:root {
  --bg:#0C0B0A; --deep:#161311; --content:#1C1916; --secondary:#26221D;
  --paper:#F3E6D2; --title:#FFF8F0; --text:#EDE4D8; --muted:#B7A898; --soft:#8A7B6C;
  --red:#E11D2E; --red-hi:#FF4A4F; --wine:#8B1E2D; --rust:#E25A2A; --amber:#E2B14A;
  --border:rgba(226,177,74,.16); --strong-border:rgba(225,29,46,.40); --shadow:0 18px 44px rgba(0,0,0,.46);
  --max:1280px;
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; background:var(--bg); }
body { margin:0; background:var(--bg); color:var(--text); font-family:"Noto Sans CJK SC","Microsoft YaHei","PingFang SC",Arial,sans-serif; font-size:16px; line-height:1.8; overflow-x:hidden; }
a { color:inherit; text-decoration:none; }
a:hover { color:var(--title); }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible { outline:2px solid var(--amber); outline-offset:3px; }
button, input, summary { font:inherit; }
img { display:block; max-width:100%; height:auto; }
.skip-link { position:absolute; left:16px; top:-80px; z-index:100; background:var(--paper); color:#2A211A; padding:10px 14px; border-radius:6px; }
.skip-link:focus { top:12px; }
.site-header { background:var(--deep); border-bottom:1px solid var(--border); }
.header-inner { max-width:var(--max); min-height:80px; margin:0 auto; padding:14px 24px; display:flex; align-items:center; justify-content:space-between; gap:20px; }
.brand { display:flex; align-items:center; gap:12px; min-width:0; }
.brand-logo, .footer-logo, .directory-logo { height:34px; width:auto; max-width:180px; object-fit:contain; }
.brand-wordmark { font-weight:800; color:var(--title); font-size:24px; letter-spacing:.08em; }
.brand-copy { display:flex; flex-direction:column; line-height:1.15; }
.brand-copy strong { color:var(--title); font-size:18px; }
.brand-copy small { color:var(--muted); font-size:11px; letter-spacing:.14em; margin-top:5px; }
.header-links { display:flex; gap:10px; }
.header-links a { min-height:44px; display:flex; align-items:center; padding:0 13px; border:1px solid var(--border); border-radius:7px; color:var(--paper); }
.header-links a:hover { border-color:var(--strong-border); background:rgba(225,29,46,.08); }
.tool-zone { border-bottom:1px solid var(--border); background:var(--bg); }
.tool-zone-inner { max-width:var(--max); margin:0 auto; padding:10px 24px; display:flex; gap:12px; align-items:flex-start; }
.tool-details { min-width:220px; }
.tool-details > summary { list-style:none; min-height:44px; display:flex; align-items:center; justify-content:space-between; gap:18px; padding:8px 13px; cursor:pointer; border:1px solid var(--border); background:var(--content); border-radius:7px; color:var(--paper); }
.tool-details > summary::-webkit-details-marker { display:none; }
.tool-details[open] > summary { border-color:var(--strong-border); background:#211715; }
.tool-details[open] .summary-mark { transform:rotate(45deg); }
.summary-mark { color:var(--red-hi); font-size:20px; transition:transform .15s ease; }
.tool-panel { margin-top:8px; background:var(--deep); border:1px solid var(--border); border-radius:8px; box-shadow:var(--shadow); padding:20px; }
.directory-tool { display:none; flex:1; }
.search-tool { width:100%; max-width:760px; margin-left:auto; }
.directory-brand { display:flex; align-items:center; gap:12px; color:var(--title); margin-bottom:18px; }
.directory-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:22px; }
.directory-group { min-width:0; }
.directory-group h2, .sidebar-group h2, .footer-directory h2 { font-size:13px; margin:0 0 10px; color:var(--amber); letter-spacing:.1em; }
.directory-item { display:block; padding:10px 0; border-top:1px solid var(--border); min-height:44px; }
.directory-item strong { display:block; color:var(--title); font-size:15px; }
.directory-item span { display:block; color:var(--muted); font-size:13px; line-height:1.55; margin-top:3px; }
.directory-item.is-current { border-left:3px solid var(--red); padding-left:10px; background:rgba(225,29,46,.06); }
.tool-close { min-height:44px; margin-top:18px; border:1px solid var(--border); background:var(--secondary); color:var(--paper); border-radius:7px; padding:8px 14px; cursor:pointer; }
.site-search label { display:block; color:var(--title); font-weight:700; margin-bottom:9px; }
.search-row { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:10px; }
.search-row input { min-width:0; min-height:46px; border:1px solid var(--border); background:#0F0D0C; color:var(--text); border-radius:7px; padding:9px 12px; }
.search-row button { min-height:46px; border:1px solid var(--border); background:var(--paper); color:#2A211A; border-radius:7px; padding:8px 16px; cursor:pointer; }
.search-status { color:var(--muted); font-size:13px; margin:10px 0 4px; }
.search-results { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 18px; }
.search-result { min-width:0; padding:11px 0; border-top:1px solid var(--border); }
.search-result a { color:var(--title); font-weight:700; }
.search-result p { color:var(--muted); font-size:13px; line-height:1.55; margin:4px 0 0; }
.search-empty { color:var(--paper); border-left:3px solid var(--red); padding:8px 12px; }
.page-shell { max-width:var(--max); margin:0 auto; padding:0 24px; display:grid; grid-template-columns:196px minmax(0,1fr); gap:24px; }
.desktop-sidebar { min-width:0; padding-top:36px; }
.sidebar-inner { padding:16px 0 30px; }
.sidebar-home, .sidebar-link, .full-directory-link { min-height:44px; display:flex; align-items:center; position:relative; padding:7px 10px 7px 14px; color:var(--muted); border-radius:5px; }
.sidebar-home { color:var(--paper); border-bottom:1px solid var(--border); margin-bottom:16px; }
.sidebar-link:hover, .sidebar-home:hover { background:var(--content); }
.sidebar-link.is-current, .sidebar-home.is-current { color:var(--title); background:rgba(225,29,46,.10); font-weight:700; }
.sidebar-link.is-current::before, .sidebar-home.is-current::before { content:""; position:absolute; left:0; width:4px; height:18px; border-radius:4px; background:var(--red); }
.sidebar-group { margin:0 0 18px; }
.full-directory-link { margin-top:8px; border:1px solid var(--border); color:var(--paper); justify-content:center; }
.content-column { min-width:0; }
.site-main { padding:42px 0 72px; min-width:0; }
.page-header { max-width:820px; margin-bottom:36px; }
.breadcrumbs { color:var(--muted); font-size:13px; margin-bottom:12px; }
.breadcrumbs a { color:var(--paper); }
h1,h2,h3 { color:var(--title); line-height:1.32; }
h1 { font-size:clamp(28px,3.2vw,32px); margin:0 0 14px; letter-spacing:-.02em; }
h2 { font-size:22px; margin:0 0 16px; }
h3 { font-size:17px; margin:0 0 10px; }
p { margin:0 0 1em; }
.lead { max-width:800px; font-size:18px; line-height:1.85; color:var(--paper); }
.eyebrow { color:var(--red-hi); text-transform:uppercase; letter-spacing:.12em; font-size:13px; font-weight:800; margin:0 0 10px; }
.section { margin:0 0 50px; min-width:0; }
.section-head { display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:18px; border-bottom:1px solid var(--border); padding-bottom:10px; }
.section-head p { color:var(--muted); margin:0; max-width:520px; font-size:14px; }
.prose { max-width:780px; }
.prose p { color:var(--text); }
.prose strong { color:var(--paper); }
.section-anchor { scroll-margin-top:24px; }
.text-link { display:inline-flex; min-height:44px; align-items:center; color:var(--paper); font-weight:700; border-bottom:1px solid var(--red); }
.button-row { display:flex; flex-wrap:wrap; gap:10px; margin-top:20px; }
.button-primary, .button-secondary { min-height:44px; display:inline-flex; align-items:center; justify-content:center; padding:8px 16px; border-radius:7px; font-weight:800; }
.button-primary { background:linear-gradient(135deg,#FF4A4F 0%,#E11D2E 46%,#E25A2A 100%); color:#FFF8F0; }
.button-secondary { background:var(--paper); color:#2A211A; }
.editorial-rule { border:0; border-top:1px solid var(--strong-border); margin:36px 0; }
.media-frame { margin:0; min-width:0; display:flex; justify-content:center; align-items:center; padding:8px; background:#11100F; border:1px solid var(--border); border-radius:8px; }
.media-frame img { max-width:100%; width:auto; height:auto; object-fit:contain; object-position:center; }
.cover-media img { max-height:300px; }
.image-fallback { min-height:150px; background:linear-gradient(145deg,#1B1212,#42131A); color:var(--paper); display:flex; align-items:center; justify-content:center; text-align:center; }
.image-fallback span { max-width:80%; font-weight:800; letter-spacing:.08em; }
.cover-fallback { min-height:240px; }
.home-hero { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:30px; align-items:center; padding:22px 0 10px; }
.home-hero-copy { min-width:0; }
.home-hero h1 { font-size:clamp(28px,3.6vw,38px); }
.hero-sentence { font-size:24px; line-height:1.45; color:var(--title); font-weight:800; margin-bottom:14px; }
.reading-path { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:12px; }
.path-item { min-width:0; border-top:2px solid var(--red); background:var(--content); padding:15px; border-radius:0 0 7px 7px; }
.path-item strong { color:var(--title); display:block; margin-bottom:6px; }
.path-item p { color:var(--muted); font-size:14px; line-height:1.6; margin:0; }
.digest-layout { display:grid; grid-template-columns:minmax(220px,.8fr) minmax(0,1.6fr); gap:26px; align-items:start; }
.digest-list article { padding:0 0 16px; margin-bottom:16px; border-bottom:1px solid var(--border); }
.digest-list h3 a { color:var(--title); }
.feature-image-top { max-width:860px; margin:0 0 24px; }
.mini-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; }
.mini-note { min-width:0; background:var(--content); border:1px solid var(--border); padding:16px; border-radius:7px; }
.mini-note p { color:var(--muted); font-size:14px; margin:0; }
.editorial-pair { display:grid; grid-template-columns:1.15fr .85fr; gap:24px; align-items:start; }
.editorial-unit { min-width:0; }
.editorial-unit .media-frame { margin-bottom:16px; }
.editorial-unit p { color:var(--muted); }
.focus-points { border-top:1px solid var(--border); margin-top:14px; padding-top:10px; }
.focus-points p { font-size:14px; color:var(--text); }
.split-media { display:grid; grid-template-columns:minmax(0,1fr) minmax(260px,.9fr); gap:28px; align-items:center; }
.analysis-list { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin-top:18px; }
.analysis-list article { border-left:2px solid var(--rust); padding-left:13px; }
.analysis-list p { color:var(--muted); font-size:14px; }
.reading-band { display:grid; grid-template-columns:minmax(240px,.8fr) minmax(0,1.4fr); gap:26px; align-items:center; padding:20px 0; border-top:1px solid var(--border); }
.reading-band + .reading-band { border-bottom:1px solid var(--border); }
.check-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:10px; margin-top:16px; }
.check-grid article { background:var(--secondary); border:1px solid var(--border); padding:13px; border-radius:6px; }
.check-grid strong { color:var(--paper); display:block; margin-bottom:5px; }
.check-grid p { font-size:13px; color:var(--muted); margin:0; }
.compare-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; margin:18px 0; }
.compare-grid article { background:var(--paper); color:#35291F; padding:18px; border-radius:7px; }
.compare-grid h3 { color:#251B15; }
.compare-grid p { color:#4A3A2D; font-size:14px; }
.timeline-points { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:12px; margin-top:18px; }
.timeline-points article { border-top:3px solid var(--wine); padding-top:11px; }
.timeline-points p { color:var(--muted); font-size:14px; }
.status-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin-top:18px; }
.status-card { background:var(--content); border:1px solid var(--border); border-radius:7px; padding:16px; }
.status-card strong { color:var(--paper); display:block; margin-bottom:6px; }
.status-card p { color:var(--muted); font-size:14px; margin:0; }
.topic-block { padding:18px 0; border-top:1px solid var(--border); }
.observation-label { display:inline-block; color:var(--amber); font-size:12px; letter-spacing:.08em; margin-bottom:8px; }
.clue-strip { border-top:2px solid var(--red); border-bottom:1px solid var(--border); padding:24px 0; }
.mobile-reading { display:grid; grid-template-columns:minmax(0,1.5fr) minmax(220px,.6fr); gap:28px; align-items:center; }
.app-media img { max-height:420px; }
.text-trio { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.text-unit { min-width:0; background:var(--content); border:1px solid var(--border); padding:18px; border-radius:7px; }
.text-unit p { color:var(--muted); font-size:14px; }
.article-layout { display:grid; grid-template-columns:minmax(0,780px); justify-content:start; }
.article-section { padding:28px 0; border-top:1px solid var(--border); }
.article-section:first-child { border-top:0; padding-top:0; }
.article-section p { max-width:780px; }
.article-section .media-frame { max-width:780px; margin-bottom:20px; }
.callout { max-width:780px; background:var(--paper); color:#33271E; border-radius:7px; padding:18px; margin:18px 0; }
.callout h2, .callout h3 { color:#241A14; }
.callout p { color:#46372B; margin-bottom:.65em; }
.related-links { margin-top:38px; padding-top:20px; border-top:1px solid var(--strong-border); }
.related-links h2 { font-size:18px; }
.related-links nav { display:flex; flex-wrap:wrap; gap:10px; }
.related-links a { min-height:44px; display:inline-flex; align-items:center; padding:7px 12px; border:1px solid var(--border); border-radius:6px; color:var(--paper); }
.article-index { max-width:780px; background:var(--content); border:1px solid var(--border); padding:16px; border-radius:7px; margin:0 0 28px; }
.article-index strong { display:block; color:var(--title); margin-bottom:8px; }
.article-index a { display:inline-flex; margin:4px 14px 4px 0; color:var(--paper); border-bottom:1px solid var(--wine); }
.responsive-table { width:100%; max-width:780px; border-collapse:collapse; margin:18px 0; }
.responsive-table th, .responsive-table td { border:1px solid var(--border); padding:12px; text-align:left; vertical-align:top; }
.responsive-table th { color:var(--paper); background:var(--secondary); }
.responsive-table td { color:var(--text); }
.faq-list { max-width:820px; }
.faq-item { border-top:1px solid var(--border); }
.faq-item summary { min-height:52px; display:flex; align-items:center; cursor:pointer; color:var(--title); font-weight:800; padding:10px 4px; }
.faq-item .faq-answer { padding:0 4px 14px; color:var(--text); }
.site-footer { background:#080706; border-top:1px solid var(--red); color:#D8CBBA; }
.footer-inner { max-width:var(--max); margin:0 auto; padding:36px 24px 34px; }
.footer-brand { display:flex; align-items:center; gap:14px; margin-bottom:28px; }
.footer-brand div { display:flex; flex-direction:column; line-height:1.2; }
.footer-brand strong { color:var(--title); font-size:18px; }
.footer-brand span { color:var(--muted); font-size:11px; letter-spacing:.12em; margin-top:4px; }
.footer-directory { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:24px; }
.footer-directory section { min-width:0; }
.footer-directory a { display:block; min-height:36px; color:#D8CBBA; font-size:14px; }
.footer-home { margin-top:20px; }
.footer-home a { color:var(--paper); border-bottom:1px solid var(--red); }
.footer-note, .copyright { max-width:900px; color:var(--muted); font-size:13px; margin-top:20px; }
.copyright { margin-bottom:0; }
.mobile-bottom-nav { display:none; }

@media (min-width:1100px) and (min-height:760px) {
  .sidebar-inner { position:sticky; top:24px; }
}
@media (max-width:1099px) {
  .tool-zone-inner { display:grid; grid-template-columns:1fr 1fr; }
  .directory-tool { display:block; min-width:0; }
  .search-tool { min-width:0; max-width:none; margin-left:0; }
  .page-shell { display:block; }
  .desktop-sidebar { display:none; }
  .site-main { padding-top:34px; }
  .directory-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:900px) {
  .reading-path { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .home-hero, .digest-layout, .editorial-pair, .split-media, .reading-band, .mobile-reading { grid-template-columns:1fr; }
  .editorial-pair { gap:34px; }
  .mini-grid, .analysis-list, .compare-grid, .status-grid, .text-trio { grid-template-columns:1fr 1fr; }
  .timeline-points { grid-template-columns:1fr 1fr; }
  .check-grid { grid-template-columns:1fr 1fr; }
  .footer-directory { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .app-media { max-width:320px; }
}
@media (max-width:767px) {
  body { padding-bottom:calc(76px + env(safe-area-inset-bottom)); }
  .header-inner { min-height:64px; padding:10px 16px; }
  .brand-logo { height:30px; max-width:135px; }
  .brand-copy small { display:none; }
  .header-links a { padding:0 10px; font-size:14px; }
  .faq-shortcut { display:none !important; }
  .tool-zone-inner { padding:8px 16px; grid-template-columns:1fr; gap:8px; }
  .tool-details { min-width:0; }
  .tool-panel { padding:15px; box-shadow:none; }
  .directory-grid, .search-results { grid-template-columns:1fr; }
  .page-shell { padding:0 16px; }
  .site-main { padding:28px 0 52px; }
  h1 { font-size:clamp(24px,8vw,28px); }
  h2 { font-size:20px; }
  .lead { font-size:17px; }
  .hero-sentence { font-size:21px; }
  .section { margin-bottom:34px; }
  .section-head { display:block; }
  .section-head p { margin-top:6px; }
  .cover-media img { max-height:260px; }
  .image-fallback { min-height:120px; }
  .cover-fallback { min-height:180px; }
  .mini-grid, .analysis-list, .compare-grid, .timeline-points, .status-grid, .text-trio, .check-grid { grid-template-columns:1fr; }
  .app-media img { max-height:360px; }
  .footer-inner { padding:30px 16px 40px; }
  .footer-directory { grid-template-columns:1fr 1fr; gap:20px 14px; }
  .mobile-bottom-nav { position:fixed; left:0; right:0; bottom:0; z-index:50; min-height:56px; padding-bottom:env(safe-area-inset-bottom); display:grid; grid-template-columns:repeat(5,1fr); background:#0A0908; border-top:1px solid var(--border); box-shadow:0 -8px 24px rgba(0,0,0,.35); }
  .mobile-bottom-nav a { min-width:0; min-height:56px; display:flex; flex-direction:column; gap:3px; align-items:center; justify-content:center; color:var(--muted); font-size:12px; }
  .mobile-bottom-nav a.is-current { color:var(--title); font-weight:800; }
  .nav-dot { width:20px; height:3px; border-radius:3px; background:var(--secondary); }
  .mobile-bottom-nav a.is-current .nav-dot { background:var(--red); }
  .responsive-table, .responsive-table tbody, .responsive-table tr, .responsive-table td { display:block; width:100%; }
  .responsive-table thead { display:none; }
  .responsive-table tr { border:1px solid var(--border); margin:0 0 12px; border-radius:6px; overflow:hidden; }
  .responsive-table td { border:0; border-top:1px solid var(--border); padding:10px 12px 10px 42%; position:relative; min-height:44px; }
  .responsive-table td:first-child { border-top:0; }
  .responsive-table td::before { content:attr(data-label); position:absolute; left:12px; top:10px; width:34%; color:var(--amber); font-weight:700; }
}
@media (max-width:374px) {
  .header-links a { font-size:13px; padding:0 8px; }
  .brand-copy strong { font-size:16px; }
  .reading-path, .footer-directory { grid-template-columns:1fr; }
  .search-row { grid-template-columns:1fr; }
}