:root{--ink:#17110f;--bg:#ffffff;--muted:#6b7280;--line:#ececec;--accent:#e11d48;--accent-dark:#be123c;--hot:#ffdd00;--sale:#e11d48;--soft:#fff5f7;--radius:14px;--wrap:1200px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.4}a{color:inherit;text-decoration:none}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:20px;height:64px}.logo{font-weight:900;font-size:26px;letter-spacing:-.5px;color:var(--accent)}.logo span{color:var(--ink)}.header-usp{margin-left:auto;font-size:14px;color:var(--muted)}.hero{padding:28px 0 8px}.hero h1{font-size:34px;font-weight:900;margin:0 0 6px;letter-spacing:-.5px}.hero p{margin:0;color:var(--muted);font-size:16px}.hero .trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.chip{font-size:13px;font-weight:700;padding:6px 12px;border-radius:999px;background:var(--soft);color:var(--accent-dark)}.grid{display:grid;grid-gap:18px;gap:18px;margin:22px 0 40px;grid-template-columns:repeat(4,1fr)}@media (max-width:980px){.grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:720px){.grid{grid-template-columns:repeat(2,1fr)}}.site-footer{border-top:1px solid var(--line);padding:28px 0;margin-top:20px}.site-footer p{margin:4px 0}.muted{color:var(--muted);font-size:13px}