:root{--ink:#14233d;--ink-2:#1d3152;--muted:#74829a;--line:#e7ebf3;--paper:#fff;--canvas:#f5f7fb;--violet:#7056e9;--violet-2:#eeeaff;--mint:#20b9a6;--mint-2:#e4fbf6;--amber:#e99a3d;--shadow:0 18px 50px rgba(29,52,89,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--canvas);color:var(--ink);font-family:Inter,"Microsoft YaHei",Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.site-shell{min-height:100vh}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(5%,calc((100% - 1220px)/2));background:rgba(255,255,255,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.02em}.brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,var(--violet),#2ac9b7);box-shadow:0 8px 18px #7056e93d}.nav-links{display:flex;align-items:center;gap:25px;color:var(--muted);font-size:13px}.nav-links a:hover,.nav-links a.active{color:var(--violet);font-weight:800}.button{border:0;border-radius:10px;padding:11px 17px;font-size:13px;font-weight:800;transition:transform .18s,box-shadow .18s}.button:hover{transform:translateY(-2px);box-shadow:0 9px 20px #23375c1c}.button-primary{color:#fff;background:var(--ink)}.button-violet{color:#fff;background:var(--violet)}.button-light{color:var(--violet);background:var(--violet-2)}.button-mint{color:#117b70;background:var(--mint-2)}.container{max-width:1220px;margin:auto;padding:0 5%}.hero{padding:82px 0 92px;background:radial-gradient(circle at 83% 12%,#b9fff1 0,transparent 25%),linear-gradient(135deg,#edeaff 0,#f9fbff 52%,#e7fff9 100%);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:52px;align-items:center}.eyebrow,.section-label{font-size:11px;letter-spacing:.19em;font-weight:900;color:var(--violet)}.hero h1{font-size:clamp(40px,5.3vw,70px);line-height:1.06;letter-spacing:-.05em;margin:16px 0 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