* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        }

        /* 首屏大图 */
        .hero-section {
            height: ;
            background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)),
                        url('https://sc04.alicdn.com/kf/H13cef08488d14e798c45d8d60231380aR/230228075/H13cef08488d14e798c45d8d60231380aR.jpg') center/cover;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            padding: 20px;
        }

        .hero-text {
            max-width: 800px;
        }

        .hero-text h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }

        /* 中间文字 */
        .intro-section {
            padding: 80px 20px;
            text-align: center;
            background: #f9f9f9;
        }

        .intro-content {
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.8;
            color: #333;
        }

        /* 左右大图 */
        .image-section {
            display: flex;
            min-height: 600px;
        }

        .image-block {
            flex: 1;
            background-size: cover;
            background-position: center;
            position: relative;
            transition: all 0.3s ease;
        }

        .image-block:hover {
            flex: 1.2;
        }

        .image-left {
            background-image: url('https://sc04.alicdn.com/kf/Hf2a889b1b5fd40c0b76a6ab4878029e4k/230228075/Hf2a889b1b5fd40c0b76a6ab4878029e4k.jpg');
        }

        .image-right {
            background-image: url('https://sc04.alicdn.com/kf/Hc4f96b8c59444f03867c9e50fb663d2f6/230228075/Hc4f96b8c59444f03867c9e50fb663d2f6.jpg');
        }

        .image-caption {
            position: absolute;
            bottom: 30px;
            left: 30px;
            color: white;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .hero-text h1 {
                font-size: 2.5rem;
            }

            .image-section {
                flex-direction: column;
                min-height: 800px;
            }

            .image-block {
                flex: none;
                height: 400px;
            }
        }

	video-wrapper {
            margin: 0;
            font-family: Arial, sans-serif;
        }
        
        .video-wrapper {
            max-width: 1200px;
            margin: 40px auto; /* 上下20px边距，左右自动居中 */
            padding: 0 15px; /* 在小屏幕上添加内边距 */
            box-sizing: border-box;
        }
        
        .responsive-video {
            width: 100%;
            height: auto;
            display: block; /* 移除视频下方的空白 */
            background-color: #000; /* 视频加载前的背景色 */
        }