/* Scoped library styling; existing navigation and footer retain their own layout. */
.acra-page{--acra-ink:#354f63;--acra-muted:#667784;--acra-gold:#946d28;--acra-line:#e2e7eb;--acra-paper:#faf8f3;color:var(--acra-ink);background:#fff;min-width:0}
.acra-page,.acra-page *{box-sizing:border-box}
.acra-page [hidden]{display:none!important}
.acra-page .wrap{width:100%;max-width:1200px;margin-inline:auto;padding-inline:32px}
.acra-page .acra-hero{position:static;top:auto;z-index:auto;background:var(--acra-paper);padding:34px 0 44px;border-bottom:1px solid #e9e3d6}
.acra-breadcrumb{font-size:13px;line-height:1.7;color:var(--acra-muted);margin-bottom:27px}
.acra-breadcrumb a{color:inherit;text-decoration:none}
.acra-breadcrumb a:hover{text-decoration:underline;text-underline-offset:4px}
.acra-kicker{color:var(--acra-gold);font-size:11px;font-weight:700;line-height:1.7;letter-spacing:1.8px;text-transform:uppercase;margin-bottom:14px}
.acra-hero h1{font-size:clamp(28px,3.4vw,43px);font-weight:650;line-height:1.24;letter-spacing:-.7px;max-width:980px;margin:0 0 18px;color:var(--acra-ink);overflow-wrap:break-word;text-wrap:balance}
.acra-hero p{font-size:17px;line-height:1.75;max-width:820px;color:var(--acra-muted);margin:0 0 22px}
.acra-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:12px;line-height:1.6;color:#647480}
.acra-status{font-size:11px;line-height:1.5;background:#f0e8d8;color:#755820;padding:4px 9px;border:1px solid #dfd1b5;border-radius:4px}
.acra-page .acra-reading-layout{display:grid;grid-template-columns:220px minmax(0,760px);gap:66px;align-items:start;padding-top:46px;padding-bottom:72px}
.acra-toc{position:sticky;top:150px;border-left:2px solid #d8c393;padding-left:18px;font-size:13px;line-height:1.55}
.acra-toc strong{display:block;margin-bottom:12px;color:var(--acra-ink);font-size:12px}
.acra-toc a{display:block;color:var(--acra-muted);padding:7px 0;text-decoration:none;overflow-wrap:break-word}
.acra-toc a:hover{color:var(--acra-gold);text-decoration:underline;text-underline-offset:4px}
.acra-article{min-width:0}
.acra-article section{padding:0;margin:0 0 32px;background:transparent;scroll-margin-top:150px}
.acra-article h2{font-size:24px;line-height:1.4;font-weight:650;letter-spacing:-.3px;color:var(--acra-ink);margin:0 0 15px}
.acra-article p{font-size:16px;line-height:1.9;margin:0 0 15px;color:#526979;overflow-wrap:break-word}
.acra-article .acra-copy-section{padding-bottom:24px;border-bottom:1px solid var(--acra-line)}
.acra-article .acra-source{padding:26px 28px;background:#f5f7f8;border:1px solid var(--acra-line);border-radius:8px;margin-top:36px}
.acra-source h2{font-size:18px;margin-bottom:10px}
.acra-source p{font-size:14px;line-height:1.8}
.acra-source a{font-size:14px;font-weight:600;color:var(--acra-gold);text-decoration:underline;text-underline-offset:5px;overflow-wrap:anywhere}
.acra-related h2{font-size:19px}
.acra-related>a{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:15px 0;border-bottom:1px solid var(--acra-line);font-size:14px;line-height:1.6;text-decoration:none;color:var(--acra-ink)}
.acra-related>a:hover{color:var(--acra-gold)}
.acra-related>a span{flex-shrink:0;color:var(--acra-gold)}
.acra-actions{padding-top:6px}
.acra-actions .button{font-size:14px;padding:13px 20px;min-height:46px}
.acra-page .acra-archive{padding-top:34px;padding-bottom:70px}
.acra-filters{display:grid;grid-template-columns:minmax(0,1.55fr) repeat(3,minmax(0,1fr));gap:16px;padding:24px;background:#f7f9fa;border:1px solid var(--acra-line);border-radius:10px}
.acra-filters label{display:flex;flex-direction:column;gap:9px;min-width:0;font-size:12px;line-height:1.5;font-weight:600;color:var(--acra-ink)}
.acra-filters input,.acra-filters select{display:block;width:100%;min-width:0;min-height:46px;padding:11px 12px;border:1px solid #cdd7df;border-radius:5px;background:#fff;color:var(--acra-ink);font:inherit;font-size:13px;font-weight:400;line-height:1.4}
.acra-filters select{padding-right:28px;text-overflow:ellipsis}
.acra-filters input::placeholder{color:#74818a;opacity:1}
.acra-results-bar{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:22px 0 20px;scroll-margin-top:140px}
.acra-results-bar p{margin:0;color:var(--acra-muted);font-size:13px;line-height:1.6}
.acra-results-bar button{padding:7px 0;background:none;border:0;color:var(--acra-gold);font-size:13px;line-height:1.6;text-decoration:underline;text-underline-offset:4px;white-space:nowrap}
.acra-library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch}
.acra-library-card{display:flex;flex-direction:column;min-width:0;padding:24px;border:1px solid var(--acra-line);border-radius:9px;background:#fff;transition:border-color .18s,box-shadow .18s}
.acra-card-label{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap;color:var(--acra-gold);font-size:10px;line-height:1.6;font-weight:600;margin-bottom:15px}
.acra-card-label span{font-size:10px;font-weight:400;color:#647680;background:#f1f4f6;padding:2px 6px;border-radius:3px;white-space:nowrap}
.acra-library-card h2{margin:0 0 13px;font-size:19px;line-height:1.45;font-weight:650;letter-spacing:-.2px;overflow-wrap:anywhere}
.acra-library-card h2 a{color:var(--acra-ink);text-decoration:none}
.acra-library-card h2 a:hover{color:var(--acra-gold);text-decoration:underline;text-underline-offset:4px}
.acra-library-card p{font-size:13px;line-height:1.8;color:var(--acra-muted);margin:0 0 22px;overflow-wrap:break-word}
.acra-read{display:block;align-self:flex-start;margin-top:auto;padding-top:13px;border-top:1px solid var(--acra-line);width:100%;font-size:12px;font-weight:600;color:var(--acra-gold);text-decoration:none;line-height:1.6}
.acra-read:hover{text-decoration:underline;text-underline-offset:4px}
.acra-page #acra-empty{margin:24px 0;padding:36px 24px;text-align:center;color:var(--acra-muted);font-size:15px;line-height:1.8;background:#f7f9fa;border:1px dashed #cdd7df;border-radius:8px}
.acra-pagination{display:flex;justify-content:center;align-items:center;gap:22px;margin:34px 0 22px}
.acra-pagination button{min-height:44px;min-width:96px;padding:10px 18px;background:#fff;border:1px solid #c6b58f;border-radius:5px;color:var(--acra-ink);font-size:13px;line-height:1.5}
.acra-pagination button:not(:disabled):hover{background:var(--acra-paper);border-color:var(--acra-gold)}
.acra-pagination button:disabled{opacity:.48;cursor:default}
#acra-page-number{font-size:13px;color:var(--acra-muted);text-align:center;font-variant-numeric:tabular-nums}
.acra-library-note{max-width:770px;margin:26px auto 0;font-size:12px;color:#6c7b86;line-height:1.8;text-align:center}
.acra-page a:focus-visible,.acra-page button:focus-visible,.acra-page input:focus-visible,.acra-page select:focus-visible{outline:2px solid #987328;outline-offset:4px}
.acra-page #acra-results:focus{outline:none}
html[lang^="zh"] .acra-hero h1{line-height:1.4;letter-spacing:0}
html[lang^="zh"] .acra-article p{line-height:2}
html[lang^="zh"] .acra-library-card h2{line-height:1.65;letter-spacing:0;overflow-wrap:break-word}
@media(hover:hover){.acra-library-card:hover{border-color:#cdb987;box-shadow:0 5px 18px #354f6309}}
@media(max-width:1000px){.acra-page .acra-reading-layout{grid-template-columns:180px minmax(0,1fr);gap:34px}.acra-filters{grid-template-columns:repeat(3,minmax(0,1fr))}.acra-filters label:first-child{grid-column:1/-1}.acra-library-grid{gap:16px}.acra-library-card{padding:20px}.acra-library-card h2{font-size:18px}}
@media(max-width:760px){.acra-page .wrap{padding-inline:22px}.acra-page .acra-hero{padding:26px 0 32px}.acra-breadcrumb{margin-bottom:21px}.acra-hero p{font-size:16px}.acra-page .acra-reading-layout{grid-template-columns:minmax(0,1fr);gap:30px;padding-top:28px;padding-bottom:44px}.acra-toc{position:static;display:flex;flex-wrap:wrap;gap:3px 20px;font-size:12px}.acra-toc strong{width:100%;margin-bottom:5px}.acra-toc a{padding:5px 0}.acra-article h2{font-size:22px}.acra-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.acra-filters{padding:18px;gap:13px}.acra-article .acra-source{padding:22px}.acra-page .acra-archive{padding-top:26px}}
@media(max-width:560px){.acra-page .wrap{padding-inline:18px}.acra-hero h1{font-size:28px;line-height:1.3;letter-spacing:-.4px}.acra-hero p{font-size:15px;line-height:1.8}.acra-kicker{font-size:10px;letter-spacing:1.3px}.acra-meta{font-size:11px}.acra-filters{grid-template-columns:minmax(0,1fr);padding:17px}.acra-filters label:first-child{grid-column:auto}.acra-filters input,.acra-filters select{font-size:16px;min-height:46px}.acra-library-grid{grid-template-columns:minmax(0,1fr);gap:15px}.acra-library-card{padding:22px}.acra-library-card h2{font-size:19px}.acra-card-label{font-size:11px}.acra-library-card p{font-size:14px}.acra-results-bar{align-items:flex-start;gap:12px}.acra-results-bar p{font-size:12px}.acra-pagination{gap:12px}.acra-pagination button{min-width:82px;padding:10px 12px}.acra-article p{font-size:15px}.acra-article .acra-source{padding:20px}.acra-source p{font-size:13px}.acra-related>a{font-size:13px}.acra-library-note{text-align:left}}
@media(prefers-reduced-motion:reduce){.acra-library-card{transition:none}}