:root { --akp-dark: #20282d; --akp-blue: #42bfe8; --akp-red: #e5242a; }
* { box-sizing: border-box; }
body { margin: 0; }
.product-topbar { background: var(--akp-dark); color: #fff; }
.product-topbar-inner, .product-header-inner, .product-detail-inner, .product-footer-inner { width: min(1320px, calc(100% - 48px)); margin: 0 auto; }
.product-topbar-inner { min-height: 54px; display: flex; align-items: center; gap: 30px; font-size: 15px; }
.product-topbar a { color: #fff; text-decoration: none; }
.product-header { background: #fff; border-bottom: 1px solid #edf0f2; }
.product-header-inner { min-height: 132px; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.product-logo img { display: block; width: 228px; height: 58px; }
.product-nav { display: flex; flex-wrap: wrap; gap: 42px; }
.product-nav a { color: var(--akp-dark); text-decoration: none; font-size: 17px; font-weight: 700; }
.product-hero { min-height: 200px; display: grid; place-items: center; color: #fff; background: linear-gradient(rgba(18,28,33,.72),rgba(18,28,33,.72)), url("../images/service/precision-components-banner.png") center/cover; }
.product-hero.automation { background-image: linear-gradient(rgba(18,28,33,.72),rgba(18,28,33,.72)), url("../images/service/automation-equipment-banner.png"); }
.product-hero h1 { margin: 0; color: #fff; font-size: 42px; letter-spacing: .12em; }
.product-category-nav { display: flex; justify-content: center; gap: 24px; padding: 54px 24px 0; }
.product-category-nav a { min-width: 164px; padding: 15px 24px; border: 1px solid #e3e7ea; border-radius: 12px; color: var(--akp-dark); background: #fff; text-align: center; text-decoration: none; font-size: 17px; font-weight: 700; box-shadow: 0 10px 25px rgba(31,40,44,.05); }
.product-category-nav a.is-active { border-color: var(--akp-dark); color: #fff; background: var(--akp-dark); }
.product-detail { padding: 88px 0 100px; }
.product-detail-inner { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: 76px; align-items: start; }
.product-copy h2 { margin: 0 0 18px; font-size: clamp(30px, 3vw, 42px); line-height: 1.25; }
.product-copy .lead { margin: 0 0 30px; }
.product-copy h3 { margin: 28px 0 14px; font-size: 25px; }
.product-specs { margin: 0; padding-left: 1.5em; color: var(--color-body); font-family: "DM Sans", serif; font-size: var(--font-size-b2); line-height: var(--line-height-b2); }
.product-specs li { padding-left: .2em; margin-bottom: 5px; }
.product-image { position: sticky; top: 24px; }
.product-image img { display: block; width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 4px; box-shadow: 0 18px 55px rgba(31,40,44,.14); }
.product-table { width: 100%; border-collapse: collapse; margin-top: 22px; color: var(--color-body); font-family: "DM Sans", serif; font-size: var(--font-size-b2); line-height: var(--line-height-b2); }
.product-dimension-figure { margin: 18px 0 32px; }
.product-dimension-figure img { display: block; width: 100%; height: auto; }
.product-dimension-figure figcaption { margin-top: 10px; color: var(--color-body); font-size: 14px; text-align: center; }
.product-table th, .product-table td { padding: 13px 15px; border: 1px solid #dce2e6; text-align: center; }
.product-table th { color: #fff; background: var(--akp-dark); }
.product-table tbody tr:nth-child(even) { background: #f4f7f8; }
.product-unit { margin-top: 8px; color: #68737a; text-align: right; }
.product-back { display: inline-flex; margin-top: 34px; padding: 13px 22px; border-radius: 4px; color: #fff; background: var(--akp-dark); text-decoration: none; font-weight: 700; }
.product-footer { padding: 38px 0; color: #fff; background: var(--akp-dark); }
.product-footer-inner { display: flex; justify-content: space-between; gap: 24px; }
.product-footer a { color: #fff; }
@media (max-width: 900px) {
  .product-header-inner { min-height: 105px; }
  .product-nav { display: none; }
  .product-detail-inner { grid-template-columns: 1fr; gap: 40px; }
  .product-image { position: static; order: -1; width: min(100%, 560px); margin: 0 auto; }
}
@media (max-width: 560px) {
  .product-topbar-inner, .product-header-inner, .product-detail-inner, .product-footer-inner { width: min(100% - 28px, 1320px); }
  .product-topbar-inner { align-items: flex-start; flex-direction: column; gap: 4px; padding: 10px 0; }
  .product-logo img { width: 205px; height: auto; }
  .product-hero { min-height: 150px; }
  .product-hero h1 { font-size: 30px; }
  .product-category-nav { gap: 10px; padding-top: 34px; }
  .product-category-nav a { min-width: 0; flex: 1; padding: 12px 10px; font-size: 15px; }
  .product-detail { padding: 52px 0 65px; }
  .product-copy h2 { font-size: 28px; }
  .product-specs { font-size: 15px; }
  .product-table { font-size: 14px; }
  .product-table th, .product-table td { padding: 9px 7px; }
  .product-footer-inner { flex-direction: column; }
}