:root {
            --primary-color: #1a5fb4;
            --secondary-color: #ff6b00;
            --dark-color: #1a1a2e;
            --light-color: #f8f9fa;
            --success-color: #2ecc71;
            --border-radius: 8px;
        }
        body {
            font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
            color: #333;
            line-height: 1.6;
            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;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 95, 180, 0.9), rgba(26, 26, 46, 0.9)), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=1771&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            margin-bottom: 60px;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--secondary-color);
        }
        .feature-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            border-top: 4px solid var(--primary-color);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .prediction-card {
            border-left: 4px solid var(--success-color);
            background: #f8fff9;
            padding: 20px;
            margin-bottom: 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .team-logo {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 15px;
        }
        .match-time {
            color: var(--secondary-color);
            font-weight: 600;
        }
        .analysis-chart {
            height: 200px;
            background: linear-gradient(to right, #1a5fb4, #2ecc71);
            border-radius: var(--border-radius);
            margin: 20px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }
        .stats-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .stats-label {
            color: #666;
            font-size: 0.9rem;
        }
        .news-card {
            border: none;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s;
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-5px);
        }
        .news-date {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--primary-color);
            color: white;
            padding: 5px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
        }
        .flink {
            background: var(--light-color);
            border-radius: var(--border-radius);
            padding: 15px;
            display: block;
            text-align: center;
            color: var(--dark-color);
            text-decoration: none;
            transition: all 0.3s;
            border: 1px solid #eee;
            font-weight: 500;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--secondary-color);
        }
        .social-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            margin-right: 10px;
            transition: background 0.3s;
        }
        .social-icon:hover {
            background: var(--secondary-color);
            color: white;
        }
        .btn-primary-custom {
            background: var(--primary-color);
            border: none;
            padding: 10px 25px;
            border-radius: var(--border-radius);
            color: white;
            font-weight: 500;
            transition: background 0.3s;
        }
        .btn-primary-custom:hover {
            background: #0d4a9e;
            color: white;
        }
        .btn-secondary-custom {
            background: var(--secondary-color);
            border: none;
            padding: 10px 25px;
            border-radius: var(--border-radius);
            color: white;
            font-weight: 500;
            transition: background 0.3s;
        }
        .btn-secondary-custom:hover {
            background: #e05a00;
            color: white;
        }
        .contact-info {
            background: var(--light-color);
            border-radius: var(--border-radius);
            padding: 25px;
        }
        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-right: 15px;
        }
        .badge-accurate {
            background: #2ecc71;
            color: white;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 40px;
            font-size: 0.9rem;
            color: #aaa;
        }
        .sticky-top {
            backdrop-filter: blur(10px);
            background: rgba(255, 255, 255, 0.95);
        }