:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e95420;
            --accent-color: #2ec27e;
            --dark-color: #2a2a2e;
            --light-color: #f6f5f4;
            --text-color: #333;
            --border-radius: 8px;
            --box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--dark-color);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.4rem;
            color: var(--primary-color) !important;
        }
        .navbar {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 15px 0;
            transition: var(--transition);
        }
        .nav-link {
            font-weight: 500;
            padding: 10px 15px !important;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            background-color: rgba(26, 95, 180, 0.1);
            color: var(--primary-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-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            margin-top: 80px;
            text-align: center;
        }
        .hero-section h1 {
            color: white;
            font-size: 3rem;
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .hero-section {
                padding: 80px 0;
            }
        }
        .card {
            border: none;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .card-title {
            color: var(--primary-color);
            font-weight: 700;
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 1.8rem;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 50px;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            border-radius: 2px;
        }
        .live-score {
            background-color: var(--dark-color);
            color: white;
            padding: 15px;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
        }
        .team-flag {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid white;
        }
        .match-time {
            background-color: var(--secondary-color);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: 600;
        }
        .stat-item {
            text-align: center;
            padding: 20px;
            border-radius: var(--border-radius);
            background-color: var(--light-color);
            transition: var(--transition);
        }
        .stat-item:hover {
            background-color: white;
            box-shadow: var(--box-shadow);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .analysis-box {
            border-left: 4px solid var(--accent-color);
            padding-left: 20px;
            margin-bottom: 30px;
            background-color: rgba(46, 194, 126, 0.05);
            padding: 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .prediction-card {
            border: 2px solid var(--accent-color);
            border-radius: var(--border-radius);
            padding: 25px;
            text-align: center;
            background-color: white;
        }
        .prediction-percentage {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent-color);
            line-height: 1;
        }
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
        }
        .footer a {
            color: #ccc;
            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: 40px;
            text-align: center;
            color: #aaa;
            font-size: 0.9rem;
        }
        .flink {
            display: inline-block;
            background-color: rgba(255,255,255,0.1);
            padding: 8px 20px;
            border-radius: 30px;
            margin: 5px;
            transition: var(--transition);
            color: white;
            text-decoration: none;
        }
        .flink:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: #0f4a8a;
            border-color: #0f4a8a;
            transform: translateY(-3px);
        }
        .btn-outline-primary {
            color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .content-section {
            padding: 80px 0;
        }
        .content-section:nth-child(even) {
            background-color: var(--light-color);
        }
        .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;
            padding-left: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background-color: var(--primary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--primary-color);
        }
        .tab-content {
            padding: 30px;
            border: 1px solid #dee2e6;
            border-top: none;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .nav-tabs .nav-link {
            border-radius: var(--border-radius) var(--border-radius) 0 0;
        }
        .nav-tabs .nav-link.active {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .form-control {
            border-radius: var(--border-radius);
            padding: 12px 15px;
            border: 1px solid #ddd;
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(26, 95, 180, 0.25);
        }
        .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: 1.2rem;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            text-decoration: none;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--secondary-color);
            color: white;
        }
        .highlight {
            background-color: rgba(233, 84, 32, 0.1);
            padding: 2px 5px;
            border-radius: 3px;
            font-weight: 600;
        }