:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e95420;
            --accent-color: #26a269;
            --dark-color: #0d0d0d;
            --light-color: #f8f9fa;
            --gray-color: #5e5c64;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.6;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--dark-color);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(10, 30, 60, 0.85), rgba(10, 30, 60, 0.9)), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0 80px;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .hero-section .lead {
            font-size: 1.3rem;
            margin-bottom: 2rem;
        }
        .feature-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: white;
            font-size: 1.8rem;
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }
        .stats-counter {
            background: linear-gradient(rgba(10, 30, 60, 0.9), rgba(10, 30, 60, 0.95)), url('https://images.unsplash.com/photo-1598880940080-ff9a29891b85?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            padding: 80px 0;
            color: white;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: white;
            margin-bottom: 0.5rem;
        }
        .stat-text {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        .analysis-card {
            border-left: 4px solid var(--primary-color);
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
        }
        .analysis-card:hover {
            background: #e9ecef;
            transform: translateX(5px);
        }
        .match-prediction {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 1.5rem;
            border-top: 4px solid var(--secondary-color);
        }
        .team-logo {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid #f0f0f0;
        }
        .prediction-badge {
            background: var(--accent-color);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        .flink {
            display: inline-block;
            background: #f8f9fa;
            padding: 0.6rem 1.5rem;
            border-radius: 30px;
            margin: 0.5rem;
            color: var(--dark-color);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #e0e0e0;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(26, 95, 180, 0.2);
            border-color: var(--primary-color);
        }
        .footer {
            background: #1a1a2e;
            color: #b0b0b0;
            padding: 60px 0 20px;
        }
        .footer h5 {
            color: white;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        .footer h5:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--secondary-color);
        }
        .footer a {
            color: #b0b0b0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid #2a2a3e;
            padding-top: 1.5rem;
            margin-top: 3rem;
            font-size: 0.9rem;
        }
        .btn-custom {
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(26, 95, 180, 0.3);
            color: white;
        }
        .service-card {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border-top: 4px solid transparent;
            transition: all 0.3s ease;
        }
        .service-card:hover {
            border-top-color: var(--primary-color);
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        .mobile-optimized {
            display: flex;
            flex-direction: column;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section .lead {
                font-size: 1.1rem;
            }
            .stat-number {
                font-size: 2.5rem;
            }
            .mobile-optimized {
                padding-left: 15px;
                padding-right: 15px;
            }
            .navbar-nav {
                text-align: center;
                background: rgba(255,255,255,0.95);
                border-radius: 10px;
                padding: 10px;
                margin-top: 10px;
            }
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            z-index: 1000;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--secondary-color);
            transform: translateY(-5px);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(26, 95, 180, 0.1);
            color: var(--primary-color);
            font-weight: 600;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(26, 95, 180, 0.25);
        }
        .news-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .news-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--primary-color);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .news-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }