:root{--blue:#2563eb;--blue2:#1d4ed8;--ink:#0f172a;--muted:#64748b;--bg:#f8fafc;--line:#e2e8f0;--card:#fff;--sidebar:280px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}.docs-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:#fff;border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 20px}.brand-mark{width:43px;height:43px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),#0f172a);color:#fff;font-weight:800}.brand span:last-child{display:flex;flex-direction:column}.brand small{color:var(--muted);font-size:11px;margin-top:2px}.search-wrap{position:relative;margin-bottom:14px}.search-wrap i{position:absolute;left:13px;top:12px;color:#94a3b8}.search-wrap 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0}.plan-grid span{font-size:13px;color:var(--muted)}.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:10px 0}.faq summary{font-weight:700;cursor:pointer}.footer{max-width:1050px;margin:auto;padding:25px 42px;color:#94a3b8;font-size:12px;border-top:1px solid var(--line)}#overlay{display:none}@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:none}.main{margin-left:0}.topbar{padding:0 18px}.topbar button{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:10px;margin-right:12px}.article{padding:32px 18px 60px}.hero{padding:28px 22px}.card-grid{grid-template-columns:repeat(2,1fr)}.feature-table{grid-template-columns:1fr}.plan-grid{grid-template-columns:1fr}.app-link{font-size:0!important}.app-link i{font-size:14px}#overlay.show{display:block;position:fixed;inset:0;background:rgba(15,23,42,.35);z-index:15}}@media(max-width:520px){.card-grid{grid-template-columns:1fr}.article h1{font-size:2.15rem}}