.api-book-box{border:1px solid #e1e1e1;background-color:#fff;height:190px;margin:31px 27px 0 0;float:left;overflow:hidden;position:relative;width:340px}.api-book-box h2{font-size:18px;color:#555;text-align:center;padding-top:14px}.api-book-box h2,.api-descrpit{line-height:18px;font-weight:400}.api-descrpit{padding:10px 18px 0;font-size:14px;color:#aaa;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.api-price{position:absolute;bottom:38px;width:100%;margin:0 auto}.api-price,.api-router{text-align:center;font-size:14px}.api-router{float:right}.api-function,.api-router{font-weight:400;color:#4d90fd;cursor:pointer;width:50%}.api-function{text-align:center;font-size:14px;float:left}.clear-both:after{content:"";display:block;clear:both}.under-box{width:100%;position:absolute;bottom:0}.under-box:after{content:"";display:block;clear:both}.api-book{padding-left:20px;padding-bottom:20px}