body,div,a,span{margin:0; padding:0;-webkit-text-size-adjust:100%;position: relative;}
em,i{font-style:normal;}
li{list-style:none;}
img{border:0;}
input,img{vertical-align:middle;}
article,aside,footer,header,hgroup,nav,section,menu{display:block;}
a{text-decoration:none;color: #333;}
textarea{ -webkit-appearance: none;}
a{-webkit-tap-highlight-color: rgba(0,0,0,0);-webkit-touch-callout:none;}
a:link,a:visited,a:active{text-decoration:none;}
a:focus {outline:none;  -moz-outline:none;}
input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {display: none;}
table{border-spacing:0;}
input,textarea{border-radius: 0;}
*:focus{
    outline: none;
}
/*ios 去掉input自带样式*/
input[type=button], input[type=submit], input[type=file], button { cursor: pointer; -webkit-appearance: none;
    border: 0;}
.hide{
    display: none;
}
.down{
    z-index: 1111;
    width: 3rem;
    cursor: pointer;
    display: block;
    position: absolute;
    left: 50%;
    bottom: 2%;
}

._fade-in{
    animation: fade-in 1.5s linear infinite;
    -webkit-animation: fade-in 1.5s linear infinite;
    -moz-keyframes: fade-in 1.5s linear infinite;
    -o-keyframes: fade-in 1.5s linear infinite;
}
@keyframes fade-in {
    0% {opacity: 0;}
    25% {opacity: 0.5;}
    50% {opacity: 1;}
    75% {opacity: 0.5;}
    100% {opacity: 0;}
}
@-webkit-keyframes fade-in {
    0% {opacity: 0;}
    25% {opacity: 0.5;}
    50% {opacity: 1;}
    75% {opacity: 0.5;}
    100% {opacity: 0;}
}
@-moz-keyframes fade-in {
    0% {opacity: 0;}
    25% {opacity: 0.5;}
    50% {opacity: 1;}
    75% {opacity: 0.5;}
    100% {opacity: 0;}
}
@-o-keyframes fade-in {
    0% {opacity: 0;}
    25% {opacity: 0.5;}
    50% {opacity: 1;}
    75% {opacity: 0.5;}
    100% {opacity: 0;}
}
.returnChines {
    width: 140px;
    position: absolute;
    right: 30px;
    top: 6%;
    z-index: 11111;
}
.broadcast{
    position: absolute; top: 32%;left: 43%;
    z-index: 1111;
    width: 7rem;
}