:root{--bg:#0e0f13;--bg2:#16181f;--panel:#1b1e27;--panel2:#222634;--line:#2c3142;--ink:#f2f3f7;--sub:#a7adbe;--muted:#6f7689;--red:#e23b4e;--red2:#ff5a6e;--gold:#f2c14e;--gold2:#ffd479;--blue:#5aa9ff;--green:#4ad295;--radius:14px;--maxw:1080px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:radial-gradient(1200px 600px at 70% -10%,rgba(226,59,78,.18),transparent 60%),var(--bg);color:var(--ink);font-family:PingFang SC,Microsoft YaHei,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}.container{padding:32px 0 80px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:rgba(14,15,19,.82);border-bottom:1px solid var(--line)}.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 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0 10px}@media(max-width:860px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:32px}}@media(max-width:560px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.nav-links{display:none}.share-channels{grid-template-columns:repeat(3,1fr)}.share-qr-wrap{padding:14px}.share-qr{width:100%;height:auto;max-width:280px;margin:0 auto}.share-cta{padding:14px}.share-cta-btn{font-size:16px;padding:14px 20px}}