:root{--ink:#17201d;--muted:#65716c;--paper:#fbfaf6;--line:#ddd7c8;--panel:#ffffff;--teal:#0f766e;--amber:#b45309;--blue:#2563eb;--rose:#be123c;--charcoal:#24302b;--shadow:0 18px 50px rgba(36,48,43,.12)}
*{box-sizing:border-box}body{margin:0;font-family:Georgia,'Times New Roman','PingFang SC','Hiragino Sans GB',serif;background:var(--paper);color:var(--ink);line-height:1.65}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:20;background:rgba(251,250,246,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav{max-width:1180px;margin:auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:grid;grid-template-columns:36px minmax(0,1fr);grid-template-rows:auto auto;column-gap:10px;row-gap:2px;align-items:end;font-weight:800;letter-spacing:.02em;min-width:0}.brand-icon{grid-column:1;grid-row:1/3;width:36px;height:36px;border-radius:9px;align-self:end}.brand-text{display:contents}.brand-title{grid-column:2;grid-row:1;display:block;line-height:1.1;align-self:end}.brand small{grid-column:2;grid-row:2;display:block;font:12px 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var(--line);background:#fff;border-radius:8px;padding:14px;box-shadow:0 12px 28px rgba(36,48,43,.07)}.search{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font:14px ui-monospace,SFMono-Regular,Menlo,monospace}.filters{display:grid;gap:8px;margin-top:12px}.filter{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:8px;background:#fbfaf6;padding:8px 10px;cursor:pointer;font-size:13px}.filter.active{border-color:var(--charcoal);background:#edf7f4}.section-title{font:800 13px ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:var(--muted);margin:22px 0 10px}.toc{display:grid;gap:7px;max-height:48vh;overflow:auto;padding-right:4px}.toc a{display:flex;gap:8px;align-items:center;padding:7px 8px;border-radius:7px;color:#35403b;font-size:13px}.toc a:hover,.toc a.active{background:#f1eee5}.dot{width:8px;height:8px;border-radius:50%;background:var(--teal);flex:0 0 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var(--line);border-radius:8px;color:var(--muted)}.study-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:18px 0}.study-step{border:1px solid var(--line);background:#fff;border-radius:8px;padding:10px}.study-step b{display:block;font:900 16px ui-monospace,SFMono-Regular,Menlo,monospace}.study-step span{font-size:12px;color:var(--muted)}@media(max-width:880px){.hero{grid-template-columns:1fr;padding-top:28px}.hero-side-copy{padding-top:0}.hero-side-copy h2{font-size:clamp(30px,10vw,48px)}.layout{grid-template-columns:1fr}.sidebar{position:relative;top:auto}.cards{grid-template-columns:1fr}.study-strip{grid-template-columns:1fr 1fr}.article-shell{padding:18px}.nav{align-items:flex-start}.nav-actions{flex-wrap:wrap;justify-content:flex-end}}@media print{.topbar,.sidebar,.day-nav{display:none}.layout,.hero,.article{display:block;padding:0}.article-shell,.day-card{box-shadow:none;border:0}body{background:#fff}}

.site-link{gap:6px;padding:7px 10px}.site-icon{width:12px;height:12px;flex:0 0 12px;border-radius:3px;object-fit:cover}.site-footer{width:calc(100% - 40px);max-width:1180px;margin:32px auto 0;padding:42px 20px 40px;border-top:1px solid var(--line);text-align:center;color:#303735;clear:both}.site-footer p{margin-left:auto;margin-right:auto}.footer-slogan{margin-top:0;margin-bottom:16px;font-size:20px;font-weight:800}.footer-credit{margin-top:0;margin-bottom:0;font-size:18px;font-weight:900}.footer-credit a{color:inherit}.footer-credit a:hover{text-decoration:underline;text-underline-offset:4px}.footer-sep{display:inline-block;margin:0 10px;color:#9a9a9a}.footer-powered{margin-top:22px;margin-bottom:0;font:700 15px ui-monospace,SFMono-Regular,Menlo,monospace;color:#747474}@media(max-width:640px){.site-footer{width:calc(100% - 28px);padding:34px 14px 32px}.footer-slogan{font-size:18px}.footer-credit{font-size:15px}.footer-sep{display:block;margin:8px 0}.footer-powered{font-size:13px}}@media print{.site-footer{display:none}}