:root {
            --primary-color: #0d6efd;
            --secondary-color: #6c757d;
            --accent-color: #198754;
            --dark-color: #212529;
            --light-color: #f8f9fa;
            --shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        body {
            font-family: 'Helvetica Neue', Arial, 'Microsoft YaHei', sans-serif;
            color: var(--dark-color);
            line-height: 1.7;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary-color);
        }
        .hero {
            background: linear-gradient(rgba(13, 110, 253, 0.85), rgba(25, 135, 84, 0.85)), url('https://images.unsplash.com/photo-1560272564-c83b66b1ad12?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 100px 0;
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.2rem; }
            .hero { padding: 60px 0; }
        }
        .section-title {
            border-left: 5px solid var(--primary-color);
            padding-left: 15px;
            margin-bottom: 30px;
            font-weight: 700;
            color: var(--dark-color);
        }
        .card {
            border: none;
            border-radius: 10px;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }
        .card-img-top {
            border-radius: 10px 10px 0 0;
            height: 200px;
            object-fit: cover;
        }
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .live-score {
            background-color: var(--light-color);
            border-radius: 10px;
            padding: 20px;
            margin-bottom: 20px;
            border-left: 5px solid var(--accent-color);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
        }
        .data-table th, .data-table td {
            border: 1px solid #dee2e6;
            padding: 12px;
            text-align: center;
        }
        .data-table th {
            background-color: var(--primary-color);
            color: white;
        }
        .friendlink .flink {
            display: inline-block;
            background: var(--light-color);
            padding: 10px 20px;
            margin: 5px;
            border-radius: 5px;
            text-decoration: none;
            color: var(--dark-color);
            transition: all 0.3s ease;
            border: 1px solid #dee2e6;
        }
        .friendlink .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        footer {
            background-color: var(--dark-color);
            color: var(--light-color);
            padding: 40px 0 20px;
        }
        footer a {
            color: #adb5bd;
            text-decoration: none;
        }
        footer a:hover {
            color: white;
        }
        .contact-info i {
            width: 30px;
            color: var(--primary-color);
        }
        .analysis-article {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            padding: 10px 25px;
            border-radius: 5px;
            font-weight: 600;
        }
        .btn-primary:hover {
            background-color: #0b5ed7;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary-color);
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .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(--accent-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--accent-color);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }