:root {
            --primary-color: #1a56db;
            --secondary-color: #0e9f6e;
            --accent-color: #f59e0b;
            --dark-color: #1f2937;
            --light-color: #f9fafb;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: #333;
            line-height: 1.7;
        }
        .navbar-brand img {
            height: 50px;
        }
        .hero-section {
            background: linear-gradient(rgba(26, 86, 219, 0.85), rgba(14, 159, 110, 0.8)), url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0 80px;
        }
        .section-title {
            position: relative;
            padding-bottom: 20px;
            margin-bottom: 40px;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--primary-color);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: rgba(26, 86, 219, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--primary-color);
            font-size: 28px;
        }
        .service-card {
            border-radius: 12px;
            overflow: hidden;
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .service-card img {
            height: 220px;
            object-fit: cover;
        }
        .stats-counter {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 60px 0;
        }
        .stat-number {
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1;
        }
        .news-card {
            border-left: 4px solid var(--primary-color);
            transition: all 0.3s ease;
        }
        .news-card:hover {
            border-left-color: var(--accent-color);
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        .footer {
            background-color: var(--dark-color);
            color: #ddd;
        }
        .footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer a:hover {
            color: white;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            margin-right: 10px;
            transition: background 0.3s;
        }
        .social-icons a:hover {
            background: var(--primary-color);
        }
        .friendlink {
            background: #f8f9fa;
            padding: 40px 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 10px 20px;
            margin: 8px;
            border-radius: 6px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            border: 1px solid #eee;
            color: #555;
            text-decoration: none;
            transition: all 0.3s;
        }
        .flink:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            transform: translateY(-3px);
        }
        .map-container {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .contact-info li {
            margin-bottom: 15px;
            padding-left: 30px;
            position: relative;
        }
        .contact-info li i {
            position: absolute;
            left: 0;
            top: 5px;
            color: var(--primary-color);
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 25px;
            border-radius: 6px;
        }
        .btn-primary:hover {
            background-color: #1546b8;
            border-color: #1546b8;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--secondary-color);
            color: white;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0 50px;
            }
            .stat-number {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }