/* roulang page: index */
/* ===== CSS 设计变量 ===== */
        :root {
            --primary: #FF6B35;
            --primary-hover: #e85d2a;
            --primary-light: rgba(255, 107, 53, 0.1);
            --secondary: #1A3C6E;
            --secondary-light: rgba(26, 60, 110, 0.08);
            --accent: #2ECC71;
            --accent-light: rgba(46, 204, 113, 0.15);
            --bg: #F8F9FA;
            --bg-white: #FFFFFF;
            --text: #1E2A3A;
            --text-weak: #6C7A89;
            --text-light: #95A5A6;
            --border: #E8ECF1;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.15);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 60px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

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

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 通用板块间距 ===== */
        .section {
            padding: 4rem 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 0.5rem;
            color: var(--text);
        }
        .section-subtitle {
            font-size: 1rem;
            text-align: center;
            color: var(--text-weak);
            max-width: 640px;
            margin: 0 auto 2.5rem auto;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin: 0.75rem auto 1.5rem auto;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-secondary {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }
        .btn-secondary:hover {
            background: #15325e;
            border-color: #15325e;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: var(--accent-light);
            color: #1E7A4A;
        }
        .badge-secondary {
            background: var(--secondary-light);
            color: var(--secondary);
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 1.5rem;
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .card-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 1rem;
        }
        .card-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.03);
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text);
        }
        .card-text {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 1rem;
        }

        /* ===== 网格 ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--secondary);
            white-space: nowrap;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
        }
        .logo span {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border);
            transition: border var(--transition);
        }
        .header-actions .search-box:focus-within {
            border-color: var(--primary);
        }
        .header-actions .search-box input {
            border: none;
            background: transparent;
            padding: 8px 10px 8px 0;
            width: 160px;
            font-size: 0.85rem;
            color: var(--text);
            outline: none;
        }
        .header-actions .search-box i {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .header-actions .btn {
            padding: 8px 22px;
            font-size: 0.85rem;
        }

        /* 第二行频道 Tabs */
        .nav-tabs-wrap {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            padding: 0 20px;
        }
        .nav-tabs {
            display: flex;
            overflow-x: auto;
            white-space: nowrap;
            gap: 8px;
            padding: 10px 0;
            max-width: var(--max-width);
            margin: 0 auto;
            scrollbar-width: none;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tabs a {
            display: inline-flex;
            align-items: center;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-weak);
            background: transparent;
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-decoration: none;
        }
        .nav-tabs a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }
        .nav-tabs a:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .nav-tabs a.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* 汉堡菜单（移动端） */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* 移动端下拉菜单 */
        .mobile-menu {
            display: none;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            padding: 12px 20px 20px;
            animation: slideDown 0.3s ease;
        }
        .mobile-menu a {
            display: block;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            color: var(--text);
            font-weight: 500;
            transition: background var(--transition);
        }
        .mobile-menu a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu a.active {
            background: var(--primary);
            color: #fff;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            background-attachment: fixed;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 60, 110, 0.7) 0%, rgba(0, 0, 0, 0.55) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 800px;
            padding: 0 20px;
        }
        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }
        .hero-content h1 span {
            color: var(--primary);
        }
        .hero-content .hero-sub {
            font-size: 1.15rem;
            line-height: 1.7;
            opacity: 0.92;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 2rem;
        }
        .hero-tags span {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.8rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* ===== 版本历程时间线 ===== */
        .timeline {
            position: relative;
            padding: 1.5rem 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--border);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding-left: 52px;
            margin-bottom: 2rem;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 6px;
            width: 16px;
            height: 16px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 3px var(--primary);
        }
        .timeline-item .tl-version {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.2rem;
        }
        .timeline-item .tl-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
        }
        .timeline-item .tl-desc {
            font-size: 0.9rem;
            color: var(--text-weak);
            margin-top: 0.3rem;
        }

        /* ===== 明星玩家 / 合作方 ===== */
        .star-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 24px;
        }
        .star-card {
            text-align: center;
            padding: 1.5rem 1rem;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .star-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .star-card .avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--primary);
            margin: 0 auto 1rem;
        }
        .star-card .star-name {
            font-weight: 700;
            font-size: 1rem;
        }
        .star-card .star-role {
            font-size: 0.8rem;
            color: var(--text-weak);
        }

        /* ===== 会员权益对比 ===== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pricing-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            border-color: var(--primary);
            background: linear-gradient(135deg, var(--primary) 0%, #e85d2a 100%);
            color: #fff;
            transform: scale(1.03);
        }
        .pricing-card.featured .pricing-name,
        .pricing-card.featured .pricing-price {
            color: #fff;
        }
        .pricing-card.featured .pricing-features li {
            color: rgba(255, 255, 255, 0.85);
        }
        .pricing-card.featured .pricing-features li i {
            color: #fff;
        }
        .pricing-card.featured .btn {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .pricing-card.featured .btn:hover {
            background: rgba(255, 255, 255, 0.9);
        }
        .pricing-card .popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            padding: 4px 20px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .pricing-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .pricing-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 1.5rem;
        }
        .pricing-price small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-light);
        }
        .pricing-features {
            text-align: left;
            margin-bottom: 1.5rem;
        }
        .pricing-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-weak);
            border-bottom: 1px solid var(--border);
        }
        .pricing-features li:last-child {
            border-bottom: none;
        }
        .pricing-features li i {
            color: var(--accent);
            font-size: 0.85rem;
            width: 18px;
        }
        .pricing-features li .fa-times {
            color: #E74C3C;
        }

        /* ===== CTA 区块 ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--secondary) 0%, #0f2a4a 100%);
            color: #fff;
            padding: 4rem 0;
            text-align: center;
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .cta-block p {
            font-size: 1.05rem;
            opacity: 0.85;
            max-width: 560px;
            margin: 0 auto 2rem;
        }
        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-form input {
            flex: 1 1 240px;
            padding: 14px 20px;
            border-radius: 50px;
            border: none;
            font-size: 0.95rem;
            outline: none;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .cta-form input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.18);
        }
        .cta-form button {
            padding: 14px 32px;
            border-radius: 50px;
            border: none;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .cta-form button:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ===== CMS 资讯列表 ===== */
        .cms-list .card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .cms-list .card .card-text {
            flex: 1;
        }
        .news-empty {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-light);
            font-size: 1rem;
        }
        .news-empty i {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            display: block;
            color: var(--border);
        }

        /* ===== FAQ 手风琴 ===== */
        .faq-list {
            max-width: 740px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 1rem 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            padding: 0.5rem 0;
            transition: color var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 1.1rem;
            transition: transform var(--transition);
            color: var(--text-light);
        }
        .faq-question.open i {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1rem 0 0;
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0.75rem 1rem 0.5rem 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 2rem;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-brand .logo span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            opacity: 0.75;
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-links h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-links a {
            display: block;
            padding: 4px 0;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-contact h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-contact p {
            font-size: 0.88rem;
            opacity: 0.75;
            margin-bottom: 0.4rem;
        }
        .footer-contact i {
            margin-right: 8px;
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.6;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-card.featured {
                transform: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
            }
            .section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.4rem;
            }

            .header-top {
                padding: 0 16px;
            }
            .header-actions .search-box {
                display: none;
            }
            .header-actions .btn {
                display: none;
            }
            .header-actions .hamburger {
                display: flex;
            }
            .nav-tabs-wrap {
                display: none;
            }
            .mobile-menu.show {
                display: block;
            }

            .hero {
                min-height: 55vh;
                background-attachment: scroll;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .hero-sub {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-tags span {
                font-size: 0.7rem;
                padding: 4px 14px;
            }

            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
            .pricing-card.featured {
                transform: none;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }

            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                flex: none;
            }
            .cta-form button {
                width: 100%;
            }

            .timeline-item {
                padding-left: 44px;
            }
            .timeline-item .tl-title {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero {
                min-height: 50vh;
            }
            .star-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .star-card .avatar {
                width: 56px;
                height: 56px;
            }
            .star-card .star-name {
                font-size: 0.85rem;
            }
            .btn {
                padding: 10px 24px;
                font-size: 0.85rem;
            }
            .pricing-card {
                padding: 1.5rem 1rem;
            }
            .pricing-price {
                font-size: 1.5rem;
            }
        }

        /* ===== 辅助类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .gap-1 {
            gap: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .d-none {
            display: none;
        }
        @media (max-width: 768px) {
            .d-mobile-none {
                display: none !important;
            }
        }

/* roulang page: category1 */
/* ===== CSS 设计变量 ===== */
        :root {
            --primary: #FF6B35;
            --primary-light: #ff8a5c;
            --primary-dark: #e05520;
            --secondary: #1A3C6E;
            --secondary-light: #2a5298;
            --accent: #2ECC71;
            --accent-light: #3ddc84;
            --bg: #F8F9FA;
            --bg-dark: #1a1a2e;
            --text: #2d3436;
            --text-light: #636e72;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.15);
            --font-family: 'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
            --max-width: 1200px;
            --header-height: 70px;
            --nav-height: 48px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: calc(var(--header-height) + var(--nav-height));
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        ul, ol { list-style: none; }
        button { cursor: pointer; font-family: inherit; font-size: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; font-size: inherit; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text); }
        h1 { font-size: 2.5rem; }
        h2 { font-size: 1.8rem; }
        h3 { font-size: 1.3rem; }
        h4 { font-size: 1rem; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            padding: 12px 30px; border-radius: 50px; font-weight: 600; font-size: 1rem;
            transition: var(--transition); border: 2px solid transparent; white-space: nowrap;
        }
        .btn-primary { background: var(--primary); color: var(--text-white); border-color: var(--primary); }
        .btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); color: var(--text-white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-primary:active { transform: scale(0.98); }
        .btn-secondary { background: transparent; color: var(--text-white); border-color: var(--text-white); }
        .btn-secondary:hover { background: rgba(255,255,255,0.15); color: var(--text-white); transform: translateY(-2px); }
        .btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
        .btn-outline:hover { background: var(--primary); color: var(--text-white); transform: translateY(-2px); }
        .btn-accent { background: var(--accent); color: var(--text-white); border-color: var(--accent); }
        .btn-accent:hover { background: var(--accent-light); border-color: var(--accent-light); color: var(--text-white); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-lg { padding: 16px 40px; font-size: 1.1rem; }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }

        /* ===== 徽章 ===== */
        .badge {
            display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.75rem;
            font-weight: 600; background: var(--primary); color: var(--text-white); letter-spacing: 0.3px;
        }
        .badge-green { background: var(--accent); color: var(--text-white); }
        .badge-blue { background: var(--secondary); color: var(--text-white); }
        .badge-outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: var(--text-white); box-shadow: 0 1px 0 var(--border);
            padding: 0 20px;
        }
        .header-inner {
            max-width: var(--max-width); margin: 0 auto; display: flex;
            align-items: center; justify-content: space-between; height: var(--header-height);
        }
        .logo {
            display: flex; align-items: center; gap: 10px; font-size: 1.4rem; font-weight: 700;
            color: var(--text); text-decoration: none; white-space: nowrap;
        }
        .logo:hover { color: var(--text); }
        .logo-icon {
            width: 38px; height: 38px; background: var(--primary); color: var(--text-white);
            border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
            font-size: 1.3rem; font-weight: 700; flex-shrink: 0;
        }
        .logo span { color: var(--primary); }
        .header-right { display: flex; align-items: center; gap: 16px; }
        .search-box {
            display: flex; align-items: center; background: var(--bg); border-radius: 50px;
            padding: 0 16px; border: 1px solid var(--border); transition: var(--transition);
        }
        .search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,107,53,0.15); }
        .search-box input {
            background: transparent; border: none; padding: 8px 10px; font-size: 0.9rem;
            width: 180px; outline: none; color: var(--text);
        }
        .search-box input::placeholder { color: var(--text-light); }
        .search-box button { color: var(--text-light); padding: 8px 4px; font-size: 0.95rem; }
        .search-box button:hover { color: var(--primary); }
        .header-cta .btn { padding: 8px 22px; font-size: 0.85rem; }

        /* 第二行导航 Tabs */
        .nav-tabs-wrapper {
            background: var(--text-white); border-top: 1px solid var(--border);
            padding: 0 20px; position: fixed; top: var(--header-height); left: 0; right: 0;
            z-index: 999; height: var(--nav-height); display: flex; align-items: center;
        }
        .nav-tabs {
            max-width: var(--max-width); margin: 0 auto; display: flex; gap: 8px;
            overflow-x: auto; white-space: nowrap; width: 100%; padding: 4px 0;
            -webkit-overflow-scrolling: touch; scrollbar-width: none; -ms-overflow-style: none;
        }
        .nav-tabs::-webkit-scrollbar { display: none; }
        .nav-tabs a {
            display: inline-flex; align-items: center; gap: 6px; padding: 6px 18px;
            border-radius: 20px; background: transparent; border: 1px solid var(--border);
            color: var(--text); font-size: 0.88rem; font-weight: 500; text-decoration: none;
            transition: var(--transition); flex-shrink: 0;
        }
        .nav-tabs a:hover { background: rgba(255,107,53,0.08); border-color: var(--primary-light); color: var(--primary); }
        .nav-tabs a.active { background: var(--primary); border-color: var(--primary); color: var(--text-white); }
        .nav-tabs a i { font-size: 0.9rem; }

        /* ===== Hero 横幅 ===== */
        .hero-banner {
            position: relative; min-height: 55vh; display: flex; align-items: center;
            background: linear-gradient(135deg, rgba(26,60,110,0.75) 0%, rgba(0,0,0,0.6) 100%);
            overflow: hidden;
        }
        .hero-banner::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            z-index: -1; filter: brightness(0.6);
        }
        .hero-content { text-align: center; padding: 60px 20px; width: 100%; }
        .hero-content h1 {
            font-size: 3rem; color: var(--text-white); margin-bottom: 16px;
            text-shadow: 0 2px 16px rgba(0,0,0,0.3);
        }
        .hero-content .subtitle {
            font-size: 1.2rem; color: rgba(255,255,255,0.9); max-width: 680px;
            margin: 0 auto 32px; line-height: 1.6;
        }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .hero-actions .btn { min-width: 150px; }

        /* ===== 通用板块间距 ===== */
        .section { padding: 4rem 0; }
        .section-title {
            text-align: center; margin-bottom: 3rem;
        }
        .section-title h2 { font-size: 1.8rem; color: var(--text); margin-bottom: 8px; }
        .section-title p { color: var(--text-light); max-width: 600px; margin: 0 auto; font-size: 1rem; }

        /* ===== 攻略分类卡片 ===== */
        .guide-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
        }
        .guide-card {
            background: var(--text-white); border-radius: var(--radius);
            box-shadow: var(--shadow-sm); overflow: hidden; transition: var(--transition);
        }
        .guide-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .guide-card-img {
            position: relative; height: 200px; overflow: hidden;
        }
        .guide-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .guide-card:hover .guide-card-img img { transform: scale(1.05); }
        .guide-card-img .badge {
            position: absolute; top: 12px; left: 12px; z-index: 2;
        }
        .guide-card-body { padding: 1.5rem; }
        .guide-card-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .guide-card-body p { color: var(--text-light); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; }
        .guide-card-footer { display: flex; align-items: center; justify-content: space-between; }
        .guide-card-footer .count { font-size: 0.8rem; color: var(--text-light); }
        .guide-card-footer .count i { margin-right: 4px; }

        /* ===== 特色卖点 ===== */
        .features-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
        }
        .feature-item {
            text-align: center; padding: 2rem 1.2rem; background: var(--text-white);
            border-radius: var(--radius); box-shadow: var(--shadow-sm); transition: var(--transition);
        }
        .feature-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
        .feature-icon {
            width: 64px; height: 64px; margin: 0 auto 16px; display: flex; align-items: center;
            justify-content: center; border-radius: 50%; font-size: 1.6rem; color: var(--text-white);
        }
        .feature-icon.orange { background: var(--primary); }
        .feature-icon.blue { background: var(--secondary); }
        .feature-icon.green { background: var(--accent); }
        .feature-icon.purple { background: #8e44ad; }
        .feature-item h4 { margin-bottom: 8px; font-size: 1.05rem; }
        .feature-item p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

        /* ===== 适用场景 ===== */
        .scenes-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
        }
        .scene-card {
            background: var(--text-white); border-radius: var(--radius);
            box-shadow: var(--shadow-sm); padding: 2rem 1.5rem; text-align: center;
            transition: var(--transition); border-top: 4px solid transparent;
        }
        .scene-card:nth-child(1) { border-top-color: var(--primary); }
        .scene-card:nth-child(2) { border-top-color: var(--secondary); }
        .scene-card:nth-child(3) { border-top-color: var(--accent); }
        .scene-card:nth-child(4) { border-top-color: #f39c12; }
        .scene-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .scene-card .scene-icon { font-size: 2.2rem; margin-bottom: 12px; color: var(--primary); }
        .scene-card h4 { font-size: 1.1rem; margin-bottom: 8px; }
        .scene-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

        /* ===== 流程步骤 ===== */
        .steps { display: flex; gap: 0; position: relative; counter-reset: step; }
        .step-item {
            flex: 1; text-align: center; padding: 0 20px; position: relative;
        }
        .step-item::before {
            content: ''; position: absolute; top: 28px; left: -50%; right: 50%;
            height: 3px; background: linear-gradient(90deg, var(--primary), var(--secondary));
            z-index: 0;
        }
        .step-item:first-child::before { display: none; }
        .step-number {
            width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 50%;
            background: var(--primary); color: var(--text-white); display: flex;
            align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 700;
            position: relative; z-index: 1; box-shadow: 0 4px 12px rgba(255,107,53,0.3);
        }
        .step-item:nth-child(2) .step-number { background: var(--secondary); }
        .step-item:nth-child(3) .step-number { background: var(--accent); }
        .step-item:nth-child(4) .step-number { background: #f39c12; }
        .step-item h4 { font-size: 1.05rem; margin-bottom: 6px; }
        .step-item p { font-size: 0.85rem; color: var(--text-light); line-height: 1.5; }

        /* ===== FAQ 手风琴 ===== */
        .faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--text-white); border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm); overflow: hidden; transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between; padding: 16px 20px;
            cursor: pointer; font-weight: 500; font-size: 1rem; background: var(--text-white);
            transition: var(--transition); user-select: none;
        }
        .faq-question:hover { background: #f1f2f6; }
        .faq-question::after {
            content: '+'; font-size: 1.3rem; font-weight: 300; color: var(--primary);
            transition: var(--transition); flex-shrink: 0; margin-left: 12px;
        }
        .faq-item.active .faq-question::after { content: '−'; transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px; color: var(--text-light); font-size: 0.95rem; line-height: 1.7;
        }
        .faq-item.active .faq-answer { max-height: 300px; padding: 0 20px 20px; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            padding: 4rem 0; text-align: center; color: var(--text-white);
        }
        .cta-section h2 { font-size: 2rem; color: var(--text-white); margin-bottom: 12px; }
        .cta-section p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
        .cta-section .btn { background: var(--text-white); color: var(--primary); border-color: var(--text-white); }
        .cta-section .btn:hover { background: rgba(255,255,255,0.9); color: var(--primary-dark); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--secondary); color: rgba(255,255,255,0.85); padding: 3rem 0 0;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 40px; margin-bottom: 2rem; }
        .footer-brand .logo { color: var(--text-white); margin-bottom: 16px; display: inline-flex; }
        .footer-brand .logo span { color: var(--primary); }
        .footer-brand p { font-size: 0.88rem; line-height: 1.7; opacity: 0.8; max-width: 360px; }
        .footer-links h4, .footer-contact h4 { color: var(--text-white); margin-bottom: 16px; font-size: 1rem; }
        .footer-links a { display: block; color: rgba(255,255,255,0.7); font-size: 0.88rem; padding: 4px 0; }
        .footer-links a:hover { color: var(--primary); }
        .footer-contact p { font-size: 0.88rem; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
        .footer-contact p i { width: 18px; color: var(--primary); }
        .footer-contact a { color: rgba(255,255,255,0.7); }
        .footer-contact a:hover { color: var(--primary); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12); padding: 20px 0; text-align: center;
            font-size: 0.82rem; opacity: 0.6;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .guide-grid { grid-template-columns: repeat(2, 1fr); }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .scenes-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            body { padding-top: calc(60px + 44px); }
            .header-inner { height: 60px; }
            .logo { font-size: 1.15rem; }
            .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
            .search-box { display: none; }
            .header-cta .btn { padding: 6px 16px; font-size: 0.8rem; }
            .nav-tabs-wrapper { top: 60px; height: 44px; padding: 0 12px; }
            .nav-tabs a { padding: 4px 14px; font-size: 0.82rem; }
            .hero-content h1 { font-size: 2rem; }
            .hero-content .subtitle { font-size: 1rem; }
            .hero-banner { min-height: 45vh; }
            .section { padding: 2.5rem 0; }
            .section-title h2 { font-size: 1.4rem; }
            .guide-grid { grid-template-columns: 1fr; gap: 20px; }
            .features-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .scenes-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .steps { flex-direction: column; gap: 24px; }
            .step-item::before { display: none; }
            .step-item { padding: 0; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section p { font-size: 0.95rem; }
            .hero-actions .btn { min-width: 130px; padding: 10px 24px; }
        }
        @media (max-width: 520px) {
            .hero-content h1 { font-size: 1.6rem; }
            .hero-content .subtitle { font-size: 0.9rem; }
            .features-grid { grid-template-columns: 1fr; }
            .scenes-grid { grid-template-columns: 1fr; }
            .hero-actions { flex-direction: column; align-items: center; }
            .hero-actions .btn { width: 100%; max-width: 260px; }
            .header-cta .btn { font-size: 0.75rem; padding: 5px 12px; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .gap-2 { gap: 12px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .bg-light { background: var(--bg); }
        .bg-white { background: var(--text-white); }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #FF6B35;
            --primary-hover: #e85d2c;
            --primary-light: rgba(255, 107, 53, 0.10);
            --secondary: #1A3C6E;
            --secondary-light: rgba(26, 60, 110, 0.08);
            --accent: #2ECC71;
            --accent-light: rgba(46, 204, 113, 0.12);
            --bg: #F8F9FA;
            --bg-alt: #f0f2f5;
            --text: #1e293b;
            --text-weak: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 18px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.10);
            --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --container: 1200px;
            --read-max: 780px;
            --nav-height: 64px;
            --nav-tabs-height: 48px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-family);
            color: var(--text);
            background: var(--bg);
            line-height: 1.6;
            font-size: 16px;
            font-weight: 400;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-hover); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
        button { cursor: pointer; font-family: inherit; }
        input, textarea { font-family: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text); }
        h1 { font-size: 2.2rem; }
        h2 { font-size: 1.8rem; }
        h3 { font-size: 1.3rem; }
        h4 { font-size: 1rem; }
        p { margin-bottom: 1em; color: var(--text-weak); }
        small { font-size: 0.85rem; }

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: var(--read-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: #fff;
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0,0,0,0.03);
        }
        .nav-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--secondary);
            text-decoration: none;
            white-space: nowrap;
        }
        .logo:hover { color: var(--secondary); }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo span { color: var(--primary); font-weight: 400; }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 0 16px;
            height: 38px;
            transition: border-color var(--transition), box-shadow var(--transition);
            min-width: 180px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .nav-search i { color: var(--text-light); font-size: 0.9rem; margin-right: 8px; }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text);
            width: 100%;
        }
        .nav-search input::placeholder { color: var(--text-light); }
        .btn-cta {
            background: var(--primary);
            color: #fff !important;
            border: none;
            border-radius: 50px;
            padding: 10px 26px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-cta:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(255, 107, 53, 0.30); }
        .btn-cta:active { transform: scale(0.97); }
        .btn-cta i { font-size: 0.85rem; }

        /* Nav Tabs */
        .nav-tabs-wrapper {
            border-top: 1px solid var(--border-light);
            background: #fff;
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 24px;
            max-width: var(--container);
            margin: 0 auto;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .nav-tabs::-webkit-scrollbar { display: none; }
        .nav-tabs a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 7px 18px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-weak);
            text-decoration: none;
            transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
        }
        .nav-tabs a i { font-size: 0.8rem; opacity: 0.7; }
        .nav-tabs a:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .nav-tabs a.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 10px rgba(255, 107, 53, 0.25);
        }
        .nav-tabs a.active i { opacity: 1; }

        /* Mobile hamburger */
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--secondary);
            padding: 4px;
            cursor: pointer;
        }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            min-height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--secondary);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,60,110,0.80) 0%, rgba(0,0,0,0.55) 100%);
            z-index: 1;
        }
        .article-banner .container-narrow {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 40px 24px 36px;
            text-align: center;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 14px;
        }
        .article-breadcrumb a {
            color: rgba(255,255,255,0.85);
            text-decoration: none;
            transition: color var(--transition);
        }
        .article-breadcrumb a:hover { color: #fff; }
        .article-breadcrumb i { font-size: 0.7rem; color: rgba(255,255,255,0.5); }
        .article-breadcrumb .current { color: #fff; font-weight: 500; }
        .article-banner h1 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            text-shadow: 0 2px 12px rgba(0,0,0,0.20);
            margin-bottom: 12px;
            line-height: 1.3;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.80);
        }
        .article-meta .cat-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            padding: 3px 14px;
            font-size: 0.78rem;
            font-weight: 600;
        }
        .article-meta i { margin-right: 4px; opacity: 0.7; }
        .article-meta .date { color: rgba(255,255,255,0.70); }

        /* ===== Article Content ===== */
        .article-body-wrap {
            background: #fff;
            padding: 48px 0 32px;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body p {
            margin-bottom: 1.5em;
            color: var(--text);
        }
        .article-body h2, .article-body h3, .article-body h4 {
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        .article-body img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body ul, .article-body ol {
            padding-left: 1.6em;
            margin-bottom: 1.5em;
            color: var(--text-weak);
        }
        .article-body ul li { list-style: disc; margin-bottom: 0.4em; }
        .article-body ol li { list-style: decimal; margin-bottom: 0.4em; }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: var(--text-weak);
            font-style: normal;
        }
        .article-body a { font-weight: 500; text-decoration: underline; text-underline-offset: 3px; }
        .article-body a:hover { text-decoration: none; }

        .article-not-found {
            text-align: center;
            padding: 80px 24px 60px;
        }
        .article-not-found i {
            font-size: 3.5rem;
            color: var(--text-light);
            margin-bottom: 20px;
            display: block;
        }
        .article-not-found h2 {
            font-size: 1.6rem;
            color: var(--text);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-weak);
            margin-bottom: 24px;
        }
        .article-not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            padding: 12px 30px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .article-not-found .btn-back:hover { background: var(--primary-hover); transform: translateY(-2px); color: #fff; }

        /* ===== Related ===== */
        .related-section {
            background: var(--bg);
            padding: 48px 0 56px;
        }
        .related-section .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section .section-title i { color: var(--primary); font-size: 1.2rem; }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .related-card .card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            background: var(--bg-alt);
        }
        .related-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body h3 a { color: var(--text); text-decoration: none; }
        .related-card .card-body h3 a:hover { color: var(--primary); }
        .related-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-weak);
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }
        .related-card .card-footer .cat-tag-sm {
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .related-card .card-footer a {
            color: var(--primary);
            font-weight: 500;
            font-size: 0.82rem;
            text-decoration: none;
        }
        .related-card .card-footer a:hover { text-decoration: underline; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255,255,255,0.85);
            padding: 44px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.10);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
            font-size: 1.2rem;
        }
        .footer-brand .logo .logo-icon { background: var(--primary); }
        .footer-brand .logo span { color: var(--primary); }
        .footer-brand p {
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 4px;
            max-width: 360px;
        }
        .footer-links h4, .footer-contact h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-links a {
            display: block;
            color: rgba(255,255,255,0.70);
            text-decoration: none;
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-links a:hover { color: var(--primary); padding-left: 4px; }
        .footer-contact p {
            color: rgba(255,255,255,0.70);
            font-size: 0.9rem;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact p i { width: 18px; color: var(--primary); }
        .footer-contact .social-links a {
            color: rgba(255,255,255,0.70);
            font-size: 1.2rem;
            transition: color var(--transition);
        }
        .footer-contact .social-links a:hover { color: var(--primary); }
        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.50);
            border-top: 1px solid rgba(255,255,255,0.06);
            margin-top: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
            .container-narrow { padding: 0 16px; }

            h1 { font-size: 1.6rem; }
            h2 { font-size: 1.4rem; }
            h3 { font-size: 1.15rem; }

            .nav-main { padding: 0 16px; }
            .nav-search { min-width: 120px; }
            .nav-search input { width: 80px; }
            .btn-cta { padding: 8px 18px; font-size: 0.82rem; }
            .hamburger { display: block; }

            .nav-tabs { padding: 6px 16px; gap: 4px; }
            .nav-tabs a { padding: 5px 14px; font-size: 0.82rem; }

            .article-banner { min-height: 170px; }
            .article-banner .container-narrow { padding: 28px 16px 24px; }
            .article-banner h1 { font-size: 1.4rem; }
            .article-meta { font-size: 0.8rem; gap: 10px; }

            .article-body-wrap { padding: 32px 0 20px; }
            .article-body { font-size: 1rem; }

            .related-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
            .related-card .card-img { height: 130px; }

            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-brand p { max-width: 100%; }
        }
        @media (max-width: 520px) {
            .nav-main { flex-wrap: nowrap; gap: 8px; }
            .nav-search { min-width: 0; width: auto; padding: 0 12px; }
            .nav-search input { width: 60px; }
            .btn-cta span { display: none; }
            .btn-cta { padding: 8px 14px; }

            .related-grid { grid-template-columns: 1fr; }
            .article-banner h1 { font-size: 1.2rem; }
            .article-meta { flex-direction: column; gap: 6px; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-24 { margin-top: 24px; }
        .mb-16 { margin-bottom: 16px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category2 */
/* ===== CSS Variables / Design System ===== */
        :root {
            --primary: #FF6B35;
            --primary-dark: #e55a2b;
            --primary-light: #ff8f5e;
            --secondary: #1A3C6E;
            --secondary-light: #2a5298;
            --accent: #2ECC71;
            --accent-dark: #27ae60;
            --bg: #F8F9FA;
            --bg-dark: #e9ecef;
            --text: #2d3436;
            --text-light: #636e72;
            --text-lighter: #b2bec3;
            --border: #dfe6e9;
            --white: #ffffff;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --radius-xl: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.16);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --transition: 0.3s ease;
            --header-height: 120px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--secondary);
        }
        h1 {
            font-size: 2.5rem;
        }
        h2 {
            font-size: 1.8rem;
        }
        h3 {
            font-size: 1.3rem;
        }
        h4 {
            font-size: 1rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-light);
        }
        small {
            font-size: 0.85rem;
            font-weight: 300;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        section {
            padding: 4rem 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 3rem;
            font-size: 1.05rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Header / Navigation (Dual-row) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 1.5rem;
            max-width: var(--max-width);
            margin: 0 auto;
            gap: 1rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo span {
            color: var(--primary);
        }
        .logo:hover {
            color: var(--secondary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: var(--radius-xl);
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            border: 1px solid var(--border);
            transition: var(--transition);
            max-width: 220px;
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .header-search input {
            background: transparent;
            border: none;
            padding: 0.4rem 0;
            font-size: 0.9rem;
            color: var(--text);
            width: 100%;
            min-width: 100px;
        }
        .header-search input::placeholder {
            color: var(--text-lighter);
        }
        .header-search button {
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .header-search button:hover {
            background: var(--primary-dark);
        }
        .header-cta {
            background: var(--primary);
            color: #fff;
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* Second row: channel tabs */
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.5rem;
            max-width: var(--max-width);
            margin: 0 auto;
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tabs a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 0.4rem 1rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .nav-tabs a i {
            font-size: 0.85rem;
        }
        .nav-tabs a:hover {
            background: rgba(255, 107, 53, 0.08);
            border-color: var(--primary-light);
            color: var(--primary);
        }
        .nav-tabs a.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .nav-tabs a.active:hover {
            background: var(--primary-dark);
        }

        /* Mobile hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
            padding: 4px;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--secondary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 999;
        }
        .mobile-menu-overlay.open {
            display: block;
        }
        .mobile-menu-panel {
            position: fixed;
            top: var(--header-height);
            right: -100%;
            width: 280px;
            height: calc(100vh - var(--header-height));
            background: var(--white);
            box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
            transition: right 0.35s ease;
            padding: 2rem 1.5rem;
            overflow-y: auto;
            z-index: 1001;
        }
        .mobile-menu-panel.open {
            right: 0;
        }
        .mobile-menu-panel a {
            display: block;
            padding: 0.8rem 0;
            border-bottom: 1px solid var(--bg-dark);
            font-weight: 500;
            color: var(--text);
        }
        .mobile-menu-panel a.active {
            color: var(--primary);
        }
        .mobile-menu-panel a i {
            margin-right: 0.6rem;
            width: 20px;
        }
        .mobile-menu-panel .mobile-cta {
            margin-top: 1.5rem;
            background: var(--primary);
            color: #fff;
            text-align: center;
            padding: 0.8rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            border-bottom: none;
        }
        .mobile-menu-panel .mobile-cta:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            min-height: 52vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            background-attachment: fixed;
            text-align: center;
            padding: 4rem 1.5rem;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 60, 110, 0.75) 0%, rgba(0, 0, 0, 0.55) 100%);
            z-index: 1;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            color: #fff;
            margin-bottom: 0.8rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .category-hero h1 span {
            color: var(--primary);
        }
        .category-hero .hero-sub {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 0.3rem 1.2rem;
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            margin-bottom: 1.2rem;
            backdrop-filter: blur(4px);
        }
        .hero-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #fff;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* ===== Highlights / Core Value ===== */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .highlight-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .highlight-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.8rem;
            color: #fff;
        }
        .highlight-card .icon-wrap.orange {
            background: var(--primary);
        }
        .highlight-card .icon-wrap.blue {
            background: var(--secondary);
        }
        .highlight-card .icon-wrap.green {
            background: var(--accent);
        }
        .highlight-card h3 {
            margin-bottom: 0.6rem;
            font-size: 1.2rem;
        }
        .highlight-card p {
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== Hot Game Updates (Card Grid) ===== */
        .updates-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .update-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.04);
        }
        .update-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .update-card .card-img {
            height: 160px;
            background: var(--bg-dark);
            overflow: hidden;
            position: relative;
        }
        .update-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .update-card:hover .card-img img {
            transform: scale(1.05);
        }
        .update-card .card-img .tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--primary);
            color: #fff;
            padding: 0.2rem 0.8rem;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 600;
        }
        .update-card .card-body {
            padding: 1.2rem 1rem 1rem;
        }
        .update-card .card-body h3 {
            font-size: 1rem;
            margin-bottom: 0.4rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .update-card .card-body .meta {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.8rem;
            color: var(--text-lighter);
            margin-bottom: 0.5rem;
        }
        .update-card .card-body .meta i {
            font-size: 0.75rem;
        }
        .update-card .card-body p {
            font-size: 0.88rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .update-card .card-body .read-more {
            display: inline-block;
            margin-top: 0.8rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }
        .update-card .card-body .read-more:hover {
            color: var(--primary-dark);
        }

        /* ===== News Categories ===== */
        .news-categories {
            background: var(--white);
        }
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .cat-card {
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            background: var(--bg);
            border: 1px solid var(--border);
            transition: var(--transition);
            text-align: center;
        }
        .cat-card:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .cat-card .cat-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .cat-card h3 {
            font-size: 1.15rem;
            margin-bottom: 0.4rem;
        }
        .cat-card p {
            font-size: 0.92rem;
            margin-bottom: 1rem;
        }
        .cat-card .cat-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 0.25rem 1rem;
            border-radius: var(--radius-xl);
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* ===== Subscribe / Stay Updated ===== */
        .subscribe-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0f2a4a 100%);
            color: #fff;
            text-align: center;
        }
        .subscribe-section h2 {
            color: #fff;
        }
        .subscribe-section .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }
        .subscribe-form {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 0.3rem;
            backdrop-filter: blur(6px);
        }
        .subscribe-form input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 0.8rem 1.2rem;
            color: #fff;
            font-size: 0.95rem;
            min-width: 0;
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .subscribe-form button {
            background: var(--primary);
            color: #fff;
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius-xl);
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: var(--primary-dark);
        }
        .subscribe-note {
            margin-top: 1rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius-sm);
            margin-bottom: 0.8rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow: hidden;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.2rem 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--secondary);
            transition: var(--transition);
            user-select: none;
            gap: 1rem;
        }
        .faq-question:hover {
            background: var(--bg);
        }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 0.6rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            margin-bottom: 2rem;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: #fff;
            color: var(--primary);
            padding: 0.9rem 2.5rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .cta-section .btn-cta:hover {
            background: var(--bg);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            color: var(--primary-dark);
        }
        .cta-section .btn-cta:active {
            transform: scale(0.97);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: 3rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 2.5rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-brand .logo .logo-icon {
            background: var(--primary);
        }
        .footer-brand .logo span {
            color: var(--primary);
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-links h4,
        .footer-contact h4 {
            color: #fff;
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 0.3rem 0;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-contact p i {
            width: 18px;
            color: var(--primary);
        }
        .footer-contact a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-contact a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            text-align: center;
            padding: 1.5rem 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .updates-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 100px;
            }
            body {
                padding-top: var(--header-height);
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            section {
                padding: 2.5rem 0;
            }
            .header-top {
                padding: 0.4rem 1rem;
            }
            .header-search {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-tabs {
                padding: 0.4rem 1rem;
                gap: 0.4rem;
            }
            .nav-tabs a {
                font-size: 0.8rem;
                padding: 0.3rem 0.8rem;
            }
            .nav-tabs a i {
                font-size: 0.75rem;
            }
            .category-hero {
                min-height: 40vh;
                padding: 3rem 1rem;
                background-attachment: scroll;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero .hero-sub {
                font-size: 1rem;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .updates-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .update-card .card-img {
                height: 140px;
            }
            .cat-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
                text-align: center;
            }
            .footer-brand .logo {
                justify-content: center;
            }
            .footer-contact p {
                justify-content: center;
            }
            .footer-contact p i {
                width: auto;
            }
            .subscribe-form {
                flex-direction: column;
                background: transparent;
                padding: 0;
                gap: 0.8rem;
            }
            .subscribe-form input {
                background: rgba(255, 255, 255, 0.12);
                border-radius: var(--radius-xl);
                padding: 0.8rem 1.2rem;
                width: 100%;
            }
            .subscribe-form button {
                width: 100%;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section .btn-cta {
                padding: 0.7rem 1.8rem;
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-sub {
                font-size: 0.92rem;
            }
            .highlight-card {
                padding: 1.5rem 1rem;
            }
            .faq-question {
                padding: 1rem 1.2rem;
                font-size: 0.92rem;
            }
            .faq-answer {
                font-size: 0.9rem;
            }
            .container {
                padding: 0 1rem;
            }
        }

        /* ===== Utility ===== */
        .text-primary {
            color: var(--primary);
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .gap-1 {
            gap: 0.5rem;
        }