.sgai-xhub{box-sizing:border-box;width:100%;max-width:1180px;margin:34px auto;padding:28px;background:#fff;border-top:5px solid #111;border-bottom:1px solid #ddd;font-family:Arial,Helvetica,sans-serif}.sgai-xhub *{box-sizing:border-box}.sgai-xhub-head{text-align:center;max-width:760px;margin:0 auto 22px}.sgai-xhub-kicker{display:inline-block;background:#111;color:#fff;font-size:11px;font-weight:800;padding:5px 9px;transform:skew(-8deg)}.sgai-xhub h2{font-size:30px;line-height:1.05;margin:10px 0 7px;text-transform:uppercase}.sgai-xhub-head p{margin:0;color:#555}.sgai-xhub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.sgai-xhub-card{position:relative;border:1px solid #e3e3e3;padding:20px;background:#fafafa;min-width:0}.sgai-xhub-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#111;color:#fff;font-size:21px;float:left;margin-right:12px}.sgai-xhub-name{font-size:18px;font-weight:800;padding-top:2px}.sgai-xhub-handle{font-size:13px;color:#666;margin-top:3px}.sgai-xhub-actions{display:flex;gap:8px;clear:both;padding-top:17px;flex-wrap:wrap}.sgai-xhub-btn,.sgai-xhub-share a{display:inline-block;text-decoration:none!important;font-weight:800;font-size:12px;padding:10px 14px;border:1px solid #111;color:#111!important;background:#fff}.sgai-xhub-btn.primary,.sgai-xhub-share a{background:#111;color:#fff!important}.sgai-xhub-load{margin-top:14px;border:0;background:none;text-decoration:underline;cursor:pointer;font-size:12px;padding:4px 0}.sgai-xhub-timeline{margin-top:10px;overflow:hidden}.sgai-xhub-share{text-align:center;margin-top:20px}.sgai-xhub-brand{text-align:center;color:#999;font-size:10px;margin-top:14px}.sgai-xhub-article{margin-top:36px;margin-bottom:28px;padding:22px}.sgai-xhub-article h2{font-size:24px}.sgai-xhub-article .sgai-xhub-card{padding:16px}@media(max-width:700px){.sgai-xhub{margin:22px 0;padding:20px 14px}.sgai-xhub-grid{grid-template-columns:1fr}.sgai-xhub h2{font-size:23px}.sgai-xhub-head p{font-size:13px}.sgai-xhub-actions{display:grid;grid-template-columns:1fr 1fr}.sgai-xhub-btn{text-align:center}.sgai-xhub-card{padding:16px}}
/* v1.2 compact inner-article treatment */
.sgai-xhub-article{margin:26px 0 30px;padding:18px 20px;border:1px solid #e3e3e3;background:#fff;clear:both}
.sgai-xhub-article .sgai-xhub-head{margin-bottom:14px}
.sgai-xhub-article .sgai-xhub-head h2{font-size:22px;line-height:1.15;margin:4px 0 6px}
.sgai-xhub-article .sgai-xhub-head p{margin:0;font-size:14px;line-height:1.45}
.sgai-xhub-article .sgai-xhub-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.sgai-xhub-article .sgai-xhub-card{padding:12px}
.sgai-xhub-article .sgai-xhub-load,.sgai-xhub-article .sgai-xhub-timeline{display:none!important}
.sgai-xhub-article .sgai-xhub-share{margin-top:12px}
@media(max-width:600px){.sgai-xhub-article{padding:15px;margin:22px 0}.sgai-xhub-article .sgai-xhub-grid{grid-template-columns:1fr}.sgai-xhub-article .sgai-xhub-actions{display:flex;flex-wrap:wrap;gap:7px}}
/* v1.4 mobile visibility and touch-safe layout */
@media(max-width:782px){
 .sgai-xhub-article{display:block!important;visibility:visible!important;opacity:1!important;position:relative!important;float:none!important;clear:both!important;width:100%!important;max-width:100%!important;height:auto!important;overflow:visible!important;z-index:1}
 .sgai-xhub-article .sgai-xhub-grid{display:grid!important;grid-template-columns:1fr!important}
 .sgai-xhub-article .sgai-xhub-actions{display:grid!important;grid-template-columns:1fr 1fr!important;width:100%}
 .sgai-xhub-article .sgai-xhub-btn,.sgai-xhub-article .sgai-xhub-share a{min-height:44px;display:flex!important;align-items:center;justify-content:center;text-align:center}
}