:root{--ovs-primary:#2563eb;--ovs-border:#e5e7eb;--ovs-bg:#f6f7fb;--ovs-surface:#fff;--ovs-text:#111827}body{background:var(--ovs-bg);color:var(--ovs-text)}.ovs-single-listing{max-width:760px;margin:0 auto;padding:24px}