.book-categories-section{padding:clamp(64px,7vw,96px) 22px;background:radial-gradient(circle at 8% 18%,rgba(6,61,134,.06),transparent 30%),linear-gradient(180deg,#ffffff,#f7faff)}.book-categories-container{width:min(100%,1440px);margin:0 auto;text-align:center}.book-categories-subtitle{display:inline-flex;align-items:center;gap:10px;margin:0 0 12px;color:#063d86;font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}.book-categories-subtitle:after,.book-categories-subtitle:before{width:28px;height:2px;border-radius:999px;background:#c8922c;content:""}.book-categories-title{max-width:760px;margin:0 auto clamp(38px,5vw,58px);color:#10213c;font-size:clamp(32px,4vw,52px);font-weight:900;letter-spacing:-.045em;line-height:1.08}.book-categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:clamp(18px,2vw,28px)}.book-category-card{position:relative;min-width:0;display:flex;flex-direction:column;overflow:hidden;border:1px solid #dce3ec;border-radius:22px;background:#ffffff;box-shadow:0 10px 30px rgba(16,33,60,.07);text-decoration:none;isolation:isolate;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}.book-category-card:before{position:absolute;inset:0 0 auto;z-index:3;height:4px;background:linear-gradient(90deg,#063d86,#1e6bd6,#c8922c);content:"";opacity:0;transition:opacity .3s ease}.book-category-card:hover{border-color:#b9cce4;box-shadow:0 22px 48px rgba(6,61,134,.15);transform:translateY(-8px)}.book-category-card:hover:before{opacity:1}.book-category-thumb{position:relative;width:100%;aspect-ratio:1.35/1;display:grid;place-items:center;overflow:hidden;padding:18px 24px 0;background:radial-gradient(circle at 50% 35%,#ffffff 0,#edf4ff 58%,#e1eaf3 100%)}.book-category-img{width:100%;height:100%;object-fit:contain;object-position:center bottom;filter:drop-shadow(0 14px 16px rgba(16,33,60,.18));transition:transform .45s cubic-bezier(.2,.75,.25,1)}.book-category-card:hover .book-category-img{transform:translateY(-5px) scale(1.035)}.book-category-overlay{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 70%,rgba(6,61,134,.06))}.book-category-meta{min-height:156px;display:flex;flex:1;flex-direction:column;align-items:center;padding:22px 18px 20px;text-align:center}.book-category-name{margin:0 0 7px;color:#10213c;font-size:18px;font-weight:850;line-height:1.25}.book-category-desc{margin:0 0 18px;color:#667386;font-size:13px;line-height:1.5}.book-category-arrow{min-height:38px;display:inline-flex;align-items:center;justify-content:center;gap:6px;margin-top:auto;padding:9px 18px;border:1px solid #cddbec;border-radius:999px;background:#f7faff;color:#063d86;font-size:12px;font-weight:850;transition:color .25s ease,background-color .25s ease,border-color .25s ease,transform .25s ease}.book-category-card:hover .book-category-arrow{border-color:#063d86;background:#063d86;color:#ffffff;transform:translateX(2px)}.book-category-card:focus-visible{outline:3px solid rgba(6,61,134,.28);outline-offset:4px}@media (max-width:1200px){.book-categories-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:768px){.book-categories-section{padding:52px 16px}.book-categories-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.book-category-thumb{padding:14px 14px 0}.book-category-meta{min-height:142px;padding:18px 12px 16px}.book-category-name{font-size:16px}}@media (max-width:480px){.book-categories-title{font-size:30px}.book-categories-grid{grid-template-columns:1fr;gap:16px}.book-category-thumb{aspect-ratio:1.65/1;padding-inline:34px}.book-category-meta{min-height:132px}}