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color-mix(in srgb,var(--line) 80%,transparent);border-radius:50%;position:absolute}.orbit-one[data-astro-cid-6d6zbjud]{width:270px;height:270px;animation:22s linear infinite spin}.orbit-two[data-astro-cid-6d6zbjud]{width:360px;height:220px;animation:30s linear infinite spinReverse;transform:rotate(-22deg)}.orbit-one[data-astro-cid-6d6zbjud]:before,.orbit-two[data-astro-cid-6d6zbjud]:before{content:"";background:var(--power);width:8px;height:8px;box-shadow:0 0 18px color-mix(in srgb,var(--power) 65%,transparent);border-radius:50%;position:absolute;top:-4px;left:50%}.orbit-core[data-astro-cid-6d6zbjud]{z-index:2;text-align:center;border:1px solid var(--line);background:var(--surface);width:128px;height:128px;box-shadow:var(--shadow);border-radius:32px;place-content:center;display:grid}.orbit-core[data-astro-cid-6d6zbjud] strong[data-astro-cid-6d6zbjud]{color:var(--power);font:700 2.5rem/1 var(--display)}.orbit-core[data-astro-cid-6d6zbjud] small[data-astro-cid-6d6zbjud]{color:var(--muted);font:700 .56rem/1 var(--mono);letter-spacing:.12em;margin-top:8px}.orbit-node[data-astro-cid-6d6zbjud]{border:1px solid var(--line);background:var(--surface);width:44px;height:44px;font:750 .76rem/1 var(--mono);border-radius:13px;place-items:center;display:grid;position:absolute}.n1[data-astro-cid-6d6zbjud]{color:var(--control);top:24px;left:48%}.n2[data-astro-cid-6d6zbjud]{color:var(--control);top:38%;right:20px}.n3[data-astro-cid-6d6zbjud]{color:var(--sciml);bottom:16px;right:78px}.n4[data-astro-cid-6d6zbjud]{color:var(--power);bottom:30px;left:66px}.n5[data-astro-cid-6d6zbjud]{color:var(--optimization);top:35%;left:20px}.n6[data-astro-cid-6d6zbjud]{color:var(--rl);top:64px;right:52px}@keyframes spin{to{transform:rotate(360deg)}}@keyframes spinReverse{0%{transform:rotate(-22deg)}to{transform:rotate(-382deg)}}@media (width<=900px){.lecture-hero[data-astro-cid-6d6zbjud]{grid-template-columns:1fr}.lecture-orbit[data-astro-cid-6d6zbjud]{max-width:540px;min-height:320px}.orbit-two[data-astro-cid-6d6zbjud]{width:330px}}@media (prefers-reduced-motion:reduce){.orbit-ring[data-astro-cid-6d6zbjud]{animation:none}}.lecture-library[data-astro-cid-ovo3t76k]{padding:clamp(62px,8vw,104px) 0 clamp(92px,10vw,132px)}.library-head[data-astro-cid-ovo3t76k]{grid-template-columns:minmax(0,1fr) minmax(280px,.72fr);align-items:end;gap:clamp(30px,6vw,84px);display:grid}.library-head[data-astro-cid-ovo3t76k] h2[data-astro-cid-ovo3t76k]{margin-top:11px}.library-head[data-astro-cid-ovo3t76k]>p[data-astro-cid-ovo3t76k]{color:var(--muted);max-width:560px;margin:0}.domain-tabs[data-astro-cid-ovo3t76k]{border-block:1px solid var(--line);flex-wrap:wrap;gap:8px 20px;margin-top:42px;padding:15px 0;display:flex}.domain-tabs[data-astro-cid-ovo3t76k] button[data-astro-cid-ovo3t76k]{color:var(--muted);font:750 .65rem/1.2 var(--mono);letter-spacing:.055em;cursor:pointer;background:0 0;border:0;padding:7px 0}.domain-tabs[data-astro-cid-ovo3t76k] button[data-astro-cid-ovo3t76k]:hover,.domain-tabs[data-astro-cid-ovo3t76k] button[data-astro-cid-ovo3t76k]:focus-visible,.domain-tabs[data-astro-cid-ovo3t76k] button[data-astro-cid-ovo3t76k].is-active{color:var(--power);outline:none}.domain-tabs[data-astro-cid-ovo3t76k] button[data-astro-cid-ovo3t76k].is-active{text-underline-offset:6px;text-decoration:underline}.subject-strip[data-astro-cid-ovo3t76k]{flex-wrap:wrap;align-items:center;gap:7px 9px;min-height:58px;padding:12px 0 4px;display:flex}.subject-label{color:var(--power);font:800 .58rem/1 var(--mono);letter-spacing:.11em;margin-right:6px}.subject-strip[data-astro-cid-ovo3t76k] [data-subject]{border:1px solid var(--line);color:var(--muted);background:var(--surface);border-radius:999px;padding:5px 8px;font-size:.7rem}.domain-grid-notes[data-astro-cid-ovo3t76k]{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:28px;display:grid}.domain-note-card[data-astro-cid-ovo3t76k]{border:1px solid var(--line);background:linear-gradient(145deg,var(--surface),color-mix(in srgb,var(--surface-2) 42%,var(--surface)));border-radius:22px;min-height:290px;padding:26px;transition:opacity .35s,transform .35s,border-color .18s}.lecture-library[data-astro-cid-ovo3t76k].is-enhanced .domain-note-card[data-astro-cid-ovo3t76k]{opacity:.15;transform:translateY(8px)}.lecture-library[data-astro-cid-ovo3t76k].is-enhanced .domain-note-card[data-astro-cid-ovo3t76k].is-visible{opacity:1;transform:none}.domain-note-card[data-astro-cid-ovo3t76k][hidden]{display:none}.domain-note-card[data-astro-cid-ovo3t76k]:hover{border-color:color-mix(in srgb,var(--power) 55%,var(--line))}.domain-note-top[data-astro-cid-ovo3t76k]{color:var(--muted);font:750 .59rem/1 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i[data-astro-cid-ovo3t76k]{background:linear-gradient(90deg,var(--power),var(--control));transform-origin:0;width:110px;height:1px;animation:2.3s ease-in-out infinite signal}@keyframes signal{50%{opacity:.5;transform:scaleX(.45)}}@media (width<=800px){.library-head[data-astro-cid-ovo3t76k],.domain-grid-notes[data-astro-cid-ovo3t76k]{grid-template-columns:1fr}.domain-note-card[data-astro-cid-ovo3t76k]{min-height:0}.domain-tabs[data-astro-cid-ovo3t76k]{gap:7px 15px}}@media (prefers-reduced-motion:reduce){.domain-note-card[data-astro-cid-ovo3t76k]{opacity:1;transform:none}.empty-signal[data-astro-cid-ovo3t76k] i[data-astro-cid-ovo3t76k]{animation:none}}.lecture-notes-page[data-astro-cid-hanenndn]{overflow:clip}.site-footer-compact{padding-top:28px}.site-footer-compact .footer-bottom{margin-top:0}