*{box-sizing:border-box;margin:0;padding:0}body,html{max-width:100vw;overflow-x:hidden;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,Roboto,sans-serif;background:#f5f5f5;color:#1a1a1a;min-height:100vh;-webkit-font-smoothing:antialiased;line-height:1.55}body{padding:2.5rem}a{text-decoration:none;color:inherit}.container{max-width:100%;margin:0 auto;background:hsla(0,0%,100%,.92);-webkit-backdrop-filter:blur(14px) saturate(180%);backdrop-filter:blur(14px) saturate(180%);border-radius:22px;padding:3rem;border:1px solid hsla(0,0%,90%,.9);box-shadow:0 18px 45px rgba(0,0,0,.07)}.header{margin-bottom:2.75rem;padding-bottom:1.5rem;border-bottom:1px solid #e4e4e4}.header h1{font-size:2.5rem;font-weight:600;letter-spacing:-.6px;color:#1a1a1a;margin-bottom:.4rem}.header p{font-size:1.05rem;color:#555}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:2rem;gap:2rem}@keyframes marquee{0%{transform:translateX(0)}to{transform:translateX(-50%)}}.product-card{background:#fff;border-radius:16px;padding:1.9rem;border:1px solid #e6e6e6;box-shadow:0 4px 18px rgba(0,0,0,.05);transition:transform .28s cubic-bezier(.22,1,.36,1),box-shadow .28s ease;cursor:pointer}.product-card:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(0,0,0,.08)}.product-card h3{font-size:1.25rem;font-weight:600;margin-bottom:.4rem;color:#1a1a1a}.product-card .item-no{font-size:.9rem;color:#777;margin-bottom:.75rem}.product-card .price{font-size:1.35rem;font-weight:600;color:#2b2b2b}.loading{text-align:center;color:#777;padding:3rem;font-size:1.1rem}.error{background:#f9eaea;border:1px solid #efcaca;color:#9a1e1e;padding:1rem;border-radius:10px;margin:1.5rem 0}.product-detail{background:#fff;border-radius:20px;padding:3rem;margin-top:3rem;border:1px solid #e4e4e4;box-shadow:0 12px 32px rgba(0,0,0,.06)}.product-detail h2{font-size:2.1rem;font-weight:600;margin-bottom:1rem;letter-spacing:-.3px;color:#1a1a1a}.product-detail .back-button{display:inline-block;padding:.65rem 1.4rem;background:#1a1a1a;color:#fff;border-radius:8px;font-size:.95rem;font-weight:500;margin-bottom:2rem;transition:opacity .2s ease}.product-detail .back-button:hover{opacity:.85}.detail-section{margin-top:2.25rem;padding-top:1.75rem;border-top:1px solid #e5e5e5}.detail-section h3{font-size:1.3rem;margin-bottom:.9rem;font-weight:600;color:#1f1f1f}.detail-section p,.detail-section pre{color:#444}.detail-section pre{background:#f2f2f2;padding:1.2rem;border-radius:10px;border:1px solid #dadada;overflow-x:auto;font-size:.95rem;line-height:1.5}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}