.btn{padding:0 40px;min-width:auto}.bookEmpty{display:none}.bookEmpty p{font-size:20px;margin-bottom:40px}.bookEmpty .btn{width:188px}.content_box{min-height:100vh}.ebook-filter{display:flex;align-items:flex-end;margin:40px 0}.ebook-filter .form-group{margin-bottom:0;width:260px;margin-right:10px}.ebook-tab-box{display:flex;margin:60px 0 30px}.ebook-tab-box .ebook-tab{cursor:pointer;color:#666;margin-right:40px}.ebook-tab-box .ebook-tab.active{border-bottom:3px solid #e85b07;padding-bottom:4px;color:#000}.ebook-info{flex:1}.ebook-box{border-radius:4px;border:solid 1px #ddd;background-color:white;display:flex;padding:30px;margin-bottom:20px}.ebook-img{width:158px;margin-right:30px}.ebook-img img{width:100%;border:solid 1px #d5d5d5;height:auto}.ebook-title{font-size:20px;font-weight:bold;margin-bottom:14px}.ebook-lang{margin-bottom:13px}.ebook-btn-box{margin-top:30px;display:flex;align-items:flex-end}.ebook-chapter{display:flex;align-items:center;margin-right:30px;flex-wrap:wrap;flex-shrink:1}.ebook-chapter span{cursor:pointer;min-width:26px;height:26px;border-radius:4px;border:solid 1px #ddd;text-align:center;line-height:24px;font-size:14px;color:#e85b07;margin:5px 10px 5px 0;padding:0 5px}.ebook-chapter span img{width:20px;vertical-align:sub}.ebook-chapter span:hover{color:white;background-color:#e85b07}.ebook-chapter span.lock{background-color:#e6e6e6}.ebook-tips{color:#c8c9ca;margin:-6px 0 20px}.ebook-btn{display:flex;flex-direction:column;justify-content:center}.ebook-btn .btn{height:40px;line-height:36px;margin:6px 0}.book-detail-content{margin-top:20px;background:white;padding:40px;border:1px solid #e0e0e0}.detail{display:flex;margin-bottom:18px}.detail-img{width:192px;margin-right:40px}.detail-img img{border:solid 1px #e0e0e0;width:100%;height:auto}.detail-info{flex:1;display:flex;flex-direction:column}.detail-info .book-name{font-size:30px;font-weight:bold}.detail-info .book-down{align-items:flex-end;margin-top:40px}.chapter-box{display:flex;align-items:center;padding:18px 30px}.chapter-box:nth-child(2n-1){background:#f5f5f5}.chapter-box.lock{color:#979ca9}.chapter-box.lock .audio-download{background-image:url("../../img/icons/ic-download-recording-d.svg")}.chapter-box.lock .btn-download:disabled,.chapter-box.lock .btn-download:disabled:hover{border-color:#e6e6e6!important;background:#fff!important;color:#979ca9!important}.chapter-lesson{min-width:100px;margin-right:15px}.chapter-description{flex:1;padding-right:50px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chapter-page{margin-right:30px;text-align:right}.chapter .audio-download{margin-top:12px;background:url("../../img/icons/ic-download-recording.svg") no-repeat left center;background-size:18px;padding-left:30px}.chapter .btn-read{font-size:16px}.chapter .btn-download{height:30px;line-height:28px;margin-right:8px;color:#e85b07;padding:0 30px;border:solid 1px #e6e6e6}.book-down{height:30px;line-height:28px;border:solid 1px #e6e6e6}.view_nav{border-bottom:1px solid #ddd;margin-bottom:26px}.view_nav .nav-tabs{border:0}.view_nav .nav-tabs .nav-link{padding:12px 30px;border:0;border-bottom:2px solid transparent}.view_nav .nav-tabs .nav-link.active{border-bottom:2px solid #e85b07;color:#e85b07}.ebook-detail .list-box{min-height:115px;padding:24px 30px;box-shadow:none}.ebook-detail .list-box:nth-child(2n-1){background:#f9f9f9}