:root {
            --primary-color: #0d6efd;
            --secondary-color: #6c757d;
            --dark-color: #212529;
            --light-color: #f8f9fa;
            --accent-color: #20c997;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            line-height: 1.8;
            color: var(--dark-color);
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-4.0.3&auto=format&fit=crop&w=2072&q=80') no-repeat center center/cover;
            color: white;
            padding: 120px 0;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-color);
        }
        .service-card, .portfolio-card, .team-card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            height: 100%;
        }
        .service-card:hover, .portfolio-card:hover, .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        .service-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        .btn-custom {
            background: var(--primary-color);
            color: white;
            border-radius: 30px;
            padding: 12px 30px;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--primary-color);
        }
        .btn-custom:hover {
            background: transparent;
            color: var(--primary-color);
            transform: scale(1.05);
        }
        .contact-info i {
            color: var(--accent-color);
            margin-right: 10px;
        }
        footer {
            background: var(--dark-color);
            color: var(--light-color);
        }
        .friendlink {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 15px;
            margin-top: 30px;
        }
        .flink {
            background: rgba(255, 255, 255, 0.1);
            padding: 10px 15px;
            border-radius: 8px;
            color: white;
            text-decoration: none;
            text-align: center;
            transition: var(--transition);
        }
        .flink:hover {
            background: var(--accent-color);
            transform: translateY(-3px);
        }
        .news-card {
            border-left: 5px solid var(--primary-color);
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
                min-height: 70vh;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        .schema-hidden {
            display: none;
        }