.video_show {
 max-width:1920px;
 margin:0 auto;
 background:#ffffff;
 padding-top:1px;
 box-sizing:border-box
}


.video_show .video {
 width:100%;
 position:relative;
 height:970px;
 overflow:hidden
}


.video_show .video_txt {
 position:relative;
 color:#ffffff;
 vertical-align:middle;
 /*ax-width:888px;*/
 padding-top:15%
}


.video_show .video_txt h1 {
 font-size:38px;
 padding:40px 0
}


.video_show .video_txt p {
 font-size:18px;
 line-height:36px
}


.video_show .video_txt p a {
 display:block;
 width:200px;
 padding:0 20px;
 color:#ffffff;
 background:none;
 border:1px solid #ffffff;
 margin:10% auto 0 auto;
 border-radius:20px;
 transition:all .4s ease
}


.video_show .video_txt p a:hover {
 background:#d20b17;
 color:#ffffff;
 border:1px solid #d20b17;
 transform:translate(0, -10px)
}


.videobg {
 max-width:1920px;
 position:relative;
 background:rgba(0,0,0,0.2);/****透明度：数值越大，透明度越低****/
 top:-978px;
 height:970px;
 overflow:hidden;
}