html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,hgroup,menu,nav,output,ruby,section,summary,time,mark,audio,video{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline;}

html { overflow-y:hidden;}
body {background-color:#ff6501;}

a{text-decoration:none}

a:link {FONT-FAMILY: "宋体";  font-size:18px; COLOR: #FFFFFF;  TEXT-DECORATION: none;}

a:hover {FONT-FAMILY: "宋体";  font-size:18px; COLOR: #FFFFFF;background-color:#1c1c1c; TEXT-DECORATION: none;}

a:visited {FONT-FAMILY: "宋体";  font-size:18px; COLOR: #FFFFFF; TEXT-DECORATION: none;}

a:visited:hover {FONT-FAMILY: "宋体";  font-size:18px; COLOR: #FFFFFF;background-color:#1c1c1c; TEXT-DECORATION: none;}

a:active {FONT-FAMILY: "宋体";  font-size:18px; COLOR: #FFFFFF; TEXT-DECORATION: none;}


.container                       {width:100%;height:100%;margin:0 auto;overflow:hidden;position:relative}

.container                        .video-bg{width:100%;height:100%;overflow:hidden;}

.container                        .video-bg .video-tvc{height:100%;width:100%;overflow:hidden;}

.container                        .content {width:100%;height:100%;position:absolute;top:0;left:0;overflow:hidden;}

.container                        .content .header{height:auto;line-height:75px;overflow:hidden;}

.container                        .content .header-right{float:left;margin:20% 27%;font-size:16px;font-weight:500;overflow:hidden;}

.container                        .content .middle{
	width:600px;
	height:850px;	
        margin-top:5%;
        margin-left:50%;	
	overflow:hidden;
}

.down_txt{
float:left;
font-family: PingFangSC-Medium, sans-serif;
color: #fff;
font-size: 16px;
line-height: 30px;margin-top:0px;margin-left:25%;
text-align: left;overflow:hidden;
}

.downBtn{margin-top:30px;
	width: 450px;
	float: left;
	height: 500px;
}
.downBtn .adbtn{
    
    height: 40px;
    border-radius: 15%;
    float: left;
    position: relative;
}
.downBtn .adbtn .bigimg{
    position: absolute;
    left: -15px;
    top: 50px;
   
    height: 150px;
    display: none;    
    background-size: 100% 100%;
    padding-top: 13px;
}
.downBtn .adbtn .bigimg img{
    
    height: 150px;
}
.downBtn .adbtn .adimg{
    cursor: pointer;
    
    height: 100%;
}


#hover1:hover #bigimg1{
    display: block;
}
#hover2:hover #bigimg2{
    display: block;
}

#hover3:hover #bigimg3{
    display: block;
}

#hover4:hover #bigimg4{
    display: block;
}