body{padding:0;margin:0}body,div{box-sizing:border-box}.pdf-view .error-box{height:calc(100vh - 40px);max-width:unset;margin:unset;-ms-flex-align:center;align-items:center}.pdf-view,.pdf-view .error-box{display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column}.pdf-view{font-family:PingFang SC;width:100%;height:100%;margin:0 auto;background:#363636;overflow:hidden;box-sizing:border-box}.content-container .main-container .pdf-view{transform:translate(0)}.pdf-view .page-tool-observer-target{background:#414141}.t-watermark{height:100%;-ms-flex-align:center;align-items:center}.pdf-content,.t-watermark{display:-ms-flexbox;display:flex}.pdf-content{height:calc(100vh - 44px);background:#414141;padding-top:44px}.pdf-content.fullscreen-mode{display:-ms-flexbox;display:flex;height:calc(100vh - 48px)}.thumbnail-container{width:304px;top:104px;height:100%;overflow-y:auto;padding:20px 40px 40px;border-right:.5px solid #5f5f5f;background:#363636;z-index:99}.thumbnail-list{margin-bottom:12px}.thumbnail{margin-bottom:10px;cursor:pointer;border:6px solid transparent;border-radius:4px;transition:border-color .3s ease}.thumbnail-pageCount{color:#fff;text-align:center}.react-pdf__Thumbnail:hover .react-pdf__Thumbnail__page{border-color:#0056b3}.thumbnail-list.active .react-pdf__Thumbnail__page{transition:border-color .2s ease,box-shadow .2s ease}.react-pdf__Thumbnail.active .react-pdf__Thumbnail__page,.thumbnail-list.active .react-pdf__Thumbnail__page{border-color:#007bff!important;box-shadow:0 0 0 2px rgba(0,123,255,.5)}.react-pdf__Thumbnail__page{border:6px solid transparent;border-radius:4px}.react-pdf__Thumbnail__page,.react-pdf__Thumbnail__page__placeholder{background-color:transparent!important}.container-pdf{-ms-flex:1;flex:1;width:calc(100% - 304px);height:100%;overflow-y:auto;box-sizing:border-box;padding:20px;display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;-ms-flex-align:center;align-items:center}.pdf-view.css-fullscreen,.pdf-view.ios-fullscreen{position:fixed!important;top:0!important;left:0!important;width:100vw!important;height:100vh!important;z-index:9999!important;background:#fff!important}.pdf-view.css-fullscreen .pdf-content,.pdf-view.ios-fullscreen .pdf-content{height:100vh!important}.pdf-view.css-fullscreen .container-pdf,.pdf-view.ios-fullscreen .container-pdf{height:calc(100vh - 55px)!important}.container-pdf.fullscreen-mode{min-height:calc(100vh - 48px);height:calc(100vh - 48px)}.react-pdf__Page__canvas{padding:20px;transform-origin:unset}.react-pdf__Document{margin:auto}.react-pdf__Document .t-watermark{display:block}.page-tool{width:100%;height:48px;padding:0 24px;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;-ms-flex-pack:justify;justify-content:space-between;background:#363636;color:#fff;-webkit-user-select:none;-ms-user-select:none;user-select:none;position:relative;z-index:999;border-bottom:1px solid #5f5f5f}.page-tool.page-tool-fixed{position:fixed;top:60px;left:0;right:0;width:100%;z-index:1000;background:#363636;box-shadow:0 2px 8px rgba(0,0,0,.1)}.page-tool.fullscreen-mode.page-tool-fixed{top:0}.pdf-content.fullscreen-mode{position:relative;top:44px}.page-tool-left{height:100%;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;overflow:hidden;color:#fff;text-overflow:ellipsis;font-family:PingFang SC;font-size:16px;font-style:normal;font-weight:600;line-height:normal;margin-right:20px}.page-tool-left .input{width:90px;padding:8px 0;margin-right:24px}.page-tool-left .page-pdf-expand{margin-right:18px;padding:6px}.page-tool-left .page-pdf-expand .page-pdf-expand-icon{background:url(https://staticintl.tencentcloudcs.com/edu/images/page/intl/thumbnail-expand.svg) no-repeat;width:20px;height:20px;display:block;cursor:pointer}.page-tool-left .page-pdf-expand.active{border-radius:3px;background:hsla(0,0%,90.6%,.10196078431372549)}.page-tool-left .page-pdf-name{max-width:1000px;padding:0 24px}.page-tool-left .page-pdf-name .page-pdf-name-ipad{text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.page-tool-right{padding:8px 0;height:100%;-ms-flex-pack:center;justify-content:center}.page-tool-item,.page-tool-right{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}.page-tool-item{min-width:20px;height:24px;cursor:pointer;background-size:100% 100%!important;margin-right:16px;color:#fff;font-size:16px;font-weight:600}.page-tool-left .line,.page-tool-right .line{background:#5f5f5f;width:1px;height:20px}.page-tool-right .zoom-auto{width:70px;padding:5px 10px;border-radius:3px;height:28px;background:#525252;color:#fff;font-size:12px;font-weight:400;margin-right:24px}.page-tool-right .zoom-auto,.page-tool-right .zoom-scale{font-family:PingFang SC;font-style:normal;line-height:normal}.page-tool-right .zoom-scale{display:-ms-flexbox;display:flex;-ms-flex-pack:center;justify-content:center;width:40px;margin-right:16px;font-size:16px}.page-tool-right .full-screen{margin-left:24px}.page-tool-item .prev-span{margin-left:4px}.page-tool-item .next-span{margin-right:4px}.page-tool-item.full-screen{background:url(https://staticintl.tencentcloudcs.com/edu/images/page/intl/full-screen.svg) no-repeat;width:20px;height:20px}.page-tool-item .prev{width:24px;height:24px;background:url(https://qcintl-cache-1258344699.cos.ap-singapore.myqcloud.com/edu/images/page/intl/prev.svg) no-repeat}.page-tool-item .next{width:24px;height:24px;background:url(https://staticintl.tencentcloudcs.com/edu/images/page/intl/next.svg) no-repeat}.page-tool-item.zoom-in{background:url(https://staticintl.tencentcloudcs.com/edu/images/page/intl/zoom-in.svg) no-repeat;width:20px;height:20px}.page-tool-item.zoom-out{background:url(https://staticintl.tencentcloudcs.com/edu/images/page/intl/zoom-out.svg) no-repeat;width:20px;height:20px}.page-tool-right .page-tool-item.download{width:60px;height:28px;border-radius:3px;background:#e7e7e7;padding:4px 8px;color:rgba(0,0,0,.9019607843137255);text-align:center;font-family:PingFang SC;font-size:12px;font-style:normal;font-weight:400;line-height:20px}.page-tool-right .page-tool-item.download.disabled{cursor:not-allowed}.page-tool-right .page-tool-item.download .download-icon{width:14px;height:14px;background:url(images/download.svg) no-repeat;margin-right:4px}.page-tool-item:last-child{margin-right:0}.input{height:100%;padding:0 32px;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}.input span{width:40px;color:hsla(0,0%,100%,.7019607843137254)}.input input,.input span{font-family:PingFang SC;font-size:16px;font-style:normal;font-weight:600;line-height:normal}.input input{text-align:end!important;padding:0 4px!important;height:28px;border-radius:3px!important;display:inline-block;width:48px;text-align:center;margin-right:10px;color:#fff;background:#525252;border:none}.input input::-webkit-inner-spin-button,.input input::-webkit-outer-spin-button{-webkit-appearance:none}.input input[type=number]{-moz-appearance:textfield}.react-pdf__Page{background-color:transparent!important;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}.pdf-page-container{margin-bottom:20px}.pdf-page-container:last-child{margin-bottom:0}.react-pdf__Document{width:-webkit-fit-content;width:-moz-fit-content;width:fit-content}.react-pdf__message{color:#fff}.thumbnail-container .react-pdf__message{visibility:hidden}@media screen and (max-width:1440px) and (min-width:769px){.page-tool-left .page-pdf-name{max-width:300px}.thumbnail-container{padding:20px;min-width:224px}.page-tool-left .page-pdf-name .page-pdf-name-ipad{max-width:300px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap}}@media screen and (max-width:1024px) and (min-width:769px){.page-tool-item{margin-right:16px}.page-tool-item.next,.page-tool-item.prev{display:none}.container-pdf .react-pdf__Page{margin-bottom:20px}.thumbnail-container{min-height:664px}}@media screen and (max-width:768px){.container-pdf{padding:20px}.thumbnail-container{display:none}.pdf-content{min-height:calc(100vh - 525px);padding-top:0}.pdf-content.fullscreen-mode{top:0;height:100%!important}.page-tool{-ms-flex-pack:end;justify-content:flex-end;padding:0}.mobile-pdf-tool{padding:0 16px;display:-ms-flexbox;display:flex;-ms-flex-pack:justify;justify-content:space-between;-ms-flex-align:center;align-items:center;background:#414141;position:relative!important}.mobile-pdf-tool .page-tool-item.full-screen{margin-left:0}.mobile-pdf-tool .input{padding:0 17px}.mobile-pdf-tool .input input{width:54px;height:24px!important;-ms-flex-negative:0;flex-shrink:0;border-radius:1px;border:none;background:#525252;box-shadow:none}.mobile-pdf-tool .page-tool-right .page-tool-item.download{color:#fff;background:none;text-align:center;font-family:PingFang SC;font-size:16px;font-style:normal;font-weight:600;line-height:24px}.mobile-pdf-tool .page-tool-right .page-tool-item.download .download-icon{background:url(images/mobile-download.svg) no-repeat;width:20px;height:20px;background-size:contain;margin-right:4px}.page-tool.page-tool-fixed{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;background:#333639;box-shadow:0 2px 8px rgba(0,0,0,.1)}.page-tool-left{display:none;margin-right:0}.page-tool-item{margin-right:14px}.page-tool-item.next,.page-tool-item.prev{display:none}.mobile-pdf-tool .page-tool-item.full-screen,.mobile-pdf-tool .page-tool-item.zoom-in,.mobile-pdf-tool .page-tool-item.zoom-out{width:20px;height:20px}.react-pdf__Page{margin-bottom:20px}.react-pdf__Page__canvas{padding:0}}*{scrollbar-width:thin;scrollbar-color:#888 #f1f1f1}.pure-preview-page{background:#fff}.pure-preview-page .pdf-content.fullscreen-mode{height:100%!important;padding:0}.pure-preview-page .J-header .c-nav-mod-pc .c-nav-bottom,.pure-preview-page .page-tool{position:fixed!important}.pure-preview-page .page-tool.page-tool-fixed{position:fixed;top:55px;left:0;right:0;width:100%;z-index:1000;background:#333639;box-shadow:0 2px 8px rgba(0,0,0,.1)}@media screen and (max-width:768px){.pure-preview-page .pdf-view .page-tool.mobile-pdf-tool{position:relative!important}.pure-preview-page .pdf-view .pdf-content{height:calc(100vh - 104px)!important}.pure-preview-page .pdf-view .pdf-content.fullscreen-mode{height:100%!important}}#FEFLOW{content:wxg202512091119}