:root{color-scheme:dark;--bg:#0b0c0c;--panel:#141615;--card:#161818;--line:#343836;--text:#f3f0e8;--muted:#b9b8b1;--accent:#d8b982}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,'Segoe UI',sans-serif}a{color:var(--accent);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid var(--accent);outline-offset:4px;border-radius:3px}img{max-width:100%;height:auto}.dyz-shell{width:min(1120px,calc(100% - 36px));margin:auto}.dyz-header{border-bottom:1px solid var(--line);background:#111312}.dyz-headrow{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:92px}.dyz-brand{text-decoration:none;font-size:19px;font-weight:750;color:var(--text);letter-spacing:.02em}.dyz-brand span{display:block;font-size:11px;font-weight:400;color:var(--muted)}.dyz-header nav{display:flex;flex-wrap:wrap;gap:12px 22px}.dyz-header nav 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17px;color:#151513;font-weight:750;text-decoration:none}.dyz-inline-list{display:flex;flex-wrap:wrap;gap:9px;list-style:none;padding:0}.dyz-inline-list li{background:var(--panel);border:1px solid var(--line);border-radius:7px;padding:5px 10px}.dyz-columns{columns:2;column-gap:38px}.dyz-columns li{break-inside:avoid;margin:0 0 9px}.dyz-columns small{font-size:10px}.dyz-entries li{margin-bottom:12px}.dyz-entries small{display:block}.dyz-decade{border-top:1px solid var(--line);padding:17px 0}.dyz-decade h3{color:var(--accent)}.dyz-topic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:12px}.dyz-topic p{color:var(--muted);font-size:13px}.dyz-feature-photo{max-width:570px;margin:20px 0}.dyz-feature-photo img{background:#eeede9;padding:9px;border-radius:9px}.dyz-feature-photo figcaption{color:var(--muted);font-size:12px}.dyz-footer{margin-top:48px;padding:24px 0 46px;background:#111312;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.dyz-skip{position:absolute;top:-150px;left:10px;padding:8px;background:#fff;color:#000;z-index:5}.dyz-skip:focus{top:8px}@media(max-width:680px){.dyz-headrow{display:block;padding:18px 0}.dyz-header nav{margin-top:16px}.dyz-columns{columns:1}.dyz-breadcrumbs{padding:18px 0}.dyz-gallery figure>a{height:240px}.dyz-intro{padding:8px 0 22px}}@media print{body{background:#fff;color:#000}.dyz-header nav,.dyz-footer,.dyz-primary-link{display:none}.dyz-mini,.dyz-note,.dyz-fact{border:1px solid #777;background:#fff}.dyz-gallery figure{break-inside:avoid;background:#fff}.dyz-gallery figure>a{height:180px}.dyz-tags span{color:#111}a{color:#000}}

.dyz-table{border-collapse:collapse;width:100%;max-width:700px;margin:13px 0 26px;font-size:13px}.dyz-table th,.dyz-table td{border:1px solid var(--line);padding:7px 11px;text-align:left}.dyz-table thead{background:#292723}.dyz-table tbody tr:nth-child(even){background:var(--panel)}@media(max-width:480px){.dyz-table{font-size:12px}.dyz-table th,.dyz-table td{padding:6px 8px}}

.dyz-rule-photo{max-width:320px;margin:10px 0 15px}.dyz-rule-photo img{width:100%;max-height:180px;object-fit:contain;background:#eeede9;border-radius:7px;padding:6px}.dyz-rule-photo figcaption{font-size:11px;color:var(--muted)}

/* v1.7.1: source-attributed construction research */
.dyz-hist-group{margin:18px 0 22px;padding:17px 20px;border:1px solid var(--line);border-radius:10px;background:var(--panel);}.dyz-hist-group h3{color:var(--accent);font-size:19px}.dyz-hist-group li{font-size:14px;margin:0 0 17px}.dyz-hist-group li p{margin:5px 0;color:var(--muted);font-size:13px}.dyz-hist-group .dyz-hist-note{font-style:italic;color:var(--accent)}@media(max-width:560px){.dyz-hist-group{padding:12px}}