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var(--line);justify-content:space-between;align-items:center;padding:10px 10px 10px 14px;font-size:.9rem;display:flex}.bell-list{max-height:min(420px,60vh);padding:4px;overflow-y:auto}.bell-item{border-radius:var(--r-sm);width:100%;color:var(--ink);text-align:left;background:0 0;border:0;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;padding:10px;display:grid}.bell-item:hover{background:var(--surface-2)}.bell-icon{border-radius:8px;place-items:center;width:30px;height:30px;display:inline-grid}.bell-text{gap:2px;min-width:0;display:grid}.bell-title{color:var(--ink-2);font-size:.87rem}.bell-item.is-unread .bell-title{color:var(--ink);font-weight:620}.bell-body{color:var(--ink-3);text-overflow:ellipsis;white-space:nowrap;font-size:.82rem;overflow:hidden}.bell-time{color:var(--ink-4);font-size:.75rem}.bell-dot{background:var(--accent);border-radius:50%;width:8px;height:8px;margin-top:6px}.bell-empty{color:var(--ink-3);text-align:center;justify-items:center;gap:4px;padding:28px 20px;font-size:.85rem;display:grid}.bell-empty strong{color:var(--ink)}.tone-accent{background:var(--accent-soft);color:var(--accent)}.tone-success{background:var(--green-soft);color:var(--green)}.tone-warning{background:var(--amber-soft);color:var(--amber)}.tone-danger{background:var(--red-soft);color:var(--red)}.tone-neutral{background:var(--surface-2);color:var(--ink-3)}@keyframes rise-in{0%{opacity:0;transform:translateY(-4px)scale(.98)}}.hero{isolation:isolate;padding:clamp(48px,8vw,96px) 0 clamp(64px,9vw,112px);position:relative;overflow:hidden}.hero-glow{z-index:-1;pointer-events:none;background:radial-gradient(60% 55% at 78% 10%,#6366f12e,#0000 70%),radial-gradient(45% 45% at 10% 0,#db277717,#0000 70%);position:absolute;inset:0}.hero-glow:after{content:"";background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);opacity:.55;background-size:56px 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dd{letter-spacing:-.03em;margin:0;font-size:1.6rem;font-weight:700}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.hero-preview{padding:24px 0 40px;position:relative}.preview-window{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-lg), 0 40px 80px -40px #4f46e559;transform-origin:0;overflow:hidden;transform:perspective(1600px)rotateY(-6deg)rotateX(2deg)}.preview-chrome{border-bottom:1px solid var(--line);background:var(--surface-2);gap:6px;padding:10px 14px;display:flex}.preview-chrome span{background:var(--line-strong);border-radius:50%;width:9px;height:9px}.preview-body{grid-template-columns:.9fr 1.1fr;min-height:300px;display:grid}.preview-sidebar{border-right:1px solid var(--line);padding:18px 16px}.preview-kicker{color:var(--accent);letter-spacing:.06em;text-transform:uppercase;margin:0 0 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10px;font-size:.72rem;font-weight:650;position:relative}.course-cover-mark{letter-spacing:-.06em;color:#ffffffeb;text-shadow:0 10px 30px #0000002e;font-size:clamp(4.5rem,9vw,6.5rem);font-weight:800;line-height:1;transition:transform .3s;position:absolute;top:50%;right:7%;translate:0 -55%}.course-cover-lg{aspect-ratio:auto;min-height:100%}.course-cover-lg .course-cover-mark{font-size:clamp(6rem,12vw,9rem)}.course-cover-sm{aspect-ratio:auto;justify-content:center;min-height:100%}.course-cover-sm .course-cover-topic{display:none}.course-cover-sm .course-cover-mark{font-size:3rem;right:50%;translate:50% -50%}.catalog-tools{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--shadow-sm);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:28px;padding:12px;display:flex}.catalog-search{flex:320px;max-width:460px;position:relative}.catalog-search 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68%);border-radius:50%;width:560px;height:560px;position:absolute;top:-240px;right:-180px}.teach-band h2{color:#fff;margin-bottom:14px}.teach-band .eyebrow{color:#a5b4fc}.teach-band p{color:#a1a1aa}.teach-list{z-index:1;gap:12px;margin:0;padding:0;list-style:none;display:grid;position:relative}.teach-list li{border-radius:var(--r);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#ffffff0a;border:1px solid #ffffff17;gap:14px;padding:16px 18px;transition:border-color .2s,background .2s;display:flex}.teach-list li:hover{background:#ffffff0f;border-color:#a5b4fc59}.teach-list strong{color:#fff;margin-bottom:2px;display:block}.teach-list span{color:#a1a1aa;font-size:.9rem}.teach-list svg{color:#a5b4fc;flex-shrink:0;margin-top:2px}.btn-light{color:#09090b;background:#fff;border-color:#fff}.btn-light:hover:not(:disabled){background:#e4e4e7;border-color:#e4e4e7}.btn-outline-light{color:#fff;box-shadow:none;background:0 0;border-color:#fff6}.btn-outline-light:hover:not(:disabled){background:#ffffff1a;border-color:#fff}.trust-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.trust-item{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);padding:24px}.trust-icon{background:var(--accent-soft);width:42px;height:42px;color:var(--accent);border-radius:11px;place-items:center;margin-bottom:16px;display:grid}.trust-item h3{margin-bottom:6px;font-size:1.02rem}.trust-item p{color:var(--ink-3);margin:0;font-size:.93rem}.faq{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,6vw,80px);display:grid}.faq details{border:1px solid var(--line);border-radius:var(--r);background:var(--paper);margin-bottom:10px;padding:0 20px;transition:border-color .15s,background .15s}.faq details[open]{border-color:var(--line-strong);background:var(--surface);box-shadow:var(--shadow-sm)}.faq summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;font-size:.98rem;font-weight:600;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";background:var(--surface-2);width:26px;height:26px;color:var(--ink-3);border-radius:50%;flex:none;place-items:center;font-size:1.1rem;font-weight:400;transition:transform .2s;display:grid}.faq details[open] summary:after{transform:rotate(45deg)}.faq details p{color:var(--ink-3);max-width:62ch;margin:0 0 18px}.cta-band{isolation:isolate;text-align:center;padding:clamp(48px, 7vw, 80px) var(--gutter);color:#fff;background:linear-gradient(120deg,#4338ca,#7e22ce 60%,#be185d);border-radius:24px;position:relative;overflow:hidden}.cta-band:before{content:"";z-index:-1;background-image:radial-gradient(#fff3 1px,#0000 1.2px);background-size:20px 20px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(#000,#0000 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p.muted{max-width:62ch;margin:0}.studio-actions{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:12px;margin-top:28px;padding-top:20px;display:flex}.studio-actions>:first-child{margin-right:auto}.save-state{color:var(--green);align-items:center;gap:5px;font-size:.82rem;font-weight:550;display:inline-flex}.save-state.is-dirty{color:var(--amber)}.dropzone{border:2px dashed var(--line-strong);border-radius:var(--r);background:var(--surface-2);text-align:center;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:10px;min-height:150px;padding:24px;transition:border-color .15s,background .15s,transform 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