/* Base layout, type, sidebar and TOC are copied unchanged from theme A. */
.local-status{font:10px var(--mono);letter-spacing:.08em;color:var(--faint);margin-right:auto}.side-nav a.current{border-left-color:var(--cyan);background:var(--cyan-dim)}
.hero-photo img{filter:none;object-fit:cover}.hero-photo .photo-label{top:auto;bottom:17px;background:#0a1015dc;padding:7px 13px;font-size:10px}.hero-photo{background:#111920}.index-hero .intro{max-width:37em}.topic-meta{line-height:1.6}.course-intro-strip p{max-width:75ch}.source-map{margin:0 0 50px;padding:24px;border:1px solid var(--line);border-radius:6px;background:#10191f}.source-map h2{font-size:19px;margin-bottom:10px}.source-map p{font-size:13px;color:var(--muted);margin:6px 0}.source-map a{font-size:12px}.article .source{font-size:12px;display:inline-block;margin-left:7px}.article .note{padding:19px 23px;background:#201e18;border:1px solid #514735;border-left:3px solid #c8a868;border-radius:5px;color:#d2c4aa;font-size:14px;line-height:1.85;margin:25px 0}.article figure{margin:29px 0 36px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#10191f}.article figure img{display:block;width:100%;height:auto;cursor:zoom-in}.article figcaption{font-size:12px;padding:14px 18px;color:var(--muted);border-top:1px solid var(--line);line-height:1.7}.article figcaption span{display:block;color:var(--faint);font-size:10px;padding-top:4px}.figure-heading{padding:20px 24px;display:flex;justify-content:space-between;align-items:baseline;gap:20px;border-bottom:1px solid var(--line)}.figure-heading>span{font:10px var(--mono);color:var(--cyan);letter-spacing:.11em}.figure-heading>strong{font-size:19px;font-weight:600}.figure-key{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;border-top:1px solid var(--line);background:#122028}.figure-key>span{padding:14px 10px;text-align:center;font-size:12px;color:#bfd9dc;border-right:1px solid var(--line)}.figure-key>span:last-child{border:0}.module-map{display:grid;grid-template-columns:1fr 1fr;margin:25px 0;border-top:1px solid var(--line);border-left:1px solid var(--line)}.module-map>div{padding:22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#0f1b22}.module-map span{font:26px var(--mono);color:var(--cyan);display:block;margin-bottom:15px}.module-map strong{font-size:18px}.module-map p{font-size:13px!important;margin:5px 0 0!important;color:var(--muted)!important}.article table{width:100%;}.checklist{border:1px solid var(--line);background:#101a21;padding:8px 20px;border-radius:6px;margin:20px 0}.checklist label{display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px;cursor:pointer}.checklist label:last-child{border:0}.checklist input{accent-color:var(--cyan);margin-top:6px;width:16px;height:16px;flex:none}.checklist label:has(input:checked) span{text-decoration:line-through;color:var(--faint)}.template{border:1px solid #365359;background:#101e26;padding:22px;border-radius:6px;margin:27px 0}.template-head{display:flex;align-items:center;justify-content:space-between;gap:15px}.copy-button{padding:6px 11px;background:#17343b;border:1px solid #466a70;border-radius:4px;color:var(--cyan);font-size:12px;cursor:pointer}.article .template pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.9 var(--sans);border:0;background:transparent;padding:12px 0;color:#cedfdf}.article .template p{font-size:12px;margin:0}.image-dialog{border:1px solid var(--line);border-radius:8px;background:#0b141b;color:var(--ink);padding:50px 10px 10px;width:min(1500px,96vw);max-width:96vw;max-height:95dvh;overflow:auto}.image-dialog::backdrop{background:#000d}.image-dialog img{width:100%;height:auto}.close-dialog{position:absolute;right:12px;top:10px;padding:5px 13px;border:1px solid var(--line);background:#132630;color:var(--ink);border-radius:4px;cursor:pointer}.image-dialog p{font-size:12px;margin:14px}.toast{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);padding:12px 20px;background:#17333b;color:var(--ink);border:1px solid #41656a;border-radius:5px;z-index:90;max-width:90vw;font-size:13px}.toast:empty{display:none}.source-tail ul{font-size:12px;line-height:1.9;padding-left:17px}.source-tail li{margin:5px 0}.full-reader-tail{max-width:920px}.table-wrap{overflow:auto}.article .lesson-section:first-child h2{margin-top:0}.article .lesson-section:not(:first-child) h2{margin-top:65px}.article .editorial-figure{background:#0a131a}.article .editorial-figure img{aspect-ratio:16/9;object-fit:contain;background:#0a1015}.article .lesson-section>p:last-child{margin-bottom:20px}.catalog{padding-bottom:30px}.source-file{overflow-wrap:anywhere}
@media(max-width:620px){.local-status{display:none}.figure-heading{align-items:flex-start;flex-direction:column;gap:8px;padding:16px}.figure-heading>strong{font-size:17px}.figure-key{grid-auto-flow:row;grid-template-columns:1fr 1fr}.figure-key>span{font-size:11px;border-bottom:1px solid var(--line)}.module-map>div{padding:17px}.module-map strong{font-size:16px}.article .note{padding:16px;font-size:13px}.source-map{padding:19px}.article .template{padding:17px}.article .template pre{font-size:13px}.theme-top-links{gap:8px}.topic-group .group-label h2{font-size:23px}.full-article h2,.full-article h3{scroll-margin-top:185px}.top-lesson-toc{margin-bottom:0}.course-breadcrumb{white-space:normal;flex-wrap:wrap}.course-breadcrumb span:last-child{max-width:none}.hero-photo img{object-fit:cover}.hero-photo{min-height:210px}.index-hero h1{font-size:44px}.figure-key>span:nth-child(2n){border-right:0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.full-article h2,.full-article h3,.full-article h4{scroll-margin-top:150px}@media(max-width:620px){.full-article h2,.full-article h3,.full-article h4{scroll-margin-top:210px}}