@charset "UTF-8";

:root {
  --brand: #ed1c2e;
  --brand-dark: #b51224;
  --brand-soft: #fff1f3;
  --ink: #111827;
  --text: #56606f;
  --muted: #687282;
  --line: #e7eaf0;
  --bg: #f3f5f8;
  --white: #fff;
  --radius-sm: 12px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 12px 32px rgba(15, 23, 42, .07);
  --shadow-hover: 0 18px 42px rgba(15, 23, 42, .11);
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease, background .25s ease, transform .25s ease, box-shadow .25s ease; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.18; letter-spacing: -.03em; }

.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
.section { padding: 96px 0; }
.section-soft { background: var(--bg); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 700; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; border-radius: 999px; }
.section-head { max-width: 760px; margin-bottom: 42px; }
.section-head.center { text-align: center; margin-inline: auto; }
.section-title { font-size: clamp(30px, 4vw, 48px); margin-bottom: 16px; }
.section-desc { color: var(--muted); font-size: 18px; margin-bottom: 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 6px; font-weight: 700; border: 1px solid transparent; cursor: pointer; }
.btn-primary { color: #fff; background: var(--brand); box-shadow: none; }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(237, 28, 46, .18); }
.btn-ghost { color: var(--ink); background: #fff; border-color: var(--line); }
.btn-ghost:hover { color: var(--brand); border-color: rgba(237, 28, 46, .3); }

.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255, 255, 255, .86); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.header-inner { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.logo { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-size: 20px; font-weight: 800; }
.logo-mark { width: 34px; height: 34px; border-radius: 4px; background: var(--brand); box-shadow: none; position: relative; }
.logo-mark::after { content: ""; position: absolute; inset: 8px; border: 2px solid rgba(255,255,255,.82); }
.site-nav { display: flex; align-items: center; gap: 30px; color: var(--text); font-weight: 600; }
.site-nav a:hover, .site-nav a.active { color: var(--brand); }
.nav-item { position: relative; display: flex; align-items: center; min-height: 76px; }
.nav-parent::after { content: none; display: inline-block; width: 6px; height: 6px; margin: -4px 0 0 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); }
.sub-nav { position: absolute; top: calc(100% - 8px); left: 50%; z-index: 10; width: 190px; padding: 10px; opacity: 0; visibility: hidden; transform: translate(-50%, 10px); background: rgba(255,255,255,.98); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); transition: opacity .22s ease, transform .22s ease, visibility .22s ease; }
.sub-nav a { display: block; padding: 10px 12px; border-radius: 10px; color: var(--text); font-size: 14px; white-space: nowrap; }
.sub-nav a:hover { color: var(--brand); background: var(--brand-soft); }
.nav-item.has-submenu:hover .sub-nav, .nav-item.has-submenu:focus-within .sub-nav { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 4px auto; border-radius: 999px; }

.hero { position: relative; overflow: hidden; padding: 72px 0 84px; background: #f3f5f8; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(42px, 6vw, 72px); margin-bottom: 24px; }
.hero-desc { color: var(--muted); font-size: 20px; max-width: 640px; margin-bottom: 34px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 42px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 560px; }
.stat { padding: 18px 0; background: transparent; border: 0; border-right: 1px solid var(--line); border-radius: 0; }
.stat:last-child { border-right: 0; }
.stat strong { display: block; color: var(--ink); font-size: 30px; line-height: 1; margin-bottom: 8px; }
.stat span { color: var(--muted); font-size: 14px; }
.hero-card { min-height: 430px; border-radius: var(--radius-lg); background: #e6eaee; border: 1px solid var(--line); box-shadow: var(--shadow); padding: 28px; display: grid; align-content: end; position: relative; overflow: hidden; }
.hero-card::before { content: none; }
.hero-card-panel { position: relative; background: rgba(255,255,255,.95); border: 1px solid var(--line); border-radius: 8px; padding: 24px; }

.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: 0 12px 40px rgba(15,23,42,.04); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.card:hover { transform: translateY(-6px); border-color: rgba(237,28,46,.22); box-shadow: var(--shadow-hover); }
.card-icon { width: 48px; height: 48px; border-radius: 6px; display: grid; place-items: center; color: var(--brand); background: var(--brand-soft); border: 1px solid #ffd8dd; font-weight: 800; margin-bottom: 22px; }
.card h3 { font-size: 22px; margin-bottom: 12px; }
.card p { color: var(--muted); margin-bottom: 0; }

.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.about-media { min-height: 420px; border-radius: var(--radius-lg); background: #dfe4e8 center/cover no-repeat; box-shadow: var(--shadow); }
.feature-list { display: grid; gap: 16px; margin-top: 26px; }
.feature-list li { padding-left: 28px; position: relative; color: var(--text); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--brand); font-weight: 900; }

.news-card { padding: 0; overflow: hidden; }
.news-thumb { aspect-ratio: 16/10; background: #e4e8eb; }
.news-body { padding: 24px; }
.news-meta { color: var(--muted); font-size: 14px; margin-bottom: 10px; }

.cta { padding: 76px 0; background: #111827; color: #c2c8d1; }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta h2 { color: #fff; font-size: clamp(30px, 4vw, 48px); margin-bottom: 12px; }
.cta p { margin-bottom: 0; max-width: 700px; }

.site-footer { background: #182235; color: #aeb6c2; padding: 58px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 36px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-title { color: #fff; font-weight: 800; margin-bottom: 18px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a:hover { color: #fff; }
.copyright { padding-top: 24px; color: rgba(255,255,255,.45); font-size: 14px; }

.page-hero { padding: 82px 0; background: #f3f5f8; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(34px, 5vw, 56px); margin-bottom: 14px; }
.breadcrumb { color: var(--muted); font-size: 14px; }
.content-prose { max-width: 860px; margin: 0 auto; color: var(--text); }
.content-prose h2 { font-size: 30px; margin-top: 1.6em; }
.content-prose p { margin-bottom: 1.1em; }
.content-prose img { border-radius: var(--radius); margin: 28px 0; }

.product-card { height: 100%; padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.product-thumb { aspect-ratio: 3/2; background: #f8f9fb; overflow: hidden; position: relative; border-bottom: 1px solid var(--line); }
.product-thumb.is-placeholder { display: grid; place-items: center; }
.product-thumb.is-placeholder::before { content: ""; position: absolute; inset: 22% 18%; border: 1px solid #aeb8c2; background: #f7f8f9; box-shadow: 8px 8px 0 #c8d0d7; }
.product-thumb.is-placeholder span { position: relative; z-index: 1; margin-top: 68px; color: var(--muted); font-size: 13px; }
.product-thumb img { width: 100%; height: 100%; padding: 20px; object-fit: contain; object-position: center; }
.product-thumb.is-photo img { padding: 0; object-fit: cover; }
.case-thumb img, .news-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.product-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { min-height: 2.36em; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.product-body p { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; }

.case-card { position: relative; min-height: 320px; padding: 0; overflow: hidden; color: #fff; }
.case-thumb { position: absolute; inset: 0; background: #596775 center/cover no-repeat; }
.case-overlay { position: absolute; inset: auto 0 0 0; padding: 46px 28px 24px; background: rgba(15,23,42,.78); }
.case-overlay span { display: inline-flex; margin-bottom: 8px; color: rgba(255,255,255,.72); font-size: 14px; }
.case-overlay h3 { color: #fff; margin-bottom: 0; }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.contact-list { display: grid; gap: 14px; margin-top: 30px; }
.contact-item { padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.contact-item strong { display: block; color: var(--ink); margin-bottom: 6px; }
.contact-item span { color: var(--muted); }
.contact-card { padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.form-placeholder { display: grid; gap: 14px; margin-top: 22px; }
.form-placeholder input, .form-placeholder textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; color: var(--text); font: inherit; outline: none; background: #fff; }
.form-placeholder input:focus, .form-placeholder textarea:focus { border-color: rgba(237,28,46,.45); box-shadow: 0 0 0 4px rgba(237,28,46,.08); }
.map-section { padding: 0 0 96px; }
.map-placeholder { min-height: 360px; display: grid; place-items: center; color: var(--muted); background: #e8ecef; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.page-list { margin-top: 42px; text-align: center; }
.page-list a, .page-list span { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; margin: 4px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--text); }
.page-list a:hover, .page-list .current { color: #fff; background: var(--brand); border-color: var(--brand); }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.product-detail-media { aspect-ratio: 3/2; display: grid; place-items: center; overflow: hidden; background: #f8f9fb; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.product-detail-media img { width: 100%; height: 100%; padding: 28px; object-fit: contain; object-position: center; }
.product-detail-media.is-placeholder { color: var(--muted); }
.detail-cover { width: min(100%, 980px); max-height: 560px; object-fit: cover; margin: 0 auto 46px; border-radius: var(--radius-lg); box-shadow: var(--shadow); }

@media (max-width: 960px) {
  .section { padding: 72px 0; }
  .hero-grid, .about-grid, .contact-grid, .product-detail-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .site-nav { position: fixed; left: 20px; right: 20px; top: 86px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 14px; }
  .nav-item { display: block; min-height: 0; }
  .nav-parent { display: block; }
  .sub-nav { position: static; width: auto; padding: 0 0 4px 16px; opacity: 1; visibility: visible; transform: none; border: 0; border-radius: 0; box-shadow: none; background: transparent; }
  .sub-nav a { padding: 8px 14px; color: var(--muted); font-weight: 500; }
  .nav-item.has-submenu:hover .sub-nav, .nav-item.has-submenu:focus-within .sub-nav { transform: none; }
  .nav-toggle { display: block; }
  .header-actions .btn { display: none; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--container)); }
  .hero { padding: 56px 0 58px; }
  .hero-stats, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: 0; }
  .hero-card { min-height: 320px; }
  .cta-box { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
}


/* =========================================================
   常州瞬谱整站适配 / Instant Spectrum site adaptations
   在参考模板的视觉参数上扩展，主色、间距和基础组件不变。
   Extends the reference template without changing its visual system.
   ========================================================= */
body.no-scroll{overflow:hidden}
.logo-copy{display:grid;line-height:1.15;min-width:0}
.logo-copy strong{color:var(--ink);font-size:17px;white-space:nowrap}
.logo-copy small{margin-top:4px;color:#87909d;font-size:8.5px;font-weight:600;letter-spacing:.055em;white-space:nowrap}
.site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:0 8px 28px rgba(15,23,42,.055)}
.nav-item.active>.nav-parent,.site-nav>.active{color:var(--brand)}
.sub-nav:empty{display:none}
.nav-item.has-submenu>.nav-parent::after{content:""}
.header-contact{display:none;color:var(--ink);font-size:13px;font-weight:700;white-space:nowrap}

.hero-card-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,24,39,.02) 34%,rgba(17,24,39,.24) 100%);pointer-events:none}
.hero-card-panel{z-index:2}
.hero-card-panel h3{font-size:23px;margin-bottom:8px}
.hero-card-panel p{margin:0;color:var(--muted)}
.stat strong.stat-word{font-size:24px}

.service-card{display:block;min-height:268px}
.service-card .card-icon{font-variant-numeric:tabular-nums}
.service-card .card-link{display:inline-flex;align-items:center;gap:8px;margin-top:22px;color:var(--ink);font-size:14px;font-weight:700}
.service-card:hover .card-link{color:var(--brand)}

.section-actions{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:42px}
.section-actions .section-head{margin-bottom:0}

.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.value-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.value-card strong{display:block;color:var(--ink);font-size:20px;margin-bottom:10px}
.value-card span{display:block;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
.value-card p{margin:0;color:var(--muted);font-size:15px}

.category-nav{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.category-nav a{display:inline-flex;align-items:center;min-height:42px;padding:0 18px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);font-size:14px;font-weight:700}
.category-nav a:hover,.category-nav a.active{color:#fff;background:var(--brand);border-color:var(--brand)}
.product-kicker{color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.product-body .card-link{margin-top:auto;padding-top:18px;color:var(--ink);font-size:14px;font-weight:700}
.product-card:hover .card-link{color:var(--brand)}

.product-detail-grid{align-items:start}
.product-gallery{min-width:0}
.gallery-main{aspect-ratio:3/2;display:grid;place-items:center;overflow:hidden;background:#f8f9fb;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.gallery-main img{width:100%;height:100%;padding:28px;object-fit:contain;object-position:center}
.gallery-thumbs{display:flex;gap:10px;overflow-x:auto;margin-top:12px;padding-bottom:4px}
.gallery-thumb{flex:0 0 86px;width:86px;height:66px;padding:5px;border:1px solid var(--line);border-radius:7px;background:#fff;cursor:pointer}
.gallery-thumb img{width:100%;height:100%;object-fit:contain}
.gallery-thumb.is-active{border-color:var(--brand);box-shadow:0 0 0 2px rgba(237,28,46,.08)}
.product-summary{padding-top:6px}
.product-summary .section-title{font-size:clamp(32px,4vw,50px)}
.detail-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin:28px 0;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.detail-meta>div{padding:15px 17px;background:#fff}
.detail-meta span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}
.detail-meta strong{display:block;color:var(--ink);font-size:15px;font-weight:700;word-break:break-word}

.content-shell{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start}
.content-prose{max-width:none;margin:0;min-width:0}
.content-prose>*:first-child{margin-top:0}
.content-prose h2{padding-bottom:13px;border-bottom:1px solid var(--line);font-size:30px;margin:1.7em 0 .75em}
.content-prose h3{font-size:22px;margin:1.5em 0 .65em}
.content-prose p,.content-prose li{color:var(--text)}
.content-prose ul,.content-prose ol{margin:0 0 1.25em;padding-left:1.25em}
.content-prose ul{list-style:disc}
.content-prose ol{list-style:decimal}
.content-prose li{margin:.45em 0}
.content-prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
.content-prose th,.content-prose td{padding:13px 15px;border:1px solid var(--line);text-align:left;vertical-align:top}
.content-prose th{color:#fff;background:#25334c}
.content-prose tr:nth-child(even) td{background:#f8f9fb}
.content-prose blockquote{margin:24px 0;padding:18px 22px;border-left:3px solid var(--brand);background:var(--brand-soft);color:var(--text)}
.content-aside{position:sticky;top:108px;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.content-aside h3{font-size:19px;margin-bottom:15px}
.content-aside p{color:var(--muted);font-size:14px;margin-bottom:18px}
.content-aside .btn{width:100%}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:42px;padding-top:30px;border-top:1px solid var(--line)}
.prev-next a{padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--text);font-size:14px}
.prev-next a:last-child{text-align:right}
.prev-next a:hover{color:var(--brand);border-color:rgba(237,28,46,.3)}

.article-card{height:100%;padding:0;overflow:hidden;display:flex;flex-direction:column}
.article-card .news-body{display:flex;flex:1;flex-direction:column}
.article-card .news-body h3{font-size:21px}
.article-card .news-body p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-card .card-link{margin-top:auto;padding-top:16px;color:var(--ink);font-size:14px;font-weight:700}
.article-card:hover .card-link{color:var(--brand)}

.contact-card .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-card .form-field-full{grid-column:1/-1}
.form-placeholder label{display:block;color:var(--ink);font-size:13px;font-weight:700;margin-bottom:6px}
.form-placeholder input,.form-placeholder textarea,.form-placeholder select{border-radius:6px}
.form-placeholder textarea{resize:vertical}
.form-note{margin-top:12px;color:var(--muted);font-size:12px}
.map-placeholder{padding:34px;text-align:center;background:linear-gradient(135deg,#eef1f4,#dfe4e8)}
.map-placeholder strong{display:block;color:var(--ink);font-size:24px;margin-bottom:10px}
.map-placeholder p{max-width:720px;margin:0 auto 22px;color:var(--muted)}

.search-bar{display:flex;gap:12px;max-width:720px;margin:0 auto 42px}
.search-bar input{flex:1;min-width:0;height:50px;padding:0 17px;border:1px solid var(--line);border-radius:6px;font:inherit;outline:none}
.search-bar input:focus{border-color:rgba(237,28,46,.5);box-shadow:0 0 0 4px rgba(237,28,46,.08)}
.search-result{display:block;padding:28px 0;border-bottom:1px solid var(--line)}
.search-result:first-child{border-top:1px solid var(--line)}
.search-result h3{font-size:23px;margin-bottom:8px}
.search-result p{margin:0;color:var(--muted)}
.search-result:hover h3{color:var(--brand)}
.empty-state{grid-column:1/-1;padding:60px 24px;border:1px dashed #cfd6df;border-radius:var(--radius);background:#f8f9fb;text-align:center;color:var(--muted)}

.company-name-en{color:var(--muted);font-size:13px;letter-spacing:.055em;text-transform:uppercase;margin:-4px 0 20px}
.vision-box{padding:42px;border-radius:var(--radius-lg);background:#111827;color:#c2c8d1}
.vision-box .eyebrow{color:#ff7c87}
.vision-box h2{color:#fff;font-size:clamp(30px,4vw,46px);margin-bottom:16px}
.vision-box p{margin:0;font-size:18px}
.footer-company-en{display:block;margin-top:7px;color:rgba(255,255,255,.44);font-size:10px;letter-spacing:.055em;line-height:1.5;text-transform:uppercase}
.footer-contact-line{display:flex;align-items:flex-start;gap:8px}
.footer-contact-line b{color:#fff;font-weight:600}

@media (min-width:1100px){.header-contact{display:block}}
@media (max-width:1080px){
  .site-nav{gap:20px}.logo-copy small{display:none}.logo-copy strong{font-size:16px}
  .values-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:960px){
  .content-shell{grid-template-columns:1fr}.content-aside{position:static}
  .section-actions{align-items:flex-start;flex-direction:column}
  .site-nav .nav-item{width:100%}
  .site-nav .nav-item>.nav-parent{padding:12px 14px}
  .sub-nav:empty{display:none}
}
@media (max-width:640px){
  .logo-copy strong{max-width:210px;overflow:hidden;text-overflow:ellipsis}
  .values-grid{grid-template-columns:1fr}
  .contact-card .form-grid{grid-template-columns:1fr}
  .detail-meta{grid-template-columns:1fr}
  .prev-next{grid-template-columns:1fr}.prev-next a:last-child{text-align:left}
  .vision-box{padding:28px}
  .section-actions .btn{width:100%}
  .gallery-main img{padding:18px}
}


/* R2.1：空二级导航修复与首页局部轮播 / Empty-submenu fix and restrained hero carousel */
.nav-item:not(.has-submenu)>.sub-nav{display:none!important}
.nav-item.has-submenu>.nav-parent::after{content:""}
.hero-card.hero-carousel{display:block;padding:0;background:#e6eaee;isolation:isolate}
.hero-card.hero-carousel::after{display:none}
.hero-carousel-track,.hero-slide{position:absolute;inset:0}
.hero-slide{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .46s ease,visibility .46s ease;background:linear-gradient(145deg,#eef1f4,#dfe4e9)}
.hero-slide.is-active{opacity:1;visibility:visible;pointer-events:auto}
.hero-slide-media{position:absolute;inset:0;padding:20px 28px 138px;display:flex;align-items:center;justify-content:center}
.hero-slide-media img{width:100%;height:100%;object-fit:contain;object-position:center}
.hero-carousel .hero-card-panel{position:absolute;left:28px;right:28px;bottom:28px;z-index:3;min-height:118px}
.hero-carousel .hero-card-panel .eyebrow{margin-bottom:8px;font-size:12px}
.hero-carousel .hero-card-panel h3{margin-bottom:6px}
.hero-carousel-controls{position:absolute;z-index:5;top:18px;right:18px;display:flex;align-items:center;gap:8px;padding:6px 8px;border:1px solid rgba(255,255,255,.78);border-radius:999px;background:rgba(255,255,255,.82);backdrop-filter:blur(10px);box-shadow:0 8px 22px rgba(15,23,42,.08)}
.hero-carousel-arrow{width:28px;height:28px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--ink);font:600 22px/1 Arial,sans-serif;cursor:pointer}
.hero-carousel-arrow:hover{color:var(--brand);background:var(--brand-soft)}
.hero-carousel-dots{display:flex;align-items:center;gap:6px}
.hero-carousel-dots button{width:7px;height:7px;padding:0;border:0;border-radius:999px;background:#aab3bf;cursor:pointer;transition:width .22s ease,background .22s ease}
.hero-carousel-dots button.is-active{width:22px;background:var(--brand)}
@media (prefers-reduced-motion:reduce){.hero-slide{transition:none}}
@media (max-width:960px){
  .site-nav .nav-item:not(.has-submenu)>.sub-nav{display:none!important}
  .hero-carousel .hero-card-panel{left:20px;right:20px;bottom:20px}
  .hero-slide-media{padding:18px 22px 132px}
}
@media (max-width:640px){
  .hero-carousel .hero-card-panel{left:14px;right:14px;bottom:14px;padding:18px;min-height:108px}
  .hero-carousel .hero-card-panel h3{font-size:20px}
  .hero-carousel .hero-card-panel p{font-size:14px;line-height:1.55}
  .hero-slide-media{padding:12px 18px 124px}
  .hero-carousel-controls{top:10px;right:10px}
}