:root {
            --primary-color: #1a365d;
            --secondary-color: #e63946;
            --accent-color: #f4a261;
            --light-bg: #f8f9fa;
            --dark-text: #333;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--dark-text);
            line-height: 1.6;
        }
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 54, 93, 0.8), rgba(26, 54, 93, 0.9)), url('https://picsum.photos/seed/hero/1920/1080') no-repeat center center/cover;
            color: white;
            padding: 150px 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
        }
        .service-card, .case-card, .team-card {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            border-radius: 10px;
            overflow: hidden;
            height: 100%;
        }
        .service-card:hover, .case-card:hover, .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .icon-box {
            width: 80px;
            height: 80px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
        }
        .news-item {
            border-left: 4px solid var(--accent-color);
            padding-left: 15px;
            margin-bottom: 25px;
        }
        .friendlink .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px;
            background: var(--light-bg);
            border-radius: 30px;
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid #ddd;
        }
        .friendlink .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        footer {
            background: var(--primary-color);
            color: white;
        }
        .contact-info a {
            color: var(--accent-color);
            text-decoration: none;
        }
        .contact-info a:hover {
            text-decoration: underline;
        }
        .btn-custom {
            background: var(--secondary-color);
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            border: none;
            transition: background 0.3s ease;
        }
        .btn-custom:hover {
            background: #c1121f;
            color: white;
        }
        .img-hover-zoom {
            overflow: hidden;
            border-radius: 10px 10px 0 0;
        }
        .img-hover-zoom img {
            transition: transform 0.5s ease;
        }
        .img-hover-zoom:hover img {
            transform: scale(1.05);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 100px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }