/*
Theme Name: Tuqi Grow B2B
Description: B2B catalog and inquiry theme for indoor grow ventilation products.
*/
:root{--ink:#12201b;--muted:#5d6f67;--brand:#1f8a5b;--brand-dark:#12633f;--paper:#f4f8f5;--card:#ffffff;--line:#dfe8e2;--gold:#d9a441;--shadow:0 18px 45px rgba(18,32,27,.10);--radius:22px;--max:1180px}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.55}a{color:inherit}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:26px;justify-content:space-between;padding:14px max(22px,calc((100vw - 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