:root {
  --bg: #f4f7fb;
  --bg-2: #edf3f9;
  --card: #ffffff;
  --text: #17324d;
  --muted: #607389;
  --line: #d9e3ee;
  --accent: #155bd6;
  --accent-2: #2f8cff;
  --accent-3: #0e9e8d;
  --shadow: 0 18px 50px rgba(22, 49, 79, 0.08);
  --radius: 24px;
  --radius-sm: 16px;
  --max: 1540px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 500px at 20% -10%, rgba(47, 140, 255, 0.12), transparent 55%),
    linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 72px 0; }
.section + .section { padding-top: 28px; }
.card {
  background: var(--card);
  border: 1px solid rgba(217, 227, 238, 0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.header {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.84); border-bottom: 1px solid rgba(217, 227, 238, 0.9);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 0; }
.brand { display: flex; align-items: center; min-width: 0; }
.brand-logo { width: auto; height: 64px; border-radius: 0; display: block; flex: 0 0 auto; }
.brand-mark {
  width: 46px; height: 46px; flex: 0 0 auto; border-radius: 16px;
  background: linear-gradient(135deg, #0f62fe, #49c6ff);
  box-shadow: 0 12px 30px rgba(21, 91, 214, 0.22); position: relative; overflow: hidden;
}
.brand-mark::before, .brand-mark::after {
  content: ''; position: absolute; inset: 10px; border-radius: 11px; border: 1.5px solid rgba(255,255,255,0.9); transform: rotate(12deg);
}
.brand-mark::after { inset: 16px 12px 12px 16px; transform: rotate(-18deg); opacity: 0.8; }
.nav { display: flex; align-items: center; gap: 24px; color: #3d536b; font-size: 14px; flex-wrap: wrap; }
.nav a { position: relative; padding: 4px 0; }
.nav a::after {
  content: ''; position: absolute; left: 0; bottom: -2px; width: 100%; height: 2px; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav a:hover, .nav a.active { color: var(--text); }
.btn, .btn-outline, .btn-soft {
  display: inline-flex; align-items: center; justify-content: center; height: 44px; padding: 0 18px;
  border-radius: 999px; border: 1px solid transparent; font-weight: 600; white-space: nowrap;
}
.btn { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; box-shadow: 0 14px 30px rgba(21,91,214,.18); }
.btn-outline { border-color: var(--line); background: rgba(255,255,255,.78); color: var(--text); }
.btn-soft { background: transparent; color: #9cc9ff; border-color: transparent; }
.hero {
  position: relative; min-height: 420px; display: flex; align-items: center; overflow: hidden; color: #fff;
  background: radial-gradient(700px 320px at 20% 20%, rgba(47,140,255,0.2), transparent 56%), linear-gradient(135deg, #20467c 0%, #15355f 52%, #0b1f37 100%);
}
.hero::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 34px 34px; opacity: .18; mask-image: linear-gradient(180deg, rgba(0,0,0,.85), transparent 92%); }
.hero::after { content: ''; position: absolute; right: -180px; top: -100px; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(73,198,255,.26), transparent 65%); filter: blur(8px); }
.hero-waves { position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image: repeating-radial-gradient(circle at 40% 28%, transparent 0 60px, rgba(122,205,255,.05) 60.5px 61.5px, transparent 63px 100px);
  -webkit-mask-image: radial-gradient(circle at 40% 28%, #000 42%, transparent 88%);
          mask-image: radial-gradient(circle at 40% 28%, #000 42%, transparent 88%); }
.hero-inner { position: relative; z-index: 1; padding: 44px 0; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px; height: 40px; padding: 0 14px; border-radius: 999px;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.92); font-size: 13px;
}
.hero-kicker::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #7cffcb; box-shadow: 0 0 0 5px rgba(124,255,203,.15); }
.hero h1 { margin: 18px 0 0; font-size: clamp(40px, 5.5vw, 68px); line-height: 1.22; letter-spacing: 0.08em; }
.hero p { margin: 18px 0 0; max-width: 760px; color: rgba(255,255,255,.82); line-height: 1.95; font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-top { display: grid; grid-template-columns: 1fr 1.1fr; gap: 28px; align-items: center; }
.hero-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 60px; width: min(100%, 720px); justify-self: start; }
.hero-stat { position: relative; text-align: center; padding: 4px 0; }
.hero-stat:not(:last-child)::after { content: ''; position: absolute; right: -31px; top: 6%; height: 88%; width: 1px; background: rgba(255,255,255,.28); }
.hero-stat:first-child::before { content: ''; position: absolute; left: -31px; top: 6%; height: 88%; width: 1px; background: rgba(255,255,255,.28); }
.hero-stat svg { display: block; margin: 0 auto 16px; width: 40px; height: 40px; color: #7cc4ff; }
.hero-stat strong { display: block; font-size: 34px; font-weight: 800; line-height: 1.1; color: #fff; letter-spacing: -0.02em; white-space: nowrap; }
.hero-stat h4 { margin: 10px 0 0; font-size: 15px; font-weight: 600; color: #fff; white-space: nowrap; }
.hero-stat span { display: block; margin-top: 8px; color: rgba(255,255,255,.6); font-size: 13px; line-height: 1.6; white-space: nowrap; }
.service-cards { margin-top: 42px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.service-card { display: flex; gap: 16px; align-items: flex-start; padding: 22px 20px; border-radius: 18px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); }
.svc-icon { flex: 0 0 auto; width: 46px; height: 46px; border-radius: 50%; background: rgba(21,91,214,.28); color: #7cc4ff; display: flex; align-items: center; justify-content: center; }
.svc-icon svg { width: 24px; height: 24px; }
.svc-text h3 { margin: 2px 0 6px; font-size: 17px; }
.svc-text p { margin: 0; color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.7; }
.page-banner { background: radial-gradient(700px 300px at 20% 20%, rgba(47,140,255,0.18), transparent 55%), linear-gradient(135deg, #1c3f74 0%, #0f2b50 52%, #0b1e36 100%); color: #fff; padding: 0; height: 350px; position: relative; overflow: hidden; }
.page-banner::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 34px 34px; opacity: .16; mask-image: linear-gradient(180deg, rgba(0,0,0,.85), transparent 95%); }
.page-banner::after { content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-radial-gradient(circle at 96% 6%, transparent 0 60px, rgba(122,205,255,.03) 60.5px 61.5px, transparent 63px 100px);
  -webkit-mask-image: radial-gradient(circle at 96% 6%, #000 42%, transparent 88%), linear-gradient(to right, transparent 40%, #000 62%);
          mask-image: radial-gradient(circle at 96% 6%, #000 42%, transparent 88%), linear-gradient(to right, transparent 40%, #000 62%);
  -webkit-mask-composite: source-in;
          mask-composite: intersect; }
.page-banner-inner { position: relative; z-index: 1; }
.page-banner h1 { margin: 0; padding-top: 78px; font-size: clamp(34px, 4.5vw, 56px); letter-spacing: 0; line-height: 1.15; }
.page-banner p { margin: 20px 0 0; max-width: 640px; color: rgba(255,255,255,.82); line-height: 1.85; font-size: 16px; min-height: 60px; }
.page-banner .pills { margin-top: 28px; }
.pills { display: flex; flex-wrap: wrap; gap: 10px; }
.pill { height: 36px; padding: 0 12px; border-radius: 999px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.9); display: inline-flex; align-items: center; font-size: 13px; }
.pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #7cffcb; margin-right: 8px; box-shadow: 0 0 0 5px rgba(124,255,203,.14); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.section-head h2 { margin: 0; font-size: 30px; letter-spacing: -0.03em; }
.section-head p { margin: 0; color: var(--muted); max-width: 72ch; line-height: 1.8; font-size: 15px; }
.split-2 { display: grid; grid-template-columns: 1.08fr .92fr; gap: 20px; align-items: stretch; }
.split-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tile { padding: 24px; }
.tech-list { display: flex; flex-direction: column; gap: 72px; }
.tech-unit { margin: 0 auto; width: 100%; }
.tech-head {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; margin: 0 0 26px;
}
.tech-deco { height: 2px; width: 90px; border-radius: 2px; flex: 0 1 90px; }
.tech-deco-l { background: linear-gradient(90deg, transparent, rgba(21, 91, 214, 0.5)); }
.tech-deco-r { background: linear-gradient(90deg, rgba(21, 91, 214, 0.5), transparent); }
.tech-num {
  width: 34px; height: 34px; flex: 0 0 auto; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(21, 91, 214, 0.28);
}
.tech-head h3 { margin: 0; font-size: 30px; letter-spacing: 3px; line-height: 1.3; white-space: nowrap; }
.reveal {
  opacity: 0;
  transform: translateY(42px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.app-card { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.app-card p { margin: 0 22px 22px; text-align: center; }
.app-cover { height: 360px; background-size: cover; background-position: center; transition: transform .45s ease; transform-origin: center bottom; }
.app-card:hover .app-cover { transform: scale(1.06); }
.tile h3, .tile h4 { margin: 0 0 12px; }
.tile h3 { font-size: 22px; }
.app-card h3 { margin: 24px 22px 10px; text-align: center; }
.tile h4 { font-size: 18px; }
.tile p, .tile li, .muted { color: var(--muted); line-height: 1.8; font-size: 14px; }
.tile ul { margin: 12px 0 0; padding-left: 18px; }
.badge { display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 12px; border-radius: 999px; background: rgba(21,91,214,.08); border: 1px solid rgba(21,91,214,.12); color: var(--accent); font-size: 13px; }
.badge::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 0 5px rgba(14,158,141,.12); }
.panel-image { min-height: 100%; border-radius: var(--radius); overflow: hidden; position: relative; background: linear-gradient(180deg, #0f2b50 0%, #163d72 100%); color: #fff; box-shadow: var(--shadow); }
.panel-image::before { content: ''; position: absolute; inset: 18px; border-radius: 18px; border: 1px solid rgba(255,255,255,.12); }
.panel-image::after { content: ''; position: absolute; inset: 0; pointer-events: none; background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px),
    repeating-radial-gradient(circle at 50% 42%, transparent 0 58px, rgba(122,205,255,.055) 59px 60px, transparent 61px 96px);
  background-size: 38px 38px, 38px 38px, auto; }
.panel-image-inner { position: relative; z-index: 1; padding: 24px 24px 28px; display: flex; flex-direction: column; justify-content: space-between; min-height: 100%; }
.panel-image h3 { margin: 0; font-size: 20px; }
.panel-image p { color: rgba(255,255,255,.76); line-height: 1.85; font-size: 14px; }
.panel-image .chips { margin-top: 20px; margin-bottom: 6px; }
.position-img { display: block; width: 100%; height: 380px; object-fit: cover; object-position: center; margin: 50px 0 0; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { height: 36px; padding: 0 12px; border-radius: 999px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.88); display: inline-flex; align-items: center; font-size: 13px; }
.chip.dark { color: var(--text); background: rgba(21,91,214,.08); border-color: rgba(21,91,214,.12); }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.stat { border-radius: 18px; background: linear-gradient(180deg, #f8fbff, #f2f7fc); border: 1px solid rgba(217, 227, 238, 0.9); padding: 18px; }
.stat strong { display: block; font-size: 28px; line-height: 1; letter-spacing: -0.04em; color: var(--accent); margin-bottom: 10px; }
.stat span { color: var(--muted); font-size: 13px; line-height: 1.6; }
.timeline { position: relative; margin-top: 10px; padding-left: 18px; display: grid; gap: 18px; }
.timeline::before { content: ''; position: absolute; left: 6px; top: 2px; bottom: 2px; width: 2px; background: linear-gradient(180deg, var(--accent), rgba(21,91,214,.15)); }
.timeline-item { position: relative; padding: 18px 18px 18px 22px; border-radius: 18px; background: linear-gradient(180deg, #ffffff, #f8fbff); border: 1px solid rgba(217, 227, 238, .9); box-shadow: 0 10px 30px rgba(22,49,79,.04); }
.timeline-item::before { content: ''; position: absolute; left: -21px; top: 24px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--accent); }
.timeline-item h4 { margin: 0 0 8px; font-size: 18px; }
.timeline-item p { margin: 0; color: var(--muted); line-height: 1.8; font-size: 14px; }
.list-check { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.list-check a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.list-check a:hover { color: var(--accent-2); }
.map-wrap {
  background: #fff;
  border: 1px solid rgba(217, 227, 238, 0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px;
}
#company-map { width: 100%; height: 320px; border-radius: 14px; z-index: 0; background: #eef3f9; }
.leaflet-container a { color: var(--accent); }
.list-check li { position: relative; padding-left: 22px; color: var(--muted); line-height: 1.8; font-size: 14px; }
.list-check li::before { content: '•'; position: absolute; left: 0; top: 0; color: var(--accent); font-size: 20px; line-height: 1.2; }
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.article { overflow: hidden; display: flex; flex-direction: column; }
.article-cover { height: 176px; background: linear-gradient(135deg, rgba(21,91,214,.9), rgba(47,140,255,.72)), radial-gradient(circle at 25% 25%, rgba(255,255,255,.28), transparent 40%); }
.article-body { padding: 22px; }
.article-body .meta { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 12px; color: var(--muted); font-size: 13px; }
.article-body h3 { margin: 0 0 10px; font-size: 18px; }
.article-body p { margin: 0; color: var(--muted); line-height: 1.8; font-size: 14px; }
.form { display: grid; gap: 14px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; color: #3f546a; }
.field input, .field textarea, .field select { width: 100%; border-radius: 14px; border: 1px solid var(--line); background: #fff; color: var(--text); padding: 14px 16px; outline: none; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: rgba(21,91,214,.35); box-shadow: 0 0 0 4px rgba(21,91,214,.08); }
.field textarea { min-height: 130px; resize: vertical; }
.notice { padding: 14px 16px; border-radius: 16px; background: rgba(21,91,214,.08); border: 1px solid rgba(21,91,214,.12); color: #35567c; line-height: 1.7; font-size: 14px; }
.footer { padding: 34px 0 42px; color: #6a7f95; text-align: center; font-size: 13px; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr .8fr; gap: 20px; align-items: start; }
.footer h4 { margin: 0 0 12px; color: var(--text); font-size: 16px; }
.footer p, .footer li { color: var(--muted); line-height: 1.8; font-size: 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li + li { margin-top: 8px; }
.footer a:hover { color: var(--accent); }
.footer-bottom { margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(217, 227, 238, 0.9); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; }
.mobile-toggle { display: none; width: 44px; height: 44px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255,255,255,.8); padding: 0; align-items: center; justify-content: center; gap: 4px; flex-direction: column; }
.mobile-toggle span { width: 18px; height: 2px; background: var(--text); border-radius: 99px; }
.mobile-menu { display: none; border-top: 1px solid rgba(217, 227, 238, 0.9); background: rgba(255,255,255,.96); }
.mobile-menu.open { display: block; }
.mobile-menu .wrap { padding: 12px 0 18px; }
.mobile-menu nav { display: grid; gap: 8px; }
.mobile-menu a { display: flex; align-items: center; height: 44px; padding: 0 12px; border-radius: 14px; color: #3d536b; }
.mobile-menu a.active { background: rgba(21,91,214,.08); color: var(--accent); }
.floating { position: fixed; right: 18px; bottom: 18px; z-index: 60; display: grid; gap: 10px; }
.floating a { width: 52px; height: 52px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; background: rgba(255,255,255,.92); border: 1px solid rgba(217,227,238,.95); box-shadow: var(--shadow); color: var(--accent); font-weight: 700; }
.hero-panel { margin-top: 28px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; }
.hero-panel .mini-card { padding: 20px; border-radius: 20px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.14); }
.hero-panel .mini-card h3 { margin: 0 0 10px; font-size: 18px; }
.hero-panel .mini-card p { margin: 0; color: rgba(255,255,255,.78); line-height: 1.8; font-size: 14px; }
.case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.case-item { padding: 24px; }
.case-item h3 { margin: 0 0 12px; font-size: 18px; }
.case-item .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.case-item .tag { display: inline-flex; align-items: center; height: 32px; padding: 0 12px; border-radius: 999px; background: rgba(21,91,214,.08); border: 1px solid rgba(21,91,214,.12); color: var(--accent); font-size: 12px; }
.case-item .tag.gray { background: #f4f7fb; color: #5c7088; border-color: var(--line); }
.kv-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.kv-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--muted); line-height: 1.8; font-size: 14px; }
.kv-list b { min-width: 84px; color: var(--text); }
.site-hero-note { margin-top: 18px; display: inline-flex; align-items: center; gap: 8px; color: rgba(255,255,255,.82); font-size: 13px; }
.site-hero-note::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #7cffcb; box-shadow: 0 0 0 5px rgba(124,255,203,.15); }
@media (max-width: 1180px) { .grid-4, .stats, .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .split-2, .article-grid, .hero-panel, .case-grid, .hero-top { grid-template-columns: 1fr; } .hero-stats { grid-template-columns: repeat(2, minmax(0,1fr)); row-gap: 26px; } .hero-stat:nth-child(3) { border-left: none; padding-left: 0; } }
@media (max-width: 860px) { .nav, .header .btn { display: none; } .mobile-toggle { display: inline-flex; } .hero-stats, .grid-3, .grid-4, .stats, .split-3, .article-grid, .footer-grid, .case-grid { grid-template-columns: 1fr; } .section-head { flex-direction: column; align-items: start; } .wrap { width: min(var(--max), calc(100% - 24px)); } .hero { min-height: auto; } .hero-inner { padding: 56px 0; } .service-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; } .service-card { flex-direction: column; } }
@media (max-width: 560px) { .hero-actions { flex-direction: column; } .hero-actions .btn, .hero-actions .btn-outline, .hero-actions .btn-soft { width: 100%; } .floating { right: 12px; bottom: 12px; } }
.product-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.product-detail { padding: 24px; }
.product-detail .meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 12px; }
.product-detail .meta span {
  display: inline-flex; align-items: center; height: 30px; padding: 0 10px;
  border-radius: 999px; background: rgba(21,91,214,.08); border: 1px solid rgba(21,91,214,.12); color: var(--accent); font-size: 12px;
}
.product-detail .desc { margin-bottom: 14px; }
.product-detail .kv { display: grid; gap: 10px; }
.product-detail .kv div { display: grid; grid-template-columns: 88px 1fr; gap: 10px; align-items: start; }
.product-detail .kv b { color: var(--text); font-size: 14px; }
.product-detail .kv span { color: var(--muted); font-size: 14px; line-height: 1.8; }
@media (max-width: 1180px) { .grid-4, .stats, .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .split-2, .article-grid, .hero-panel, .case-grid, .product-detail-grid { grid-template-columns: 1fr; } }
@media (max-width: 860px) { .nav, .header .btn { display: none; } .mobile-toggle { display: inline-flex; } .hero-stats, .grid-3, .grid-4, .stats, .split-3, .article-grid, .footer-grid, .case-grid, .product-detail-grid { grid-template-columns: 1fr; } .section-head { flex-direction: column; align-items: start; } .wrap { width: min(var(--max), calc(100% - 24px)); } .hero { min-height: auto; } .hero-inner { padding: 56px 0; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; } }


.product-category-link { display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; background-color: #1d3354; border-color: rgba(124,196,255,.16); background-size: auto var(--bsh, 60%); background-position: var(--bpx, 82%) var(--bpy, center); background-repeat: no-repeat; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease, background-size .3s ease; }
.product-category-link::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(9,22,44,0) 0%, rgba(9,22,44,.05) 30%, rgba(9,22,44,.38) 62%, rgba(9,22,44,.74) 100%); pointer-events: none; transition: opacity .25s ease; }
.product-category-link::after { content: ''; position: absolute; right: 6%; top: 30%; width: 150px; height: 150px; border-radius: 50%; background: rgba(90,180,255,.22); filter: blur(26px); opacity: .55; transition: opacity .3s ease; pointer-events: none; }
.product-category-link.pc-slim::after { width: 96px; height: 180px; right: 10%; top: 26%; background: rgba(90,180,255,.26); }
.product-category-link.pc-suck::after { top: 44%; }
.pc-body { position: relative; z-index: 1; width: 55%; display: flex; flex-direction: column; align-items: flex-start; }
.product-category-link > .arrow { position: relative; z-index: 1; width: 55%; }
.product-category-link:hover { transform: translateY(-3px); border-color: rgba(124,196,255,.55); box-shadow: 0 24px 60px rgba(22,49,79,.12); background-size: auto calc(var(--bsh, 60%) + 3%); }
.product-category-link:hover::before { opacity: .72; }
.product-category-link:hover::after { opacity: 1; }
.product-category-link h3 { color: #fff; font-size: 20px; margin: 10px 0 8px; }
.product-category-link p { color: rgba(255,255,255,.85); }
.product-category-link .badge { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.28); color: #fff; }
.product-category-link .badge::before { background: #7cffcb; box-shadow: 0 0 0 5px rgba(124,255,203,.18); }
.product-category-link .arrow { margin-top: 14px; color: rgba(255,255,255,.58); font-size: 13px; font-weight: 400; transition: color .25s ease; }
.product-category-link:hover .arrow { color: #9cc9ff; }
.catalog-top { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; align-items: stretch; }
.catalog-note { padding: 24px; }
.catalog-note p { color: var(--muted); line-height: 1.85; }
.antenna-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.antenna-card { overflow: hidden; display: flex; flex-direction: column; height: 100%; }
.antenna-card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.antenna-card-body h3 { margin: 0 0 10px; font-size: 19px; min-height: 52px; display: flex; align-items: flex-start; }
.antenna-card-body p { margin: 0; color: var(--muted); line-height: 1.8; font-size: 14px; min-height: 76px; }
.antenna-photo { 
  width: 100%; border: 0; cursor: pointer; padding: 0; text-align: left; color: #fff;
  min-height: 280px; display: flex; align-items: end; justify-content: space-between;
  background: linear-gradient(180deg, #183b68 0%, #10284a 100%);
  position: relative; overflow: hidden;
}
.antenna-photo::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 22% 24%, rgba(255,255,255,.24), transparent 28%),
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: auto, 24px 24px, 24px 24px;
  opacity: .95;
}
.antenna-photo-inner { position: relative; z-index: 1; width: 100%; padding: 20px; display: flex; justify-content: space-between; gap: 12px; align-items: end; }
.antenna-photo strong { display: block; font-size: 22px; letter-spacing: -0.03em; }
.antenna-photo span { display: inline-flex; margin-top: 8px; color: rgba(255,255,255,.82); font-size: 13px; }
.antenna-photo .view { white-space: nowrap; font-size: 12px; padding: 8px 10px; border-radius: 999px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.16); }
.antenna-photo-vertical { min-height: 280px; background-repeat: no-repeat; background-position: center center; background-size: contain; }
.antenna-photo-horizontal { min-height: 280px; background-repeat: no-repeat; background-position: center center; background-size: 39% auto; }
.antenna-photo-array { min-height: 280px; background-repeat: no-repeat; background-position: center center; background-size: auto 72%; }
.antenna-photo-fpc { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: 64% auto; }
.antenna-photo-fpc-vertical { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: auto 82%; }
.antenna-photo-fpc-nfc { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: 72% auto; }
.antenna-photo-fpc-4g { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: auto 140%; }
.antenna-photo-lds { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: 58% auto; }
.antenna-photo-rod { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: auto 94%; }
.antenna-photo-suction { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: auto 94%; }
.antenna-photo-met { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: auto 82%; }
.antenna-photo-spring { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: auto 78%; }
.antenna-photo-spring-h { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: 56% auto; }
.antenna-photo-cer { min-height: 220px; background-repeat: no-repeat; background-position: center center; background-size: 46% auto; }
.antenna-photo-vertical::before,
.antenna-photo-horizontal::before { display: none; }
.antenna-photo-clean::before { display: none; }
.antenna-photo-clean { box-shadow: none; background-color: #fff; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.breadcrumb a { color: var(--accent); }
.spec-modal {
  position: fixed; inset: 0; z-index: 120; display: none; align-items: center; justify-content: center;
  background: rgba(8, 18, 34, 0.56); padding: 20px;
}
.spec-modal.open { display: flex; }
.spec-modal-dialog {
  width: min(780px, 100%); max-height: min(85vh, 900px); overflow: auto;
  background: #fff; border-radius: 24px; box-shadow: 0 30px 80px rgba(10,22,40,.28); border: 1px solid rgba(217,227,238,.95);
}
.spec-modal-head { display: flex; justify-content: space-between; gap: 14px; padding: 24px 24px 16px; border-bottom: 1px solid var(--line); }
.spec-modal-head h3 { margin: 0; font-size: 24px; }
.spec-modal-head p { margin: 8px 0 0; color: var(--muted); line-height: 1.8; font-size: 14px; }
.spec-close {
  width: 42px; height: 42px; border-radius: 14px; border: 1px solid var(--line); background: #fff; color: var(--text); cursor: pointer;
}
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: 14px 24px; text-align: left; border-bottom: 1px solid rgba(217,227,238,.9); font-size: 14px; }
.spec-table th { width: 132px; color: var(--text); }
.spec-table td { color: var(--muted); line-height: 1.8; }
.spec-foot { padding: 18px 24px 24px; color: var(--muted); font-size: 13px; line-height: 1.8; }
@media (max-width: 1180px) { .catalog-top, .antenna-grid { grid-template-columns: 1fr; } }
@media (max-width: 860px) { .antenna-grid { grid-template-columns: 1fr; } .spec-table th, .spec-table td { padding: 12px 16px; } .spec-modal-head { padding: 18px 18px 12px; } }

.brand-link { display: inline-flex; align-items: center; text-decoration: none; }
.brand-link:hover img { opacity: .88; }

.index-banner { padding: 0; min-height: 640px; display: flex; align-items: center; background:
    url('images/index-banner.webp') center center/100% auto no-repeat,
    #0d284a; }
.index-banner .page-banner-inner { margin: 0 auto; transform: translateY(22px); }
.index-banner h1 { max-width: 860px; padding-top: 0; line-height: 1.42; letter-spacing: 2px; }
.index-banner p { max-width: 720px; height: auto; margin-top: 18px; }
.index-banner .pills { margin-top: 24px; }
.banner-earth { position: absolute; z-index: 0; pointer-events: none; width: 26vw; height: auto;
  left: 72.5%; top: calc(320px - 4.478vw); transform: translate(-51.3%, -40.9%);
  filter: invert(1) drop-shadow(0 0 10px rgba(120, 210, 255, .55)); }
.banner-antenna { position: absolute; z-index: 1; pointer-events: none; height: 22vw; width: auto;
  left: 72.5%; top: calc(320px - 4.478vw); transform: translate(-43%, -50%);
  -webkit-mask-image: linear-gradient(to top, transparent 0%, #000 10%);
          mask-image: linear-gradient(to top, transparent 0%, #000 10%); }
.index-banner::after { display: none; }
.banner-feats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 68px; max-width: 640px; background: rgba(9, 20, 44, .62); border: 1px solid rgba(255,255,255,.14); border-radius: 16px; padding: 22px 6px; -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.banner-feats .feat { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 7px; padding: 4px 2px; }
.banner-feats .feat + .feat { border-left: 1px solid rgba(255,255,255,.12); }
.banner-feats svg { width: 32px; height: 32px; color: #7cc4ff; }
.banner-feats strong { color: #fff; font-size: 16px; font-weight: 700; letter-spacing: 1px; }
.banner-feats span { color: rgba(255,255,255,.84); font-size: 12.5px; line-height: 1.6; }
@media (max-width: 1000px) { .banner-feats { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 860px) { .banner-feats { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; } }
@media (max-width: 860px) { .index-banner { display: block; height: auto; min-height: 0; padding: 46px 0 40px; } .index-banner .page-banner-inner { position: relative; z-index: 2; padding: 0 6px; transform: none; } .index-banner h1 { font-size: clamp(21px, 7vw, 28px) !important; letter-spacing: 0 !important; line-height: 1.4 !important; max-width: 100% !important; } .index-banner .banner-feats { margin-top: 36px; } .banner-earth, .banner-antenna { display: none; } }

.about-intro h4 { margin: 24px 0 8px; font-size: 17px; color: var(--accent); }
.about-intro { position: relative; }
.about-intro h3 { margin-top: 24px; }
.about-intro::before { content: ''; position: absolute; inset: 18px; border-radius: 18px; border: 1px solid rgba(21, 91, 214, .16); pointer-events: none; }
/* ===== 研发能力页：按 P1/P2 原图排版复刻 (2026-08) ===== */
.rd-outer { position: relative; }
.rd-block { display: flex; flex-direction: column; gap: 30px; }

/* 单元导语（P1：深色大字标题居中） */
.rd-slogan { margin: 0; font-size: 24px; font-weight: 800; color: #021a48; text-align: center; letter-spacing: 2px; line-height: 1.2; }
/* 父容器rd-block有30px gap，用负margin抵消，让两行标题尽量贴近 */
.rd-slogan-big { margin: -28px 0 0; font-size: 32px; font-weight: 800; color: #021a48; text-align: center; letter-spacing: 2px; line-height: 1.3; }

/* 单元01：五列流程卡（P1：白卡 + 深蓝标题栏） */
.flow-grid { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; margin-top: 10px; }
.flow-card { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid rgba(0, 60, 130, .1); border-radius: 16px; box-shadow: 0 8px 24px rgba(22, 49, 79, .07); padding: 0 14px 16px; }
/* 深蓝标题栏（P1：整条深蓝底，白色主标题+副标题） */
.flow-head { display: flex; align-items: flex-start; gap: 6px; margin: 0 -14px 12px; padding: 11px 14px 9px; background: linear-gradient(135deg, #013a92 0%, #002a66 100%); border-radius: 16px 16px 0 0; }
/* 卡片间连接箭头（浅蓝实心箭头：三角头高于矩形杆形成台阶，纯色无渐变） */
.flow-card:not(:last-child)::after { content: ''; position: absolute; right: -27px; top: 30px; transform: translateY(-50%); width: 36px; height: 30px; background: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%3E%3Cpath%20d='M2%207H14V4L24%2012L14%2020V17H2Z'%20fill='%239CC4E6'/%3E%3C/svg%3E") no-repeat center / contain; z-index: 3; }
.flow-num { font-size: 16px; font-weight: 800; color: #fff; line-height: 1; margin-top: 3px; }
.flow-titles { min-width: 0; }
.flow-card h4 { margin: 0; font-size: 16px; font-weight: 700; color: #fff; line-height: 1.3; letter-spacing: .5px; white-space: nowrap; }
.flow-sub { margin: 3px 0 0; font-size: 11.5px; color: rgba(255, 255, 255, .86); letter-spacing: .5px; line-height: 1.4; white-space: nowrap; }

/* 图片槽（前4卡：原图通栏展示，无边框无圆角，左右贴边；第1张竖图限高300px避免顶行，object-fit保证不变形） */
.flow-imgs { margin: 0 -14px 13px; }
.flow-imgs img { width: 100%; height: auto; max-height: 300px; object-fit: contain; display: block; }
/* 前4卡文字列表贴底，末行与第5张卡片末行对齐（用nth-child选择器，兼容第3张卡插入表格后的结构） */
.flow-grid > .flow-card:nth-child(-n+4) > .flow-list { margin-top: auto; }
/* 第3张卡：表格后的列表恢复固定上距，表格上下auto边距平分空白，保证表格与图片/文字间距相等 */
.flow-grid > .flow-card:nth-child(3) > .flow-list { margin-top: 6px; }
/* 第3张卡：图片下边距收紧，缩小表格与图片的间距 */
.flow-card:nth-child(3) .flow-imgs { margin: 0 -14px 6px; }
/* 第3张卡：测量读数表（深蓝表头+白字+灰色细线），宽90%、行距与列表统一1.6、垂直居中 */
.rd-measure-table { align-self: center; margin: auto; width: 90%; border-collapse: collapse; font-size: 13px; line-height: 1.6; }
.rd-measure-table th { background: #002a66; color: #fff; font-weight: 600; letter-spacing: .5px; padding: 0 8px; border: 1px solid #cfd6e3; white-space: nowrap; }
.rd-measure-table td { border: 1px solid #cfd6e3; padding: 0 8px; text-align: center; white-space: nowrap; color: #33455f; }

/* 列表（P1：与文字同色的实心圆点） */
.flow-list { list-style: none; margin: 13px 0 0; padding: 0; display: grid; gap: 7px; }
.flow-list li { position: relative; padding-left: 13px; font-size: 13px; line-height: 1.6; color: #33455f; }
.flow-list li::before { content: ''; position: absolute; left: 0; top: 8px; width: 5px; height: 5px; border-radius: 50%; background: #33455f; }

/* 无源/有源子块（P1：深蓝小胶囊标签在上，拼接图在下全宽显示；内部间距统一6px节奏） */
.flow-sub-block { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; margin-top: 6px; }
/* 标题栏后紧邻的首个子块去掉上边距，避免第5张卡片顶部间距双倍（head 12px + sub-block 12px） */
.flow-head + .flow-sub-block { margin-top: 0; }
.flow-sub-label { flex: 0 0 auto; display: inline-block; padding: 2px 10px; border-radius: 999px; background: #002a66; color: #fff; font-size: 11px; font-weight: 600; letter-spacing: 1px; }
.flow-sub-img { width: 100%; }
.flow-sub-img img { width: 100%; height: auto; max-height: 92px; object-fit: contain; border-radius: 10px; border: 1px solid rgba(0, 60, 130, .1); background: #fff; }
/* 第5张卡子块后的列表收紧上距与项距，给放大后的图片腾高度（行高1.5，仅作用于第5张） */
.flow-sub-block + .flow-list { margin-top: 6px; gap: 5px; }
.flow-sub-block + .flow-list li { line-height: 1.5; }
/* 第5张卡的末个列表贴底，5张卡末行在任意宽度下都齐平（余量吸收在图片与文字间） */
.flow-sub-block + .flow-list:last-child { margin-top: auto; }

/* 全链条能力支撑（2026-08-21定稿：细单边框 + 居中胶囊标题 + 六列卡片） */
.cap-panel { position: relative; background: #F5F9FC; border: 1px solid #1A3A6B; border-radius: 12px; padding: 36px 22px 0; box-shadow: 0 2px 10px rgba(26, 58, 107, .08); }
.cap-title { position: absolute; top: -18px; left: 50%; transform: translateX(-50%); display: block; text-align: center; padding: 10px 36px; border-radius: 999px; background: #1A3A6B; color: #fff; font-size: 18px; font-weight: 700; letter-spacing: 3px; white-space: nowrap; }
.cap-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; padding: 6px 6px 0; }
.cap-item { position: relative; display: flex; flex-direction: row; align-items: center; gap: 10px; padding: 6px 12px; text-align: left; }
.cap-item + .cap-item::before { content: ''; position: absolute; left: 0; top: 18%; height: 64%; width: 1px; background: #D0D9E8; }
.cap-item img { width: 44px; height: 44px; object-fit: contain; flex-shrink: 0; margin: 0; }
.cap-txt { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.cap-item strong { font-size: 16px; color: #1A3A6B; white-space: nowrap; letter-spacing: 1px; }
.cap-item span { font-size: 13px; color: #5A6A80; line-height: 1.55; }

/* 底部闭环流程带（参考图：容器内平行四边形斜切浅蓝带 + 深蓝圆角按钮） */
.flow-bar { position: relative; display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; background: #eef5fb; border-top: 1px solid #D0D9E8; padding: 16px 28px; margin-top: 26px; clip-path: polygon(18px 0, 100% 0, calc(100% - 18px) 100%, 0 100%); }
.flow-bar-steps { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 7px; }
.flow-bar-steps span { font-size: 14px; color: #2A4A7A; font-weight: 600; white-space: nowrap; }
.flow-bar-steps i { font-style: normal; color: #1A3A6B; font-size: 14px; }
.flow-bar-chip { position: absolute; right: 28px; top: 50%; transform: translateY(-50%); flex: 0 0 auto; padding: 10px 20px; border-radius: 8px; background: #1A3A6B; color: #fff; font-size: 14px; font-weight: 700; letter-spacing: 1px; white-space: nowrap; }

/* 单元02：顶部成就区（P2：深蓝大标题 + 图标上/文字下的优势卡） */
.rd-hero { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 0; align-items: stretch; background: linear-gradient(100deg, #e2ebf6 0%, #e9f1f9 55%, #ffffff 100%); border-radius: 18px; overflow: hidden; }
.rd-hero-text { display: flex; flex-direction: column; justify-content: flex-start; padding: 30px 28px 20px; }
.rd-hero-head { display: flex; align-items: center; justify-content: flex-start; gap: 20px; margin: 12px 0 0 55px; }
.rd-hero-title { min-width: 0; text-align: left; }
.rd-hero-line1 { margin: 0; font-size: 36px; font-weight: 700; color: #1a3a6b; letter-spacing: 2px; }
.rd-hero-line2 { margin: 12px 0 0; font-size: clamp(40px, 5.4vw, 58px); font-weight: 800; line-height: 1.15; color: #033585; letter-spacing: 2px; }
.rd-hero-line3 { margin: 8px 0 0; font-size: 32px; font-weight: 700; color: #1a3a6b; letter-spacing: 1px; }
.adv-chips { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: auto; }
.adv-chip { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; text-align: center; }
.adv-chip + .adv-chip::before { content: ""; position: absolute; left: -9px; top: 50%; transform: translateY(-50%); width: 1px; height: 64%; background: #a3b7cf; }
.adv-chip img { width: 64px; height: 64px; object-fit: contain; margin-bottom: 6px; }
.adv-chip strong { display: block; font-size: 18px; font-weight: 800; color: #17324d; }
.adv-chip span { display: block; font-size: 14px; font-weight: 700; color: #4a5c78; line-height: 1.6; margin-top: 3px; }
.rd-hero-photo { position: relative; background: linear-gradient(to right, #e9f1f9 0%, #142c4e 40%, #142c4e 100%); }
.rd-hero-photo img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; box-shadow: none; border: none; -webkit-mask-image: linear-gradient(to right, transparent 0, #000 30%); mask-image: linear-gradient(to right, transparent 0, #000 30%); }

/* 关键挑战（P2：中蓝横幅 + 白卡） */
.chal-zone { position: relative; background: #F5F9FC; border: 1px solid rgba(26, 58, 107, .18); border-radius: 16px; padding: 20px 16px 16px; box-shadow: 0 2px 10px rgba(26, 58, 107, .06); }
.chal-zone .chal-banner { margin-top: 0; }
.chal-zone .chal-grid { margin-top: 14px; }
.chal-zone .scene-strip { margin-top: 14px; margin-bottom: 2px; }
.chal-banner { margin-top: 30px; text-align: center; padding: 13px 16px; border-radius: 14px; background: #1249a1; color: #fff; font-size: 19px; font-weight: 700; letter-spacing: 2px; box-shadow: 0 8px 18px rgba(18, 73, 161, .16); }
.chal-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 16px; }
.chal-card { display: flex; flex-direction: column; padding: 16px 14px; border-radius: 16px; background: #fff; border: 1px solid rgba(0, 60, 130, .1); box-shadow: 0 8px 24px rgba(22, 49, 79, .07); }
.chal-head { display: flex; align-items: center; gap: 10px; }
.chal-head img { width: 44px; height: 44px; object-fit: contain; flex: 0 0 auto; border-radius: 50%; }
.chal-head h4 { margin: 0; font-size: 17px; font-weight: 700; color: #033585; }
.chal-card p { margin: 10px 0 14px; font-size: 13px; color: #0f1b2b; line-height: 1.75; }
.chal-photo { width: 100%; height: auto; border-radius: 10px; border: 1px solid rgba(0, 60, 130, .1); margin-top: auto; }

/* 应用场景条（P2：浅蓝标签块 + 产品图） */
.scene-strip { display: flex; align-items: stretch; gap: 14px; margin-top: 16px; flex-wrap: wrap; }
.scene-label { flex: 0 0 auto; display: flex; align-items: center; padding: 0 22px; border-radius: 12px; background: #deebfb; color: #033585; font-size: 15px; font-weight: 700; letter-spacing: 2px; }
.scene-item { position: relative; flex: 1 1 0; min-width: 110px; display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 8px 4px; }
.scene-item + .scene-item::before { content: ""; position: absolute; left: -7px; top: 50%; transform: translateY(-50%); width: 1px; height: 44px; background: #c9d6e8; }
.scene-item img { height: 66px; width: auto; max-width: 100%; object-fit: contain; }
.scene-item span { font-size: 13px; color: #1c3a6e; font-weight: 600; }

/* 响应式 */
@media (max-width: 1280px) { .flow-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } .flow-card:nth-child(3)::after { display: none; } }
@media (max-width: 1180px) { .cap-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 16px; } .cap-item:nth-child(3n+1)::before { display: none; } .cap-item:nth-child(n+4) { border-top: 1px solid #DFE6EF; } .chal-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .rd-hero { grid-template-columns: 1fr; } .rd-hero-photo { margin-top: 24px; } .rd-hero-photo img { max-height: 440px; object-fit: cover; height: auto; } }
@media (max-width: 860px) { .flow-grid, .cap-grid { grid-template-columns: 1fr; } .flow-card::after { display: none; } .cap-item::before { display: none; } .cap-item + .cap-item { border-top: 1px solid #DFE6EF; } .flow-bar { justify-content: flex-start; } .flow-bar-chip { position: static; transform: none; margin-left: auto; } .chal-grid, .adv-chips { grid-template-columns: 1fr; } .adv-chip + .adv-chip::before { display: none; } .chal-zone { padding: 14px 10px 12px; } .rd-hero-line2 { font-size: 40px; } .rd-slogan-big { font-size: 28px; } .rd-slogan { font-size: 16px; } .scene-strip { gap: 10px; } .scene-item { min-width: 42%; } .scene-item + .scene-item::before { display: none; } .flow-sub-img img { max-height: 92px; } .flow-sub-block { align-items: flex-start; flex-direction: column; } .flow-imgs img { max-height: none; } .flow-sub-block + .flow-list:last-child { margin-top: 6px; } .adv-chips { gap: 14px; } }
/* ============ i18n language switch (zh/en) ============ */
.lang-switch {
  display: inline-flex; align-items: center; gap: 2px;
  background: #eef3f9; border: 1px solid #dbe4ef; border-radius: 999px;
  padding: 3px; flex: 0 0 auto; user-select: none;
}
.lang-switch .lang-btn {
  appearance: none; border: 0; background: transparent;
  font: inherit; font-size: 13px; font-weight: 600; line-height: 1;
  color: #7b8ea3; padding: 7px 11px; border-radius: 999px; cursor: pointer;
  letter-spacing: .02em; white-space: nowrap;
}
.lang-switch .lang-btn:hover { color: #1a2b3f; }
.lang-switch .lang-btn.on { background: #fff; color: #155bd6; box-shadow: 0 2px 8px rgba(21, 91, 214, .16); }
.lang-switch--fixed { position: fixed; top: 14px; right: 14px; z-index: 80; box-shadow: 0 10px 26px rgba(21, 60, 110, .12); }

@media (max-width: 860px) {
  .lang-switch { margin-left: auto; }
}

/* english mode: english copy is ~30% longer than zh, keep header & hero tidy */
html[lang="en"] .nav { gap: 18px; font-size: 13.5px; }
html[lang="en"] body { letter-spacing: 0; }

/* english mode overrides */
html[lang="en"] .hero-stat strong { white-space: normal; font-size: 27px; letter-spacing: -0.01em; }
html[lang="en"] .hero-stat h4 { white-space: normal; font-size: 14px; margin-top: 8px; }
html[lang="en"] .hero-stat span { white-space: normal; font-size: 12px; line-height: 1.5; }
html[lang="en"] .cap-item strong { white-space: normal; font-size: 14px; letter-spacing: 0; line-height: 1.35; }

/* mobile < 600px: move language switch into the drawer menu so the top bar stays uncluttered */
.mobile-menu .lang-switch { display: none; margin: 14px auto 2px; }
@media (max-width: 600px) {
  .header-inner .lang-switch { display: none; }
  .mobile-menu.open .lang-switch { display: inline-flex; }
}
/* english mode: let long labels in flow cards wrap */
html[lang="en"] .flow-card h4 { white-space: normal; font-size: 15px; letter-spacing: 0; }
html[lang="en"] .flow-sub { white-space: normal; font-size: 11.5px; }
html[lang="en"] .tech-head h3 { white-space: normal; letter-spacing: 1px; font-size: clamp(22px, 5vw, 30px); line-height: 1.35; }
html[lang="en"] .cap-title { white-space: normal; font-size: 16px; letter-spacing: 1px; padding: 10px 22px; max-width: calc(100% - 24px); width: max-content; }
html[lang="en"] .cap-title { line-height: 1.4; }
html[lang="en"] .flow-bar-chip { font-size: 13px; letter-spacing: 0; padding: 10px 14px; }
/* english product grid: collapse the inline 4-across only in EN mode for readability */
@media (max-width: 1100px) and (min-width: 641px) {
  html[lang="en"] .antenna-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; max-width: 760px !important; }
}
@media (max-width: 640px) {
  html[lang="en"] .antenna-grid { grid-template-columns: 1fr !important; max-width: none !important; }
}