/* Core lesson modules v1.0 (2026-10-16) — trauma bay, care chain, pelvic trauma */
.cc-core{--cc-teal:#0d5156;--cc-teal2:#2a8a8f;--cc-red:#a32129;--cc-ink:#172e32;--cc-muted:#4b6067;--cc-line:#d5e0e3;--cc-soft:#f1f7f7}
.cc-core h2{margin-bottom:8px}
.cc-lead{max-width:780px;color:var(--cc-muted);font-size:17px;margin:0 0 22px}
.cc-sub{margin:44px 0 16px;font-size:22px}
.cc-note{margin-top:22px;font-size:13px;color:var(--cc-muted)}
/* timeline */
.cc-timeline{list-style:none;margin:0 0 22px;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.cc-timeline li{position:relative;background:#fff;border:1px solid var(--cc-line);border-top:4px solid var(--cc-teal2);border-radius:12px;padding:12px 12px 14px}
.cc-timeline li:nth-child(4){border-top-color:var(--cc-red)}
.cc-timeline b{display:inline-block;font-size:12px;font-weight:800;color:#fff;background:var(--cc-teal);border-radius:999px;padding:2px 9px;margin-bottom:6px}
.cc-timeline strong{display:block;font-size:15px;color:var(--cc-ink);margin-bottom:4px}
.cc-timeline p{margin:0;font-size:13px;line-height:1.5;color:var(--cc-muted)}
/* chain */
.cc-chain{list-style:none;margin:0 0 22px;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:0;position:relative}
.cc-chain li{position:relative;text-align:center;padding:0 6px}
.cc-chain li::after{content:"";position:absolute;top:22px;left:calc(50% + 24px);right:calc(-50% + 24px);height:3px;background:linear-gradient(90deg,var(--cc-teal2),var(--cc-teal))}
.cc-chain li:last-child::after{display:none}
.cc-chain b{display:grid;place-items:center;width:46px;height:46px;margin:0 auto 8px;border-radius:50%;background:var(--cc-teal);color:#fff;font-size:18px;box-shadow:0 0 0 5px #e3f0f1}
.cc-chain li:nth-child(4) b{background:var(--cc-red);box-shadow:0 0 0 5px #f7e3e4}
.cc-chain strong{display:block;font-size:15px;color:var(--cc-ink)}
.cc-chain small{color:var(--cc-muted);font-size:12.5px}
/* map nav */
.cc-map{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px;position:sticky;top:8px;z-index:5;padding:8px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border:1px solid var(--cc-line);border-radius:999px;width:max-content;max-width:100%}
.cc-map a{display:flex;align-items:center;gap:6px;text-decoration:none;color:var(--cc-ink);font-size:14px;padding:5px 12px 5px 6px;border-radius:999px}
.cc-map a b{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#e3f0f1;color:var(--cc-teal);font-size:11.5px}
.cc-map a:hover{background:var(--cc-soft)}
/* modules */
.cc-modules{display:grid;gap:30px}
.cc-module{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:start;background:#fff;border:1px solid var(--cc-line);border-radius:20px;padding:22px;box-shadow:0 10px 30px rgba(23,46,50,.06);scroll-margin-top:80px}
.cc-module:nth-child(even) .cc-fig:first-child{order:2}
.cc-fig{margin:0;position:sticky;top:76px}
.cc-fig img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:14px;background:#111}
.cc-fig figcaption{margin-top:10px;font-size:13.5px;line-height:1.55;color:var(--cc-muted)}
.cc-fig figcaption small{display:block;margin-top:4px;font-size:11.5px;color:#7a8b90}
.cc-fig figcaption small a{color:inherit}
.cc-fig-tag{display:inline-block;margin-right:6px;padding:1px 8px;border-radius:999px;font-size:11px;font-weight:700;background:#e9f4ea;color:#2f6b37}
.cc-fig-tag.ai{background:#eef0f7;color:#4a5584}
.cc-deep .cc-fig{position:static;margin-top:14px}
.cc-num{margin:0 0 6px;font-size:12.5px;font-weight:800;letter-spacing:.08em;color:var(--cc-teal2);text-transform:uppercase}
.cc-copy h3{margin:0 0 10px;font-size:23px;line-height:1.3;color:var(--cc-ink)}
.cc-task{margin:0 0 16px;font-size:16px;line-height:1.65;color:var(--cc-ink)}
.cc-brief-grid{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:16px}
.cc-brief{display:grid;grid-template-columns:110px 1fr;gap:12px;align-items:start;padding:11px 14px;border-radius:12px;background:var(--cc-soft);border:1px solid #e1ecee}
.cc-brief strong{font-size:13.5px;color:var(--cc-teal)}
.cc-brief p{margin:0;font-size:14.5px;line-height:1.55;color:var(--cc-ink)}
.cc-anchor{padding:13px 15px;border-radius:12px;background:linear-gradient(135deg,#fdf4f4,#f6fafa);border-left:4px solid var(--cc-red)}
.cc-anchor p{margin:0;font-size:14.5px;line-height:1.6;color:var(--cc-ink)}
.cc-anchor p::before{content:"指南锚点 · ";font-weight:800;color:var(--cc-red)}
body[data-lang=en] .cc-anchor p::before{content:"Guideline anchor · "}
.cc-anchor small{display:inline-block;margin-top:8px;font-size:11.5px;color:var(--cc-muted);background:#fff;border:1px solid var(--cc-line);border-radius:999px;padding:2px 10px}
.cc-deep{margin-top:14px;border:1px solid var(--cc-line);border-radius:12px;padding:0 14px;background:#fff}
.cc-deep summary{cursor:pointer;padding:11px 0;font-weight:700;color:var(--cc-teal);font-size:14.5px}
.cc-deep[open]{padding-bottom:14px}
.cc-deep p{font-size:14.5px;line-height:1.6}
/* floor plan */
.cc-floor{display:grid;grid-template-columns:1fr 1.2fr 1fr;grid-template-areas:"head head head" "left bed right" "scribe foot door";gap:8px;margin-top:12px;padding:12px;border-radius:14px;background:#0f3438}
.cc-floor-zone{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:9px;color:#e8f3f4;font-size:13px;line-height:1.35}
.cc-floor-zone b{display:inline-grid;place-items:center;min-width:26px;height:22px;margin-right:6px;padding:0 5px;border-radius:6px;background:#2a8a8f;color:#fff;font-size:11.5px}
.cc-floor-zone small{display:block;margin-top:4px;color:#a9c7ca;font-size:11.5px}
.cc-floor-zone.head{grid-area:head}.cc-floor-zone.left{grid-area:left}.cc-floor-zone.right{grid-area:right}.cc-floor-zone.foot{grid-area:foot;border-color:#f0b4b8}.cc-floor-zone.foot b{background:#a32129}.cc-floor-zone.scribe{grid-area:scribe}.cc-floor-zone.door{grid-area:door}
.cc-floor-bed{grid-area:bed;display:grid;place-items:center;min-height:120px;border-radius:40px 40px 14px 14px;background:linear-gradient(#f4f8f8,#d5e3e5);color:#0f3438;font-weight:800}
/* numbers */
.cc-numbers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}
.cc-numbers div{padding:12px;border-radius:12px;background:#fff;border:1px solid var(--cc-line)}
.cc-numbers b{font-size:26px;color:var(--cc-red);line-height:1}
.cc-numbers span{margin-left:6px;font-size:12.5px;font-weight:700;color:var(--cc-teal)}
.cc-numbers p{margin:6px 0 4px!important;font-size:13.5px!important;color:var(--cc-ink)}
.cc-numbers small{font-size:11px;color:var(--cc-muted)}
/* table */
.cc-table-wrap{overflow-x:auto;margin-top:12px}
.cc-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:520px}
.cc-table th{background:var(--cc-teal);color:#fff;text-align:left;padding:8px 10px;font-weight:700}
.cc-table td{padding:8px 10px;border-bottom:1px solid var(--cc-line);vertical-align:top}
.cc-table tr.alert td{background:#fdf1f1}
.cc-table tr.alert td:first-child b{color:var(--cc-red)}
/* algorithm */
.cc-algo{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px;counter-reset:algo}
.cc-algo>li{position:relative;padding:11px 14px 11px 46px;border-radius:12px;background:var(--cc-soft);border:1px solid #e1ecee}
.cc-algo>li::before{counter-increment:algo;content:counter(algo);position:absolute;left:12px;top:11px;width:24px;height:24px;border-radius:50%;background:var(--cc-teal);color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center}
.cc-algo strong{display:block;font-size:14.5px;color:var(--cc-ink)}
.cc-algo p{margin:3px 0 0!important;font-size:13.5px!important;color:var(--cc-muted)}
.cc-algo li.branch{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;background:transparent;border:0;padding-left:46px}
.cc-algo li.branch>div{padding:10px 12px;border-radius:10px;background:#fff;border:1px solid var(--cc-line)}
.cc-algo li.branch>div:first-child,.cc-algo li.branch>div:nth-child(2){border-top:3px solid var(--cc-red)}
.cc-algo li.branch>div:nth-child(3){border-top:3px solid var(--cc-teal2)}
/* pitfalls */
.cc-pit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.cc-pit{background:#fff;border:1px solid var(--cc-line);border-radius:16px;padding:16px}
.cc-pit p{margin:0 0 10px;display:flex;gap:10px;font-size:15px;line-height:1.55}
.cc-pit p b{flex:0 0 24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:13px;color:#fff}
.cc-wrong b{background:var(--cc-red)}.cc-right b{background:#2f7d4a}
.cc-wrong{color:#6b2a2e}
.cc-pit small{font-size:11.5px;color:var(--cc-muted);background:var(--cc-soft);padding:2px 9px;border-radius:999px}
/* sources */
.cc-sources{margin:0;padding-left:22px;display:grid;gap:8px;font-size:14.5px;line-height:1.5}
.cc-sources a{color:var(--cc-teal)}
@media (max-width:1000px){.cc-timeline,.cc-chain{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:16px}.cc-chain li:nth-child(3)::after{display:none}}
@media (max-width:820px){.cc-module{grid-template-columns:1fr;padding:16px}.cc-module:nth-child(even) .cc-fig:first-child{order:0}.cc-fig{position:static}.cc-pit-grid{grid-template-columns:1fr}.cc-algo li.branch{grid-template-columns:1fr}.cc-map{border-radius:16px;position:static}}
@media (max-width:560px){.cc-timeline,.cc-chain{grid-template-columns:repeat(2,minmax(0,1fr))}.cc-chain li::after{display:none}.cc-brief{grid-template-columns:1fr;gap:4px}.cc-numbers{grid-template-columns:1fr}.cc-floor{grid-template-columns:1fr 1fr;grid-template-areas:"head head" "bed bed" "left right" "scribe foot" "door door"}.cc-copy h3{font-size:20px}}
@media print{.cc-map{display:none}.cc-fig{position:static}.cc-module{break-inside:avoid;box-shadow:none}}
.cc-fig img.contain{object-fit:contain;background:#0b0f10}
/* QA r2 */
.cc-core{scroll-margin-top:90px}
.cc-map{position:static;margin-left:auto;margin-right:auto;justify-content:center}
.cc-table{min-width:0;table-layout:auto}
.cc-table th{white-space:nowrap;font-size:12.5px;padding:8px 7px}
.cc-table td{padding:8px 7px}