:root{color-scheme:light;--ink: #0A2472;--ink-2: #1B3A9E;--ink-3: #071A54;--ink-deep: #05123B;--accent: #EA5A0C;--accent-2: #FF7A2E;--accent-tx: #AD3606;--on-accent: #2A1206;--accent-deep:#AB3405;--accent-soft:#FFF1E6;--accent-line:rgba(234,90,12,.28);--support: #07717C;--support-tx: #065E68;--support-soft:#E7F5F6;--warn: #B45309;--paper: #FFFFFF;--bg: #FCFBF8;--bg-2: #F5F2EC;--bg-3: #FFFFFF;--band: #F1EDE4;--surface: rgba(255,255,255,.94);--surface-2: rgba(255,255,255,.68);--surface-solid: #FFFFFF;--surface-sunk: rgba(10,36,114,.045);--surface-glass: rgba(255,255,255,.82);--nav-stuck: rgba(255,255,255,.94);--tx: #0F1E42;--tx-soft: #46557A;--tx-faint: #5C6A8C;--line: rgba(10,36,114,.13);--line-2: rgba(10,36,114,.22);--hairline: rgba(10,36,114,.075);--on-dark-tx: #F2F5FF;--on-dark-soft: #B9C4E4;--on-dark-faint: #8D9BC4;--on-dark-line: rgba(255,255,255,.14);--on-dark-surface: rgba(255,255,255,.06);--glow-cool: rgba(27,58,158,.1);--glow-warm: rgba(234,90,12,.16);--glow-accent: rgba(234,90,12,.2);--shadow-xs: 0 1px 2px rgba(10,36,114,.06);--shadow-card: 0 1px 2px rgba(10,36,114,.05), 0 10px 26px -14px rgba(10,36,114,.18);--shadow-cell: 0 1px 2px rgba(10,36,114,.05), 0 8px 22px -14px rgba(10,36,114,.16);--shadow-lift: 0 26px 60px -26px rgba(10,36,114,.28);--shadow-photo: 0 22px 44px -22px rgba(10,36,114,.34);--shadow-accent:0 14px 34px -12px rgba(234,90,12,.48);--grain-opacity: .03;--grain-blend: multiply;--scrim: rgba(252,251,248,.97);--grad-a: #0A2472;--grad-b: #1B3A9E;--grad-c: #C2410C;--grad-d: #EA5A0C;--r-sm: 10px;--r-md: 16px;--r-lg: 24px;--r-xl: 34px;--r-pill: 999px;--ease: cubic-bezier(.22,.61,.36,1);--ease-out: cubic-bezier(.16,1,.3,1);--ease-in-out: cubic-bezier(.65,0,.35,1);--d-xs: .18s;--d-sm: .32s;--d-md: .52s;--d-lg: .76s;--maxw: 1180px;--maxw-wide: 1340px;--pad: clamp(20px, 5vw, 48px);--section-y: clamp(80px, 10vw, 132px);--font-d: "Sora", "Plus Jakarta Sans", system-ui, sans-serif;--font-b: "Plus Jakarta Sans", system-ui, -apple-system, 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var(--tx-soft);--tx-ink-faint: var(--tx-faint);--line-ink: var(--line);--line-ink-2: var(--line-2);--shadow-ink: var(--shadow-card);--shadow-ink-lift: var(--shadow-lift);--panel-glass: var(--surface-glass);--parchment: var(--band);--parchment-2: var(--bg-2)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}html,body{margin:0;padding:0;background:var(--bg);color:var(--tx);font-family:var(--font-b);font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:clip}body.is-locked{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}::selection{background:var(--marigold);color:#1a1206}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}.on-dark 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li:nth-child(5){transition-delay:.28s}.aud-points .tick{flex:none;width:22px;height:22px;border-radius:50%;margin-top:1px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-tx)}.aud-points .aud-stat{flex-direction:column;gap:4px;background:var(--ink);padding:20px}.aud-stat .n{font-family:var(--font-d);font-size:26px;font-weight:800;letter-spacing:-.03em;color:var(--accent-2)}.aud-stat .l{font-family:var(--font-m);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#f2f5ff9e}.subjects{padding:var(--section-y) 0}.subj-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:clamp(24px,4vw,60px);align-items:end;margin-bottom:clamp(36px,4.5vw,54px)}.subj-shell{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(20px,2.6vw,32px);align-items:start}.subj-rail{display:grid;gap:10px}.subj-tab{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;width:100%;padding:18px 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h3{font-size:19px;color:var(--ink)}.doubt-try>p{margin-top:7px;font-size:13.8px;line-height:1.55;color:var(--tx-soft)}.doubt-box{margin-top:18px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--bg);overflow:hidden;transition:border-color var(--d-sm),box-shadow var(--d-sm)}.doubt-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px #ea5a0c1f}.doubt-subjects{display:flex;flex-wrap:wrap;gap:7px;padding:14px 14px 0}.chip{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:9px 14px 9px 10px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface-solid);font-size:12.5px;font-weight:600;color:var(--tx-soft);transition:border-color var(--d-sm),color var(--d-sm),background var(--d-sm),transform var(--d-sm) var(--ease-out)}.chip 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