:root {
            --primary-color: #1a6dcc;
            --secondary-color: #0d4d9c;
            --accent-color: #ff6b35;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gray-color: #6c757d;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color);
            font-size: 1.5rem;
        }
        .navbar-brand span {
            color: var(--accent-color);
        }
        .hero-section {
            background: linear-gradient(rgba(13, 77, 156, 0.85), rgba(26, 109, 204, 0.9)), url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0 80px;
            margin-top: 76px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
            font-weight: 700;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--accent-color);
        }
        .section-title.left-align:after {
            left: 0;
            transform: none;
        }
        .feature-card {
            transition: all 0.3s ease;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background-color: rgba(26, 109, 204, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary-color);
            font-size: 1.8rem;
        }
        .prediction-card {
            border-left: 4px solid var(--accent-color);
            background-color: #f8f9fa;
            border-radius: 0 8px 8px 0;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1;
        }
        .team-logo {
            width: 60px;
            height: 60px;
            object-fit: contain;
            background-color: white;
            border-radius: 50%;
            padding: 5px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .match-card {
            transition: all 0.3s ease;
            border-radius: 10px;
            overflow: hidden;
        }
        .match-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        .analysis-table th {
            background-color: var(--primary-color);
            color: white;
            border: none;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            font-weight: 600;
            border-radius: 6px;
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(13, 77, 156, 0.3);
        }
        .btn-accent {
            background-color: var(--accent-color);
            border-color: var(--accent-color);
            color: white;
        }
        .btn-accent:hover {
            background-color: #e05a2b;
            border-color: #e05a2b;
            color: white;
        }
        .footer {
            background-color: #1a1f36;
            color: #b0b7c3;
            padding-top: 60px;
        }
        .footer a {
            color: #b0b7c3;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: white;
        }
        .copyright {
            background-color: #0d1224;
            color: #8a8f99;
            padding: 20px 0;
            font-size: 0.9rem;
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px 10px;
            background-color: white;
            border-radius: 6px;
            color: var(--dark-color);
            text-decoration: none;
            border: 1px solid #dee2e6;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-2px);
        }
        .flink i {
            margin-right: 8px;
        }
        .testimonial-card {
            background-color: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: 100%;
        }
        .testimonial-card .quote-icon {
            color: rgba(26, 109, 204, 0.2);
            font-size: 2rem;
            margin-bottom: 15px;
        }
        .contact-info-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
        }
        .contact-info-icon {
            width: 50px;
            height: 50px;
            background-color: rgba(26, 109, 204, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: var(--primary-color);
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0 60px;
                margin-top: 66px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(26, 109, 204, 0.25);
        }
        .tab-content {
            padding: 30px;
            border: 1px solid #dee2e6;
            border-top: none;
            border-radius: 0 0 8px 8px;
        }
        .nav-tabs .nav-link.active {
            background-color: white;
            border-bottom-color: white;
            color: var(--primary-color);
            font-weight: 600;
        }
        .nav-tabs .nav-link {
            color: var(--dark-color);
            font-weight: 500;
        }