/* 产品资料图按原比例完整展示，不裁切盒体、孔位或图片中的说明。 */
.product-media-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px}
.product-photo-hero{min-height:0;padding-bottom:85px}
.product-photo-hero .hero-actions{flex-wrap:wrap}
.product-photo-hero .hero-note{margin-top:32px}
/* 首屏底部网格只作装饰，不能遮挡新增的产品图与详情链接。 */
.product-photo-hero .hero-gridline{pointer-events:none}
.product-photo-hero .device-product-name{font-size:clamp(26px,3.4vw,46px)}
.product-media{min-width:0;margin:0;border:1px solid #d8e5f0;border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 18px 48px rgba(12,31,52,.08)}
.product-image-link{display:block;background:#e8f2fb;cursor:zoom-in}
.product-image-link img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain}
.product-image-link:focus-visible{outline:3px solid var(--cyan);outline-offset:-5px}
.product-media figcaption{padding:20px 24px}
.product-media-dark{border-color:#35566e;background:#0c2234;box-shadow:0 26px 60px rgba(0,0,0,.2)}
.product-media-dark figcaption{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 20px}
.product-media-dark figcaption>div{min-width:0}
.product-media-dark figcaption>div>span{display:block;color:#83a8bd;font-size:9px;letter-spacing:.15em}
.product-media-dark figcaption strong{display:block;margin-top:4px;color:#e5eff6;font-size:13px;font-weight:500}
.product-media-dark figcaption>a{flex-shrink:0;color:#8fdfe6;font-size:11px}
.product-media-dark figcaption>a:focus-visible,.product-gallery-footer a:focus-visible{outline:2px solid var(--cyan);outline-offset:5px}
.product-gallery-section{background:#eaf1f6;scroll-margin-top:95px}
.product-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.product-detail-index{font-size:10px;letter-spacing:.12em;color:#527f9a}
.product-detail-media h3{margin:12px 0 8px;font-size:23px;line-height:1.3}
.product-detail-media p{margin:0;font-size:13px;color:var(--muted);line-height:1.8}
.product-image-hint{display:block;margin-top:18px;font-size:11px;color:#397f9e}
.product-gallery-footer{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:26px;padding-top:22px;border-top:1px solid #cddce7}
.product-gallery-footer p{margin:0;color:var(--muted);font-size:12px}
.product-gallery-footer>a{flex-shrink:0;cursor:zoom-in}

/* 原生dialog负责焦点约束和Escape关闭，查看图片时不会操作后台或离开当前页面。 */
html.product-image-open{overflow:hidden}
.product-image-dialog{width:min(1120px,calc(100% - 40px));max-width:none;max-height:calc(100dvh - 40px);margin:auto;padding:0;border:1px solid #456176;border-radius:14px;background:#0a1b2b;color:#e4edf5;box-shadow:0 28px 90px rgba(0,0,0,.45);overflow:auto}
.product-image-dialog::backdrop{background:rgba(3,10,18,.84);backdrop-filter:blur(6px)}
.product-viewer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 20px;border-bottom:1px solid #284254}
.product-viewer-toolbar h2{font-size:16px;margin:0;font-weight:500}
.product-viewer-close{display:grid;place-items:center;flex-shrink:0;width:36px;height:36px;padding:0;border:1px solid #3c596d;border-radius:50%;background:#102b40;color:#eaf5fb;font-size:23px;line-height:1}
.product-viewer-frame{display:grid;place-items:center;min-height:160px;background:#07121e}
.product-viewer-frame img{display:block;width:auto;height:auto;max-width:100%;max-height:calc(100dvh - 210px);object-fit:contain}
.product-viewer-frame img[hidden],.product-viewer-retry[hidden]{display:none}
.product-viewer-footer{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 20px;border-top:1px solid #284254}
.product-viewer-nav{display:flex;align-items:center;gap:14px}
.product-viewer-nav button,.product-viewer-retry{min-height:36px;padding:6px 13px;border:1px solid #3c596d;border-radius:6px;background:#102b40;color:#dcebf5;font-size:12px}
.product-viewer-nav button:disabled{opacity:.35;cursor:default}
.product-viewer-count{min-width:40px;font-size:12px;text-align:center;color:#b5c9d7}
.product-viewer-original{color:#91dce4;font-size:12px;white-space:nowrap}
.product-viewer-status{margin:0;color:#ffbf94;font-size:13px;text-align:center}
.product-viewer-error{padding:18px;text-align:center}
.product-viewer-error:has(.product-viewer-status:empty){display:none}
.product-viewer-retry{margin-top:12px}
.product-image-dialog button:focus-visible,.product-viewer-original:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
@media(max-width:900px){
  .product-media-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .product-photo-hero{padding-bottom:60px}
  .product-photo-hero .device-product-name{font-size:clamp(26px,5.4vw,42px)}
}
@media(max-width:560px){
  .product-media-dark figcaption{align-items:start;padding:14px;gap:10px}
  .product-media-dark figcaption strong{font-size:12px}
  .product-media-dark figcaption>a{font-size:10px;margin-top:3px}
  .product-detail-grid{grid-template-columns:minmax(0,1fr);gap:22px}
  .product-detail-media figcaption{padding:20px}
  .product-gallery-footer{display:block}
  .product-gallery-footer>a{display:inline-block;margin-top:12px}
  .product-image-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px);border-radius:10px}
  .product-viewer-toolbar{padding:12px 14px}
  .product-viewer-frame img{max-height:calc(100dvh - 205px)}
  .product-viewer-footer{padding:12px;gap:10px;flex-wrap:wrap}
  .product-viewer-nav{gap:10px}
  .product-viewer-nav button{padding:6px 10px}
  .product-viewer-original{font-size:11px}
}