.ly_cate{width: 100%;margin-top: 1.5%}.ly_cate .ly_cate_box{width: 93.75%;max-width: 1800px;margin: 0 auto}.ly_cate .ly_cate_box .ly_cate_header{text-align: center}
.ly_cate .ly_cate_box .ly_cate_main{display: flex;flex-direction: row;flex-wrap: wrap}.ly_cate_item{width: 22.225%;margin-right: 3.7%;text-align: center;margin-top: 3.5%}.ly_cate_item:nth-child(4n){margin-right: unset}.ly_cate_item a{font-size: 0;text-decoration: none}.ly_cate_item .ly_ci_img{position: relative}.ly_cate_item .ly_ci_img:before{display: block;content: '';position: absolute;top: 0;left: 0;right: 0;bottom: 0;opacity: 0;transition: all .3s}
.ly_cate_item .ly_ci_img:hover:before{opacity: 0.3}.ly_cate_item .ly_ci_title{font-size: 20px;display: block;margin-top: 2.5%}@media screen and (max-width:1000px){.ly_cate .ly_cate_box{width: 92%}.ly_cate .ly_cate_box .ly_cate_main{flex-wrap: nowrap;overflow-x: scroll;overflow-y: hidden}.ly_cate_item{min-width: 43%;margin-right: unset;padding-right: 5%}.ly_cate_item .ly_ci_title{font-size: 16px}.ly_cate_item:last-child{padding-right: unset}.ly_cate_item .ly_ci_img:hover:before{opacity: 0}}
@media screen and (min-width: 1000px){.ly_cs_item .mask:before{display: block;content: '';position: absolute;z-index: 3;top: 0;left: 0;right: 0;bottom: 0;opacity: 0;transition: all .3s;pointer-events: none}.ly_cs_item:hover .mask:before{opacity: 0.3}}