:root {
            --primary-color: #0a3d62;
            --secondary-color: #1e90ff;
            --accent-color: #ff6b6b;
            --text-primary: #333333;
            --text-secondary: #666666;
            --light-bg: #f8f9fa;
            --border-color: #eaeaea;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(10, 61, 98, 0.85), rgba(10, 61, 98, 0.9)), 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;
            margin-bottom: 60px;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .section-title.center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .analysis-card {
            border-top: 4px solid var(--secondary-color);
        }
        .data-card {
            border-top: 4px solid var(--accent-color);
        }
        .live-score {
            background: linear-gradient(135deg, #1e90ff 0%, #0a3d62 100%);
            color: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 10px 20px rgba(30, 144, 255, 0.2);
        }
        .team-flag {
            width: 60px;
            height: 40px;
            object-fit: cover;
            border-radius: 4px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .match-time {
            font-size: 1.8rem;
            font-weight: 700;
            color: #ffd700;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary-color);
            line-height: 1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .prediction-badge {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .win-prob {
            background-color: rgba(46, 204, 113, 0.15);
            color: #27ae60;
        }
        .draw-prob {
            background-color: rgba(241, 196, 15, 0.15);
            color: #f39c12;
        }
        .loss-prob {
            background-color: rgba(231, 76, 60, 0.15);
            color: #c0392b;
        }
        .feature-icon {
            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;
        }
        .article-box {
            border-left: 4px solid var(--secondary-color);
            padding-left: 20px;
            margin-bottom: 30px;
            transition: all 0.3s ease;
        }
        .article-box:hover {
            border-left-color: var(--accent-color);
            transform: translateX(5px);
        }
        .footer {
            background-color: var(--primary-color);
            color: white;
            padding: 60px 0 30px;
        }
        .footer a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: white;
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 40px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
        }
        .friendlink {
            background-color: var(--light-bg);
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            padding: 10px 25px;
            margin: 5px 10px;
            background: white;
            border-radius: 8px;
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
        }
        .flink:hover {
            background: var(--secondary-color);
            color: white;
            transform: translateY(-3px);
            border-color: var(--secondary-color);
        }
        .btn-primary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 10px 30px;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #0a7cff;
            border-color: #0a7cff;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(30, 144, 255, 0.2);
        }
        .form-control {
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }
        .form-control:focus {
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 0.25rem rgba(30, 144, 255, 0.25);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
            padding-left: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -38px;
            top: 5px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: white;
            border: 4px solid var(--secondary-color);
            z-index: 1;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--secondary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            text-decoration: none;
            z-index: 100;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(30, 144, 255, 0.3);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: #0a7cff;
            color: white;
            transform: translateY(-5px);
        }