:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --dark-color: #0f172a;
            --light-color: #f8fafc;
            --text-color: #334155;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
            background-color: #fefefe;
        }
        h1, h2, h3, h4, h5 {
            color: var(--dark-color);
            font-weight: 700;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #0f172a 100%);
            color: white;
            padding: 120px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
        }
        @media (max-width: 768px) {
            .hero-section h1 { font-size: 2.5rem; }
            .hero-section { padding: 80px 0; }
        }
        .btn-primary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: #b91c1c;
            border-color: #b91c1c;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(220, 38, 38, 0.3);
        }
        .section-padding {
            padding: 100px 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 20px;
            margin-bottom: 60px;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
            border-radius: 2px;
        }
        .card {
            border: none;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .live-score {
            background-color: #0f172a;
            color: white;
            padding: 20px;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
            border-left: 5px solid var(--secondary-color);
        }
        .live-score .team {
            font-size: 1.8rem;
            font-weight: 700;
        }
        .score {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent-color);
        }
        .data-table {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        .data-table thead th {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 15px;
        }
        .data-table tbody tr {
            transition: var(--transition);
        }
        .data-table tbody tr:hover {
            background-color: rgba(30, 58, 138, 0.05);
        }
        .analysis-box {
            background-color: #f8fafc;
            border-left: 5px solid var(--accent-color);
            padding: 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 30px;
        }
        .flink {
            display: inline-block;
            background-color: #f1f5f9;
            color: var(--dark-color);
            padding: 12px 25px;
            border-radius: 50px;
            margin: 8px 10px;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid #e2e8f0;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            border-color: var(--primary-color);
        }
        footer {
            background-color: var(--dark-color);
            color: #cbd5e1;
            padding: 70px 0 20px;
        }
        footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .copyright {
            border-top: 1px solid #334155;
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            font-size: 0.9rem;
        }
        .contact-info i {
            width: 30px;
            color: var(--accent-color);
        }
        .form-control {
            border-radius: var(--border-radius);
            padding: 12px 15px;
            border: 1px solid #cbd5e1;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(30, 58, 138, 0.25);
        }
        .match-prediction {
            background: linear-gradient(90deg, #1e3a8a, #3b82f6);
            color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .prediction-odds {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-color);
        }
        .team-flag {
            width: 60px;
            height: auto;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }
        .sticky-nav {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--secondary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            text-decoration: none;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-5px);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
            border-left: 2px solid var(--primary-color);
            margin-left: 20px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 40px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--primary-color);
        }
        .img-hover-zoom {
            overflow: hidden;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
        }
        .img-hover-zoom img {
            transition: transform 0.5s ease;
            width: 100%;
            height: 250px;
            object-fit: cover;
        }
        .card:hover .img-hover-zoom img {
            transform: scale(1.05);
        }