.case_detail-mod1 h1{text-align:center;font-weight:bold;}.case_detail-mod1 .w{width:88%;height:100%;margin:0 auto;}.case_detail-mod1 .opt-list{display:flex;align-items:center;justify-content:space-between;}.case_detail-mod1 .opt-item{cursor:pointer;}.case_detail-mod1 .pic-opt{position:relative;}.case_detail-mod1 .pic-opt .l,.case_detail-mod1 .pic-opt .r{position:absolute;top:50%;width:44px;height:44px;margin-top:-22px;border-radius:50%;text-align:center;line-height:44px;background-color:var(--style-color);color:#fff;cursor:pointer;font-size:25px;z-index:999;}.case_detail-mod1 .pic-opt .l{left:-22px;}.case_detail-mod1 .pic-opt .r{right:-22px;}.case_detail-mod1 .big-pic{margin:33px 0;}.case_detail-mod1 .big-pic img{width:100%;height:100%;}.case_detail-mod1 .t{font-weight:bold;}.case_detail-mod1 .s-t{margin:10px 0 33px;font-size:24px;}@media screen and (max-width:768px){.case_detail-mod1 .pic-opt .l,.case_detail-mod1 .pic-opt .r{display:none;width:30px;height:30px;line-height:30px;margin-top:-15px;}}.case_detail-mod1 .opt-item.act{transform:scale(1.1);}