.IssueSearch_issueSearch__Z_fdb{position:relative}.IssueSearch_issueSearch__Z_fdb .IssueSearch_searchInputInfo__eLIzW{display:flex}.IssueSearch_issueSearch__Z_fdb .IssueSearch_searchInputInfo__eLIzW .IssueSearch_searchIcon__trY4J{font-size:20px;position:absolute;top:20px;left:24px;color:#90959e}.IssueSearch_issueSearch__Z_fdb .IssueSearch_searchInputInfo__eLIzW .IssueSearch_deleteIcon__x2lK3{font-size:21px;position:absolute;top:20px;right:106px;color:#90959e;cursor:pointer}.IssueSearch_issueSearch__Z_fdb .IssueSearch_searchInputInfo__eLIzW .IssueSearch_searchButton__G8Oai{position:absolute;right:18px;top:9px;width:80px;height:41px;border-radius:21px;font-size:16px}.IssueSearch_issueSearch__Z_fdb .IssueSearch_searchInputInfo__searchInput__bo1xw{border-radius:31px;height:61px;width:600px;border:none;padding:0 59px;box-shadow:0 2px 39px 0 rgba(200,213,237,.27);font-size:16px}.IssueSearch_issueSearch__Z_fdb .IssueSearch_searchInputRadius__bFrvw{border-bottom-left-radius:0;border-bottom-right-radius:0;border-bottom:none}.IssueSearch_issueSearch__Z_fdb .IssueSearch_issueSearch__helpCenterContentWrap__xdJHd{left:0;overflow:hidden;padding:0 0 16px;position:absolute;right:0;top:60px;box-shadow:-16px 16px 16px -8px rgba(200,213,237,.5),16px 16px 16px -8px rgba(200,213,237,.5);border-top:none;border-bottom-left-radius:20px;border-bottom-right-radius:20px;z-index:4;background-color:#fff}.IssueSearch_issueSearch__Z_fdb .IssueSearch_issueSearch__helpCenterContentWrap__searchResult__T1RKp{border-top:none;overflow:hidden;position:relative;z-index:1}.IssueSearch_issueSearch__Z_fdb .IssueSearch_issueSearch__helpCenterContentWrap__searchResult__searchResultLine__YTXRl{background-color:#dee0e3;height:1px;left:16px;position:absolute;right:16px;top:0}.IssueSearch_issueSearch__Z_fdb .IssueSearch_issueSearch__helpCenterContentWrap__learnMore__JQMpl{font-family:PingFangSC-Regular;font-size:16px;color:#2483fa;font-weight:400;padding:16px 0 0 43px;position:relative}.IssueSearch_issueSearch__Z_fdb .IssueSearch_issueSearch__helpCenterContentWrap__learnMore__searchResultLine__fdG9T{background-color:#dee0e3;height:1px;left:16px;position:absolute;right:16px;top:0}.IssueSearch_issueSearch__Z_fdb .IssueSearch_issueSearch__helpCenterContentWrap__learnMore__JQMpl span{cursor:pointer}.IssueSearch_issueSearchIn__ZksGI{position:relative}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_searchInputInfo__eLIzW{display:flex}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_searchInputInfo__eLIzW .IssueSearch_searchIcon__trY4J{font-size:16px;position:absolute;top:12px;left:17px;color:#90959e}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_searchInputInfo__eLIzW .IssueSearch_deleteIcon__x2lK3{font-size:18px;position:absolute;top:11px;right:86px;color:#90959e;cursor:pointer}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_searchInputInfo__eLIzW .IssueSearch_searchButton__G8Oai{position:absolute;right:18px;top:7px;width:60px;height:25px;line-height:16px;border-radius:16px;font-size:14px}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_searchInputInfo__searchInput__bo1xw{border-radius:25px;height:38px;width:362px;padding:0 40px;border:1.4px solid #dfe0e3;font-size:16px}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_searchInputRadius__bFrvw{border-bottom-left-radius:0;border-bottom-right-radius:0;border-bottom:none}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_issueSearch__helpCenterContentWrap__xdJHd{left:0;overflow:hidden;padding:0 0 16px;position:absolute;right:0;top:38px;border:1.4px solid #dfe0e3;border-top:none;border-bottom-left-radius:20px;border-bottom-right-radius:20px;z-index:99;background-color:#fff}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_issueSearch__helpCenterContentWrap__searchResult__T1RKp{border-top:none;overflow:hidden;position:relative;z-index:1}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_issueSearch__helpCenterContentWrap__searchResult__searchResultLine__YTXRl{background-color:#dee0e3;height:1px;left:16px;position:absolute;right:16px;top:0}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_issueSearch__helpCenterContentWrap__learnMore__JQMpl{font-family:PingFangSC-Regular;font-size:16px;color:#2483fa;font-weight:400;padding:16px 0 0 43px;position:relative}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_issueSearch__helpCenterContentWrap__learnMore__searchResultLine__fdG9T{background-color:#dee0e3;height:1px;left:16px;position:absolute;right:16px;top:0}.IssueSearch_issueSearchIn__ZksGI .IssueSearch_issueSearch__helpCenterContentWrap__learnMore__JQMpl span{cursor:pointer}.IssueSearch_select__item__tCMV5{align-items:center;color:#000;cursor:pointer;display:flex;font-size:16px;font-weight:400;height:54px;line-height:24px;padding:0 43px;transition:all .3s;overflow:hidden;text-wrap:nowrap;text-overflow:ellipsis}.IssueSearch_select__item__tCMV5:hover{background:#f4f4f4;border-radius:2px}.Anchor_anchorInfo__0fa7I{width:auto;margin-left:0;margin-right:0;margin-top:0}.styles_helpCenterContent__Oiy24{position:relative;max-width:1280px;padding-left:40px;padding-right:40px;margin:50px auto 100px}.styles_helpCenterContent__classify__Zv2es{margin-bottom:40px}.styles_helpCenterContent__classify__hd__HyTIx{display:flex;height:28px;margin-bottom:30px;font-family:PingFangSC-Semibold;font-size:18px;color:#333;font-weight:600;position:relative}.styles_helpCenterContent__classify__Container__BLyYD{display:flex;justify-content:space-between;flex-wrap:wrap}.styles_helpCenterContent__classify__Container__ct__gzd0Y{background-color:#fff;border-radius:8px;box-shadow:0 2px 24px rgba(28,76,186,.08);cursor:pointer;display:flex;flex-direction:column;height:275px;transition:box-shadow .3s ease-in-out;width:375px;margin-bottom:38px}.styles_helpCenterContent__classify__Container__ct__title__uQNJ_{font-family:PingFangSC-Semibold;font-size:18px;color:#333;font-weight:600;margin:30px 30px 24px}.styles_helpCenterContent__classify__Container__ct__middle__2XyxQ{flex:1 1}.styles_helpCenterContent__classify__Container__ct__middle__subtitle__U_AeG{font-family:PingFangSC-Regular;font-size:16px;color:#464646;line-height:24px;font-weight:400;margin-bottom:8px;margin-left:30px;overflow:hidden;text-overflow:ellipsis;text-wrap:nowrap;white-space:nowrap;padding-right:30px}.styles_helpCenterContent__classify__Container__ct__middle__subtitle__U_AeG .styles_docTitle__GEGyf{transition:all .2s}.styles_helpCenterContent__classify__Container__ct__middle__subtitle__U_AeG .styles_docTitle__GEGyf:hover{color:#147ffa}.styles_helpCenterContent__classify__Container__ct__gzd0Y:hover{box-shadow:0 13px 39px 0 rgba(200,213,237,.47)}.styles_helpCenterContent__classify__Container__bt__yNiWd{border-top:1px solid #eff0f1;padding:13px 0 13px 40px;font-family:PingFangSC-Regular;font-size:16px;color:#147ffa;font-weight:400}.styles_helpCenterContent__classify__Container__BLyYD:after{content:"";width:375px}.styles_helpCenterContent__classify__expandButton__9Wad_{margin-left:45%;border:1px solid #1280fa;border-radius:25px;color:#1280fa;width:120px;height:40px;background-color:#fff;position:relative;padding-left:0;padding-right:15px}.styles_teacherbox__3KVjy{display:flex}.styles_teacherbox__item__tYCli{width:275px;height:400px;position:relative;overflow:hidden;border-radius:8px;margin:0 10px}.styles_teacherbox__item__imgwrap__Kc_Vy{position:absolute;top:0;width:100%;height:100%}.styles_teacherbox__item__imgwrap__Kc_Vy img{width:100%;height:100%}.styles_teacherbox__item__Info__xZ43A{height:170px;position:absolute;bottom:-80px;background:linear-gradient(180deg,transparent,#000);border-radius:0 0 4px 4px;color:#fff;font-size:14px;width:100%;transition:all .3s}.styles_teacherbox__item__Info__ht__8Lcj4{height:90px;padding:8px 15px 5px}.styles_teacherbox__item__Info__ht__8Lcj4 h2{margin-bottom:20px}.styles_teacherbox__item__Info__ht__8Lcj4 p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.styles_teacherbox__item__Info__bt__WIhqf{display:flex;height:60px;padding:18px 15px 15px;justify-content:space-between;align-items:center;background:rgba(0,0,0,.8)}.styles_teacherbox__item__tYCli:hover .styles_teacherbox__item__Info__xZ43A{bottom:-20px}.styles_line__p7BKD{background-image:linear-gradient(90deg,#147ffa 10%,rgba(45,219,253,0) 83%);border-radius:4px;width:31px;height:4px;position:absolute;bottom:0}.styles_anchorBox__7hEWW{position:fixed;top:100px;right:80px;bottom:auto;width:auto;margin-left:0;margin-right:0;margin-top:120px}.styles_downIcon__Ej9J8{transform:rotate(90deg)!important;right:18px}.styles_downIcon__Ej9J8,.styles_upIcon__Zi6M8{position:absolute;top:11px;font-size:14px!important}.styles_upIcon__Zi6M8{transform:rotate(-90deg)!important;right:33px}@media screen and (min-width:850px) and (max-width:1280px){.styles_helpCenterContent__Oiy24{width:850px}}.Index_container__5Ltsn{padding:0 2rem;background-image:linear-gradient(180deg,hsla(0,0%,100%,0),#fff 22%);width:100%;background-image:url(/helpcenter/_next/static/media/background1.4210d178.png);background-clip:padding-box;background-size:auto;background-repeat:repeat-x;background-attachment:local;background-position:0 0;background-blend-mode:normal;overflow:hidden}.Index_helpCenterMain__hd__KuTis{display:flex;flex-direction:column;align-items:center;position:relative;padding-top:88px}.Index_helpCenterMain__hd__KuTis h1{margin-bottom:30px;font-size:30px;color:#1f2329;line-height:38px;font-weight:700}.Index_main__2UEY1{min-height:100vh;padding:4rem 0;flex:1 1;display:flex;flex-direction:column;justify-content:center;align-items:center}.Index_description__1ENuL,.Index_title__d0ZSZ{text-align:center}.Index_title__d0ZSZ{margin:0;line-height:1.15;font-size:4rem}.Index_title__d0ZSZ a{color:#0070f3;text-decoration:none}.Index_title__d0ZSZ a:active,.Index_title__d0ZSZ a:focus,.Index_title__d0ZSZ a:hover{text-decoration:underline}.Index_footer__IuCRg{flex:1 1;padding:2rem 0;border-top:1px solid #eaeaea}.Index_footer__IuCRg,.Index_footer__IuCRg a{display:flex;justify-content:center;align-items:center}.Index_footer__IuCRg a{flex-grow:1}.Index_description__1ENuL{margin:4rem 0;line-height:1.5;font-size:1.5rem}.Index_code__HVHLA{background:#fafafa;border-radius:5px;padding:.75rem;font-size:1.1rem;font-family:Menlo,Monaco,Lucida Console,Liberation Mono,DejaVu Sans Mono,Bitstream Vera Sans Mono,Courier New,monospace}.Index_grid__JhSzS{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;max-width:800px}.Index_card__gt2_5{margin:1rem;padding:1.5rem;text-align:left;color:inherit;text-decoration:none;border:1px solid #eaeaea;border-radius:10px;transition:color .15s ease,border-color .15s ease;max-width:300px}.Index_card__gt2_5:active,.Index_card__gt2_5:focus,.Index_card__gt2_5:hover{color:#0070f3;border-color:#0070f3}.Index_card__gt2_5 h2{margin:0 0 1rem;font-size:1.5rem}.Index_card__gt2_5 p{margin:0;font-size:1.25rem;line-height:1.5}.Index_logo__f2wDf{height:1em;margin-left:.5rem}@media (max-width:600px){.Index_grid__JhSzS{width:100%;flex-direction:column}}@media (prefers-color-scheme:dark){.Index_card__gt2_5,.Index_footer__IuCRg{border-color:#222}.Index_code__HVHLA{background:#111}.Index_logo__f2wDf img{filter:invert(1)}}