:root{--bg:#0b0b0d;--deep:#08080a;--s1:#111114;--s2:#17171b;--s3:#1f1f24;--red:#e53935;--red2:#ff4d4f;--text:#fff;--sub:#d6d6da;--muted:#9d9da5;--border:rgba(255,255,255,.10);--shadow:0 14px 34px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{margin:0;min-height:100%;overflow-x:hidden;overflow-y:auto;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif}body{line-height:1.78}a{color:inherit;text-decoration:none}img{max-width:100%}button{font:inherit}.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(8,8,10,.92);backdrop-filter:blur(12px);box-shadow:0 8px 24px rgba(0,0,0,.22);border-bottom:1px solid rgba(255,255,255,.06)}.header-inner{max-width:1280px;margin:0 auto;min-height:72px;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand-logo{display:inline-flex;align-items:center;flex:0 0 auto}.brand-logo img{display:block;width:auto;height:42px;object-fit:contain}.desktop-nav{display:flex;align-items:center;justify-content:center;gap:22px;white-space:nowrap;flex:1}.desktop-nav 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@media(max-width:430px){.header-cta{padding:0 10px;font-size:12px}.brand-logo img{height:30px}.quick-grid{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.footer-brand{grid-column:auto}.site-drawer{padding:18px}.hero-copy h1{font-size:48px}}