body {
    max-width: 769px;
    min-width: 320px;
    margin: 0px auto;
    padding: 0px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    color: #333;
    background:#fff;
    -webkit-tap-highlight-color: transparent;
    box-shadow: 0 2px 2px rgba(0,0,0,.3);
    user-select:none;/*禁止复制*/
}
a,ul,li{
    margin:0px;
    padding: 0px;
    list-style: none;
    text-decoration: none;
}
.header {
    max-width: 769px;
    min-width: 320px;
    font-size: .42rem;
    background: -moz-linear-gradient(90deg, #FF7139 0%, #FF9B49 100%);
    background: -webkit-linear-gradient(90deg, #FF7139 0%, #FF9B49 100%);
    background: -o-linear-gradient(90deg, #FF7139 0%, #FF9B49 100%);
    background: -ms-linear-gradient(90deg, #FF7139 0%, #FF9B49 100%);
    background: linear-gradient(90deg, #FF7139 0%, #FF9B49 100%);
    color:#fff;
    width: 100%;
    height: 40px;
    display: flex;
    justify-content: space-between;
    position: fixed;
    top:0;
    align-items: center;
    z-index: 99999;
}
.header .back{
    display: flex;
    justify-content:left;
    align-items: center;
    padding-left: 10px;
    width: 44px;
}
.header .back img{
    height: 0.7rem;
    width: auto;
}
.header .back a.back-icon img{
    height: 16px;
    width: 16px;
}
.title-left{
    flex: 1;
    text-align: center;
}
a.back-icon{
    display: grid;
    padding: 5px 10px 5px 0px;
}
.header .logo {
    font-weight: bold;
    flex: 4;
    font-size: 20px;
    text-align: center;
}
.right-function{
    display: flex;
    align-items: center;
    justify-content: flex-end;
    text-align: right;
    padding-right: 10px;
}
.right-function a{
    font-size: .36rem;
    color: #fff;
    font-weight: 500;
    background: #3B52D6;
    padding:2px 10px;
    border-radius: 20px;
    text-decoration: none;
}
.header a{
    display: flex;
}
.h_video{
    width: 80px;
    margin-top: 5px;
	margin-right: 15px;
}
.h_video a{
	width: 100%;
	height: 100%;
	display: inline-block;
}
.h_video img{
    width: 100%;
}