.about-img img{width:100%;}
.cate{padding:2% 0 4%;}
.cate .cate-list{margin-top:2%;}
.cate-img{background-color:#636363}
@media (max-width:768px){.cate{padding:20px 0 40px;}
.cate .cate-list{margin-top:20px;}}
.part-list{justify-content: center;}
.news-item:nth-of-type(2) .news-img img, .news-item:nth-of-type(3) .news-img img{object-fit: contain;}
.news-item:nth-of-type(2) .news-info, .news-item:nth-of-type(3) .news-info {flex: 2.5;}
.news-item:first-of-type .news-img img{display:block;aspect-ratio:7/5;object-fit:contain}
@media (max-width:1700px){.news-item:first-of-type .news-img img{aspect-ratio:5/4}}
@media (max-width:1500px){.news-item:first-of-type .news-img img{aspect-ratio:1/1}}
.about-img lite-youtube{max-width:100%;width:100%;height:100%}