:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e95420;
            --dark-color: #2c3e50;
            --light-color: #f8f9fa;
            --success-color: #28a745;
            --warning-color: #ffc107;
            --info-color: #17a2b8;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color);
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1536935338788-846bb9981813?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0 80px;
            position: relative;
        }
        .hero-section h1 {
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero-section .lead {
            font-size: 1.25rem;
            margin-bottom: 30px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 30px;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        .section-title.text-center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-icon {
            width: 70px;
            height: 70px;
            background-color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 30px;
        }
        .live-match {
            background-color: var(--light-color);
            border-left: 5px solid var(--secondary-color);
            padding: 15px;
            margin-bottom: 20px;
            border-radius: 0 5px 5px 0;
        }
        .team-flag {
            width: 40px;
            height: 30px;
            object-fit: cover;
            border-radius: 3px;
            margin-right: 10px;
        }
        .match-score {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary-color);
        }
        .prediction-badge {
            font-size: 0.9rem;
            padding: 5px 12px;
            border-radius: 20px;
        }
        .prediction-win {
            background-color: rgba(40, 167, 69, 0.15);
            color: var(--success-color);
            border: 1px solid rgba(40, 167, 69, 0.3);
        }
        .prediction-draw {
            background-color: rgba(255, 193, 7, 0.15);
            color: var(--warning-color);
            border: 1px solid rgba(255, 193, 7, 0.3);
        }
        .prediction-loss {
            background-color: rgba(220, 53, 69, 0.15);
            color: #dc3545;
            border: 1px solid rgba(220, 53, 69, 0.3);
        }
        .stat-box {
            text-align: center;
            padding: 20px;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 20px;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 5px;
        }
        .stat-label {
            font-size: 1rem;
            color: #666;
        }
        .analysis-box {
            border-left: 4px solid var(--primary-color);
            padding-left: 20px;
            margin-bottom: 30px;
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px 10px;
            background-color: white;
            border-radius: 5px;
            color: var(--dark-color);
            text-decoration: none;
            border: 1px solid #dee2e6;
            transition: all 0.3s;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
        }
        footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 40px;
            font-size: 0.9rem;
            color: #aaa;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            font-weight: 600;
        }
        .btn-primary:hover {
            background-color: #154d8a;
            border-color: #154d8a;
        }
        .btn-secondary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            padding: 10px 25px;
            font-weight: 600;
        }
        .btn-secondary:hover {
            background-color: #c34113;
            border-color: #c34113;
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(26, 95, 180, 0.25);
        }
        .table th {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 50px;
                text-align: center;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background-color: var(--primary-color);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--primary-color);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 1000;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--secondary-color);
            color: white;
        }