:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e95420;
            --accent-color: #2ec27e;
            --dark-color: #333333;
            --light-color: #f8f9fa;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #0d4a9e 100%);
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
        }
        .hero-section {
            background: url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') no-repeat center center/cover;
            padding: 150px 0;
            position: relative;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 50, 0.7);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .section-title {
            color: var(--primary-color);
            border-left: 5px solid var(--secondary-color);
            padding-left: 15px;
            margin-bottom: 30px;
        }
        .card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.15);
        }
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .feature-box {
            padding: 30px;
            text-align: center;
            border-radius: 10px;
            background: var(--light-color);
            transition: var(--transition);
        }
        .feature-box:hover {
            background: white;
            box-shadow: var(--shadow);
        }
        .team-member img {
            border-radius: 50%;
            width: 120px;
            height: 120px;
            object-fit: cover;
            border: 5px solid var(--light-color);
            box-shadow: var(--shadow);
        }
        .contact-info li {
            margin-bottom: 15px;
            font-size: 1.1rem;
        }
        .contact-info i {
            color: var(--primary-color);
            margin-right: 10px;
            width: 25px;
        }
        .friendlink .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 8px;
            background: var(--light-color);
            border-radius: 8px;
            text-decoration: none;
            color: var(--dark-color);
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .friendlink .flink:hover {
            background: white;
            border-color: var(--primary-color);
            color: var(--primary-color);
            transform: scale(1.05);
        }
        footer {
            background: var(--dark-color);
            color: white;
        }
        footer a {
            color: #cccccc;
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            line-height: 40px;
            text-align: center;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            margin-right: 10px;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--primary-color);
            transform: rotate(360deg);
        }
        .news-item {
            border-bottom: 1px solid #eee;
            padding-bottom: 20px;
            margin-bottom: 20px;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .btn-custom {
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-custom:hover {
            background: #d44615;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(233, 84, 32, 0.3);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0;
            }
            .display-4 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }