@charset "UTF-8";
/* css reset */
*,body,html,div,p,h1,h2,h3,h4,h5,h6,span,i,strong,small,ul,li,dl,dt,dd,ol,table,tr,td,th,a,input,textarea,label{margin:0;padding:0}
a{text-decoration: none;outline:none;display:inline-block;-webkit-transition: .3s;-moz-transition: .3s;-ms-transition: .3s;-o-transition: .3s;transition: .3s;}
img{border:0;vertical-align: middle;}
span{display:inline-block;-webkit-transition: .3s;-moz-transition: .3s;-ms-transition: .3s;-o-transition: .3s;transition: .3s;}
i{font-style: normal}
ul,li{list-style: none}
input:focus,textarea:focus,select:focus{outline-color:#fc6c21 }
body{font-family:"[PingFang] [[SC-Regular]", "Microsoft YaHei","Arial";font-size:62.5%;background:#FFF;}
.clear{clear:both}
.wrap{width:100%;max-width:768px;margin:0 auto;padding:0 0 4.8em;}
.wrap img{width:100%;display:inline-block; }
.pull_left{float:left}
.pull_right{float:right}
.btn{width:100%;display:block;text-align: center;/* padding:0 0 2em 0; */}
#txt{width:100%;display:none;}
.btn img{width:8%;}
.btn .b{-webkit-animation:move 1.5s ease-out infinite;animation:move 1.5s ease-out infinite;}
@-webkit-keyframes move {
    0%{margin-top: 0}
    50%{margin-top:15px;}
    100%{margin-top: 0}
}
@keyframes move {
    0%{margin-top: 0}
    50%{margin-top:15px;}
    100%{margin-top: 0}
}