:root{--bg-dark:#000;--bg-light:#f5f5f7;--text-primary:#1d1d1f;--text-secondary:#6e6e73;--text-on-dark:#f5f5f7;--accent:#2997ff;--nav-height:44px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-dark);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Helvetica Neue,PingFang SC,Microsoft YaHei,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}nav{z-index:100;height:var(--nav-height);-webkit-backdrop-filter:saturate(180%)blur(20px);background:#000000b8;border-bottom:1px solid #ffffff14;justify-content:center;align-items:center;display:flex;position:fixed;top:0;left:0;right:0}.nav-inner{justify-content:space-between;align-items:center;width:100%;max-width:980px;padding:0 22px;display:flex}.nav-logo{color:var(--text-on-dark);letter-spacing:-.02em;font-size:17px;font-weight:600}.nav-links{gap:28px;list-style:none;display:flex}.nav-links a{color:#f5f5f7cc;font-size:12px;transition:color .2s}.nav-links a:hover{color:#fff}.nav-toggle{cursor:pointer;background:0 0;border:none;padding:4px;display:none}.nav-toggle span{background:#fff;width:18px;height:1px;margin:5px 0;transition:transform .3s,opacity .3s;display:block}.hero{text-align:center;min-height:100vh;padding:calc(var(--nav-height) + 40px) 22px 80px;background:var(--bg-dark);flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background:radial-gradient(80% 60% at 50% 0,#2997ff26 0%,#0000 70%),radial-gradient(60% 50% at 80% 80%,#7850ff1a 0%,#0000 60%);position:absolute;inset:0}.hero-content{z-index:1;position:relative}.hero-eyebrow{color:var(--accent);letter-spacing:.01em;margin-bottom:8px;font-size:21px;font-weight:400}.hero 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