.PopularBooksSection-module__W_5O3a__section{text-align:center;padding:4rem 1rem}.PopularBooksSection-module__W_5O3a__title{margin-bottom:.5rem;font-size:2rem}.PopularBooksSection-module__W_5O3a__subtitle{color:var(--text-secondary,#666);margin-bottom:2rem}.PopularBooksSection-module__W_5O3a__grid{grid-template-columns:repeat(3,1fr);gap:1.5rem;max-width:960px;margin:0 auto 2rem;display:grid}@media (max-width:768px){.PopularBooksSection-module__W_5O3a__grid{grid-template-columns:1fr}}.PopularBooksSection-module__W_5O3a__card{border:1px solid var(--border,#e5e5e5);color:inherit;text-align:left;border-radius:12px;flex-direction:column;gap:.5rem;padding:1rem;text-decoration:none;transition:transform .15s,box-shadow .15s;display:flex}.PopularBooksSection-module__W_5O3a__card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000014}.PopularBooksSection-module__W_5O3a__cover{aspect-ratio:2/3;object-fit:cover;background:var(--skeleton,#f0f0f0);border-radius:8px;width:100%}.PopularBooksSection-module__W_5O3a__cardTitle{margin:.5rem 0 .25rem;font-size:1.05rem;font-weight:600;line-height:1.3}.PopularBooksSection-module__W_5O3a__author{color:var(--text-secondary,#666);margin:0;font-size:.875rem}.PopularBooksSection-module__W_5O3a__cefrRow{flex-wrap:wrap;gap:.35rem;margin-top:.5rem;display:flex}.PopularBooksSection-module__W_5O3a__cefrBadge{background:var(--accent,#4f46e5);color:#fff;border-radius:999px;padding:.125rem .5rem;font-size:.75rem;font-weight:600}.PopularBooksSection-module__W_5O3a__cefrBadge[data-cefr=C2],.PopularBooksSection-module__W_5O3a__cefrBadge[data-cefr=C1]{background:#7b2d8e}.PopularBooksSection-module__W_5O3a__cefrBadge[data-cefr=B2]{background:#e67e22}.PopularBooksSection-module__W_5O3a__cefrBadge[data-cefr=B1]{background:#d4a017}.PopularBooksSection-module__W_5O3a__cefrBadge[data-cefr=A2]{background:#e25822}.PopularBooksSection-module__W_5O3a__cefrBadge[data-cefr=A1]{background:#c0392b}.PopularBooksSection-module__W_5O3a__seeAll{color:var(--accent,#4f46e5);margin-top:1rem;font-weight:600;text-decoration:none;display:inline-block}.PopularBooksSection-module__W_5O3a__seeAll:hover{text-decoration:underline}