.querystyle1077865{ border-right: #878787 1px solid; border-top: #878787 1px solid; padding-left: 18px; font-size: 10pt; background-image: url(/system/resource/images/research/seach_bg.gif); border-left: #878787 1px solid; color: #222222; padding-top: 3px; border-bottom: #878787 1px solid; background-repeat: no-repeat; font-family: 宋体; position: relative; height: 22px ;}

/**样式**/
.nav-list li.last .nav-down{text-align:left;}
.banner video {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 9.6rem;
 object-fit: cover;
    background-repeat: no-repeat;
    background-position: center center;
  /*  -webkit-background-size: cover;
    background-size: cover;*/
     min-height: 100%;
    min-width: 100%;}
video::-webkit-media-controls-enclosure {display: none;//隐藏控件//修改样式如下
background-color: brown;width: 0;
height: 0;}

@media(max-width: 768px){
    .ban-video{height:9.6rem !important;display:block;}
    .ban-video-a {height:9.6rem !important;}
    
    }
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