/* roulang page: index */
:root {
            --color-primary: #0D3B3E;
            --color-primary-dark: #0A2F31;
            --color-primary-mid: #12504F;
            --color-accent: #C2964B;
            --color-accent-dark: #B8893A;
            --color-bg-warm: #F6F4EF;
            --color-bg-soft: #F1EEE7;
            --color-bg-sage: #E3E8E4;
            --color-text: #2B2B2B;
            --color-text-weak: #5A5A5A;
            --color-text-muted: #7A7A7A;
            --color-border: #DDD8CE;
            --color-danger: #7A3E2E;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(13, 59, 62, 0.10);
            --font-title: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 88px;
            --spacing-section-mobile: 56px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg-warm);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 15px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 16px;
            background: rgba(246, 244, 239, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-panel {
            max-width: 1240px;
            margin: 0 auto;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 10px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 16px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }

        .nav-links .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            color: var(--color-text-weak);
            background: var(--color-bg-warm);
            border: 1px solid transparent;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-links .nav-item i {
            font-size: 13px;
            color: var(--color-accent);
            transition: color 0.25s ease;
        }

        .nav-links .nav-item:hover {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }

        .nav-links .nav-item:hover i {
            color: var(--color-accent);
        }

        .nav-links .nav-item.active {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
            font-weight: 700;
        }

        .nav-links .nav-item.active i {
            color: var(--color-accent);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            border: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-cta i {
            color: var(--color-accent);
        }

        .nav-cta:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-warm);
            border: 1px solid var(--color-border);
            color: var(--color-primary);
            font-size: 22px;
            transition: all 0.25s ease;
        }

        .nav-toggle:hover {
            background: var(--color-primary);
            color: var(--color-white);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(13, 59, 62, 0.98);
            z-index: 2000;
            flex-direction: column;
            padding: 20px 16px;
            overflow-y: auto;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .mobile-nav-top .nav-logo {
            color: var(--color-white);
        }

        .mobile-nav-close {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.25s ease;
        }

        .mobile-nav-close:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .mobile-nav-links .nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            color: #E8E8E8;
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s ease;
        }

        .mobile-nav-links .nav-item i {
            color: var(--color-accent);
            width: 20px;
            text-align: center;
        }

        .mobile-nav-links .nav-item:hover {
            background: var(--color-primary-mid);
            color: var(--color-white);
        }

        .mobile-nav-links .nav-item.active {
            background: var(--color-primary-mid);
            color: var(--color-white);
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .mobile-nav-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 16px 20px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 16px;
            border-radius: var(--radius-sm);
            margin-top: 16px;
            transition: all 0.25s ease;
        }

        .mobile-nav-cta:hover {
            background: var(--color-accent-dark);
            color: var(--color-white);
        }

        /* ========== SECTIONS GENERAL ========== */
        main {
            display: block;
        }

        section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        section .container {
            position: relative;
            z-index: 2;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.4;
            color: var(--color-primary);
            letter-spacing: 0.3px;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-weak);
            max-width: 720px;
            margin-bottom: 36px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-accent-dark);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-tag i {
            font-size: 11px;
        }

        /* ========== HERO ========== */
        .hero-section {
            padding: 64px 0 72px;
            background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg-soft) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(194, 150, 75, 0.1), transparent 70%);
            pointer-events: none;
        }

        .hero-top {
            display: flex;
            align-items: flex-start;
            gap: 40px;
            margin-bottom: 40px;
        }

        .hero-text {
            flex: 1;
            max-width: 620px;
        }

        .hero-text h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.4;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .hero-text .hero-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: var(--color-text-weak);
            margin-bottom: 24px;
            max-width: 580px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            border: none;
            transition: all 0.25s ease;
        }

        .btn-primary i {
            color: var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: var(--color-accent-dark);
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--color-accent);
            transition: all 0.25s ease;
        }

        .btn-secondary i {
            color: var(--color-accent);
        }

        .btn-secondary:hover {
            background: var(--color-accent);
            color: var(--color-primary);
        }

        .hero-status-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            padding: 12px 18px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .status-dot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
        }

        .status-dot .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #2E7D32;
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }

        .hero-status-bar .divider {
            width: 1px;
            height: 24px;
            background: var(--color-border);
        }

        .hero-status-bar span {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .hero-status-bar .status-value {
            font-weight: 700;
            color: var(--color-primary);
        }

        .hero-icon-matrix {
            flex: 0 0 460px;
            max-width: 460px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }

        .hero-icon-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px 12px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            min-height: 110px;
            text-align: center;
        }

        .hero-icon-card i {
            font-size: 28px;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .hero-icon-card span {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-weak);
            line-height: 1.5;
        }

        .hero-icon-card:hover {
            background: var(--color-primary);
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .hero-icon-card:hover i {
            color: var(--color-accent);
        }

        .hero-icon-card:hover span {
            color: var(--color-white);
        }

        .hero-bottom-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 14px 20px;
            background: var(--color-primary);
            border-radius: var(--radius-md);
            color: #E8E8E8;
            margin-top: 10px;
        }

        .hero-bottom-bar .stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }

        .hero-bottom-bar .stat-item strong {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-accent);
        }

        .hero-bottom-bar .stat-item i {
            font-size: 18px;
            color: var(--color-accent);
        }

        /* ========== BRAND INTRO ========== */
        .brand-section {
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .brand-grid {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .brand-text {
            flex: 1;
            max-width: 580px;
        }

        .brand-text p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-weak);
            margin-bottom: 16px;
        }

        .brand-image {
            flex: 0 0 420px;
            max-width: 420px;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-hover);
        }

        .brand-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .brand-image .brand-image-badge {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(13, 59, 62, 0.88);
            color: var(--color-white);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.5px;
        }

        /* ========== FEATURE GRID ========== */
        .feature-section {
            background: var(--color-bg-warm);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }

        .feature-card-long {
            grid-column: span 8;
            display: flex;
            align-items: stretch;
            gap: 20px;
            padding: 28px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
        }

        .feature-card-long:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }

        .feature-card-long .feature-icon {
            flex: 0 0 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 22px;
        }

        .feature-card-long .feature-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .feature-card-long .feature-content p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-weak);
        }

        .feature-card-small {
            grid-column: span 4;
            padding: 24px;
            background: var(--color-bg-soft);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
        }

        .feature-card-small:hover {
            background: var(--color-white);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }

        .feature-card-small .feature-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 18px;
            margin-bottom: 12px;
        }

        .feature-card-small h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .feature-card-small p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--color-text-weak);
        }

        /* ========== REWARD PREVIEW ========== */
        .reward-section {
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .reward-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .reward-card {
            padding: 24px 18px;
            background: var(--color-bg-warm);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: all 0.25s ease;
            position: relative;
        }

        .reward-card:nth-child(2) {
            background: var(--color-bg-sage);
            transform: translateY(-8px);
        }

        .reward-card:nth-child(3) {
            background: var(--color-bg-soft);
        }

        .reward-card .reward-top {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .reward-card .reward-top i {
            font-size: 18px;
            color: var(--color-accent);
        }

        .reward-card .reward-top span {
            font-size: 12px;
            font-weight: 700;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
        }

        .reward-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .reward-card p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--color-text-weak);
        }

        .reward-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        /* ========== PROGRESS TIMELINE ========== */
        .progress-section {
            background: var(--color-bg-warm);
        }

        .timeline {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 40px;
            right: 40px;
            height: 2px;
            background: var(--color-border);
        }

        .timeline-step {
            flex: 1;
            min-width: 160px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .timeline-step .step-dot {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
            border: 3px solid var(--color-white);
            box-shadow: 0 0 0 2px var(--color-border);
        }

        .timeline-step h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .timeline-step p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--color-text-muted);
            max-width: 200px;
        }

        /* ========== NEWS ========== */
        .news-section {
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-list-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 18px;
            background: var(--color-bg-warm);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: all 0.25s ease;
        }

        .news-list-item:hover {
            background: var(--color-white);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }

        .news-date {
            flex: 0 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 8px 14px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            color: var(--color-white);
            min-width: 60px;
        }

        .news-date .day {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .news-date .mon {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 1px;
        }

        .news-item-content {
            flex: 1;
        }

        .news-item-content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.5;
        }

        .news-item-content p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--color-text-weak);
            margin-bottom: 6px;
        }

        .news-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-dark);
            transition: all 0.25s ease;
        }

        .news-read-more i {
            font-size: 11px;
            transition: transform 0.25s ease;
        }

        .news-read-more:hover {
            color: var(--color-primary);
        }

        .news-read-more:hover i {
            transform: translateX(4px);
        }

        .news-recommend {
            background: var(--color-bg-soft);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .news-recommend h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-recommend h3 i {
            color: var(--color-accent);
        }

        .recommend-item {
            display: flex;
            gap: 12px;
            padding: 12px;
            margin-bottom: 8px;
            background: var(--color-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            transition: all 0.25s ease;
        }

        .recommend-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .recommend-item .rec-num {
            flex: 0 0 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 800;
            font-size: 13px;
            border-radius: 50%;
        }

        .recommend-item .rec-text {
            flex: 1;
        }

        .recommend-item .rec-text strong {
            display: block;
            font-size: 14px;
            color: var(--color-primary);
            margin-bottom: 2px;
        }

        .recommend-item .rec-text span {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== SECURITY ========== */
        .security-section {
            background: var(--color-primary);
            color: #E8E8E8;
        }

        .security-section .section-title {
            color: var(--color-white);
        }

        .security-section .section-subtitle {
            color: #C0C8C4;
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .security-card {
            padding: 24px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            transition: all 0.25s ease;
            text-align: center;
        }

        .security-card i {
            font-size: 32px;
            color: var(--color-accent);
            margin-bottom: 14px;
            display: block;
        }

        .security-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 8px;
        }

        .security-card p {
            font-size: 14px;
            line-height: 1.85;
            color: #C0C8C4;
        }

        .security-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }

        /* ========== PRODUCT STAGE ========== */
        .product-stage-section {
            background: var(--color-bg-soft);
            padding: 80px 0;
        }

        .stage-frame {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 16px 48px rgba(13, 59, 62, 0.15);
            position: relative;
            background: var(--color-primary);
        }

        .stage-frame .stage-bg {
            width: 100%;
            height: 420px;
            object-fit: cover;
            opacity: 0.7;
        }

        .stage-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(13, 59, 62, 0.2) 0%, rgba(13, 59, 62, 0.85) 100%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 32px;
        }

        .stage-overlay h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 12px;
        }

        .stage-overlay p {
            font-size: 15px;
            line-height: 1.9;
            color: #D0D8D4;
            max-width: 560px;
            margin-bottom: 20px;
        }

        .stage-overlay .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
        }

        .stage-overlay .btn-primary:hover {
            background: var(--color-accent-dark);
            color: var(--color-white);
        }

        /* ========== STATS ========== */
        .stats-section {
            background: var(--color-primary-mid);
            padding: 64px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
            border-bottom: 2px solid rgba(255, 255, 255, 0.15);
        }

        .stat-item .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: 1px;
        }

        .stat-item .stat-label {
            font-size: 13px;
            font-weight: 600;
            color: #D0D8D4;
            margin-top: 6px;
            letter-spacing: 0.5px;
        }

        /* ========== VERTICAL CARDS ========== */
        .vcard-section {
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .vcard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .vcard {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            background: var(--color-bg-warm);
            transition: all 0.25s ease;
        }

        .vcard img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .vcard-body {
            padding: 18px;
        }

        .vcard-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .vcard-body p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--color-text-weak);
            margin-bottom: 10px;
        }

        .vcard-body .vcard-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-dark);
        }

        .vcard:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        /* ========== SERVICE SCOPE ========== */
        .scope-section {
            background: var(--color-bg-warm);
        }

        .scope-layout {
            display: grid;
            grid-template-columns: 260px 1fr;
            gap: 32px;
        }

        .scope-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            position: sticky;
            top: 100px;
            align-self: start;
        }

        .scope-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-weak);
            border-radius: var(--radius-sm);
            border-left: 3px solid transparent;
            transition: all 0.25s ease;
        }

        .scope-nav a i {
            font-size: 13px;
            color: var(--color-accent);
        }

        .scope-nav a:hover {
            background: var(--color-white);
            color: var(--color-primary);
            border-left-color: var(--color-accent);
        }

        .scope-content {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .scope-block {
            padding: 24px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .scope-block h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .scope-block h3 i {
            color: var(--color-accent);
        }

        .scope-block p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-weak);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-section {
            background: var(--color-bg-soft);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            padding: 24px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
        }

        .testimonial-card .stars {
            color: var(--color-accent);
            font-size: 14px;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }

        .testimonial-card p {
            font-size: 14px;
            line-height: 1.9;
            color: var(--color-text-weak);
            margin-bottom: 16px;
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
        }

        .testimonial-card .author .author-info strong {
            display: block;
            font-size: 14px;
            color: var(--color-primary);
        }

        .testimonial-card .author .author-info span {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-warm);
            transition: all 0.25s ease;
        }

        .faq-item.open {
            background: var(--color-white);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            transition: all 0.25s ease;
        }

        .faq-question .faq-num {
            flex: 0 0 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 800;
            border-radius: 50%;
        }

        .faq-question .faq-icon {
            margin-left: auto;
            font-size: 14px;
            color: var(--color-accent);
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.9;
            color: var(--color-text-weak);
        }

        /* ========== SELECTED TOPICS ========== */
        .topics-section {
            background: var(--color-bg-warm);
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }

        .topic-card {
            grid-column: span 2;
            padding: 24px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .topic-card:nth-child(1) {
            grid-column: span 3;
        }

        .topic-card:nth-child(2) {
            grid-column: span 3;
        }

        .topic-card i {
            font-size: 24px;
            color: var(--color-accent);
        }

        .topic-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
        }

        .topic-card p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--color-text-weak);
        }

        .topic-card .topic-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
            transform: translateY(-2px);
        }

        /* ========== CTA / FORM ========== */
        .cta-section {
            background: var(--color-primary);
            padding: 72px 0;
            color: #E8E8E8;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-info p {
            font-size: 15px;
            line-height: 1.9;
            color: #C0C8C4;
            margin-bottom: 20px;
            max-width: 480px;
        }

        .cta-points {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cta-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #D0D8D4;
        }

        .cta-points li i {
            color: var(--color-accent);
        }

        .cta-form {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-hover);
        }

        .cta-form h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-weak);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: var(--color-bg-warm);
            transition: all 0.25s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            background: var(--color-white);
            outline: 2px solid var(--color-accent);
            outline-offset: 0;
        }

        .cta-form .btn-primary {
            width: 100%;
            justify-content: center;
            margin-top: 6px;
        }

        .privacy-note {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 10px;
            text-align: center;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A2F31;
            color: #C0C8C4;
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.9;
            color: #A0A8A4;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: #C0C8C4;
            transition: all 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #A0A8A4;
        }

        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .footer-bottom .footer-links a {
            font-size: 12px;
            color: #A0A8A4;
            transition: color 0.25s ease;
        }

        .footer-bottom .footer-links a:hover {
            color: var(--color-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1280px) {
            .container {
                max-width: 100%;
                padding-left: 20px;
                padding-right: 20px;
            }
            .hero-icon-matrix {
                flex-basis: 400px;
                max-width: 400px;
            }
        }

        @media (max-width: 1024px) {
            .nav-panel {
                flex-wrap: wrap;
                gap: 10px;
            }
            .nav-links {
                order: 3;
                flex-basis: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                padding-bottom: 4px;
                -webkit-overflow-scrolling: touch;
            }
            .nav-links .nav-item {
                font-size: 13px;
                padding: 6px 10px;
                white-space: nowrap;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .hero-top {
                flex-direction: column;
                gap: 28px;
            }
            .hero-icon-matrix {
                flex-basis: auto;
                max-width: 100%;
                width: 100%;
                grid-template-columns: repeat(6, 1fr);
            }
            .hero-icon-card {
                min-height: 80px;
                padding: 12px;
            }
            .hero-icon-card i {
                font-size: 20px;
                margin-bottom: 6px;
            }
            .brand-grid {
                flex-direction: column;
                gap: 24px;
            }
            .brand-image {
                flex-basis: auto;
                max-width: 100%;
                width: 100%;
            }
            .feature-card-long {
                grid-column: span 12;
            }
            .feature-card-small {
                grid-column: span 6;
            }
            .reward-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reward-card:nth-child(2) {
                transform: translateY(0);
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .vcard-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scope-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .scope-nav {
                flex-direction: row;
                flex-wrap: wrap;
                position: static;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-card:nth-child(1),
            .topic-card:nth-child(2) {
                grid-column: span 2;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
            }
            .nav-panel {
                padding: 8px 12px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.open {
                display: flex;
            }
            .hero-section {
                padding: 40px 0 56px;
            }
            .hero-text h1 {
                font-size: 30px;
            }
            .hero-text .hero-subtitle {
                font-size: 15px;
            }
            .hero-icon-matrix {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .hero-icon-card {
                min-height: 70px;
                padding: 8px;
            }
            .hero-icon-card i {
                font-size: 18px;
                margin-bottom: 4px;
            }
            .hero-icon-card span {
                font-size: 11px;
            }
            .hero-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .section-title {
                font-size: 22px;
            }
            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px;
            }
            .news-date {
                flex-direction: row;
                gap: 8px;
                align-items: center;
            }
            .feature-card-small {
                grid-column: span 12;
            }
            .reward-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .security-card {
                text-align: left;
                display: flex;
                gap: 14px;
                align-items: flex-start;
            }
            .security-card i {
                font-size: 24px;
                margin-bottom: 0;
                flex: 0 0 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .vcard-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .topic-card:nth-child(1),
            .topic-card:nth-child(2) {
                grid-column: span 1;
            }
            .timeline {
                flex-direction: column;
                gap: 0;
            }
            .timeline::before {
                display: none;
            }
            .timeline-step {
                flex-direction: row;
                align-items: flex-start;
                text-align: left;
                gap: 14px;
                min-width: 100%;
                padding: 10px 0;
            }
            .timeline-step .step-dot {
                width: 44px;
                height: 44px;
                font-size: 16px;
                flex: 0 0 44px;
            }
            .timeline-step p {
                max-width: 100%;
            }
            .cta-form {
                padding: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .stage-frame .stage-bg {
                height: 260px;
            }
            .stage-overlay h2 {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-section {
                padding: 32px 0 44px;
            }
            .hero-text h1 {
                font-size: 25px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-secondary {
                justify-content: center;
                width: 100%;
            }
            .hero-icon-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-icon-card {
                min-height: 60px;
            }
            .hero-icon-card i {
                font-size: 16px;
            }
            .reward-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-item .stat-number {
                font-size: 28px;
            }
            .vcard-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 20px;
            }
            .section-subtitle {
                font-size: 14px;
            }
            .news-item-content h3 {
                font-size: 15px;
            }
            .cta-info h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 375px) {
            .hero-text h1 {
                font-size: 21px;
            }
            .hero-text .hero-subtitle {
                font-size: 14px;
                line-height: 1.8;
            }
            .nav-logo {
                font-size: 15px;
            }
            .hero-icon-matrix {
                gap: 6px;
            }
            .hero-icon-card {
                padding: 6px;
                min-height: 50px;
            }
            .hero-icon-card span {
                font-size: 10px;
                line-height: 1.4;
            }
        }

/* 新增 section 专属样式，保留与全站一致性 */
        .case-section, .solution-section, .faq-section, .contact-section {
            padding: 80px 0;
        }
        .case-section {
            background: #FFFFFF;
        }
        .solution-section {
            background: #F1EEE7;
        }
        .faq-section {
            background: #F6F4EF;
        }
        .contact-section {
            background: #0D3B3E;
            color: #FFFFFF;
        }
        .case-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-top: 32px;
        }
        .case-card {
            display: flex;
            flex-direction: column;
            background: #FFFFFF;
            border: 1px solid #DDD8CE;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
            overflow: hidden;
        }
        .case-card.reverse .case-img {
            order: 2;
        }
        .case-card.reverse .case-text {
            order: 1;
        }
        .case-img {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #E3E8E4;
        }
        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .case-text {
            padding: 24px;
            flex: 1;
        }
        .case-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: #0D3B3E;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .case-text p {
            font-size: 15px;
            line-height: 1.8;
            color: #4A4A4A;
            margin-bottom: 16px;
        }
        .solution-block {
            background: #FFFFFF;
            border-left: 4px solid #C2964B;
            padding: 32px;
            margin-bottom: 24px;
            border-radius: 0 8px 8px 0;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }
        .solution-block h3 {
            font-size: 22px;
            font-weight: 700;
            color: #0D3B3E;
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .solution-block p {
            font-size: 15px;
            line-height: 1.9;
            color: #333333;
            margin-bottom: 16px;
            max-width: 760px;
        }
        .faq-list {
            margin-top: 32px;
            max-width: 860px;
        }
        .faq-item {
            border: 1px solid #DDD8CE;
            border-radius: 8px;
            margin-bottom: 12px;
            background: #FFFFFF;
            overflow: hidden;
        }
        .faq-question {
            display: flex;
            align-items: center;
            width: 100%;
            padding: 16px 20px;
            background: #FFFFFF;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: #0D3B3E;
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: background 0.2s;
        }
        .faq-question:hover {
            background: #F6F4EF;
        }
        .faq-question span {
            color: #C2964B;
            font-weight: 700;
        }
        .faq-question i {
            margin-left: auto;
            transition: transform 0.2s;
        }
        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding: 0 20px 20px 52px;
            font-size: 15px;
            line-height: 1.8;
            color: #4A4A4A;
        }
        .contact-card {
            display: flex;
            flex-direction: column;
            background: #12504F;
            border-radius: 8px;
            padding: 40px;
            gap: 32px;
        }
        .contact-left h2 {
            color: #FFFFFF;
            font-size: 28px;
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .contact-left p {
            font-size: 15px;
            line-height: 1.8;
            color: #E3E8E4;
            margin-bottom: 24px;
        }
        .contact-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .contact-form {
            background: #FFFFFF;
            padding: 28px;
            border-radius: 8px;
            color: #333333;
        }
        .form-field {
            margin-bottom: 16px;
        }
        .form-field label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: #0D3B3E;
            margin-bottom: 8px;
        }
        .form-field input,
        .form-field select,
        .form-field textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #DDD8CE;
            border-radius: 6px;
            font-size: 15px;
            color: #333333;
            background: #F6F4EF;
            outline: none;
            transition: border-color 0.2s;
        }
        .form-field input:focus,
        .form-field select:focus,
        .form-field textarea:focus {
            border-color: #0D3B3E;
        }
        .form-submit {
            width: 100%;
            margin-top: 8px;
            padding: 14px;
            font-size: 16px;
        }
        .privacy-note {
            margin-top: 12px;
            font-size: 13px;
            color: #777777;
            line-height: 1.6;
        }
        @media (min-width: 768px) {
            .case-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px 32px;
            }
            .case-card {
                flex-direction: row;
                align-items: stretch;
            }
            .case-card.reverse {
                flex-direction: row-reverse;
            }
            .case-img {
                width: 40%;
                height: auto;
                min-height: 220px;
            }
            .case-text {
                width: 60%;
            }
            .contact-card {
                flex-direction: row;
                align-items: flex-start;
            }
            .contact-left {
                flex: 1;
            }
            .contact-form {
                flex: 1;
            }
        }
        @media (max-width: 767px) {
            .case-section, .solution-section, .faq-section, .contact-section {
                padding: 48px 0;
            }
            .solution-block {
                padding: 24px;
            }
            .faq-answer p {
                padding-left: 16px;
                padding-right: 16px;
            }
            .contact-card {
                padding: 24px 20px;
            }
            .contact-form {
                padding: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0D3B3E;
            --color-primary-dark: #0A2F31;
            --color-primary-mid: #12504F;
            --color-accent: #C2964B;
            --color-accent-dark: #B8893A;
            --color-bg-warm: #F6F4EF;
            --color-bg-soft: #F1EEE7;
            --color-bg-sage: #E3E8E4;
            --color-text: #2B2B2B;
            --color-text-weak: #5A5A5A;
            --color-text-muted: #7A7A7A;
            --color-border: #DDD8CE;
            --color-danger: #7A3E2E;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(13, 59, 62, 0.10);
            --font-title: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 88px;
            --spacing-section-mobile: 56px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg-warm);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 15px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 16px;
            background: rgba(246, 244, 239, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-panel {
            max-width: 1240px;
            margin: 0 auto;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 10px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 16px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }

        .nav-links .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            color: var(--color-text-weak);
            background: var(--color-bg-warm);
            border: 1px solid transparent;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-links .nav-item i {
            font-size: 13px;
            color: var(--color-accent);
            transition: color 0.25s ease;
        }

        .nav-links .nav-item:hover {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }

        .nav-links .nav-item:hover i {
            color: var(--color-accent);
        }

        .nav-links .nav-item.active {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
            font-weight: 700;
        }

        .nav-links .nav-item.active i {
            color: var(--color-accent);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            border: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-cta i {
            color: var(--color-accent);
        }

        .nav-cta:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-warm);
            color: var(--color-primary);
            font-size: 20px;
            border: 1px solid var(--color-border);
            transition: all 0.25s ease;
        }

        .nav-toggle:hover {
            background: var(--color-primary);
            color: var(--color-white);
        }

        /* ========== MOBILE NAV DRAWER ========== */
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 82%;
            max-width: 360px;
            background: var(--color-white);
            border-left: 1px solid var(--color-border);
            z-index: 1001;
            padding: 20px;
            overflow-y: auto;
            box-shadow: -8px 0 28px rgba(0,0,0,0.12);
            transition: transform 0.35s ease;
            transform: translateX(100%);
        }

        .mobile-nav-drawer.open {
            transform: translateX(0);
        }

        .mobile-nav-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
        }

        .mobile-nav-drawer-header .nav-logo {
            font-size: 18px;
        }

        .mobile-nav-close {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-warm);
            color: var(--color-text);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border);
        }

        .mobile-nav-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            background: var(--color-bg-warm);
            border: 1px solid transparent;
            font-weight: 500;
            color: var(--color-text-weak);
        }

        .mobile-nav-list a i {
            color: var(--color-accent);
            width: 20px;
            text-align: center;
        }

        .mobile-nav-list a.active {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
            font-weight: 700;
        }

        .mobile-nav-list a.active i {
            color: var(--color-accent);
        }

        .mobile-nav-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 20px;
            padding: 14px 20px;
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            border-radius: var(--radius-md);
        }

        .mobile-nav-cta i {
            color: var(--color-accent);
        }

        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            z-index: 1000;
        }

        .nav-overlay.visible {
            display: block;
        }

        /* ========== HERO ========== */
        .guide-hero {
            padding: 48px 0 40px;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .guide-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            width: 38%;
            background-image: linear-gradient(rgba(13,59,62,0.85), rgba(13,59,62,0.85)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
        }

        .guide-hero .container {
            position: relative;
            z-index: 2;
        }

        .guide-hero-inner {
            max-width: 760px;
        }

        .guide-hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: var(--color-bg-sage);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 30px;
            margin-bottom: 18px;
        }

        .guide-hero-label i {
            color: var(--color-accent);
        }

        .guide-hero h1 {
            font-family: var(--font-title);
            font-size: 36px;
            line-height: 1.35;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .guide-hero p {
            font-size: 17px;
            color: var(--color-text-weak);
            max-width: 680px;
            margin-bottom: 20px;
        }

        .guide-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .guide-hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .guide-hero-meta i {
            color: var(--color-accent);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--color-bg-soft);
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
            font-size: 14px;
            color: var(--color-text-muted);
        }

        .breadcrumb-bar .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-bar a {
            color: var(--color-primary);
            font-weight: 500;
        }

        .breadcrumb-bar a:hover {
            color: var(--color-accent-dark);
        }

        .breadcrumb-bar i {
            font-size: 11px;
            color: var(--color-text-muted);
        }

        .breadcrumb-bar .current {
            color: var(--color-text-weak);
        }

        /* ========== CONTENT LAYOUT ========== */
        .guide-main {
            padding: 56px 0 72px;
            background: var(--color-bg-warm);
        }

        .guide-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 32px;
            align-items: start;
        }

        /* ========== SIDEBAR ========== */
        .guide-sidebar {
            position: sticky;
            top: 100px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .guide-sidebar h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .guide-sidebar h3 i {
            color: var(--color-accent);
        }

        .sidebar-filter-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin: 16px 0 8px;
        }

        .sidebar-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .sidebar-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-weak);
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }

        .sidebar-list li a i {
            font-size: 13px;
            color: var(--color-accent);
            width: 18px;
            text-align: center;
        }

        .sidebar-list li a:hover {
            background: var(--color-bg-sage);
            color: var(--color-primary);
            border-color: var(--color-border);
        }

        .sidebar-list li a.active {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
            font-weight: 600;
        }

        .sidebar-list li a.active i {
            color: var(--color-accent);
        }

        .sidebar-note {
            margin-top: 18px;
            padding: 14px;
            background: var(--color-bg-soft);
            border-radius: var(--radius-md);
            font-size: 13px;
            color: var(--color-text-weak);
            line-height: 1.7;
            border-left: 3px solid var(--color-accent);
        }

        .sidebar-note strong {
            color: var(--color-primary);
        }

        /* ========== MAIN CONTENT ENTRIES ========== */
        .guide-content {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .guide-entry {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease;
        }

        .guide-entry:hover {
            box-shadow: var(--shadow-hover);
        }

        .guide-entry-header {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .guide-entry-number {
            flex-shrink: 0;
            width: 46px;
            height: 46px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .guide-entry-titles {
            flex: 1;
            min-width: 200px;
        }

        .guide-entry-titles h2 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .guide-entry-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tab-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            background: var(--color-bg-sage);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 30px;
        }

        .tab-badge i {
            color: var(--color-accent);
            font-size: 11px;
        }

        .guide-entry-body {
            padding-left: 62px;
        }

        .guide-entry-body p {
            font-size: 15px;
            color: var(--color-text-weak);
            margin-bottom: 14px;
            line-height: 1.9;
        }

        .entry-inline-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 12px;
            margin: 16px 0;
        }

        .inline-step {
            background: var(--color-bg-soft);
            border-radius: var(--radius-md);
            padding: 14px;
            border-left: 3px solid var(--color-accent);
        }

        .inline-step h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .inline-step h4 i {
            color: var(--color-accent);
            font-size: 12px;
        }

        .inline-step p {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        .guide-entry-note {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 14px 16px;
            background: #FDF9F0;
            border: 1px solid #E8DCC4;
            border-radius: var(--radius-md);
            font-size: 14px;
            color: var(--color-text-weak);
            margin-top: 14px;
        }

        .guide-entry-note i {
            color: var(--color-accent-dark);
            margin-top: 3px;
        }

        .guide-entry-note strong {
            color: var(--color-primary);
        }

        /* ========== QUICK ACCESS PANELS ========== */
        .quick-access-section {
            padding: 64px 0;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .quick-access-section::after {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(194, 150, 75, 0.08);
            pointer-events: none;
        }

        .quick-access-section::before {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -30px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255,255,255,0.03);
            pointer-events: none;
        }

        .quick-access-section .container {
            position: relative;
            z-index: 2;
        }

        .quick-access-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .quick-access-header h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 10px;
        }

        .quick-access-header p {
            font-size: 15px;
            color: rgba(255,255,255,0.75);
        }

        .quick-access-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .qa-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            transition: all 0.3s ease;
            color: var(--color-white);
        }

        .qa-card:hover {
            background: rgba(255,255,255,0.12);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }

        .qa-card i {
            font-size: 26px;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .qa-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-white);
        }

        .qa-card p {
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== SECURITY NOTICE ========== */
        .security-notice-section {
            padding: 64px 0;
            background: var(--color-white);
        }

        .security-notice-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .security-notice-text h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .security-notice-text p {
            font-size: 15px;
            color: var(--color-text-weak);
            margin-bottom: 14px;
            line-height: 1.9;
        }

        .security-check-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 18px;
        }

        .security-check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-weak);
        }

        .security-check-list li i {
            color: var(--color-primary-mid);
            margin-top: 4px;
        }

        .security-visual-card {
            background: var(--color-bg-soft);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .security-visual-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .security-visual-card h3 i {
            color: var(--color-accent);
        }

        .security-visual-card .metric-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 14px;
            color: var(--color-text-weak);
        }

        .security-visual-card .metric-row:last-child {
            border-bottom: none;
        }

        .security-visual-card .metric-value {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 16px;
        }

        .security-visual-card .metric-status {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: var(--color-primary-mid);
            background: var(--color-bg-sage);
            padding: 3px 10px;
            border-radius: 30px;
            font-weight: 600;
        }

        /* ========== FLOW STEPS ========== */
        .flow-section {
            padding: 64px 0;
            background: var(--color-bg-warm);
        }

        .flow-section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .flow-section-header h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .flow-section-header p {
            font-size: 15px;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .flow-step {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 26px 20px;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all 0.3s ease;
        }

        .flow-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }

        .flow-step-number {
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 42px;
            font-weight: 800;
            color: rgba(13,59,62,0.08);
            line-height: 1;
            letter-spacing: -2px;
        }

        .flow-step i {
            font-size: 24px;
            color: var(--color-accent);
            margin-bottom: 14px;
        }

        .flow-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .flow-step p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== DEEP TEXT SECTION ========== */
        .deep-text-section {
            padding: 64px 0;
            background: var(--color-white);
        }

        .deep-text-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .deep-text-col h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-text-col p {
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.95;
            margin-bottom: 16px;
        }

        .deep-text-col blockquote {
            border-left: 3px solid var(--color-accent);
            padding: 14px 20px;
            background: var(--color-bg-soft);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 14px;
            color: var(--color-text-weak);
            font-style: italic;
            margin: 16px 0;
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: 64px 0;
            background: var(--color-bg-warm);
        }

        .faq-section-header {
            text-align: center;
            margin-bottom: 32px;
        }

        .faq-section-header h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .faq-section-header p {
            font-size: 15px;
            color: var(--color-text-muted);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            cursor: pointer;
            gap: 16px;
            transition: all 0.25s ease;
            text-align: left;
            width: 100%;
        }

        .faq-question:hover {
            background: var(--color-bg-sage);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-sage);
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: var(--color-accent);
        }

        .faq-answer {
            display: none;
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.9;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question {
            background: var(--color-bg-soft);
            border-bottom: 1px solid var(--color-border);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 56px 0;
            background: var(--color-white);
        }

        .cta-panel {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-hover);
        }

        .cta-panel h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .cta-panel p {
            font-size: 15px;
            color: rgba(255,255,255,0.75);
            margin-bottom: 0;
            max-width: 520px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .cta-btn-primary {
            background: var(--color-accent);
            color: var(--color-primary-dark);
        }

        .cta-btn-primary:hover {
            background: var(--color-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0,0,0,0.2);
        }

        .cta-btn-outline {
            background: transparent;
            color: var(--color-white);
            border: 1px solid rgba(255,255,255,0.35);
        }

        .cta-btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255,255,255,0.75);
            padding: 56px 0 24px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--color-white);
            margin-bottom: 14px;
        }

        .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-primary-dark);
            font-size: 16px;
        }

        .footer-brand-col p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255,255,255,0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255,255,255,0.7);
            font-size: 13px;
            transition: all 0.25s ease;
        }

        .footer-col ul li a i {
            font-size: 11px;
            color: var(--color-accent);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-meta-list li a i {
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255,255,255,0.55);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.7);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .guide-layout {
                grid-template-columns: 1fr;
            }

            .guide-sidebar {
                position: static;
            }

            .quick-access-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
            }

            .nav-links {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .guide-hero {
                padding: 32px 0 28px;
            }

            .guide-hero::before {
                width: 100%;
                clip-path: none;
                opacity: 0.35;
            }

            .guide-hero h1 {
                font-size: 28px;
            }

            .guide-hero p {
                font-size: 15px;
            }

            .guide-entry {
                padding: 20px;
            }

            .guide-entry-body {
                padding-left: 0;
                margin-top: 12px;
            }

            .guide-entry-number {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }

            .guide-entry-titles h2 {
                font-size: 19px;
            }

            .entry-inline-steps {
                grid-template-columns: 1fr;
            }

            .security-notice-grid {
                grid-template-columns: 1fr;
            }

            .deep-text-grid {
                grid-template-columns: 1fr;
            }

            .cta-panel {
                padding: 28px 24px;
            }

            .cta-panel h2 {
                font-size: 22px;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .cta-btn {
                justify-content: center;
            }

            .guide-main {
                padding: 32px 0 48px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 480px) {
            .quick-access-grid {
                grid-template-columns: 1fr;
            }

            .flow-grid {
                grid-template-columns: 1fr;
            }

            .guide-hero h1 {
                font-size: 24px;
            }

            .guide-hero p {
                font-size: 14px;
            }

            .guide-hero-meta {
                flex-direction: column;
                gap: 8px;
            }

            .entry-inline-steps {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0D3B3E;
            --color-primary-dark: #0A2F31;
            --color-primary-mid: #12504F;
            --color-accent: #C2964B;
            --color-accent-dark: #B8893A;
            --color-bg-warm: #F6F4EF;
            --color-bg-soft: #F1EEE7;
            --color-bg-sage: #E3E8E4;
            --color-text: #2B2B2B;
            --color-text-weak: #5A5A5A;
            --color-text-muted: #7A7A7A;
            --color-border: #DDD8CE;
            --color-danger: #7A3E2E;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(13, 59, 62, 0.10);
            --font-title: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 88px;
            --spacing-section-mobile: 56px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg-warm);
            overflow-x: hidden;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 15px;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 16px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-weak);
            line-height: 1.8;
            max-width: 760px;
            margin-bottom: 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            color: var(--color-white);
        }
        .btn-accent {
            background: transparent;
            color: var(--color-accent-dark);
            border-color: var(--color-accent);
        }
        .btn-accent:hover {
            background: var(--color-accent);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-light {
            background: var(--color-white);
            color: var(--color-primary);
            border-color: var(--color-white);
        }
        .btn-light:hover {
            background: var(--color-bg-warm);
            border-color: var(--color-bg-warm);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 14px;
            padding: 6px 0;
            border-bottom: 2px solid var(--color-accent);
            border-radius: 0;
            transition: all 0.25s ease;
        }
        .btn-text:hover {
            color: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
        }
        .btn-text i {
            transition: transform 0.25s ease;
        }
        .btn-text:hover i {
            transform: translateX(4px);
        }
        .card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .badge-accent {
            background: #F0E4D0;
            color: var(--color-accent-dark);
        }
        .badge-primary {
            background: #D7E0DE;
            color: var(--color-primary);
        }
        .badge-danger {
            background: #EDDDD6;
            color: var(--color-danger);
        }
        .divider {
            height: 1px;
            background: var(--color-border);
            margin: 24px 0;
        }
        .divider-accent {
            height: 3px;
            width: 60px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 12px 0 20px;
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 16px;
            background: rgba(246, 244, 239, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .nav-panel {
            max-width: 1240px;
            margin: 0 auto;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 10px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 16px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }
        .nav-links .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            color: var(--color-text-weak);
            background: var(--color-bg-warm);
            border: 1px solid transparent;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-links .nav-item i {
            font-size: 13px;
            color: var(--color-accent);
            transition: color 0.25s ease;
        }
        .nav-links .nav-item:hover {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }
        .nav-links .nav-item:hover i {
            color: var(--color-accent);
        }
        .nav-links .nav-item.active {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
            font-weight: 700;
        }
        .nav-links .nav-item.active i {
            color: var(--color-accent);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            border: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-cta i {
            color: var(--color-accent);
        }
        .nav-cta:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
            color: var(--color-white);
        }
        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: var(--color-white);
            font-size: 20px;
            border: none;
        }
        /* ========== COMPACT HERO ========== */
        .compact-hero {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 60%, #1A5755 100%);
            padding: 64px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .compact-hero::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(194, 150, 75, 0.15);
            pointer-events: none;
        }
        .compact-hero::before {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }
        .compact-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .compact-hero-content {
            flex: 1;
            min-width: 280px;
        }
        .compact-hero h1 {
            font-family: var(--font-title);
            font-size: 34px;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .compact-hero h1 .highlight {
            color: var(--color-accent);
        }
        .compact-hero p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 0;
        }
        .compact-hero-meta {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            backdrop-filter: blur(8px);
        }
        .compact-hero-meta-item {
            text-align: center;
        }
        .compact-hero-meta-item .number {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1.2;
        }
        .compact-hero-meta-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            white-space: nowrap;
        }
        /* ========== SERVICE PANEL ========== */
        .service-panel {
            background: var(--color-bg-warm);
        }
        .service-panel-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }
        .service-panel-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .service-panel-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .service-panel-card .icon-box {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--color-bg-sage);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
        }
        .service-panel-card h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .service-panel-card p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin-bottom: 0;
        }
        /* ========== DEEP CONTENT SECTION ========== */
        .deep-full {
            background: var(--color-white);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .deep-full .content-block {
            max-width: 860px;
        }
        .deep-full .content-block p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text);
            margin-bottom: 1.2em;
        }
        .deep-full .content-block h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 28px 0 12px;
        }
        .deep-split {
            background: var(--color-bg-warm);
        }
        .deep-split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-split-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .deep-split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .deep-split-text h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .deep-split-text p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text);
            margin-bottom: 1.2em;
        }
        /* ========== INFO LIST ========== */
        .info-list-section {
            background: var(--color-bg-sage);
        }
        .info-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .info-list li {
            background: var(--color-white);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            transition: all 0.25s ease;
        }
        .info-list li:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .info-list li i {
            color: var(--color-accent);
            font-size: 16px;
            width: 20px;
            text-align: center;
        }
        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg-warm);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all 0.25s ease;
        }
        .faq-item:hover {
            border-color: var(--color-accent);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            cursor: pointer;
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }
        .faq-question .faq-icon {
            font-size: 18px;
            color: var(--color-accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-weak);
        }
        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(194, 150, 75, 0.12);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.75;
            margin-bottom: 24px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 24px;
            font-size: 14px;
        }
        .site-footer .container {
            max-width: 1240px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-col p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.75;
            margin-top: 12px;
            max-width: 300px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--color-white);
            letter-spacing: 0.5px;
        }
        .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-primary-dark);
            font-size: 16px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color 0.25s ease;
        }
        .footer-col ul li a i {
            font-size: 12px;
            color: var(--color-accent);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.25s ease;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        /* ========== MOBILE MENU ========== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(13, 59, 62, 0.97);
            z-index: 2000;
            padding: 48px 24px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu-close {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 28px;
            color: var(--color-white);
            background: none;
            border: none;
        }
        .mobile-menu-nav {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 24px;
        }
        .mobile-menu-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            color: var(--color-white);
            font-size: 16px;
            font-weight: 500;
            transition: all 0.25s ease;
        }
        .mobile-menu-nav a i {
            color: var(--color-accent);
            font-size: 18px;
        }
        .mobile-menu-nav a:hover,
        .mobile-menu-nav a.active {
            background: var(--color-accent);
            color: var(--color-primary-dark);
            border-color: var(--color-accent);
        }
        .mobile-menu-nav a:hover i,
        .mobile-menu-nav a.active i {
            color: var(--color-primary-dark);
        }
        .mobile-menu-cta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 16px 20px;
            background: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 700;
            font-size: 16px;
            border-radius: var(--radius-sm);
            margin-top: 16px;
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links .nav-item {
                padding: 6px 10px;
                font-size: 13px;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .deep-split-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-split-image img {
                min-height: 260px;
            }
            .info-list {
                grid-template-columns: 1fr;
            }
            .service-panel-grid {
                grid-template-columns: repeat(6, 1fr);
            }
            .service-panel-card.wide {
                grid-column: span 6;
            }
            .service-panel-card:not(.wide) {
                grid-column: span 3;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-panel {
                flex-wrap: nowrap;
            }
            .compact-hero .container {
                flex-direction: column;
                gap: 16px;
            }
            .compact-hero h1 {
                font-size: 26px;
            }
            .compact-hero-meta {
                width: 100%;
                justify-content: space-around;
                padding: 12px 16px;
            }
            .compact-hero-meta-item .number {
                font-size: 22px;
            }
            .service-panel-grid {
                grid-template-columns: 1fr;
            }
            .service-panel-card.wide,
            .service-panel-card:not(.wide) {
                grid-column: span 1;
            }
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-title {
                font-size: 22px;
            }
            .deep-split-text h3 {
                font-size: 19px;
            }
            .deep-split-image img {
                min-height: 200px;
            }
            .cta-content h2 {
                font-size: 22px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .compact-hero {
                padding: 40px 0 32px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-panel {
                padding: 8px 12px;
            }
            .nav-logo {
                font-size: 17px;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .compact-hero h1 {
                font-size: 22px;
            }
            .compact-hero p {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .card {
                padding: 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-answer p {
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
        --color-primary: #0D3B3E;
        --color-primary-dark: #0A2F31;
        --color-primary-mid: #12504F;
        --color-accent: #C2964B;
        --color-accent-dark: #B8893A;
        --color-bg-warm: #F6F4EF;
        --color-bg-soft: #F1EEE7;
        --color-bg-sage: #E3E8E4;
        --color-text: #2B2B2B;
        --color-text-weak: #5A5A5A;
        --color-text-muted: #7A7A7A;
        --color-border: #DDD8CE;
        --color-danger: #7A3E2E;
        --color-white: #FFFFFF;
        --radius-sm: 6px;
        --radius-md: 8px;
        --radius-lg: 12px;
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
        --shadow-hover: 0 8px 24px rgba(13, 59, 62, 0.10);
        --font-title: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        --spacing-section: 88px;
        --spacing-section-mobile: 56px;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.85;
        color: var(--color-text);
        background-color: var(--color-bg-warm);
        overflow-x: hidden;
        margin: 0;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        text-decoration: none;
        color: inherit;
        transition: color 0.25s ease;
    }

    button,
    input,
    textarea,
    select {
        font-family: var(--font-body);
        font-size: 15px;
    }

    button {
        cursor: pointer;
        border: none;
        background: none;
    }

    button:focus,
    a:focus,
    input:focus,
    textarea:focus,
    select:focus {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }

    .container {
        max-width: 1240px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    /* ========== HEADER / NAV ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 12px 16px;
        background: rgba(246, 244, 239, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }

    .nav-panel {
        max-width: 1240px;
        margin: 0 auto;
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        padding: 10px 18px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }

    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 20px;
        color: var(--color-primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .nav-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: var(--color-primary);
        color: var(--color-accent);
        font-size: 16px;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
        flex: 1;
        justify-content: center;
    }

    .nav-links .nav-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 500;
        border-radius: var(--radius-sm);
        color: var(--color-text-weak);
        background: var(--color-bg-warm);
        border: 1px solid transparent;
        transition: all 0.25s ease;
        white-space: nowrap;
    }

    .nav-links .nav-item i {
        font-size: 13px;
        color: var(--color-accent);
        transition: color 0.25s ease;
    }

    .nav-links .nav-item:hover {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
    }

    .nav-links .nav-item:hover i {
        color: var(--color-accent);
    }

    .nav-links .nav-item.active {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
        font-weight: 700;
    }

    .nav-links .nav-item.active i {
        color: var(--color-accent);
    }

    .nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 20px;
        background: var(--color-primary);
        color: var(--color-white);
        font-weight: 700;
        font-size: 14px;
        border-radius: var(--radius-sm);
        border: none;
        transition: all 0.25s ease;
        white-space: nowrap;
    }

    .nav-cta i {
        color: var(--color-accent);
    }

    .nav-cta:hover {
        background: var(--color-primary-dark);
        transform: translateY(-1px);
        box-shadow: var(--shadow-hover);
    }

    .nav-toggle {
        display: none;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
        background: var(--color-primary);
        color: var(--color-white);
        font-size: 20px;
        border: none;
    }

    .nav-toggle:hover {
        background: var(--color-primary-dark);
    }

    /* ========== HERO (compact, ≤360px) ========== */
    .page-hero-compact {
        position: relative;
        background: linear-gradient(135deg, #0D3B3E 0%, #12504F 55%, #1C5C5A 100%);
        color: var(--color-white);
        padding: 44px 0 48px;
        overflow: hidden;
        border-bottom: 4px solid var(--color-accent);
    }

    .page-hero-compact::after {
        content: "";
        position: absolute;
        right: -120px;
        top: -80px;
        width: 360px;
        height: 360px;
        border-radius: 50%;
        background: rgba(194, 150, 75, 0.12);
        pointer-events: none;
    }

    .page-hero-compact::before {
        content: "";
        position: absolute;
        left: -100px;
        bottom: -140px;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.03);
        pointer-events: none;
    }

    .hero-compact-inner {
        position: relative;
        z-index: 1;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        flex-wrap: wrap;
    }

    .hero-compact-copy {
        flex: 1 1 520px;
        max-width: 680px;
    }

    .hero-compact-copy h1 {
        font-family: var(--font-title);
        font-size: 34px;
        font-weight: 800;
        line-height: 1.35;
        margin: 0 0 12px;
        color: var(--color-white);
    }

    .hero-compact-copy h1 .accent {
        color: var(--color-accent);
    }

    .hero-compact-copy p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.82);
        line-height: 1.75;
        margin: 0 0 18px;
        max-width: 620px;
    }

    .hero-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .hero-tags span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        padding: 6px 12px;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(194, 150, 75, 0.4);
        border-radius: 20px;
        color: rgba(255, 255, 255, 0.85);
    }

    .hero-tags span i {
        color: var(--color-accent);
        font-size: 12px;
    }

    .hero-compact-visual {
        flex: 0 0 260px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(194, 150, 75, 0.35);
        border-radius: var(--radius-lg);
        padding: 20px;
        text-align: center;
    }

    .hero-compact-visual .shield-number {
        font-size: 56px;
        font-weight: 800;
        color: var(--color-accent);
        line-height: 1;
        margin-bottom: 8px;
        font-family: var(--font-title);
    }

    .hero-compact-visual p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.75);
        margin: 0;
    }

    /* ========== SECTION COMMON ========== */
    .section {
        padding: var(--spacing-section) 0;
    }

    .section-alt {
        background: var(--color-bg-soft);
    }

    .section-dark {
        background: var(--color-primary);
        color: var(--color-white);
    }

    .section-sage {
        background: var(--color-bg-sage);
    }

    .section-header {
        margin-bottom: 36px;
    }

    .section-header .section-eyebrow {
        display: inline-block;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 1px;
        color: var(--color-accent-dark);
        text-transform: uppercase;
        margin-bottom: 8px;
    }

    .section-header h2 {
        font-family: var(--font-title);
        font-size: 26px;
        font-weight: 800;
        line-height: 1.4;
        margin: 0 0 12px;
        color: var(--color-primary);
    }

    .section-header .section-desc {
        font-size: 15px;
        color: var(--color-text-weak);
        max-width: 680px;
        line-height: 1.8;
        margin: 0;
    }

    .section-dark .section-header h2 {
        color: var(--color-white);
    }

    .section-dark .section-header .section-desc {
        color: rgba(255, 255, 255, 0.7);
    }

    .section-dark .section-header .section-eyebrow {
        color: var(--color-accent);
    }

    /* ========== ASYMMETRIC GRID CARDS ========== */
    .asym-grid {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 24px;
    }

    .asym-card {
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        padding: 28px;
        transition: all 0.3s ease;
    }

    .asym-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }

    .asym-card .card-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        border-radius: var(--radius-sm);
        background: var(--color-primary);
        color: var(--color-accent);
        font-size: 20px;
        margin-bottom: 16px;
    }

    .asym-card h3 {
        font-family: var(--font-title);
        font-size: 18px;
        font-weight: 700;
        color: var(--color-primary);
        margin: 0 0 10px;
        line-height: 1.45;
    }

    .asym-card p {
        font-size: 14px;
        color: var(--color-text-weak);
        line-height: 1.75;
        margin: 0;
    }

    .asym-card.card-tall {
        grid-column: span 7;
        min-height: 260px;
    }

    .asym-card.card-mid {
        grid-column: span 5;
    }

    .asym-card.card-wide-short {
        grid-column: span 5;
    }

    .asym-card.card-narrow {
        grid-column: span 3;
    }

    .asym-card .card-status {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 12px;
        padding: 4px 10px;
        border-radius: 12px;
        background: var(--color-bg-sage);
        color: var(--color-primary);
        margin-bottom: 12px;
    }

    .asym-card .card-status.safe {
        background: #E3E8E4;
        color: #0D3B3E;
    }

    .asym-card .card-status.warn {
        background: #F5EADB;
        color: #7A3E2E;
    }

    /* ========== DARK DATA BAND ========== */
    .data-band {
        background: var(--color-primary);
        padding: 48px 0;
        border-top: 4px solid var(--color-accent);
        border-bottom: 4px solid var(--color-accent);
    }

    .data-band-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }

    .data-band-item {
        text-align: center;
        padding: 8px 12px;
        border-right: 1px solid rgba(255, 255, 255, 0.15);
    }

    .data-band-item:last-child {
        border-right: none;
    }

    .data-band-item .data-number {
        font-family: var(--font-title);
        font-size: 44px;
        font-weight: 800;
        color: var(--color-accent);
        line-height: 1.1;
        margin-bottom: 6px;
    }

    .data-band-item .data-label {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.75);
        margin: 0;
    }

    /* ========== ASYMMETRIC CONTENT ========== */
    .asym-content-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        align-items: start;
    }

    .asym-content-grid.reversed {
        direction: rtl;
    }

    .asym-content-grid.reversed > * {
        direction: ltr;
    }

    .acg-text {
        padding: 12px 0;
    }

    .acg-text h3 {
        font-family: var(--font-title);
        font-size: 22px;
        font-weight: 800;
        color: var(--color-primary);
        margin: 0 0 14px;
        line-height: 1.4;
    }

    .acg-text p {
        font-size: 15px;
        color: var(--color-text-weak);
        line-height: 1.85;
        margin: 0 0 14px;
        max-width: 560px;
    }

    .acg-text ul.security-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .acg-text ul.security-list li {
        position: relative;
        padding: 8px 0 8px 28px;
        font-size: 15px;
        color: var(--color-text-weak);
        line-height: 1.7;
    }

    .acg-text ul.security-list li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 14px;
        width: 12px;
        height: 12px;
        border-radius: 2px;
        background: var(--color-accent);
    }

    .acg-visual {
        border-radius: var(--radius-md);
        overflow: hidden;
        border: 1px solid var(--color-border);
        min-height: 280px;
        background-size: cover;
        background-position: center;
        box-shadow: var(--shadow-sm);
    }

    .acg-visual img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        min-height: 280px;
    }

    /* ========== SECURITY LIST ========== */
    .security-list-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .security-list-item {
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 22px;
        display: flex;
        gap: 16px;
        align-items: flex-start;
        transition: all 0.3s ease;
    }

    .security-list-item:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }

    .security-list-item .step-num {
        flex-shrink: 0;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--color-primary);
        color: var(--color-accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 16px;
        font-family: var(--font-title);
    }

    .security-list-item .step-body h4 {
        font-family: var(--font-title);
        font-size: 16px;
        font-weight: 700;
        color: var(--color-primary);
        margin: 0 0 6px;
    }

    .security-list-item .step-body p {
        font-size: 14px;
        color: var(--color-text-weak);
        line-height: 1.7;
        margin: 0;
    }

    /* ========== PROCESS TIMELINE ========== */
    .process-timeline {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        position: relative;
    }

    .process-step {
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 24px 20px;
        text-align: center;
        transition: all 0.3s ease;
    }

    .process-step:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-3px);
    }

    .process-step .step-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: var(--color-primary);
        color: var(--color-accent);
        font-size: 20px;
        margin-bottom: 12px;
    }

    .process-step h4 {
        font-family: var(--font-title);
        font-size: 16px;
        font-weight: 700;
        color: var(--color-primary);
        margin: 0 0 8px;
    }

    .process-step p {
        font-size: 13px;
        color: var(--color-text-weak);
        line-height: 1.7;
        margin: 0;
    }

    /* ========== FAQ ========== */
    .faq-wrap {
        max-width: 820px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: all 0.25s ease;
    }

    .faq-item:hover {
        border-color: var(--color-accent);
    }

    .faq-item.active {
        border-color: var(--color-accent);
        box-shadow: 0 6px 18px rgba(13, 59, 62, 0.08);
    }

    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 18px 22px;
        font-family: var(--font-title);
        font-size: 16px;
        font-weight: 700;
        color: var(--color-primary);
        background: none;
        border: none;
        cursor: pointer;
        text-align: left;
        transition: background 0.25s ease;
    }

    .faq-question .faq-num {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--color-bg-sage);
        color: var(--color-primary);
        font-size: 13px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
    }

    .faq-question .faq-icon {
        margin-left: auto;
        font-size: 14px;
        color: var(--color-accent);
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }

    .faq-item.active .faq-question .faq-icon {
        transform: rotate(180deg);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        padding: 0 22px;
    }

    .faq-item.active .faq-answer {
        max-height: 260px;
        padding: 0 22px 18px;
    }

    .faq-answer p {
        font-size: 14px;
        color: var(--color-text-weak);
        line-height: 1.75;
        margin: 0;
        padding-top: 4px;
    }

    /* ========== CTA ========== */
    .cta-panel {
        background: linear-gradient(135deg, #0D3B3E 0%, #12504F 100%);
        border-radius: var(--radius-lg);
        padding: 44px 36px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 28px;
        flex-wrap: wrap;
        border: 1px solid rgba(194, 150, 75, 0.3);
        box-shadow: var(--shadow-hover);
    }

    .cta-panel .cta-copy h3 {
        font-family: var(--font-title);
        font-size: 22px;
        font-weight: 800;
        color: var(--color-white);
        margin: 0 0 8px;
    }

    .cta-panel .cta-copy p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.75);
        margin: 0;
        max-width: 480px;
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 28px;
        background: var(--color-accent);
        color: var(--color-primary-dark);
        font-weight: 800;
        font-size: 15px;
        border-radius: var(--radius-sm);
        border: none;
        transition: all 0.25s ease;
        white-space: nowrap;
    }

    .btn-primary:hover {
        background: var(--color-accent-dark);
        color: var(--color-white);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .btn-primary i {
        font-size: 14px;
    }

    /* ========== FOOTER ========== */
    .site-footer {
        background: var(--color-primary-dark);
        color: rgba(255, 255, 255, 0.7);
        padding: 56px 0 24px;
        margin-top: 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }

    .footer-brand-col .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 20px;
        color: var(--color-white);
        margin-bottom: 12px;
    }

    .footer-brand-col .footer-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: var(--color-accent);
        color: var(--color-primary-dark);
        font-size: 16px;
    }

    .footer-brand-col p {
        font-size: 14px;
        line-height: 1.75;
        color: rgba(255, 255, 255, 0.6);
        margin: 0;
        max-width: 360px;
    }

    .site-footer h4 {
        font-family: var(--font-title);
        font-size: 16px;
        font-weight: 700;
        color: var(--color-white);
        margin: 0 0 16px;
    }

    .site-footer ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .site-footer ul li {
        margin-bottom: 10px;
    }

    .site-footer ul li a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.6);
        transition: color 0.25s ease;
    }

    .site-footer ul li a:hover {
        color: var(--color-accent);
    }

    .site-footer ul li a i {
        margin-right: 6px;
        font-size: 12px;
        color: var(--color-accent);
    }

    .footer-meta-list li a i {
        width: 16px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: space-between;
        align-items: center;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.45);
    }

    .footer-bottom p {
        margin: 0;
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.5);
        transition: color 0.25s ease;
    }

    .footer-bottom a:hover {
        color: var(--color-accent);
    }

    /* ========== MOBILE NAV DRAWER ========== */
    .nav-drawer-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1100;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .nav-drawer-overlay.show {
        opacity: 1;
    }

    .nav-drawer {
        position: fixed;
        top: 0;
        right: -320px;
        width: 300px;
        max-width: 85vw;
        height: 100vh;
        background: var(--color-bg-warm);
        z-index: 1200;
        padding: 20px;
        transition: right 0.3s ease;
        overflow-y: auto;
        box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
    }

    .nav-drawer.show {
        right: 0;
    }

    .nav-drawer-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 20px;
    }

    .nav-drawer-header .nav-logo {
        font-size: 18px;
    }

    .nav-drawer-close {
        width: 38px;
        height: 38px;
        border-radius: var(--radius-sm);
        background: var(--color-primary);
        color: var(--color-white);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
    }

    .nav-drawer-items {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .nav-drawer-items .nav-item {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 12px 16px;
        font-size: 15px;
        font-weight: 500;
        border-radius: var(--radius-sm);
        color: var(--color-text-weak);
        background: var(--color-white);
        border: 1px solid var(--color-border);
        transition: all 0.25s ease;
    }

    .nav-drawer-items .nav-item i {
        color: var(--color-accent);
    }

    .nav-drawer-items .nav-item.active {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
        font-weight: 700;
    }

    .nav-drawer-items .nav-item.active i {
        color: var(--color-accent);
    }

    .nav-drawer-cta {
        margin-top: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 14px 20px;
        background: var(--color-primary);
        color: var(--color-white);
        font-weight: 700;
        font-size: 14px;
        border-radius: var(--radius-sm);
        text-align: center;
    }

    .nav-drawer-cta i {
        color: var(--color-accent);
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 1024px) {
        .nav-links .nav-item {
            padding: 7px 10px;
            font-size: 13px;
        }

        .nav-links .nav-item:nth-child(n+6) {
            display: none;
        }

        .data-band-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .data-band-item {
            border-right: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            padding-bottom: 16px;
        }

        .data-band-item:nth-child(3),
        .data-band-item:nth-child(4) {
            border-bottom: none;
        }

        .process-timeline {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .asym-card.card-tall {
            grid-column: span 12;
        }

        .asym-card.card-mid {
            grid-column: span 6;
        }

        .asym-card.card-wide-short {
            grid-column: span 6;
        }

        .asym-card.card-narrow {
            grid-column: span 6;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }

    @media (max-width: 768px) {
        :root {
            --spacing-section: 56px;
        }

        .nav-links {
            display: none;
        }

        .nav-cta {
            display: none;
        }

        .nav-toggle {
            display: inline-flex;
        }

        .site-header {
            padding: 8px 10px;
        }

        .nav-panel {
            padding: 8px 14px;
        }

        .hero-compact-inner {
            flex-direction: column;
            align-items: flex-start;
            gap: 20px;
        }

        .hero-compact-copy h1 {
            font-size: 27px;
        }

        .hero-compact-visual {
            flex: 1 1 auto;
            width: 100%;
        }

        .section {
            padding: 48px 0;
        }

        .asym-content-grid,
        .asym-content-grid.reversed {
            grid-template-columns: 1fr;
            direction: ltr;
        }

        .asym-content-grid.reversed > * {
            direction: ltr;
        }

        .security-list-grid {
            grid-template-columns: 1fr;
            gap: 14px;
        }

        .process-timeline {
            grid-template-columns: 1fr;
            gap: 14px;
        }

        .data-band-grid {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .data-band-item .data-number {
            font-size: 32px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }

        .cta-panel {
            flex-direction: column;
            align-items: flex-start;
            padding: 28px 22px;
        }

        .asym-card.card-tall,
        .asym-card.card-mid,
        .asym-card.card-wide-short,
        .asym-card.card-narrow {
            grid-column: span 12;
        }

        .section-header h2 {
            font-size: 22px;
        }

        .faq-question {
            font-size: 15px;
            padding: 14px 16px;
        }

        .faq-answer {
            padding: 0 16px;
        }

        .faq-item.active .faq-answer {
            padding: 0 16px 14px;
        }
    }

    @media (max-width: 520px) {
        body {
            font-size: 15px;
        }

        .hero-compact-copy h1 {
            font-size: 24px;
        }

        .hero-compact-copy p {
            font-size: 14px;
        }

        .section-header h2 {
            font-size: 20px;
        }

        .data-band-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }

        .data-band-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            padding-bottom: 12px;
        }

        .data-band-item:last-child {
            border-bottom: none;
        }

        .data-band-item .data-number {
            font-size: 28px;
        }

        .asym-card {
            padding: 20px;
        }

        .acg-text h3 {
            font-size: 19px;
        }

        .btn-primary {
            width: 100%;
            justify-content: center;
        }

        .nav-drawer {
            width: 280px;
            padding: 16px;
        }
    }

/* roulang page: category4 */
:root {
            --color-primary: #0D3B3E;
            --color-primary-dark: #0A2F31;
            --color-primary-mid: #12504F;
            --color-accent: #C2964B;
            --color-accent-dark: #B8893A;
            --color-bg-warm: #F6F4EF;
            --color-bg-soft: #F1EEE7;
            --color-bg-sage: #E3E8E4;
            --color-text: #2B2B2B;
            --color-text-weak: #5A5A5A;
            --color-text-muted: #7A7A7A;
            --color-border: #DDD8CE;
            --color-danger: #7A3E2E;
            --color-white: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 8px 24px rgba(13, 59, 62, 0.10);
            --font-title: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --spacing-section: 88px;
            --spacing-section-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            background-color: var(--color-bg-warm);
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 15px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus,
        a:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 16px;
            background: rgba(246, 244, 239, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .nav-panel {
            max-width: 1240px;
            margin: 0 auto;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 10px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 16px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }

        .nav-links .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            color: var(--color-text-weak);
            background: var(--color-bg-warm);
            border: 1px solid transparent;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-links .nav-item i {
            font-size: 13px;
            color: var(--color-accent);
            transition: color 0.25s ease;
        }

        .nav-links .nav-item:hover {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }

        .nav-links .nav-item:hover i {
            color: var(--color-accent);
        }

        .nav-links .nav-item.active {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
            font-weight: 700;
        }

        .nav-links .nav-item.active i {
            color: var(--color-accent);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-sm);
            border: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .nav-cta i {
            color: var(--color-accent);
        }

        .nav-cta:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: var(--color-white);
            font-size: 18px;
            transition: background 0.25s ease;
        }

        .nav-toggle:hover {
            background: var(--color-primary-dark);
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            background: var(--color-primary);
            padding: 56px 0 68px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(194, 150, 75, 0.08);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 24px;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.25s ease;
        }

        .hero-breadcrumb a:hover {
            color: var(--color-accent);
        }

        .hero-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-breadcrumb .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        .page-hero h1 {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--color-white);
            margin: 0 0 16px;
            max-width: 820px;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.78);
            max-width: 680px;
            margin: 0 0 28px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
        }

        .hero-tag i {
            color: var(--color-accent);
            font-size: 12px;
        }

        /* ========== OVERVIEW SECTION ========== */
        .overview-section {
            padding: 64px 0 40px;
        }

        .overview-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 36px;
            align-items: stretch;
        }

        .overview-text {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 32px 36px;
            box-shadow: var(--shadow-sm);
        }

        .overview-text h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary);
            margin: 0 0 16px;
            line-height: 1.45;
        }

        .overview-text p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-weak);
            margin: 0 0 14px;
        }

        .overview-text p:last-child {
            margin-bottom: 0;
        }

        .overview-side {
            background: var(--color-bg-sage);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .overview-side h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 12px;
        }

        .overview-side ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .overview-side ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(13, 59, 62, 0.08);
            font-size: 15px;
            color: var(--color-text-weak);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .overview-side ul li:last-child {
            border-bottom: none;
        }

        .overview-side ul li i {
            color: var(--color-accent);
            font-size: 13px;
        }

        /* ========== STEPS SECTION ========== */
        .steps-section {
            padding: 56px 0 72px;
        }

        .section-heading {
            margin-bottom: 40px;
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-primary);
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .section-heading p {
            font-size: 16px;
            color: var(--color-text-weak);
            max-width: 720px;
            line-height: 1.85;
            margin: 0;
        }

        .steps-flow {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .step-item {
            display: grid;
            grid-template-columns: 68px 1fr;
            gap: 20px;
            position: relative;
            padding-bottom: 40px;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        .step-item::before {
            content: '';
            position: absolute;
            left: 33px;
            top: 56px;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
        }

        .step-item:last-child::before {
            display: none;
        }

        .step-number {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-accent);
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 1;
            border: 3px solid var(--color-bg-warm);
            box-shadow: var(--shadow-sm);
            flex-shrink: 0;
        }

        .step-content {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 22px 28px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .step-content:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .step-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 10px;
            line-height: 1.45;
        }

        .step-content p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-weak);
            margin: 0 0 12px;
        }

        .step-content .step-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .step-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--color-bg-soft);
            color: var(--color-text-weak);
        }

        .step-meta span i {
            color: var(--color-accent);
            font-size: 11px;
        }

        /* ========== DETAIL CONTENT SECTION ========== */
        .detail-section {
            padding: 60px 0 72px;
            background: var(--color-bg-soft);
        }

        .detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }

        .detail-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 30px 34px;
            box-shadow: var(--shadow-sm);
        }

        .detail-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 14px;
            line-height: 1.5;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .detail-card h3 i {
            color: var(--color-accent);
            font-size: 18px;
        }

        .detail-card p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-weak);
            margin: 0 0 12px;
        }

        .detail-card p:last-child {
            margin-bottom: 0;
        }

        .detail-card ul {
            list-style: none;
            padding: 0;
            margin: 8px 0 0;
        }

        .detail-card ul li {
            padding: 7px 0;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-weak);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .detail-card ul li i {
            color: var(--color-accent);
            font-size: 13px;
            margin-top: 6px;
        }

        /* ========== SCENARIO SECTION ========== */
        .scenario-section {
            padding: 64px 0 72px;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .scenario-card .scenario-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .scenario-card .scenario-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 59, 62, 0.05) 0%, rgba(13, 59, 62, 0.45) 100%);
        }

        .scenario-card .scenario-body {
            padding: 20px 24px 24px;
        }

        .scenario-card .scenario-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 10px;
            line-height: 1.45;
        }

        .scenario-card .scenario-body p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--color-text-weak);
            margin: 0;
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: 64px 0 72px;
            background: var(--color-primary);
        }

        .faq-section .section-heading h2 {
            color: var(--color-white);
        }

        .faq-section .section-heading p {
            color: rgba(255, 255, 255, 0.7);
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: background 0.25s ease, border-color 0.25s ease;
        }

        .faq-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(194, 150, 75, 0.4);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            color: var(--color-white);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            transition: color 0.25s ease;
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--color-accent);
            transition: transform 0.3s ease, background 0.25s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(194, 150, 75, 0.2);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            line-height: 1.9;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 66px 0 80px;
        }

        .cta-panel {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-panel .cta-info {
            flex: 1;
            min-width: 280px;
        }

        .cta-panel .cta-info h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .cta-panel .cta-info p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-weak);
            margin: 0;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            border: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-primary i {
            color: var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: transparent;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-accent);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-outline i {
            color: var(--color-accent);
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: var(--color-primary-dark);
            border-color: var(--color-accent);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--color-white);
            margin-bottom: 14px;
        }

        .footer-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(194, 150, 75, 0.2);
            color: var(--color-accent);
            font-size: 16px;
        }

        .footer-brand-col p {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 300px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.25s ease;
        }

        .footer-col ul li a i {
            font-size: 12px;
            color: var(--color-accent);
            transition: transform 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-col ul li a:hover i {
            transform: translateX(3px);
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom p {
            margin: 4px 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.25s ease;
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* ========== MOBILE NAV DRAWER ========== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(13, 59, 62, 0.98);
            z-index: 2000;
            padding: 20px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            display: flex;
        }

        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 8px;
        }

        .mobile-drawer .drawer-header .nav-logo {
            color: var(--color-white);
        }

        .drawer-close {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-drawer .drawer-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.25s ease;
        }

        .mobile-drawer .drawer-nav a i {
            color: var(--color-accent);
            font-size: 14px;
        }

        .mobile-drawer .drawer-nav a:hover,
        .mobile-drawer .drawer-nav a.active {
            background: var(--color-white);
            color: var(--color-primary);
        }

        .mobile-drawer .drawer-cta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 16px 20px;
            background: var(--color-accent);
            color: var(--color-primary-dark);
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links .nav-item {
                padding: 7px 10px;
                font-size: 13px;
            }

            .nav-links .nav-item i {
                display: none;
            }

            .overview-grid {
                grid-template-columns: 1fr;
            }

            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .detail-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta {
                display: none;
            }

            .nav-panel {
                padding: 10px 14px;
            }

            .page-hero {
                padding: 40px 0 52px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero .hero-sub {
                font-size: 15px;
            }

            .overview-section {
                padding: 48px 0 32px;
            }

            .overview-text {
                padding: 24px 22px;
            }

            .overview-side {
                padding: 22px 24px;
            }

            .steps-section {
                padding: 40px 0 52px;
            }

            .section-heading h2 {
                font-size: 24px;
            }

            .step-item {
                grid-template-columns: 48px 1fr;
                gap: 14px;
                padding-bottom: 28px;
            }

            .step-item::before {
                left: 23px;
                top: 44px;
            }

            .step-number {
                width: 48px;
                height: 48px;
                font-size: 18px;
                border-width: 2px;
            }

            .step-content {
                padding: 16px 18px;
            }

            .step-content h3 {
                font-size: 17px;
            }

            .detail-section {
                padding: 44px 0 52px;
            }

            .detail-card {
                padding: 22px 24px;
            }

            .scenario-section {
                padding: 48px 0 52px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .faq-section {
                padding: 48px 0 52px;
            }

            .faq-question {
                font-size: 15px;
                padding: 15px 18px;
            }

            .faq-answer {
                font-size: 14px;
                padding: 0 18px;
            }

            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }

            .cta-section {
                padding: 48px 0 56px;
            }

            .cta-panel {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-brand-col p {
                max-width: 100%;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }

            .page-hero h1 {
                font-size: 24px;
            }

            .hero-tag {
                font-size: 12px;
                padding: 5px 10px;
            }

            .section-heading h2 {
                font-size: 22px;
            }

            .step-content p {
                font-size: 14px;
            }

            .cta-panel .cta-info h2 {
                font-size: 21px;
            }

            .btn-primary,
            .btn-outline {
                padding: 10px 18px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }

            .cta-actions {
                width: 100%;
                flex-direction: column;
            }
        }

/* roulang page: category5 */
:root {
      --color-primary: #0D3B3E;
      --color-primary-dark: #0A2F31;
      --color-primary-mid: #12504F;
      --color-accent: #C2964B;
      --color-accent-dark: #B8893A;
      --color-bg-warm: #F6F4EF;
      --color-bg-soft: #F1EEE7;
      --color-bg-sage: #E3E8E4;
      --color-text: #2B2B2B;
      --color-text-weak: #5A5A5A;
      --color-text-muted: #7A7A7A;
      --color-border: #DDD8CE;
      --color-danger: #7A3E2E;
      --color-white: #FFFFFF;
      --radius-sm: 6px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 8px 24px rgba(13, 59, 62, 0.10);
      --font-title: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --spacing-section: 88px;
      --spacing-section-mobile: 56px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.85;
      color: var(--color-text);
      background-color: var(--color-bg-warm);
      overflow-x: hidden;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.25s ease;
    }

    button,
    input,
    textarea,
    select {
      font-family: var(--font-body);
      font-size: 15px;
    }

    button {
      cursor: pointer;
      border: none;
      background: none;
    }

    button:focus,
    a:focus,
    input:focus,
    textarea:focus,
    select:focus {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }

    .container {
      max-width: 1240px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ========== HEADER / NAV ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 12px 16px;
      background: rgba(246, 244, 239, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }

    .nav-panel {
      max-width: 1240px;
      margin: 0 auto;
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      padding: 10px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 20px;
      color: var(--color-primary);
      letter-spacing: 0.5px;
      white-space: nowrap;
    }

    .nav-logo .logo-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--color-primary);
      color: var(--color-accent);
      font-size: 16px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
      flex: 1;
      justify-content: center;
    }

    .nav-links .nav-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      border-radius: var(--radius-sm);
      color: var(--color-text-weak);
      background: var(--color-bg-warm);
      border: 1px solid transparent;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .nav-links .nav-item i {
      font-size: 13px;
      color: var(--color-accent);
      transition: color 0.25s ease;
    }

    .nav-links .nav-item:hover {
      background: var(--color-primary);
      color: var(--color-white);
      border-color: var(--color-primary);
    }

    .nav-links .nav-item:hover i {
      color: var(--color-accent);
    }

    .nav-links .nav-item.active {
      background: var(--color-primary);
      color: var(--color-white);
      border-color: var(--color-primary);
      font-weight: 700;
    }

    .nav-links .nav-item.active i {
      color: var(--color-accent);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 20px;
      background: var(--color-primary);
      color: var(--color-white);
      font-weight: 700;
      font-size: 14px;
      border-radius: var(--radius-sm);
      border: none;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .nav-cta i {
      color: var(--color-accent);
    }

    .nav-cta:hover {
      background: var(--color-primary-dark);
      transform: translateY(-1px);
      box-shadow: var(--shadow-hover);
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: var(--color-bg-warm);
      color: var(--color-primary);
      font-size: 20px;
      border: 1px solid var(--color-border);
      transition: all 0.25s ease;
    }

    .nav-toggle:hover {
      background: var(--color-primary);
      color: var(--color-white);
    }

    .mobile-nav-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(13, 59, 62, 0.5);
      z-index: 998;
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
    }

    .mobile-nav-panel {
      display: none;
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      width: 320px;
      max-width: 85vw;
      background: var(--color-bg-warm);
      z-index: 999;
      padding: 20px;
      overflow-y: auto;
      box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
      transform: translateX(100%);
      transition: transform 0.3s ease;
    }

    .mobile-nav-panel.open {
      transform: translateX(0);
    }

    .mobile-nav-overlay.show {
      display: block;
    }

    .mobile-nav-panel.open {
      display: block;
    }

    .mobile-nav-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--color-border);
    }

    .mobile-nav-close {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--color-white);
      border: 1px solid var(--color-border);
      color: var(--color-primary);
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.25s ease;
    }

    .mobile-nav-close:hover {
      background: var(--color-primary);
      color: var(--color-white);
    }

    .mobile-nav-items {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .mobile-nav-items .mobile-nav-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px 16px;
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-weight: 600;
      color: var(--color-text);
      transition: all 0.25s ease;
    }

    .mobile-nav-items .mobile-nav-item i {
      color: var(--color-accent);
      width: 20px;
      text-align: center;
    }

    .mobile-nav-items .mobile-nav-item:hover,
    .mobile-nav-items .mobile-nav-item.active {
      background: var(--color-primary);
      color: var(--color-white);
      border-color: var(--color-primary);
    }

    .mobile-nav-items .mobile-nav-item.active i,
    .mobile-nav-items .mobile-nav-item:hover i {
      color: var(--color-accent);
    }

    .mobile-nav-cta {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 20px;
      background: var(--color-primary);
      color: var(--color-white);
      font-weight: 700;
      font-size: 14px;
      border-radius: var(--radius-sm);
      margin-top: 16px;
      transition: all 0.25s ease;
    }

    .mobile-nav-cta i {
      color: var(--color-accent);
    }

    .mobile-nav-cta:hover {
      background: var(--color-primary-dark);
    }

    /* ========== PAGE HERO ========== */
    .page-hero {
      background-color: var(--color-bg-warm);
      padding: 56px 0 36px;
      border-bottom: 1px solid var(--color-border);
    }

    .page-hero .container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .page-hero-content h1 {
      font-size: 34px;
      font-weight: 800;
      line-height: 1.4;
      color: var(--color-primary);
      font-family: var(--font-title);
      margin-bottom: 16px;
      letter-spacing: 0.3px;
    }

    .page-hero-content .hero-lead {
      font-size: 16px;
      color: var(--color-text-weak);
      line-height: 1.9;
      max-width: 560px;
      margin-bottom: 20px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: 20px;
      font-size: 13px;
      color: var(--color-primary);
      font-weight: 500;
    }

    .hero-tag i {
      color: var(--color-accent);
      font-size: 12px;
    }

    .page-hero-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      min-height: 300px;
      background-color: var(--color-bg-sage);
      box-shadow: var(--shadow-sm);
    }

    .page-hero-visual img {
      width: 100%;
      height: 300px;
      object-fit: cover;
      border-radius: var(--radius-lg);
    }

    .page-hero-visual::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(13, 59, 62, 0.28) 0%, rgba(13, 59, 62, 0.05) 60%);
      border-radius: var(--radius-lg);
      pointer-events: none;
    }

    .hero-visual-badge {
      position: absolute;
      bottom: 16px;
      left: 16px;
      z-index: 2;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      padding: 10px 18px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 13px;
      color: var(--color-primary);
      display: flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    }

    .hero-visual-badge i {
      color: var(--color-accent);
    }

    /* ========== SUMMARY STRIP ========== */
    .summary-strip {
      background: var(--color-primary);
      padding: 24px 0;
      border-bottom: 3px solid var(--color-accent);
    }

    .summary-strip .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    .summary-strip p {
      color: rgba(255, 255, 255, 0.92);
      font-size: 15px;
      line-height: 1.8;
      max-width: 760px;
      flex: 1;
    }

    .summary-strip .summary-count {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--color-accent);
      font-weight: 800;
      font-size: 18px;
      white-space: nowrap;
    }

    .summary-strip .summary-count i {
      font-size: 22px;
    }

    /* ========== CASE LIST SECTION ========== */
    .case-list-section {
      padding: 72px 0;
      background: var(--color-bg-warm);
    }

    .case-card {
      display: grid;
      grid-template-columns: 40% 60%;
      gap: 0;
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .case-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }

    .case-card.reverse {
      grid-template-columns: 60% 40%;
    }

    .case-card.reverse .case-card-media {
      order: 2;
    }

    .case-card.reverse .case-card-body {
      order: 1;
    }

    .case-card-media {
      position: relative;
      overflow: hidden;
      min-height: 320px;
      background-color: var(--color-bg-sage);
    }

    .case-card-media img {
      width: 100%;
      height: 100%;
      min-height: 320px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .case-card:hover .case-card-media img {
      transform: scale(1.04);
    }

    .case-card-media::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(13, 59, 62, 0.05) 0%, rgba(13, 59, 62, 0.35) 100%);
      pointer-events: none;
    }

    .case-card-body {
      padding: 36px 40px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .case-card-label {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      color: var(--color-accent-dark);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 12px;
    }

    .case-card-label i {
      font-size: 11px;
    }

    .case-card-body h2 {
      font-size: 22px;
      font-weight: 700;
      color: var(--color-primary);
      line-height: 1.4;
      margin-bottom: 14px;
      font-family: var(--font-title);
    }

    .case-card-body p {
      font-size: 15px;
      color: var(--color-text-weak);
      line-height: 1.9;
      margin-bottom: 18px;
    }

    .case-card-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      padding-top: 14px;
      border-top: 1px solid var(--color-border);
    }

    .case-card-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--color-text-muted);
    }

    .case-card-meta span i {
      color: var(--color-accent);
      font-size: 12px;
    }

    .case-card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: 700;
      font-size: 14px;
      color: var(--color-primary);
      transition: all 0.25s ease;
      margin-top: 4px;
    }

    .case-card-link i {
      transition: transform 0.25s ease;
      font-size: 13px;
    }

    .case-card-link:hover {
      color: var(--color-accent-dark);
    }

    .case-card-link:hover i {
      transform: translateX(4px);
    }

    /* ========== DATA BAND ========== */
    .data-band {
      background: var(--color-primary);
      padding: 56px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .data-band .container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
    }

    .data-band-item {
      text-align: center;
      padding: 20px 12px;
      border-right: 1px solid rgba(255, 255, 255, 0.12);
    }

    .data-band-item:last-child {
      border-right: none;
    }

    .data-band-number {
      font-size: 38px;
      font-weight: 800;
      color: var(--color-accent);
      line-height: 1.2;
      margin-bottom: 8px;
      font-family: var(--font-title);
      letter-spacing: 0.5px;
    }

    .data-band-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.82);
      line-height: 1.5;
    }

    /* ========== DEEP CONTENT ========== */
    .deep-content {
      padding: 72px 0;
      background: var(--color-bg-soft);
    }

    .deep-content .container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .deep-text-block {
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 36px 36px;
      box-shadow: var(--shadow-sm);
    }

    .deep-text-block h2 {
      font-size: 21px;
      font-weight: 700;
      color: var(--color-primary);
      line-height: 1.5;
      margin-bottom: 16px;
      font-family: var(--font-title);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .deep-text-block h2 i {
      color: var(--color-accent);
      font-size: 18px;
    }

    .deep-text-block p {
      font-size: 15px;
      color: var(--color-text-weak);
      line-height: 1.95;
      margin-bottom: 16px;
    }

    .deep-text-block p:last-child {
      margin-bottom: 0;
    }

    /* ========== FAQ ========== */
    .faq-section {
      padding: 72px 0;
      background: var(--color-bg-warm);
    }

    .faq-section .section-title {
      text-align: left;
      margin-bottom: 36px;
    }

    .section-title h2 {
      font-size: 26px;
      font-weight: 800;
      color: var(--color-primary);
      font-family: var(--font-title);
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .section-title p {
      font-size: 15px;
      color: var(--color-text-muted);
      max-width: 640px;
      line-height: 1.8;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .faq-item {
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .faq-item:hover {
      border-color: var(--color-primary-mid);
    }

    .faq-question {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 18px 20px;
      cursor: pointer;
      font-weight: 700;
      font-size: 16px;
      color: var(--color-primary);
      line-height: 1.5;
      background: var(--color-white);
      transition: all 0.25s ease;
      border: none;
      width: 100%;
      text-align: left;
    }

    .faq-question .faq-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--color-bg-soft);
      color: var(--color-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      transition: all 0.3s ease;
    }

    .faq-question.active .faq-icon {
      background: var(--color-primary);
      color: var(--color-accent);
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.3s ease;
      padding: 0 20px;
    }

    .faq-answer p {
      font-size: 14px;
      color: var(--color-text-weak);
      line-height: 1.9;
      padding-bottom: 18px;
    }

    .faq-item.open .faq-answer {
      max-height: 220px;
      padding-top: 4px;
    }

    .faq-item.open {
      border-color: var(--color-primary-mid);
      box-shadow: var(--shadow-sm);
    }

    /* ========== CTA BAND ========== */
    .cta-band {
      background: var(--color-primary);
      padding: 56px 0;
      border-top: 3px solid var(--color-accent);
    }

    .cta-band .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
    }

    .cta-band-content h2 {
      font-size: 24px;
      font-weight: 800;
      color: var(--color-white);
      line-height: 1.4;
      margin-bottom: 8px;
      font-family: var(--font-title);
    }

    .cta-band-content p {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.78);
      max-width: 600px;
      line-height: 1.8;
    }

    .cta-band-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 28px;
      background: var(--color-accent);
      color: var(--color-primary-dark);
      font-weight: 700;
      font-size: 15px;
      border-radius: var(--radius-sm);
      border: none;
      transition: all 0.25s ease;
    }

    .btn-primary:hover {
      background: var(--color-accent-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(194, 150, 75, 0.28);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 28px;
      background: transparent;
      color: var(--color-white);
      font-weight: 700;
      font-size: 15px;
      border-radius: var(--radius-sm);
      border: 2px solid rgba(255, 255, 255, 0.4);
      transition: all 0.25s ease;
    }

    .btn-secondary:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
    }

    /* ========== FOOTER ========== */
    .site-footer {
      background: var(--color-primary-dark);
      color: rgba(255, 255, 255, 0.75);
      padding: 56px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1.2fr 1.2fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 20px;
      color: var(--color-white);
      margin-bottom: 16px;
    }

    .footer-logo .logo-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--color-primary);
      color: var(--color-accent);
      font-size: 16px;
    }

    .footer-brand-col p {
      font-size: 14px;
      line-height: 1.85;
      color: rgba(255, 255, 255, 0.65);
      max-width: 360px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--color-white);
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }

    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul li a {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.65);
      transition: all 0.25s ease;
    }

    .footer-col ul li a i {
      font-size: 11px;
      color: var(--color-accent);
    }

    .footer-col ul li a:hover {
      color: var(--color-accent);
    }

    .footer-bottom {
      padding: 24px 0;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.5);
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-bottom p {
      margin: 0;
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.65);
      font-size: 13px;
      transition: color 0.25s ease;
    }

    .footer-bottom a:hover {
      color: var(--color-accent);
    }

    .footer-bottom-links {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 1024px) {
      .nav-panel {
        flex-wrap: wrap;
        justify-content: space-between;
      }

      .nav-links {
        order: 3;
        flex-basis: 100%;
        justify-content: flex-start;
      }

      .page-hero .container {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .page-hero-content h1 {
        font-size: 28px;
      }

      .page-hero-visual {
        min-height: 240px;
      }

      .page-hero-visual img {
        height: 240px;
      }

      .case-card {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
      }

      .case-card.reverse {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
      }

      .case-card.reverse .case-card-media {
        order: 1;
      }

      .case-card.reverse .case-card-body {
        order: 2;
      }

      .case-card-media {
        min-height: 220px;
      }

      .case-card-media img {
        min-height: 220px;
        height: 220px;
      }

      .case-card-body {
        padding: 28px;
      }

      .data-band .container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }

      .data-band-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        padding-bottom: 24px;
      }

      .data-band-item:nth-child(3),
      .data-band-item:nth-child(4) {
        border-bottom: none;
      }

      .deep-content .container {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .faq-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --spacing-section: 56px;
      }

      .site-header {
        padding: 8px 8px;
      }

      .nav-panel {
        padding: 8px 12px;
        gap: 10px;
      }

      .nav-links {
        display: none;
      }

      .nav-cta {
        display: none;
      }

      .nav-toggle {
        display: flex;
      }

      .page-hero {
        padding: 36px 0 28px;
      }

      .page-hero-content h1 {
        font-size: 24px;
      }

      .page-hero-content .hero-lead {
        font-size: 14px;
      }

      .page-hero-visual {
        min-height: 200px;
      }

      .page-hero-visual img {
        height: 200px;
      }

      .summary-strip .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }

      .case-list-section {
        padding: 48px 0;
      }

      .case-card {
        margin-bottom: 20px;
      }

      .case-card-body h2 {
        font-size: 19px;
      }

      .case-card-media {
        min-height: 180px;
      }

      .case-card-media img {
        min-height: 180px;
        height: 180px;
      }

      .data-band .container {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
      }

      .data-band-number {
        font-size: 28px;
      }

      .data-band-label {
        font-size: 12px;
      }

      .deep-content {
        padding: 48px 0;
      }

      .deep-text-block {
        padding: 24px 20px;
      }

      .deep-text-block h2 {
        font-size: 18px;
      }

      .faq-section {
        padding: 48px 0;
      }

      .section-title h2 {
        font-size: 22px;
      }

      .cta-band .container {
        flex-direction: column;
        align-items: flex-start;
      }

      .cta-band-content h2 {
        font-size: 20px;
      }

      .btn-primary,
      .btn-secondary {
        width: 100%;
        justify-content: center;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-bottom {
        font-size: 12px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .page-hero .container {
        gap: 16px;
      }

      .page-hero-content h1 {
        font-size: 22px;
      }

      .case-card-body {
        padding: 20px;
      }

      .case-card-body h2 {
        font-size: 17px;
      }

      .case-card-body p {
        font-size: 14px;
      }

      .data-band .container {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
      }

      .data-band-number {
        font-size: 24px;
      }

      .deep-text-block p {
        font-size: 14px;
      }

      .faq-question {
        font-size: 14px;
        padding: 16px;
      }

      .faq-answer {
        padding: 0 16px;
      }

      .faq-answer p {
        font-size: 13px;
      }

      .btn-primary,
      .btn-secondary {
        font-size: 14px;
        padding: 12px 20px;
      }
    }

/* roulang page: category6 */
:root {
        --color-primary: #0D3B3E;
        --color-primary-dark: #0A2F31;
        --color-primary-mid: #12504F;
        --color-accent: #C2964B;
        --color-accent-dark: #B8893A;
        --color-bg-warm: #F6F4EF;
        --color-bg-soft: #F1EEE7;
        --color-bg-sage: #E3E8E4;
        --color-text: #2B2B2B;
        --color-text-weak: #5A5A5A;
        --color-text-muted: #7A7A7A;
        --color-border: #DDD8CE;
        --color-danger: #7A3E2E;
        --color-white: #FFFFFF;
        --radius-sm: 6px;
        --radius-md: 8px;
        --radius-lg: 12px;
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
        --shadow-hover: 0 8px 24px rgba(13, 59, 62, 0.10);
        --font-title: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        --spacing-section: 88px;
        --spacing-section-mobile: 56px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.85;
        color: var(--color-text);
        background-color: var(--color-bg-warm);
        overflow-x: hidden;
        margin: 0;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: color 0.25s ease;
    }
    button,
    input,
    textarea,
    select {
        font-family: var(--font-body);
        font-size: 15px;
    }
    button {
        cursor: pointer;
        border: none;
        background: none;
    }
    button:focus,
    a:focus,
    input:focus,
    textarea:focus,
    select:focus {
        outline: 2px solid var(--color-accent);
        outline-offset: 2px;
    }
    .container {
        max-width: 1240px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    /* ========== HEADER / NAV ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 12px 16px;
        background: rgba(246, 244, 239, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }
    .nav-panel {
        max-width: 1240px;
        margin: 0 auto;
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        padding: 10px 18px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }
    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 20px;
        color: var(--color-primary);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }
    .nav-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        border-radius: 50%;
        background: var(--color-primary);
        color: var(--color-accent);
        font-size: 16px;
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
        flex: 1;
        justify-content: center;
    }
    .nav-links .nav-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 500;
        border-radius: var(--radius-sm);
        color: var(--color-text-weak);
        background: var(--color-bg-warm);
        border: 1px solid transparent;
        transition: all 0.25s ease;
        white-space: nowrap;
    }
    .nav-links .nav-item i {
        font-size: 13px;
        color: var(--color-accent);
        transition: color 0.25s ease;
    }
    .nav-links .nav-item:hover {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
    }
    .nav-links .nav-item:hover i {
        color: var(--color-accent);
    }
    .nav-links .nav-item.active {
        background: var(--color-primary);
        color: var(--color-white);
        border-color: var(--color-primary);
        font-weight: 700;
    }
    .nav-links .nav-item.active i {
        color: var(--color-accent);
    }
    .nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 20px;
        background: var(--color-primary);
        color: var(--color-white);
        font-weight: 700;
        font-size: 14px;
        border-radius: var(--radius-sm);
        border: none;
        transition: all 0.25s ease;
        white-space: nowrap;
    }
    .nav-cta i {
        color: var(--color-accent);
    }
    .nav-cta:hover {
        background: var(--color-primary-dark);
        transform: translateY(-1px);
        box-shadow: var(--shadow-hover);
    }
    .nav-toggle {
        display: none;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: var(--radius-sm);
        background: var(--color-bg-warm);
        color: var(--color-primary);
        font-size: 20px;
        border: 1px solid var(--color-border);
        transition: all 0.25s ease;
    }
    .nav-toggle:hover {
        background: var(--color-primary);
        color: var(--color-white);
    }

    /* ========== HERO ========== */
    .scope-hero {
        padding: 40px 0 48px;
        position: relative;
    }
    .scope-hero-inner {
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 55%, #1A5C5A 100%);
        border-radius: var(--radius-lg);
        padding: 52px 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 40px;
        overflow: hidden;
        position: relative;
        min-height: 300px;
    }
    .scope-hero-inner::after {
        content: '';
        position: absolute;
        right: -80px;
        top: -80px;
        width: 320px;
        height: 320px;
        border-radius: 50%;
        background: rgba(194, 150, 75, 0.12);
        pointer-events: none;
    }
    .scope-hero-text {
        flex: 1;
        max-width: 680px;
        position: relative;
        z-index: 1;
    }
    .scope-hero-text .hero-label {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(194, 150, 75, 0.18);
        border: 1px solid rgba(194, 150, 75, 0.4);
        color: #EED9A4;
        padding: 6px 16px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.5px;
        margin-bottom: 16px;
    }
    .scope-hero-text h1 {
        font-family: var(--font-title);
        font-size: 38px;
        font-weight: 800;
        line-height: 1.35;
        color: var(--color-white);
        margin: 0 0 16px;
        letter-spacing: 0.5px;
    }
    .scope-hero-text .hero-sub {
        font-size: 16px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.85);
        margin: 0 0 24px;
        max-width: 580px;
    }
    .hero-actions {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
    }
    .hero-actions .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--color-accent);
        color: var(--color-primary-dark);
        padding: 12px 26px;
        border-radius: var(--radius-sm);
        font-weight: 700;
        font-size: 15px;
        transition: all 0.25s ease;
        border: 1px solid var(--color-accent);
    }
    .hero-actions .btn-primary:hover {
        background: var(--color-accent-dark);
        border-color: var(--color-accent-dark);
        transform: translateY(-1px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
    }
    .hero-actions .btn-outline-light {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: transparent;
        color: var(--color-white);
        padding: 12px 22px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 15px;
        border: 1px solid rgba(255, 255, 255, 0.5);
        transition: all 0.25s ease;
    }
    .hero-actions .btn-outline-light:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: var(--color-white);
    }
    .scope-hero-visual {
        width: 280px;
        height: 200px;
        border-radius: var(--radius-md);
        overflow: hidden;
        flex-shrink: 0;
        position: relative;
        z-index: 1;
        background: var(--color-primary-dark);
        border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .scope-hero-visual img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .hero-stat-strip {
        display: flex;
        gap: 32px;
        flex-wrap: wrap;
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.15);
    }
    .hero-stat-strip .stat-item {
        display: flex;
        align-items: baseline;
        gap: 8px;
        color: rgba(255, 255, 255, 0.85);
        font-size: 14px;
    }
    .hero-stat-strip .stat-item strong {
        font-size: 26px;
        font-weight: 800;
        color: #EED9A4;
    }

    /* ========== 面包屑 ========== */
    .breadcrumb-bar {
        padding: 20px 0 4px;
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--color-text-muted);
        flex-wrap: wrap;
    }
    .breadcrumb a {
        color: var(--color-text-weak);
    }
    .breadcrumb a:hover {
        color: var(--color-primary);
    }
    .breadcrumb .sep {
        color: var(--color-border);
    }
    .breadcrumb .current {
        color: var(--color-primary);
        font-weight: 600;
    }

    /* ========== 主体：左右分栏 ========== */
    .scope-main {
        padding: 40px 0 80px;
    }
    .scope-layout {
        display: grid;
        grid-template-columns: 280px 1fr;
        gap: 36px;
        align-items: start;
    }
    /* 左侧锚点导航 */
    .scope-anchor-nav {
        position: sticky;
        top: 100px;
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 22px 18px;
        box-shadow: var(--shadow-sm);
    }
    .scope-anchor-nav .anchor-title {
        font-family: var(--font-title);
        font-size: 15px;
        font-weight: 700;
        color: var(--color-primary);
        margin: 0 0 14px;
        padding-bottom: 12px;
        border-bottom: 1px solid var(--color-border);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .scope-anchor-nav .anchor-title i {
        color: var(--color-accent);
        font-size: 14px;
    }
    .scope-anchor-nav ul {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    .scope-anchor-nav ul li a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 12px;
        font-size: 14px;
        font-weight: 500;
        color: var(--color-text-weak);
        border-radius: var(--radius-sm);
        transition: all 0.25s ease;
        border-left: 3px solid transparent;
    }
    .scope-anchor-nav ul li a .anchor-num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        background: var(--color-bg-sage);
        color: var(--color-primary);
        font-size: 12px;
        font-weight: 700;
        flex-shrink: 0;
        transition: all 0.25s ease;
    }
    .scope-anchor-nav ul li a:hover {
        background: var(--color-bg-warm);
        color: var(--color-primary);
        border-left-color: var(--color-accent);
    }
    .scope-anchor-nav ul li a:hover .anchor-num {
        background: var(--color-primary);
        color: var(--color-white);
    }
    .scope-anchor-nav ul li a.active {
        background: var(--color-bg-warm);
        color: var(--color-primary);
        font-weight: 700;
        border-left-color: var(--color-accent);
    }
    .scope-anchor-nav ul li a.active .anchor-num {
        background: var(--color-primary);
        color: var(--color-white);
    }
    .anchor-help-card {
        margin-top: 18px;
        padding: 16px 14px;
        background: linear-gradient(135deg, var(--color-bg-sage), var(--color-bg-soft));
        border-radius: var(--radius-sm);
        border: 1px solid var(--color-border);
    }
    .anchor-help-card p {
        font-size: 13px;
        color: var(--color-text-weak);
        margin: 0 0 10px;
        line-height: 1.7;
    }
    .anchor-help-card a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 700;
        color: var(--color-primary);
    }
    .anchor-help-card a:hover {
        color: var(--color-accent-dark);
    }

    /* 右侧正文 */
    .scope-content {
        display: flex;
        flex-direction: column;
        gap: 28px;
    }
    .scope-section-block {
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 36px 36px 32px;
        box-shadow: var(--shadow-sm);
        scroll-margin-top: 100px;
    }
    .scope-section-block .section-header {
        display: flex;
        align-items: flex-start;
        gap: 16px;
        margin-bottom: 20px;
    }
    .scope-section-block .section-num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        border-radius: var(--radius-sm);
        background: var(--color-primary);
        color: var(--color-accent);
        font-size: 18px;
        font-weight: 800;
        flex-shrink: 0;
    }
    .scope-section-block .section-header h2 {
        font-family: var(--font-title);
        font-size: 22px;
        font-weight: 700;
        color: var(--color-primary);
        margin: 0;
        line-height: 1.4;
    }
    .scope-section-block .section-header .section-tag {
        display: inline-block;
        background: var(--color-bg-sage);
        color: var(--color-primary-mid);
        font-size: 12px;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: 12px;
        margin-top: 6px;
    }
    .scope-section-block .section-body {
        font-size: 15.5px;
        line-height: 1.9;
        color: var(--color-text);
    }
    .scope-section-block .section-body p {
        margin: 0 0 18px;
    }
    .scope-section-block .section-body p:last-child {
        margin-bottom: 0;
    }
    .scope-section-block .section-body strong {
        color: var(--color-primary);
        font-weight: 700;
    }
    .section-image-wrap {
        margin: 22px 0 18px;
        border-radius: var(--radius-sm);
        overflow: hidden;
        border: 1px solid var(--color-border);
    }
    .section-image-wrap img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    .section-point-list {
        list-style: none;
        margin: 18px 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .section-point-list li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        font-size: 15px;
        color: var(--color-text);
        line-height: 1.75;
    }
    .section-point-list li i {
        color: var(--color-accent-dark);
        font-size: 14px;
        margin-top: 5px;
        flex-shrink: 0;
    }

    /* ========== 数据指标带 ========== */
    .scope-data-band {
        padding: 56px 0;
        background: var(--color-primary);
        position: relative;
        overflow: hidden;
    }
    .scope-data-band::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        opacity: 0.06;
        pointer-events: none;
    }
    .scope-data-band .container {
        position: relative;
        z-index: 1;
    }
    .scope-data-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }
    .scope-data-item {
        text-align: center;
        padding: 24px 16px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: var(--radius-md);
        background: rgba(255, 255, 255, 0.04);
        transition: all 0.3s ease;
    }
    .scope-data-item:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(194, 150, 75, 0.4);
    }
    .scope-data-item .data-icon {
        font-size: 28px;
        color: var(--color-accent);
        margin-bottom: 12px;
    }
    .scope-data-item .data-number {
        font-size: 34px;
        font-weight: 800;
        color: #EED9A4;
        font-family: var(--font-title);
        letter-spacing: 1px;
    }
    .scope-data-item .data-label {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.8);
        margin-top: 6px;
        font-weight: 500;
    }

    /* ========== FAQ ========== */
    .scope-faq {
        padding: 64px 0 72px;
    }
    .scope-faq .faq-heading {
        text-align: left;
        margin-bottom: 28px;
        max-width: 600px;
    }
    .scope-faq .faq-heading h2 {
        font-family: var(--font-title);
        font-size: 26px;
        font-weight: 800;
        color: var(--color-primary);
        margin: 0 0 8px;
    }
    .scope-faq .faq-heading p {
        color: var(--color-text-weak);
        font-size: 15px;
        margin: 0;
    }
    .faq-accordion {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .faq-item {
        background: var(--color-white);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: all 0.3s ease;
        box-shadow: var(--shadow-sm);
    }
    .faq-item:hover {
        border-color: var(--color-accent);
    }
    .faq-item.open {
        border-color: var(--color-primary);
        box-shadow: var(--shadow-hover);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 22px;
        cursor: pointer;
        transition: background 0.25s ease;
        user-select: none;
    }
    .faq-question:hover {
        background: var(--color-bg-warm);
    }
    .faq-question .faq-q-text {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        font-size: 16px;
        font-weight: 700;
        color: var(--color-primary);
        line-height: 1.5;
    }
    .faq-question .faq-q-text .faq-num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        background: var(--color-bg-sage);
        color: var(--color-primary);
        font-size: 12px;
        font-weight: 700;
        flex-shrink: 0;
        margin-top: 2px;
    }
    .faq-question .faq-icon {
        color: var(--color-accent);
        font-size: 16px;
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }
    .faq-item.open .faq-icon {
        transform: rotate(45deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease;
        padding: 0 22px;
        color: var(--color-text-weak);
        font-size: 15px;
        line-height: 1.85;
    }
    .faq-item.open .faq-answer {
        max-height: 400px;
        padding: 0 22px 20px;
    }

    /* ========== CTA ========== */
    .scope-cta {
        padding: 64px 0 80px;
    }
    .scope-cta-panel {
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 60%, #1A5C5A 100%);
        border-radius: var(--radius-lg);
        padding: 48px 44px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 36px;
        flex-wrap: wrap;
        position: relative;
        overflow: hidden;
    }
    .scope-cta-panel::before {
        content: '';
        position: absolute;
        right: -60px;
        bottom: -60px;
        width: 240px;
        height: 240px;
        border-radius: 50%;
        background: rgba(194, 150, 75, 0.12);
        pointer-events: none;
    }
    .scope-cta-text {
        flex: 1;
        min-width: 280px;
        position: relative;
        z-index: 1;
    }
    .scope-cta-text h2 {
        font-family: var(--font-title);
        font-size: 26px;
        font-weight: 800;
        color: var(--color-white);
        margin: 0 0 10px;
    }
    .scope-cta-text p {
        color: rgba(255, 255, 255, 0.85);
        font-size: 15px;
        margin: 0;
        max-width: 520px;
    }
    .scope-cta-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        position: relative;
        z-index: 1;
    }
    .scope-cta-actions .btn-accent {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--color-accent);
        color: var(--color-primary-dark);
        padding: 14px 28px;
        border-radius: var(--radius-sm);
        font-weight: 700;
        font-size: 15px;
        border: 1px solid var(--color-accent);
        transition: all 0.25s ease;
    }
    .scope-cta-actions .btn-accent:hover {
        background: var(--color-accent-dark);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }
    .scope-cta-actions .btn-white-outline {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: transparent;
        color: var(--color-white);
        padding: 14px 24px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 15px;
        border: 1px solid rgba(255, 255, 255, 0.5);
        transition: all 0.25s ease;
    }
    .scope-cta-actions .btn-white-outline:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: var(--color-white);
    }

    /* ========== FOOTER ========== */
    .site-footer {
        background: var(--color-primary-dark);
        color: rgba(255, 255, 255, 0.8);
        padding: 56px 0 28px;
        margin-top: 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .footer-col h4 {
        font-family: var(--font-title);
        font-size: 15px;
        font-weight: 700;
        color: var(--color-white);
        margin: 0 0 16px;
        letter-spacing: 0.5px;
    }
    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul li a {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: rgba(255, 255, 255, 0.65);
        font-size: 14px;
        transition: color 0.25s ease;
    }
    .footer-col ul li a:hover {
        color: var(--color-accent);
    }
    .footer-col ul li a i {
        font-size: 11px;
        color: var(--color-accent);
    }
    .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 18px;
        color: var(--color-white);
        margin-bottom: 12px;
    }
    .footer-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--color-accent);
        color: var(--color-primary-dark);
        font-size: 14px;
    }
    .footer-brand-col p {
        font-size: 14px;
        line-height: 1.75;
        color: rgba(255, 255, 255, 0.55);
        margin: 0;
        max-width: 300px;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        padding-top: 20px;
        font-size: 12.5px;
        color: rgba(255, 255, 255, 0.45);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.55);
    }
    .footer-bottom a:hover {
        color: var(--color-accent);
    }
    .footer-bottom .footer-meta-links {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
        .scope-hero-inner {
            padding: 40px 32px;
        }
        .scope-hero-text h1 {
            font-size: 32px;
        }
        .scope-layout {
            grid-template-columns: 240px 1fr;
            gap: 24px;
        }
        .scope-data-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
    }
    @media (max-width: 768px) {
        .nav-toggle {
            display: inline-flex;
        }
        .nav-links {
            display: none;
            width: 100%;
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
            order: 10;
        }
        .nav-links.mobile-open {
            display: flex;
        }
        .nav-links .nav-item {
            justify-content: flex-start;
            width: 100%;
        }
        .nav-cta {
            display: none;
        }
        .nav-panel {
            position: relative;
        }
        .scope-hero-inner {
            flex-direction: column;
            padding: 32px 24px;
            gap: 24px;
        }
        .scope-hero-text h1 {
            font-size: 28px;
        }
        .scope-hero-visual {
            width: 100%;
            height: 180px;
        }
        .scope-layout {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .scope-anchor-nav {
            position: static;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 14px 12px;
            align-items: center;
        }
        .scope-anchor-nav .anchor-title {
            width: 100%;
            margin-bottom: 6px;
            padding-bottom: 8px;
        }
        .scope-anchor-nav ul {
            flex-direction: row;
            flex-wrap: wrap;
            gap: 6px;
        }
        .scope-anchor-nav ul li a {
            padding: 8px 12px;
            font-size: 13px;
            border-left: none;
            border: 1px solid var(--color-border);
        }
        .scope-anchor-nav ul li a.active {
            border-left: 1px solid var(--color-accent);
            background: var(--color-primary);
            color: var(--color-white);
        }
        .scope-anchor-nav ul li a.active .anchor-num {
            background: var(--color-accent);
            color: var(--color-primary-dark);
        }
        .anchor-help-card {
            display: none;
        }
        .scope-section-block {
            padding: 24px 20px;
        }
        .scope-section-block .section-header h2 {
            font-size: 19px;
        }
        .scope-data-grid {
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .scope-data-item .data-number {
            font-size: 26px;
        }
        .scope-cta-panel {
            padding: 32px 24px;
            flex-direction: column;
            text-align: left;
        }
        .scope-cta-actions {
            width: 100%;
        }
        .scope-cta-actions .btn-accent,
        .scope-cta-actions .btn-white-outline {
            flex: 1;
            justify-content: center;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }
    }
    @media (max-width: 480px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .site-header {
            padding: 8px 10px;
        }
        .nav-panel {
            padding: 8px 12px;
        }
        .scope-hero-inner {
            padding: 24px 18px;
            border-radius: var(--radius-md);
        }
        .scope-hero-text h1 {
            font-size: 24px;
        }
        .scope-hero-text .hero-sub {
            font-size: 14px;
        }
        .hero-stat-strip {
            gap: 16px;
        }
        .hero-stat-strip .stat-item strong {
            font-size: 22px;
        }
        .scope-main {
            padding: 24px 0 48px;
        }
        .scope-section-block .section-header {
            flex-direction: column;
            gap: 10px;
        }
        .scope-section-block .section-num {
            width: 36px;
            height: 36px;
            font-size: 15px;
        }
        .scope-section-block .section-header h2 {
            font-size: 17px;
        }
        .scope-section-block .section-body {
            font-size: 14.5px;
        }
        .scope-data-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }
        .faq-question {
            padding: 14px 16px;
        }
        .faq-question .faq-q-text {
            font-size: 14.5px;
        }
        .scope-cta-panel {
            padding: 24px 18px;
        }
        .scope-cta-text h2 {
            font-size: 20px;
        }
    }

/* roulang page: category7 */
:root {
  --color-primary: #0D3B3E;
  --color-primary-dark: #0A2F31;
  --color-primary-mid: #12504F;
  --color-accent: #C2964B;
  --color-accent-dark: #B8893A;
  --color-bg-warm: #F6F4EF;
  --color-bg-soft: #F1EEE7;
  --color-bg-sage: #E3E8E4;
  --color-text: #2B2B2B;
  --color-text-weak: #5A5A5A;
  --color-text-muted: #7A7A7A;
  --color-border: #DDD8CE;
  --color-danger: #7A3E2E;
  --color-white: #FFFFFF;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 8px 24px rgba(13, 59, 62, 0.10);
  --font-title: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --spacing-section: 72px;
  --spacing-section-mobile: 48px;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text);
  background-color: var(--color-bg-warm);
  margin: 0;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.25s ease;
}

button,
input,
textarea,
select {
  font-family: var(--font-body);
  font-size: 15px;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

button:focus,
a:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========== HEADER / NAV ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 12px 16px;
  background: rgba(246, 244, 239, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-panel {
  max-width: 1240px;
  margin: 0 auto;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.nav-logo .logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-accent);
  font-size: 16px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
  justify-content: center;
}

.nav-links .nav-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  color: var(--color-text-weak);
  background: var(--color-bg-warm);
  border: 1px solid transparent;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.nav-links .nav-item i {
  font-size: 13px;
  color: var(--color-accent);
  transition: color 0.25s ease;
}

.nav-links .nav-item:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.nav-links .nav-item:hover i {
  color: var(--color-accent);
}

.nav-links .nav-item.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  font-weight: 700;
}

.nav-links .nav-item.active i {
  color: var(--color-accent);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-sm);
  border: none;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.nav-cta i {
  color: var(--color-accent);
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 20px;
  transition: background 0.25s ease;
}

.nav-toggle:hover {
  background: var(--color-primary-dark);
}

/* ========== PAGE HERO (compact) ========== */
.compact-hero {
  padding: 32px 0 40px;
  background: linear-gradient(160deg, #0D3B3E 0%, #12504F 55%, #0A2F31 100%);
  position: relative;
  overflow: hidden;
}

.compact-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 2px solid rgba(194, 150, 75, 0.25);
  pointer-events: none;
}

.compact-hero::before {
  content: "";
  position: absolute;
  left: -50px;
  bottom: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(194, 150, 75, 0.08);
  pointer-events: none;
}

.compact-hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.compact-hero-content {
  flex: 1 1 60%;
}

.compact-hero-content h1 {
  font-family: var(--font-title);
  font-size: 34px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--color-white);
  margin: 0 0 12px;
}

.compact-hero-content h1 .accent-text {
  color: var(--color-accent);
}

.compact-hero-content p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
  max-width: 620px;
}

.compact-hero-badge {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  min-width: 180px;
  backdrop-filter: blur(8px);
}

.compact-hero-badge .badge-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.2;
}

.compact-hero-badge .badge-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.5px;
}

/* ========== SECTION BASE ========== */
.section {
  padding: var(--spacing-section) 0;
}

.section--warm {
  background: var(--color-bg-warm);
}

.section--white {
  background: var(--color-white);
}

.section--soft {
  background: var(--color-bg-soft);
}

.section--sage {
  background: var(--color-bg-sage);
}

.section--dark {
  background: var(--color-primary);
}

.section-head {
  margin-bottom: 36px;
}

.section-head h2 {
  font-family: var(--font-title);
  font-size: 26px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 0 10px;
  line-height: 1.4;
}

.section-head p {
  color: var(--color-text-weak);
  font-size: 15px;
  margin: 0;
  max-width: 720px;
}

.section-head .section-tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

/* ========== DYNAMIC OVERVIEW ========== */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.overview-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all 0.3s ease;
}

.overview-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  border-color: var(--color-accent);
}

.overview-item .ov-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-warm);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border: 1px solid var(--color-border);
}

.overview-item .ov-text h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 4px;
}

.overview-item .ov-text p {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0;
}

/* ========== NEWS LIST ========== */
.news-list-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.news-item {
  display: flex;
  gap: 24px;
  padding: 28px 24px;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  transition: all 0.3s ease;
  position: relative;
}

.news-item:first-child {
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
  border-top: 1px solid var(--color-border);
}

.news-item:last-of-type {
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

.news-item:hover {
  background: var(--color-bg-soft);
}

.news-item .news-date {
  flex-shrink: 0;
  width: 110px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 4px;
}

.news-item .news-date .date-day {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.news-item .news-date .date-month {
  font-size: 13px;
  color: var(--color-accent-dark);
  font-weight: 600;
  letter-spacing: 1px;
}

.news-item .news-content {
  flex: 1;
}

.news-item .news-content h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 8px;
  line-height: 1.5;
}

.news-item .news-content p {
  font-size: 14px;
  color: var(--color-text-weak);
  margin: 0 0 12px;
  line-height: 1.8;
}

.news-item .news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent-dark);
  transition: all 0.25s ease;
}

.news-item .news-link i {
  transition: transform 0.25s ease;
}

.news-item .news-link:hover {
  color: var(--color-primary);
}

.news-item .news-link:hover i {
  transform: translateX(4px);
}

.news-item .news-tag {
  display: inline-block;
  background: var(--color-bg-sage);
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 20px;
  margin-left: 10px;
}

/* ========== DEEP CONTENT ========== */
.deep-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.deep-content-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  box-shadow: var(--shadow-sm);
}

.deep-content-card h3 {
  font-family: var(--font-title);
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 14px;
}

.deep-content-card p {
  font-size: 15px;
  color: var(--color-text-weak);
  line-height: 1.9;
  margin: 0 0 16px;
}

.deep-content-card p:last-child {
  margin-bottom: 0;
}

/* ========== CTA BANNER ========== */
.cta-banner {
  background: var(--color-primary);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-banner-text h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-white);
  margin: 0 0 6px;
}

.cta-banner-text p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.cta-btn:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.cta-btn i {
  color: var(--color-primary-dark);
}

/* ========== DATA PANEL ========== */
.data-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.data-panel-item {
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.data-panel-item:last-child {
  border-right: none;
}

.data-panel-item .dp-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.2;
}

.data-panel-item .dp-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 4px;
}

/* ========== FAQ ========== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  text-align: left;
  background: transparent;
  transition: background 0.25s ease;
}

.faq-question:hover {
  background: var(--color-bg-soft);
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bg-sage);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: transform 0.25s ease;
}

.faq-item.open .faq-question .faq-icon {
  transform: rotate(45deg);
  background: var(--color-accent);
  color: var(--color-white);
}

.faq-answer {
  display: none;
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--color-text-weak);
  line-height: 1.85;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ========== PAGINATION ========== */
.pagination-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 30px 0 10px;
  flex-wrap: wrap;
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-weak);
  transition: all 0.25s ease;
}

.pagination-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.pagination-btn.active-page {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  font-weight: 700;
}

.pagination-btn.page-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 56px 0 20px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-white);
  margin-bottom: 14px;
}

.footer-logo .logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-size: 16px;
}

.footer-brand-col p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  margin: 0;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  margin: 0 0 14px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-col ul li a i {
  font-size: 11px;
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom p {
  font-size: 12px;
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
}

.footer-bottom a:hover {
  color: var(--color-accent);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .nav-links .nav-item {
    padding: 7px 10px;
    font-size: 13px;
  }
  .nav-cta {
    padding: 9px 16px;
    font-size: 13px;
  }
  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-panel {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-panel-item:nth-child(2) {
    border-right: none;
  }
  .data-panel-item:nth-child(1),
  .data-panel-item:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-section: 48px;
  }
  .section {
    padding: var(--spacing-section-mobile) 0;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 4px;
    padding-top: 10px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links .nav-item {
    width: 100%;
    justify-content: flex-start;
  }
  .nav-cta {
    display: none;
  }
  .nav-cta.mobile-visible {
    display: inline-flex;
    width: 100%;
    justify-content: center;
    margin-top: 8px;
  }
  .compact-hero .container {
    flex-direction: column;
    align-items: flex-start;
  }
  .compact-hero-content h1 {
    font-size: 26px;
  }
  .compact-hero-badge {
    min-width: auto;
    width: 100%;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  .overview-grid {
    grid-template-columns: 1fr;
  }
  .news-item {
    flex-direction: column;
    gap: 12px;
    padding: 20px 16px;
  }
  .news-item .news-date {
    width: auto;
    flex-direction: row;
    gap: 8px;
    align-items: baseline;
    justify-content: flex-start;
  }
  .deep-content-grid {
    grid-template-columns: 1fr;
  }
  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: 28px 20px;
  }
  .data-panel {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .nav-panel {
    padding: 8px 12px;
  }
  .nav-logo {
    font-size: 17px;
  }
  .nav-logo .logo-icon {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }
  .compact-hero-content h1 {
    font-size: 22px;
  }
  .compact-hero-content p {
    font-size: 14px;
  }
  .section-head h2 {
    font-size: 21px;
  }
  .data-panel {
    grid-template-columns: 1fr;
  }
  .data-panel-item,
  .data-panel-item:nth-child(2) {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }
  .data-panel-item:last-child {
    border-bottom: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .pagination-btn {
    min-width: 34px;
    height: 34px;
    padding: 0 10px;
    font-size: 12px;
  }
}