/* 目录预览独立命名空间，不改变既有知识图谱或教师工作台。 */
.framework-entry { display:inline-block; color:var(--tx-2); padding:12px 0; text-underline-offset:5px; text-decoration-color:var(--accent); }
.framework-entry:focus-visible { outline:2px solid var(--accent); outline-offset:4px; }
.framework-body { line-height:1.75; }
.framework-body a { color:var(--tx-1); text-underline-offset:5px; }
.framework-body a:hover { text-decoration-color:var(--accent); }
.framework-body :focus-visible { outline:2px solid var(--accent); outline-offset:5px; }
.framework-skip { position:fixed; top:12px; left:16px; z-index:110; width:1px; height:1px; clip-path:inset(50%); overflow:hidden; }
.framework-skip:focus { width:auto; height:auto; clip-path:none; background:var(--bg-2); padding:12px; }
.framework-header { max-width:1200px; margin:auto; padding:24px 32px; display:flex; align-items:center; gap:32px; border-bottom:1px solid var(--line-strong); }
.framework-brand { font-size:19px; font-weight:700; text-decoration:none; }
.framework-brand span { display:block; font-size:10px; font-weight:400; letter-spacing:.05em; color:var(--tx-2); }
.framework-header nav { display:flex; gap:24px; margin-left:auto; }
.framework-header nav a { padding:10px 0; text-decoration:none; color:var(--tx-2); }
.framework-header nav [aria-current] { color:var(--tx-1); border-bottom:2px solid var(--accent); }
.framework-theme { position:relative; }
.framework-theme summary { cursor:pointer; padding:10px; }
.framework-theme #theme-switcher { position:absolute; right:0; width:180px; padding:12px; z-index:20; background:var(--bg-2); border:1px solid var(--line-strong); }
.framework-theme .theme-option { width:100%; padding:12px; margin:4px 0; }
.framework-main { max-width:1200px; margin:auto; padding:48px 32px 64px; }
.framework-eyebrow { letter-spacing:.14em; font-size:12px; color:var(--tx-2); margin-bottom:16px; }
.framework-main h1 { font-size:clamp(30px, 4vw, 48px); letter-spacing:-.03em; line-height:1.3; max-width:900px; overflow-wrap:anywhere; }
.framework-status { color:var(--tx-2); margin:20px 0 28px; max-width:760px; }
.framework-notice { border-left:3px solid var(--warn); background:var(--bg-1); padding:16px 20px; color:var(--tx-2); margin-bottom:32px; }
.framework-strands { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.framework-strand { min-width:0; border:1px solid var(--line-strong); background:var(--bg-1); }
.framework-strand-header { padding:28px; border-bottom:1px solid var(--line); }
.framework-strand-label { font-size:12px; letter-spacing:.14em; color:var(--tx-2); }
.framework-strand h2 { font-size:25px; margin:8px 0; }
.framework-strand-header p:last-child { color:var(--tx-2); }
.framework-topic { border-bottom:1px solid var(--line); }
.framework-topic:last-child { border-bottom:0; }
.framework-topic summary { padding:20px 24px; cursor:pointer; font-size:16px; }
.framework-topic summary::marker { color:var(--accent); }
.framework-topic ul { list-style:none; padding:0 20px 16px; }
.framework-point-link { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:13px 12px; min-height:48px; text-decoration:none; border-top:1px solid var(--line); }
.framework-point-link:hover { background:var(--accent-dim); }
.framework-point-link span:first-child { overflow-wrap:anywhere; }
.framework-badge { color:var(--tx-2); border:1px solid var(--line-strong); padding:2px 7px; font-size:11px; white-space:nowrap; flex-shrink:0; }
.framework-badge-sample { border-color:var(--accent-line); }
.framework-back { display:inline-block; margin-bottom:24px; padding:8px 0; }
.framework-detail-grid { display:grid; grid-template-columns:minmax(0,2.4fr) minmax(200px,1fr); gap:48px; }
.framework-reading { min-width:0; }
.framework-section { margin-bottom:32px; padding-bottom:32px; border-bottom:1px solid var(--line); }
.framework-section h2, .framework-related h2 { font-size:20px; margin-bottom:20px; }
.framework-section p { margin:14px 0; color:var(--tx-2); white-space:pre-wrap; overflow-wrap:anywhere; }
.framework-section ul, .framework-section ol { padding-left:24px; }
.framework-section li { padding:6px 0; color:var(--tx-2); overflow-wrap:anywhere; }
.framework-formula { overflow-x:auto; padding:12px; background:var(--bg-1); border:1px solid var(--line); }
.framework-formula .katex-display { margin:8px 0; }
.framework-section .framework-summary { color:var(--tx-1); font-size:18px; }
.framework-properties { list-style:none; }
.framework-section .framework-properties { padding-left:0; }
.framework-properties > li { border-left:2px solid var(--accent); padding-left:20px; margin-bottom:16px; }
.framework-properties .framework-property { color:var(--tx-1); margin-top:0; }
.framework-conditions { font-size:14px; }
.framework-pitfalls .framework-source-kind { display:inline-block; margin:0; padding:2px 8px; border:1px solid var(--accent-line); font-size:12px; }
.framework-pitfalls .framework-source-detail { margin-top:8px; font-size:13px; }
.framework-related { align-self:start; padding:24px; border:1px solid var(--line-strong); }
.framework-related ul { list-style:none; }
.framework-related a { display:block; min-height:44px; padding:10px 0; }
.framework-related p { color:var(--tx-2); margin-top:20px; font-size:12px; }
.framework-empty { padding:24px; background:var(--bg-1); }
.framework-footer { max-width:1136px; margin:auto; border-top:1px solid var(--line); padding:24px 0 40px; color:var(--tx-2); font-size:12px; }
@media(max-width:720px) {
  .framework-header { padding:16px 20px; gap:16px; flex-wrap:wrap; }
  .framework-brand { font-size:16px; }
  .framework-header nav { gap:16px; }
  .framework-theme { margin-left:auto; }
  .framework-main { padding:32px 20px 40px; }
  .framework-strands, .framework-detail-grid { grid-template-columns:1fr; gap:24px; }
  .framework-strand-header { padding:22px; }
  .framework-topic summary { padding:18px 20px; }
  .framework-topic ul { padding:0 12px 12px; }
  .framework-footer { margin:0 20px; }
}