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42px;display:flex;position:relative;overflow:hidden}.eyebrow{color:#5270d6;letter-spacing:.6px;align-items:center;gap:7px;display:flex}.spark{font-size:15px}.hero h1{letter-spacing:-2px;margin:17px 0 12px;font-size:43px;font-weight:780;line-height:1.06}.hero h1 em{color:var(--blue);font-style:normal}.hero p{color:#61708b;margin:0;font-size:15px;line-height:1.55}.hero-meta{color:#7a89a3;align-items:center;gap:7px;margin-top:27px;font-size:11px;display:flex}.online-dot{background:#43c890;border-radius:50%;width:7px;height:7px}.meta-separator{background:#aab4c4;border-radius:50%;width:3px;height:3px;margin:0 3px}.hero-art{align-self:stretch;width:275px;position:relative}.art-orb{border-radius:50%;position:absolute}.orb-one{opacity:.85;background:#6f8cff;width:182px;height:182px;top:-20px;right:7px}.orb-two{background:#bed0ff;width:93px;height:93px;bottom:-30px;right:143px}.art-note{background:#fff;border-radius:6px;width:141px;height:170px;padding:30px 21px;position:absolute;top:27px;right:55px;transform:rotate(7deg);box-shadow:0 15px 28px #3858b533}.note-line{background:#dde5fb;border-radius:5px;width:77px;height:6px;margin-top:10px;display:block}.note-line.wide{background:#7892f3;width:98px;height:8px;margin-top:0}.note-line.short{width:51px}.note-check{color:#31a875;background:#dff6eb;border-radius:50%;place-items:center;width:25px;height:25px;font-size:13px;display:grid;position:absolute;bottom:21px;right:15px}.art-tag{color:#fff;letter-spacing:1px;background:#1b2f91;border-radius:5px;padding:8px 10px;font-size:9px;position:absolute;bottom:8px;right:0;transform:rotate(-4deg)}.art-tag b{color:#aebeff;margin-left:4px}.stats-row{grid-template-columns:repeat(3,1fr) 1.35fr;gap:12px;margin:20px 0 39px;display:grid}.stat-card,.quick-card{border:1px solid var(--line);background:#fff;border-radius:13px;align-items:center;gap:12px;min-height:90px;padding:16px;display:flex}.stat-icon{border-radius:10px;place-items:center;width:36px;height:36px;display:grid}.blue-bg{color:var(--blue);background:#eaf0ff}.lilac-bg{color:#8b65d9;background:#f1eaff}.mint-bg{color:#34ad79;background:#e0f6ed}.stat-card small,.stat-card strong,.stat-card span{display:block}.stat-card small{color:#8490a5;font-size:10px}.stat-card strong{margin:3px 0;font-size:25px;line-height:1.2}.stat-card span{font-size:9px}.stat-up{color:#25ac76}.stat-muted{color:#99a3b3}.quick-card{color:#fff;cursor:pointer;background:#1f347f;border-color:#1f347f;gap:12px}.quick-card>svg{color:#b7c6ff;margin-left:auto}.quick-plus{color:#c8d4ff;border:1px solid #7185c7;border-radius:50%;place-items:center;width:35px;height:35px;display:grid}.quick-card strong,.quick-card small{display:block}.quick-card strong{font-size:12px}.quick-card small{color:#bac7ed;margin-top:4px;font-size:10px}.section-head{justify-content:space-between;align-items:end;margin-bottom:17px;display:flex}.section-kicker{color:#9aa6b7;margin-bottom:7px}.section-head h2{letter-spacing:-.7px;margin:0;font-size:23px}.view-all{color:var(--blue);background:0 0;border:0;align-items:center;gap:7px;font-size:11px;font-weight:700;display:flex}.toolbar{gap:10px;margin-bottom:13px;display:flex}.search-box{border:1px solid var(--line);color:#98a4b7;background:#fff;border-radius:9px;flex:1;align-items:center;gap:9px;height:39px;padding:0 12px;display:flex}.search-box input{width:100%;color:var(--ink);background:0 0;border:0;outline:0;font-size:11px}.search-box input::placeholder{color:#a0aabb}.toolbar select,.filter-btn{border:1px solid var(--line);color:#65738a;background:#fff;border-radius:9px;outline:none;height:39px;padding:0 12px;font-size:11px}.filter-btn span{color:#9da8b9;margin-left:14px}.lecture-list{gap:10px;display:grid}.lecture-card{border:1px solid var(--line);background:#fff;border-radius:13px;min-height:142px;transition:transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.lecture-card:hover{transform:translateY(-2px);box-shadow:0 9px 24px #263b7110}.lecture-accent{flex:none;width:5px}.lecture-accent.blue{background:#6685f7}.lecture-accent.mint{background:#54c796}.lecture-accent.lilac{background:#aa89e8}.lecture-main{flex:1;padding:17px 20px 15px}.lecture-top{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.subject-pill{border-radius:5px;padding:5px 8px;font-size:9px;font-weight:750}.subject-pill.blue{color:#4f6fe2;background:#e8eeff}.subject-pill.mint{color:#35a879;background:#e3f7ee}.subject-pill.lilac{color:#8b65d9;background:#f1eaff}.lecture-date{color:#95a0b0;font-size:10px}.lecture-card h3{letter-spacing:-.25px;margin:0 0 6px;font-size:16px}.lecture-card p{color:#75839a;margin:0;font-size:11px}.lecture-foot{color:#8c98a9;gap:18px;margin-top:18px;font-size:10px;display:flex}.lecture-foot span{align-items:center;gap:5px;display:flex}.lecture-kind{color:#bac1cc;margin-left:auto}.open-lecture{border:0;border-left:1px solid var(--line);color:#6680eb;background:#f8faff;place-items:center;width:57px;display:grid}.empty-state{text-align:center;border:1px dashed var(--line);color:#8995a9;background:#fff;border-radius:12px;padding:30px;font-size:12px}.bottom-note{color:#8490a4;align-items:center;gap:10px;margin-top:25px;padding:15px 3px;font-size:10px;display:flex}.bottom-note b{color:#53627b}.note-badge{color:#e1aa35;background:#fff2cf;border-radius:7px;place-items:center;width:25px;height:25px;display:grid}.bottom-note button{color:var(--blue);background:0 0;border:0;align-items:center;gap:5px;margin-left:auto;font-size:10px;display:flex}.modal-backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:10;background:#15234766;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.login-modal{background:#fff;border-radius:18px;width:min(390px,100%);padding:31px;position:relative;box-shadow:0 20px 60px #18265133}.modal-close{color:#a5afbe;background:0 0;border:0;font-size:24px;position:absolute;top:14px;right:18px}.modal-lock{width:43px;height:43px;color:var(--blue);background:#eaf0ff;border-radius:12px;place-items:center;display:grid}.login-modal h2{margin:18px 0 7px;font-size:24px}.login-modal>p{color:#78869c;margin:0 0 23px;font-size:12px}.login-modal label{color:#68758d;margin-top:14px;font-size:11px;font-weight:650;display:block}.login-modal input{border:1px solid var(--line);border-radius:9px;outline:none;width:100%;height:42px;margin-top:7px;padding:0 12px;font-size:12px;display:block}.login-modal input:focus{border-color:#7e98f3;box-shadow:0 0 0 3px #dce5ff}.modal-submit{background:var(--blue);color:#fff;border:0;border-radius:9px;justify-content:center;align-items:center;gap:8px;width:100%;height:43px;margin-top:22px;font-size:12px;font-weight:700;display:flex}@media (max-width:900px){.sidebar{width:215px}.stats-row{grid-template-columns:repeat(2,1fr)}.quick-card{grid-column:span 2}.hero-art{opacity:.6;width:220px}.hero{padding-left:28px}.content-wrap{padding-left:28px;padding-right:28px}}@media (max-width:680px){.portal-shell{display:block}.sidebar{border-right:0;border-bottom:1px solid var(--line);width:100%;height:auto;padding:18px 18px 12px}.brand{padding:0 4px 16px}.group-label,.group-name{display:none}.main-nav{margin:0 -5px;display:flex;overflow:auto}.nav-item{white-space:nowrap;padding:9px 11px}.nav-count,.sidebar-bottom{display:none}.topbar{height:62px;padding:0 18px}.top-actions .icon-btn,.top-divider{display:none}.content-wrap{padding:22px 16px 35px}.hero{min-height:255px;padding:25px 22px}.hero h1{font-size:35px}.hero p br{display:none}.hero-art{opacity:.42;position:absolute;bottom:-30px;right:-35px}.hero-meta{z-index:1;flex-wrap:wrap;max-width:220px;font-size:9px;position:relative}.stats-row{grid-template-columns:1fr 1fr;gap:8px;margin:14px 0 30px}.stat-card{gap:8px;padding:12px 10px}.stat-card strong{font-size:21px}.stat-card small{font-size:9px}.stat-card span{font-size:8px}.quick-card{grid-column:span 2;min-height:72px}.section-head h2{font-size:21px}.toolbar{flex-wrap:wrap}.search-box{flex-basis:100%}.toolbar select,.filter-btn{flex:1}.lecture-top{display:block}.lecture-date{margin-top:7px;display:block}.lecture-main{padding:15px}.lecture-card h3{font-size:14px}.lecture-foot{flex-wrap:wrap;gap:10px}.lecture-kind{display:none}.open-lecture{width:45px}.bottom-note{align-items:flex-start;line-height:1.5}.bottom-note button{display:none}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 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--tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}