:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --light-bg: #f8fafc;
            --dark-text: #1e293b;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            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(rgba(30, 58, 138, 0.9), rgba(30, 58, 138, 0.8)), 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;
        }
        .hero-title {
            font-size: 3rem;
            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: 2.2rem;
            }
        }
        .feature-card {
            border: none;
            border-radius: 15px;
            transition: var(--transition);
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 1.8rem;
        }
        .prediction-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            transition: var(--transition);
            border-left: 4px solid var(--secondary-color);
        }
        .prediction-card:hover {
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
        }
        .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 15px;
        }
        .team {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 40%;
        }
        .team-logo {
            width: 60px;
            height: 60px;
            background: var(--light-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 10px;
            font-size: 1.8rem;
        }
        .vs {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--secondary-color);
        }
        .prediction-score {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            text-align: center;
            margin: 15px 0;
        }
        .confidence-meter {
            height: 8px;
            background: #e5e7eb;
            border-radius: 4px;
            overflow: hidden;
            margin-top: 15px;
        }
        .confidence-fill {
            height: 100%;
            background: linear-gradient(to right, #10b981, var(--accent-color));
        }
        .article-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .article-img {
            height: 200px;
            object-fit: cover;
        }
        .stats-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 5px;
        }
        .flink {
            display: inline-block;
            background: var(--light-bg);
            padding: 10px 20px;
            border-radius: 50px;
            margin: 5px 10px 5px 0;
            transition: var(--transition);
            text-decoration: none;
            color: var(--dark-text);
            border: 1px solid #e5e7eb;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background: #0f172a;
            color: #cbd5e1;
        }
        .footer-link {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-link:hover {
            color: white;
            text-decoration: underline;
        }
        .contact-info i {
            width: 30px;
            color: var(--accent-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;
            text-decoration: none;
            z-index: 1000;
            opacity: 0;
            transition: var(--transition);
        }
        .back-to-top.show {
            opacity: 1;
        }
        .back-to-top:hover {
            background: var(--secondary-color);
            transform: translateY(-5px);
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(30, 58, 138, 0.1);
            color: var(--primary-color);
            font-weight: 600;
        }
        .badge-prediction {
            background: var(--secondary-color);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.85rem;
        }
        .data-table {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
        .table th {
            background: var(--primary-color);
            color: white;
            border: none;
        }
        .table td {
            border-color: #e5e7eb;
        }
        .table-hover tbody tr:hover {
            background-color: rgba(30, 58, 138, 0.05);
        }