:root {
            --primary-color: #c62828;
            --secondary-color: #f5f5f5;
            --accent-color: #ff9800;
            --dark-color: #333;
            --light-color: #fff;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--dark-color);
            line-height: 1.8;
        }
        .navbar-brand {
            font-weight: bold;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--accent-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1517248135467-4c7edcad34c4?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: var(--light-color);
            padding: 150px 0;
        }
        .hero-section h1 {
            font-size: 3.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            color: var(--primary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--accent-color);
        }
        .card {
            border: none;
            border-radius: 15px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .card-img-top {
            height: 250px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            transition: background-color 0.3s;
        }
        .btn-primary:hover {
            background-color: var(--accent-color);
        }
        .team-img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid var(--secondary-color);
        }
        .contact-info i {
            color: var(--primary-color);
            margin-right: 10px;
        }
        friendlink {
            display: block;
            background-color: var(--secondary-color);
            padding: 40px 0;
            margin-top: 50px;
        }
        .flink {
            display: inline-block;
            margin: 10px 20px;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            padding: 8px 15px;
            border-radius: 5px;
            background: var(--light-color);
            border: 1px solid #ddd;
        }
        .flink:hover {
            color: var(--primary-color);
            background-color: #f8f9fa;
        }
        footer {
            background-color: var(--dark-color);
            color: var(--light-color);
            padding: 40px 0 20px;
        }
        footer a {
            color: var(--light-color);
            text-decoration: none;
            transition: color 0.3s;
        }
        footer a:hover {
            color: var(--accent-color);
        }
        .schema-ld {
            display: none;
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }