/* Reader shell and reading typography: one light, deliberate surface.
   No inline styles anywhere, so the page keeps working under style-src 'self'. */
:root{
 color-scheme:light;
 --ink:#17313f;--muted:#5d7180;--line:#dde5e9;--soft:#eef3f6;
 --accent:#15607f;--accent-ink:#0f4a63;--warm:#9a6417;--good:#1d6a56;--bg:#f7f9fa;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.75;
 font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}
a{color:var(--accent);text-underline-offset:4px}
button{font:inherit;cursor:pointer}
h1,h2,h3{line-height:1.35;letter-spacing:-.01em}
[hidden]{display:none!important}
summary:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #4c9ab8;outline-offset:3px}
.skip{position:absolute;top:-100px}
.skip:focus{top:2px;left:2px;background:#fff;padding:8px;z-index:5}

/* Header, navigation, footer */
.top{background:#fff;border-bottom:1px solid var(--line)}
.bar{max-width:1120px;margin:auto;display:flex;align-items:center;gap:24px;padding:12px 24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700}
.brand small{display:block;font-size:10px;letter-spacing:.09em;color:var(--muted);line-height:1.3;font-weight:500}
.mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;font-size:17px}
.nav{display:flex;flex-wrap:wrap;gap:6px 18px;margin-left:auto}
.nav a{text-decoration:none;font-size:14px;color:var(--muted);padding:4px 0;white-space:nowrap}
.nav a[aria-current=page]{color:var(--accent-ink);font-weight:650;box-shadow:inset 0 -2px 0 var(--accent)}
.lang{border:1px solid var(--line);border-radius:18px;padding:5px 14px;background:#fff;color:var(--accent);
 font-size:13px;text-decoration:none;white-space:nowrap}
main{max-width:1120px;margin:0 auto;padding:24px}
footer{max-width:1120px;margin:24px auto 0;padding:20px 24px 34px;border-top:1px solid var(--line)}
.footer-inner{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:baseline;color:var(--muted);font-size:13px}
.footer-inner p{margin:0;flex:1 1 380px}
.footer-inner a{font-size:13px}

/* Shared reading pieces */
.reading-surface{display:block}
.hint{font-size:13px;color:var(--muted);line-height:1.7;margin:8px 0}
.crumbs{margin:0 0 14px;font-size:13px}
.crumbs a{text-decoration:none}
.tool{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;
 border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--accent-ink);
 padding:7px 14px;font-size:14px;text-decoration:none}
.tool svg{width:18px;height:18px;flex:none}
.tool[aria-pressed=true]{color:var(--warm);background:#fdf5e7;border-color:#e6cb9a}
.tool[aria-pressed=true] svg{fill:#f0d49a}
.object-mark{display:grid;place-items:center;flex:none;border-radius:10px;background:var(--soft);
 color:var(--accent-ink);font-weight:700;overflow:hidden}
.mark-card{width:42px;height:42px;font-size:13px}
.mark-lead{width:60px;height:60px;font-size:17px}
.mark-media,.mark-icon{background:#fff;border:1px solid var(--line)}
.object-mark img{max-width:80%;max-height:80%;width:auto;height:auto;object-fit:contain;display:block}
.independent-note{margin:26px 0 0;font-size:13px;color:var(--muted)}
.public-state{padding:24px;background:#fff;border:1px solid var(--line);border-radius:14px}

/* Object introduction */
.surface-entity,.surface-guide{max-width:820px}
.entity-lead{display:flex;gap:16px;align-items:flex-start;margin:0 0 20px}
.lead-text{min-width:0}
.entity-lead h1{margin:0 0 6px;font-size:clamp(25px,3vw,32px)}
.original{margin:0 0 8px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}
.original span{font-weight:600}
.lead-summary{margin:0;font-size:17px;line-height:1.8;color:#38525f}
.entry-card{background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);
 border-radius:12px;padding:18px 20px;margin:0 0 16px}
.entry-card.is-primary{background:var(--soft);border-color:#cadbe3;border-left-color:var(--accent)}
.entry-label{margin:0;font-size:12px;letter-spacing:.06em;color:var(--muted)}
.entry-domain{margin:4px 0 2px;font-size:22px;font-weight:700;overflow-wrap:anywhere;word-break:normal}
.entry-url{margin:0 0 14px;font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.visit{display:inline-flex;flex-wrap:wrap;align-items:baseline;gap:8px;min-height:44px;padding:10px 20px;
 border-radius:9px;background:var(--accent);color:#fff;text-decoration:none;font-size:16px;font-weight:600}
.visit-hint{font-size:12px;font-weight:400;color:#dcecf2}
.visit-note{margin:10px 0 0;font-size:12.5px;color:var(--muted);line-height:1.7}
.visit-blocked{margin:0;padding:12px 14px;border-radius:9px;background:#fdf5e7;border:1px solid #e6cb9a;
 color:var(--warm);font-size:14px;line-height:1.7}
.entry-meta{margin:12px 0 0;font-size:12.5px;color:var(--muted)}
.entity-actions{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 6px}
.local-note{margin:0 0 20px;font-size:12px;color:var(--muted)}
.toc{border:1px solid var(--line);background:#fff;border-radius:12px;padding:14px 18px;margin:0 0 22px}
.toc-title{margin:0 0 6px;font-size:12px;letter-spacing:.06em;color:var(--muted)}
.toc ol{margin:0;padding-left:20px;font-size:14px}
.toc li{padding:2px 0}
.entity-body{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 28px}
.reading-section{margin:0 0 24px}
.reading-section+.reading-section{border-top:1px solid var(--line);padding-top:22px}
.reading-section h2{margin:0 0 12px;font-size:21px}
.reading-section p{margin:11px 0;color:#37515e}
.section-sources{font-size:13px;color:var(--muted)}
.section-sources a{margin-right:8px}
.reading-figure{margin:0 0 22px}
.reading-figure img{display:block;width:100%;height:auto;max-height:300px;object-fit:cover;border-radius:12px}
.reading-figure figcaption{margin-top:7px;font-size:12px;color:var(--muted)}
.disclosure{border-top:1px solid var(--line);padding:4px 0}
.disclosure>summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-size:15px;font-weight:600}
.disclosure .hint{margin:4px 0 12px}
.disclosure .regional-panel>h2{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.disclosure .entry-card{margin-top:14px}
.source-list{margin:0 0 12px;padding-left:20px;font-size:14px}
.source-list li{padding:4px 0;overflow-wrap:anywhere}
.evidence-entry{border-top:1px solid var(--line);padding-top:14px;margin-top:14px}
.evidence-entry h3{margin:0 0 8px;font-size:15px;overflow-wrap:anywhere}
.evidence-line{margin:6px 0;font-size:13.5px;overflow-wrap:anywhere}
.evidence-locator{margin:4px 0;font-size:12.5px;color:var(--muted)}
.evidence-entry blockquote{margin:8px 0;padding-left:12px;border-left:3px solid var(--line);
 font-size:13.5px;color:#3d5766}
.related{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 24px}
.related h2{margin:0 0 12px;font-size:18px}
.related-list{margin:0 0 12px;padding:0;list-style:none}
.related-list li{padding:8px 0;border-top:1px solid var(--line)}
.related-list li:first-child{border-top:0}
.related-list span{display:block;font-size:13px;color:var(--muted)}

/* Share dialog and transient messages */
dialog{max-width:520px;width:calc(100% - 32px);border:1px solid var(--line);border-radius:16px;
 padding:26px;color:var(--ink);background:#fff}
dialog::backdrop{background:#0f2a3766}
dialog h2{margin-top:0;font-size:21px}
dialog p{color:#3d5766}
.primary{border:0;border-radius:9px;background:var(--accent);color:#fff;padding:11px 18px;
 font-size:15px;min-height:44px}
#share-dialog{text-align:center}
#share-dialog input{width:100%;font:inherit;font-size:12px;padding:9px;border:1px solid var(--line);
 border-radius:7px;margin:10px 0}
#share-dialog img{width:185px;height:185px;max-width:100%;image-rendering:pixelated}
.share-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:18px}
.share-actions button{min-height:44px;border:1px solid var(--line);border-radius:9px;background:#fff;
 color:var(--accent-ink);padding:9px 16px}
.share-actions .primary{border:0;color:#fff}
.qr-wrap{margin-top:18px}
.qr-wrap p{font-size:12px;color:var(--muted)}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:10;background:#173b4c;
 color:#fff;padding:10px 17px;border-radius:11px;max-width:calc(100% - 32px);width:max-content;font-size:14px}

@media(max-width:760px){
 .bar{padding:10px 16px;gap:12px;flex-wrap:wrap}
 .nav{width:100%;margin:0;gap:6px 14px;order:3}
 .lang{margin-left:auto}
 main{padding:18px 16px}
 .entity-lead{display:grid;grid-template-columns:48px minmax(0,1fr);gap:8px 12px}
 .lead-text{display:contents}
 .entity-lead h1{font-size:24px;grid-column:2;grid-row:1}
 .lead-text .original{grid-column:2}
 .lead-summary{font-size:15.5px;grid-column:1 / -1}
 .mark-lead{width:48px;height:48px;font-size:15px}
 .entry-card{padding:16px}
 .entry-domain{font-size:19px}
 .visit{width:100%}
 .entity-body{padding:20px 18px}
 .reading-section h2{font-size:19px}
 .related{padding:18px}
 footer{margin-top:18px;padding:18px 16px 30px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}