:root{--color-ivory: #fbf7ef;--color-pearl: #fffdf8;--color-champagne: #c7a76a;--color-gold-deep: #8a6a32;--color-ink: #171514;--color-muted: #6f6760;--color-line: rgba(23, 21, 20, .13);--color-wine: #6c1f2b;--color-green: #25D366;--color-surface: rgba(255, 253, 248, .92);--shadow-soft: 0 24px 70px rgba(51, 38, 25, .12);--shadow-card: 0 8px 30px rgba(51, 38, 25, .1);--radius-large: 34px;--radius-medium: 16px;--radius-small: 999px;--font-serif: "Cormorant Garamond", "Songti TC", "Songti SC", serif;--font-sans: "PingFang TC", "PingFang HK", "Microsoft JhengHei", "Noto Sans TC", system-ui, sans-serif;--container: min(1280px, calc(100vw - 40px) )}body{background:radial-gradient(circle at 78% 4%,rgba(199,167,106,.18),transparent 30rem),linear-gradient(180deg,var(--color-pearl),var(--color-ivory));color:var(--color-ink);font-family:var(--font-sans);line-height:1.65}.breadcrumb{max-width:var(--container);margin:0 auto;padding:1rem 0 0;font-size:.82rem;color:var(--color-muted)}.breadcrumb a:hover{color:var(--color-ink)}.breadcrumb .sep{margin:0 .4rem;opacity:.5}.product-detail{max-width:var(--container);margin:0 auto;padding:1.5rem 0 clamp(3rem,5vw,5rem);display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(2rem,4vw,4rem);align-items:start}.product-gallery{position:sticky;top:100px}.product-gallery-main{aspect-ratio:1 / 1;border-radius:var(--radius-medium);overflow:hidden;background:linear-gradient(135deg,#f5f0e8,#ece5d8)}.product-gallery-main img{width:100%;height:100%;object-fit:cover}.product-gallery-thumbs{display:flex;gap:.5rem;margin-top:.5rem}.product-gallery-thumbs img{width:64px;height:64px;object-fit:cover;border-radius:6px;border:2px solid transparent;cursor:pointer;opacity:.7;transition:border-color .2s ease,opacity .2s ease}.product-gallery-thumbs img:hover,.product-gallery-thumbs img.active{border-color:var(--color-champagne);opacity:1}.product-info{padding-top:.25rem}.product-info .style-label{color:var(--color-champagne);font-size:.75rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.4rem}.product-info h1{font-family:var(--font-serif);font-size:clamp(1.6rem,2.8vw,2.4rem);font-weight:500;line-height:1.15;margin:0 0 .4rem;letter-spacing:-.02em}.product-meta{display:flex;align-items:center;gap:.8rem;margin-bottom:1rem;font-size:.78rem;color:var(--color-muted)}.price-block{padding:1.2rem 0;border-top:1px solid var(--color-line);border-bottom:1px solid var(--color-line);margin-bottom:1.2rem}.price-block .selling{color:var(--color-wine);font-size:1.5rem;font-weight:800}.price-block .note{color:var(--color-muted);font-size:.75rem;margin-top:.3rem}.diamond-context{background:linear-gradient(135deg,#faf6ee,#f5efe0);border:1.5px solid var(--color-champagne);border-radius:var(--radius-medium);padding:1rem 1.2rem;margin-bottom:1.2rem}.diamond-context .ctx-title{font-size:.7rem;letter-spacing:.08em;color:var(--color-champagne);font-weight:700;text-transform:uppercase;margin-bottom:.5rem}.diamond-context .ctx-specs{display:flex;gap:1rem;flex-wrap:wrap;font-size:.88rem}.diamond-context .ctx-price{font-size:1.05rem;font-weight:700;color:var(--color-gold-deep);margin-top:.5rem}.diamond-context .total-price{font-size:1.2rem;font-weight:700;color:var(--color-wine)}.specs-section{margin-bottom:1.5rem}.specs-section h3{font-family:var(--font-serif);font-size:1.05rem;font-weight:600;margin:0 0 .6rem}.specs-table{width:100%;border-collapse:collapse}.specs-table tr{border-bottom:1px solid var(--color-line)}.specs-table td{padding:.5rem 0;font-size:.85rem}.specs-table td:first-child{color:var(--color-muted);font-weight:500;width:40%}.specs-table td:last-child{font-weight:600}.actions{display:flex;flex-direction:column;gap:.6rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.7rem 1.4rem;border-radius:var(--radius-small);font-size:.85rem;font-weight:600;cursor:pointer;transition:all .18s ease;text-decoration:none;border:none;width:100%}.btn-primary{background:var(--color-champagne);color:#fff}.btn-primary:hover{background:var(--color-gold-deep)}.btn-whatsapp{background:var(--color-green);color:#fff}.btn-whatsapp:hover{opacity:.9}.btn-outline{background:transparent;border:1px solid var(--color-line);color:var(--color-ink)}.btn-outline:hover{border-color:var(--color-champagne)}@media(max-width:768px){.product-detail{grid-template-columns:1fr}.product-gallery{position:static}}