.book-content{padding:60px 0}.book-title{font-size:32px;margin-bottom:40px;font-weight:400}.book-desc{font-size:16px;line-height:27px;color:#333;text-align:left}.book-desc p{text-indent:2em;text-align:justify}.book-desc span{display:block;text-indent:0;margin-top:30px}.xu{font-size:24px;display:block;text-align:left}.download-book{display:block;color:#29a9ff;margin-top:30px;font-size:18px;cursor:pointer}.download-book:hover{color:#29a9ff}@media screen and (min-width:760px) and (max-width:1180px){.view .wrap{width:960px}}@media screen and (max-width:750px){.xu{font-size:30px}.book-desc,.book-desc p{font-size:24px;line-height:36px}.download-book{font-size:24px}}