:root {
            --primary-color: #0a3d62;
            --secondary-color: #1e90ff;
            --accent-color: #ff6b6b;
            --light-color: #f8f9fa;
            --dark-color: #2d3436;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', 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: linear-gradient(135deg, var(--primary-color) 0%, #1a5276 100%);
            box-shadow: var(--shadow);
            padding: 1rem 0;
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: bold;
            color: white !important;
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.9) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(rgba(10, 61, 98, 0.85), rgba(26, 82, 118, 0.9)), url('https://images.unsplash.com/photo-1553778263-73a83bab9b0c?ixlib=rb-4.0.3&auto=format&fit=crop&w=2071&q=80') no-repeat center center/cover;
            color: white;
            padding: 6rem 0;
            text-align: center;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
        }
        .hero-section p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .btn-primary {
            background-color: var(--secondary-color);
            border: none;
            padding: 0.8rem 2rem;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: #0b5ed7;
            transform: scale(1.05);
            box-shadow: 0 6px 15px rgba(30, 144, 255, 0.4);
        }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
            padding-bottom: 1rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--accent-color);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: 15px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
        }
        .card-img-top {
            border-top-left-radius: 15px;
            border-top-right-radius: 15px;
            height: 200px;
            object-fit: cover;
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        .live-score {
            background: linear-gradient(135deg, #ff6b6b, #ee5a52);
            color: white;
            padding: 1rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0;
        }
        .data-table th, .data-table td {
            border: 1px solid #dee2e6;
            padding: 0.75rem;
            text-align: center;
        }
        .data-table th {
            background-color: var(--primary-color);
            color: white;
        }
        .data-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .analysis-content {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 15px;
            margin: 2rem 0;
        }
        .friendlink {
            background-color: #f1f8ff;
            padding: 3rem 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            border-radius: 8px;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            box-shadow: 0 3px 8px rgba(0,0,0,0.1);
        }
        .flink:hover {
            background: var(--secondary-color);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        footer a {
            color: #adb5bd;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: var(--secondary-color);
        }
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin: 0 0.5rem;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--secondary-color);
            transform: rotate(15deg);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section p {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }