/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f0f2a;
            --primary-light: #1a1a3e;
            --accent: #c9a84c;
            --accent-hover: #dbb95c;
            --accent-light: rgba(201, 168, 76, 0.12);
            --red-milan: #c0392b;
            --red-milan-hover: #a93226;
            --bg-warm: #fcfaf7;
            --bg-light: #f8f6f3;
            --text-dark: #1a1a2e;
            --text-body: #3d3d4a;
            --text-muted: #7a7a8a;
            --text-light: #b0b0c0;
            --border-light: #e8e6e0;
            --border-accent: rgba(201, 168, 76, 0.3);
            --shadow-sm: 0 2px 8px rgba(15, 15, 42, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 15, 42, 0.08);
            --shadow-lg: 0 20px 50px rgba(15, 15, 42, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --nav-height: 76px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-warm);
            line-height: 1.65;
            padding-top: var(--nav-height);
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        ::selection {
            background: var(--accent);
            color: #fff;
        }

        /* ===== 容器 ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .navbar-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px) saturate(1.6);
            -webkit-backdrop-filter: blur(20px) saturate(1.6);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            padding: 0;
        }
        .navbar-main .container-custom {
            display: flex;
            align-items: center;
            height: 100%;
            justify-content: space-between;
        }
        .navbar-brand-main {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary) !important;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .navbar-brand-main .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .navbar-brand-main .brand-text {
            background: linear-gradient(135deg, var(--primary) 40%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links .nav-item-main {
            position: relative;
        }
        .nav-links .nav-link-main {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--text-body);
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .nav-links .nav-link-main:hover,
        .nav-links .nav-link-main:focus-visible {
            background: var(--accent-light);
            color: var(--primary);
        }
        .nav-links .nav-link-main.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-links .nav-link-main i {
            font-size: 0.8rem;
            opacity: 0.7;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            position: relative;
            width: 220px;
        }
        .nav-search input {
            width: 100%;
            padding: 8px 16px 8px 38px;
            border: 1px solid var(--border-light);
            border-radius: 50px;
            background: var(--bg-light);
            color: var(--text-dark);
            font-size: 0.87rem;
            transition: var(--transition);
            outline: none;
        }
        .nav-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-light);
            background: #fff;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .btn-cta-nav {
            padding: 8px 22px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff !important;
            font-size: 0.88rem;
            font-weight: 600;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-cta-nav:hover,
        .btn-cta-nav:focus-visible {
            background: var(--accent);
            color: var(--primary) !important;
            transform: translateY(-1px);
            box-shadow: 0 4px 15px rgba(201, 168, 76, 0.35);
        }
        .navbar-toggler-main {
            display: none;
            background: none;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            color: var(--text-dark);
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .navbar-toggler-main:hover {
            background: var(--accent-light);
            border-color: var(--accent);
        }
        @media (max-width: 992px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links .nav-link-main {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .navbar-toggler-main {
                display: block;
            }
            .nav-search {
                width: 160px;
            }
        }
        @media (max-width: 576px) {
            .nav-search {
                width: 120px;
            }
            .nav-search input {
                padding: 6px 12px 6px 32px;
                font-size: 0.8rem;
            }
            .nav-search .search-icon {
                left: 10px;
                font-size: 0.75rem;
            }
            .btn-cta-nav {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .navbar-brand-main {
                font-size: 1.05rem;
            }
            .navbar-brand-main .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 100px 0 110px;
            background: var(--primary);
            overflow: hidden;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.3;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 42, 0.88) 30%, rgba(15, 15, 42, 0.6) 70%, rgba(201, 168, 76, 0.15) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
            color: #fff;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(201, 168, 76, 0.18);
            border: 1px solid rgba(201, 168, 76, 0.3);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.82rem;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: 28px;
            letter-spacing: 0.3px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 0.7rem;
        }
        .hero-title {
            font-size: clamp(2.6rem, 6.5vw, 4.4rem);
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            color: #fff;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent) 20%, #e8d48b 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-subtitle {
            font-size: clamp(1.05rem, 2vw, 1.3rem);
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            max-width: 640px;
            margin: 0 auto 36px;
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            align-items: center;
        }
        .hero-actions .btn-primary-custom {
            padding: 14px 38px;
            border-radius: 50px;
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .hero-actions .btn-primary-custom:hover,
        .hero-actions .btn-primary-custom:focus-visible {
            background: #e8d48b;
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(201, 168, 76, 0.35);
        }
        .hero-actions .btn-outline-light-custom {
            padding: 13px 32px;
            border-radius: 50px;
            background: transparent;
            color: #fff !important;
            font-weight: 600;
            font-size: 1rem;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .hero-actions .btn-outline-light-custom:hover,
        .hero-actions .btn-outline-light-custom:focus-visible {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        .hero-search-bar {
            margin-top: 40px;
            max-width: 540px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
        }
        .hero-search-bar input {
            width: 100%;
            padding: 16px 22px 16px 52px;
            border-radius: 50px;
            border: none;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 1rem;
            transition: var(--transition);
            outline: none;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-search-bar input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .hero-search-bar input:focus {
            background: rgba(255, 255, 255, 0.2);
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(201, 168, 76, 0.15);
        }
        .hero-search-bar .search-icon {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.1rem;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            justify-content: center;
            margin-top: 50px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
        }
        .hero-stat-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 400;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 70px 0 80px;
                min-height: auto;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-item .num {
                font-size: 1.4rem;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-light-custom {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 576px) {
            .hero-section {
                padding: 50px 0 60px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-item .num {
                font-size: 1.2rem;
            }
            .hero-stat-item .label {
                font-size: 0.75rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 90px 0;
        }
        .section-padding-sm {
            padding: 60px 0;
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-title-wrap .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        .section-title-wrap .section-label i {
            font-size: 0.65rem;
        }
        .section-title-wrap h2 {
            font-size: clamp(1.8rem, 3.8vw, 2.8rem);
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }
        .section-title-wrap p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        @media (max-width: 576px) {
            .section-padding {
                padding: 50px 0;
            }
            .section-padding-sm {
                padding: 36px 0;
            }
            .section-title-wrap {
                margin-bottom: 32px;
            }
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 36px 30px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--red-milan));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card .icon-box {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .feature-card:hover .icon-box {
            background: var(--accent);
            color: var(--primary);
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            min-height: 260px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            background: #fff;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .category-card .cat-bg {
            position: absolute;
            inset: 0;
            object-fit: cover;
            width: 100%;
            height: 100%;
            transition: transform 0.5s ease;
        }
        .category-card:hover .cat-bg {
            transform: scale(1.05);
        }
        .category-card .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 15, 42, 0.85) 20%, rgba(15, 15, 42, 0.15) 70%);
            z-index: 1;
        }
        .category-card .cat-body {
            position: relative;
            z-index: 2;
            padding: 24px 22px 22px;
            width: 100%;
        }
        .category-card .cat-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .category-card .cat-body p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 12px;
        }
        .category-card .cat-body .cat-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 50px;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 600;
        }
        .category-card .cat-link {
            position: absolute;
            inset: 0;
            z-index: 3;
            text-indent: -9999px;
        }

        /* ===== 资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
        }
        .news-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .news-card .news-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--bg-light);
        }
        .news-card .news-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .news-card .news-meta .news-cat {
            padding: 2px 12px;
            border-radius: 50px;
            background: var(--accent-light);
            color: var(--accent);
            font-weight: 600;
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .news-card .news-meta .news-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .news-meta .news-date i {
            font-size: 0.65rem;
        }
        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card h3 a {
            color: var(--text-dark);
        }
        .news-card h3 a:hover {
            color: var(--accent);
        }
        .news-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .news-card .news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }
        .news-card .news-link i {
            font-size: 0.7rem;
            transition: var(--transition);
        }
        .news-card .news-link:hover i {
            transform: translateX(4px);
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px dashed var(--border-light);
        }
        .news-empty i {
            font-size: 2rem;
            color: var(--text-light);
            margin-bottom: 12px;
            display: block;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .stats-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 32px;
            text-align: center;
        }
        .stats-item .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stats-item .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 400;
            margin-top: 6px;
        }
        .stats-item .stat-icon {
            font-size: 1.6rem;
            color: rgba(201, 168, 76, 0.3);
            margin-bottom: 12px;
        }
        @media (max-width: 576px) {
            .stats-item .stat-num {
                font-size: 2rem;
            }
            .stats-grid {
                gap: 20px;
            }
        }

        /* ===== 热门推荐 ===== */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .recommend-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .recommend-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .recommend-card .rec-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: var(--bg-light);
        }
        .recommend-card .rec-body {
            padding: 20px 22px 22px;
        }
        .recommend-card .rec-body .rec-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 50px;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 0.68rem;
            font-weight: 600;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .recommend-card .rec-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .recommend-card .rec-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .recommend-card .rec-body .rec-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            color: var(--accent);
            font-size: 0.8rem;
        }
        .recommend-card .rec-body .rec-rating span {
            color: var(--text-muted);
            margin-left: 4px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-item .faq-question:hover {
            color: var(--accent);
        }
        .faq-item .faq-question i {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item .faq-answer p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
        }
        .cta-content .btn-cta-big {
            padding: 16px 44px;
            border-radius: 50px;
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .cta-content .btn-cta-big:hover,
        .cta-content .btn-cta-big:focus-visible {
            background: #e8d48b;
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(201, 168, 76, 0.3);
        }

        /* ===== 页脚 ===== */
        .footer-main {
            background: var(--primary);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 32px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-main .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-main .footer-brand .brand-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.9rem;
        }
        .footer-main .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 300px;
            line-height: 1.6;
        }
        .footer-main .footer-heading {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .footer-main .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-main .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-main .footer-links a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .footer-main .footer-links a i {
            font-size: 0.6rem;
        }
        .footer-main .footer-divider {
            border-color: rgba(255, 255, 255, 0.06);
            margin: 32px 0 24px;
        }
        .footer-main .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-main .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-main .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-main .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-main .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .footer-main .footer-social a:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .footer-main .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 按钮通用 ===== */
        .btn-outline-accent {
            padding: 10px 26px;
            border-radius: 50px;
            background: transparent;
            color: var(--accent) !important;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1.5px solid var(--accent);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-accent:hover,
        .btn-outline-accent:focus-visible {
            background: var(--accent);
            color: var(--primary) !important;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 168, 76, 0.25);
        }

        /* ===== 辅助 ===== */
        .text-accent {
            color: var(--accent) !important;
        }
        .bg-accent-soft {
            background: var(--accent-light);
        }
        .gap-2rem {
            gap: 2rem;
        }
        .mt-n1 {
            margin-top: -0.25rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1040;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            cursor: pointer;
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-3px);
        }
        @media (max-width: 576px) {
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 0.9rem;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a5c;
            --primary-dark: #0f2440;
            --primary-light: #2a5a8c;
            --accent: #c9a84c;
            --accent-light: #e8d08c;
            --accent-dark: #a88830;
            --bg-body: #f8f6f2;
            --bg-card: #ffffff;
            --bg-section-alt: #f0ece4;
            --text-dark: #1a1a2e;
            --text-body: #2d2d3a;
            --text-weak: #7a7a8a;
            --text-white: #f5f0eb;
            --border-light: #e0dbd2;
            --shadow-sm: 0 2px 8px rgba(26,58,92,0.06);
            --shadow-md: 0 6px 24px rgba(26,58,92,0.10);
            --shadow-lg: 0 12px 40px rgba(26,58,92,0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: 1rem; }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-custom { padding: 0 16px; }
        }

        /* ===== 导航 ===== */
        .navbar-main {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 0;
            height: 72px;
            display: flex;
            align-items: center;
        }
        .navbar-main .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .navbar-brand-main {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
        }
        .navbar-brand-main:hover { color: var(--primary); }
        .brand-icon { font-size: 1.6rem; color: var(--accent); }
        .brand-text { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .navbar-toggler-main {
            display: none;
            background: none;
            border: 2px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            font-size: 1.3rem;
            color: var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .navbar-toggler-main:hover { border-color: var(--accent); color: var(--accent); }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 4px;
            margin: 0;
            padding: 0;
            align-items: center;
        }
        .nav-link-main {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 40px;
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-link-main i { font-size: 0.9rem; color: var(--text-weak); transition: var(--transition); }
        .nav-link-main:hover { background: rgba(26,58,92,0.06); color: var(--primary); }
        .nav-link-main:hover i { color: var(--accent); }
        .nav-link-main.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(26,58,92,0.20); }
        .nav-link-main.active i { color: var(--accent-light); }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border: 1px solid var(--border-light);
            border-radius: 40px;
            padding: 0 16px;
            transition: var(--transition);
        }
        .nav-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(201,168,76,0.15); }
        .nav-search .search-icon { color: var(--text-weak); font-size: 0.9rem; margin-right: 8px; }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 8px 0;
            min-width: 140px;
            outline: none;
            color: var(--text-dark);
            font-size: 0.9rem;
        }
        .nav-search input::placeholder { color: var(--text-weak); }
        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 20px;
            border-radius: 40px;
            border: none;
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-cta-nav:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
        @media (max-width: 992px) {
            .nav-right { display: none; }
            .navbar-toggler-main { display: block; }
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                z-index: 1040;
            }
            .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-link-main { width: 100%; justify-content: center; padding: 12px 20px; border-radius: var(--radius-sm); }
        }
        @media (max-width: 576px) {
            .navbar-main { height: 64px; }
            .brand-text { font-size: 1.1rem; }
            .brand-icon { font-size: 1.3rem; }
            .nav-links { top: 64px; padding: 16px; }
        }

        /* ===== 文章详情页 ===== */
        .article-hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
            margin-top: -1px;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .article-hero .container-custom { position: relative; z-index: 2; }
        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
        }
        .article-breadcrumb a { color: rgba(255,255,255,0.75); text-decoration: none; transition: var(--transition); }
        .article-breadcrumb a:hover { color: var(--accent-light); }
        .article-breadcrumb .separator { color: rgba(255,255,255,0.35); }
        .article-breadcrumb .current { color: var(--accent); font-weight: 500; }
        .article-category-badge {
            display: inline-block;
            background: rgba(201,168,76,0.2);
            color: var(--accent-light);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            border: 1px solid rgba(201,168,76,0.25);
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            max-width: 900px;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: rgba(255,255,255,0.7);
            font-size: 0.95rem;
            margin-top: 8px;
        }
        .article-meta i { margin-right: 6px; color: var(--accent); }
        .article-meta span { display: flex; align-items: center; }
        @media (max-width: 768px) {
            .article-hero { padding: 40px 0 36px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-meta { gap: 12px; font-size: 0.85rem; }
        }
        @media (max-width: 576px) {
            .article-hero h1 { font-size: 1.5rem; }
        }

        /* ===== 文章正文区域 ===== */
        .article-main {
            padding: 50px 0 60px;
            background: var(--bg-body);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 40px 44px;
            border: 1px solid var(--border-light);
        }
        .article-body .content img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body .content p {
            margin-bottom: 1.4rem;
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-body);
        }
        .article-body .content h2, .article-body .content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--primary);
            font-weight: 700;
        }
        .article-body .content h2 { font-size: 1.7rem; border-bottom: 2px solid var(--border-light); padding-bottom: 8px; }
        .article-body .content h3 { font-size: 1.35rem; }
        .article-body .content ul, .article-body .content ol { margin-bottom: 1.4rem; padding-left: 1.6rem; }
        .article-body .content li { margin-bottom: 0.5rem; }
        .article-body .content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-section-alt);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-weak);
        }
        .article-body .content a { color: var(--primary-light); text-decoration: underline; text-underline-offset: 2px; }
        .article-body .content a:hover { color: var(--accent); }
        .article-body .content hr { margin: 32px 0; border: 0; border-top: 1px solid var(--border-light); }
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-not-found i { font-size: 3rem; color: var(--text-weak); margin-bottom: 20px; }
        .article-not-found h2 { font-size: 1.8rem; color: var(--primary); margin-bottom: 12px; }
        .article-not-found p { color: var(--text-weak); margin-bottom: 24px; }
        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }
        .btn-back-home:hover { background: var(--primary-light); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            border: 1px solid var(--border-light);
        }
        .sidebar-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card .card-title i { color: var(--accent); }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-body);
            font-size: 0.95rem;
            text-decoration: none;
            transition: var(--transition);
        }
        .sidebar-list a:hover { color: var(--accent); padding-left: 4px; }
        .sidebar-list a i { color: var(--accent); font-size: 0.8rem; }
        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tag {
            display: inline-block;
            background: var(--bg-section-alt);
            color: var(--text-body);
            padding: 6px 14px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .sidebar-tag:hover { background: var(--accent); color: var(--primary-dark); border-color: var(--accent); transform: translateY(-1px); }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-md);
            padding: 32px 28px;
            text-align: center;
            color: #fff;
        }
        .sidebar-cta h4 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
        .sidebar-cta p { font-size: 0.9rem; opacity: 0.85; margin-bottom: 20px; }
        .sidebar-cta .btn-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }
        .sidebar-cta .btn-light-custom:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }

        @media (max-width: 992px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-body { padding: 28px 24px; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        }
        @media (max-width: 576px) {
            .article-body { padding: 20px 16px; }
            .article-body .content p { font-size: 0.98rem; }
            .article-sidebar { grid-template-columns: 1fr; }
            .sidebar-card { padding: 20px; }
        }

        /* ===== 推荐文章 ===== */
        .related-section {
            padding: 50px 0 60px;
            background: var(--bg-section-alt);
        }
        .related-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .related-section .section-sub {
            color: var(--text-weak);
            margin-bottom: 32px;
            font-size: 1.05rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
        .related-card .card-img {
            height: 180px;
            background: var(--primary-light);
            position: relative;
            overflow: hidden;
        }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body { padding: 20px 22px; flex: 1; display: flex; flex-direction: column; }
        .related-card .card-body h5 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; line-height: 1.4; }
        .related-card .card-body p { font-size: 0.9rem; color: var(--text-weak); flex: 1; margin-bottom: 12px; }
        .related-card .card-body .meta { font-size: 0.82rem; color: var(--text-weak); display: flex; gap: 16px; }
        .related-card .card-body .meta i { color: var(--accent); margin-right: 4px; }
        @media (max-width: 992px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 576px) {
            .related-grid { grid-template-columns: 1fr; }
            .related-section .section-title { font-size: 1.4rem; }
        }

        /* ===== 页脚 ===== */
        .footer-main {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 30px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon { color: var(--accent); }
        .footer-desc { font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 360px; }
        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-heading::after { content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 2px; background: var(--accent); border-radius: 2px; }
        .footer-links { list-style: none; padding: 0; margin: 0; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            font-size: 0.92rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-links a i { font-size: 0.65rem; color: var(--accent); transition: var(--transition); }
        .footer-links a:hover { color: var(--accent); padding-left: 4px; }
        .footer-links a:hover i { transform: translateX(3px); }
        .footer-divider { border-color: rgba(255,255,255,0.08); margin: 32px 0 20px; }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); text-decoration: none; }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 768px) {
            .footer-main { padding: 40px 0 20px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== 通用工具 ===== */
        .text-accent { color: var(--accent); }
        .bg-accent-soft { background: rgba(201,168,76,0.08); }
        .shadow-hover { transition: var(--transition); }
        .shadow-hover:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .rounded-custom { border-radius: var(--radius-md); }

/* roulang page: category1 */
:root {
            --primary: #8B1A1A;
            --primary-light: #B22222;
            --primary-dark: #5C1010;
            --secondary: #D4A843;
            --secondary-light: #E8C56A;
            --accent: #1A3C5E;
            --accent-light: #2A5A8A;
            --bg-light: #FDF8F3;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A2E;
            --bg-section: #F5EDE6;
            --text-dark: #1C1C1E;
            --text-body: #3A3A4A;
            --text-muted: #7A7A8A;
            --text-light: #F0F0F0;
            --border-light: #E8DDD4;
            --border-medium: #D0C4B8;
            --shadow-sm: 0 2px 12px rgba(139, 26, 26, 0.06);
            --shadow-md: 0 8px 30px rgba(139, 26, 26, 0.10);
            --shadow-lg: 0 20px 50px rgba(139, 26, 26, 0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-light);
        }

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

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

        /* ===== Header / Nav ===== */
        .navbar-main {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            padding: 0;
            transition: var(--transition);
            box-shadow: 0 1px 20px rgba(0, 0, 0, 0.04);
        }

        .navbar-main .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .navbar-brand-main {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.3px;
            transition: var(--transition);
        }
        .navbar-brand-main:hover {
            color: var(--primary);
        }
        .navbar-brand-main .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(139, 26, 26, 0.25);
        }
        .navbar-brand-main .brand-text {
            background: linear-gradient(135deg, var(--text-dark), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .navbar-toggler-main {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
        }
        .navbar-toggler-main:hover {
            background: var(--border-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-link-main {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-body);
            text-decoration: none;
            transition: var(--transition);
            position: relative;
        }
        .nav-link-main i {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .nav-link-main:hover {
            background: var(--border-light);
            color: var(--primary);
        }
        .nav-link-main:hover i {
            color: var(--primary);
        }
        .nav-link-main.active {
            background: rgba(139, 26, 26, 0.08);
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link-main.active i {
            color: var(--primary);
        }
        .nav-link-main.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-section);
            border-radius: 40px;
            padding: 0 16px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            background: var(--bg-white);
            box-shadow: 0 0 0 4px rgba(139, 26, 26, 0.08);
        }
        .nav-search .search-icon {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-right: 8px;
        }
        .nav-search input {
            border: none;
            background: transparent;
            padding: 8px 0;
            font-size: 0.9rem;
            width: 160px;
            outline: none;
            color: var(--text-dark);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 22px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(139, 26, 26, 0.25);
            border: none;
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(139, 26, 26, 0.35);
            color: #fff;
        }
        .btn-cta-nav i {
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .btn-cta-nav:hover i {
            transform: translateX(4px);
        }

        /* ===== Page Hero / Banner ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #2A1A2E 50%, var(--primary-dark) 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light), transparent);
        }
        .category-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(212, 168, 67, 0.2);
            color: var(--secondary-light);
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(212, 168, 67, 0.15);
            margin-bottom: 16px;
        }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.15;
            margin-bottom: 16px;
            max-width: 720px;
        }
        .category-hero h1 span {
            background: linear-gradient(135deg, var(--secondary-light), #F0D080);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            color: rgba(255, 255, 255, 0.9);
        }
        .hero-stat-item .num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary-light);
            display: block;
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== Section common ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block-alt {
            background: var(--bg-section);
        }
        .section-block-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title-wrap .sub-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: rgba(139, 26, 26, 0.08);
            color: var(--primary);
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-title-wrap h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-title-wrap p {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto;
        }
        .section-block-dark .section-title-wrap h2 {
            color: #fff;
        }
        .section-block-dark .section-title-wrap p {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }

        .card-spot {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-spot:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-medium);
        }
        .card-spot .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .card-spot .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-spot .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 12px;
            background: rgba(139, 26, 26, 0.06);
            color: var(--primary);
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 500;
            margin-bottom: 10px;
            width: fit-content;
        }
        .card-spot .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-spot .card-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }
        .card-spot .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .card-spot .card-meta i {
            margin-right: 4px;
            color: var(--primary);
        }
        .card-spot .card-link {
            text-decoration: none;
            color: inherit;
        }
        .card-spot .card-link:hover .card-title {
            color: var(--primary);
        }

        /* ===== Itinerary / Timeline ===== */
        .timeline-wrap {
            position: relative;
            padding-left: 40px;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary), var(--primary-light));
            border-radius: 4px;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 40px 32px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 6px;
            width: 16px;
            height: 16px;
            background: var(--primary);
            border-radius: 50%;
            border: 4px solid var(--bg-light);
            box-shadow: 0 0 0 3px var(--primary);
        }
        .timeline-item .tl-day {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .timeline-item .tl-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 4px 0 6px;
        }
        .timeline-item .tl-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .timeline-item .tl-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }
        .timeline-item .tl-tags span {
            padding: 2px 12px;
            background: var(--bg-section);
            border-radius: 40px;
            font-size: 0.75rem;
            color: var(--text-body);
        }

        /* ===== Food / Shopping Grid ===== */
        .mini-card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
        }
        .mini-card {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 20px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .mini-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .mini-card .mc-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .mini-card .mc-title {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .mini-card .mc-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            background: rgba(139, 26, 26, 0.02);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--primary);
            font-size: 0.9rem;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
        }
        .cta-block h3 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
        }
        .cta-block p {
            font-size: 1.05rem;
            opacity: 0.85;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
        }
        .cta-block .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: #fff;
            color: var(--primary);
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition);
            position: relative;
        }
        .cta-block .btn-cta-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
        }
        .cta-block .btn-cta-white i {
            transition: var(--transition);
        }
        .cta-block .btn-cta-white:hover i {
            transform: translateX(4px);
        }

        /* ===== Footer ===== */
        .footer-main {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .footer-main .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-main .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
        }
        .footer-main .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 340px;
        }
        .footer-main .footer-heading {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-main .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-main .footer-links li {
            margin-bottom: 10px;
        }
        .footer-main .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-main .footer-links a i {
            font-size: 0.65rem;
            color: rgba(255, 255, 255, 0.25);
            transition: var(--transition);
        }
        .footer-main .footer-links a:hover {
            color: var(--secondary-light);
        }
        .footer-main .footer-links a:hover i {
            color: var(--secondary-light);
            transform: translateX(4px);
        }
        .footer-main .footer-divider {
            border-color: rgba(255, 255, 255, 0.06);
            margin: 32px 0 24px;
        }
        .footer-main .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .category-hero h1 {
                font-size: 2.4rem;
            }
            .section-title-wrap h2 {
                font-size: 1.8rem;
            }
            .cta-block {
                padding: 40px 28px;
            }
            .cta-block h3 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-main .container-custom {
                height: 64px;
            }
            .navbar-toggler-main {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                border-bottom: 1px solid var(--border-light);
                max-height: 80vh;
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-link-main {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-link-main.active::after {
                display: none;
            }
            .nav-link-main.active {
                background: rgba(139, 26, 26, 0.08);
            }
            .nav-right .nav-search {
                display: none;
            }
            .nav-right .btn-cta-nav {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .nav-right .btn-cta-nav span {
                display: none;
            }

            .category-hero {
                padding: 60px 0 48px;
                min-height: 260px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-item .num {
                font-size: 1.4rem;
            }

            .section-block {
                padding: 48px 0;
            }
            .section-title-wrap {
                margin-bottom: 32px;
            }
            .section-title-wrap h2 {
                font-size: 1.5rem;
            }

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

            .timeline-wrap {
                padding-left: 28px;
            }
            .timeline-wrap::before {
                left: 10px;
            }
            .timeline-item {
                padding: 0 0 28px 24px;
            }
            .timeline-item::before {
                left: -24px;
                width: 12px;
                height: 12px;
            }

            .cta-block {
                padding: 32px 20px;
                border-radius: var(--radius-md);
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .cta-block .btn-cta-white {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

            .footer-main {
                padding: 40px 0 24px;
            }
            .footer-main .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-badge {
                font-size: 0.7rem;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 12px;
            }
            .mini-card-grid {
                grid-template-columns: 1fr;
            }
            .nav-right .btn-cta-nav {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .nav-right .btn-cta-nav i {
                margin-right: 0;
            }
        }

        /* ===== Utility ===== */
        .mt-n1 {
            margin-top: -0.25rem;
        }
        .gap-2 {
            gap: 0.5rem;
        }
        .gap-3 {
            gap: 1rem;
        }
        .fw-600 {
            font-weight: 600;
        }
        .text-primary-custom {
            color: var(--primary);
        }