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format("truetype")}.iconfont{font-family:iconfont!important;font-size:16px;font-style:normal;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.icon-icon-xiala:before{content:""}.icon-close:before{content:""}.icon-fullscreen:before{content:""}.icon-speed:before{content:""}.icon-mute:before{content:""}.icon-play:before{content:""}.icon-pause:before{content:""}.icon-unmute:before{content:""}.icon-icon-tips:before{content:""}.icon-icon-fold:before{content:""}.icon-icon-12:before{content:""}.icon-adduser:before{content:""}.icon-upvideo:before{content:""}.icon-onlinelesson:before{content:""}.icon-department:before{content:""}.icon-icon-drag:before{content:""}.icon-icon-edit:before{content:""}.icon-icon-delete:before{content:""}.icon-icon-video:before{content:""}.icon-icon-home:before{content:""}.icon-icon-category:before{content:""}.icon-icon-file:before{content:""}.icon-icon-study:before{content:""}.icon-icon-user:before{content:""}.icon-icon-setting:before{content:""}.icon-icon-password:before{content:""}.icon-a-icon-logout:before{content:""}._login-content_1lu1d_1{--bg-deep: 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forwards;margin-top:-80px;z-index:2}._login-content_1lu1d_1 ._login-main-card_1lu1d_36{position:relative;width:min(1120px,100vw - 140px);height:min(620px,100vh - 150px);min-height:560px;border-radius:24px;border:1px solid rgba(195,224,255,.88);background:linear-gradient(150deg,rgba(255,255,255,.52) 0%,var(--panel-blue) 100%);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);display:flex;overflow:hidden;transform-style:preserve-3d;will-change:transform;cursor:default}._login-content_1lu1d_1 ._card-left_1lu1d_52{flex:1.18;padding:58px;display:flex;flex-direction:column;justify-content:space-between;background:radial-gradient(circle at 25% 18%,rgba(164,220,255,.3) 0%,transparent 42%),linear-gradient(145deg,var(--left-blue-start) 0%,var(--left-blue-end) 100%);border-right:1px solid rgba(194,224,255,.52);position:relative}._login-content_1lu1d_1 ._card-left_1lu1d_52 ._brand-box_1lu1d_62{max-width:420px}._login-content_1lu1d_1 ._card-left_1lu1d_52 ._brand-box_1lu1d_62 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._login-btn_1lu1d_164{height:54px;border-radius:14px;font-size:16px;font-weight:600;letter-spacing:.5px;margin-top:14px;border:none;background:linear-gradient(135deg,#79baff 0%,#5eabf5 50%,#3f93e7 100%)!important;box-shadow:0 12px 24px rgba(62,131,204,.3),inset 0 0 0 1px rgba(255,255,255,.35);transition:transform .28s ease,box-shadow .28s ease,filter .28s ease}._login-content_1lu1d_1 ._card-right_1lu1d_91 ._form-body_1lu1d_112 ._login-btn_1lu1d_164:hover{transform:translateY(-2px);filter:brightness(1.03);box-shadow:0 16px 28px rgba(62,131,204,.36),inset 0 0 0 1px rgba(255,255,255,.4);background:linear-gradient(135deg,#79baff 0%,#5eabf5 50%,#3f93e7 100%)!important}._login-content_1lu1d_1 ._card-right_1lu1d_91 ._form-body_1lu1d_112 ._login-btn_1lu1d_164:active{transform:translateY(0);filter:brightness(.99);background:linear-gradient(135deg,#79baff 0%,#5eabf5 50%,#3f93e7 100%)!important}@media (max-width: 1280px){._login-content_1lu1d_1 ._login-main-card_1lu1d_36{width:min(1040px,100vw - 90px);min-height:540px}._login-content_1lu1d_1 ._card-left_1lu1d_52{padding:46px 44px}._login-content_1lu1d_1 ._card-right_1lu1d_91{padding:58px 46px}}@media (max-width: 1024px){._login-content_1lu1d_1 ._login-main-card_1lu1d_36{width:min(900px,100vw - 40px);height:auto;min-height:0;flex-direction:column}._login-content_1lu1d_1 ._card-left_1lu1d_52{min-height:270px;gap:20px}._login-content_1lu1d_1 ._card-right_1lu1d_91{padding-top:46px}}@keyframes _fadeUp_1lu1d_1{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes _driftGlow_1lu1d_1{0%,to{transform:translateZ(0)}50%{transform:translate3d(-28px,18px,0)}}._app-header_gsis5_1{position:relative;width:100%;min-height:64px;background:linear-gradient(180deg,rgba(225,241,255,.98) 0%,rgba(203,226,248,.94) 100%);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(145,187,227,.5);box-shadow:0 10px 24px rgba(46,97,155,.1);box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:0 24px}._app-header_gsis5_1:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,rgba(128,205,255,.6) 0%,rgba(84,168,241,.52) 50%,rgba(128,205,255,.6) 100%)}._app-header_gsis5_1:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(170,210,246,0) 0%,rgba(134,189,237,.72) 50%,rgba(170,210,246,0) 100%)}._main-header_gsis5_34{width:100%;max-width:none;padding:0 12px;height:64px;line-height:64px;display:flex;align-items:center;justify-content:flex-start;margin:0 auto;background:transparent!important}._App-logo_gsis5_47{width:auto;height:56px;object-fit:contain;margin-left:0;filter:drop-shadow(0 4px 10px 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img{width:auto;height:50px;object-fit:contain;border-radius:6px}._app-header_7wrqq_1 ._navs_7wrqq_51{display:flex;align-items:center;gap:22px}._app-header_7wrqq_1 ._navs_7wrqq_51 ._nav-item_7wrqq_56{height:68px;font-size:15px;font-weight:500;color:var(--text-secondary);line-height:68px;position:relative;cursor:pointer;transition:color .2s ease}._app-header_7wrqq_1 ._navs_7wrqq_51 ._nav-item_7wrqq_56:hover{color:var(--brand)}._app-header_7wrqq_1 ._navs_7wrqq_51 ._nav-active-item_7wrqq_69{height:68px;font-size:15px;font-weight:700;line-height:68px;color:var(--brand);position:relative;cursor:pointer}._app-header_7wrqq_1 ._navs_7wrqq_51 ._nav-active-item_7wrqq_69:after{content:"";position:absolute;left:50%;bottom:14px;width:24px;height:3px;transform:translate(-50%);background:var(--brand);border-radius:999px}._app-header_7wrqq_1 ._center-zone_7wrqq_89{flex:1;display:flex;justify-content:center;padding:0 12px;min-width:0}._app-header_7wrqq_1 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