*{
            margin: 0;
            padding: 0;
        }
        .container{
            height: 100vh;
            width: 100%;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
        }
        .video-container{
            position: absolute;
            top: 0;
            left: 0;
            z-index: -1;
            height: 100%;
            width: 100%;
        }
        .video-container video {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        @font-face {
            font-family:' myfont';
            src: url('../font/汉仪行楷简.ttf');
        }
        .text-video{
            color: white;
            text-align: center;
            line-height: 55px;
            position: relative;
            z-index: 1;
        }
        h1{
            font-family: 'myfont';
            font-size: 40px;
            font-weight: 100;
            color: white;
            text-align: center;
        }
        h2{
            font-family: Arial, Helvetica, sans-serif;
            font-weight: 100;
            color: white;
            text-align: center;
        }
        .btn{
            display: block;
            color: white;
            text-decoration: none;
            width: 150px;
            height: 50px;
            border:  1px solid white;
            line-height: 50px;
            margin-top: 30px;
            border-radius: 5px;
            text-align: center;
            position: relative;
            left: 50%;
            transform: translateX(-75px);
        }
        .btn:hover{
            background-color: rgba(255, 255, 255, 0.329);
            text-align: center;

        }
        .video-container::after{
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.103);
        }
        .nav{
            width: 1000px;
            height: 50px;
            /*background-color: rgba(255, 255, 255, 0);*/
            position: absolute;
            top: 30px;
        }
        img{
            height: 50px;
            float: left;
        }
        .list{
            float: right;
        }
        .list>li{
            float: left;
            list-style: none;
            color: white;
            margin-right: 30px;
            line-height: 50px;
        }
        .sub-list{
            list-style: none;
            display: none;
        }
        .list a{
            text-decoration: none;
            color: white;
        }
        .list a:hover{
            color: gold;
        }
        #product:hover .sub-list{
            display: block;
        }
        .triangle{
            width: 0;
            height: 0;
            border: 4px solid transparent;
            border-top: 4px solid white;
            position: relative;
            top: -2px;
        }
        #product:hover .triangle{
            border: 4px solid transparent;
            border-bottom: 4px solid white;
            position: relative;
            bottom: 2px;
        }
        .news{
            width: 100%;
            /*height: 1000px;*/
            background-color: rgb(252, 193, 115);
        }
        .title{
            max-width: 1200px;
            height:100px ;
            margin:0 auto;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .news-title{
            display: inline-block;
            text-align: center;
        }
        .news-container{
            max-width: 1200px;
           /* height: 800px;*/
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;

        }
        .news-item{
            width: 300px;
            height: 300px;
            background-color: white;
            padding: 20px;
            border-radius: 5px;
            margin: 20px;
        }
        .news-item img{
            width: 300px;
            height: 200px;
            margin-bottom: 10px;
        }
        .news-item h3{
            margin-bottom: 10px;
        }