*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,sans-serif;background:#f5f7fa;color:#1f2937;line-height:1.6;font-size:15px;-webkit-font-smoothing:antialiased}
a{color:#0e639c;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:920px;margin:0 auto;padding:0 20px}
nav.breadcrumb{background:#fff;border-bottom:1px solid #e5e7eb;padding:13px 0;font-size:13px;color:#6b7280}
nav.breadcrumb a{color:#0e639c}
nav.breadcrumb .sep{margin:0 7px;color:#d1d5db}
nav.breadcrumb .current{color:#1f2937;font-weight:600}
header.hero{background:linear-gradient(135deg,#0e639c 0%,#084773 100%);color:#fff;padding:30px 0 28px}
.hero .home-btn{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:13px;font-weight:600;padding:6px 14px;border-radius:6px;margin-bottom:14px;transition:background .15s}
.hero .home-btn:hover{background:rgba(255,255,255,.22);text-decoration:none}
.hero .badge{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.28);border-radius:20px;font-size:12px;padding:4px 11px;margin-bottom:10px;text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.hero h1{font-size:26px;font-weight:700;line-height:1.3;margin-bottom:8px}
.hero .subtitle{font-size:15px;opacity:.95;line-height:1.55}
main{padding:26px 0 50px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:11px;margin-bottom:24px}
.fact{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:13px 16px}
.fact .label{font-size:11.5px;color:#6b7280;text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-bottom:4px}
.fact .value{font-size:15px;font-weight:600;color:#1f2937}
section.block{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:20px 24px;margin-bottom:16px}
section.block h2{font-size:16px;font-weight:700;margin-bottom:12px;color:#084773;padding-bottom:8px;border-bottom:2px solid #e5e7eb}
section.block p{margin-bottom:9px}
section.block p:last-child{margin-bottom:0}
.scope-text{font-size:15px;line-height:1.7}
.keyspecs{background:#f0f9f4;border-left:3px solid #16794a}
.keyspecs h2{color:#16794a;border-color:#d1fae5}
.keyspecs ul{margin-left:20px}
.keyspecs li{margin:6px 0;line-height:1.6}
.notes{background:#fff7ed;border-left:3px solid #d97706;color:#92400e;font-size:14.5px}
.notes h2{color:#92400e;border-color:#fde68a}
.related-chips,.eq-list{display:flex;gap:7px;flex-wrap:wrap}
.related-chip{background:#eef3f8;border:1px solid #e5e7eb;color:#084773;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;font-family:"SF Mono",Menlo,Consolas,monospace;transition:all .15s;display:inline-block}
.related-chip:hover{background:#0e639c;color:#fff;border-color:#0e639c;text-decoration:none}
.eq-cat{margin-bottom:14px}
.eq-cat:last-child{margin-bottom:0}
.eq-cat-name{font-size:11.5px;color:#6b7280;text-transform:uppercase;letter-spacing:.05em;font-weight:600;margin-bottom:6px}
.eq-chip{display:inline-block;background:#fff;border:1px solid #e5e7eb;color:#1f2937;padding:6px 12px;border-radius:6px;font-size:13.5px;transition:all .15s}
.eq-chip:hover{background:#0e639c;color:#fff;border-color:#0e639c;text-decoration:none}
.std-by-body{margin-bottom:18px}
.std-by-body:last-child{margin-bottom:0}
.std-by-body h3{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:#084773;margin-bottom:10px;padding-bottom:6px;border-bottom:2px solid #e5e7eb}
.std-row{padding:11px 0;border-bottom:1px solid #f3f4f6}
.std-row:last-child{border-bottom:none}
.std-row .head{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}
.std-row .num{background:#eef3f8;color:#084773;padding:2px 8px;border-radius:4px;font-family:"SF Mono",Menlo,Consolas,monospace;font-size:13px;font-weight:600;flex-shrink:0;text-decoration:none}
.std-row a.num:hover{background:#0e639c;color:#fff;text-decoration:none}
.std-row .title{font-weight:600;font-size:14.5px}
.std-row .meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:4px;font-size:12.5px;color:#6b7280}
.std-row .meta strong{color:#1f2937;font-weight:600}
.std-row .scope{margin-top:6px;font-size:13.5px;color:#1f2937}
.std-row details{margin-top:8px;font-size:13px;background:#f0f9f4;border-left:3px solid #16794a;border-radius:4px;padding:4px 10px 4px 12px}
.std-row details summary{cursor:pointer;font-weight:600;color:#16794a;padding:4px 0;user-select:none}
.std-row details ul{margin:4px 0 8px 18px;line-height:1.55}
.std-row details li{margin:4px 0}
footer{background:#fff;border-top:1px solid #e5e7eb;padding:22px 0 26px;margin-top:30px;font-size:13px;color:#6b7280}
footer .browse-link{display:inline-block;background:#eef3f8;color:#084773;padding:8px 16px;border-radius:6px;font-weight:600;margin-right:14px}
footer .browse-link:hover{background:#0e639c;color:#fff;text-decoration:none}
footer .disclaimer{font-size:12.5px;color:#6b7280;padding-top:12px;border-top:1px solid #f3f4f6;margin-top:14px;line-height:1.55}
@media (max-width:600px){
.hero h1{font-size:20px}
section.block{padding:16px 16px}
.container{padding:0 14px}
.fact{padding:11px 13px}
}