body{}
.koubei_main{ margin: 0; padding: 0;min-width: 1200px; background: #ffffff;}
.koubei_main img{ display: inline-block;}
.koubei_main .w1200{ width: 1200px; margin: 0 auto;}
.koubei_banner{ width: 100%; background-image: url(../images/koubei_banner1.jpg); background-position: top center; background-repeat: no-repeat; height: 480px;}
.koubei_dangqian{ padding: 10px 0 0 0; font-size: 16px; line-height: 30px; color: #888;}
.koubei_dangqian a{ color: #888;}
.koubei_list{ padding-bottom: 30px;column-count:4;}
.koubei_list ul li{ margin-top: 20px; float: left; width: 280px; overflow: hidden; display: inline-block;    box-shadow: 0 1px 3px rgba(0,0,0,.02), 0 4px 8px rgba(0,0,0,.02);
    border-radius: 3px;
    overflow: hidden;
    -webkit-transition: transform .15s ease-in-out,box-shadow .15s ease-in-out;
    -moz-box-shadow: 0 1px 3px rgba(0,0,0,.02),0 4px 8px rgba(0,0,0,.02);
    -webkit-box-shadow: 0 1px 3px rgba(0,0,0,.02), 0 4px 8px rgba(0,0,0,.02);
    -webkit-backface-visibility: hidden;}
.koubei_list ul li img{ width: 100%; height: auto; transition: all .4s;  vertical-align: bottom;}