:root {
            --primary-color: #1e3a8a;
            --secondary-color: #dc2626;
            --accent-color: #f59e0b;
            --light-bg: #f8fafc;
            --dark-text: #1f2937;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            line-height: 1.7;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #0f172a);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: white !important;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.9) !important;
            font-weight: 500;
            margin: 0 8px;
            transition: all 0.3s ease;
            border-bottom: 2px solid transparent;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-color) !important;
            border-bottom-color: var(--accent-color);
        }
        .hero {
            background: url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            padding: 120px 0 80px;
            color: white;
            text-shadow: 1px 1px 5px rgba(0,0,0,0.8);
            position: relative;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: rgba(0, 0, 50, 0.6);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            margin-bottom: 1.5rem;
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 20px;
            margin-bottom: 2.5rem;
            font-weight: 700;
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.4s ease, box-shadow 0.4s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
        }
        .card-img-top {
            border-radius: 12px 12px 0 0;
            height: 220px;
            object-fit: cover;
        }
        .live-score {
            background: linear-gradient(90deg, #dc2626, #b91c1c);
            color: white;
            border-radius: 10px;
            padding: 15px;
            font-weight: bold;
            font-size: 1.2rem;
            margin-bottom: 30px;
            box-shadow: 0 4px 10px rgba(220, 38, 38, 0.3);
        }
        .data-table {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 12px rgba(0,0,0,0.05);
        }
        .table th {
            background-color: var(--primary-color);
            color: white;
            border: none;
        }
        .friendlink {
            background-color: var(--light-bg);
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            color: var(--primary-color);
            padding: 12px 25px;
            margin: 10px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--accent-color);
            transform: scale(1.05);
        }
        footer {
            background: #0f172a;
            color: #cbd5e1;
            padding-top: 50px;
        }
        footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: var(--accent-color);
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            margin-right: 10px;
            transition: background 0.3s;
        }
        .social-icons a:hover {
            background: var(--secondary-color);
        }
        .btn-predict {
            background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 700;
            transition: all 0.3s ease;
        }
        .btn-predict:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 15px rgba(220, 38, 38, 0.4);
        }
        .analysis-box {
            border-left: 4px solid var(--accent-color);
            background: #fff9ed;
            padding: 20px;
            border-radius: 0 10px 10px 0;
            margin-bottom: 25px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }
        .stat-item {
            background: white;
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
        }
        img {
            max-width: 100%;
            height: auto;
        }