/* roulang page: index */
:root {
            --primary: #c0392b;
            --primary-dark: #922b21;
            --primary-light: #e74c3c;
            --secondary: #1a1a2e;
            --accent: #f39c12;
            --accent-light: #f1c40f;
            --bg-light: #f8f9fa;
            --bg-dark: #0d0d1a;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-main: #2c3e50;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border-color: #e9ecef;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --shadow-hover: 0 12px 40px rgba(192,57,43,0.20);
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            color: var(--text-main);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 900px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 50px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 40px;
            line-height: 1.6;
        }

        .text-center {
            text-align: center;
        }

        .text-primary {
            color: var(--primary) !important;
        }

        .bg-primary-soft {
            background: rgba(192, 57, 43, 0.04);
        }

        .rounded-xl {
            border-radius: var(--radius-xl);
        }

        .shadow-soft {
            box-shadow: var(--shadow-sm);
        }

        .shadow-medium {
            box-shadow: var(--shadow-md);
        }

        /* ===== 导航 ===== */
        .navbar-custom {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            padding: 0;
            min-height: 72px;
            transition: var(--transition);
        }

        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: nowrap;
            position: relative;
            min-height: 72px;
        }

        .navbar-custom .nav-left,
        .navbar-custom .nav-right {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
        }

        .navbar-custom .nav-left {
            justify-content: flex-end;
            padding-right: 20px;
        }

        .navbar-custom .nav-right {
            justify-content: flex-start;
            padding-left: 20px;
        }

        .navbar-custom .nav-link-custom {
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .navbar-custom .nav-link-custom:hover {
            color: var(--primary);
            background: rgba(192, 57, 43, 0.06);
        }

        .navbar-custom .nav-link-custom.active {
            color: var(--primary);
            font-weight: 600;
        }

        .navbar-custom .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        .navbar-brand-custom {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.02em;
            padding: 0 10px;
            flex-shrink: 0;
            transition: var(--transition);
            text-align: center;
            line-height: 1.2;
        }

        .navbar-brand-custom:hover {
            color: var(--primary);
        }

        .navbar-brand-custom .brand-sub {
            display: block;
            font-size: 0.6rem;
            font-weight: 400;
            color: var(--text-light);
            letter-spacing: 0.3em;
            text-transform: uppercase;
            margin-top: -2px;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            padding: 8px 12px;
            cursor: pointer;
            transition: var(--transition);
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
        }

        .navbar-toggler-custom:hover {
            color: var(--primary);
        }
        .navbar-toggler-custom:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        .mobile-nav {
            display: none;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 20px;
            flex-direction: column;
            gap: 6px;
        }

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

        .mobile-nav .nav-link-custom {
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .mobile-nav .nav-link-custom:hover {
            color: var(--primary);
            background: rgba(192, 57, 43, 0.06);
        }

        .mobile-nav .nav-link-custom.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(192, 57, 43, 0.08);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            background: var(--bg-dark);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.55;
            transform: scale(1.02);
            transition: transform 12s ease;
        }

        .hero-section:hover .hero-bg {
            transform: scale(1.00);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 13, 26, 0.85) 0%, rgba(192, 57, 43, 0.45) 50%, rgba(13, 13, 26, 0.80) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 40px 20px;
            max-width: 820px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-white);
            margin-bottom: 24px;
            letter-spacing: 0.05em;
        }

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

        .hero-title {
            font-size: 3.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .hero-title span {
            color: var(--accent-light);
            position: relative;
        }

        .hero-title span::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 6px;
            background: var(--primary-light);
            opacity: 0.4;
            border-radius: 4px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.2;
        }

        .btn-custom:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 3px;
        }

        .btn-primary-custom {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 20px rgba(192, 57, 43, 0.35);
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: var(--text-white);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(192, 57, 43, 0.45);
        }

        .btn-primary-custom:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.35);
        }

        .btn-outline-light-custom {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-3px);
        }

        .btn-outline-light-custom:active {
            transform: translateY(-1px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            margin-top: 48px;
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-stat-item {
            text-align: center;
            color: var(--text-white);
        }

        .hero-stat-item .num {
            font-size: 2rem;
            font-weight: 700;
            display: block;
            line-height: 1.2;
        }

        .hero-stat-item .label {
            font-size: 0.85rem;
            opacity: 0.75;
            letter-spacing: 0.05em;
        }

        /* ===== 核心服务 ===== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }

        .service-card .icon-wrap {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            background: rgba(192, 57, 43, 0.08);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .service-card:hover .icon-wrap {
            background: var(--primary);
            color: var(--text-white);
            transform: scale(1.05);
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .category-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .category-card:hover .card-img img {
            transform: scale(1.06);
        }

        .category-card .card-img .overlay-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--primary);
            color: var(--text-white);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .category-card .card-body {
            padding: 24px 22px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card .card-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .category-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }

        .category-card .card-body .btn-link-custom {
            align-self: flex-start;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .category-card .card-body .btn-link-custom:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        /* ===== 最新资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }

        .news-item .news-tag {
            flex-shrink: 0;
            background: rgba(192, 57, 43, 0.08);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            white-space: nowrap;
            margin-top: 2px;
        }

        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            transition: var(--transition);
        }

        .news-item .news-content h4 a {
            color: inherit;
            text-decoration: none;
        }
        .news-item .news-content h4 a:hover {
            color: var(--primary);
        }

        .news-item .news-content .news-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .news-item .news-content .news-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 6px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-light);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        /* ===== 数据/流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 22px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            position: relative;
            transition: var(--transition);
            counter-increment: step;
        }

        .step-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .step-card .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            transition: var(--transition);
        }

        .step-card:hover .step-num {
            background: var(--primary-dark);
            transform: scale(1.08);
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(192, 57, 43, 0.2);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: -3px;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 20px;
        }

        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 540px;
            margin: 0 auto 28px;
        }

        .cta-content .btn-custom {
            font-size: 1.05rem;
            padding: 16px 40px;
        }

        /* ===== 页脚 ===== */
        .footer-custom {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
        }

        .footer-custom .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-custom .footer-brand .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            display: block;
        }

        .footer-custom .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-custom h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
        }

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

        .footer-custom ul li {
            margin-bottom: 8px;
        }

        .footer-custom ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-custom ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-custom .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-custom .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-custom .footer-bottom a:hover {
            color: var(--text-white);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-custom .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-custom .nav-left,
            .navbar-custom .nav-right {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-custom .container {
                justify-content: center;
                padding: 0 50px;
            }
            .navbar-brand-custom {
                font-size: 1.25rem;
            }
            .navbar-brand-custom .brand-sub {
                font-size: 0.5rem;
            }

            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-item .num {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.7rem;
            }
            .section-padding {
                padding: 50px 0;
            }

            .services-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .service-card {
                padding: 24px 16px 20px;
            }

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

            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .news-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px 18px;
            }

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

            .footer-custom .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }

            .cta-content h2 {
                font-size: 1.6rem;
            }
            .cta-content p {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-custom {
                width: 100%;
                justify-content: center;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .news-item .news-content h4 {
                font-size: 0.95rem;
            }
        }

        /* ===== 辅助 ===== */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--text-white);
            border: none;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }

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

        .scroll-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .scroll-top:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 3px;
        }

        @media (max-width: 520px) {
            .scroll-top {
                bottom: 16px;
                right: 16px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #B22234;
            --primary-dark: #8B0000;
            --primary-light: #D9383E;
            --accent: #C9A84C;
            --accent-light: #DFC06A;
            --accent-dark: #A8882E;
            --bg-light: #FDF8F4;
            --bg-card: #FFFFFF;
            --bg-dark: #1C1C2E;
            --text-dark: #1E1E2F;
            --text-body: #2D2D44;
            --text-muted: #6B6B80;
            --text-light: #F0EDE8;
            --border: #E8E2DA;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.1);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        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;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        .container { max-width: 1240px; padding: 0 20px; margin: 0 auto; }
        .container-fluid { padding: 0 20px; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-dark); letter-spacing: -0.01em; }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; margin-bottom: 1.2rem; }
        h3 { font-size: 1.6rem; }
        h4 { font-size: 1.25rem; }
        p { margin-bottom: 1rem; color: var(--text-body); }
        .section-padding { padding: 80px 0; }
        .section-title { text-align: center; margin-bottom: 3rem; }
        .section-title h2 { position: relative; display: inline-block; padding-bottom: 0.6rem; }
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
        }
        .section-title p { font-size: 1.1rem; color: var(--text-muted); max-width: 640px; margin: 0.8rem auto 0; }
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            border-radius: 50px;
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 16px rgba(178, 34, 52, 0.35);
        }
        .btn-primary-custom:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(178, 34, 52, 0.45); color: #fff; }
        .btn-accent-custom {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #1C1C2E;
            box-shadow: 0 4px 16px rgba(201, 168, 76, 0.35);
        }
        .btn-accent-custom:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(201, 168, 76, 0.45); color: #1C1C2E; }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline-custom:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .badge-custom {
            display: inline-block;
            padding: 4px 16px;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 50px;
            background: rgba(178, 34, 52, 0.1);
            color: var(--primary);
            letter-spacing: 0.03em;
        }
        .badge-accent {
            background: rgba(201, 168, 76, 0.15);
            color: var(--accent-dark);
        }
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .card-custom:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
        .card-custom .card-icon { font-size: 2rem; color: var(--primary); margin-bottom: 1rem; }
        .card-custom h4 { margin-bottom: 0.6rem; }
        .card-custom p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 0; }
        .tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 0.8rem; }
        .tag-list .tag {
            padding: 2px 14px;
            font-size: 0.78rem;
            border-radius: 50px;
            background: var(--bg-light);
            color: var(--text-muted);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .tag-list .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        /* header */
        header { position: sticky; top: 0; z-index: 1050; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); box-shadow: 0 2px 20px rgba(0,0,0,0.04); }
        .navbar-custom { padding: 0; height: 72px; display: flex; align-items: center; }
        .navbar-custom .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: nowrap; }
        .nav-left, .nav-right { display: flex; align-items: center; gap: 8px; }
        .nav-left .nav-link-custom, .nav-right .nav-link-custom {
            padding: 6px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-left .nav-link-custom:hover, .nav-right .nav-link-custom:hover { background: rgba(178,34,52,0.06); color: var(--primary); }
        .nav-left .nav-link-custom.active, .nav-right .nav-link-custom.active { background: var(--primary); color: #fff; }
        .navbar-brand-custom {
            display: flex; flex-direction: column; align-items: center; line-height: 1.2;
            font-size: 1.4rem; font-weight: 800; color: var(--primary-dark); letter-spacing: -0.02em;
            text-decoration: none; padding: 4px 0; flex-shrink: 0;
        }
        .navbar-brand-custom:hover { color: var(--primary); }
        .navbar-brand-custom .brand-sub { font-size: 0.65rem; font-weight: 400; color: var(--text-muted); letter-spacing: 0.15em; text-transform: uppercase; }
        .navbar-toggler-custom { display: none; background: none; border: 2px solid var(--border); border-radius: var(--radius-sm); padding: 6px 12px; font-size: 1.2rem; color: var(--text-dark); cursor: pointer; transition: var(--transition); }
        .navbar-toggler-custom:hover { border-color: var(--primary); color: var(--primary); }
        .mobile-nav { display: none; background: var(--bg-card); border-top: 1px solid var(--border); padding: 12px 20px; box-shadow: var(--shadow-md); }
        .mobile-nav a { display: block; padding: 10px 0; font-size: 1rem; font-weight: 500; color: var(--text-body); border-bottom: 1px solid var(--border); }
        .mobile-nav a:last-child { border-bottom: none; }
        .mobile-nav a.active { color: var(--primary); font-weight: 700; }
        .mobile-nav.show { display: block; }
        /* hero */
        .hero-category {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(28,28,46,0.85), rgba(139,0,0,0.8)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            padding: 100px 0 80px;
            overflow: hidden;
        }
        .hero-category::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 50%, rgba(201,168,76,0.15), transparent 70%); }
        .hero-category .container { position: relative; z-index: 2; }
        .hero-category h1 { font-size: 3.2rem; font-weight: 800; color: #fff; margin-bottom: 1rem; letter-spacing: -0.02em; }
        .hero-category h1 span { color: var(--accent); }
        .hero-category p { font-size: 1.15rem; color: rgba(255,255,255,0.85); max-width: 620px; margin-bottom: 2rem; line-height: 1.7; }
        .hero-category .hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 1.2rem; }
        .hero-category .hero-badges span { background: rgba(255,255,255,0.12); backdrop-filter: blur(4px); padding: 4px 18px; border-radius: 50px; font-size: 0.85rem; color: rgba(255,255,255,0.9); border: 1px solid rgba(255,255,255,0.08); }
        /* intro */
        .intro-category { background: var(--bg-card); border-bottom: 1px solid var(--border); }
        .intro-category .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .intro-category .intro-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
        .intro-category .intro-img img { width: 100%; height: 360px; object-fit: cover; }
        /* guide cards */
        .guide-cards { background: var(--bg-light); }
        .guide-cards .guide-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .guide-cards .card-custom { text-align: center; padding: 32px 20px; }
        .guide-cards .card-custom .card-icon { font-size: 2.4rem; margin-bottom: 1rem; }
        /* steps */
        .steps-section { background: var(--bg-card); }
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
        .step-item { position: relative; padding: 32px 20px 24px; background: var(--bg-light); border-radius: var(--radius-md); border: 1px solid var(--border); transition: var(--transition); text-align: center; }
        .step-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .step-item::before { counter-increment: step; content: counter(step); position: absolute; top: 16px; left: 16px; width: 36px; height: 36px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 700; }
        .step-item h4 { margin-bottom: 0.5rem; }
        .step-item p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 0; }
        /* stats */
        .stats-section { background: linear-gradient(135deg, var(--bg-dark), #2A2A40); color: #fff; }
        .stats-section .section-title h2 { color: #fff; }
        .stats-section .section-title h2::after { background: linear-gradient(90deg, var(--accent), var(--primary-light)); }
        .stats-section .section-title p { color: rgba(255,255,255,0.7); }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
        .stat-item { padding: 24px; background: rgba(255,255,255,0.06); border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.08); }
        .stat-item .stat-number { font-size: 2.6rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
        .stat-item .stat-label { font-size: 0.95rem; color: rgba(255,255,255,0.7); margin-top: 4px; }
        /* guide list */
        .guide-list-section { background: var(--bg-light); }
        .guide-list-item { display: flex; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--border); align-items: flex-start; }
        .guide-list-item:last-child { border-bottom: none; }
        .guide-list-item .list-num { font-size: 1.8rem; font-weight: 800; color: var(--primary); opacity: 0.4; min-width: 48px; }
        .guide-list-item .list-content { flex: 1; }
        .guide-list-item .list-content h4 { font-size: 1.15rem; margin-bottom: 4px; }
        .guide-list-item .list-content p { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 6px; }
        .guide-list-item .list-tag { font-size: 0.78rem; color: var(--accent-dark); background: rgba(201,168,76,0.12); padding: 2px 14px; border-radius: 50px; display: inline-block; }
        /* faq */
        .faq-section { background: var(--bg-card); }
        .faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 12px; overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--primary); }
        .faq-question { padding: 18px 24px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; background: var(--bg-light); transition: var(--transition); }
        .faq-question:hover { background: rgba(178,34,52,0.04); }
        .faq-question i { transition: var(--transition); color: var(--primary); }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer { padding: 0 24px 18px; color: var(--text-muted); font-size: 0.95rem; }
        /* cta */
        .cta-section { background: linear-gradient(135deg, var(--primary-dark), var(--bg-dark)); color: #fff; text-align: center; padding: 80px 0; }
        .cta-section h2 { color: #fff; font-size: 2.4rem; margin-bottom: 1rem; }
        .cta-section p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 600px; margin: 0 auto 2rem; }
        /* footer */
        .footer-custom { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
        .footer-custom .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); }
        .footer-custom .footer-brand .logo-text { font-size: 1.4rem; font-weight: 800; color: #fff; display: block; margin-bottom: 12px; }
        .footer-custom .footer-brand p { font-size: 0.92rem; color: rgba(255,255,255,0.6); max-width: 320px; }
        .footer-custom h5 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
        .footer-custom ul { list-style: none; padding: 0; margin: 0; }
        .footer-custom ul li { margin-bottom: 8px; }
        .footer-custom ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); }
        .footer-custom ul li a:hover { color: var(--accent); padding-left: 4px; }
        .footer-custom ul li i { width: 20px; color: var(--accent); }
        .footer-custom .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; font-size: 0.85rem; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 8px; }
        .footer-custom .footer-bottom a { color: var(--accent); }
        .footer-custom .footer-bottom a:hover { color: var(--accent-light); }
        /* responsive */
        @media (max-width: 1024px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.9rem; }
            .guide-cards .guide-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-custom .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero-category h1 { font-size: 2.6rem; }
        }
        @media (max-width: 768px) {
            .navbar-toggler-custom { display: block; }
            .nav-left, .nav-right { display: none; }
            .navbar-custom .container { justify-content: space-between; }
            .navbar-brand-custom { font-size: 1.2rem; }
            .navbar-brand-custom .brand-sub { font-size: 0.55rem; }
            .section-padding { padding: 56px 0; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .hero-category { min-height: 360px; padding: 80px 0 60px; }
            .hero-category h1 { font-size: 2rem; }
            .hero-category p { font-size: 1rem; }
            .intro-category .intro-grid { grid-template-columns: 1fr; gap: 24px; }
            .intro-category .intro-img img { height: 240px; }
            .guide-cards .guide-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .steps-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .guide-list-item { flex-direction: column; gap: 8px; }
            .guide-list-item .list-num { min-width: auto; }
            .footer-custom .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-custom .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.8rem; }
            .cta-section { padding: 56px 0; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-category h1 { font-size: 1.7rem; }
            .guide-cards .guide-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .card-custom { padding: 20px 16px; }
            .section-title h2 { font-size: 1.4rem; }
            .btn-custom { padding: 10px 24px; font-size: 0.92rem; }
            .hero-category .hero-badges span { font-size: 0.75rem; padding: 2px 12px; }
        }

/* roulang page: article */
:root {
        --primary: #C8102E;
        --primary-hover: #A00D24;
        --primary-light: #FDE8EC;
        --secondary: #1A1A2E;
        --accent: #D4A84B;
        --accent-hover: #C29A3E;
        --bg-light: #F8F9FA;
        --bg-dark: #0F0F1A;
        --text-dark: #1A1A2E;
        --text-muted: #6B7280;
        --text-light: #9CA3AF;
        --border-color: #E5E7EB;
        --radius: 12px;
        --radius-sm: 8px;
        --radius-lg: 20px;
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
        --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
        --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
        --transition: all 0.25s ease;
        --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body { font-family: var(--font-sans); color: var(--text-dark); background: #FFFFFF; line-height: 1.7; font-size: 1rem; }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary-hover); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    .container-narrow { max-width: 820px; margin: 0 auto; padding: 0 24px; }
    .section { padding: 80px 0; }
    .section-sm { padding: 56px 0; }
    .bg-light { background: var(--bg-light); }
    .bg-primary { background: var(--primary); }
    .bg-dark { background: var(--bg-dark); }
    .text-primary { color: var(--primary); }
    .text-accent { color: var(--accent); }
    .text-muted { color: var(--text-muted); }
    .mb-16 { margin-bottom: 16px; }
    .mb-24 { margin-bottom: 24px; }
    .mb-32 { margin-bottom: 32px; }
    .mb-48 { margin-bottom: 48px; }
    .mt-16 { margin-top: 16px; }
    .mt-24 { margin-top: 24px; }
    .mt-32 { margin-top: 32px; }

    /* ===== Navigation ===== */
    .navbar-custom {
        background: #FFFFFF;
        border-bottom: 1px solid var(--border-color);
        padding: 0;
        position: sticky;
        top: 0;
        z-index: 1050;
        box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    }
    .navbar-custom .container {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: nowrap;
        position: relative;
        min-height: 72px;
    }
    .navbar-brand-custom {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        color: var(--secondary);
        font-weight: 700;
        font-size: 1.35rem;
        letter-spacing: 0.5px;
        line-height: 1.2;
        padding: 8px 0;
        transition: var(--transition);
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
    }
    .navbar-brand-custom:hover { color: var(--primary); }
    .brand-sub { font-size: 0.65rem; font-weight: 400; color: var(--text-muted); letter-spacing: 0.3px; margin-top: 2px; }
    .nav-left, .nav-right {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .nav-left { margin-right: auto; padding-left: 0; }
    .nav-right { margin-left: auto; padding-right: 0; }
    .nav-link-custom {
        color: var(--text-muted);
        font-weight: 500;
        font-size: 0.95rem;
        padding: 8px 16px;
        border-radius: var(--radius-sm);
        transition: var(--transition);
        text-decoration: none;
        white-space: nowrap;
    }
    .nav-link-custom:hover {
        color: var(--primary);
        background: var(--primary-light);
    }
    .nav-link-custom.active {
        color: #FFFFFF;
        background: var(--primary);
        font-weight: 600;
    }
    .nav-link-custom.active:hover {
        background: var(--primary-hover);
        color: #FFFFFF;
    }
    .navbar-toggler-custom {
        display: none;
        background: none;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        padding: 8px 14px;
        font-size: 1.2rem;
        color: var(--text-dark);
        cursor: pointer;
        transition: var(--transition);
        position: absolute;
        left: 16px;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1060;
    }
    .navbar-toggler-custom:hover { background: var(--bg-light); border-color: var(--primary); color: var(--primary); }
    .mobile-nav {
        display: none;
        background: #FFFFFF;
        border-top: 1px solid var(--border-color);
        padding: 12px 24px 20px;
        flex-direction: column;
        gap: 6px;
        box-shadow: var(--shadow-md);
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        z-index: 1040;
    }
    .mobile-nav.open { display: flex; }
    .mobile-nav .nav-link-custom {
        padding: 10px 16px;
        border-radius: var(--radius-sm);
        font-size: 1rem;
    }

    /* ===== Hero Article ===== */
    .article-hero {
        position: relative;
        padding: 80px 0 64px;
        background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        color: #FFFFFF;
        overflow: hidden;
    }
    .article-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(200,16,46,0.55) 100%);
        z-index: 1;
    }
    .article-hero .container { position: relative; z-index: 2; }
    .article-hero .breadcrumb-custom {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 0.9rem;
        color: rgba(255,255,255,0.7);
        margin-bottom: 20px;
        align-items: center;
    }
    .article-hero .breadcrumb-custom a { color: rgba(255,255,255,0.8); text-decoration: none; }
    .article-hero .breadcrumb-custom a:hover { color: #FFFFFF; text-decoration: underline; }
    .article-hero .breadcrumb-custom .sep { color: rgba(255,255,255,0.4); margin: 0 4px; }
    .article-hero h1 {
        font-size: 2.6rem;
        font-weight: 800;
        line-height: 1.25;
        margin-bottom: 20px;
        letter-spacing: -0.5px;
        max-width: 900px;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 16px 24px;
        font-size: 0.95rem;
        color: rgba(255,255,255,0.8);
        align-items: center;
    }
    .article-meta .badge-category {
        background: var(--accent);
        color: var(--secondary);
        font-weight: 600;
        padding: 4px 14px;
        border-radius: 20px;
        font-size: 0.8rem;
    }
    .article-meta i { margin-right: 6px; opacity: 0.8; }

    /* ===== Article Body ===== */
    .article-body-wrap {
        padding: 56px 0 64px;
    }
    .article-featured-img {
        border-radius: var(--radius-lg);
        overflow: hidden;
        margin-bottom: 40px;
        box-shadow: var(--shadow-md);
    }
    .article-featured-img img { width: 100%; display: block; border-radius: var(--radius-lg); }
    .article-content {
        font-size: 1.05rem;
        line-height: 1.85;
        color: var(--text-dark);
    }
    .article-content h2, .article-content h3 { margin-top: 32px; margin-bottom: 16px; font-weight: 700; color: var(--secondary); }
    .article-content h2 { font-size: 1.6rem; }
    .article-content h3 { font-size: 1.25rem; }
    .article-content p { margin-bottom: 20px; }
    .article-content ul, .article-content ol { margin-bottom: 20px; padding-left: 24px; }
    .article-content li { margin-bottom: 8px; }
    .article-content blockquote {
        border-left: 4px solid var(--primary);
        padding: 16px 24px;
        background: var(--bg-light);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: 24px 0;
        font-style: italic;
        color: var(--text-muted);
    }
    .article-content img { border-radius: var(--radius); margin: 24px 0; box-shadow: var(--shadow-sm); }
    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 40px;
        padding-top: 32px;
        border-top: 1px solid var(--border-color);
    }
    .article-tags .tag {
        background: var(--bg-light);
        color: var(--text-muted);
        padding: 6px 16px;
        border-radius: 20px;
        font-size: 0.85rem;
        font-weight: 500;
        transition: var(--transition);
        text-decoration: none;
    }
    .article-tags .tag:hover { background: var(--primary-light); color: var(--primary); }

    /* ===== Related Posts ===== */
    .related-posts { background: var(--bg-light); }
    .related-posts .section-title {
        font-size: 1.75rem;
        font-weight: 700;
        margin-bottom: 40px;
        text-align: center;
    }
    .card-post {
        background: #FFFFFF;
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: var(--transition);
        height: 100%;
        display: flex;
        flex-direction: column;
        border: 1px solid var(--border-color);
    }
    .card-post:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
        border-color: var(--primary);
    }
    .card-post .card-img {
        aspect-ratio: 16 / 10;
        object-fit: cover;
        width: 100%;
        display: block;
    }
    .card-post .card-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
    .card-post .card-cat {
        font-size: 0.75rem;
        font-weight: 600;
        color: var(--primary);
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: 6px;
    }
    .card-post .card-title {
        font-size: 1.1rem;
        font-weight: 700;
        line-height: 1.4;
        margin-bottom: 8px;
        color: var(--text-dark);
        transition: var(--transition);
    }
    .card-post a:hover .card-title { color: var(--primary); }
    .card-post .card-text {
        font-size: 0.9rem;
        color: var(--text-muted);
        flex: 1;
        margin-bottom: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .card-post .card-meta {
        font-size: 0.8rem;
        color: var(--text-light);
        display: flex;
        align-items: center;
        gap: 12px;
    }

    /* ===== Article Nav ===== */
    .article-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        padding: 32px 0;
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
        margin-top: 48px;
    }
    .article-nav a {
        flex: 1;
        min-width: 200px;
        padding: 16px 20px;
        border: 1px solid var(--border-color);
        border-radius: var(--radius);
        color: var(--text-dark);
        transition: var(--transition);
        text-decoration: none;
        background: #FFFFFF;
    }
    .article-nav a:hover {
        border-color: var(--primary);
        background: var(--primary-light);
        color: var(--primary);
    }
    .article-nav .nav-label {
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--text-muted);
        margin-bottom: 4px;
    }
    .article-nav .nav-title {
        font-weight: 600;
        font-size: 0.95rem;
        line-height: 1.4;
    }

    /* ===== FAQ ===== */
    .faq-section .section-title { font-size: 1.75rem; font-weight: 700; text-align: center; margin-bottom: 40px; }
    .accordion-custom .accordion-item {
        border: 1px solid var(--border-color);
        border-radius: var(--radius) !important;
        overflow: hidden;
        margin-bottom: 12px;
        box-shadow: var(--shadow-sm);
    }
    .accordion-custom .accordion-button {
        font-weight: 600;
        font-size: 1.05rem;
        color: var(--text-dark);
        padding: 18px 24px;
        background: #FFFFFF;
        box-shadow: none;
        border: none;
    }
    .accordion-custom .accordion-button:not(.collapsed) {
        color: var(--primary);
        background: var(--primary-light);
    }
    .accordion-custom .accordion-button:focus { box-shadow: none; border-color: var(--primary); }
    .accordion-custom .accordion-body { padding: 16px 24px 20px; color: var(--text-muted); line-height: 1.7; }

    /* ===== CTA ===== */
    .cta-block {
        background: linear-gradient(135deg, var(--primary) 0%, #A00D24 100%);
        padding: 64px 0;
        text-align: center;
        color: #FFFFFF;
    }
    .cta-block h2 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
    .cta-block p { font-size: 1.1rem; opacity: 0.9; max-width: 600px; margin: 0 auto 28px; }
    .cta-block .btn-cta {
        background: #FFFFFF;
        color: var(--primary);
        border: none;
        padding: 14px 40px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 1.05rem;
        transition: var(--transition);
        display: inline-block;
        text-decoration: none;
    }
    .cta-block .btn-cta:hover { background: var(--accent); color: var(--secondary); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

    /* ===== Footer ===== */
    .footer-custom {
        background: var(--bg-dark);
        color: rgba(255,255,255,0.8);
        padding: 60px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .logo-text { font-size: 1.3rem; font-weight: 700; color: #FFFFFF; display: block; margin-bottom: 8px; }
    .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: var(--text-light); margin: 0; }
    .footer-custom h5 { color: #FFFFFF; font-weight: 600; font-size: 1rem; margin-bottom: 16px; }
    .footer-custom ul { list-style: none; padding: 0; margin: 0; }
    .footer-custom ul li { margin-bottom: 10px; }
    .footer-custom ul a { color: var(--text-light); text-decoration: none; font-size: 0.9rem; transition: var(--transition); }
    .footer-custom ul a:hover { color: var(--accent); padding-left: 4px; }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.08);
        padding: 20px 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 12px;
        font-size: 0.85rem;
        color: var(--text-light);
    }
    .footer-bottom a { color: var(--accent); text-decoration: none; }
    .footer-bottom a:hover { color: #FFFFFF; }

    /* ===== Empty State ===== */
    .empty-state {
        text-align: center;
        padding: 80px 24px;
    }
    .empty-state i { font-size: 4rem; color: var(--text-light); margin-bottom: 24px; display: block; }
    .empty-state h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
    .empty-state p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 24px; }
    .empty-state .btn-back { display: inline-block; padding: 12px 32px; background: var(--primary); color: #FFFFFF; border-radius: 50px; font-weight: 600; text-decoration: none; transition: var(--transition); }
    .empty-state .btn-back:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .article-hero h1 { font-size: 2.2rem; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    }
    @media (max-width: 768px) {
        .navbar-toggler-custom { display: block; }
        .nav-left, .nav-right { display: none; }
        .navbar-brand-custom {
            position: static;
            transform: none;
            font-size: 1.15rem;
            margin: 0 auto;
            padding: 10px 0;
        }
        .navbar-custom .container { justify-content: center; min-height: 64px; }
        .article-hero { padding: 48px 0 40px; }
        .article-hero h1 { font-size: 1.7rem; }
        .article-meta { font-size: 0.85rem; gap: 12px; }
        .section { padding: 48px 0; }
        .section-sm { padding: 40px 0; }
        .related-posts .section-title { font-size: 1.4rem; }
        .cta-block h2 { font-size: 1.5rem; }
        .cta-block p { font-size: 1rem; }
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .article-nav { flex-direction: column; }
        .article-nav a { min-width: auto; }
        .article-content { font-size: 1rem; }
    }
    @media (max-width: 520px) {
        .container { padding: 0 16px; }
        .article-hero h1 { font-size: 1.4rem; }
        .article-meta { flex-direction: column; align-items: flex-start; gap: 8px; }
        .card-post .card-body { padding: 16px 18px 20px; }
        .cta-block { padding: 40px 0; }
        .cta-block .btn-cta { padding: 12px 28px; font-size: 0.95rem; }
    }

/* roulang page: category3 */
:root {
            --primary: #c0392b;
            --primary-dark: #a93226;
            --primary-light: #f5e6e4;
            --secondary: #2c3e50;
            --secondary-light: #3d5a73;
            --accent: #d4a84b;
            --accent-light: #f5e9ce;
            --bg-light: #faf8f6;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-main: #2d2d44;
            --text-muted: #6b7280;
            --text-light: #9ca3af;
            --border-color: #e8e3de;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

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

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

        /* ===== 导航 ===== */
        header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

        .navbar-custom {
            padding: 0;
            height: 72px;
            display: flex;
            align-items: center;
        }
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            width: 100%;
            position: relative;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }
        .nav-right {
            justify-content: flex-end;
        }

        .nav-link-custom {
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-link-custom:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link-custom.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        .navbar-brand-custom {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            line-height: 1.2;
            padding: 0 20px;
            text-decoration: none;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .navbar-brand-custom:hover {
            color: var(--primary-dark);
            transform: scale(1.02);
        }
        .brand-sub {
            font-size: 0.65rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1.2px;
            text-transform: uppercase;
            margin-top: 1px;
        }

        .mobile-nav {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border-color);
            padding: 12px 16px 20px;
            box-shadow: var(--shadow-md);
        }
        .mobile-nav .nav-link-custom {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
        }
        .mobile-nav .nav-link-custom.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-nav.show {
            display: block;
        }

        @media (max-width: 992px) {
            .navbar-custom .container {
                justify-content: space-between;
            }
            .nav-left,
            .nav-right {
                display: none;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .navbar-brand-custom {
                font-size: 1.2rem;
                padding: 0 8px;
            }
            .brand-sub {
                font-size: 0.55rem;
            }
            .navbar-custom {
                height: 64px;
            }
        }
        @media (max-width: 480px) {
            .navbar-brand-custom {
                font-size: 1rem;
            }
            .brand-sub {
                font-size: 0.5rem;
            }
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #2c3e50 0%, #1a1a2e 50%, #2c3e50 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 center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(192, 57, 43, 0.25) 0%, transparent 60%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #1a1a2e;
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 72px 0 56px;
                min-height: 240px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
        }
        @media (max-width: 480px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.3px;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-header-center {
            text-align: center;
        }
        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ===== 卡片网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        @media (max-width: 992px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .grid-3,
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .card-custom {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .card-custom .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-custom .card-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-custom .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
            align-self: flex-start;
        }
        .card-custom h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card-custom p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }
        .card-custom .card-meta {
            font-size: 0.82rem;
            color: var(--text-light);
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .card-custom .card-meta i {
            margin-right: 4px;
        }

        /* ===== 图文特色区块 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-block .feature-img {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .feature-block .feature-img img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }
        .feature-block .feature-img:hover img {
            transform: scale(1.02);
        }
        .feature-block .feature-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .feature-block .feature-content p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .feature-block .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feature-block .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-main);
        }
        .feature-block .feature-list li i {
            color: var(--primary);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        @media (max-width: 992px) {
            .feature-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-block .feature-img img {
                height: 280px;
            }
            .feature-block .feature-content h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .feature-block .feature-img img {
                height: 200px;
            }
        }

        /* ===== 时间线 ===== */
        .timeline {
            position: relative;
            padding-left: 40px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            border-radius: 4px;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 36px 32px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid #fff;
            box-shadow: 0 0 0 3px var(--primary), var(--shadow-sm);
        }
        .timeline-item .tl-date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }
        .timeline-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .timeline-item p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        @media (max-width: 640px) {
            .timeline {
                padding-left: 32px;
            }
            .timeline-item {
                padding-left: 24px;
            }
            .timeline-item::before {
                left: -24px;
                width: 14px;
                height: 14px;
            }
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .tag-cloud .tag-item {
            display: inline-block;
            padding: 8px 22px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            transition: var(--transition);
            cursor: default;
        }
        .tag-cloud .tag-item:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #1a1a2e 100%);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            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;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(192, 57, 43, 0.35);
            text-decoration: none;
        }
        .btn-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(192, 57, 43, 0.45);
            color: #fff;
        }
        .btn-custom:active {
            transform: translateY(0);
        }
        .btn-custom-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            box-shadow: none;
        }
        .btn-custom-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            box-shadow: none;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn-custom {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== 统计数字 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.92rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-item {
                padding: 20px 12px;
            }
        }

        /* ===== 页脚 ===== */
        .footer-custom {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 32px;
            margin-top: 80px;
        }
        .footer-custom .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-custom .footer-brand .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: block;
            margin-bottom: 12px;
        }
        .footer-custom .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-custom h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-custom ul li {
            margin-bottom: 10px;
        }
        .footer-custom ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-custom ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-custom ul li i {
            width: 20px;
            color: var(--accent);
            margin-right: 8px;
        }
        .footer-custom .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-custom .footer-bottom a {
            color: var(--accent);
        }
        .footer-custom .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 992px) {
            .footer-custom .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .footer-custom .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-custom .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-custom {
            background: transparent;
            padding: 16px 0 0;
            margin-bottom: 0;
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary);
        }
        .breadcrumb-custom .separator {
            margin: 0 10px;
            color: var(--text-light);
        }
        .breadcrumb-custom .current {
            color: var(--text-dark);
            font-weight: 500;
        }

        /* ===== 辅助 ===== */
        .bg-white {
            background: #fff;
        }
        .bg-soft {
            background: var(--bg-light);
        }
        .rounded-custom {
            border-radius: var(--radius);
        }
        .shadow-custom {
            box-shadow: var(--shadow-md);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-2 {
            margin-top: 12px;
        }
        .text-center {
            text-align: center;
        }
        .gap-16 {
            gap: 16px;
        }

        @media (max-width: 576px) {
            .section-padding {
                padding: 40px 0;
            }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #C41E3A;
            --primary-dark: #9B0F28;
            --primary-light: #E84C5E;
            --primary-soft: #FDE8EC;
            --accent: #C9A96E;
            --accent-dark: #B0894E;
            --accent-light: #F0E6D0;
            --bg-white: #FFFFFF;
            --bg-alt: #F8F5F0;
            --bg-warm: #FDFCFA;
            --text-dark: #1A1A2E;
            --text-body: #2D2D44;
            --text-muted: #6B7280;
            --text-light: #9CA3AF;
            --border-color: #E5E7EB;
            --border-light: #F0F0F5;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.10);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
            margin-bottom: 0.5rem;
        }
        p {
            margin-top: 0;
            margin-bottom: 1rem;
            color: var(--text-body);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== Header & Navigation ===== */
        header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
            backdrop-filter: blur(6px);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 0;
            background: var(--bg-white);
            position: relative;
        }
        .navbar-custom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            width: 100%;
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex: 1;
        }
        .nav-right {
            justify-content: flex-end;
        }
        .nav-link-custom {
            display: inline-block;
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link-custom:hover,
        .nav-link-custom:focus {
            color: var(--primary);
            background: var(--primary-soft);
            text-decoration: none;
        }
        .nav-link-custom.active {
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 600;
            position: relative;
        }
        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .navbar-brand-custom {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            line-height: 1.2;
            padding: 0 1rem;
            text-decoration: none;
            transition: opacity var(--transition);
            flex-shrink: 0;
        }
        .navbar-brand-custom:hover {
            opacity: 0.88;
            text-decoration: none;
            color: var(--primary);
        }
        .brand-sub {
            font-size: 0.6rem;
            font-weight: 400;
            color: var(--text-muted);
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-dark);
            padding: 0.25rem 0.5rem;
            cursor: pointer;
            transition: color var(--transition);
        }
        .navbar-toggler-custom:hover {
            color: var(--primary);
        }

        /* 移动端导航 */
        .mobile-nav {
            display: none;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            padding: 0.75rem 1.25rem;
            flex-direction: column;
            gap: 0.25rem;
            box-shadow: var(--shadow-md);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .mobile-nav.open {
            display: flex;
            max-height: 400px;
            padding: 0.75rem 1.25rem;
        }
        .mobile-nav .nav-link-custom {
            display: block;
            padding: 0.6rem 0.75rem;
            font-size: 1rem;
            border-radius: var(--radius-sm);
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 5rem 0 4rem;
            background: linear-gradient(135deg, rgba(196, 30, 58, 0.92) 0%, rgba(155, 15, 40, 0.88) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.15);
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 1px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.20);
        }
        .page-banner .lead {
            font-size: 1.2rem;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.92);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.20);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.35rem 1.2rem;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }

        /* ===== Section通用 ===== */
        .section-block {
            padding: 4.5rem 0;
        }
        .section-block-alt {
            background: var(--bg-alt);
        }
        .section-block-warm {
            background: var(--bg-warm);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.75rem;
            text-align: center;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 2.5rem;
            line-height: 1.7;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0.75rem auto 1.5rem;
        }

        /* ===== Card通用 ===== */
        .card-custom {
            background: var(--bg-white);
            border: none;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-custom .card-body {
            padding: 1.5rem;
        }
        .card-custom .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }
        .card-custom .card-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .card-custom .card-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }

        /* ===== 标签 / Badge ===== */
        .badge-custom {
            display: inline-block;
            padding: 0.3rem 1rem;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 50px;
            background: var(--primary-soft);
            color: var(--primary);
            letter-spacing: 0.3px;
        }
        .badge-accent {
            background: var(--accent-light);
            color: var(--accent-dark);
        }
        .badge-outline {
            background: transparent;
            border: 1.5px solid var(--border-color);
            color: var(--text-muted);
        }

        /* ===== 按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 2rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 50px;
            border: none;
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-custom:hover {
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary-custom:hover,
        .btn-primary-custom:focus {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 8px 20px rgba(196, 30, 58, 0.35);
        }
        .btn-accent-custom {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent-custom:hover,
        .btn-accent-custom:focus {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 8px 20px rgba(201, 169, 110, 0.35);
        }
        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-custom:hover,
        .btn-outline-custom:focus {
            background: var(--primary);
            color: #fff;
        }
        .btn-white-custom {
            background: #fff;
            color: var(--primary);
        }
        .btn-white-custom:hover {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }

        /* ===== 核心服务网格 ===== */
        .service-card {
            text-align: center;
            padding: 2rem 1.25rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: var(--primary-soft);
        }
        .service-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.6rem;
            color: var(--primary);
            transition: all var(--transition);
        }
        .service-card:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
        }
        .service-card h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 推荐行程 ===== */
        .trip-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .trip-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .trip-card .trip-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .trip-card .trip-body {
            padding: 1.25rem 1.5rem 1.5rem;
        }
        .trip-card .trip-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
            background: var(--accent-light);
            color: var(--accent-dark);
            margin-bottom: 0.5rem;
            letter-spacing: 0.5px;
        }
        .trip-card .trip-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }
        .trip-card .trip-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 0.6rem;
        }
        .trip-card .trip-meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .trip-card .trip-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== 实用信息 ===== */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }
        .info-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            padding: 1.5rem;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .info-item:hover {
            box-shadow: var(--shadow-md);
        }
        .info-item .info-icon {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .info-item h6 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        .info-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 旅游贴士 ===== */
        .tip-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1rem;
        }
        .tip-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 1rem 1.25rem;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .tip-list li:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-soft);
        }
        .tip-list li i {
            font-size: 1.2rem;
            color: var(--accent);
            margin-top: 0.15rem;
            flex-shrink: 0;
        }
        .tip-list li .tip-content {
            flex: 1;
        }
        .tip-list li .tip-content strong {
            display: block;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
        }
        .tip-list li .tip-content span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: none;
            border-radius: var(--radius-sm);
            margin-bottom: 0.75rem;
            background: var(--bg-white);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            background: var(--bg-white);
            padding: 1.1rem 1.5rem;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition);
        }
        .faq-accordion .accordion-body {
            padding: 0.5rem 1.5rem 1.25rem;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            background: var(--bg-white);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 4rem 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.05rem;
            max-width: 580px;
            margin: 0 auto 1.75rem;
        }
        .cta-section .btn-custom {
            font-size: 1.05rem;
            padding: 0.85rem 2.5rem;
        }

        /* ===== Footer ===== */
        .footer-custom {
            background: #1A1A2E;
            color: rgba(255, 255, 255, 0.80);
            padding: 3.5rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .footer-custom .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-custom .footer-brand .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 0.75rem;
        }
        .footer-custom p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-custom h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }
        .footer-custom ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-custom ul li {
            margin-bottom: 0.5rem;
        }
        .footer-custom ul li a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
            font-size: 0.88rem;
        }
        .footer-custom ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-custom ul li i {
            margin-right: 0.5rem;
            color: var(--accent);
            width: 1rem;
        }
        .footer-custom .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.50);
        }
        .footer-custom .footer-bottom a {
            color: rgba(255, 255, 255, 0.70);
        }
        .footer-custom .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-custom .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-left,
            .nav-right {
                display: none !important;
            }
            .navbar-toggler-custom {
                display: block;
                order: -1;
            }
            .navbar-custom .container {
                justify-content: space-between;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
                padding: 0 0.5rem;
                flex: 1;
                text-align: center;
            }
            .brand-sub {
                font-size: 0.5rem;
            }
            .navbar-toggler-custom {
                order: 0;
            }
            .page-banner {
                padding: 3rem 0 2.5rem;
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .lead {
                font-size: 1rem;
            }
            .section-block {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .footer-custom .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-custom .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .service-card {
                padding: 1.5rem 1rem;
            }
            .trip-card .trip-img {
                height: 160px;
            }
            .info-grid {
                grid-template-columns: 1fr;
            }
            .tip-list {
                grid-template-columns: 1fr;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .lead {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .navbar-brand-custom {
                font-size: 0.95rem;
            }
            .brand-sub {
                font-size: 0.45rem;
                letter-spacing: 0.8px;
            }
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .card-custom .card-img-top {
                height: 160px;
            }
            .btn-custom {
                padding: 0.6rem 1.5rem;
                font-size: 0.9rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .bg-primary-soft {
            background: var(--primary-soft) !important;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .shadow-hover {
            transition: box-shadow var(--transition);
        }
        .shadow-hover:hover {
            box-shadow: var(--shadow-md);
        }
        .rounded-custom {
            border-radius: var(--radius-md);
        }
        .fw-700 {
            font-weight: 700;
        }