body.product-fallback-page { margin: 0; background: #f3f6fa; font-family: Inter, Arial, sans-serif; color: #15171a; }
.fallback-nav { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 66px; padding: 10px clamp(18px, 5vw, 72px); color: #fff; background: #0b0c0e; }
.fallback-brand { color: #fff; font-size: 1.2rem; font-weight: 700; text-decoration: none; }
.fallback-links { display: flex; align-items: center; gap: 24px; }
.fallback-links a { color: #fff; text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.fallback-product { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: clamp(42px, 8vw, 92px) 0; }
.fallback-breadcrumb { margin-bottom: 28px; color: #626870; }
.fallback-breadcrumb a { color: inherit; }
.fallback-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: clamp(36px, 7vw, 88px); align-items: center; }
.fallback-image-wrap { aspect-ratio: 1 / 1; display: grid; place-items: center; padding: clamp(24px, 5vw, 56px); background: #fff; border-radius: 16px; box-shadow: 0 10px 30px rgba(20,28,38,.08); }
.fallback-image { width: 100%; height: 100%; object-fit: contain; }
.fallback-category { margin: 0 0 8px; color: #626870; font-size: .9rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.fallback-title { margin: 0 0 14px; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.04; letter-spacing: -.035em; }
.fallback-price { margin: 0 0 24px; font-size: 1.4rem; font-weight: 700; }
.fallback-description { max-width: 56ch; margin: 0 0 30px; color: #50565d; }
.fallback-quantity { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.fallback-quantity button { width: 44px; height: 44px; border: 1px solid #aeb5bd; background: #fff; border-radius: 8px; cursor: pointer; }
.fallback-quantity output { min-width: 30px; text-align: center; font-weight: 700; }
.fallback-actions { display: grid; grid-template-columns: 1fr auto; gap: 12px; }
.fallback-add, .fallback-favorite { min-height: 50px; padding: 12px 20px; border: 1px solid #111; border-radius: 8px; font-weight: 700; cursor: pointer; }
.fallback-add { color: #fff; background: #111; }
.fallback-favorite { color: #111; background: #fff; }
.fallback-note { margin-top: 18px; color: #626870; font-size: .92rem; }
.fallback-footer { padding: 30px 20px; color: #fff; background: #697077; text-align: center; }
@media (max-width: 760px) {
  .fallback-links a:not(:last-child) { display: none; }
  .fallback-product { width: min(100% - 32px, 620px); padding-top: 32px; }
  .fallback-grid { grid-template-columns: 1fr; gap: 30px; }
  .fallback-actions { grid-template-columns: 1fr; }
}