.g_container{min-height:calc(100vh - 215px - 194px - 60px - 290px);}
.top_banner{overflow:hidden;position:relative;height:290px;}
.banner_area{position:relative;width:1080px;margin:0 auto;}
.banner_item{position:relative;display:none;width:1080px;height:290px;}
.banner_on{display:block;}
.banner_item > img{z-index:-1;position:absolute;top:0;left:50%;margin-left:-1280px;}
.banner_area .arw{z-index:10;position:absolute;top:125px;width:40px;height:40px;background-repeat:no-repeat;text-indent:-9999px;}
.banner_area .prev{left:0;background-image:url(//img2.itemmania.com/new_images/icon/icon_left.png);}
.banner_area .next{right:0;background-image:url(//img2.itemmania.com/new_images/icon/icon_right.png);}
.menu_area{overflow:hidden;margin:30px -10px 0 -10px;}
.menu_list > li{position:relative;float:left;width:200px;height:230px;margin:10px;}
.menu_list > li > a{box-sizing:border-box;display:block;width:200px;height:230px;}
.menu_list > li > a:hover{border:1px solid #159EFD;}
.menu_list > li > a > img{z-index:-1;position:absolute;top:0;left:0;}
.bottom_banner_area{margin:30px 0 60px;}