*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#333;background:#fff}a{text-decoration:none;color:inherit}.wrap{width:min(1180px,92%);margin:auto}
.top-strip{background:#fff;border-bottom:1px solid #eee;font-size:13px;color:#666}.mini-links{display:flex;gap:25px;padding:10px 0}.logo-row{display:grid;grid-template-columns:240px 1fr 220px;gap:24px;align-items:center;padding:28px 0}.logo{font-size:22px;font-weight:800;color:#6f9e2e}.search-box{border:1px solid #ddd;padding:14px 18px;color:#888}.actions{text-align:right;color:#666}
.main-nav{background:#6fa62a;color:#fff}.nav-inner{display:flex;gap:34px;padding:15px 0;font-size:14px;font-weight:700}.welcome{text-align:center;padding:28px 0 18px}.welcome h1{font-size:42px;font-weight:400;margin:0 0 8px}.welcome p{color:#777}.services{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 0;border-top:1px solid #eee;border-bottom:1px solid #eee}.services b,.services span{display:block}.services span{color:#777;font-size:13px;margin-top:6px}
.books-section{padding:42px 0}.section-title{display:flex;justify-content:space-between;align-items:end}.section-title small{color:#666}.section-title h2{font-size:30px;font-weight:400;margin:4px 0}.category-links{display:flex;gap:9px}.category-links a{border:1px solid #ddd;padding:8px 11px;border-radius:20px;color:#666}
.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:26px}.book-card{min-width:0}.cover{height:280px;background:linear-gradient(160deg,#54aaa5,#79c2bd);color:#fff;padding:25px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.book-card:nth-child(2n) .cover{background:linear-gradient(160deg,#e4b628,#f2cc46)}.book-card:nth-child(3n) .cover{background:linear-gradient(160deg,#ef8f2d,#f4ad54)}.cover-title{font-size:25px;font-weight:300}.cover-sub{font-size:15px;margin-top:8px}.book-card small{display:block;color:#777;margin:12px 0 5px}.book-card h3{font-size:16px;margin:0 0 8px;font-weight:500}.book-card p{font-size:13px;color:#777;margin:4px 0}.stars{color:#d6ab28;font-size:13px}.price{color:#6fa62a;font-weight:700;margin:8px 0}.basket{display:inline-block;border:1px solid #ddd;border-radius:20px;padding:8px 14px;font-size:13px;margin-top:8px}
.detail-page{display:grid;grid-template-columns:360px 1fr;gap:50px;padding:55px 0}.detail-cover{height:480px;background:linear-gradient(160deg,#54aaa5,#79c2bd);color:#fff;padding:30px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.detail-info h1{font-size:40px;font-weight:400}
.footer{border-top:1px solid #eee;padding:28px 0;color:#777}.footer .wrap{display:flex;justify-content:space-between}
@media(max-width:800px){.logo-row{grid-template-columns:1fr}.actions{text-align:left}.nav-inner{overflow-x:auto;gap:20px}.services{grid-template-columns:1fr 1fr}.book-grid{grid-template-columns:1fr 1fr}.detail-page{grid-template-columns:1fr}.footer .wrap{flex-direction:column;gap:8px}}@media(max-width:520px){.book-grid{grid-template-columns:1fr}.services{grid-template-columns:1fr}}