*,:after,:before{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body,html{font-size:0.53068rem;color:#fff;height:100%;font-family:Helvetica,Arial,sans-serif;-webkit-overflow-scrolling:touch}body{min-height:100%;padding:0;margin:0;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;overflow-x:hidden;background-image:-webkit-gradient(linear,left top,left bottom,from(#52b6f9),to(#3498db));background-image:-webkit-linear-gradient(top,#52b6f9,#3498db);background-image:linear-gradient(180deg,#52b6f9,#3498db);padding-top:0.82919rem}img{height:100%;width:100%;border-radius:0.03317rem}.book-card{margin:0 auto;width:5.22388rem;height:7.46269rem;border-radius:0.13267rem;background-color:#fff;box-shadow:0 0.08292rem 0.24876rem 0 rgba(0,0,0,.05);padding-top:0.66335rem}.book-image{margin:0 auto;width:2.48756rem;height:3.15091rem;border-radius:0.03317rem;box-shadow:0 0.03317rem 0.08292rem 0 rgba(0,0,0,.15)}.card-title{line-height:0.39801rem;margin-top:0.24876rem;color:#333;font-size:0.28192rem;text-align:center}.card-desc{margin-top:0.33167rem;line-height:0.29851rem;font-size:0.21559rem;color:#666;padding:0 0.49751rem}.btn-download,.card-desc{font-weight:500;text-align:center}.btn-download{margin:0.67993rem auto;width:3.31675rem;height:0.72968rem;line-height:0.72968rem;border-radius:0.72968rem;background-color:#3498db;box-shadow:0 0.03317rem 0.08292rem 0 rgba(52,152,219,.5);font-size:0.28192rem}.logo{margin:0.49751rem auto 0;background:url(../images/logo.png) no-repeat;background-size:100%;width:1.99005rem;height:0.72968rem}