*{margin:0;padding:0}
.clearfix:after,.col-extra:after,.col-sub:after,.layout:after,.main-wrap:after,.tb-module:after{content:'.';display:block;
height:0;line-height:0;clear:both;visibility:hidden}
.clearfix,.col-extra,.col-sub,.layout,.main-wrap,.tb-module{*zoom:1}
.col-extra,.col-main,.col-sub{float:left;min-height:1px}
.layout{width:1190px;margin-left:auto;margin-right:auto}
.grid-0,.grid-0 .col-main,.grid-1 .col-main,.grid-2 .col-main{width:100%}
.grid-2 .col-main .main-wrap{margin-left:240px}.grid-2 .col-sub{width:240px;margin-left:-100%}
.grid-3 .col-main{width:100%}
.grid-3 .col-main .main-wrap{margin-left:950px}
.grid-3 .col-sub{width:950px;margin-left:-100%}
.grid-4 .col-main{width:100%}
.grid-4 .col-main .main-wrap{margin-left:170px;margin-right:470px}
.grid-4 .col-sub{width:170px;margin-left:-100%}
.grid-4 .col-extra{width:470px;margin-left:-470px}
.layout-grid-0{width:100%}
.site-nav .site-nav-bd{width:1190px!important}