html,body,div,span,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,abbr,address,cite,code,del,dfn,em,img,ins,kbd,q,samp,small,strong,sub,sup,var,b,i,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,figcaption,figure,footer,head,hgroup,menu,nav,section,summary,time,mark,audio,video {
    margin: 0;
    padding: 0;
    font-family:"Microsoft YaHei";
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
	box-sizing: border-box;
	-webkit-user-select: none;
	-moz-user-select: none;
	user-select: none;
}
/* 清除浮动 */
.clearfix {
    *zoom: 1;
}
.clearfix::after {
    display: block;
    clear: both;
    visibility: hidden;
    overflow: hidden;
    content: " ";
    height: 0;
    font-size: 0;
}
ul,li{
    list-style: none;
}
em,i{
    font-style: normal;
}
img{
    max-width: 100%;
    vertical-align: top;
} 
.all{
    /* position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0; */
    width: 100vw;
    height: 100vh;
    background: url(../images/bg.png) no-repeat center center;
    background-size: 100% 100%;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    position: relative;
    overflow-x: hidden;
    overflow-y: hidden;
    position: relative;
}
.head{
    position: relative;
}
.head .title{
    width: 100vw;  
}
.head .head_time{
    position: absolute;
    left: 10.5625vw;
    top: 0; 
    color: #BAECFF;  
    height: 60%;
}
.head .head_time .close{
    width: 1.45vw;
    margin-left: 1.5625vw;
    cursor: pointer;
}
.head .head_time span{
    margin-left: 1.0416vw;
    font-size: 1.3889vh;
    line-height: 2.592vh;
}
.head .head_logo {
	position: absolute;
	left: 32.5625vw;
	top: 0;
	color: #BAECFF;
	height: 60%;
}
.head .head_logo img {
	height: 7vh;
	width: 36vw;
}
.head .head_tabbar{
    position: absolute;
    right: -0.2vh;
    top: 0;
    height: 60%;
    color: #6F96AE; 
}
.head .head_tabbar li{ 
    position: relative; 
    height: 100%;
    cursor: pointer;
}
.head .head_tabbar li i{
    display: inline-block;
    width: 2px;
    height: 1.6667vh;
    background: #49677A;
}
.head .head_tabbar li p{
    padding:0 1.58333vw;
    font-size: 1.6667vh;
}
.head .head_tabbar li span{
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
}
.head .head_tabbar li.active p{
    color: #CCF1FF; 
}
.head .head_tabbar li.active span{
    background: url('../images/title_line.png')no-repeat center;
    background-size: contain;
}
.head .head_video {
	position: absolute;
	left: 2vw;
	top: 0;
	color: #BAECFF;
	height: 30%;
	text-align: center;
	line-height: 30%;
	line-height:60%;
	padding-top: .5vh;
	width: 7vw;
	margin-top: 1.5vh;
	background: #15D4FF;
	border-radius: 2vh;
	background-image: linear-gradient(#15D4FF 6%, #500AD3 79%);
}
.head .head_video>span {
	display: inline-block;
	margin-top: 0.25rem;
}
.head .head_video>img {
	display: inline-block;
	width: .7rem;
	margin-top: .15rem;
	margin-right: .6rem;
}
 
.display_flex{
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
}
.justify-content_flex-justify{
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;
}
.justify-content_space-around{
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    -webkit-justify-content: space-around;
    justify-content: space-around;
}
.align-items_center{
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}
.flex-direction_column{
    -webkit-flex-direction: column;
    -webkit-box-orient: vertical;
    -moz-flex-direction: column;
    -moz-box-orient: vertical;
    -ms-flex-direction: column;
    flex-direction: column;
}
.flex_1{ 
    -prefix-box-flex: 1; 
    -webkit-box-flex: 1; 
    -webkit-flex: 1; 
    -moz-box-flex: 1; 
    -ms-flex: 1;
    flex: 1;  
}