:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e63946;
            --accent-color: #2a9d8f;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.6;
            color: var(--dark-text);
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .nav-link {
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: var(--transition);
            transform: translateX(-50%);
        }
        .nav-link:hover::after {
            width: 80%;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.9)), 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-bottom: 60px;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.6);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.95;
        }
        .feature-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: var(--shadow);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
        }
        .feature-card .card-body {
            padding: 2rem;
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .prediction-panel {
            background: linear-gradient(135deg, #1a5fb4 0%, #2a9d8f 100%);
            color: white;
            border-radius: 15px;
            padding: 2.5rem;
            margin: 3rem 0;
            box-shadow: var(--shadow);
        }
        .team-flag {
            width: 80px;
            height: 60px;
            object-fit: cover;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        .vs-text {
            font-size: 2rem;
            font-weight: 700;
            color: white;
            margin: 0 1.5rem;
        }
        .data-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .data-table th {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem;
            text-align: left;
            font-weight: 600;
        }
        .data-table td {
            padding: 1rem;
            border-bottom: 1px solid #eaeaea;
        }
        .data-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .data-table tr:hover {
            background-color: #eef7ff;
        }
        .friendlink {
            background-color: var(--light-bg);
            padding: 4rem 0;
            border-top: 1px solid #dee2e6;
            border-bottom: 1px solid #dee2e6;
        }
        .flink {
            display: inline-block;
            padding: 0.8rem 1.5rem;
            margin: 0.5rem;
            background-color: white;
            border-radius: 50px;
            text-decoration: none;
            color: var(--dark-text);
            font-weight: 500;
            transition: var(--transition);
            border: 2px solid transparent;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
        }
        .flink:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
        }
        .footer {
            background-color: #1c2331;
            color: #fff;
            padding: 3rem 0 1.5rem;
        }
        .footer a {
            color: #a0c3ff;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            margin-top: 2rem;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 80px 0;
            }
            .team-flag {
                width: 60px;
                height: 45px;
            }
            .vs-text {
                font-size: 1.5rem;
                margin: 0 1rem;
            }
            .prediction-panel {
                padding: 1.5rem;
            }
        }
        @media (max-width: 576px) {
            .hero-title {
                font-size: 2rem;
            }
            .flink {
                display: block;
                margin: 0.5rem 0;
                text-align: center;
            }
        }
        .fade-in {
            animation: fadeIn 1s ease-in-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .live-indicator {
            display: inline-block;
            width: 12px;
            height: 12px;
            background-color: #e63946;
            border-radius: 50%;
            margin-right: 8px;
            animation: blink 1.5s infinite;
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }