:root {
            --primary-blue: #0d1b36;
            --accent-gold: #c9a959;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
            --success-green: #28a745;
            --danger-red: #dc3545;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--dark-text);
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-blue) !important;
        }
        .navbar-brand i {
            color: var(--accent-gold);
        }
        .hero-section {
            background: linear-gradient(rgba(13, 27, 54, 0.85), rgba(13, 27, 54, 0.9)), url('https://images.unsplash.com/photo-1598880940080-ff9a29891b85?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0 5rem;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .hero-subtitle {
            font-size: 1.4rem;
            max-width: 800px;
            margin-bottom: 2rem;
            opacity: 0.95;
        }
        .btn-gold {
            background-color: var(--accent-gold);
            color: var(--primary-blue);
            font-weight: 600;
            padding: 0.8rem 2.2rem;
            border: none;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .btn-gold:hover {
            background-color: #b89a50;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(201, 169, 89, 0.3);
        }
        .section-title {
            color: var(--primary-blue);
            font-weight: 700;
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 2.5rem;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70px;
            height: 4px;
            background-color: var(--accent-gold);
        }
        .section-title.text-center:after {
            left: 50%;
            transform: translateX(-50%);
        }
        .feature-icon {
            font-size: 2.8rem;
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card-hover:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1) !important;
        }
        .team-logo {
            width: 60px;
            height: 60px;
            object-fit: contain;
            margin-right: 15px;
        }
        .live-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.6; }
            100% { opacity: 1; }
        }
        .prediction-card {
            border-left: 5px solid var(--accent-gold);
        }
        .analysis-chart {
            height: 300px;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 20px 0;
            color: var(--primary-blue);
            font-weight: 600;
        }
        .contact-info li {
            margin-bottom: 1rem;
        }
        .contact-info i {
            color: var(--accent-gold);
            width: 25px;
        }
        footer {
            background-color: var(--primary-blue);
            color: #ccc;
        }
        .footer-link {
            color: #aaa;
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-link:hover {
            color: white;
        }
        .friendlink .flink {
            display: inline-block;
            background-color: #f1f3f4;
            color: #444;
            padding: 8px 16px;
            margin: 5px 10px 5px 0;
            border-radius: 4px;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.2s;
            border: 1px solid #ddd;
        }
        .friendlink .flink:hover {
            background-color: var(--primary-blue);
            color: white;
            border-color: var(--primary-blue);
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
            width: 50px;
            height: 50px;
            background-color: var(--accent-gold);
            color: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.5rem;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }