/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f0c29;
            --primary-light: #1a1a3e;
            --secondary: #ffd700;
            --secondary-hover: #e6c200;
            --accent: #e94560;
            --accent-hover: #d63850;
            --bg: #f4f5f7;
            --bg-card: #ffffff;
            --bg-dark: #0a0a1a;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border: #e8e8ee;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(15, 12, 41, 0.08);
            --shadow-hover: 0 16px 48px rgba(15, 12, 41, 0.16);
            --shadow-glow: 0 0 40px rgba(255, 215, 0, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 76px;
        }

        /* ===== 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);
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .container-fluid {
            width: 100%;
            padding: 0 24px;
        }

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 0.5em;
        }

        h1 {
            font-size: clamp(2.2rem, 5vw, 3.8rem);
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.6rem);
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.8rem);
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            margin-bottom: 1em;
            color: var(--text-light);
        }

        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary), var(--accent));
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
            color: var(--text-light);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(15, 12, 41, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 10, 26, 0.96);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: 900;
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
        }
        .logo span {
            background: linear-gradient(90deg, #fff, #e0d4a8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Nav Links */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-links a {
            color: rgba(255, 255, 255, 0.75);
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active {
            color: var(--secondary);
            background: rgba(255, 215, 0, 0.1);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
        }

        /* Nav Right */
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
        }
        .nav-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            padding: 8px 16px 8px 38px;
            color: var(--text-white);
            font-size: 0.9rem;
            width: 180px;
            transition: var(--transition);
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .nav-search input:focus {
            width: 220px;
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--secondary);
        }
        .nav-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav {
            padding: 8px 20px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-nav-outline {
            background: transparent;
            color: var(--text-white);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }
        .btn-nav-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(255, 215, 0, 0.08);
        }
        .btn-nav-primary {
            background: linear-gradient(135deg, var(--secondary), #e6b800);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }
        .btn-nav-primary:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
            color: var(--primary);
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(15, 12, 41, 0.98);
            backdrop-filter: blur(20px);
            padding: 20px 24px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            z-index: 999;
            max-height: calc(100vh - var(--header-height));
            overflow-y: auto;
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav a {
            display: block;
            padding: 14px 16px;
            color: rgba(255, 255, 255, 0.8);
            border-radius: 10px;
            font-size: 1.05rem;
            font-weight: 500;
            transition: var(--transition);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .mobile-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--secondary);
        }
        .mobile-nav a.active {
            color: var(--secondary);
            background: rgba(255, 215, 0, 0.08);
        }
        .mobile-nav .mobile-nav-btns {
            display: flex;
            gap: 12px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-nav .mobile-nav-btns a {
            flex: 1;
            text-align: center;
            border-bottom: none;
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: var(--bg-dark);
            overflow: hidden;
            padding: 120px 24px 80px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.35;
            transform: scale(1.02);
            transition: transform 8s ease;
        }
        .hero:hover .hero-bg {
            transform: scale(1.04);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 60%, rgba(15, 12, 41, 0.3) 0%, rgba(10, 10, 26, 0.8) 70%, rgba(10, 10, 26, 0.95) 100%);
        }
        .hero-particles {
            position: absolute;
            inset: 0;
            overflow: hidden;
            pointer-events: none;
        }
        .hero-particles span {
            position: absolute;
            width: 6px;
            height: 6px;
            background: var(--secondary);
            border-radius: 50%;
            opacity: 0.15;
            animation: float 20s infinite;
        }
        .hero-particles span:nth-child(1) {
            top: 10%;
            left: 20%;
            animation-delay: 0s;
            animation-duration: 18s;
        }
        .hero-particles span:nth-child(2) {
            top: 30%;
            left: 75%;
            animation-delay: 3s;
            animation-duration: 22s;
            width: 8px;
            height: 8px;
        }
        .hero-particles span:nth-child(3) {
            top: 60%;
            left: 15%;
            animation-delay: 6s;
            animation-duration: 16s;
        }
        .hero-particles span:nth-child(4) {
            top: 80%;
            left: 60%;
            animation-delay: 2s;
            animation-duration: 20s;
            width: 10px;
            height: 10px;
            opacity: 0.1;
        }
        .hero-particles span:nth-child(5) {
            top: 45%;
            left: 85%;
            animation-delay: 8s;
            animation-duration: 24s;
        }
        .hero-particles span:nth-child(6) {
            top: 15%;
            left: 45%;
            animation-delay: 5s;
            animation-duration: 19s;
            width: 5px;
            height: 5px;
        }

        @keyframes float {
            0%,
            100% {
                transform: translateY(0) translateX(0) scale(1);
                opacity: 0.15;
            }
            25% {
                transform: translateY(-40px) translateX(20px) scale(1.2);
                opacity: 0.25;
            }
            50% {
                transform: translateY(-20px) translateX(-30px) scale(0.9);
                opacity: 0.12;
            }
            75% {
                transform: translateY(-60px) translateX(10px) scale(1.1);
                opacity: 0.2;
            }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.85rem;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero h1 {
            color: var(--text-white);
            margin-bottom: 20px;
            font-weight: 800;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--secondary), #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-hero {
            padding: 14px 36px;
            border-radius: 14px;
            font-size: 1.05rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--secondary), #e6b800);
            color: var(--primary);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.3);
        }
        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 48px rgba(255, 215, 0, 0.45);
            color: var(--primary);
        }
        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-white);
            border: 1.5px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-3px);
        }

        .hero-stats {
            display: flex;
            gap: 48px;
            justify-content: center;
            margin-top: 56px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        /* ===== Sections General ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-card);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark .section-title h2 {
            color: var(--text-white);
        }
        .section-dark .section-title p {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-dark .section-title h2::after {
            background: linear-gradient(90deg, var(--secondary), var(--accent));
        }

        /* ===== Features / 平台特色 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.12), rgba(233, 69, 96, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            transform: scale(1.05);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(233, 69, 96, 0.12));
        }
        .feature-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--text);
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ===== Categories / 分类入口 ===== */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .category-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow);
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid var(--border);
            position: relative;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .category-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .category-card:hover .card-img img {
            transform: scale(1.08);
        }
        .category-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 12, 41, 0.5) 0%, rgba(15, 12, 41, 0.1) 60%);
        }
        .category-card .card-body {
            padding: 24px 24px 28px;
        }
        .category-card .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--text);
        }
        .category-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .category-card .card-body .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(255, 215, 0, 0.12);
            color: var(--secondary);
        }

        /* ===== Latest News / CMS 列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-card .news-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-img img {
            transform: scale(1.05);
        }
        .news-card .news-img .news-cat {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(255, 215, 0, 0.9);
            color: var(--primary);
        }
        .news-card .news-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-body h3 {
            font-size: 1.05rem;
            margin-bottom: 10px;
            color: var(--text);
            line-height: 1.4;
            flex: 1;
        }
        .news-card .news-body h3 a {
            color: var(--text);
        }
        .news-card .news-body h3 a:hover {
            color: var(--accent);
        }
        .news-card .news-body .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .news-card .news-body .news-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .news-body .news-meta .date i {
            font-size: 0.75rem;
        }

        .empty-news {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            color: var(--text-light);
        }
        .empty-news i {
            font-size: 2.4rem;
            color: var(--border);
            margin-bottom: 16px;
            display: block;
        }

        /* ===== How It Works / 使用流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: linear-gradient(90deg, var(--secondary), var(--accent), var(--secondary));
            opacity: 0.3;
            display: none;
        }
        @media (min-width: 1024px) {
            .steps-grid::before {
                display: block;
            }
        }
        .step-card {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), #e6b800);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.25);
        }
        .step-card h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--text);
        }
        .step-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 0;
        }
        .section-dark .step-card h3 {
            color: var(--text-white);
        }
        .section-dark .step-card p {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-dark .step-number {
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.35);
        }

        /* ===== Trust Stats / 信任数据 ===== */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 32px;
            text-align: center;
        }
        .trust-item {
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .trust-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 215, 0, 0.15);
        }
        .trust-item .num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
        }
        .trust-item .label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.2);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--secondary);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 18px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }
        .section-dark .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .section-dark .faq-question {
            color: var(--text-white);
        }
        .section-dark .faq-answer p {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            padding: 80px 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            margin-bottom: 32px;
        }
        .cta-content .btn-hero-primary {
            font-size: 1.1rem;
            padding: 16px 44px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 24px 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .footer-brand .logo {
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--secondary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }

        .footer-bottom {
            max-width: var(--max-width);
            margin: 40px auto 0;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), #e6b800);
            color: var(--primary);
            border: none;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            z-index: 998;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .back-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .back-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 12px;
                font-size: 0.88rem;
            }
            .nav-search input {
                width: 140px;
            }
            .nav-search input:focus {
                width: 170px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .nav-links {
                display: none;
            }
            .nav-right .btn-nav-outline,
            .nav-right .btn-nav-primary {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .hero {
                min-height: 90vh;
                padding: 100px 20px 60px;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 36px;
            }
            .hero-stat .num {
                font-size: 1.6rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .categories-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .trust-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .trust-item .num {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .back-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 14px;
            }
            .cta-section {
                padding: 56px 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero {
                width: 100%;
                justify-content: center;
                max-width: 300px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .num {
                font-size: 1.3rem;
            }
            .trust-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .trust-item {
                padding: 20px 12px;
            }
            .trust-item .num {
                font-size: 1.6rem;
            }
            .nav-right .btn-nav-outline,
            .nav-right .btn-nav-primary {
                display: none;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 1rem;
            }
            .news-card .news-body {
                padding: 16px 18px 18px;
            }
            .category-card .card-body {
                padding: 18px 18px 22px;
            }
            .feature-card {
                padding: 28px 20px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 16px;
        }
        .mt-2 {
            margin-top: 32px;
        }
        .gap-1 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Foundation overrides for modern look */
        .grid-x {
            margin: 0;
        }
        .cell {
            padding: 0;
        }
        button,
        .button {
            transition: var(--transition);
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #264653;
            --accent: #f4a261;
            --accent-light: #e9c46a;
            --bg-light: #f8f9fa;
            --bg-dark: #0d1b2a;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-light: #636e72;
            --text-white: #f1faee;
            --border-light: #e0e0e0;
            --border-focus: #e63946;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
            --shadow-hover: 0 16px 48px rgba(230,57,70,0.18);
            --transition: all 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-light);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); line-height: 1.3; font-weight: 700; }
        h1 { font-size: 2.6rem; }
        h2 { font-size: 2rem; margin-bottom: 1.2rem; }
        h3 { font-size: 1.4rem; margin-bottom: 0.8rem; }
        p { margin-bottom: 1rem; color: var(--text-body); }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }
        .section-title { text-align: center; margin-bottom: 48px; }
        .section-title h2 { display: inline-block; position: relative; }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p { max-width: 640px; margin: 12px auto 0; color: var(--text-light); font-size: 1.05rem; }

        /* ===== Foundation 覆盖 ===== */
        .grid-container { max-width: var(--max-width); padding-left: 24px; padding-right: 24px; }
        .grid-x { margin-left: -12px; margin-right: -12px; }
        .cell { padding: 12px; }
        .button { transition: var(--transition); border-radius: var(--radius-sm); font-weight: 600; }
        .button.primary { background: var(--primary); border-color: var(--primary); }
        .button.primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .button.secondary { background: var(--secondary); border-color: var(--secondary); }
        .button.secondary:hover { background: #162a45; border-color: #162a45; transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .button.hollow { border-color: var(--primary); color: var(--primary); }
        .button.hollow:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .badge { border-radius: var(--radius-sm); font-weight: 600; padding: 0.3em 0.8em; }
        .badge.primary { background: var(--primary); color: #fff; }
        .badge.secondary { background: var(--secondary); color: #fff; }
        .badge.accent { background: var(--accent); color: #fff; }
        .badge.light { background: var(--bg-light); color: var(--text-dark); border: 1px solid var(--border-light); }
        .card { border-radius: var(--radius-md); background: var(--bg-card); box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: var(--transition); overflow: hidden; }
        .card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .card-section { padding: 24px; }
        .callout { border-radius: var(--radius-md); border-left: 4px solid var(--primary); }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--nav-height);
            background: rgba(255,255,255,0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.06);
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
            transition: var(--transition);
        }
        .site-header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; }
        .site-header .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.5rem; font-weight: 800; color: var(--text-dark); letter-spacing: -0.5px;
        }
        .site-header .logo .logo-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 40px; height: 40px; border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff; font-weight: 800; font-size: 1.3rem;
        }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            padding: 8px 18px; border-radius: var(--radius-sm);
            font-size: 0.95rem; font-weight: 500; color: var(--text-body);
            transition: var(--transition); position: relative;
        }
        .nav-links a:hover { color: var(--primary); background: rgba(230,57,70,0.06); }
        .nav-links a.active { color: #fff; background: var(--primary); box-shadow: 0 4px 12px rgba(230,57,70,0.3); }
        .nav-links a.active:hover { background: var(--primary-dark); color: #fff; }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .nav-actions .search-box {
            display: flex; align-items: center; gap: 6px;
            background: var(--bg-light); border-radius: var(--radius-xl);
            padding: 6px 16px; border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .nav-actions .search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(230,57,70,0.12); }
        .nav-actions .search-box input {
            border: none; background: transparent; outline: none;
            font-size: 0.9rem; color: var(--text-dark); width: 140px;
        }
        .nav-actions .search-box i { color: var(--text-light); font-size: 0.9rem; }
        .nav-actions .btn-cta {
            padding: 8px 24px; border-radius: var(--radius-xl); font-weight: 600;
            font-size: 0.9rem; background: var(--primary); color: #fff;
            border: none; cursor: pointer; transition: var(--transition);
        }
        .nav-actions .btn-cta:hover { background: var(--primary-dark); transform: scale(1.04); box-shadow: var(--shadow-md); }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--text-dark); cursor: pointer; padding: 4px; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark); color: var(--text-white); padding: 60px 0 0;
        }
        .site-footer .footer-grid {
            display: grid; grid-template-columns: 1.8fr 1fr 1fr 1.2fr; gap: 40px;
            max-width: var(--max-width); margin: 0 auto; padding: 0 24px 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .site-footer .footer-brand .logo { color: #fff; font-size: 1.4rem; margin-bottom: 16px; }
        .site-footer .footer-brand .logo .logo-icon { background: var(--primary); }
        .site-footer .footer-brand p { color: rgba(255,255,255,0.65); font-size: 0.95rem; max-width: 360px; line-height: 1.8; }
        .site-footer .footer-social { display: flex; gap: 14px; margin-top: 20px; }
        .site-footer .footer-social a {
            display: inline-flex; align-items: center; justify-content: center;
            width: 42px; height: 42px; border-radius: 50%;
            background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
            font-size: 1.2rem; transition: var(--transition);
        }
        .site-footer .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
        .site-footer .footer-col h4 { color: #fff; font-size: 1.05rem; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
        .site-footer .footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 3px; background: var(--primary); border-radius: 3px; }
        .site-footer .footer-col a {
            display: block; color: rgba(255,255,255,0.6); font-size: 0.92rem;
            padding: 6px 0; transition: var(--transition);
        }
        .site-footer .footer-col a:hover { color: #fff; padding-left: 6px; }
        .site-footer .footer-bottom {
            max-width: var(--max-width); margin: 0 auto; padding: 24px;
            display: flex; justify-content: space-between; align-items: center;
            color: rgba(255,255,255,0.4); font-size: 0.85rem;
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative; min-height: 360px; display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, rgba(13,27,42,0.88) 0%, rgba(29,53,87,0.80) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff; text-align: center; padding: 60px 24px;
        }
        .page-banner h1 { color: #fff; font-size: 3rem; margin-bottom: 16px; text-shadow: 0 4px 20px rgba(0,0,0,0.3); }
        .page-banner p { color: rgba(255,255,255,0.85); font-size: 1.15rem; max-width: 680px; margin: 0 auto 24px; }
        .page-banner .banner-meta { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
        .page-banner .banner-meta span { background: rgba(255,255,255,0.12); padding: 6px 18px; border-radius: var(--radius-xl); font-size: 0.9rem; color: rgba(255,255,255,0.9); backdrop-filter: blur(4px); }

        /* ===== 攻略分类卡片 ===== */
        .guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .guide-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
            overflow: hidden; transition: var(--transition);
        }
        .guide-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); }
        .guide-card .card-img { height: 200px; overflow: hidden; }
        .guide-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .guide-card:hover .card-img img { transform: scale(1.05); }
        .guide-card .card-body { padding: 24px; }
        .guide-card .card-body .badge { margin-bottom: 12px; }
        .guide-card .card-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .guide-card .card-body p { color: var(--text-light); font-size: 0.95rem; }
        .guide-card .card-footer { padding: 16px 24px; border-top: 1px solid var(--border-light); display: flex; justify-content: space-between; align-items: center; }
        .guide-card .card-footer .meta { color: var(--text-light); font-size: 0.85rem; }
        .guide-card .card-footer .meta i { margin-right: 4px; }

        /* ===== 热门列表 ===== */
        .hot-list { display: grid; gap: 16px; }
        .hot-item {
            display: flex; align-items: center; gap: 20px;
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 20px 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
            transition: var(--transition); cursor: default;
        }
        .hot-item:hover { box-shadow: var(--shadow-md); transform: translateX(6px); border-color: var(--primary-light); }
        .hot-item .rank { font-size: 1.6rem; font-weight: 800; color: var(--primary); min-width: 44px; text-align: center; }
        .hot-item .rank.gold { color: #f1c40f; }
        .hot-item .rank.silver { color: #bdc3c7; }
        .hot-item .rank.bronze { color: #cd7f32; }
        .hot-item .info { flex: 1; }
        .hot-item .info h4 { font-size: 1.05rem; margin-bottom: 4px; }
        .hot-item .info p { color: var(--text-light); font-size: 0.9rem; margin: 0; }
        .hot-item .tag { font-size: 0.85rem; color: var(--primary); font-weight: 600; white-space: nowrap; }

        /* ===== 数据统计 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 32px 20px; text-align: center; box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light); transition: var(--transition);
        }
        .stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .stat-card .number { font-size: 2.4rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
        .stat-card .label { color: var(--text-light); font-size: 0.95rem; margin-top: 8px; }
        .stat-card .icon { font-size: 2rem; color: var(--primary-light); margin-bottom: 12px; }

        /* ===== FAQ ===== */
        .faq-grid { display: grid; gap: 16px; max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-card); border-radius: var(--radius-md);
            border: 1px solid var(--border-light); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-sm); }
        .faq-item summary {
            padding: 20px 24px; font-weight: 600; font-size: 1.05rem;
            color: var(--text-dark); cursor: pointer; display: flex;
            align-items: center; gap: 12px; list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary i { color: var(--primary); font-size: 1.1rem; transition: var(--transition); }
        .faq-item[open] summary i { transform: rotate(90deg); }
        .faq-item .faq-body { padding: 0 24px 20px 52px; color: var(--text-light); line-height: 1.8; }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b2a 100%);
            border-radius: var(--radius-lg); padding: 60px 48px; text-align: center;
            color: #fff; position: relative; overflow: hidden;
        }
        .cta-block::before {
            content: ''; position: absolute; top: -40%; right: -20%;
            width: 400px; height: 400px; border-radius: 50%;
            background: rgba(230,57,70,0.10); pointer-events: none;
        }
        .cta-block h2 { color: #fff; font-size: 2rem; margin-bottom: 16px; }
        .cta-block p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-block .button-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .cta-block .button.primary { background: var(--primary); border-color: var(--primary); padding: 14px 40px; font-size: 1.05rem; }
        .cta-block .button.primary:hover { background: var(--primary-dark); }
        .cta-block .button.hollow { border-color: rgba(255,255,255,0.6); color: #fff; padding: 14px 40px; font-size: 1.05rem; }
        .cta-block .button.hollow:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

        /* ===== 专家推荐 ===== */
        .expert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .expert-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 32px 24px; text-align: center; box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light); transition: var(--transition);
        }
        .expert-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .expert-card .avatar {
            width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex; align-items: center; justify-content: center;
            color: #fff; font-size: 2rem; font-weight: 700;
        }
        .expert-card h4 { margin-bottom: 4px; }
        .expert-card .title { color: var(--primary); font-size: 0.9rem; font-weight: 600; margin-bottom: 12px; }
        .expert-card p { color: var(--text-light); font-size: 0.92rem; margin: 0; }
        .expert-card .badge { margin-top: 14px; display: inline-block; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .guide-grid { grid-template-columns: repeat(2, 1fr); }
            .expert-grid { grid-template-columns: repeat(2, 1fr); }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            body { padding-top: 64px; }
            :root { --nav-height: 64px; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .section { padding: 60px 0; }
            .page-banner h1 { font-size: 2.2rem; }
            .page-banner { min-height: 280px; padding: 40px 20px; }
            .nav-links { display: none; }
            .nav-links.open { display: flex; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(12px); padding: 16px 24px; border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-md); }
            .nav-actions .search-box input { width: 100px; }
            .nav-toggle { display: block; }
            .guide-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .expert-grid { grid-template-columns: 1fr; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .site-footer .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
            .hot-item { flex-wrap: wrap; }
            .cta-block { padding: 40px 24px; }
            .cta-block h2 { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .page-banner h1 { font-size: 1.7rem; }
            .page-banner .banner-meta { gap: 10px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-card { padding: 20px 12px; }
            .stat-card .number { font-size: 1.8rem; }
            .nav-actions .btn-cta { padding: 6px 16px; font-size: 0.8rem; }
            .nav-actions .search-box input { width: 70px; font-size: 0.8rem; }
            .container { padding: 0 16px; }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1b3d;
            --primary-light: #1a2a6c;
            --primary-dark: #0a122e;
            --accent: #e8b830;
            --accent-soft: #f5d97a;
            --accent-dark: #c99f1e;
            --highlight: #ff6b35;
            --bg-body: #f4f6fa;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f1b3d;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8888a0;
            --text-light: #f0f2f8;
            --border-color: #e2e6f0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(15,27,61,0.06);
            --shadow-md: 0 6px 24px rgba(15,27,61,0.10);
            --shadow-lg: 0 16px 48px rgba(15,27,61,0.14);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --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; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--bg-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; }
        ul { list-style: none; padding: 0; margin: 0; }
        /* ===== Container ===== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }
        /* ===== Foundation Overrides ===== */
        .grid-container { max-width: 1200px; padding: 0 24px; }
        .grid-x { margin: 0 -16px; }
        .cell { padding: 0 16px; }
        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-primary); margin-bottom: 0.5rem; }
        h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
        h2 { font-size: 2rem; letter-spacing: -0.015em; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 1.2rem; color: var(--text-secondary); }
        .section-title { text-align: center; margin-bottom: 2.5rem; position: relative; }
        .section-title h2 { display: inline-block; position: relative; }
        .section-title h2::after { content: ''; display: block; width: 60%; height: 4px; background: var(--accent); border-radius: 4px; margin: 10px auto 0; }
        /* ===== Header & Nav ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: var(--accent);
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            font-weight: 800;
        }
        .logo span:last-child { color: var(--primary); }
        .logo:hover { color: var(--primary); }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover { color: var(--primary); background: rgba(15,27,61,0.05); }
        .nav-links a.active { color: var(--primary); background: rgba(15,27,61,0.08); font-weight: 600; }
        .nav-links a.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60%; height: 3px; background: var(--accent); border-radius: 4px; }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border-radius: 50px;
            padding: 0 14px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,184,48,0.15); }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 6px;
            font-size: 0.9rem;
            outline: none;
            width: 140px;
            color: var(--text-primary);
        }
        .search-box input::placeholder { color: var(--text-muted); }
        .search-box button {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            padding: 4px;
            transition: var(--transition);
        }
        .search-box button:hover { color: var(--primary); }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 10px 26px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
            box-shadow: 0 4px 14px rgba(232,184,48,0.30);
        }
        .btn-primary:hover { background: var(--accent-dark); color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,184,48,0.40); }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            border: 2px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .btn-outline:hover { border-color: var(--accent); color: var(--accent-dark); background: rgba(232,184,48,0.04); }
        .menu-toggle { display: none; font-size: 1.4rem; color: var(--primary); cursor: pointer; background: none; border: none; padding: 8px; }
        /* ===== Article Banner ===== */
        .article-banner {
            background: linear-gradient(135deg, rgba(15,27,61,0.92) 0%, rgba(26,42,108,0.85) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 80px 0 60px;
            color: var(--text-light);
            text-align: center;
        }
        .article-banner .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
            margin-bottom: 24px;
        }
        .article-banner .breadcrumb a { color: rgba(255,255,255,0.8); }
        .article-banner .breadcrumb a:hover { color: var(--accent); }
        .article-banner .breadcrumb .sep { color: rgba(255,255,255,0.4); }
        .article-banner h1 {
            font-size: 2.6rem;
            color: #fff;
            max-width: 800px;
            margin: 0 auto 20px;
            line-height: 1.25;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.95rem;
            color: rgba(255,255,255,0.75);
        }
        .article-meta .meta-item { display: flex; align-items: center; gap: 6px; }
        .article-meta .meta-item i { color: var(--accent); }
        .article-meta .category-badge {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
        }
        /* ===== Article Content ===== */
        .article-main { padding: 60px 0; }
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .article-body h2 { margin-top: 2rem; margin-bottom: 1rem; font-size: 1.6rem; }
        .article-body h3 { margin-top: 1.6rem; margin-bottom: 0.8rem; font-size: 1.25rem; }
        .article-body p { line-height: 1.9; margin-bottom: 1.2rem; color: var(--text-secondary); font-size: 1.05rem; }
        .article-body ul, .article-body ol { margin: 1rem 0 1.2rem 1.8rem; color: var(--text-secondary); line-height: 1.9; }
        .article-body li { margin-bottom: 0.4rem; }
        .article-body img { border-radius: var(--radius-md); margin: 1.5rem auto; box-shadow: var(--shadow-sm); }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 24px;
            margin: 1.5rem 0;
            background: rgba(232,184,48,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body code {
            background: rgba(15,27,61,0.06);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-light);
        }
        .article-body a { color: var(--primary-light); text-decoration: underline; text-underline-offset: 3px; }
        .article-body a:hover { color: var(--accent-dark); }
        /* ===== Tags & Share ===== */
        .article-footer-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
        .article-tags .tag-label { font-weight: 600; color: var(--text-secondary); font-size: 0.9rem; }
        .article-tags .tag {
            display: inline-block;
            background: rgba(15,27,61,0.05);
            padding: 5px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--accent); color: var(--primary-dark); }
        .article-share { display: flex; align-items: center; gap: 10px; }
        .article-share .share-label { font-weight: 600; color: var(--text-secondary); font-size: 0.9rem; }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(15,27,61,0.05);
            color: var(--text-secondary);
            transition: var(--transition);
            font-size: 1rem;
        }
        .article-share a:hover { background: var(--accent); color: var(--primary-dark); transform: translateY(-2px); }
        /* ===== Article Navigation ===== */
        .article-nav { padding: 20px 0 60px; }
        .article-nav .nav-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .article-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-white);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .article-nav .nav-link:hover { border-color: var(--accent); box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .article-nav .nav-link .direction { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
        .article-nav .nav-link .title { font-weight: 600; color: var(--text-primary); font-size: 0.95rem; line-height: 1.4; }
        .article-nav .nav-link.next { text-align: right; justify-content: flex-end; }
        /* ===== Related Articles ===== */
        .related-section { padding: 60px 0; background: var(--bg-white); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
        .related-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body { padding: 20px 22px 24px; }
        .related-card .card-body .cat-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(232,184,48,0.12);
            padding: 2px 14px;
            border-radius: 50px;
            margin-bottom: 10px;
        }
        .related-card .card-body h4 { font-size: 1.05rem; margin-bottom: 8px; }
        .related-card .card-body h4 a { color: var(--text-primary); }
        .related-card .card-body h4 a:hover { color: var(--primary-light); }
        .related-card .card-body p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 70px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 { color: #fff; font-size: 2rem; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 600px; margin: 0 auto 30px; }
        .cta-section .btn-primary { background: var(--accent); color: var(--primary-dark); font-size: 1.05rem; padding: 14px 40px; box-shadow: 0 8px 28px rgba(232,184,48,0.35); }
        .cta-section .btn-primary:hover { background: #fff; color: var(--primary); box-shadow: 0 8px 32px rgba(255,255,255,0.25); }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px 40px;
        }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .logo .logo-icon { background: var(--accent); color: var(--primary-dark); }
        .footer-brand .logo span:last-child { color: #fff; }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 18px; max-width: 360px; }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--accent); color: var(--primary-dark); }
        .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
        .footer-col a { display: block; padding: 5px 0; font-size: 0.9rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            max-width: 1200px;
            margin: 0 auto;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
        }
        /* ===== Empty / Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .not-found-box i { font-size: 3rem; color: var(--text-muted); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 1.6rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-secondary); margin-bottom: 24px; }
        .not-found-box .btn-primary { display: inline-flex; }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
        }
        @media (max-width: 768px) {
            .header-inner { height: 60px; }
            .nav-links { display: none; }
            .header-actions .search-box { display: none; }
            .menu-toggle { display: block; }
            .article-banner { padding: 50px 0 40px; }
            .article-banner h1 { font-size: 1.8rem; }
            .article-body { padding: 28px 24px; }
            .article-body p { font-size: 1rem; }
            .article-nav .nav-grid { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-footer-bar { flex-direction: column; align-items: flex-start; }
            .cta-section h2 { font-size: 1.5rem; }
            h1 { font-size: 1.9rem; }
            h2 { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .header-inner { padding: 0 16px; }
            .article-banner h1 { font-size: 1.4rem; }
            .article-body { padding: 20px 16px; }
            .article-meta { gap: 12px; font-size: 0.85rem; }
            .related-card .card-img { height: 140px; }
            .cta-section { padding: 50px 0; }
            .cta-section .btn-primary { padding: 12px 28px; font-size: 0.95rem; }
        }
        /* ===== Mobile Nav Overlay ===== */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(15,27,61,0.6);
            z-index: 200;
            backdrop-filter: blur(4px);
        }
        .mobile-nav-overlay.active { display: block; }
        .mobile-nav-panel {
            position: fixed;
            top: 0; right: -320px;
            width: 300px;
            height: 100%;
            background: var(--bg-white);
            z-index: 210;
            padding: 24px 28px;
            transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
            box-shadow: -8px 0 32px rgba(0,0,0,0.12);
        }
        .mobile-nav-panel.active { right: 0; }
        .mobile-nav-panel .close-btn {
            display: block;
            margin-left: auto;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
        }
        .mobile-nav-panel .mobile-nav-links { margin-top: 24px; }
        .mobile-nav-panel .mobile-nav-links a {
            display: block;
            padding: 14px 0;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .mobile-nav-panel .mobile-nav-links a:hover { color: var(--accent); padding-left: 8px; }
        .mobile-nav-panel .mobile-nav-links a.active { color: var(--accent-dark); font-weight: 700; }

/* roulang page: category3 */
/* ===== Design Variables ===== */
        :root {
            --primary: #c0392b;
            --primary-dark: #96281b;
            --primary-light: #e74c3c;
            --secondary: #f39c12;
            --secondary-light: #f1c40f;
            --accent: #2c3e50;
            --bg-dark: #0d0d0d;
            --bg-darker: #080808;
            --bg-card: #1a1a1a;
            --bg-section: #111111;
            --bg-light: #f8f4f0;
            --text-white: #ffffff;
            --text-light: #cccccc;
            --text-muted: #888888;
            --text-dark: #222222;
            --border-color: #2a2a2a;
            --border-light: #e0d8d0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-white); }
        p { margin-bottom: 1rem; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

        /* ===== Foundation Overrides ===== */
        .grid-container { max-width: var(--max-width); padding-left: 24px; padding-right: 24px; }
        .cell { margin-bottom: 0; }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--header-h);
            background: rgba(8, 8, 8, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.5rem; font-weight: 800; color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            display: inline-flex; align-items: center; justify-content: center;
            width: 40px; height: 40px; border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff; font-size: 1.4rem; font-weight: 900;
        }
        .logo span:last-child { background: linear-gradient(135deg, #fff 60%, var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            padding: 8px 18px; border-radius: 30px;
            font-size: 0.9rem; font-weight: 500; color: var(--text-light);
            transition: var(--transition); position: relative; letter-spacing: 0.3px;
        }
        .nav-links a:hover { color: var(--text-white); background: rgba(255,255,255,0.08); }
        .nav-links a.active {
            color: #fff; background: var(--primary);
            box-shadow: 0 4px 16px rgba(192,57,43,0.35);
        }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .nav-search {
            background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1);
            border-radius: 30px; padding: 8px 18px; display: flex; align-items: center; gap: 8px;
            color: var(--text-muted); font-size: 0.85rem; transition: var(--transition);
            min-width: 180px;
        }
        .nav-search input {
            background: none; border: none; outline: none; color: var(--text-light);
            font-size: 0.85rem; width: 100%;
        }
        .nav-search input::placeholder { color: var(--text-muted); }
        .nav-search:focus-within { border-color: var(--primary); background: rgba(255,255,255,0.1); }
        .btn-header {
            padding: 8px 22px; border-radius: 30px; font-size: 0.85rem; font-weight: 600;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff; border: none; cursor: pointer; transition: var(--transition);
            box-shadow: 0 4px 16px rgba(192,57,43,0.25);
        }
        .btn-header:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(192,57,43,0.4); color: #fff; }
        .mobile-toggle { display: none; background: none; border: none; color: var(--text-white); font-size: 1.6rem; cursor: pointer; padding: 4px; }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-card) 100%);
            position: relative; overflow: hidden;
        }
        .page-banner::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12; pointer-events: none;
        }
        .page-banner .container { position: relative; z-index: 2; }
        .page-banner h1 {
            font-size: 3rem; font-weight: 900; margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 60%, var(--primary-light));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
        }
        .page-banner p {
            font-size: 1.15rem; color: var(--text-light); max-width: 700px;
            margin-bottom: 0;
        }
        .breadcrumb { display: flex; gap: 8px; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px; }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--primary-light); }
        .breadcrumb .current { color: var(--primary-light); }

        /* ===== Section Common ===== */
        .section { padding: 80px 0; }
        .section-title {
            text-align: center; margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem; font-weight: 800; margin-bottom: 12px;
        }
        .section-title p {
            color: var(--text-muted); max-width: 600px; margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-dark { background: var(--bg-section); }
        .section-darker { background: var(--bg-darker); }

        /* ===== Game Category Cards ===== */
        .game-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
        }
        .game-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            border: 1px solid var(--border-color); overflow: hidden;
            transition: var(--transition); cursor: default;
        }
        .game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(192,57,43,0.3); }
        .game-card .card-img {
            height: 180px; overflow: hidden; position: relative;
        }
        .game-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .game-card:hover .card-img img { transform: scale(1.05); }
        .game-card .card-img .badge {
            position: absolute; top: 12px; left: 12px;
            background: var(--primary); color: #fff; padding: 4px 14px;
            border-radius: 20px; font-size: 0.75rem; font-weight: 600;
            letter-spacing: 0.5px;
        }
        .game-card .card-body { padding: 20px; }
        .game-card .card-body h3 { font-size: 1.15rem; margin-bottom: 8px; font-weight: 700; }
        .game-card .card-body p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 12px; }
        .game-card .card-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; color: var(--text-muted); border-top: 1px solid var(--border-color); padding-top: 12px; }
        .game-card .card-meta .tag { background: rgba(192,57,43,0.15); color: var(--primary-light); padding: 2px 12px; border-radius: 20px; font-size: 0.75rem; }

        /* ===== Features / Highlights ===== */
        .features-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px;
        }
        .feature-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 36px 28px; border: 1px solid var(--border-color);
            transition: var(--transition); text-align: center;
        }
        .feature-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow-sm); }
        .feature-card .f-icon {
            width: 64px; height: 64px; border-radius: 50%;
            background: rgba(192,57,43,0.12); display: flex; align-items: center; justify-content: center;
            margin: 0 auto 18px; font-size: 1.6rem; color: var(--primary-light);
        }
        .feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
        .feature-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; }

        /* ===== Provider / Platform ===== */
        .provider-grid {
            display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px;
        }
        .provider-item {
            background: var(--bg-card); border-radius: var(--radius-sm);
            padding: 20px; text-align: center; border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .provider-item:hover { border-color: var(--primary); background: rgba(192,57,43,0.05); }
        .provider-item img { width: 60px; height: 60px; object-fit: contain; margin: 0 auto 12px; border-radius: var(--radius-sm); }
        .provider-item span { font-size: 0.85rem; color: var(--text-light); font-weight: 500; display: block; }

        /* ===== How-to Steps ===== */
        .steps-grid {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            padding: 32px 24px; text-align: center; border: 1px solid var(--border-color);
            position: relative; transition: var(--transition);
        }
        .step-card:hover { transform: translateY(-4px); border-color: var(--primary); }
        .step-card::before {
            counter-increment: step; content: counter(step);
            position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
            width: 36px; height: 36px; border-radius: 50%;
            background: var(--primary); color: #fff; font-size: 1rem; font-weight: 800;
            display: flex; align-items: center; justify-content: center;
            box-shadow: 0 4px 12px rgba(192,57,43,0.3);
        }
        .step-card .s-icon { font-size: 2rem; color: var(--primary-light); margin-bottom: 14px; margin-top: 8px; }
        .step-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
        .step-card p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-card); border-radius: var(--radius-sm);
            border: 1px solid var(--border-color); margin-bottom: 12px;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(192,57,43,0.3); }
        .faq-question {
            padding: 18px 24px; display: flex; justify-content: space-between; align-items: center;
            cursor: pointer; font-weight: 600; color: var(--text-white); font-size: 1rem;
        }
        .faq-question i { transition: var(--transition); color: var(--text-muted); font-size: 0.9rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary-light); }
        .faq-answer {
            padding: 0 24px 18px; color: var(--text-muted); font-size: 0.9rem;
            display: none; line-height: 1.8;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--bg-darker) 60%);
            text-align: center; position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08; pointer-events: none;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
        .cta-section p { color: var(--text-light); max-width: 560px; margin: 0 auto 28px; font-size: 1.05rem; }
        .btn-cta {
            padding: 14px 48px; border-radius: 50px; font-size: 1.05rem; font-weight: 700;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #1a1a1a; border: none; cursor: pointer; transition: var(--transition);
            box-shadow: 0 8px 30px rgba(243,156,18,0.3); display: inline-block;
        }
        .btn-cta:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(243,156,18,0.45); color: #1a1a1a; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker); border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { margin-bottom: 16px; }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); max-width: 360px; }
        .footer-social { display: flex; gap: 12px; margin-top: 18px; }
        .footer-social a {
            width: 40px; height: 40px; border-radius: 50%;
            background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center;
            color: var(--text-muted); font-size: 1.1rem; transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; }
        .footer-col h4 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; color: var(--text-white); }
        .footer-col a {
            display: block; font-size: 0.88rem; color: var(--text-muted); padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid var(--border-color); padding: 20px 0;
            display: flex; justify-content: space-between; align-items: center;
            font-size: 0.82rem; color: var(--text-muted); flex-wrap: wrap; gap: 8px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .game-grid { grid-template-columns: repeat(2, 1fr); }
            .provider-grid { grid-template-columns: repeat(3, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
        }
        @media (max-width: 768px) {
            .mobile-toggle { display: block; }
            .nav-links {
                position: fixed; top: var(--header-h); left: 0; right: 0;
                background: rgba(8,8,8,0.98); backdrop-filter: blur(16px);
                flex-direction: column; padding: 20px 24px; gap: 8px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%); opacity: 0; pointer-events: none;
                transition: var(--transition);
            }
            .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
            .nav-links a { width: 100%; text-align: center; padding: 12px; }
            .nav-actions .nav-search { display: none; }
            .nav-actions .btn-header { padding: 8px 16px; font-size: 0.8rem; }
            .page-banner { padding: 120px 0 60px; }
            .page-banner h1 { font-size: 2rem; }
            .section-title h2 { font-size: 1.6rem; }
            .game-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .features-grid { grid-template-columns: 1fr; gap: 20px; }
            .provider-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .steps-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .game-card .card-img { height: 140px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .page-banner h1 { font-size: 1.6rem; }
            .section { padding: 50px 0; }
            .game-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .provider-grid { grid-template-columns: 1fr 1fr; }
            .btn-cta { padding: 12px 32px; font-size: 0.95rem; }
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e2361c;
            --primary-dark: #b82d15;
            --primary-light: #f85a3e;
            --secondary: #1a2a6c;
            --secondary-light: #2d4a8a;
            --accent: #f5a623;
            --accent-dark: #d48f1a;
            --bg-light: #f8f9fc;
            --bg-dark: #0f1a2e;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #8888aa;
            --text-white: #ffffff;
            --border-light: #e8e8f0;
            --border-medium: #d0d0e0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.14);
            --shadow-hover: 0 16px 48px rgba(226, 54, 28, 0.18);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-main: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 76px;
        }

        /* ===== 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-main);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ===== Typography ===== */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .section-title-center {
            text-align: center;
        }
        .section-subtitle-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        @media screen and (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.03em;
            flex-shrink: 0;
        }

        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(226, 54, 28, 0.3);
        }

        .logo span:last-child {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(226, 54, 28, 0.06);
        }

        .nav-links a.active {
            color: var(--primary);
            background: rgba(226, 54, 28, 0.10);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            border-radius: 30px;
            padding: 0 16px;
            transition: all var(--transition);
            height: 40px;
        }

        .nav-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(226, 54, 28, 0.12);
        }

        .nav-search input {
            border: none;
            background: transparent;
            padding: 8px 0 8px 8px;
            font-size: 0.9rem;
            color: var(--text-primary);
            outline: none;
            min-width: 140px;
        }

        .nav-search input::placeholder {
            color: var(--text-light);
        }

        .nav-search button {
            border: none;
            background: none;
            color: var(--text-light);
            cursor: pointer;
            padding: 4px;
            font-size: 0.95rem;
            transition: color var(--transition);
        }

        .nav-search button:hover {
            color: var(--primary);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-medium);
            color: var(--text-primary);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: rgba(226, 54, 28, 0.04);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: none;
            color: #fff;
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(226, 54, 28, 0.32);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(226, 54, 28, 0.40);
        }

        .btn-signup:active {
            transform: translateY(0);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        @media screen and (max-width: 1024px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                gap: 4px;
                max-height: 70vh;
                overflow-y: auto;
            }

            .nav-links.is-open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

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

            .nav-toggle {
                display: block;
            }

            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                display: none;
            }

            .nav-search {
                flex: 1;
                max-width: 200px;
            }

            .nav-search input {
                min-width: 80px;
            }
        }

        @media screen and (max-width: 520px) {
            .logo {
                font-size: 1.1rem;
            }
            .logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .nav-search {
                max-width: 120px;
                padding: 0 10px;
                height: 36px;
            }
            .nav-search input {
                min-width: 60px;
                font-size: 0.8rem;
                padding: 4px 0 4px 4px;
            }
            .site-header .container {
                padding: 0 12px;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            margin-top: var(--header-height);
            min-height: 380px;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--secondary) 50%, var(--primary-dark) 100%);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(226, 54, 28, 0.20) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 50%, rgba(26, 42, 108, 0.30) 0%, transparent 60%);
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 1rem;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .page-hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            padding: 6px 20px;
            border-radius: 30px;
            color: var(--text-white);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

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

        @media screen and (max-width: 768px) {
            .page-hero {
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }

        @media screen and (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .page-hero .container {
                padding-top: 24px;
                padding-bottom: 24px;
            }
        }

        /* ===== Section Spacing ===== */
        .section-block {
            padding: 80px 0;
        }

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

        .section-block-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }

        .section-block-dark .section-title {
            color: var(--text-white);
        }

        .section-block-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        @media screen and (max-width: 768px) {
            .section-block {
                padding: 48px 0;
            }
        }

        /* ===== Cards Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .card-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

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

        @media screen and (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Card Component ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 24px;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin: -24px -24px 16px -24px;
            height: 200px;
            position: relative;
        }

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

        .card:hover .card-image img {
            transform: scale(1.04);
        }

        .card .card-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(226, 54, 28, 0.08);
            color: var(--primary);
            margin-bottom: 10px;
            width: fit-content;
        }

        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        .card .card-footer {
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .card .card-footer a {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card .card-footer a:hover {
            gap: 10px;
        }

        /* ===== Feature / Icon Card ===== */
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: rgba(226, 54, 28, 0.15);
        }

        .feature-card .icon-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(226, 54, 28, 0.10), rgba(226, 54, 28, 0.04));
            color: var(--primary);
            font-size: 1.6rem;
            margin-bottom: 18px;
            transition: all var(--transition);
        }

        .feature-card:hover .icon-wrap {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(226, 54, 28, 0.25);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Stats / Number Block ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(4px);
            transition: all var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-4px);
        }

        .stat-item .number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-item .label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }

        @media screen and (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .number {
                font-size: 2rem;
            }
        }

        @media screen and (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .number {
                font-size: 1.8rem;
            }
        }

        /* ===== Betting Types ===== */
        .betting-types {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .bet-type-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-card);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .bet-type-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .bet-type-item .icon-box {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(226, 54, 28, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .bet-type-item .content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .bet-type-item .content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        @media screen and (max-width: 768px) {
            .betting-types {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: rgba(0, 0, 0, 0.02);
        }

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

        .faq-item.is-active .faq-question .icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.is-active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }

        .cta-block .container-inner {
            position: relative;
            z-index: 2;
        }

        .cta-block h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }

        .cta-block p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .cta-block .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--text-primary);
            padding: 14px 40px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 8px 28px rgba(245, 166, 35, 0.35);
        }

        .cta-block .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(245, 166, 35, 0.50);
            background: #ffb84d;
        }

        @media screen and (max-width: 768px) {
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .cta-block p {
                font-size: 0.95rem;
            }
            .cta-block .btn-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-brand .logo {
            font-size: 1.4rem;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .footer-brand .logo .logo-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 12px rgba(226, 54, 28, 0.3);
        }

        .footer-brand p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin-bottom: 18px;
            max-width: 380px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            transition: all var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: all var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 40px;
            padding: 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media screen and (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 16px 0;
            font-size: 0.88rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

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

        .breadcrumb .sep {
            color: var(--text-light);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Tag / Badge ===== */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(226, 54, 28, 0.08);
            color: var(--primary);
            transition: all var(--transition);
        }

        .tag:hover {
            background: var(--primary);
            color: #fff;
        }

        .tag-outline {
            background: transparent;
            border: 1px solid var(--border-medium);
            color: var(--text-secondary);
        }

        .tag-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(226, 54, 28, 0.04);
        }

        /* ===== Divider ===== */
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 0 auto 1.5rem;
        }

        .section-divider-left {
            margin: 0 0 1.5rem;
        }

        /* ===== Responsive Utilities ===== */
        @media screen and (max-width: 768px) {
            .hide-for-mobile {
                display: none !important;
            }
        }

        @media screen and (min-width: 769px) {
            .hide-for-desktop {
                display: none !important;
            }
        }

        /* ===== Scroll Reveal ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.is-visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== Live Match Highlight ===== */
        .live-match-bar {
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            padding: 12px 0;
            color: #fff;
            font-size: 0.9rem;
            overflow: hidden;
        }

        .live-match-bar .container {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: nowrap;
        }

        .live-match-bar .live-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: #fff;
            border-radius: 50%;
            animation: pulse-dot 1.4s ease-in-out infinite;
            margin-right: 8px;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.7);
            }
        }

        .live-match-bar .match-item {
            display: flex;
            align-items: center;
            gap: 12px;
            white-space: nowrap;
        }

        .live-match-bar .match-item .score {
            font-weight: 700;
            background: rgba(255, 255, 255, 0.2);
            padding: 2px 12px;
            border-radius: 20px;
        }

        @media screen and (max-width: 768px) {
            .live-match-bar .container {
                gap: 16px;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
            }
            .live-match-bar .match-item {
                font-size: 0.8rem;
            }
        }

        /* ===== League Tabs ===== */
        .league-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .league-tab {
            padding: 8px 20px;
            border-radius: 30px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
        }

        .league-tab:hover {
            border-color: var(--primary-light);
            color: var(--primary);
        }

        .league-tab.is-active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(226, 54, 28, 0.30);
        }

        /* ===== Odds Table ===== */
        .odds-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background: var(--bg-card);
        }

        .odds-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
            min-width: 600px;
        }

        .odds-table th {
            background: var(--bg-light);
            padding: 14px 18px;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            border-bottom: 2px solid var(--border-light);
            font-size: 0.88rem;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        .odds-table td {
            padding: 12px 18px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
        }

        .odds-table tr:hover td {
            background: rgba(226, 54, 28, 0.03);
        }

        .odds-table .odds-value {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
        }

        .odds-table .team-name {
            font-weight: 600;
            color: var(--text-primary);
        }

        @media screen and (max-width: 640px) {
            .odds-table th,
            .odds-table td {
                padding: 10px 12px;
                font-size: 0.82rem;
            }
        }