.form_book .code_img{position:absolute;right:15px;top:0;bottom:0;margin:auto;}
.fr{float:right !important;}
.inside_anli li.item:nth-child(3n){margin-right:0;}
.inside_banner{position:relative;}
.inside_banner img{position:absolute;left:50%;transform:translateX(-50%);top:0;bottom:0;margin:auto;height:100%;}