/* inner pages · Stage C */
.page-hero{padding:52px 0 44px}
.page-hero--slim{padding:46px 0 38px}
.band-sub{margin:10px 0 0;font-size:15px;color:rgba(255,255,255,.82);max-width:44em;line-height:1.7}
.band-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.band-chips span{font-size:12.5px;padding:5px 12px;border-radius:var(--radius-pill);background:rgba(255,255,255,.14);color:#fff}

.page-sec{padding:64px 0}
.page-sec--alt{background:var(--color-surface-alt)}
.page-sec--tight{padding:44px 0}
.sec-head-sm{max-width:62em;margin-bottom:26px}
.sec-head-sm h2{font-size:clamp(22px,2.3vw,28px);margin:0 0 8px}
.sec-head-sm p{font-size:14.5px;color:var(--color-muted);margin:0}

.two-col{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}
.two-col--even{grid-template-columns:1fr 1fr;gap:40px}

.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.prod-card{display:flex;flex-direction:column;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .18s}
.prod-card:hover{border-color:var(--color-primary)}
.prod-card .thumb{aspect-ratio:4/3;background:var(--color-surface-alt);overflow:hidden}
.prod-card .thumb img{width:100%;height:100%;object-fit:cover}
.prod-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:6px}
.prod-card h3{font-size:16px;line-height:1.4}
.prod-card p{font-size:13px;color:var(--color-muted);line-height:1.65;margin:0}
.prod-card:hover h3{color:var(--color-primary)}
.prod-card .kinds{font-size:12px;color:var(--color-primary);font-weight:600}

.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{font-size:13.5px;padding:7px 16px;border:1px solid var(--color-line);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-body)}
.chip:hover,.chip.is-on{border-color:var(--color-primary);color:var(--color-primary)}

.group-title{display:flex;align-items:center;gap:12px;margin:38px 0 18px}
.group-title:first-of-type{margin-top:0}
.group-title h2{font-size:19px;margin:0}
.group-title span{font-size:12px;color:var(--color-muted);border-left:1px solid var(--color-line);padding-left:12px}

.prose{font-size:15.5px;line-height:1.85;color:var(--color-body)}
.prose h2{font-size:22px;margin:34px 0 12px;padding-left:12px;border-left:4px solid var(--color-primary)}
.prose h3{font-size:17px;margin:24px 0 8px}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:0;display:grid;gap:9px;list-style:none}
.prose ul li{position:relative;padding-left:20px}
.prose ul li::before{content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--color-primary)}
.prose ol{counter-reset:i}
.prose ol li{position:relative;padding-left:28px;counter-increment:i}
.prose ol li::before{content:counter(i);position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;background:var(--color-primary);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.prose blockquote{margin:20px 0;padding:16px 20px;background:var(--color-surface-alt);border-left:3px solid var(--color-primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:14.5px;color:var(--color-body)}
.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:16px 0;background:var(--color-surface)}
.prose th,.prose td{border:1px solid var(--color-line);padding:10px 13px;text-align:left;vertical-align:top}
.prose th{background:var(--color-surface-alt);color:var(--color-ink);font-weight:600;white-space:nowrap}
.prose img{border-radius:var(--radius-md);margin:18px 0}
.prose a{color:var(--color-primary)}

.spec-table{font-size:14px}
.spec-table th{color:var(--color-ink)}
.spec-table td:first-child{width:130px;color:var(--color-muted);background:var(--color-surface-alt)}

.side-card{position:sticky;top:92px;background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-md);padding:22px}
.side-card h3{font-size:16px;margin:0 0 6px}
.side-card>p{font-size:13px;color:var(--color-muted);margin:0 0 14px;line-height:1.65}
.side-card .btn{width:100%;margin-bottom:10px}
.side-line{display:flex;justify-content:space-between;gap:10px;font-size:13px;padding:8px 0;border-top:1px dashed var(--color-line);color:var(--color-muted)}
.side-line strong{color:var(--color-ink);font-weight:600}
.side-list{margin:18px 0 0;display:grid;gap:2px}
.side-list a{display:block;font-size:13.5px;padding:7px 0;border-top:1px solid var(--color-line);color:var(--color-body)}
.side-list a:hover{color:var(--color-primary)}

.link-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:28px}
.link-box{border:1px solid var(--color-line);border-radius:var(--radius-md);padding:16px 18px;background:var(--color-surface)}
.link-box small{display:block;font-size:12px;color:var(--color-muted);margin-bottom:4px}
.link-box strong{font-size:14.5px;color:var(--color-ink)}
.link-box:hover{border-color:var(--color-primary)}
.link-box:hover strong{color:var(--color-primary)}

.cta-strip{background:var(--color-ink);color:#fff;padding:44px 0}
.cta-strip .wrap{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-strip h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin:0 0 6px}
.cta-strip p{margin:0;font-size:14px;color:rgba(255,255,255,.72)}
.cta-strip .btn-ghost{border-color:rgba(255,255,255,.4);background:transparent;color:#fff}
.cta-strip .btn-ghost:hover{border-color:#fff;color:#fff}

.media-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}
.media-pair figure{margin:0}
.media-pair img{width:100%;border-radius:var(--radius-md);background:var(--color-surface-alt);display:block}
.media-pair figcaption{font-size:12.5px;color:var(--color-muted);margin-top:8px}
figure.article-cover{margin:0 0 26px}
figure.article-cover img{width:100%;border-radius:var(--radius-md);display:block}

.meta-line{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--color-muted);margin:0 0 22px;padding-bottom:16px;border-bottom:1px solid var(--color-line)}

.toc{background:var(--color-surface-alt);border-radius:var(--radius-md);padding:18px 22px;margin:0 0 26px}
.toc strong{display:block;font-size:13px;color:var(--color-ink);margin-bottom:8px}
.toc a{display:block;font-size:13.5px;color:var(--color-body);padding:4px 0}
.toc a:hover{color:var(--color-primary)}

.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.info-card{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-md);padding:22px}
.info-card h3{font-size:16px;margin:0 0 8px}
.info-card p{font-size:13.5px;color:var(--color-muted);margin:0 0 10px;line-height:1.7}
.info-card a{color:var(--color-primary);font-size:14px;font-weight:600}

.map-box{border:1px solid var(--color-line);border-radius:var(--radius-md);background:var(--color-surface-alt);padding:24px;font-size:14px;line-height:1.8;color:var(--color-body)}
.map-box strong{color:var(--color-ink)}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:34px;padding-top:20px;border-top:1px solid var(--color-line);font-size:14px}
.pager a{color:var(--color-body)}
.pager a:hover{color:var(--color-primary)}
.pager small{display:block;font-size:12px;color:var(--color-muted)}

@media (max-width:1024px){
  .two-col,.two-col--even{grid-template-columns:1fr;gap:28px}
  .side-card{position:static}
}
@media (max-width:768px){
  .page-hero{padding:34px 0 30px}
  .page-hero--slim{padding:30px 0 26px}
  .page-sec{padding:44px 0}
  .card-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
  .prose h2{font-size:19px}
  .media-pair,.link-row{grid-template-columns:1fr}
  .cta-strip{padding:32px 0}
}