.adsphere-shell{padding:32px 0;background:#f7f8fb;min-height:60vh}.adsphere-container{max-width:1100px;margin:0 auto;padding:0 20px}.adsphere-hero{margin:0 0 22px}.adsphere-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.adsphere-card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,.05)}.adsphere-card-single{max-width:860px}.adsphere-meta{color:#6b7280;font-size:14px;margin:10px 0}