/* roulang page: index */
:root {
            --brand-primary: #1F5C4A;
            --brand-primary-dark: #0F3A2E;
            --brand-secondary: #C4A46B;
            --accent: #D97A45;
            --bg-body: #FAF8F4;
            --bg-section: #F1EBE1;
            --bg-dark: #0F3A2E;
            --text-main: #24342E;
            --text-secondary: #64756D;
            --line-border: #E4DCCF;
            --white: #FFFFFF;
            --radius-card: 12px;
            --radius-block: 16px;
            --shadow-hover: 0 12px 28px rgba(15, 58, 46, 0.12);
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        h1, h2, h3, h4, h5, h6 {
            margin-top: 0;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
        }
        p {
            margin-top: 0;
        }
        button, input, select, textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-padding {
            padding-top: 96px;
            padding-bottom: 96px;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding-top: 64px;
                padding-bottom: 64px;
            }
        }
        @media (max-width: 520px) {
            .section-padding {
                padding-top: 48px;
                padding-bottom: 48px;
            }
        }

        .section-title {
            font-size: clamp(28px, 3.6vw, 36px);
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            color: var(--text-main);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #EEE6DA;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--brand-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .site-logo .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--brand-primary);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--brand-secondary);
            border-radius: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--brand-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: var(--brand-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(15, 58, 46, 0.2);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--brand-primary);
            color: var(--brand-primary);
        }
        .btn-outline:hover {
            background-color: rgba(31, 92, 74, 0.08);
        }
        .btn-accent {
            background-color: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background-color: #c96530;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(217, 122, 69, 0.3);
        }
        .btn:focus-visible {
            outline: 2px solid var(--brand-secondary);
            outline-offset: 2px;
        }
        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--line-border);
            border-radius: 8px;
            background: transparent;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--brand-primary);
        }
        .mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--line-border);
            padding: 16px 0 24px;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a.mobile-link {
            display: block;
            padding: 12px 24px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            border-left: 3px solid transparent;
        }
        .mobile-menu a.mobile-link.active,
        .mobile-menu a.mobile-link:hover {
            background: rgba(31, 92, 74, 0.06);
            border-left-color: var(--brand-primary);
            color: var(--brand-primary);
        }
        .mobile-menu .mobile-cta {
            display: flex;
            gap: 12px;
            padding: 16px 24px 0;
            flex-wrap: wrap;
        }

        @media (max-width: 900px) {
            .main-nav {
                display: none;
            }
            .header-actions .btn-outline {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
        }
        @media (max-width: 520px) {
            .header-actions .btn-primary {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 80vh;
            display: flex;
            align-items: center;
            background-image: linear-gradient(to right, rgba(250, 248, 244, 0.98) 0%, rgba(250, 248, 244, 0.88) 40%, rgba(250, 248, 244, 0.4) 100%),
                url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center right;
            position: relative;
            padding: 60px 0;
        }
        .hero-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(31, 92, 74, 0.08);
            border: 1px solid rgba(31, 92, 74, 0.15);
            color: var(--brand-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .hero h1 {
            font-size: clamp(34px, 4.5vw, 48px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 .highlight {
            color: var(--brand-primary);
            position: relative;
            border-bottom: 3px solid var(--brand-secondary);
            padding-bottom: 2px;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .hero-trust {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            border-top: 1px solid var(--line-border);
            padding-top: 20px;
        }
        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .hero-trust-item .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-secondary);
        }
        .hero-visual {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual .panel {
            background: rgba(255, 255, 255, 0.88);
            border: 1px solid var(--line-border);
            border-radius: var(--radius-block);
            padding: 32px;
            box-shadow: 0 20px 60px rgba(15, 58, 46, 0.12);
            width: 100%;
            max-width: 460px;
        }
        .hero-visual .panel-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--brand-primary);
            margin-bottom: 16px;
        }
        .hero-visual .quick-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hero-visual .quick-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            background: var(--bg-body);
            border: 1px solid var(--line-border);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            transition: all .25s ease;
        }
        .hero-visual .quick-link:hover {
            border-color: var(--brand-primary);
            background: rgba(31, 92, 74, 0.04);
            transform: translateX(4px);
        }
        .hero-visual .quick-link .arrow {
            color: var(--brand-primary);
            font-weight: 700;
        }
        @media (max-width: 900px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual .panel {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .hero {
                min-height: auto;
                padding: 48px 0;
            }
            .hero-trust {
                gap: 16px;
                flex-direction: column;
            }
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--bg-dark);
            padding: 48px 0;
            color: #fff;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-item {
            text-align: center;
            padding: 16px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand-secondary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item:nth-child(2) {
                border-right: none;
            }
            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-top: 1px solid rgba(255, 255, 255, 0.1);
            }
        }
        @media (max-width: 520px) {
            .stat-number {
                font-size: 28px;
            }
        }

        /* ===== Timeline ===== */
        .timeline-section {
            background: var(--bg-section);
        }
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 20px;
        }
        .timeline-card {
            background: #fff;
            border: 1px solid var(--line-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            position: relative;
            transition: all .3s ease;
        }
        .timeline-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--brand-secondary);
            border-radius: 3px 3px 0 0;
            opacity: 0;
            transition: opacity .3s ease;
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(31, 92, 74, 0.3);
        }
        .timeline-card:hover::before {
            opacity: 1;
        }
        .timeline-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 16px;
        }
        .timeline-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .timeline-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .timeline-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .timeline-link:hover {
            gap: 8px;
        }
        @media (max-width: 900px) {
            .timeline-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .timeline-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Feature ===== */
        .feature-section {
            background: var(--bg-body);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: 0.85fr 1.15fr;
            gap: 60px;
            align-items: center;
        }
        .feature-image {
            border-radius: var(--radius-block);
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(15, 58, 46, 0.1);
            position: relative;
        }
        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
            transition: transform .5s ease;
        }
        .feature-image:hover img {
            transform: scale(1.03);
        }
        .feature-left {
            padding-right: 10px;
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .feature-item {
            display: flex;
            gap: 16px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--line-border);
            transition: all .3s ease;
        }
        .feature-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .feature-item .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(31, 92, 74, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--brand-primary);
            flex-shrink: 0;
        }
        .feature-item h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .feature-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .feature-item .feature-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .feature-item:hover {
            transform: translateX(6px);
        }
        @media (max-width: 900px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .feature-image img {
                min-height: 220px;
            }
        }

        /* ===== News ===== */
        .news-section {
            background: var(--bg-section);
        }
        .news-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--line-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            transition: all .3s ease;
            cursor: pointer;
        }
        .news-card:hover {
            border-color: var(--brand-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .news-card .news-thumb {
            width: 90px;
            height: 70px;
            border-radius: 8px;
            background: var(--bg-section);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--brand-secondary);
        }
        .news-card .news-body {
            flex: 1;
            min-width: 0;
        }
        .news-card .news-cat {
            display: inline-block;
            background: rgba(31, 92, 74, 0.08);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
            margin-bottom: 6px;
        }
        .news-card .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .news-card .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .news-more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 0;
        }
        .news-more-link:hover {
            gap: 10px;
        }
        .empty-tip {
            background: #fff;
            border: 1px dashed var(--line-border);
            border-radius: var(--radius-card);
            padding: 40px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 15px;
        }
        @media (max-width: 768px) {
            .news-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
                gap: 12px;
            }
            .news-card .news-meta {
                width: 100%;
                justify-content: space-between;
            }
        }

        /* ===== Compare ===== */
        .compare-section {
            background: var(--bg-body);
        }
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 20px;
        }
        .compare-card {
            background: #fff;
            border: 2px solid var(--line-border);
            border-radius: var(--radius-block);
            padding: 32px 28px;
            position: relative;
            display: flex;
            flex-direction: column;
            transition: all .3s ease;
        }
        .compare-card:hover {
            border-color: var(--brand-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .compare-card.recommended {
            border-color: var(--brand-primary);
            box-shadow: 0 8px 24px rgba(31, 92, 74, 0.08);
        }
        .compare-card .recommend-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 999px;
            letter-spacing: 1px;
        }
        .compare-card .compare-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            text-align: center;
        }
        .compare-card .compare-sub {
            font-size: 14px;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 24px;
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 28px 0;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .compare-card ul li {
            font-size: 14px;
            color: var(--text-main);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .compare-card ul li::before {
            content: '✓';
            color: var(--brand-primary);
            font-weight: 700;
            flex-shrink: 0;
        }
        .compare-card .btn {
            justify-content: center;
            width: 100%;
        }
        @media (max-width: 900px) {
            .compare-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin-left: auto;
                margin-right: auto;
            }
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--bg-dark);
            color: #fff;
        }
        .process-section .section-title {
            color: #fff;
        }
        .process-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 20px;
        }
        .process-step {
            text-align: center;
            padding: 24px 16px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            transition: all .3s ease;
            background: rgba(255, 255, 255, 0.03);
        }
        .process-step:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--brand-secondary);
            transform: translateY(-4px);
        }
        .process-step .process-num {
            width: 52px;
            height: 52px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .process-step h3 {
            font-size: 17px;
            color: #fff;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 900px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-section);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line-border);
            border-radius: 0;
            margin-bottom: -1px;
            overflow: hidden;
            transition: all .3s ease;
        }
        .faq-item:first-child {
            border-radius: 12px 12px 0 0;
        }
        .faq-item:last-child {
            border-radius: 0 0 12px 12px;
            margin-bottom: 0;
        }
        .faq-item.open {
            border-color: var(--brand-primary);
            box-shadow: 0 4px 16px rgba(31, 92, 74, 0.06);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: background .3s ease;
            user-select: none;
        }
        .faq-question:hover {
            background: rgba(31, 92, 74, 0.03);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--line-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--brand-primary);
            flex-shrink: 0;
            transition: transform .3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid #f0ebe3;
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-primary-dark) 0%, #1a4a3c 100%);
            padding: 80px 0;
            color: #fff;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: start;
        }
        .cta-left .section-title {
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-left p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .cta-points {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .cta-point {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }
        .cta-point .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-secondary);
            flex-shrink: 0;
        }
        .cta-form {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-block);
            padding: 32px;
            backdrop-filter: blur(4px);
        }
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 6px;
        }
        .form-input {
            width: 100%;
            height: 48px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 0 16px;
            font-size: 15px;
            outline: none;
            transition: all .3s ease;
            margin-bottom: 18px;
        }
        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .form-input:focus {
            border-color: var(--brand-secondary);
            box-shadow: 0 0 0 3px rgba(196, 164, 107, 0.2);
        }
        .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath stroke='white' stroke-width='1.5' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }
        .form-select option {
            color: var(--text-main);
            background: #fff;
        }
        .submit-btn {
            width: 100%;
            height: 48px;
            border-radius: 8px;
            border: none;
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all .3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .submit-btn:hover {
            background: #d4b880;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
        }
        .submit-btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        @media (max-width: 900px) {
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            padding: 64px 0 24px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .site-logo .logo-mark {
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 20px;
        }
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-secondary);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }
        .footer-links a:hover {
            color: var(--brand-secondary);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 13px;
            color: #A9B8B2;
            flex-wrap: wrap;
            gap: 12px;
        }
        .back-to-top {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: none;
            background: var(--brand-primary);
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            z-index: 999;
            box-shadow: 0 4px 16px rgba(15, 58, 46, 0.25);
            transition: all .3s ease;
            opacity: 0;
            visibility: hidden;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--brand-primary-dark);
            transform: translateY(-4px);
        }
        .back-to-top:focus-visible {
            outline: 2px solid var(--brand-secondary);
            outline-offset: 2px;
        }
        @media (max-width: 900px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --brand-primary: #1F5C4A;
            --brand-primary-dark: #0F3A2E;
            --brand-secondary: #C4A46B;
            --accent: #D97A45;
            --bg-body: #FAF8F4;
            --bg-section: #F1EBE1;
            --bg-dark: #0F3A2E;
            --text-main: #24342E;
            --text-secondary: #64756D;
            --line-border: #E4DCCF;
            --white: #FFFFFF;
            --radius-lg: 16px;
            --radius-card: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 2px 8px rgba(15, 58, 46, 0.06);
            --shadow-hover: 0 12px 28px rgba(15, 58, 46, 0.12);
            --transition-base: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        ul,
        ol {
            list-style: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid #EEE6DA;
            height: 72px;
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-primary);
            white-space: nowrap;
        }

        .site-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--brand-primary);
            color: #fff;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 1px;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .main-nav a {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: 8px;
            position: relative;
            transition: all var(--transition-base);
        }

        .main-nav a:hover {
            color: var(--brand-primary);
            background: rgba(31, 92, 74, 0.06);
        }

        .main-nav a.active {
            color: var(--brand-primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--brand-secondary);
            border-radius: 2px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }

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

        .btn-outline {
            background: transparent;
            color: var(--brand-primary);
            border-color: var(--brand-primary);
        }

        .btn-outline:hover {
            background: rgba(31, 92, 74, 0.08);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: #c96535;
            border-color: #c96535;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--line-border);
            border-radius: 8px;
            cursor: pointer;
            padding: 8px;
        }

        .menu-toggle span {
            display: block;
            height: 2px;
            background: var(--brand-primary);
            border-radius: 2px;
            width: 100%;
            transition: all var(--transition-base);
        }

        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            background: linear-gradient(120deg, rgba(15, 58, 46, 0.94), rgba(31, 92, 74, 0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 72px 0 56px;
            color: #fff;
        }

        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .article-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-base);
        }

        .article-hero .breadcrumb a:hover {
            color: var(--brand-secondary);
        }

        .article-hero .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.5);
        }

        .article-hero .breadcrumb .current {
            color: var(--brand-secondary);
        }

        .article-hero h1 {
            font-size: clamp(24px, 3.6vw, 34px);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            max-width: 800px;
            color: #fff;
        }

        .article-hero .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
        }

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

        /* ===== Article Main ===== */
        .article-main {
            padding: 56px 0 40px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 48px;
            align-items: start;
        }

        .article-content {
            background: #fff;
            border: 1px solid var(--line-border);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow-card);
            min-width: 0;
        }

        .article-content-body {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-main);
        }

        .article-content-body h2 {
            font-size: 26px;
            font-weight: 700;
            margin-top: 2em;
            margin-bottom: 0.8em;
            padding-bottom: 0.4em;
            border-bottom: 2px solid var(--line-border);
            color: var(--text-main);
        }

        .article-content-body h3 {
            font-size: 21px;
            font-weight: 600;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: var(--text-main);
        }

        .article-content-body h4 {
            font-size: 18px;
            font-weight: 600;
            margin-top: 1.6em;
            margin-bottom: 0.5em;
            color: var(--text-main);
        }

        .article-content-body p {
            margin-bottom: 1.5em;
        }

        .article-content-body ul {
            margin: 1em 0 1.5em;
            padding-left: 0;
        }

        .article-content-body ul li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 0.5em;
        }

        .article-content-body ul li::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 0.72em;
            width: 8px;
            height: 8px;
            background: var(--brand-secondary);
            border-radius: 50%;
        }

        .article-content-body ol {
            margin: 1em 0 1.5em;
            padding-left: 1.4em;
            list-style: decimal;
        }

        .article-content-body ol li {
            margin-bottom: 0.5em;
            padding-left: 6px;
        }

        .article-content-body blockquote {
            border-left: 4px solid var(--brand-secondary);
            padding: 1em 1.5em;
            background: var(--bg-section);
            border-radius: 0 10px 10px 0;
            margin: 1.8em 0;
            color: var(--text-secondary);
            font-size: 15px;
        }

        .article-content-body blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-content-body img {
            border-radius: var(--radius-card);
            margin: 1.8em 0;
            width: 100%;
            object-fit: cover;
        }

        .article-content-body a {
            color: var(--brand-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(31, 92, 74, 0.3);
            transition: text-decoration-color var(--transition-base);
        }

        .article-content-body a:hover {
            text-decoration-color: var(--brand-primary);
        }

        .article-content-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 15px;
        }

        .article-content-body table th,
        .article-content-body table td {
            border: 1px solid var(--line-border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content-body table th {
            background: var(--bg-section);
            font-weight: 600;
        }

        /* Not Found */
        .not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 15px;
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            position: sticky;
            top: 96px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-toc {
            background: #fff;
            border: 1px solid var(--line-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            padding-bottom: 12px;
            border-bottom: 1px solid var(--line-border);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-title::before {
            content: '';
            width: 4px;
            height: 16px;
            background: var(--brand-secondary);
            border-radius: 2px;
        }

        .toc-list {
            max-height: 340px;
            overflow-y: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-secondary) transparent;
        }

        .toc-list::-webkit-scrollbar {
            width: 4px;
        }

        .toc-list::-webkit-scrollbar-thumb {
            background: var(--brand-secondary);
            border-radius: 4px;
        }

        .toc-list li {
            margin-bottom: 2px;
        }

        .toc-list a {
            display: block;
            padding: 6px 10px;
            font-size: 14px;
            color: var(--text-secondary);
            border-radius: 6px;
            border-left: 2px solid transparent;
            transition: all var(--transition-base);
        }

        .toc-list a:hover {
            color: var(--brand-primary);
            background: rgba(31, 92, 74, 0.04);
            border-left-color: var(--brand-secondary);
        }

        .toc-list a.active {
            color: var(--brand-primary);
            font-weight: 600;
            border-left-color: var(--brand-primary);
            background: rgba(31, 92, 74, 0.05);
        }

        .toc-list:empty::after {
            content: '暂无目录';
            display: block;
            padding: 12px;
            font-size: 13px;
            color: var(--text-secondary);
            text-align: center;
        }

        .sidebar-card {
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
            border-radius: var(--radius-card);
            padding: 28px 24px;
            color: #fff;
        }

        .sidebar-card .sidebar-badge {
            display: inline-block;
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .sidebar-card h4 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .sidebar-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 20px;
        }

        .sidebar-card .btn {
            width: 100%;
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
            border-color: var(--brand-secondary);
            font-weight: 700;
        }

        .sidebar-card .btn:hover {
            background: #d4b685;
            border-color: #d4b685;
            transform: translateY(-2px);
        }

        /* ===== Toolbar ===== */
        .article-toolbar {
            padding: 0 0 48px;
        }

        .toolbar-inner {
            background: #fff;
            border: 1px solid var(--line-border);
            border-radius: var(--radius-card);
            padding: 24px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            box-shadow: var(--shadow-card);
            max-width: 880px;
            margin: 0 auto;
        }

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

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-primary);
            background: rgba(31, 92, 74, 0.06);
            border: 1px solid rgba(31, 92, 74, 0.15);
            padding: 5px 14px;
            border-radius: 999px;
            transition: all var(--transition-base);
        }

        .tag:hover {
            background: rgba(31, 92, 74, 0.12);
            border-color: rgba(31, 92, 74, 0.25);
        }

        .share {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .share-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--line-border);
            color: var(--text-secondary);
            font-size: 15px;
            background: #fff;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .share-btn:hover {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
            transform: translateY(-2px);
        }

        /* ===== Related ===== */
        .related-section {
            padding: 48px 0 64px;
            background: var(--bg-section);
        }

        .related-section .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 36px;
        }

        .related-section .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
        }

        .related-section .section-heading .section-more {
            font-size: 14px;
            color: var(--brand-primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .related-section .section-heading .section-more:hover {
            color: var(--brand-primary-dark);
        }

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

        .related-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--line-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }

        .related-card:hover {
            border-color: var(--brand-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.03);
        }

        .related-thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-section);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .related-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-date {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .related-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 48px;
        }

        .related-more {
            margin-top: auto;
            font-size: 14px;
            color: var(--brand-primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .related-card:hover .related-more {
            color: var(--accent);
        }

        /* ===== Back Section ===== */
        .back-section {
            padding: 56px 0 80px;
            background: var(--bg-body);
        }

        .back-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            background: linear-gradient(120deg, var(--bg-section), rgba(196, 164, 107, 0.15));
            border: 1px solid var(--line-border);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            flex-wrap: wrap;
        }

        .back-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .back-text p {
            font-size: 15px;
            color: var(--text-secondary);
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .site-logo .logo-mark {
            background: var(--brand-secondary);
            color: var(--brand-primary-dark);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            max-width: 320px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--brand-secondary);
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.72);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-links a:hover {
            color: var(--brand-secondary);
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

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

        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-hover);
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: all var(--transition-base);
            z-index: 200;
            border: none;
            cursor: pointer;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            background: var(--brand-primary-dark);
            transform: translateY(-3px);
        }

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

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
            }

            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--line-border);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                display: none;
                box-shadow: 0 8px 24px rgba(15, 58, 46, 0.08);
            }

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

            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 12px;
                font-size: 16px;
            }

            .main-nav a.active::after {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }

            .article-hero {
                padding: 48px 0 40px;
            }

            .article-content {
                padding: 28px 24px;
                border-radius: var(--radius-card);
            }

            .article-content-body {
                font-size: 16px;
            }

            .toolbar-inner {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
            }

            .related-section .section-heading {
                flex-direction: column;
                align-items: flex-start;
                margin-bottom: 24px;
            }

            .back-section {
                padding: 40px 0 56px;
            }

            .back-inner {
                padding: 28px 24px;
                flex-direction: column;
                align-items: flex-start;
            }

            .back-actions {
                width: 100%;
            }

            .back-actions .btn {
                flex: 1;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 40px;
                height: 40px;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 22px;
            }

            .article-content {
                padding: 20px 16px;
            }

            .article-content-body {
                font-size: 15px;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }

            .related-body h4 {
                font-size: 16px;
            }

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

        /* Focus visible for accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--brand-secondary);
            outline-offset: 2px;
        }

        .btn:focus-visible {
            outline: 2px solid var(--brand-secondary);
            outline-offset: 3px;
        }

/* roulang page: category1 */
:root {
  --primary: #1F5C4A;
  --primary-dark: #0F3A2E;
  --secondary: #C4A46B;
  --accent: #D97A45;
  --bg-body: #FAF8F4;
  --bg-section: #F1EBE1;
  --bg-dark: #0F3A2E;
  --text-main: #24342E;
  --text-secondary: #64756D;
  --line-border: #E4DCCF;
  --white: #FFFFFF;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; line-height: 1.7; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
.container-custom { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.site-logo { display: flex; align-items: center; gap: 10px; font-size: 1.08rem; font-weight: 700; color: var(--primary-dark); white-space: nowrap; }
.logo-mark { display: inline-flex; align-items: center; justify-content: center; background: var(--primary); color: #fff; border-radius: 8px; font-size: 0.82rem; padding: 5px 7px; letter-spacing: 1px; }
.main-nav { display: flex; gap: 28px; align-items: center; }
.main-nav a { font-size: 0.92rem; font-weight: 500; color: var(--text-main); padding: 6px 2px; position: relative; transition: color .25s; }
.main-nav a::after { content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--secondary); transition: width .25s; }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.main-nav a:hover { color: var(--primary); }
.main-nav a.active { color: var(--primary); font-weight: 600; }
.header-actions { display: flex; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border-radius: 999px; padding: 10px 22px; font-size: 0.9rem; font-weight: 600; border: 1px solid transparent; transition: all .25s; text-align: center; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15,58,46,0.18); }
.btn-outline { background: transparent; border-color: var(--primary); color: var(--primary); }
.btn-outline:hover { background: rgba(31,92,74,0.08); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: #c96835; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(217,122,69,0.25); }
.btn-white-outline { background: transparent; border-color: rgba(255,255,255,0.6); color: #fff; }
.btn-white-outline:hover { background: rgba(255,255,255,0.1); }
.btn-lg { padding: 14px 36px; font-size: 1rem; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line-border); border-radius: 8px; padding: 8px 10px; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text-main); margin: 3px 0; border-radius: 2px; }
.mobile-menu { background: #fff; border-top: 1px solid var(--line-border); }
.mobile-menu a { display: block; padding: 12px 0; font-size: 0.95rem; font-weight: 500; color: var(--text-main); border-bottom: 1px solid rgba(228,220,207,0.4); }
.mobile-menu a.active { color: var(--primary); font-weight: 600; }
.page-banner { position: relative; overflow: hidden; background: var(--bg-dark); padding: 68px 0 72px; }
.page-banner::after { content: ''; display: block; height: 4px; background: linear-gradient(90deg, var(--secondary), transparent 100%); }
.banner-bg { position: absolute; inset: 0; opacity: 0.18; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; }
.banner-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(15,58,46,0.98) 0%, rgba(15,58,46,0.88) 60%, rgba(15,58,46,0.65) 100%); }
.banner-content { position: relative; z-index: 2; }
.tag-badge { display: inline-block; background: rgba(31,92,74,0.08); color: var(--primary); border: 1px solid rgba(31,92,74,0.15); font-size: 0.8rem; font-weight: 600; padding: 4px 14px; border-radius: 999px; letter-spacing: 0.3px; }
.tag-badge-light { display: inline-block; background: rgba(255,255,255,0.1); color: var(--secondary); border: 1px solid rgba(255,255,255,0.18); font-size: 0.8rem; font-weight: 600; padding: 4px 14px; border-radius: 999px; letter-spacing: 0.3px; }
.hover-card { box-shadow: 0 2px 8px rgba(15,58,46,0.04); transition: box-shadow .3s, border-color .3s, transform .3s; }
.hover-card:hover { box-shadow: 0 12px 28px rgba(15,58,46,0.12); transform: translateY(-3px); }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.feature-icon { flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px; background: rgba(31,92,74,0.1); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 700; }
.faq-icon { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; background: rgba(31,92,74,0.08); color: var(--primary); font-size: 1.2rem; font-weight: 400; transition: transform .3s, background .3s, color .3s; }
.faq-item { transition: border-color .3s, box-shadow .3s; }
.faq-item.active { border-color: rgba(31,92,74,0.35); box-shadow: 0 4px 16px rgba(15,58,46,0.06); }
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer { animation: fadeIn .3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.cta-band { position: relative; overflow: hidden; }
.back-to-top { position: fixed; right: 24px; bottom: 24px; width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; box-shadow: 0 4px 16px rgba(15,58,46,0.25); opacity: 0; visibility: hidden; transition: all .3s; z-index: 40; }
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.8); padding: 64px 0 24px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; color: rgba(255,255,255,0.65); margin: 14px 0 18px; max-width: 340px; }
.footer-title { font-size: 0.9rem; font-weight: 600; color: var(--secondary); letter-spacing: 0.5px; margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 7px; }
.footer-links a { color: rgba(255,255,255,0.7); font-size: 0.9rem; transition: color .2s; }
.footer-links a:hover { color: var(--secondary); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding-top: 24px; font-size: 0.8rem; color: #A9B8B2; }
@media (max-width: 1024px) {
  .main-nav, .header-actions { display: none; }
  .nav-toggle { display: block; }
}
@media (max-width: 768px) {
  .container-custom { padding: 0 20px; }
  .page-banner { padding: 48px 0 52px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .container-custom { padding: 0 16px; }
  .site-logo { font-size: 0.92rem; }
  .logo-mark { font-size: 0.75rem; padding: 4px 5px; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .back-to-top { right: 16px; bottom: 16px; }
}

/* roulang page: category2 */
:root {
            --brand-primary: #1F5C4A;
            --brand-primary-dark: #0F3A2E;
            --brand-secondary: #C4A46B;
            --accent: #D97A45;
            --bg-body: #FAF8F4;
            --bg-section: #F1EBE1;
            --bg-dark: #0F3A2E;
            --text-main: #24342E;
            --text-secondary: #64756D;
            --line-border: #E4DCCF;
            --white: #FFFFFF;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 1px 4px rgba(15, 58, 46, 0.04);
            --shadow-hover: 0 12px 28px rgba(15, 58, 46, 0.12);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #EEE6DA;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 24px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-main);
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            letter-spacing: 1px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav a {
            display: inline-block;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--brand-primary);
            background: rgba(31, 92, 74, 0.06);
        }

        .main-nav a.active {
            color: var(--brand-primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 2px;
            height: 2px;
            background: var(--brand-secondary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--brand-primary);
            color: #fff;
        }

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

        .btn-outline {
            border: 1.5px solid var(--brand-primary);
            color: var(--brand-primary);
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(31, 92, 74, 0.08);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: #c96735;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--brand-secondary);
            outline-offset: 2px;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--bg-section);
        }

        .mobile-toggle span {
            width: 20px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid #EEE6DA;
            padding: 20px 24px 28px;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav a {
            display: block;
            padding: 12px 12px;
            font-size: 16px;
            font-weight: 500;
            border-radius: 8px;
            color: var(--text-main);
        }

        .mobile-nav a.active {
            background: rgba(31, 92, 74, 0.08);
            color: var(--brand-primary);
            font-weight: 600;
        }

        .mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }

        .mobile-actions .btn {
            justify-content: center;
            padding: 12px 20px;
        }

        @media (max-width: 1023px) {
            .main-nav {
                display: none;
            }
            .header-actions {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: var(--bg-dark);
            color: #fff;
            padding: 88px 0 76px;
            overflow: hidden;
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(15, 58, 46, 0.94) 0%, rgba(15, 58, 46, 0.78) 55%, rgba(15, 58, 46, 0.5) 100%);
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }

        .page-hero-tag {
            display: inline-block;
            background: rgba(196, 164, 107, 0.2);
            color: var(--brand-secondary);
            border: 1px solid rgba(196, 164, 107, 0.5);
            padding: 4px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }

        .page-hero-title {
            font-size: clamp(32px, 5vw, 44px);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: #fff;
        }

        .page-hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            max-width: 640px;
        }

        .page-hero-crumbs {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 22px;
        }

        .page-hero-crumbs a {
            color: var(--brand-secondary);
        }

        .page-hero-crumbs span {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 88px 0;
        }

        .section-sub {
            padding: 72px 0;
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 48px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(26px, 3.5vw, 34px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            letter-spacing: -0.4px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 12px;
            line-height: 1.8;
        }

        .section-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--white);
            border-bottom: 1px solid var(--line-border);
            padding: 40px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 12px 8px;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: var(--bg-section);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--brand-primary);
            line-height: 1.2;
        }

        .stat-num span {
            font-size: 20px;
            font-weight: 600;
            color: var(--brand-secondary);
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        @media (max-width: 767px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== Guide Cards ===== */
        .guide-section {
            background: var(--bg-body);
            padding: 88px 0;
        }

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

        .guide-card {
            background: var(--white);
            border: 1px solid var(--line-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--brand-secondary);
            transition: height 0.3s ease;
            z-index: 2;
        }

        .guide-card:hover {
            border-color: var(--brand-primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .guide-card:hover::before {
            height: 100%;
        }

        .guide-card-media {
            display: block;
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .guide-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .guide-card:hover .guide-card-media img {
            transform: scale(1.05);
        }

        .guide-card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 58, 46, 0.15), transparent 60%);
        }

        .guide-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-primary);
            background: rgba(31, 92, 74, 0.08);
            padding: 4px 12px;
            border-radius: 6px;
            width: fit-content;
            margin-bottom: 12px;
        }

        .guide-card-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .guide-card-title a {
            color: var(--text-main);
            transition: color 0.2s;
        }

        .guide-card-title a:hover {
            color: var(--brand-primary);
        }

        .guide-card-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
        }

        .guide-card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-primary);
            transition: gap 0.25s ease, color 0.2s;
            margin-top: auto;
            padding: 6px 0;
            min-height: 44px;
        }

        .guide-card-link:hover {
            color: var(--accent);
            gap: 12px;
        }

        @media (max-width: 1023px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 639px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 64px 0;
            }
            .guide-section {
                padding: 64px 0;
            }
        }

        /* ===== Path Section ===== */
        .path-section {
            background: var(--bg-section);
            padding: 88px 0;
        }

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

        .path-step {
            position: relative;
            background: var(--white);
            border: 1px solid var(--line-border);
            border-radius: var(--radius-md);
            padding: 28px 24px 24px;
            transition: var(--transition);
        }

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

        .path-step-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .path-step-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .path-step-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .path-arrow {
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--brand-secondary);
            font-size: 18px;
            z-index: 2;
        }

        @media (max-width: 1023px) {
            .path-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .path-arrow {
                display: none;
            }
        }

        @media (max-width: 639px) {
            .path-steps {
                grid-template-columns: 1fr;
            }
            .path-section {
                padding: 64px 0;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-body);
            padding: 88px 0;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--line-border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .faq-item.open {
            border-color: var(--brand-primary);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: transparent;
            transition: color 0.2s;
        }

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

        .faq-icon {
            position: relative;
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--brand-primary);
            border-radius: 1px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .faq-icon::before {
            left: 0;
            right: 0;
            top: 50%;
            height: 2px;
            transform: translateY(-50%);
        }

        .faq-icon::after {
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            transform: translateX(-50%);
        }

        .faq-item.open .faq-icon::after {
            transform: translateX(-50%) rotate(90deg);
            opacity: 0;
        }

        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 0.35s ease;
        }

        .faq-answer-inner {
            overflow: hidden;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            grid-template-rows: 1fr;
        }

        .faq-answer p {
            padding-bottom: 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        @media (max-width: 639px) {
            .faq-section {
                padding: 64px 0;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer-inner {
                padding: 0 18px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: var(--bg-dark);
            color: #fff;
            padding: 88px 0;
            overflow: hidden;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 58, 46, 0.95) 0%, rgba(31, 92, 74, 0.82) 100%);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-title {
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }

        .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-white {
            background: #fff;
            color: var(--brand-primary);
        }

        .btn-white:hover {
            background: var(--brand-secondary);
            color: var(--bg-dark);
            transform: translateY(-2px);
        }

        .btn-ghost-light {
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .cta-points {
            display: flex;
            justify-content: center;
            gap: 28px;
            margin-top: 40px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            flex-wrap: wrap;
        }

        .cta-points span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .cta-points span::before {
            content: '';
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--brand-secondary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 28px;
        }

        .footer-brand p {
            margin: 18px 0 22px;
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .site-footer .site-logo {
            color: #fff;
        }

        .site-footer .logo-mark {
            background: var(--brand-secondary);
            color: var(--bg-dark);
        }

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand-secondary);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s, padding-left 0.2s;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 1023px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 639px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer {
                padding: 48px 0 20px;
            }
        }

        /* ===== Float Actions ===== */
        .float-actions {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 90;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-online {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            border-radius: 50%;
            width: 52px;
            height: 52px;
            font-size: 13px;
            box-shadow: 0 6px 20px rgba(217, 122, 69, 0.35);
            transition: var(--transition);
        }

        .float-online:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 24px rgba(217, 122, 69, 0.45);
        }

        .back-top {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-primary);
            color: #fff;
            border-radius: 50%;
            width: 44px;
            height: 44px;
            font-size: 18px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(15, 58, 46, 0.25);
        }

        .back-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-top:hover {
            background: var(--brand-primary-dark);
            transform: translateY(-3px);
        }

        /* ===== Responsive Fixes ===== */
        @media (max-width: 767px) {
            .container-custom {
                padding: 0 16px;
            }
            .page-hero {
                padding: 64px 0 52px;
            }
            .page-hero-crumbs {
                font-size: 12px;
            }
        }

        @media (max-width: 1023px) {
            .section {
                padding: 64px 0;
            }
            .section-head {
                margin-bottom: 36px;
            }
        }