:root {
            --primary-color: #1a73e8;
            --secondary-color: #34a853;
            --accent-color: #ea4335;
            --dark-color: #202124;
            --light-color: #f8f9fa;
            --gray-color: #5f6368;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(26, 115, 232, 0.9) 0%, rgba(52, 168, 83, 0.85) 100%), 
                        url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            position: relative;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 50px;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary-color);
        }
        .center-title:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: all 0.3s ease;
            border: none;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        .service-icon {
            width: 80px;
            height: 80px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: white;
            font-size: 2rem;
        }
        .data-counter {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .feature-box {
            padding: 30px;
            border-radius: 10px;
            background: white;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            height: 100%;
            transition: all 0.3s ease;
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        .match-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }
        .match-card:hover {
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        .match-header {
            background: var(--dark-color);
            color: white;
            padding: 12px 20px;
            font-weight: 600;
        }
        .team-logo {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary-color);
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 5px 10px;
            background: #f8f9fa;
            border-radius: 30px;
            color: var(--gray-color);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #e9ecef;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .footer {
            background: var(--dark-color);
            color: #e8eaed;
            padding: 60px 0 20px;
        }
        .footer a {
            color: #bdc1c6;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: white;
        }
        .copyright {
            border-top: 1px solid #3c4043;
            padding-top: 20px;
            margin-top: 40px;
            font-size: 0.9rem;
            color: #9aa0a6;
        }
        .btn-primary-custom {
            background: var(--primary-color);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary-custom:hover {
            background: #0d62d9;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(26, 115, 232, 0.2);
        }
        .form-control-custom {
            padding: 15px;
            border-radius: 8px;
            border: 1px solid #dadce0;
            transition: all 0.3s ease;
        }
        .form-control-custom:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--primary-color);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -38px;
            top: 5px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 1000;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: #0d62d9;
            transform: translateY(-5px);
        }
        .news-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .news-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--primary-color);
            color: white;
            padding: 8px 12px;
            border-radius: 5px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .partner-logo {
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 15px;
            border-radius: 8px;
            background: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        .partner-logo:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        .bg-gradient-primary {
            background: linear-gradient(135deg, var(--primary-color) 0%, #0d62d9 100%);
        }
        .stat-item {
            padding: 30px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            text-align: center;
        }