:root {
            --primary-color: #1a3a5f;
            --secondary-color: #dc3545;
            --accent-color: #28a745;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gray-color: #6c757d;
        }
        body {
            font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-color);
            line-height: 1.8;
        }
        .navbar {
            background-color: rgba(26, 58, 95, 0.95);
            backdrop-filter: blur(10px);
            padding-top: 1rem;
            padding-bottom: 1rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: white !important;
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.85) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: white !important;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: width 0.3s ease;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 58, 95, 0.85), rgba(26, 58, 95, 0.9)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center;
            background-size: cover;
            color: white;
            padding: 120px 0 100px;
            position: relative;
            overflow: hidden;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
        }
        .hero-section p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            max-width: 700px;
        }
        .btn-primary-custom {
            background-color: var(--secondary-color);
            border: none;
            padding: 12px 32px;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
        }
        .btn-primary-custom:hover {
            background-color: #c82333;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(220, 53, 69, 0.4);
        }
        .section-title {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 3rem;
            position: relative;
            padding-bottom: 15px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        .section-title.text-center::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
        }
        .card-img-top {
            height: 200px;
            object-fit: cover;
        }
        .card-title {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .stats-box {
            background-color: var(--light-color);
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        .stats-box:hover {
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            transform: translateY(-5px);
        }
        .stats-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary-color);
            display: block;
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .live-match {
            background: linear-gradient(135deg, #1a3a5f 0%, #2c5282 100%);
            color: white;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
        }
        .team-logo {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid white;
            box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
        }
        .match-score {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
        }
        .match-time {
            background-color: rgba(255, 255, 255, 0.2);
            padding: 5px 15px;
            border-radius: 50px;
            font-size: 0.9rem;
        }
        .analysis-tag {
            display: inline-block;
            background-color: #e9f7ef;
            color: var(--accent-color);
            padding: 5px 15px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        .analysis-tag.high {
            background-color: #fff5f5;
            color: var(--secondary-color);
        }
        .flink {
            display: inline-block;
            background-color: var(--light-color);
            color: var(--dark-color);
            padding: 12px 25px;
            border-radius: 8px;
            text-decoration: none;
            margin: 8px;
            transition: all 0.3s ease;
            font-weight: 500;
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            text-decoration: none;
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding-top: 3rem;
            padding-bottom: 2rem;
        }
        footer a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        footer a:hover {
            color: white;
        }
        .copyright {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 1.5rem 0;
            margin-top: 3rem;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background-color: var(--secondary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.5rem;
            box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background-color: #c82333;
            color: white;
            transform: translateY(-5px);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section p {
                font-size: 1.1rem;
            }
            .stats-number {
                font-size: 2rem;
            }
            .match-score {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        .content-block {
            margin-bottom: 3rem;
        }
        .content-block p {
            margin-bottom: 1.5rem;
        }
        .prediction-accuracy {
            background-color: #f8f9fa;
            border-left: 5px solid var(--accent-color);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        .prediction-accuracy h5 {
            color: var(--accent-color);
            font-weight: 700;
        }