:root {
            --primary-blue: #1e3a8a;
            --secondary-orange: #f97316;
            --accent-red: #dc2626;
            --light-bg: #f8fafc;
            --dark-text: #1e293b;
            --border-radius: 12px;
            --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Helvetica Neue', Arial, 'Microsoft YaHei', sans-serif;
            color: var(--dark-text);
            background-color: var(--light-bg);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--primary-blue);
            margin-bottom: 1.2rem;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--primary-blue) !important;
        }
        .navbar {
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
            background-color: rgba(255, 255, 255, 0.98) !important;
            backdrop-filter: blur(10px);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #2d4fa8 100%);
            color: white;
            padding: 5rem 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            opacity: 0.15;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .card {
            border: none;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
        }
        .card-img-top {
            height: 200px;
            object-fit: cover;
            border-top-left-radius: var(--border-radius);
            border-top-right-radius: var(--border-radius);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--secondary-orange), #fb923c);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 1.8rem;
            color: white;
        }
        .match-prediction-card {
            border-left: 5px solid var(--accent-red);
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            margin-bottom: 2rem;
        }
        .team-flag {
            width: 60px;
            height: 40px;
            object-fit: cover;
            border-radius: 4px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }
        .vs-badge {
            background-color: var(--dark-text);
            color: white;
            font-weight: 800;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .stat-item {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-blue);
            line-height: 1;
        }
        .live-badge {
            background-color: var(--accent-red);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-blue), #2d4fa8);
            border: none;
            border-radius: 50px;
            padding: 0.8rem 2rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(30, 58, 138, 0.3);
        }
        .btn-outline-primary {
            border: 2px solid var(--primary-blue);
            color: var(--primary-blue);
            border-radius: 50px;
            padding: 0.8rem 2rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 2.5rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-blue), var(--secondary-orange));
            border-radius: 2px;
        }
        .section-title.center::after {
            left: 50%;
            transform: translateX(-50%);
        }
        footer {
            background-color: #0f172a;
            color: #cbd5e1;
            padding: 4rem 0 2rem;
        }
        footer h5 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background-color: #334155;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 0.8rem;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background-color: var(--secondary-orange);
            transform: translateY(-5px);
        }
        .copyright {
            border-top: 1px solid #334155;
            padding-top: 2rem;
            margin-top: 3rem;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .friendlink {
            background-color: #f1f5f9;
            padding: 3rem 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 0.8rem 1.5rem;
            border-radius: 50px;
            margin: 0.5rem;
            color: var(--dark-text);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid #e2e8f0;
        }
        .flink:hover {
            background-color: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
            border-color: var(--primary-blue);
        }
        .analysis-card {
            border-top: 4px solid var(--secondary-orange);
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            height: 100%;
            box-shadow: var(--box-shadow);
        }
        .timeline {
            position: relative;
            padding-left: 2rem;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary-blue), var(--secondary-orange));
            border-radius: 3px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2rem;
            padding-left: 1.5rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.4rem;
            top: 0.5rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--secondary-orange);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--secondary-orange);
        }
        .form-control, .form-select {
            border-radius: var(--border-radius);
            padding: 0.8rem 1rem;
            border: 1px solid #cbd5e1;
            transition: var(--transition);
        }
        .form-control:focus, .form-select:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
        }
        .table-hover tbody tr:hover {
            background-color: rgba(30, 58, 138, 0.05);
        }
        .nav-pills .nav-link {
            border-radius: 50px;
            padding: 0.6rem 1.5rem;
            font-weight: 600;
            color: var(--dark-text);
            transition: var(--transition);
        }
        .nav-pills .nav-link.active {
            background: linear-gradient(135deg, var(--primary-blue), #2d4fa8);
        }
        .nav-pills .nav-link:hover:not(.active) {
            background-color: #e2e8f0;
        }
        .badge {
            padding: 0.5rem 0.9rem;
            font-weight: 600;
        }
        .progress {
            height: 10px;
            border-radius: 5px;
            margin-bottom: 1rem;
        }
        .progress-bar {
            background: linear-gradient(to right, var(--primary-blue), var(--secondary-orange));
            border-radius: 5px;
        }
        .accordion-button {
            font-weight: 600;
            border-radius: var(--border-radius) !important;
            padding: 1.2rem;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(30, 58, 138, 0.1);
            color: var(--primary-blue);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-blue);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.2rem;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: var(--secondary-orange);
            transform: translateY(-5px);
        }