@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/2c55a0e60120577a-s.03ez25a9g3i0n.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/9c72aa0f40e4eef8-s.p.3i9rha7jpxn0q.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/ad66f9afd8947f86-s.2o7ko1d-5m1xu.woff2)format("woff2");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/5476f68d60460930-s.1ee5w62fj497l.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/2bbe8d2671613f1f-s.p.1way2z9fj6cig.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/1bffadaabf893a1e-s.p.0szrwpqb9mkwe.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/83afe278b6a6bb3c-s.p.45535valc9rzk.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter Fallback;src:local(Arial);ascent-override:90.44%;descent-override:22.52%;line-gap-override:0.0%;size-adjust:107.12%}.inter_2e92f9ab-module__h6HAOW__className{font-family:Inter,Inter Fallback;font-style:normal}.inter_2e92f9ab-module__h6HAOW__variable{--font-inter:"Inter", "Inter Fallback"}
.LocaleSwitcher-module__67fYfW__wrap{position:relative}.LocaleSwitcher-module__67fYfW__wrap[data-pending]{opacity:.6}.LocaleSwitcher-module__67fYfW__trigger{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-surface);height:34px;color:var(--text-secondary);transition:border-color var(--t-fast), color var(--t-fast);align-items:center;gap:.35rem;padding-inline:.6rem;font-size:.85rem;font-weight:500;display:flex}.LocaleSwitcher-module__67fYfW__trigger:hover{border-color:var(--border-hover);color:var(--text-primary)}.LocaleSwitcher-module__67fYfW__trigger[aria-expanded=true]{border-color:var(--color-primary);color:var(--color-primary)}.LocaleSwitcher-module__67fYfW__currentLabel{white-space:nowrap}.LocaleSwitcher-module__67fYfW__chevron{transition:transform var(--t-normal)}.LocaleSwitcher-module__67fYfW__trigger[aria-expanded=true] .LocaleSwitcher-module__67fYfW__chevron{transform:rotate(180deg)}.LocaleSwitcher-module__67fYfW__list{z-index:60;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);min-width:10rem;max-height:min(60vh,20rem);box-shadow:var(--shadow-card-hover);padding:.3rem;list-style:none;position:absolute;inset-block-start:calc(100% + .35rem);inset-inline-end:0;overflow-y:auto}.LocaleSwitcher-module__67fYfW__option{border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;white-space:nowrap;justify-content:space-between;align-items:center;gap:.75rem;padding:.45rem .6rem;font-size:.88rem;display:flex}.LocaleSwitcher-module__67fYfW__option:hover{background:var(--bg-hover)}.LocaleSwitcher-module__67fYfW__option:focus-visible{outline:2px solid var(--border-focus);outline-offset:-2px}.LocaleSwitcher-module__67fYfW__option[aria-selected=true]{color:var(--color-primary);font-weight:600}.LocaleSwitcher-module__67fYfW__check{flex-shrink:0}
.MobileNav-module__N8twRW__toggle{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-surface);width:34px;height:34px;color:var(--text-secondary);transition:border-color var(--t-fast), color var(--t-fast);justify-content:center;align-items:center;display:none}.MobileNav-module__N8twRW__toggle:hover{border-color:var(--border-hover);color:var(--text-primary)}@media (max-width:900px){.MobileNav-module__N8twRW__toggle{display:flex}}.MobileNav-module__N8twRW__panel{z-index:49;padding:1.5rem var(--container-pad) 2rem;background:var(--bg-base);flex-direction:column;gap:1.5rem;display:flex;position:fixed;inset-block-start:var(--header-h);inset-block-end:0;inset-inline:0;overflow-y:auto}.MobileNav-module__N8twRW__list{flex-direction:column;display:flex}.MobileNav-module__N8twRW__link{color:var(--text-primary);border-bottom:1px solid var(--border);padding-block:.9rem;font-size:1.05rem;font-weight:600}.MobileNav-module__N8twRW__link:last-child{border-bottom:none}
.Header-module__hBw1pG__header{z-index:50;height:var(--header-h);background:color-mix(in srgb, var(--bg-surface) 85%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0}.Header-module__hBw1pG__inner{align-items:center;gap:1.5rem;height:100%;display:flex}.Header-module__hBw1pG__brand{letter-spacing:-.03em;color:var(--text-primary);flex-shrink:0;font-size:1.25rem;font-weight:800}.Header-module__hBw1pG__nav{align-items:center;gap:1.75rem;margin-inline:2rem auto;display:flex}.Header-module__hBw1pG__navLink{color:var(--text-secondary);transition:color var(--t-fast);white-space:nowrap;font-size:.9rem;font-weight:500}.Header-module__hBw1pG__navLink:hover{color:var(--text-primary)}.Header-module__hBw1pG__actions{align-items:center;gap:.75rem;margin-inline-start:auto;display:flex}.Header-module__hBw1pG__actions .Header-module__hBw1pG__btn{padding:.55rem 1.1rem;font-size:.875rem}@media (max-width:900px){.Header-module__hBw1pG__nav{display:none}.Header-module__hBw1pG__actions>.btn{display:none}}
.ConsentBanner-module__spLbGa__banner{z-index:60;background:var(--bg-surface);border-top:1px solid var(--border);padding:1rem var(--container-pad);padding-bottom:max(1rem, env(safe-area-inset-bottom));position:fixed;inset-block-end:0;inset-inline:0;box-shadow:0 -4px 24px #00000014}.ConsentBanner-module__spLbGa__inner{max-width:var(--container-w);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;margin-inline:auto;display:flex}.ConsentBanner-module__spLbGa__text{flex:24rem;min-width:0}.ConsentBanner-module__spLbGa__title{margin-bottom:.25rem;font-size:.95rem;font-weight:700}.ConsentBanner-module__spLbGa__description{color:var(--text-secondary);text-wrap:pretty;font-size:.85rem}.ConsentBanner-module__spLbGa__link{color:var(--color-primary);text-decoration:underline}.ConsentBanner-module__spLbGa__actions{flex-shrink:0;gap:.6rem;display:flex}.ConsentBanner-module__spLbGa__actions .btn{padding:.6rem 1.25rem;font-size:.9rem}@media (max-width:640px){.ConsentBanner-module__spLbGa__banner{padding:.6rem var(--container-pad);padding-bottom:max(.6rem, env(safe-area-inset-bottom))}.ConsentBanner-module__spLbGa__inner{gap:.55rem}.ConsentBanner-module__spLbGa__title{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.ConsentBanner-module__spLbGa__description{font-size:.78rem;line-height:1.35}.ConsentBanner-module__spLbGa__actions{gap:.5rem;width:100%}.ConsentBanner-module__spLbGa__actions .btn{flex:1;padding:.45rem .75rem;font-size:.82rem}}
.Footer-module__S6Hkya__footer{background:var(--bg-surface);border-top:1px solid var(--border);margin-top:0;padding-block:3.5rem 2rem}.Footer-module__S6Hkya__columns{grid-template-columns:repeat(4,1fr);gap:2rem;display:grid}@media (max-width:720px){.Footer-module__S6Hkya__columns{grid-template-columns:repeat(2,1fr);gap:1.75rem}}.Footer-module__S6Hkya__columnTitle{text-transform:uppercase;letter-spacing:.04em;color:var(--text-meta);margin-bottom:.75rem;font-size:.78rem;font-weight:700}.Footer-module__S6Hkya__list{flex-direction:column;gap:.5rem;list-style:none;display:flex}.Footer-module__S6Hkya__link{color:var(--text-secondary);transition:color var(--t-fast);font-size:.9rem}.Footer-module__S6Hkya__link:hover{color:var(--color-primary)}.Footer-module__S6Hkya__bottom{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-top:2.5rem;padding-top:1.5rem;display:flex}.Footer-module__S6Hkya__brand{letter-spacing:-.03em;color:var(--text-primary);font-size:1.05rem;font-weight:800}
:root{--bg-base:#f8fafc;--bg-surface:#fff;--bg-hover:#f1f5f9;--border:#e2e8f0;--border-hover:#cbd5e1;--border-focus:#6366f1;--color-primary:#4f46e5;--color-primary-hover:#4338ca;--color-primary-subtle:#eef2ff;--text-primary:#0f172a;--text-secondary:#64748b;--text-muted:#94a3b8;--color-success:#059669;--color-success-bg:#ecfdf5;--color-error:#dc2626;--color-error-bg:#fef2f2;--color-warning:#d97706;--color-warning-bg:#fffbeb;--color-coin:#b45309;--color-coin-bg:#fef3c7;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-full:9999px;--t-fast:.1s ease;--t-normal:.18s ease;--font:var(--font-inter), "Inter", system-ui, -apple-system, sans-serif;--shadow-card:0 1px 2px #0000000a, 0 3px 10px #0000000d;--shadow-card-hover:0 2px 4px #0000000d, 0 6px 16px #00000014;--header-h:64px;--container-w:1120px;--container-pad:1.25rem;--prose-w:720px;--bg-page:var(--bg-surface);--text-body:var(--text-primary);--text-meta:var(--text-secondary)}.accent-listening{--accent:#3b82f6;--accent-bg:#eff6ff}.accent-reading{--accent:#16a34a;--accent-bg:#f0fdf4}.accent-writing{--accent:#f59e0b;--accent-bg:#fffbeb}.accent-grammar{--accent:#8b5cf6;--accent-bg:#f5f3ff}.accent-speaking{--accent:#14b8a6;--accent-bg:#f0fdfa}.accent-default{--accent:var(--color-primary);--accent-bg:var(--color-primary-subtle)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{background:var(--bg-page);-webkit-text-size-adjust:100%;scroll-behavior:smooth;height:100%}body{min-height:100vh;font-family:var(--font);color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased;flex-direction:column;font-size:16px;line-height:1.6;display:flex;overflow-x:hidden}main{flex:1 0 auto}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;text-wrap:balance;font-weight:700;line-height:1.2}a{color:inherit;text-decoration:none}img,svg,video{max-width:100%;display:block}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;background:0 0;border:none}:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px;border-radius:var(--radius-sm)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.container{width:100%;max-width:var(--container-w);padding-inline:var(--container-pad);margin-inline:auto}.section{padding-block:3.5rem}.section--tight{padding-block:2.25rem}.section--flush{padding-top:0}@media (max-width:640px){.section{padding-block:2.25rem}.section--tight{padding-block:1.5rem}}.prose{max-width:var(--prose-w)}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:var(--color-primary);color:#fff;border-radius:0 0 var(--radius-md) 0;transition:transform var(--t-normal);padding:.65rem 1rem;font-weight:600;position:absolute;top:0;left:0;transform:translateY(-110%)}.skip-link:focus-visible{transform:translateY(0)}.h-display{font-size:clamp(2rem,5vw,3rem);font-weight:800}.h-section{font-size:clamp(1.375rem,3vw,1.75rem);font-weight:700}.h-card{font-size:1rem;font-weight:700}.text-lead{color:var(--text-secondary);text-wrap:pretty;font-size:clamp(1rem,2vw,1.125rem)}.text-meta{color:var(--text-meta);font-size:.78rem}.btn{border-radius:var(--radius-md);transition:background var(--t-fast), border-color var(--t-fast), color var(--t-fast);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.35rem;font-size:.95rem;font-weight:700;display:inline-flex}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover{background:var(--color-primary-hover)}.btn--secondary{background:var(--bg-surface);border-color:var(--border);color:var(--text-primary)}.btn--secondary:hover{border-color:var(--border-hover);background:var(--bg-hover)}.btn--ghost{color:var(--color-primary);padding-inline:.5rem}.btn--ghost:hover{color:var(--color-primary-hover)}.btn--lg{padding:.9rem 1.75rem;font-size:1rem}.btn--block{width:100%}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:border-color var(--t-fast), box-shadow var(--t-fast)}a.card:hover,.card--interactive:hover{border-color:var(--border-hover);box-shadow:var(--shadow-card-hover)}.icon-box{border-radius:var(--radius-md);background:var(--accent-bg,var(--color-primary-subtle));width:44px;height:44px;color:var(--accent,var(--color-primary));flex-shrink:0;justify-content:center;align-items:center;display:flex;overflow:hidden}.icon-box--lg{width:60px;height:60px}.icon-box img{object-fit:contain;width:100%;height:100%;padding:4px}.cta-arrow{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-surface);width:34px;height:34px;color:var(--text-meta);transition:border-color var(--t-fast), color var(--t-fast), background var(--t-fast);flex-shrink:0;justify-content:center;align-items:center;display:flex}a.card:hover .cta-arrow,.card--interactive:hover .cta-arrow{border-color:var(--accent,var(--color-primary));color:var(--accent,var(--color-primary));background:var(--accent-bg,var(--color-primary-subtle))}.chip{border-radius:var(--radius-full);white-space:nowrap;align-items:center;gap:.3rem;padding:.15rem .5rem;font-size:.7rem;font-weight:600;display:inline-flex}.chip--accent{background:var(--accent-bg,var(--color-primary-subtle));color:var(--accent,var(--color-primary))}.chip--success{background:var(--color-success-bg);color:var(--color-success)}.chip--warning{background:var(--color-warning-bg);color:var(--color-warning)}.chip--coin{background:var(--color-coin-bg);color:var(--color-coin)}.chip--muted{background:var(--bg-hover);color:var(--text-meta)}.sec-hd{justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:1.25rem;display:flex}.sec-hd-link{color:var(--color-primary);white-space:nowrap;font-size:.85rem;font-weight:600}.sec-hd-link:hover{color:var(--color-primary-hover)}[dir=rtl] .flip-rtl{transform:scaleX(-1)}