/* 产品中心独立样式：只影响product-site下的新栏目，保留官网原有页面表现。 */
.product-site { background:#fafafa; color:#211632; }
.product-site a,.product-site button { -webkit-tap-highlight-color:transparent; }
.catalog-wrap { width:min(1280px,calc(100% - 80px)); margin:auto; }
.catalog-skip { position:fixed; top:-80px; left:16px; padding:12px 20px; background:#211632; color:white; z-index:100; }
.catalog-skip:focus { top:12px; }
.product-site :focus-visible { outline:3px solid #008890; outline-offset:5px; }
.catalog-header { position:sticky; top:0; z-index:30; background:rgba(255,255,255,.97); border-bottom:1px solid #e5e2e9; }
.catalog-header-inner { width:min(1440px,calc(100% - 64px)); min-height:84px; margin:auto; display:flex; align-items:center; justify-content:space-between; gap:30px; }
.catalog-brand { flex:none; }
.catalog-brand img { object-fit:contain; }
.catalog-header nav { display:flex; align-items:center; gap:36px; font-size:14px; }
.catalog-header nav a { padding:28px 0; color:#756e7f; white-space:nowrap; border-bottom:3px solid transparent; }
.catalog-header nav .current { color:#211632; border-color:#08c4cf; font-weight:700; }
.catalog-phone { color:#211632; font-size:14px; white-space:nowrap; }
.catalog-phone span { margin-left:16px; color:#00858d; }
.catalog-hero { overflow:hidden; background:linear-gradient(110deg,#f0edf7 0%,#f7f6fa 55%,#eaf2f3 100%); }
.hero-product-grid { min-height:615px; display:grid; grid-template-columns:1fr 1fr; gap:50px; align-items:center; padding-top:60px; padding-bottom:64px; }
.catalog-eyebrow { color:#706a7c; font-size:11px; font-weight:700; letter-spacing:.15em; margin:0 0 20px; }
.catalog-hero h1 { font-size:clamp(34px,3.3vw,52px); line-height:1.35; letter-spacing:-.025em; margin:0 0 24px; font-weight:700; }
.catalog-hero-copy > p:not(.catalog-eyebrow) { font-size:16px; line-height:1.9; color:#746a80; margin:0 0 30px; }
.catalog-button { display:inline-flex; align-items:center; justify-content:space-between; gap:32px; background:#211632; color:white; padding:15px 22px; font-size:14px; border:1px solid #211632; transition:background .18s; }
.catalog-button:hover { background:#3b2958; }
.catalog-button span { color:#2fd4dc; }
.catalog-range { display:flex; gap:36px; margin-top:32px; color:#786e83; font-size:12px; }
.catalog-range b { font:26px Arial,sans-serif; color:#211632; margin-right:9px; }
.hero-products { position:relative; padding:0 40px 20px 0; }
.hero-primary { display:block; background:white; padding:14px; box-shadow:0 20px 50px #30214812; transform:rotate(-3deg); }
.hero-primary img { aspect-ratio:1; width:100%; height:auto; object-fit:contain; }
.hero-primary > span,.hero-secondary > span { display:block; padding:10px 4px 0; font-size:11px; letter-spacing:.06em; color:#6a6075; }
.hero-secondary { position:absolute; bottom:-6px; right:-14px; width:36%; background:white; padding:10px; box-shadow:0 12px 36px #21163225; transform:rotate(5deg); }
.hero-secondary img { aspect-ratio:1; width:100%; height:auto; object-fit:contain; }
.catalog-section { padding-top:76px; padding-bottom:88px; scroll-margin-top:105px; }
.catalog-heading { display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:34px; }
.catalog-heading h2,.product-selection h2 { font-size:30px; line-height:1.3; margin:0; }
.catalog-heading .catalog-eyebrow { margin-bottom:10px; }
.catalog-heading > p { color:#81798a; font-size:13px; margin:0; }
.catalog-layout { display:grid; grid-template-columns:195px minmax(0,1fr); gap:40px; align-items:start; }
.catalog-sidebar { position:sticky; top:112px; }
.catalog-sidebar h3 { font-size:12px; color:#8a8393; font-weight:500; margin:0 0 16px; }
.catalog-sidebar nav { display:flex; flex-direction:column; border-top:1px solid #dfdbe5; }
.catalog-sidebar nav a { display:flex; justify-content:space-between; gap:10px; padding:15px 12px; border-bottom:1px solid #e7e3eb; font-size:14px; }
.catalog-sidebar nav a b { font:11px Arial,sans-serif; align-self:center; color:#9a93a3; }
.catalog-sidebar nav a[aria-current] { background:#211632; color:white; }
.catalog-sidebar nav a[aria-current] b { color:#3ed5dc; }
.catalog-help { margin-top:35px; border-left:2px solid #0dbbc5; padding-left:15px; }
.catalog-help > span { font-size:11px; color:#8a8294; }
.catalog-help p { font-size:13px; line-height:1.8; }
.catalog-help a { font-size:13px; font-weight:700; }
.catalog-search { display:flex; align-items:center; gap:20px; border-bottom:1px solid #b8b0c3; padding-bottom:12px; }
.catalog-search label { font-size:14px; white-space:nowrap; }
.catalog-search > div { flex:1; display:flex; min-width:0; }
.catalog-search input { min-width:0; flex:1; padding:10px 0; border:0; background:transparent; font:inherit; font-size:14px; outline-offset:0; color:#211632; }
.catalog-search button { border:0; background:transparent; color:#342644; font-size:13px; cursor:pointer; }
.catalog-search button span { color:#008b92; margin-left:10px; }
.catalog-result-bar { display:flex; justify-content:space-between; align-items:center; min-height:55px; color:#8c8495; font-size:12px; }
.catalog-result-bar button,.catalog-empty button { color:#3b2958; border:0; background:none; cursor:pointer; text-decoration:underline; }
.product-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
.product-card { min-width:0; background:white; border:1px solid #e9e6ed; transition:box-shadow .18s,transform .18s; }
.product-card:hover { box-shadow:0 12px 30px #2116320d; transform:translateY(-3px); }
.product-card[hidden],.product-site [hidden] { display:none!important; }
.product-visual { display:block; border-bottom:1px solid #f0edf4; background:#f4f4f5; }
.product-visual img { width:100%; height:auto; aspect-ratio:1; object-fit:contain; }
.product-card-body { padding:18px; }
.product-brand { display:flex; justify-content:space-between; gap:8px; font-size:10px; font-weight:700; color:#6e617d; margin:0 0 10px; }
.product-brand > span { font-size:10px; font-weight:400; color:#948a9e; }
.product-card h3 { font-size:16px; line-height:1.55; margin:0 0 10px; min-height:50px; }
.product-summary { font-size:13px; color:#776d82; line-height:1.8; margin:0 0 20px; min-height:70px; }
.product-detail-link { display:flex; align-items:center; justify-content:space-between; font-size:12px; font-weight:600; border-top:1px solid #eeebf1; padding-top:13px; }
.product-detail-link > span { color:#008d95; font-size:17px; }
.catalog-empty { padding:70px 16px; text-align:center; color:#82788e; border:1px solid #e9e4ef; }
.catalog-empty h3 { color:#302148; }
.catalog-contact { background:#211632; color:#fff; padding:62px 0; }
.catalog-contact > div { display:flex; align-items:center; justify-content:space-between; gap:30px; }
.catalog-contact .catalog-eyebrow { color:#54d4db; }
.catalog-contact h2 { margin:0; font-size:34px; line-height:1.4; }
.catalog-contact p:not(.catalog-eyebrow) { font-size:13px; color:#b7abca; margin:20px 0 0; }
.catalog-contact .catalog-button { background:#10c4ce; border-color:#10c4ce; color:#171027; }
.catalog-contact .catalog-button span { color:#171027; }
/* 详情页使用完整图片与原生文字并排，规格和公司信息可独立抓取。 */
.product-breadcrumb { display:flex; flex-wrap:wrap; gap:12px; font-size:12px; color:#9a90a4; padding:26px 0; }
.product-breadcrumb a:hover { color:#211632; }
.product-overview { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:70px; padding:12px 0 72px; }
/* 缩略图横向滚动区域不能撑大网格，否则手机主图和原生对话框会超出视口。 */
.product-overview > div { min-width:0; }
.product-main-image { display:block; background:white; border:1px solid #e6e0ee; padding:14px; }
.product-main-image > img { width:100%; height:auto; aspect-ratio:1; object-fit:contain; }
.product-main-image > span { display:block; font-size:12px; color:#81748e; padding-top:12px; text-align:center; }
.product-thumbnails { display:flex; gap:10px; overflow-x:auto; padding:15px 2px; }
.product-thumb { width:74px; flex:0 0 74px; padding:3px; border:1px solid #e5e0eb; background:white; }
.product-thumb img { width:100%; height:auto; aspect-ratio:1; object-fit:contain; }
.product-thumb[aria-current] { border:2px solid #09acb6; padding:2px; }
.product-information { padding-top:25px; }
.product-information h1 { font-size:36px; line-height:1.45; margin:0 0 22px; }
.product-intro { font-size:15px; color:#7b7087; line-height:1.9; margin-bottom:28px; }
.product-specs { margin:0; border-top:1px solid #e0d9e9; }
.product-specs > div { display:grid; grid-template-columns:100px minmax(0,1fr); border-bottom:1px solid #e9e4ef; padding:13px 0; gap:15px; font-size:13px; }
.product-specs dt { color:#93899d; }
.product-specs dd { margin:0; }
.product-spec-note { font-size:11px; color:#928899; margin:15px 0 26px; }
.product-inquiry { display:flex; align-items:center; gap:25px; }
.product-inquiry > span { font-size:18px; font-weight:600; }
.product-publisher { font-size:12px; color:#9b92a3; margin:18px 0 25px; }
.product-jump { font-size:12px; color:#6b5c7d; }
.product-detail-section { padding:55px 0; border-top:1px solid #ddd6e5; scroll-margin-top:105px; }
.product-detail-images { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; align-items:start; }
.product-detail-images figure { margin:0; padding:12px; background:white; border:1px solid #eee8f2; }
.product-detail-images img { width:100%; height:auto; }
.product-detail-images figcaption { font-size:11px; color:#9b92a4; padding:12px 2px 0; }
.product-selection { padding:34px; background:#f0edf5; margin:10px 0 60px; }
.product-selection h2 { font-size:23px; }
.product-selection > div { display:grid; grid-template-columns:repeat(3,1fr); gap:36px; margin-top:20px; }
.product-selection p { margin:0; }
.product-selection b { display:block; font-size:13px; margin-bottom:10px; }
.product-selection span { color:#897d96; font-size:12px; }
.product-related { padding-bottom:90px; }
.product-related .catalog-heading > a { font-size:13px; color:#766489; }
.product-lightbox { border:0; padding:0; width:min(1050px,94vw); max-height:94vh; background:#17121f; color:white; }
.product-lightbox::backdrop { background:rgba(12,8,20,.84); }
.product-lightbox > img { max-height:calc(90vh - 100px); width:100%; object-fit:contain; }
.lightbox-bar { position:sticky; top:0; display:flex; gap:20px; justify-content:space-between; align-items:center; background:#17121f; padding:8px 20px; }
.lightbox-bar p { font-size:13px; }
.lightbox-bar button { background:none; border:0; color:white; font-size:22px; padding:8px 12px; cursor:pointer; }
.lightbox-hint { font-size:11px; color:#bbb2c6; text-align:center; margin:10px; }
.image-dialog-open { overflow:hidden; }
/* 小屏优先保持图片完整和可读文字，分类改为可横向滚动的导航。 */
@media(max-width:1100px) {
  .catalog-wrap { width:calc(100% - 48px); }
  .hero-product-grid { gap:28px; min-height:540px; }
  .catalog-layout { grid-template-columns:160px minmax(0,1fr); gap:24px; }
  .product-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px; }
  .catalog-header nav { gap:22px; }
  .product-overview { gap:34px; }
  .product-information h1 { font-size:28px; }
}
@media(max-width:760px) {
  .catalog-wrap { width:calc(100% - 36px); }
  .catalog-header-inner { width:calc(100% - 36px); flex-wrap:wrap; gap:0; padding-top:8px; }
  .catalog-brand img { width:115px; height:43px; }
  .catalog-phone { font-size:12px; }
  .catalog-header nav { order:3; width:100%; justify-content:space-between; gap:16px; font-size:12px; }
  .catalog-header nav a { padding:12px 0 10px; }
  .hero-product-grid { grid-template-columns:1fr; padding:38px 0 38px; gap:35px; }
  .catalog-hero h1 { font-size:37px; }
  .catalog-hero-copy > p:not(.catalog-eyebrow) { font-size:14px; margin-bottom:22px; }
  .catalog-eyebrow { font-size:10px; }
  .catalog-range { margin-top:22px; }
  .hero-products { width:86%; margin:0 auto; padding-right:32px; }
  .hero-secondary { width:38%; right:-8px; }
  .catalog-section { padding-top:40px; padding-bottom:45px; }
  .catalog-heading { align-items:flex-start; flex-direction:column; gap:13px; margin-bottom:22px; }
  .catalog-heading h2 { font-size:26px; }
  .catalog-heading > p { font-size:12px; }
  .catalog-layout { display:block; }
  .catalog-sidebar { position:static; margin-bottom:23px; }
  .catalog-sidebar h3,.catalog-help { display:none; }
  .catalog-sidebar nav { flex-direction:row; overflow-x:auto; border:0; padding:2px 0 8px; gap:8px; }
  .catalog-sidebar nav a { flex:none; padding:10px 12px; border:1px solid #e1dae9; font-size:12px; gap:8px; }
  .catalog-search { gap:10px; }
  .catalog-search label { font-size:12px; }
  .catalog-search input { font-size:14px; }
  .product-grid { gap:14px; }
  .product-card-body { padding:13px; }
  .product-brand { flex-wrap:wrap; gap:3px; margin-bottom:8px; }
  .product-card h3 { font-size:14px; min-height:44px; }
  .product-summary { font-size:12px; min-height:88px; margin-bottom:12px; }
  .product-detail-link { font-size:11px; }
  .catalog-contact { padding:40px 0; }
  .catalog-contact > div { align-items:flex-start; flex-direction:column; }
  .catalog-contact h2 { font-size:28px; }
  .product-overview { grid-template-columns:1fr; gap:10px; padding-bottom:38px; }
  .product-information { padding-top:14px; }
  .product-information h1 { font-size:28px; }
  .product-information .catalog-eyebrow { margin-bottom:15px; }
  .product-detail-section { padding:35px 0; }
  .product-detail-images { grid-template-columns:1fr; gap:18px; }
  .product-selection { padding:24px; margin-bottom:40px; }
  .product-selection > div { grid-template-columns:1fr; gap:22px; }
  .product-related { padding-bottom:44px; }
  .product-inquiry { gap:18px; }
  .product-inquiry > span { font-size:16px; }
}
@media(prefers-reduced-motion:reduce) { .product-site * { scroll-behavior:auto!important; transition:none!important; } }