.bu{margin:0 auto;max-width:800px;padding:24px;background:-webkit-gradient(linear,left top,left bottom,color-stop(40%,#ffebe2),color-stop(60%,#fff));background:linear-gradient(#ffebe2 40%,#fff 60%);background:url(../img/bg_intro.7b7631d6.png) no-repeat top;background-size:100% 100%;width:100%;position:relative}.bu .bu-title{position:relative;font-size:22px;word-spacing:2px;letter-spacing:2px;line-height:54px;margin-bottom:1rem;z-index:1}.bu .bu-main{position:absolute;top:16%;width:calc(100% - 48px);padding-bottom:40px}.bu .bu-box{position:relative;z-index:1;background:#fff;width:100%;min-height:300px;padding:10px 20px;overflow:auto;border-radius:3px;-webkit-box-shadow:0 2px 36px #ffeae0;box-shadow:0 2px 36px #ffeae0;margin-bottom:30px}.bu .bu-box .bu-box__header{height:80px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-ms-flex-align:center;align-items:center;position:relative;margin-bottom:20px}.bu .bu-box .bu-box__header .header-title{font-size:18px;font-weight:600}.bu .bu-box .bu-box__header .height-logo{width:40px;height:40px}.bu .bu-box .bu-box__header:before{content:"";position:absolute;height:2px;width:30px;border-radius:1px;bottom:0;left:0;background:#ff5d16}.bu .bu-box .bu-box__main p img{width:100%!important;height:100%}.bu .bu-footer{text-align:center;margin-bottom:20px}.bu .bu-footer .footer-btn{padding:6px 12px;border-radius:3px;color:#ff5d16;width:140px;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;border:1px solid #ff5d16;font-size:16px;margin:0 auto}.bu .bu-footer .home-icon{max-width:30px;max-height:30px;margin-right:10px}