:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#fbfbfd;--surface:#fff;--border:#e7e8ec;--text:#1d1d1f;--muted:#6b7280;--accent:#2563eb;color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--bg);margin:0;line-height:1.55}.container{width:100%;max-width:720px;margin:0 auto;padding:0 24px}.site-header{z-index:10;-webkit-backdrop-filter:saturate(180%)blur(12px);backdrop-filter:saturate(180%)blur(12px);border-bottom:1px solid var(--border);background:#ffffffd9;position:sticky;top:0}.site-header__inner{justify-content:space-between;align-items:center;gap:16px;height:60px;display:flex}.brand{color:var(--text);align-items:center;gap:10px;font-size:17px;font-weight:700;text-decoration:none;display:inline-flex}.brand__mark{background:var(--text);color:#fff;letter-spacing:.06em;text-transform:uppercase;border-radius:7px;justify-content:center;align-items:center;height:26px;padding:0 9px;font-size:12px;display:inline-flex}.nav{gap:4px;display:flex}.nav__link{color:var(--muted);border-radius:8px;padding:6px 12px;font-size:14px;font-weight:600;text-decoration:none}.nav__link:hover{color:var(--text);background:#f1f2f4}.nav__link[aria-current=page]{background:var(--text);color:#fff}.main{padding-top:40px;padding-bottom:64px}.lead{color:var(--muted);margin:0 0 24px;font-size:17px}.lead a{color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px 28px 32px;box-shadow:0 1px 2px #0000000a}.card h2{margin:0 0 12px;font-size:20px}.card p{margin:0 0 14px}input,select{width:100%;max-width:320px;font:inherit;border:1px solid var(--border);background:#fff;border-radius:8px;margin:10px 0;padding:9px 12px;display:block}button{font:inherit;border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:8px;padding:9px 16px;font-weight:600}button:hover{background:#f6f7f9}.site-footer{border-top:1px solid var(--border);color:var(--muted);padding:24px 0;font-size:14px}.site-footer .container{align-items:center;gap:10px;display:flex}.site-footer a{color:var(--accent);text-decoration:none}.low-contrast{color:#c9ccd1}.icon-button{background:#fff;border:1px solid #d1d5db;border-radius:8px;width:36px;height:36px;padding:0}.demo-dialog{background:var(--surface);border:1px solid var(--border);border-radius:12px;gap:12px;max-width:360px;margin-top:16px;padding:20px;display:grid;box-shadow:0 8px 24px #0000001a}