:root {
            --primary-color: #0d6efd;
            --secondary-color: #6c757d;
            --success-color: #198754;
            --warning-color: #ffc107;
            --danger-color: #dc3545;
            --dark-color: #212529;
            --light-color: #f8f9fa;
        }
        body {
            font-family: 'Helvetica Neue', Arial, 'Microsoft YaHei', sans-serif;
            line-height: 1.8;
            color: #333;
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            background: linear-gradient(90deg, #0d6efd, #198754);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-link {
            font-weight: 500;
            position: relative;
            transition: color 0.3s;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: all 0.3s;
            transform: translateX(-50%);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 80%;
        }
        .hero-section {
            background: linear-gradient(rgba(13, 110, 253, 0.85), rgba(25, 135, 84, 0.8)), 
                        url('https://images.unsplash.com/photo-1504450758481-7338eba7524a?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2069&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: white;
            padding: 120px 0;
            position: relative;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
        }
        .prediction-card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            overflow: hidden;
            margin-bottom: 30px;
        }
        .prediction-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.12);
        }
        .card-header-custom {
            background: linear-gradient(90deg, var(--primary-color), #0b5ed7);
            color: white;
            padding: 20px;
            border-bottom: none;
        }
        .stats-box {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-align: center;
            margin-bottom: 20px;
            transition: transform 0.3s;
        }
        .stats-box:hover {
            transform: translateY(-5px);
        }
        .stats-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        .live-badge {
            background-color: var(--danger-color);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: 600;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }
        .match-score {
            font-size: 3rem;
            font-weight: 800;
            color: var(--dark-color);
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 60px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 12px 25px;
            margin: 10px;
            border-radius: 8px;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 500;
            box-shadow: 0 3px 10px rgba(0,0,0,0.08);
            transition: all 0.3s;
            border: 1px solid #e9ecef;
        }
        .flink:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.12);
            color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
        }
        .footer-links a {
            color: #adb5bd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: white;
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 15px;
                padding-right: 15px;
            }
            .stats-number {
                font-size: 2rem;
            }
            .match-score {
                font-size: 2.5rem;
            }
        }
        .analysis-content {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            margin-bottom: 30px;
        }
        .analysis-title {
            color: var(--primary-color);
            border-left: 5px solid var(--primary-color);
            padding-left: 15px;
            margin-bottom: 25px;
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 30px;
        }
        .data-table th {
            background-color: var(--primary-color);
            color: white;
            padding: 15px;
            text-align: left;
        }
        .data-table td {
            padding: 12px 15px;
            border-bottom: 1px solid #dee2e6;
        }
        .data-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .data-table tr:hover {
            background-color: rgba(13, 110, 253, 0.05);
        }
        .prediction-result {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            padding: 30px;
            border-radius: 15px;
            border-left: 5px solid var(--success-color);
            margin: 30px 0;
        }
        .prediction-percentage {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--success-color);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
            margin: 40px 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--primary-color);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--primary-color);
        }