*{box-sizing: border-box;}
body{font-family:Microsoft YaHei,Tahoma, Helvetica, Arial, sans-serif; font-size:16px;}
a{text-decoration: none;}
ul,p,h1,h2,h3,h4,h5,h6{font-weight: normal;padding:0px;margin: 0px;list-style-type: none;}
/*公共类*/
/* .container{width: 1200px;margin:auto;} */
.container-fluid{width: 100%;margin:auto;}
.fl {float: left}
.fr {float: right}
.al {text-align: left}
.ac {text-align: center}
.ar {text-align: right}
.hide {display: none}
.clearfix:after {content: "."; display: block; height:0; clear:both; visibility: hidden;}
.clearfix { *zoom:1; }

@media (max-width:450px){
  .container{width: 100%;margin:auto;}
}

@media (min-width:1200px) {
  .container{width: 1200px;margin:auto;}
  }