:root{color-scheme:light;--bg: #f8fafc;--surface: #ffffff;--text: #0f172a;--muted: #64748b;--border: #e2e8f0;--brand: #0f766e;--brand-soft: #ccfbf1}@media (prefers-color-scheme: dark){:root{color-scheme:dark;--bg: #020617;--surface: #0f172a;--text: #f1f5f9;--muted: #94a3b8;--border: #1e293b;--brand: #2dd4bf;--brand-soft: #134e4a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--brand)}:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.banner{background:#0f172a;color:#e2e8f0;text-align:center;font-size:13px;padding:6px 16px}.wrap{max-width:1120px;margin:0 auto;padding:0 16px}.hero{display:flex;gap:24px;align-items:flex-start;padding-top:48px;padding-bottom:16px}.hero 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400px;gap:20px;align-items:start}.browser,.device{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:0 16px 40px #0f172a1a;position:relative}.browser-bar,.device-bar{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--border);background:var(--bg)}.dots{display:flex;gap:5px}.dots i{width:10px;height:10px;border-radius:50%;background:var(--border)}.url{flex:1;font-size:13px;color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:3px 12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}article{padding:24px 28px 28px;font-family:Georgia,Times New Roman,serif;font-size:17px;line-height:1.7}article h3{font-family:inherit;font-size:28px;margin:0 0 12px;line-height:1.2}article .kicker{font-family:ui-sans-serif,system-ui,sans-serif;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:0}article .hint{font-family:ui-sans-serif,system-ui,sans-serif;font-size:13px;color:var(--muted)}article ::selection{background:#99f6e4;color:#0f172a}.ctxmenu{position:absolute;z-index:5;min-width:230px;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:0 10px 30px #0000002e;padding:4px;display:flex;flex-direction:column}.ctxmenu button,.floating{display:flex;align-items:center;gap:8px;border:0;background:transparent;color:var(--text);padding:7px 10px;border-radius:6px;text-align:left;font:14px system-ui,sans-serif;cursor:pointer}.ctxmenu button:hover,.ctxmenu button:focus{background:var(--brand-soft)}.floating{position:absolute;z-index:4;background:var(--brand);color:#fff;font-weight:650;box-shadow:0 6px 18px #0f766e59}.page-toast{position:absolute;right:16px;bottom:16px;background:#0f766e;color:#fff;font:600 14px system-ui,sans-serif;padding:9px 14px;border-radius:10px;box-shadow:0 8px 24px #00000040}.page-toast.error{background:#b91c1c}.tabs{display:flex;gap:2px;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:2px}.tabs button{border:0;background:transparent;color:var(--muted);border-radius:6px;padding:4px 10px;font-size:13px;font-weight:600;cursor:pointer}.tabs button[aria-selected=true]{background:var(--brand);color:#fff}.lang select{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:3px 6px;font-size:13px}.link{margin-left:auto;border:0;background:none;color:var(--brand);font-weight:600;font-size:13px;cursor:pointer}iframe{width:100%;height:580px;border:0;display:block;background:var(--surface)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px}.card h3{margin:8px 0 4px;font-size:16px}.card p{margin:0;color:var(--muted);font-size:15px}.ic{width:36px;height:36px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:800}table.plain{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}.plain th,.plain td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}.plain th{color:var(--muted);font-size:13px}.arch{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:12px}.box{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px}.box h3{margin:0 0 4px;font-size:16px}.box p{margin:0 0 8px;color:var(--muted);font-size:14px}.box code{font-size:12px}.box.core{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.arrow{align-self:center;color:var(--muted);font-size:22px}.facts{margin:18px 0 0;padding-left:20px;color:var(--muted)}.facts strong{color:var(--text)}footer{padding:24px 16px 56px;color:var(--muted);font-size:14px;border-top:1px solid var(--border)}@media (max-width: 900px){.demo,.arch{grid-template-columns:1fr}.arrow{transform:rotate(90deg);justify-self:center}.hero{flex-direction:column}}