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rgba(14,33,56,.35);display:flex;gap:1rem;align-items:center;flex-wrap:wrap;max-width:800px;margin:0 auto;font-size:.92rem}.cookie-banner p{margin:0;flex:1;min-width:240px;line-height:1.5}.cookie-banner a{color:#9FE1CB;text-decoration:underline}.cookie-banner .cb-actions{display:flex;gap:.5rem;flex-wrap:wrap}.cookie-banner button{font-family:inherit;font-weight:500;font-size:.9rem;padding:.55rem 1rem;border-radius:var(--pl-radius-ctl);border:0;cursor:pointer}.cookie-banner .cb-accept{background:var(--pl-green);color:#fff}.cookie-banner .cb-accept:hover{background:var(--pl-green-600)}.cookie-banner .cb-reject{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)}.cookie-banner .cb-reject:hover{background:rgba(255,255,255,.1)}@media (max-width:640px){.cookie-banner{left:.5rem;right:.5rem;bottom:.5rem;padding:.85rem 1rem}}@media (prefers-reduced-motion:reduce){*{transition:none !important;animation:none !important}}
/* CLS guards: reserve baseline space so prerendered → SPA-hydrated transition
   does not shift document height. Tuned to median content dimensions. */
#view{min-height:480px}
.hero{min-height:280px}
.grid-2,.grid-3{min-height:180px}
.feature-card{min-height:140px}
.practice-stage{min-height:320px}
.hero-stats{min-height:60px}
/* Font fallback metric tuning: keep CLS near 0 when Inter swaps in.
   size-adjust ensures the system-ui x-height roughly matches Inter at the
   same nominal size, so width/line-count don't shift on swap. */
@font-face{font-family:"Inter Fallback";src:local("Arial");size-adjust:107%;ascent-override:90%;descent-override:22%}
body{font-family:"Inter","Inter Fallback","Noto Sans SC","Noto Sans JP","Noto Sans KR",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
/* Equal-card layout: enforce uniform card heights site-wide.
   1) Grid cells stretch to match the tallest sibling (default, made explicit).
   2) Every direct grid child fills its cell — catches both .feature-card
      and plain .card (sample words, recognition rows, blog cards, etc.).
   3) Cancel the .card+.card{margin-top:1rem} rule INSIDE grids — that rule
      is for stacked cards in prose flow; inside a grid it pushes every card
      after the first 16px down within its grid cell (visible "错位" / offset).
      Grids use `gap` for spacing instead.
   4) Inside .feature-card (flex column), description <p> grows to fill
      remaining vertical space — shorter descriptions don't leave large
      empty gaps below text. */
.grid,.grid-2,.grid-3{align-items:stretch}
.grid > *,.grid-2 > *,.grid-3 > *{height:100%}
/* Higher specificity than .card+.card{margin-top:1rem} so grid items
   never inherit the stacked-card spacing. */
.grid > .card + .card,.grid-2 > .card + .card,.grid-3 > .card + .card,
.grid > .feature-card + .feature-card,.grid-2 > .feature-card + .feature-card,.grid-3 > .feature-card + .feature-card{margin-top:0}
.feature-card > p{flex:1 0 auto;margin-bottom:0}
.feature-card > p:not(:last-child){flex:0 0 auto}
.feature-card > p.muted:last-child{flex:0 0 auto}