:root{--bg:#f7f9f9;--surface:#fff;--surface2:#eef7f7;--line:#e0e2e7;--line2:#eef0f2;--fg:#14161b;--fg2:#3d4350;--muted:#667085;--faint:#a3a9b6;--accent:#0f8188;--accent-deep:#0c676d;--accent-soft:#cfe6e7;--accent-ink:#fff;--good:#079455;--good-soft:#ecfdf3;--good-line:#b7e4cc;--warn:#c25e04;--warn-soft:#fffaeb;--warn-line:#f3d9a8;--bad:#d92d20;--bad-soft:#fef3f2;--bad-line:#fecdca;--pink:#c8396f;--pink-soft:#fdf0f5;--pink-line:#f6cfe0;--blue:#2f6fd6;--blue-soft:#eef4fe;--violet:#7a4fd0;--violet-soft:#f4effd;--sch:#dc0000;--user-bub:#14161b;--user-ink:#fff;--shadow:0 12px 32px -18px #0c3c4059;--font:"Inter","Inter Fallback",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;--r:12px}@media 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button{appearance:none;color:var(--muted);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:7px;padding:6px 11px;font-size:13px;font-weight:600}.persona button.on{background:var(--surface);color:var(--accent-deep);box-shadow:0 1px 3px #00000014}.langsel{appearance:none;font:inherit;color:var(--fg2);background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 width=%2710%27 height=%276%27%3E%3Cpath d=%27M1 1l4 4 4-4%27 fill=%27none%27 stroke=%27%23667085%27 stroke-width=%271.5%27/%3E%3C/svg%3E") no-repeat right 9px center;cursor:pointer;border-radius:8px;padding:6px 26px 6px 10px;font-size:13px}.langsel,.pill{border:1px solid var(--line);font-weight:600}.pill{color:var(--muted);white-space:nowrap;border-radius:999px;padding:3px 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.h1{font-size:26px}.kpis{flex-wrap:wrap;gap:10px;display:flex}.kpi{border:1px solid var(--line);color:var(--muted);background:var(--surface);border-radius:10px;padding:8px 12px;font-size:12.5px}.kpi b{color:var(--fg);font-variant-numeric:tabular-nums;font-size:18px;display:block}.why{color:var(--fg2);background:var(--surface2);border:1px solid var(--accent-soft);border-radius:10px;padding:12px 14px;font-size:14px}.why b{color:var(--accent-deep)}.pmod{padding:0;overflow:hidden}.pmod summary{cursor:pointer;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:14px;padding:14px 16px;list-style:none;display:grid}.pmod summary::-webkit-details-marker{display:none}.pmod .chev{color:var(--muted);transition:transform .2s}.pmod[open] .chev{transform:rotate(90deg)}.pmod .lessons{border-top:1px solid var(--line2);flex-direction:column;padding:6px 16px 14px 70px;display:flex}@media (width<=560px){.pmod .lessons{padding-left:16px}}.lesson{border-bottom:1px dashed 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var(--accent-soft);border-radius:10px;align-items:center;gap:7px;padding:7px 12px;font-size:13px;font-weight:600;display:inline-flex}.chip b,.ent span b{font-weight:800}.ent{border-top:1px dashed var(--line);flex-wrap:wrap;gap:14px;margin-top:18px;padding-top:14px;display:flex}.ent span{color:var(--muted);font-size:12px;font-weight:600}.ent span b{color:var(--accent-deep)}.srcline{color:var(--faint);margin-top:12px;font-size:12px}.step-label{color:var(--muted);justify-content:space-between;margin-bottom:14px;font-size:12.5px;font-weight:700}.step-label,.step-label .l{align-items:center;gap:8px;display:flex}.step-label .dot{background:var(--accent);border-radius:50%;width:6px;height:6px}.feed{flex-direction:column;gap:14px;min-height:220px}.feed,.trow{display:flex}.trow{align-items:flex-start;gap:12px;animation:.45s both rise}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.tava{background:linear-gradient(150deg,var(--accent),var(--accent-deep));border-radius:12px;flex:0 0 40px;place-items:center;width:40px;height:40px;display:grid}.bubble{background:var(--surface2);border:1px solid var(--accent-soft);color:var(--fg2);border-radius:6px 16px 16px;max-width:90%;padding:12px 15px;font-size:15px}.bubble b,.bubble strong{color:var(--fg)}.q{letter-spacing:-.01em;margin:4px 2px 2px;font-size:17.5px;font-weight:600;line-height:1.3}.opts{flex-direction:column;gap:9px}.opt,.opts{display:flex}.opt{appearance:none;text-align:left;background:var(--surface);border:1.5px solid var(--line);cursor:pointer;border-radius:12px;align-items:flex-start;gap:11px;padding:13px 15px;font-size:15px;font-weight:500;transition:border-color .15s,background .15s;animation:.4s both rise}.opt:hover:not([disabled]){border-color:var(--accent);background:var(--surface2)}.opt[disabled]{cursor:default}.opt 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