:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e95420;
            --accent-color: #2ec27e;
            --dark-color: #1a1a1a;
            --light-color: #f8f9fa;
            --text-color: #333;
            --border-radius: 12px;
            --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(135deg, #1a5fb4 0%, #2ec27e 100%);
            color: white;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            top: -100px;
            right: -100px;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            bottom: -50px;
            left: -50px;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 50px;
            text-align: center;
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .feature-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
            border: 1px solid rgba(0,0,0,0.05);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 1.8rem;
        }
        .stats-counter {
            background: linear-gradient(135deg, var(--dark-color), #2a2a2a);
            color: white;
            padding: 80px 0;
            position: relative;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--accent-color);
            line-height: 1;
        }
        .analysis-card {
            border-left: 4px solid var(--primary-color);
            padding-left: 20px;
            margin-bottom: 30px;
            background: #f8fafc;
            padding: 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .team-logo {
            width: 80px;
            height: 80px;
            object-fit: contain;
            margin: 0 auto;
            display: block;
        }
        .prediction-box {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: var(--box-shadow);
            border-top: 5px solid var(--secondary-color);
        }
        .score-prediction {
            font-size: 4rem;
            font-weight: 800;
            text-align: center;
            color: var(--primary-color);
            line-height: 1;
            margin: 20px 0;
        }
        .probability-bar {
            height: 20px;
            background: #e9ecef;
            border-radius: 10px;
            overflow: hidden;
            margin: 15px 0;
        }
        .probability-fill {
            height: 100%;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            border-radius: 10px;
            transition: width 1.5s ease;
        }
        .article-card {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
            background: white;
        }
        .article-card:hover {
            transform: translateY(-8px);
        }
        .article-img {
            height: 220px;
            object-fit: cover;
            width: 100%;
        }
        .friendlink {
            background: #f8fafc;
            padding: 80px 0;
        }
        .flink {
            display: inline-block;
            padding: 12px 25px;
            background: white;
            border-radius: 50px;
            margin: 8px;
            color: var(--text-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid #e9ecef;
            box-shadow: 0 3px 10px rgba(0,0,0,0.03);
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(26, 95, 180, 0.2);
        }
        .footer {
            background: var(--dark-color);
            color: white;
            padding: 80px 0 30px;
        }
        .footer a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 50px;
            text-align: center;
            color: #aaa;
            font-size: 0.9rem;
        }
        .contact-info li {
            margin-bottom: 15px;
        }
        .contact-icon {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 50px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .score-prediction {
                font-size: 2.8rem;
            }
            .stat-number {
                font-size: 2.5rem;
            }
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            padding: 8px 15px !important;
            border-radius: 5px;
            margin: 0 3px;
        }
        .navbar-nav .nav-link:hover {
            background: rgba(26, 95, 180, 0.1);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color), #2a7de3);
            border: none;
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(26, 95, 180, 0.3);
        }
        .match-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--box-shadow);
            margin-bottom: 30px;
            border-top: 4px solid var(--secondary-color);
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(26, 95, 180, 0.25);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(26, 95, 180, 0.1);
            color: var(--primary-color);
            font-weight: 600;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(26, 95, 180, 0.25);
        }
        ::selection {
            background-color: rgba(26, 95, 180, 0.3);
            color: var(--text-color);
        }