----> <!----></div></div></div> <div class="sfcommonwg-cashiervip-pay-root"><div class="price-info">
应付金额：<span>19.9</span>元
</div> <div class="confirm">确认购买</div></div></div>




<style type="text/css">.sf-edu-wenku .voucher-package-root{background-color:#fff;position:fixed;bottom:0;width:100%;z-index:500;display:none}.sf-edu-wenku .voucher-package-root>.voucher-tabs-root{-webkit-box-flex:1;-webkit-flex:1;-ms-flex:1;flex:1;background:#fff;z-index:1000;position:relative;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;height:210px;width:100%;display:block;padding-top:24px;border-bottom:2px solid #E6E6E6}.sf-edu-wenku .voucher-package-root>.voucher-tabs-root .icon-close{position:absolute;top:0;right:4.10628019%;margin-right:-17px;background-image:url(//wkstatic.bdimg.com/static/wapwenku/static/static_for_sf/sf_common/widget/voucherPackage/image/close_f50ae26.svg);background-size:16px 16px;background-position:50% 50%;background-repeat:no-repeat;width:50px;height:50px}.sf-edu-wenku .voucher-package-root>.voucher-tabs-root .package-title{width:100%;font-size:18px;line-height:18px;text-align:center;position:fixed}.sf-edu-wenku .voucher-package-root>.voucher-tabs-root .package-title .red{color:#E54743}.sf-edu-wenku .voucher-package-root>.voucher-tabs-root .package-icon{width:59.17874396%;height:auto;position:fixed;margin-left:20.37037037%;margin-right:20.45088567%;margin-top:36px}.sf-edu-wenku .voucher-package-root>.voucher-tabs-root .package-video{width:100%;text-align:center;position:fixed;padding-top:123px}.sf-edu-wenku .voucher-package-root>.voucher-tabs-root .package-video .package-btn{border-radius:2px;width:91.78743961%;font-size:16px;line-height:44px;background-color:#E54743;margin-left:4.10628019%;margin-right:4.10628019%;display:block;color:#fff}.sf-edu-wenku .voucher-package-root>.voucher-tabs-root .package-video .video-tip{color:#666;font-size:13px;line-height:35px}</style>
<style type="text/css">.sf-edu-wenku .sfcommonwg-mask-root{bottom:0;position:absolute;width:100%;height:100%;background-color:rgba(0,0,0,.65);z-index:8}</style>
<div class="voucher-package-root" style="display: none; "><div class="sfcommonwg-mask-root" style="height: 240px; "></div> <div class="voucher-tabs-root"><i class="icon-close"></i> <div class="package-title">看视频广告，获取<span class="red">20元</span>代金券礼包</div> <img src="//wkstatic.bdimg.com/static/wapwenku/static/static_for_sf/sf_common/widget/voucherPackage/image/package_d1990aa.png" class="package-icon"> <div class="package-video"><a class="package-btn">看视频，立领券</a> <span class="video-tip">视频大小约3.7M</span></div></div></div>




<style type="text/css">.sf-edu-wenku .voucher-receive-root{background-color:#fff;position:fixed;bottom:0;width:100%;z-index:500;display:none}.sf-edu-wenku .voucher-receive-root>.receive-tabs-root{-webkit-box-flex:1;-webkit-flex:1;-ms-flex:1;flex:1;background:#fff;z-index:1000;position:relative;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;height:275px;width:100%;display:block;padding-top:24px;border-bottom:2px solid #E6E6E6}.sf-edu-wenku .voucher-receive-root>.receive-tabs-root .icon-close{position:absolute;top:0;right:4.10628019%;margin-right:-17px;background-image:url(//wkstatic.bdimg.com/static/wapwenku/static/static_for_sf/sf_common/widget/voucher/image/close_f50ae26.svg);background-size:16px 16px;background-position:50% 50%;background-repeat:no-repeat;width:50px;height:50px}.sf-edu-wenku .voucher-receive-root>.receive-tabs-root .voucher-title-tip{width:100%;font-size:18px;line-height:18px;text-align:center;position:fixed}.sf-edu-wenku .voucher-receive-root>.receive-tabs-root .voucher-title-tip .red{color:#E54743}.sf-edu-wenku .voucher-receive-root>.receive-tabs-root ul{padding-top:36px}.sf-edu-wenku .voucher-receive-root>.receive-tabs-root .voucher-img{width:91.30434783%;height:auto;margin-left:4.34782609%;margin-right:4.34782609%;padding-bottom:12px}.sf-edu-wenku .voucher-receive-root>.receive-tabs-root .receive-btn{border-radius:2px;width:91.78743961%;font-size:16px;line-height:44px;text-align:center;background-color:#E54743;margin-left:4.10628019%;margin-right:4.10628019%;display:block;color:#fff;margin-top:4px}</style>
<style type="text/css">.sf-edu-wenku .sfcommonwg-mask-root{bottom:0;position:absolute;width:100%;height:100%;background-color:rgba(0,0,0,.65);z-index:8}</style>
<div class="voucher-receive-root" style="display: none; "><div class="sfcommonwg-mask-root" style="height: 240px; "></div> <div class="receive-tabs-root"><i class="icon-close"></i> <div class="voucher-title-tip">恭喜您获得<span class="red">20元</span>VIP代金券</div> <ul><li><img src="//wkstatic.bdimg.com/static/wapwenku/static/static_for_sf/sf_common/widget/voucher/image/voucher-5_d588b99.png" class="voucher-img"></li> <li><img src="//wkstatic.bdimg.com/static/wapwenku/static/static_for_sf/sf_common/widget/voucher/image/voucher-15_4a390d7.png" class="voucher-img"></li></ul> <a class="receive-btn">立即使用</a></div></div>




<style type="text/css">.sf-edu-wenku{}.sf-edu-wenku .top-bar-root{width:100%;position:fixed;z-index:9;border-bottom:#f1f1f1 1px solid;-webkit-tap-highlight-color:rgba(255,255,255,0)}.sf-edu-wenku .top-bar-root>.wk-container{box-sizing:border-box;height:44px}.sf-edu-wenku .top-bar-root>.wk-container .left-panel{display:inline-block;height:100%}.sf-edu-wenku .top-bar-root>.wk-container .left-panel span{color:#333;display:inline-block;line-height:44px;height:44px;font-size:18px;vertical-align:top;font-weight:700}.sf-edu-wenku .top-bar-root>.wk-container .left-panel span.btn-back{height:100%;width:19px;padding:0 11px;margin-left:-11px;background-repeat:no-repeat;background-size:19px 19px;background-position:50% 50%}.sf-edu-wenku .top-bar-root>.wk-container .right-panel{float:right;height:100%;font-size:0}.sf-edu-wenku .top-bar-root>.wk-container .right-panel>button{position:relative;display:inline-block;line-height:44px;font-size:18px;height:100%;width:43px;box-sizing:border-box;border:0;background-color:transparent;padding:11px}.sf-edu-wenku .top-bar-root>.wk-container .right-panel>button>i{display:block;width:21px;height:21px;background-repeat:no-repeat;background-size:21px 21px;background-position:50% 50%}.