/* Embedded reader has one scrolling body; header and return action stay visible. */
.article-reader{width:min(900px,calc(100vw - 48px));max-width:none;max-height:calc(100dvh - 48px);padding:0;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);overflow:hidden}.article-reader[open]{display:flex;flex-direction:column}.article-reader::backdrop{background:#10201bea;backdrop-filter:blur(5px)}.reader-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:8px 20px;border-bottom:1px solid var(--line);flex:none;min-height:60px}.reader-toolbar>span{font-size:9px;letter-spacing:.07em;color:var(--muted)}.reader-scroll{overflow-y:auto;overscroll-behavior:contain;min-height:0}.reader-head{padding:38px 7% 28px}.reader-head h2{font-size:clamp(31px,4vw,48px)}.reader-head p{font-size:16px;color:var(--muted);line-height:1.8;margin-top:20px;max-width:690px}.reader-figure{margin:0 7%;border-radius:8px;overflow:hidden}.reader-figure img{width:100%;height:360px;object-fit:contain;background:#e7e8e0}.reader-figure figcaption{font-size:11px;line-height:1.7;color:var(--muted);margin-top:12px}.reader-prose{padding:28px 7% 38px}.reader-prose section+section{margin-top:26px}.reader-prose h3{font-size:26px;margin-bottom:12px}.reader-prose p{font-size:16px;line-height:1.85}.reader-source{margin-top:28px;padding:16px 0;border-block:1px solid var(--line);font-size:12px;color:var(--muted)}.reader-source summary{cursor:pointer;min-height:44px;display:flex;align-items:center;gap:12px;line-height:1.6;color:var(--rust)}.reader-source summary:before{content:'+';font-size:23px}.reader-source[open] summary:before{content:'−'}.reader-source p{font-size:12px;margin:12px 0}.reader-source a{font-size:12px;overflow-wrap:anywhere}.reader-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:12px 20px;border-top:1px solid var(--line);flex:none;background:var(--paper)}.reader-bottom>span{font-size:11px;color:var(--muted)}.reader-timeline{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding:24px 0;margin:24px 0 0;border-top:1px solid var(--line)}.reader-timeline strong{display:block;font:30px var(--serif);color:var(--rust)}.reader-timeline span{display:block;font-size:11px;line-height:1.6;margin-top:10px}
@media(max-width:599px){.article-reader{width:100vw;height:100dvh;max-height:none;margin:0;border:0;border-radius:0;inset:0}.reader-toolbar{min-height:58px;padding:7px 12px;padding-top:max(7px,env(safe-area-inset-top));gap:12px}.reader-toolbar>span{font-size:8px}.reader-head{padding:28px 20px 22px}.reader-head h2{font-size:32px}.reader-head p{font-size:15px}.reader-figure{margin-inline:20px}.reader-figure img{height:260px}.reader-figure figcaption{font-size:10px}.reader-prose{padding:24px 20px 30px}.reader-prose h3{font-size:25px}.reader-prose p{font-size:15px;line-height:1.8}.reader-bottom{padding:10px 16px;padding-bottom:max(10px,env(safe-area-inset-bottom))}.reader-bottom>span{font-size:10px;max-width:90px}.reader-bottom .button{font-size:12px;min-height:46px}.reader-timeline{gap:12px}.reader-timeline strong{font-size:25px}.reader-timeline span{font-size:10px}}