/* ===== GB Article UI v2 ===== */
.colhead{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:30px 0 4px}
.colhead .sec{margin:0}
.colall{font-size:.82rem;font-weight:700;white-space:nowrap;color:inherit;opacity:.72;text-decoration:none}
.colall:hover{opacity:1}
.coldesc{color:var(--mut,#6b7280);font-size:.86rem;line-height:1.6;margin:6px 0 12px;max-width:760px}
.agrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(228px,1fr));gap:16px;margin-top:10px}
.agrid-lg{grid-template-columns:repeat(auto-fill,minmax(276px,1fr))}
.acard{display:flex;flex-direction:column;background:var(--card,#fff);border:1px solid var(--bd,rgba(0,0,0,.1));border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.acard:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.12)}
.acard-i{display:block;aspect-ratio:16/10;overflow:hidden;background:rgba(128,128,128,.08)}
.acard-i img{width:100%;height:100%;object-fit:cover;display:block}
.acard-b{display:block;padding:12px 14px 14px}
.acard-c{font-style:normal;font-size:.66rem;letter-spacing:.07em;text-transform:uppercase;font-weight:800;opacity:.62;display:block;margin-bottom:6px}
.acard-b b{display:block;font-size:.97rem;line-height:1.42}
.acard-b p{font-size:.81rem;line-height:1.6;color:var(--mut,#6b7280);margin-top:6px}
.acard-m{display:block;font-size:.71rem;color:var(--mut,#9ca3af);margin-top:9px}
.alist{display:flex;flex-direction:column}
.arow{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px dashed rgba(128,128,128,.26);text-decoration:none;color:inherit}
.arow:last-child{border-bottom:0}
.arow img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.arow b{display:block;font-size:.82rem;line-height:1.35}
.arow i{display:block;font-style:normal;font-size:.71rem;opacity:.68;margin-top:2px}
.colhero{padding:24px 0 8px;border-bottom:1px solid var(--bd,rgba(0,0,0,.1));margin-bottom:10px}
.colhero h1{font-size:1.85rem;line-height:1.2}
.colhero p{color:var(--mut,#6b7280);margin-top:8px;max-width:820px;line-height:1.7}
.colcount{display:inline-block;margin-top:10px;font-size:.73rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;opacity:.58}
.apage{margin:26px 0 10px}
.apage ul{display:flex;gap:6px;list-style:none;flex-wrap:wrap;padding:0;margin:0}
.apage a,.apage span{display:inline-block;padding:7px 12px;border:1px solid var(--bd,rgba(0,0,0,.15));border-radius:8px;text-decoration:none;color:inherit;font-size:.85rem}
.apage span.current{font-weight:800;background:rgba(128,128,128,.14)}
.art-h{margin:14px 0 0}
.art-tag{display:inline-block;font-size:.71rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;text-decoration:none;color:inherit;opacity:.68;margin-bottom:10px}
.art-h h1{font-size:1.95rem;line-height:1.26}
.art-sub{color:var(--mut,#6b7280);font-size:1rem;line-height:1.65;margin-top:10px}
.art-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.77rem;color:var(--mut,#9ca3af);margin-top:14px;padding-bottom:14px;border-bottom:1px solid var(--bd,rgba(0,0,0,.1))}
.art-fig{margin:18px 0 6px;border-radius:14px;overflow:hidden}
.art-fig img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover}
.art-body{font-size:1.02rem;line-height:1.78}
.art-body h2{font-size:1.3rem;line-height:1.35;margin:30px 0 10px;scroll-margin-top:80px}
.art-body h3{font-size:1.07rem;margin:22px 0 8px;scroll-margin-top:80px}
.art-body p{margin:0 0 14px}
.art-body ul,.art-body ol{margin:0 0 16px 22px}
.art-body li{margin-bottom:7px}
.art-body table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.9rem}
.art-body th,.art-body td{border:1px solid var(--bd,rgba(0,0,0,.14));padding:9px 11px;text-align:left;vertical-align:top}
.art-body th{background:rgba(128,128,128,.09);font-weight:700}
.art-body blockquote{margin:16px 0;padding:12px 16px;border-left:3px solid currentColor;background:rgba(128,128,128,.07);font-style:italic}
.art-body a{text-decoration:underline;text-underline-offset:2px}
.artoc{background:rgba(128,128,128,.07);border:1px solid var(--bd,rgba(0,0,0,.1));border-radius:12px;padding:14px 18px;margin:0 0 22px}
.artoc b{display:block;font-size:.77rem;letter-spacing:.06em;text-transform:uppercase;opacity:.62;margin-bottom:8px}
.artoc ol{margin:0 0 0 18px;font-size:.9rem;line-height:1.7}
.artoc a{color:inherit;text-decoration:none}
.artoc a:hover{text-decoration:underline}
.art-faq{margin-top:30px;border-top:1px solid var(--bd,rgba(0,0,0,.1));padding-top:8px}
.faq-i{border-bottom:1px solid var(--bd,rgba(0,0,0,.1));padding:10px 0}
.faq-i summary{cursor:pointer;font-weight:700;font-size:.97rem}
.faq-i p{margin:8px 0 2px;font-size:.93rem;line-height:1.7;color:var(--mut,#4b5563)}
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;align-items:start;margin-top:8px}
.art-side{position:sticky;top:20px}
.art-pn{display:flex;gap:14px;margin:26px 0 10px;flex-wrap:wrap}
.art-pn .pn{flex:1 1 240px;display:block;border:1px solid var(--bd,rgba(0,0,0,.12));border-radius:12px;padding:12px 14px;text-decoration:none;color:inherit;font-size:.85rem;line-height:1.45}
.art-pn .pn-r{text-align:right}
.colblocks{margin-top:8px}
@media(max-width:900px){.art-grid{grid-template-columns:1fr}.art-side{position:static}.art-h h1{font-size:1.5rem}.agrid{grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}.acard-b{padding:10px 11px 12px}.acard-b b{font-size:.9rem}.acard-b p{display:none}}