.top_img{height:4.6rem}.top_img .big_img{width:100%;height:100%}.top_img .top_content{width:100%;top:0}.top_img .top_content .title{color:white;font-size:0.58rem;font-weight:bold;margin:0.7rem 0 0.3rem}.top_img .top_content .subtitle{font-size:0.2rem;color:white;margin:0 auto;line-height:1.5;width:6.16rem}.main{padding-top:0.3rem;padding-bottom:0.6rem}.main ul>.item{margin:0.25rem 0;background-color:#CCD0D4;padding:0.4rem 0}.main ul>.item .item_img{width:4.28rem;height:2.86rem}.main ul>.item .text_content{width:4.28rem;margin-left:0.4rem}.main ul>.item .text_content .item_title{font-size:0.28rem;margin-top:0.3rem;margin-bottom:0.44rem}.main ul>.item .text_content .item_content{font-size:0.18rem;margin-bottom:0.4rem;line-height:1.5}.main ul>.item .text_content .more_btn{background-color:white;width:0.8rem;height:0.3rem;line-height:0.3rem;display:block;text-align:center;border-radius:0.15rem;cursor:pointer;font-size:0.14rem}.main ul>.item .text_content .more_btn:hover{background-color:#667BB4;color:white;-webkit-transition:all .1s;transition:all .1s}.main ul>.item:nth-child(2n){background-color:white;-webkit-box-orient:horizontal;-webkit-box-direction:reverse;-ms-flex-direction:row-reverse;flex-direction:row-reverse}.main ul>.item:nth-child(2n) .more_btn{display:block;border:0.01rem solid #bbb}