body{
	margin: 0px;
}
.background{
	width: 100%;
	z-index: 1;
	position: absolute;
	top: 0px;
}
img{
	-webkit-user-drag: none;
	-moz-user-select: none; 
	-webkit-user-select: none; 
	-ms-user-select: none; 
	-khtml-user-select: none; 
	user-select: none
	
}
.top .Navigation {
    position: relative;
    display: block;
    margin: 0 auto;
	z-index: 100;
	color: floralwhite;
}

.top .Navigation .br{
    position: relative;
	width: 70%;
	padding:0 15%;
}
.top .Navigation .br .topImg{
	width: 100px;
	height: 60px;
	float: left;
	margin-left: 2%;
}
.top .Navigation .br .logo{
	width: 200px;
	float: left;
}
.top .Navigation .br .zh{
	width: 9%;
	height: calc(100vn * 0.9);
	float: left;
}
.top .Navigation .br .lj{
	width: 7%;
	height: calc(100vn * 0.8);
	float: left;
}
.top .Navigation .br .an{
	width: 10%;
	height: calc(100vn * 0.8);
	float: left;
}
.top .Navigation img{
	width: 100%;
	position: absolute;
	top: 0px;
	z-index: 1;
}
video,.bkground {
    left: 0;
    top: 0;
    height: 100%;
    position: fixed;
    right: 0px;
    bottom: 0px;
    min-width: 100%;
    min-height: 100%;
    height: auto;
    width: 100%;
    z-index: -11;
}    
img.sm {
    width: 80%;
}

#loading {
        width: 100%;
        height: 100%;
        padding: 0;
        margin: 0;
        text-align: center;
        display: table;
        position: absolute;
        z-index: 10000000001;
        background-size: 100%100%;
      }