:root{--blue:#0865e8;--blue-dark:#074fc1;--ink:#152640;--muted:#58677c;--line:#e1e6ee;--paper:#fff;--soft:#f6f8fc;--gold:#ffda4e;--radius:18px;--width:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none;touch-action:manipulation}a:hover{color:var(--blue-dark)}a:focus-visible,summary:focus-visible{outline:3px solid #b97804;outline-offset:5px;border-radius:4px}img{max-width:100%;object-fit:contain}svg{width:22px;height:22px;flex-shrink:0;vertical-align:middle}.container{width:calc(100% - 80px);max-width:var(--width);margin-inline:auto}.skip-link{position:absolute;top:-120px;left:20px;padding:10px 18px;background:white;z-index:5}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid var(--line);background:#fff}.nav-bar{display:flex;align-items:center;justify-content:space-between;min-height:90px;gap:30px}.brand{display:inline-flex;align-items:center;min-height:44px}.brand img{display:block;width:142px;height:40px}nav{display:flex;gap:36px;align-items:center}nav a{display:inline-flex;min-height:44px;align-items:center;color:var(--muted);font-size:15px;font-weight:500}nav a[aria-current]{color:var(--blue);font-weight:700}.nav-download{background:var(--blue);color:white!important;border-radius:8px;padding:8px 20px}nav .nav-download:hover{background:var(--blue-dark)}.eyebrow{display:block;font-size:12px;letter-spacing:1.8px;font-weight:650;color:var(--blue);line-height:1.6}.pill{display:inline-block;background:#eef4ff;padding:8px 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