/* roulang page: index */
:root {
            --primary: #E8590C;
            --primary-dark: #D1490B;
            --secondary: #1E1E2E;
            --light-bg: #F8F9FA;
            --gold: #FFD43B;
            --white: #FFFFFF;
            --gray-text: #B0B0B0;
            --body-text: #333333;
            --card-shadow: 0 4px 24px rgba(0,0,0,0.06);
            --card-hover-shadow: 0 12px 32px rgba(232,89,12,0.12);
            --radius-card: 20px;
            --radius-btn: 40px;
            --radius-small: 8px;
            --font-title: 'Alibaba PuHuiTi', 'PingFang SC', 'Noto Sans SC', sans-serif;
            --font-body: 'Alibaba PuHuiTi', 'PingFang SC', 'Noto Sans SC', sans-serif;
            --font-data: 'DIN Alternate', 'Alibaba PuHuiTi', sans-serif;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

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

        body {
            font-family: var(--font-body);
            font-weight: 400;
            line-height: 1.7;
            color: var(--body-text);
            background-color: var(--light-bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        h1, h2, h3, h4 {
            font-family: var(--font-title);
            font-weight: 700;
            line-height: 1.3;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* 导航栏 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(30, 30, 46, 0.95);
            backdrop-filter: blur(12px);
            z-index: 100;
            border-bottom: 1px solid var(--primary);
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 900;
            font-size: 1.8rem;
            font-family: var(--font-title);
            letter-spacing: 1px;
        }

        .logo-icon {
            font-size: 2rem;
            color: var(--gold);
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            align-items: center;
            color: #CCCCCC;
            font-weight: 500;
        }

        .nav-links a {
            position: relative;
            padding: 0.25rem 0;
        }

        .nav-links a:hover {
            color: var(--white);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            color: #CCCCCC;
        }

        .nav-actions .fa-search {
            font-size: 1.2rem;
            cursor: pointer;
            opacity: 0.8;
        }

        .nav-actions .fa-search:hover {
            opacity: 1;
            color: var(--white);
        }

        .login-link {
            font-weight: 500;
            color: #CCCCCC;
        }

        .login-link:hover {
            color: var(--white);
        }

        .btn-join {
            background: var(--primary);
            color: var(--white);
            padding: 0.5rem 1.8rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            white-space: nowrap;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(232,89,12,0.3);
        }

        .btn-join:hover {
            background: var(--primary-dark);
            color: var(--white);
            box-shadow: 0 6px 16px rgba(209,73,11,0.5);
        }

        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            color: var(--white);
            cursor: pointer;
        }

        @media (max-width: 1023px) {
            .nav-links, .nav-actions {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
                padding: 1rem 0;
            }

            .nav-links.active, .nav-actions.active {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .nav-wrapper {
                justify-content: space-between;
            }
        }

        /* Hero */
        .hero {
            background: linear-gradient(135deg, #1E1E2E 0%, #E8590C 100%);
            padding: 8rem 1.5rem 5rem;
            position: relative;
            overflow: hidden;
            color: var(--white);
            display: flex;
            align-items: center;
            min-height: 80vh;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 40%, rgba(255,212,59,0.08) 0%, transparent 60%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .hero-text {
            flex: 1 1 500px;
        }

        .hero h1 {
            font-weight: 900;
            font-size: 3rem;
            color: var(--white);
            margin-bottom: 1rem;
            letter-spacing: 1px;
        }

        .hero .subtitle {
            font-size: 1.3rem;
            font-weight: 400;
            color: rgba(255,255,255,0.85);
            margin-bottom: 2rem;
        }

        .cta-group {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 8px 20px rgba(232,89,12,0.4);
            display: inline-block;
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(209,73,11,0.6);
            color: white;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid white;
            color: white;
            padding: 0.95rem 2.3rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }

        .btn-outline:hover {
            background: rgba(255,255,255,0.15);
            color: white;
        }

        .badge-float {
            display: flex;
            gap: 1.5rem;
            margin-top: 2.5rem;
            flex-wrap: wrap;
        }

        .badge {
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(8px);
            padding: 0.6rem 1.2rem;
            border-radius: 30px;
            color: white;
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            border: 1px solid rgba(255,255,255,0.25);
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero .subtitle {
                font-size: 1rem;
            }
        }

        /* 数据看板 */
        .dashboard {
            background: var(--secondary);
            padding: 4rem 1.5rem;
            color: white;
        }

        .stats-grid {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
        }

        .stat-item .stat-number {
            font-family: var(--font-data);
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
        }

        .stat-label {
            color: #aaa;
            font-size: 1rem;
            margin-top: 0.5rem;
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 2.5rem;
            }
        }

        /* 核心服务 */
        .services {
            padding: 5rem 1.5rem;
            background: var(--light-bg);
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 3rem;
            color: var(--secondary);
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .service-card {
            background: white;
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            border-top: 4px solid transparent;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--card-hover-shadow);
            border-top: 4px solid var(--primary);
        }

        .card-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            color: var(--secondary);
        }

        .service-card p {
            color: #555;
            margin-bottom: 1rem;
        }

        .badge-highlight {
            background: rgba(232,89,12,0.1);
            color: var(--primary);
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-block;
        }

        @media (max-width: 1023px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 赛果对比 */
        .compare {
            padding: 5rem 1.5rem;
            background: white;
        }

        .compare-wrapper {
            max-width: 1000px;
            margin: 0 auto;
            display: flex;
            gap: 2rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .compare-card {
            flex: 1;
            background: #f4f4f9;
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: var(--card-shadow);
        }

        .compare-card.after {
            border: 2px solid var(--primary);
            background: #fff7f0;
        }

        .compare-icon {
            font-size: 2rem;
            color: var(--primary);
            margin: 1rem 0;
        }

        .progress-item {
            margin: 1rem 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .progress-bar {
            height: 8px;
            background: #ddd;
            border-radius: 10px;
            flex: 1;
        }

        .progress-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 10px;
            width: 0%;
        }

        /* FAQ */
        .faq {
            padding: 5rem 1.5rem;
            background: var(--light-bg);
        }

        .accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-item {
            background: white;
            border-radius: 12px;
            margin-bottom: 1rem;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
        }

        .accordion-title {
            padding: 1.2rem 1.8rem;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-left: 4px solid var(--primary);
            background: white;
            border-radius: 12px;
        }

        .accordion-content {
            padding: 0 1.8rem 1.2rem;
            display: none;
            color: #444;
        }

        .accordion-item.active .accordion-content {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1E1E2E, #E8590C);
            padding: 5rem 1.5rem;
            text-align: center;
            color: white;
        }

        .cta-form {
            display: flex;
            max-width: 500px;
            margin: 2rem auto 0;
            gap: 0.5rem;
        }

        .cta-form input {
            flex: 1;
            padding: 1rem 1.5rem;
            border-radius: 30px;
            border: none;
            font-size: 1rem;
        }

        .btn-gold {
            background: var(--gold);
            color: #1E1E2E;
            font-weight: 700;
            padding: 1rem 2rem;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-gold:hover {
            background: #ffc107;
        }

        @media (max-width: 640px) {
            .cta-form {
                flex-direction: column;
            }
            .cta-form input, .btn-gold {
                width: 100%;
                border-radius: 30px;
            }
        }

        /* 页脚 */
        .footer {
            background: #0f0f1a;
            color: #aaa;
            padding: 3rem 1.5rem;
            text-align: center;
        }

        .social-icons i {
            font-size: 1.5rem;
            margin: 0 0.8rem;
            color: #666;
            transition: var(--transition);
            cursor: default;
        }

        .social-icons i:hover {
            color: var(--primary);
        }

        .copyright {
            margin-top: 1.5rem;
            font-size: 0.9rem;
        }