.big_img img{height:5.1rem;width:100%}.main{margin:0.8rem auto;max-width:9rem}@media screen and (max-width: 768px){.main .ul{width:4.6rem;margin:0 auto}}.main .ul>div{width:100%}.main .ul>div .yes{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:start;-ms-flex-pack:start;justify-content:start;-ms-flex-wrap:wrap;flex-wrap:wrap}.main .ul .item{width:2.04rem;height:2.33rem;margin:0.1rem;-webkit-box-shadow:0 0 .05rem #ccc;box-shadow:0 0 .05rem #ccc}.main .ul .item a{background-color:#f4f4f4}.main .ul .item .imgbox{width:100%;height:1.3rem;overflow:hidden;-webkit-transition:all .3s;transition:all .3s;position:relative;background-color:#fff}.main .ul .item .imgbox img{-webkit-transition:all .3s;transition:all .3s;width:100%;position:absolute;height:auto;left:0;top:50%;-webkit-transform:translateY(-50%);transform:translateY(-50%)}.main .ul .item .item_title{font-size:0.14rem;line-height:2;margin:0.16rem 0.13rem 0;overflow:hidden;-webkit-box-flex:1;-ms-flex:1;flex:1}.main .ul .item .item_time{text-align:right;font-size:0.14rem;color:#999;margin:0 0.13rem 0.11rem 0}.main .ul .item:hover .imgbox{height:calc(1.3rem - 0.08rem)}.main .ul .item:hover .imgbox img{padding-bottom:0.08rem;margin-top:-0.08rem}.pagenav{margin:.7rem 0 0.9rem}.pagenav>div{font-size:0.14rem;line-height:0.3rem;white-space:nowrap}.pagenav select.navbtn,.pagenav .navbtn a{border:1px solid #bbb;border-radius:0.1rem;padding:0 0.25rem}.pagenav select{cursor:pointer}.pagenav .navbtn span,.pagenav .navbtn a{display:block;width:100%;height:100%}.pagenav .navbtn a:hover{background-color:#667BB4;color:white}.pagenav .navleft>div,.pagenav .navright>div{margin:0 .07rem}.pagenav .navleft{margin-right:.6rem;margin-bottom:0.1rem}@media screen and (max-width: 768px){.pagenav .navleft{margin-right:0}}.pagenav .navright select{font-size:0.14rem;height:.32rem}