.flex{display:flex;display:-webkit-flex}.greyF{color:#929292}.mb_12{margin-bottom:1.2rem}.mb_15{margin-bottom:.375rem}.mb_45{margin-top:1.125rem}.show{display:block}.hide{display:none}html{width:100%}body{font:"微软雅黑","宋体","Arial Narrow",HELVETICA;background:#fff}a{color:#000}a:hover{text-decoration:none}@media screen and (min-width:750px){body{width:10.35rem;height:18.4rem;overflow:hidden;margin:0 auto}body .bg-img{width:10.35rem;height:18.4rem;position:fixed}body .mask{width:10.35rem;height:18.4rem;position:fixed;background:#000;opacity:.58;top:0}}.bg-img{background:url(../images/bg.png) no-repeat;width:100%;height:100%;background-size:cover;position:fixed}.wrapper{position:absolute;width:100%;height:100%}.wrapper .title{margin:1.3rem auto 0 auto;text-align:center}.wrapper .title img{width:6.675rem}.wrapper .click-box{width:80%;margin:1rem auto}.wrapper .click-box img{width:3.375rem;position:absolute}.wrapper .click-box .p2{right:10%;margin-top:12%}.wrapper .click-box .p3{margin-top:46%;margin-left:14%}.wrapper .bottom{position:absolute;bottom:1%;width:20%;left:40%}.wrapper .bottom img{width:100%}.tc{width:90%;position:absolute;top:2rem;left:5%;z-index:2}.tc .title{background:url(../images/tc-t.png) no-repeat;width:100%;background-size:cover;height:1.5rem;color:#fff;font-size:.45rem;line-height:1.5rem;text-indent:.5rem}.tc .close-btn{background:url(../images/close.png) no-repeat;position:absolute;width:40px;height:40px;background-size:cover;right:-8px;margin-top:-16px}.tc .content{height:11rem;width:99.4%;margin:auto;background:#fff;border-bottom-left-radius:.3rem;border-bottom-right-radius:.3rem;box-shadow:-1px 1px 5px rgba(0,0,0,.3);overflow-y:auto}.tc .content img{width:100%}.mask{width:100%;height:100%;position:fixed;background:#000;opacity:.58;top:0}