a,body,dd,div,dl,dt,em,form,h1,h2,h3,h4,h5,h6,html,img,label,li,ol,p,span,table,tbody,td,tfoot,th,thead,tr,ul{margin:0;padding:0}
*{outline:none}
a{color:#333;cursor:pointer;text-decoration:none}
body{margin:0 auto;color:#3d3d3d;-webkit-text-size-adjust:none;cursor:default;overflow-x:hidden;background-color:#fff}
img{border:0;max-width: 100%;}
input,input[type=button],input[type=reset],input[type=submit]{-webkit-appearance:none;-moz-appearance:none;appearance:none;outline:0;border:0}
a,b,button,em,i,input,lable,span{outline:none;transition:all .2s;display:inline-block;font-style:normal}
table{border-collapse:collapse}
button{border-radius:0;-webkit-border-radius:0;border:0;padding:0}
h1,h2,h3,h4,h5,h6{font-weight:400;font-size: 17px;}
ul{list-style:none}
.subject{height:40px;padding-top:6px;border-left:1px solid #f0f0f0}
.subject span{font-size:26px;font-weight:700;color:#333;margin-left:20px}
.hoverclass:hover,button:hover{background-color:rgba(0,0,0,.1);opacity:.7}
a:hover{opacity:.7}

.kefu__box_content {position: fixed;left: 20px;bottom: 210px;height: 180px;width: 180px;z-index: 999;}
.kefu__box_content img {width: 180px;height: 180px;}
.kefu__box_content p {text-align:center;font-size:13px;}