.book{width:1200px;margin:20px auto;min-height:600px}.bookNone{display:none;height:580px;background:url(../../img/book_bg.jpg) center center no-repeat}.bookTit h3{font-size:22px;color:#333;font-weight:normal;float:left}.bookTit small{font-size:12px;margin-left:20px}.bookTit i{display:block;width:40px;height:1px;background:#d6d6d6}.bookTit p{float:right;margin:3px 10px 0 0}.bookTit p span{float:left;padding:0 10px;background:#fff;border:1px solid #e4e4e4;line-height:24px;cursor:pointer;font-size:12px;border-left:none}.bookTit input{float:left;width:260px;height:24px;border:solid 1px #ddd;text-indent:5px}.book .bookNav{clear:both;width:1200px;margin:0 auto;font-size:20px;padding:18px 0 10px}.book .bookNav a{color:#333;margin-right:30px}.book .bookNav .navActive{color:#1f6fc6}.book .materialsList{padding:5px 0 25px 0;position:relative;clear:both}.book .materialsList>div{float:left;margin-right:22px}.book .materialsList>div:nth-child(4n){margin-right:0}.book .msterList{width:281px;height:400px;text-align:center;background:#fff;box-shadow:1px 2px 10px rgba(0,0,0,.1);transition:all .3s ease;position:relative;padding-bottom:10px;margin-bottom:20px}.book .msterBook{box-shadow:5px 5px 15px rgba(0,0,0,.3)}.book .msterList dt{width:250px;height:250px;margin:15px;cursor:pointer}.book .msterList dt img{width:100%;height:100%;background-size:contain;padding-top:15px}.book .msterList dd h4{font-size:18px;color:#1b1b1b;margin:30px 0 10px 0}.book .msterList p{font-size:12px;color:#a3a3a3;margin-bottom:4px;width:100%;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.book .bookCart{font-size:18px;color:#cb1f0d}.book .bookCart i{text-decoration:line-through;color:#aaa;font-style:normal;font-size:12px;margin-left:10px}.book .bookCart a{width:27px;height:27px;background:url(../../img/book_icon_cart.png) 0 6px;display:inline-block;margin-top:-2px;margin-left:5px}.book .type{height:22px;line-height:22px;color:#1a6fbf;border:1px solid #e0dddd;position:absolute;z-index:100;text-align:center;top:18px;left:11px;background:#fff;font-size:14px;overflow:visible;padding:0 6px}.book .type i{position:absolute;left:-2px;top:23px;background:url(../../img/book_icon_shadow.png) no-repeat;width:5px;height:6px}.book .hoverDiv{display:none;position:absolute;top:0;left:-23%;z-index:999;background:#fff;width:415px;box-shadow:5px 5px 15px rgba(0,0,0,.3)}.book .hoverDiv dl{float:left;height:416px}.book .listHover{float:left;font-size:12px}.book .listHover p{margin-top:20px}.book .listHover ul{border-left:1px solid #f6f7f8;margin-left:10px}.book .listHover ul img{width:52px;height:52px}.book .listHover li{background:url(../../img/book_icon_jia.png)no-repeat 0 center;width:auto;padding:0 0 0 15px;margin:5px 0 5px -6px;text-align:left;line-height:46px}.book .listHover li:hover{color:#066cd4}.book .listHover li span{display:inline-block;width:48px;overflow:hidden}.book .baoyou{font-style:normal;color:#aaa;border:1px solid #ccc;font-size:10px;margin-left:10px;padding:0 3px;display:inline-block;line-height:14px;vertical-align:text-top;margin-top:6px}