/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e11d2e;
            --primary-dark: #b81423;
            --primary-light: #ff4d5a;
            --dark: #141826;
            --dark-2: #1e2434;
            --accent: #f5a623;
            --bg-light: #f4f5f7;
            --bg-white: #ffffff;
            --text-dark: #1c1f26;
            --text-muted: #6b7280;
            --border-color: #e5e7eb;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 按钮 ===== */
        .btn {
            border-radius: 50px;
            padding: 12px 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid transparent;
        }

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

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(225, 29, 46, 0.25);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

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

        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(225, 29, 46, 0.2);
        }

        .btn-lg {
            padding: 15px 38px;
            font-size: 1.05rem;
        }

        .btn:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(225, 29, 46, 0.2);
        }

        /* ===== 徽章 ===== */
        .badge-custom {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(225, 29, 46, 0.1);
            color: var(--primary);
            border: 1px solid rgba(225, 29, 46, 0.2);
        }

        .badge-accent {
            background: rgba(245, 166, 35, 0.15);
            color: #b87a10;
            border-color: rgba(245, 166, 35, 0.3);
        }

        /* ===== 导航悬浮胶囊 ===== */
        .site-header {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            width: 92%;
            max-width: 1200px;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: 50px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 10px 20px;
            border-radius: 50px;
        }

        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--dark);
            letter-spacing: 0.5px;
        }

        .site-header .navbar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            color: var(--text-dark);
            font-weight: 500;
            padding: 8px 20px;
            border-radius: 50px;
            transition: var(--transition);
            font-size: 0.95rem;
        }

        .site-header .nav-link:hover {
            color: var(--primary);
            background: rgba(225, 29, 46, 0.08);
        }

        .site-header .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(225, 29, 46, 0.3);
        }

        .site-header .navbar-toggler {
            border: none;
            padding: 8px;
            border-radius: 12px;
        }

        .site-header .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(20,24,38,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            background: linear-gradient(rgba(20, 24, 38, 0.75), rgba(20, 24, 38, 0.55)),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 190px 0 110px;
            color: #fff;
            text-align: center;
        }

        .hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
            color: #f0f0f0;
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            letter-spacing: 2px;
            line-height: 1.2;
            margin-bottom: 18px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .hero .lead {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

        .hero .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero .hero-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 50px;
            flex-wrap: wrap;
        }

        .hero .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
        }

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

        /* ===== 板块通用 ===== */
        .section-section {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(225, 29, 46, 0.08);
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
        }

        /* ===== 核心说明 ===== */
        .about-section {
            background: var(--bg-white);
            padding: 90px 0;
        }

        .about-section .about-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            height: 100%;
            min-height: 380px;
        }

        .about-section .about-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .about-section .about-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 24, 38, 0.2), transparent);
        }

        .about-section .about-content {
            padding-left: 20px;
        }

        .about-section .about-content h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .about-section .about-content p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .about-section .about-list {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }

        .about-section .about-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            font-weight: 500;
            color: var(--text-dark);
            border-bottom: 1px solid var(--border-color);
        }

        .about-section .about-list li:last-child {
            border-bottom: none;
        }

        .about-section .about-list i {
            color: var(--primary);
            font-size: 1.1rem;
            width: 24px;
            text-align: center;
        }

        /* ===== 分类入口 ===== */
        .category-section {
            background: var(--bg-light);
            padding: 90px 0;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 40px;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            color: #fff;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .category-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 24, 38, 0.85) 0%, rgba(20, 24, 38, 0.2) 70%, transparent 100%);
            z-index: 1;
        }

        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .category-card .category-body {
            position: relative;
            z-index: 2;
        }

        .category-card .category-tag {
            display: inline-block;
            padding: 5px 14px;
            background: var(--accent);
            color: var(--dark);
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .category-card h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .category-card p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

        .category-card .btn {
            padding: 8px 20px;
            font-size: 0.9rem;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--dark);
            padding: 80px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(225, 29, 46, 0.3), transparent 70%);
            border-radius: 50%;
        }

        .stats-section .stat-item {
            text-align: center;
            padding: 20px;
        }

        .stats-section .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stats-section .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 1px;
        }

        /* ===== 最新资讯列表 ===== */
        .news-section {
            background: var(--bg-white);
            padding: 90px 0;
        }

        .news-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 28px;
            height: 100%;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .news-card:hover {
            background: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .news-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .news-card h3 a {
            color: var(--text-dark);
        }

        .news-card h3 a:hover {
            color: var(--primary);
        }

        .news-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-muted);
            font-size: 0.83rem;
        }

        .news-card .news-footer i {
            margin-right: 4px;
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            color: var(--text-muted);
            font-size: 1rem;
            border: 2px dashed var(--border-color);
        }

        /* ===== 热门赛事推荐 ===== */
        .featured-section {
            background: var(--bg-light);
            padding: 90px 0;
        }

        .featured-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--border-color);
        }

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

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

        .featured-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .featured-card .featured-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 2;
        }

        .featured-card .featured-body {
            padding: 24px;
        }

        .featured-card .featured-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .featured-card .featured-body p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .featured-card .featured-link {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--primary);
        }

        .featured-card .featured-link i {
            margin-left: 6px;
            transition: var(--transition);
        }

        .featured-card .featured-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 服务流程 ===== */
        .process-section {
            background: var(--bg-white);
            padding: 90px 0;
        }

        .process-step {
            text-align: center;
            padding: 30px 20px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            background: var(--bg-light);
            transform: translateY(-4px);
        }

        .process-step .step-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.6rem;
            box-shadow: 0 8px 20px rgba(225, 29, 46, 0.25);
        }

        .process-step .step-number {
            position: absolute;
            top: 12px;
            right: 16px;
            font-size: 2.5rem;
            font-weight: 800;
            color: rgba(225, 29, 46, 0.1);
            line-height: 1;
        }

        .process-step h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .process-step p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
            padding: 90px 0;
        }

        .faq-section .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 16px;
            background: #fff;
            overflow: hidden;
        }

        .faq-section .accordion-button {
            font-weight: 600;
            color: var(--text-dark);
            padding: 20px 28px;
            background: #fff;
            font-size: 1rem;
            box-shadow: none;
        }

        .faq-section .accordion-button:not(.collapsed) {
            background: var(--bg-light);
            color: var(--primary);
        }

        .faq-section .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }

        .faq-section .accordion-body {
            padding: 20px 28px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            border-top: 1px solid var(--border-color);
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: linear-gradient(rgba(20, 24, 38, 0.8), rgba(20, 24, 38, 0.7)),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 100px 0;
            color: #fff;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.6rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            max-width: 540px;
            margin: 0 auto 32px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
        }

        .site-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
        }

        .site-footer p {
            font-size: 0.9rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .site-footer .footer-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            margin-top: 44px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.8rem;
            }

            .section-header h2 {
                font-size: 2rem;
            }

            .about-section .about-content {
                padding-left: 0;
                padding-top: 30px;
            }

            .stats-section .stat-number {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                top: 8px;
                width: 95%;
                border-radius: 30px;
            }

            .site-header .navbar {
                padding: 8px 16px;
                border-radius: 30px;
            }

            .site-header .navbar-collapse {
                background: rgba(255, 255, 255, 0.95);
                border-radius: 20px;
                padding: 16px;
                margin-top: 10px;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--border-color);
            }

            .site-header .navbar-nav {
                gap: 4px;
            }

            .site-header .nav-link {
                padding: 10px 18px;
                border-radius: 12px;
            }

            .hero {
                padding: 140px 0 80px;
            }

            .hero h1 {
                font-size: 2.2rem;
                letter-spacing: 1px;
            }

            .hero .lead {
                font-size: 1rem;
            }

            .hero .hero-meta {
                flex-direction: column;
                gap: 10px;
                align-items: center;
            }

            .about-section,
            .category-section,
            .news-section,
            .featured-section,
            .process-section,
            .faq-section {
                padding: 60px 0;
            }

            .about-section .about-img-wrap {
                min-height: 260px;
            }

            .category-card {
                min-height: 240px;
                padding: 28px;
            }

            .category-card h3 {
                font-size: 1.5rem;
            }

            .stats-section .stat-item {
                padding: 15px 10px;
            }

            .stats-section .stat-number {
                font-size: 2rem;
            }

            .cta-section {
                padding: 70px 0;
            }

            .cta-section h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.8rem;
            }

            .hero .lead {
                font-size: 0.92rem;
            }

            .hero .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .hero .hero-buttons .btn {
                width: 100%;
                max-width: 280px;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .process-step {
                padding: 20px 10px;
            }

            .process-step .step-icon {
                width: 56px;
                height: 56px;
                font-size: 1.2rem;
            }

            .site-footer {
                padding: 50px 0 20px;
            }
        }

/* roulang page: article */
:root {
    --primary: #e11d48;
    --primary-dark: #be123c;
    --primary-soft: #fff1f2;
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --bg: #f7f9fc;
    --bg-soft: #eef2f7;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius-lg: 22px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow: 0 6px 24px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
    --transition: all 0.3s ease;
    --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.75;
    font-size: 16px;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

.container { max-width: 1280px; padding-left: 24px; padding-right: 24px; }
::-webkit-scrollbar { width: 8px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-soft); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.35; color: var(--dark); }
.section-title { font-size: 1.75rem; font-weight: 800; margin-bottom: 0.5rem; letter-spacing: -0.01em; position: relative; }
.section-subtitle { color: var(--text-muted); font-size: 1rem; margin-bottom: 2rem; }
.text-accent { color: var(--primary); }

/* ===== Floating Capsule Navbar ===== */
.site-header {
    position: sticky;
    top: 16px;
    z-index: 1050;
    padding: 0 24px;
    pointer-events: none;
}
.site-header .navbar {
    pointer-events: auto;
    max-width: 1220px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 60px;
    padding: 10px 28px;
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.1);
    transition: var(--transition);
}
.site-header .navbar:hover { box-shadow: 0 12px 40px rgba(15, 23, 42, 0.14); }
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--dark);
    letter-spacing: -0.01em;
}
.navbar-brand .brand-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), #f43f5e);
    color: #fff;
    border-radius: 12px;
    font-size: 0.95rem;
}
.navbar-nav .nav-item { margin-left: 4px; }
.navbar-nav .nav-link {
    font-weight: 550;
    font-size: 0.95rem;
    color: var(--text);
    padding: 9px 20px !important;
    border-radius: 40px;
    transition: var(--transition);
    position: relative;
}
.navbar-nav .nav-link:hover {
    color: var(--primary);
    background: var(--primary-soft);
}
.navbar-nav .nav-link.active {
    background: var(--dark);
    color: #fff;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
}
.navbar-toggler {
    border: none;
    padding: 8px 10px;
    border-radius: 12px;
    background: var(--bg-soft);
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.2); }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(15,23,42,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.4' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== Article Hero Banner ===== */
.article-hero {
    position: relative;
    padding: 88px 0 56px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 41, 59, 0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color: #fff;
    margin-top: -20px;
}
.article-hero .hero-inner { position: relative; z-index: 2; max-width: 900px; }
.art-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
}
.art-breadcrumb a { color: rgba(255,255,255,0.75); padding: 2px 8px; border-radius: 6px; transition: var(--transition); }
.art-breadcrumb a:hover { color: #fff; background: rgba(255,255,255,0.12); }
.art-breadcrumb .sep { opacity: 0.5; }
.art-breadcrumb .current { color: var(--accent); font-weight: 600; }
.article-hero h1 {
    color: #fff;
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    letter-spacing: -0.015em;
}
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    color: rgba(255,255,255,0.75);
    font-size: 0.9rem;
}
.hero-meta .meta-item { display: flex; align-items: center; gap: 6px; }
.hero-meta .badge-cat {
    background: var(--accent);
    color: var(--dark);
    font-weight: 700;
    font-size: 0.78rem;
    padding: 4px 12px;
    border-radius: 40px;
}
.hero-meta .view-count { display: flex; align-items: center; gap: 5px; }

/* ===== Article Main Layout ===== */
.article-main { padding: 48px 0 32px; position: relative; }
.article-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 36px;
    align-items: start;
}

.article-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid rgba(226, 232, 240, 0.6);
    overflow: hidden;
}
.article-card .card-body { padding: 40px; }

.article-cover {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 28px;
    position: relative;
    box-shadow: var(--shadow-sm);
}
.article-cover img { width: 100%; display: block; object-fit: cover; transition: transform 0.6s ease; }
.article-cover:hover img { transform: scale(1.02); }

.article-content-body {
    font-size: 1.02rem;
    color: #334155;
    line-height: 1.9;
}
.article-content-body p { margin-bottom: 1.4rem; }
.article-content-body h2 {
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    border-radius: 2px;
}
.article-content-body h3 {
    font-size: 1.2rem;
    margin: 1.8rem 0 0.8rem;
}
.article-content-body ul, .article-content-body ol { padding-left: 1.5rem; margin-bottom: 1.4rem; }
.article-content-body li { margin-bottom: 0.4rem; }
.article-content-body blockquote {
    border-left: 4px solid var(--accent);
    background: #fffbeb;
    padding: 16px 22px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 1.5rem 0;
    color: #92400e;
    font-style: italic;
}
.article-content-body img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin: 1rem 0; }
.article-content-body .text-note {
    background: var(--bg-soft);
    padding: 18px 22px;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--secondary);
    margin: 1.5rem 0;
}

/* Article footer meta */
.article-footer-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 24px;
    margin-top: 28px;
    border-top: 1px solid var(--border);
}
.tag-group { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-soft);
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 550;
    padding: 5px 14px;
    border-radius: 40px;
    transition: var(--transition);
    cursor: pointer;
}
.tag-item:hover { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(225,29,72,0.25); }
.share-group { display: flex; align-items: center; gap: 8px; }
.btn-share {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--bg-soft);
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}
.btn-share:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(225,29,72,0.25); }

/* ===== Sidebar ===== */
.sidebar { position: sticky; top: 110px; display: flex; flex-direction: column; gap: 28px; }
.sidebar-widget {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(226, 232, 240, 0.5);
}
.sidebar-widget .widget-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 12px;
}
.sidebar-widget .widget-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 36px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--primary), #f43f5e);
}
.rank-list { list-style: none; padding: 0; margin: 0; }
.rank-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
    transition: var(--transition);
}
.rank-list li:last-child { border-bottom: none; }
.rank-list li:hover { padding-left: 6px; background: var(--primary-soft); border-radius: var(--radius-sm); }
.rank-num {
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-soft);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}
.rank-list li:nth-child(1) .rank-num { background: var(--primary); color: #fff; }
.rank-list li:nth-child(2) .rank-num { background: var(--accent); color: var(--dark); }
.rank-list li:nth-child(3) .rank-num { background: var(--secondary); color: #fff; }
.rank-link {
    font-size: 0.9rem;
    font-weight: 550;
    color: var(--text);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.rank-link:hover { color: var(--primary); }

.sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.widget-ad img { border-radius: var(--radius-md); width: 100%; transition: var(--transition); }
.widget-ad img:hover { box-shadow: var(--shadow-lg); }

/* ===== Related / Recommendation ===== */
.related-section { padding: 40px 0 56px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.article-card-sm {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.5);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.article-card-sm:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.article-card-sm .card-img-wrap { position: relative; overflow: hidden; padding-top: 62%; background: var(--bg-soft); }
.article-card-sm .card-img-wrap img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.article-card-sm:hover .card-img-wrap img { transform: scale(1.06); }
.article-card-sm .card-img-wrap .img-cat {
    position: absolute;
    top: 12px; left: 12px;
    background: rgba(15,23,42,0.75);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
}
.article-card-sm .card-content { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.article-card-sm h3 { font-size: 0.98rem; font-weight: 650; line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-card-sm h3 a:hover { color: var(--primary); }
.article-card-sm .card-excerpt {
    font-size: 0.84rem;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
    flex: 1;
}
.article-card-sm .card-info { display: flex; align-items: center; justify-content: space-between; font-size: 0.8rem; color: var(--text-muted); }

/* ===== CTA Section ===== */
.cta-section {
    padding: 64px 0;
    position: relative;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #312e81 100%);
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    opacity: 0.15;
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 720px; margin: 0 auto; }
.cta-inner h2 { color: #fff; font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.cta-inner p { color: rgba(255,255,255,0.75); font-size: 1.05rem; margin-bottom: 28px; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn-feifan {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), #f43f5e);
    color: #fff;
    font-weight: 600;
    padding: 12px 32px;
    border-radius: 40px;
    border: none;
    box-shadow: 0 6px 18px rgba(225,29,72,0.3);
    transition: var(--transition);
}
.btn-feifan:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(225,29,72,0.4); }
.btn-feifan:active { transform: translateY(0); }
.btn-outline-light-custom {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 2px solid rgba(255,255,255,0.4);
    color: #fff;
    font-weight: 600;
    padding: 10px 30px;
    border-radius: 40px;
    transition: var(--transition);
}
.btn-outline-light-custom:hover { background: #fff; color: var(--dark); border-color: #fff; transform: translateY(-2px); }
.btn-back-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--dark);
    color: #fff;
    font-weight: 600;
    padding: 11px 28px;
    border-radius: 40px;
    border: none;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.btn-back-home:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(225,29,72,0.3); }

/* ===== Avatar Group ===== */
.avatar-group { display: flex; align-items: center; }
.avatar-group .avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: 2px solid #fff;
    background: var(--bg-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 700; color: var(--text-muted);
    margin-left: -8px;
}
.avatar-group .avatar:first-child { margin-left: 0; }
.avatar-group .avatar-more { background: var(--primary); color: #fff; font-size: 0.7rem; }

/* ===== FAQ ===== */
.faq-section { padding: 56px 0; background: var(--bg-soft); }
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid rgba(226,232,240,0.5);
    transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-item summary {
    padding: 18px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 12px;
    list-style: none;
    position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    margin-left: auto;
    font-size: 1.4rem;
    color: var(--primary);
    font-weight: 400;
    transition: var(--transition);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-body { padding: 0 24px 18px; color: var(--text-muted); font-size: 0.94rem; line-height: 1.8; }
.faq-icon { color: var(--primary); font-size: 1.1rem; }

/* ===== Footer ===== */
.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 56px 0 28px;
    font-size: 0.92rem;
}
.site-footer .footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}
.site-footer .brand-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), #f43f5e);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 1rem;
}
.site-footer p { line-height: 1.8; margin-bottom: 18px; }
.footer-title {
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 8px;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 24px; height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); display: inline-flex; align-items: center; gap: 6px; transition: var(--transition); font-size: 0.9rem; }
.footer-links a::before { content: '›'; opacity: 0.4; }
.footer-links a:hover { color: #fff; transform: translateX(4px); }
.footer-social { display: flex; gap: 8px; }
.footer-social a {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    transition: var(--transition);
    font-size: 1rem;
}
.footer-social a:hover { background: var(--primary); transform: translateY(-3px); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 36px;
    padding-top: 22px;
    text-align: center;
    color: rgba(255,255,255,0.45);
    font-size: 0.85rem;
}

/* ===== NotFound Card ===== */
.not-found-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 60px 40px;
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}
.not-found-card .nf-icon {
    font-size: 3.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}
.not-found-card h2 { font-size: 1.6rem; margin-bottom: 12px; }
.not-found-card p { color: var(--text-muted); margin-bottom: 28px; }

/* ===== Back to top ===== */
.back-top {
    position: fixed;
    right: 28px;
    bottom: 28px;
    width: 46px;
    height: 46px;
    background: var(--dark);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    border: none;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--primary); color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .article-shell { grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; }
}
@media (max-width: 992px) {
    .site-header { top: 10px; padding: 0 16px; }
    .site-header .navbar { padding: 10px 18px; border-radius: 40px; }
    .article-shell { grid-template-columns: 1fr; }
    .sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .section-title { font-size: 1.5rem; }
}
@media (max-width: 768px) {
    body { font-size: 15px; }
    .container { padding-left: 18px; padding-right: 18px; }
    .site-header { top: 8px; padding: 0 12px; }
    .site-header .navbar { padding: 8px 14px; }
    .navbar-brand { font-size: 1.05rem; }
    .navbar-brand .brand-icon { width: 32px; height: 32px; font-size: 0.85rem; border-radius: 10px; }
    .article-hero { padding: 44px 0 36px; }
    .article-hero h1 { font-size: 1.4rem; }
    .hero-meta { gap: 12px; font-size: 0.82rem; }
    .article-card .card-body { padding: 24px; }
    .sidebar { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .cta-inner h2 { font-size: 1.4rem; }
    .footer-bottom { font-size: 0.8rem; }
    .back-top { right: 18px; bottom: 18px; width: 40px; height: 40px; }
}
@media (max-width: 520px) {
    .container { padding-left: 14px; padding-right: 14px; }
    .article-card .card-body { padding: 18px; }
    .article-content-body { font-size: 0.96rem; }
    .hero-meta { flex-wrap: wrap; }
    .article-footer-meta { flex-direction: column; align-items: flex-start; }
    .cta-btns .btn { width: 100%; justify-content: center; }
    .related-grid { grid-template-columns: 1fr; }
}

/* roulang page: category1 */
:root {
            --primary: #e8452a;
            --primary-dark: #c9361d;
            --primary-light: #ff6b4a;
            --accent: #ffb347;
            --bg-main: #f7f8fc;
            --bg-light: #ffffff;
            --bg-dark: #131a2b;
            --text-main: #1e2434;
            --text-body: #4a5164;
            --text-muted: #8a90a4;
            --border-color: #e8eaf0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 12px rgba(20, 30, 70, 0.06);
            --shadow-md: 0 8px 30px rgba(20, 30, 70, 0.1);
            --shadow-lg: 0 20px 50px rgba(20, 30, 70, 0.12);
            --section-pad: 96px;
            --transition-base: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg-main);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 16px;
            z-index: 1050;
            padding: 0 24px;
            pointer-events: none;
        }

        .site-header .navbar {
            pointer-events: auto;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 56px;
            padding: 12px 28px;
            box-shadow: 0 8px 40px rgba(15, 25, 60, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.7);
            margin-top: 0;
        }

        .navbar-brand {
            font-size: 1.28rem;
            font-weight: 800;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.3px;
        }

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

        .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            box-shadow: 0 4px 12px rgba(232, 69, 42, 0.35);
        }

        .navbar-nav .nav-item {
            margin-left: 4px;
        }

        .navbar-nav .nav-link {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 10px 20px !important;
            border-radius: 40px;
            transition: var(--transition-base);
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(232, 69, 42, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            box-shadow: 0 6px 18px rgba(232, 69, 42, 0.35);
        }

        .navbar-toggler {
            border: none;
            background: transparent;
            padding: 8px;
            border-radius: 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid rgba(232, 69, 42, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,36,52,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Hero Banner ===== */
        .category-hero {
            position: relative;
            padding: 160px 0 100px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10, 15, 35, 0.8) 0%, rgba(20, 28, 55, 0.65) 50%, rgba(232, 69, 42, 0.35) 100%);
        }

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

        .hero-topline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 0.86rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 40px;
            margin-bottom: 24px;
        }

        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .category-hero h1 span {
            color: var(--accent);
        }

        .category-hero .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

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

        .btn-primary-custom {
            background: var(--primary);
            border: none;
            color: #fff;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 8px 24px rgba(232, 69, 42, 0.4);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(232, 69, 42, 0.5);
            color: #fff;
        }

        .btn-ghost-light {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            backdrop-filter: blur(10px);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 56px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat .num {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.1;
        }

        .hero-stat .num small {
            font-size: 1rem;
            font-weight: 600;
            color: var(--accent);
        }

        .hero-stat .label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ===== Section Base ===== */
        .section {
            padding: var(--section-pad) 0;
        }

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

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

        .section-tag {
            display: inline-block;
            background: rgba(232, 69, 42, 0.08);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 40px;
            letter-spacing: 1px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.7;
        }

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

        /* ===== Category Cards ===== */
        .cat-card {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            border: 1px solid var(--border-color);
            height: 100%;
            position: relative;
        }

        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 69, 42, 0.25);
        }

        .cat-card .cat-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .cat-card .cat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .cat-card .cat-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 15, 35, 0.5), transparent 60%);
        }

        .cat-card .cat-body {
            padding: 24px;
            position: relative;
        }

        .cat-card .cat-badge {
            position: absolute;
            top: -16px;
            right: 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 30px;
            box-shadow: 0 4px 14px rgba(232, 69, 42, 0.4);
            z-index: 2;
        }

        .cat-card h3 {
            font-size: 1.35rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .cat-card p {
            color: var(--text-body);
            font-size: 0.95rem;
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .cat-card .cat-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }

        .cat-card .cat-meta .count {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cat-card .cat-link {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
        }

        .cat-card .cat-link:hover {
            gap: 10px;
        }

        /* ===== News Cards ===== */
        .news-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .news-card .news-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

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

        .news-card .news-img .tag {
            position: absolute;
            left: 14px;
            top: 14px;
            background: rgba(232, 69, 42, 0.92);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 30px;
            z-index: 1;
            backdrop-filter: blur(4px);
        }

        .news-card .news-body {
            padding: 20px 20px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 800;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card h3 a:hover {
            color: var(--primary);
        }

        .news-card .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
            margin-top: auto;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .news-card .news-meta i {
            color: var(--primary);
        }

        .news-card .news-meta .author {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .news-meta .author-avatar {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
        }

        /* ===== Hot List / Ranking ===== */
        .rank-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .rank-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 69, 42, 0.35), transparent 65%);
            border-radius: 50%;
        }

        .rank-section .section-title {
            color: #fff;
        }

        .rank-section .section-sub {
            color: rgba(255, 255, 255, 0.65);
        }

        .rank-section .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }

        .rank-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
        }

        .rank-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(6px);
            border-color: rgba(232, 69, 42, 0.4);
        }

        .rank-card .rank-num {
            font-size: 1.8rem;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.25);
            line-height: 1;
            margin-right: 18px;
            min-width: 36px;
        }

        .rank-card .rank-info {
            flex: 1;
        }

        .rank-card .rank-info h4 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .rank-card .rank-info p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            margin: 0;
        }

        .rank-card .rank-tag {
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 30px;
        }

        .rank-card .rank-tag.hot {
            background: var(--accent);
            color: #1e2434;
        }

        /* ===== Guide Steps ===== */
        .guide-section {
            background: var(--bg-light);
        }

        .step-item {
            text-align: center;
            padding: 36px 28px;
            border-radius: var(--radius-lg);
            background: var(--bg-main);
            border: 1px solid var(--border-color);
            transition: var(--transition-base);
            height: 100%;
            position: relative;
        }

        .step-item:hover {
            background: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .step-icon {
            width: 72px;
            height: 72px;
            border-radius: 24px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: #fff;
            font-size: 1.6rem;
            box-shadow: 0 8px 24px rgba(232, 69, 42, 0.3);
        }

        .step-icon.alt {
            background: linear-gradient(135deg, var(--accent), #ff7f50);
            box-shadow: 0 8px 24px rgba(255, 179, 71, 0.3);
        }

        .step-icon.alt2 {
            background: linear-gradient(135deg, #1e2434, #3a4259);
            box-shadow: 0 8px 24px rgba(30, 36, 52, 0.3);
        }

        .step-item h3 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .step-item p {
            font-size: 0.92rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .step-num {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 2.4rem;
            font-weight: 900;
            color: rgba(30, 36, 52, 0.06);
            line-height: 1;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-main);
        }

        .faq-item {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 14px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(232, 69, 42, 0.3);
        }

        .faq-item .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-main);
        }

        .faq-item .faq-q i {
            color: var(--primary);
            transition: var(--transition-base);
            font-size: 1rem;
        }

        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }

        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .faq-item.active .faq-a {
            max-height: 300px;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(19, 26, 43, 0.88), rgba(232, 69, 42, 0.72));
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2.4rem;
            font-weight: 900;
            margin-bottom: 18px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

        .cta-btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-cta {
            background: #fff;
            color: var(--primary);
            padding: 15px 40px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1.05rem;
            border: none;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            transition: var(--transition-base);
        }

        .btn-cta:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.25);
            color: var(--primary-dark);
        }

        .btn-cta-outline {
            background: transparent;
            color: #fff;
            padding: 15px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: var(--transition-base);
        }

        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 80px 0 0;
            position: relative;
            overflow: hidden;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(232, 69, 42, 0.15), transparent 70%);
            border-radius: 50%;
        }

        .site-footer .container {
            position: relative;
            z-index: 1;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 900;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
        }

        .site-footer p {
            font-size: 0.95rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            max-width: 420px;
        }

        .footer-social {
            display: flex;
            gap: 0;
        }

        .footer-social a:hover {
            color: var(--accent) !important;
            transform: translateY(-3px);
        }

        .footer-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 36px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.92rem;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a::before {
            content: '→';
            color: var(--primary);
            font-size: 0.85rem;
            opacity: 0;
            transition: var(--transition-base);
            transform: translateX(-6px);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }

        .footer-links a:hover::before {
            opacity: 1;
            transform: translateX(0);
        }

        .footer-bottom {
            margin-top: 60px;
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        /* ===== Mobile Responsive ===== */
        @media (max-width: 991.98px) {
            .site-header {
                top: 10px;
                padding: 0 14px;
            }

            .site-header .navbar {
                border-radius: 24px;
                padding: 12px 18px;
            }

            .navbar-nav {
                padding: 16px 8px 4px;
                border-radius: 20px;
            }

            .navbar-nav .nav-item {
                margin: 0 0 4px;
            }

            .navbar-nav .nav-link {
                border-radius: 14px;
                padding: 12px 16px !important;
            }

            .navbar-nav .nav-link.active {
                border-radius: 14px;
            }

            .category-hero {
                padding: 140px 0 70px;
            }

            .category-hero h1 {
                font-size: 2.2rem;
            }

            .section {
                padding: 64px 0;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .hero-stats {
                gap: 22px;
            }

            .hero-stat .num {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 767.98px) {
            .category-hero {
                padding: 120px 0 56px;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .category-hero .hero-sub {
                font-size: 1rem;
            }

            .hero-actions .btn-primary-custom,
            .hero-actions .btn-ghost-light {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }

            .hero-stats {
                margin-top: 36px;
                gap: 16px;
                justify-content: space-between;
            }

            .hero-stat .num {
                font-size: 1.4rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .section-sub {
                font-size: 0.95rem;
            }

            .section-head {
                margin-bottom: 32px;
            }

            .cta-section h2 {
                font-size: 1.8rem;
            }

            .cta-btn-group .btn-cta,
            .cta-btn-group .btn-cta-outline {
                width: 100%;
                text-align: center;
            }

            .site-footer {
                padding-top: 56px;
            }

            .footer-bottom {
                margin-top: 40px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.55rem;
                letter-spacing: 0;
            }

            .hero-topline {
                font-size: 0.75rem;
                padding: 6px 14px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-stat {
                flex: 1;
            }

            .hero-stat .num {
                font-size: 1.25rem;
            }

            .hero-stat .label {
                font-size: 0.75rem;
            }

            .section {
                padding: 52px 0;
            }

            .section-title {
                font-size: 1.45rem;
            }

            .cat-card .cat-img {
                height: 160px;
            }

            .news-card .news-img {
                height: 160px;
            }

            .rank-card {
                padding: 16px 18px;
                flex-wrap: wrap;
            }

            .rank-card .rank-num {
                font-size: 1.4rem;
                min-width: 28px;
                margin-right: 12px;
            }

            .rank-card .rank-tag {
                margin-top: 8px;
            }

            .step-item {
                padding: 28px 20px;
            }
        }

        /* ===== Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible {
            outline: 3px solid rgba(232, 69, 42, 0.4);
            outline-offset: 2px;
        }

        .nav-link:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(232, 69, 42, 0.4);
        }