:root {
            --primary-color: #0a3d62;
            --secondary-color: #1e90ff;
            --accent-color: #ff6b6b;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--primary-color);
        }
        .navbar {
            background-color: rgba(10, 61, 98, 0.95);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: white !important;
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.9) !important;
            font-weight: 500;
            margin: 0 8px;
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #1a5276 100%);
            color: white;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 20px;
        }
        .hero-section p {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        .card-img-top {
            border-radius: 15px 15px 0 0;
            height: 200px;
            object-fit: cover;
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: var(--secondary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 1.8rem;
        }
        .live-score {
            background: linear-gradient(90deg, #ff7e5f, #feb47b);
            color: white;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        .data-table {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .data-table th {
            background: var(--primary-color);
            color: white;
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            margin: 10px 15px;
            padding: 10px 20px;
            background: white;
            border-radius: 50px;
            color: var(--dark-color);
            text-decoration: none;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            font-weight: 500;
        }
        .flink:hover {
            background: var(--secondary-color);
            color: white;
            transform: translateY(-5px);
        }
        footer {
            background: var(--dark-color);
            color: #adb5bd;
            padding: 60px 0 20px;
        }
        footer a {
            color: #adb5bd;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: var(--secondary-color);
        }
        .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;
            font-size: 1.5rem;
            text-decoration: none;
            opacity: 0.8;
            transition: var(--transition);
            z-index: 1000;
        }
        .back-to-top:hover {
            opacity: 1;
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }