:root {
            --primary-color: #a52a2a;
            --secondary-color: #f8f9fa;
            --accent-color: #d4a76a;
        }
        body {
            font-family: "Microsoft YaHei", "SimHei", sans-serif;
            color: #333;
            background-color: #fefefe;
        }
        .navbar-brand {
            font-weight: bold;
            color: var(--primary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1511379938547-c1f69419868d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0;
        }
        .section-title {
            border-left: 5px solid var(--primary-color);
            padding-left: 15px;
            margin-bottom: 30px;
            font-weight: bold;
        }
        .card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }
        .card-img-top {
            height: 250px;
            object-fit: cover;
        }
        .btn-custom {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 10px 25px;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        .btn-custom:hover {
            background-color: #8b0000;
        }
        .video-container {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: 10px;
        }
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        .friendlink .flink {
            display: inline-block;
            margin: 10px 15px;
            padding: 8px 20px;
            background-color: #f1f1f1;
            border-radius: 20px;
            color: #333;
            text-decoration: none;
            transition: all 0.3s;
        }
        .friendlink .flink:hover {
            background-color: var(--primary-color);
            color: white;
        }
        footer {
            background-color: #222;
            color: #ccc;
        }
        .social-icons a {
            color: #ccc;
            margin: 0 10px;
            font-size: 1.5rem;
            transition: color 0.3s;
        }
        .social-icons a:hover {
            color: var(--accent-color);
        }
        .content-text {
            line-height: 1.8;
            text-align: justify;
            font-size: 1.1rem;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 80px 0;
            }
            .card-img-top {
                height: 200px;
            }
        }