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<style type="text/css">.sf-edu-wenku{}.sf-edu-wenku .sfa-loading-icon i{margin:0 7px}</style>
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<style type="text/css">.sf-edu-wenku{}.sf-edu-wenku .fc-uiwg-cguidetoastwg-root{height:25px;background:rgba(0,0,0,.7);border-radius:4px;color:#fff;font-size:14px;font-weight:400;line-height:25px;padding:0 7px;z-index:9999;text-align:left;position:absolute}.sf-edu-wenku .fc-uiwg-cguidetoastwg-root .trangle{position:absolute;top:-10px;width:0;height:0;border-left:5px solid transparent;border-top:5px solid transparent;border-right:5px solid transparent;border-bottom:5px solid rgba(0,0,0,.7)}</style>
<style type="text/css">.sf-edu-wenku{}.sf-edu-wenku .c-uiwg-ctoastwg-root{position:fixed;width:100%;height:16px;bottom:40px;z-index:99999999999;color:#fff;font-size:14px;text-align:center;display:none}.sf-edu-wenku .c-uiwg-ctoastwg-root span{background:rgba(0,0,0,.6);padding:12px 18px}</style>



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