@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap");

/* Kaisuo 鈥?premium dark industrial (obsidian + teal/gold) */
:root {
  --bg: #07080b;
  --bg-elevated: #0c0e14;
  --panel: #12151c;
  --panel-face: #161a24;
  --panel-highlight: #1c212e;
  --ink: #eef0f5;
  --muted: #8b93a5;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --accent: #1e3a8a;
  --accent-dim: rgba(30, 64, 175, 0.14);
  --accent-2: #2563eb;
  --accent-3: #9b8cff;
  --warm: #d4a574;
  --dark: #030305;
  --dark-line: rgba(255, 255, 255, 0.06);
  --metal-dark: #0a0c10;
  --metal-mid: #2a3140;
  --frame-outer: rgba(255, 255, 255, 0.12);
  --frame-mid: rgba(255, 255, 255, 0.07);
  --bezel-inset: rgba(0, 0, 0, 0.45);
  --bezel-top: rgba(255, 255, 255, 0.06);
  --mold-cavity: #040810;
  --mold-navy: #0a1628;
  --chrome-hi: #f4f6fa;
  --chrome-mid: #8b95a8;
  --chrome-lo: #5c6575;
  --pin-rim: rgba(255, 255, 255, 0.04);
  --glow-teal: 0 0 40px rgba(30, 64, 175, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Outfit", "Noto Sans SC", system-ui, sans-serif;
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(30, 64, 175, 0.08), transparent 50%),
    radial-gradient(ellipse 80% 50% at 100% 50%, rgba(110, 179, 255, 0.05), transparent 45%),
    linear-gradient(180deg, #08090d 0%, #07080b 100%);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }

.metal-strip {
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(212, 165, 116, 0.5) 20%,
    var(--accent) 50%,
    rgba(212, 165, 116, 0.5) 80%,
    transparent 100%
  );
  opacity: 0.9;
}

/* 仅站点顶栏；勿用 header 通配，否则会误伤首页 <header class="ks-heading"> */
body > header {
  position: sticky;
  top: 0;
  z-index: 100;
  overflow: visible;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 11, 16, 0.72);
  backdrop-filter: blur(20px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}
.topbar {
  --topbar-fs: 9pt; /* 小五：顶栏菜单 / Logo 文字 / 语言 / CTA */
  --logo-mark-size: 39px; /* 旧图标尺寸（兼容） */
  --logo-full-h: 47px; /* 完整横版 Logo 高度（较 36px 放大 30%） */
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 8px 10px;
  min-height: max(44px, var(--logo-full-h, 47px));
  padding-block: 6px;
  font-size: var(--topbar-fs);
  overflow: visible;
}
.topbar .logo {
  flex: 0 0 auto;
}
.primary-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  justify-content: center;
  flex-wrap: nowrap;
  align-items: center;
  gap: 2px 4px;
  overflow-x: auto;
  overflow-y: visible;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.primary-nav::-webkit-scrollbar {
  display: none;
}
.topbar-tools {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px 10px;
  margin-inline-start: auto;
  flex-shrink: 0;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-inline-start: auto;
}
.header-cta {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 5px 10px;
  flex-shrink: 0;
  font-size: var(--topbar-fs, 9pt);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: #ffffff;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  border-radius: 6px;
  box-shadow: 0 2px 16px rgba(30, 64, 175, 0.24);
  white-space: nowrap;
  transition: filter 0.2s ease, transform 0.2s ease;
}
.header-cta:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}
@media (min-width: 1100px) {
  .header-cta {
    display: inline-flex;
  }
}
@media (min-width: 1200px) {
  .primary-nav {
    overflow-x: visible;
  }
}

@media (max-width: 1199px) {
  .primary-nav {
    justify-content: flex-start;
  }
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: var(--topbar-fs, 9pt);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
}
.logo-mark {
  width: var(--logo-mark-size, 39px);
  height: auto;
  max-height: var(--logo-mark-size, 39px);
  flex-shrink: 0;
  display: block;
}
.logo-full {
  height: var(--logo-full-h, 36px);
  width: auto;
  max-width: min(240px, 52vw);
  object-fit: contain;
  display: block;
  flex-shrink: 0;
  filter: brightness(0) invert(1);
  opacity: 0.94;
}
body.theme-qinfeng .logo-full {
  filter: none;
  opacity: 1;
}
.logo-sep {
  color: var(--muted);
  opacity: 0.5;
  font-weight: 300;
  font-size: var(--topbar-fs, 9pt);
  line-height: 1;
  user-select: none;
}
.logo-text {
  letter-spacing: 0.1em;
}

.topbar nav {
  display: flex;
  gap: 2px 4px;
  flex-wrap: nowrap;
  align-items: center;
}
.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: var(--topbar-fs, 9pt);
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  position: relative;
  padding: 5px 7px;
  border-radius: 4px;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease;
}
.topbar nav > a::after { display: none; }
.topbar .nav-dropdown__toggle::after {
  display: block;
}
.topbar nav a:hover {
  color: var(--ink);
  background: rgba(30, 64, 175, 0.08);
}
.primary-nav a.active {
  color: var(--accent);
  font-weight: 600;
  background: var(--accent-dim);
  box-shadow: inset 0 0 0 1px rgba(30, 64, 175, 0.3);
}

.lang-box {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--topbar-fs, 9pt);
  color: var(--muted);
  letter-spacing: 0.03em;
  white-space: nowrap;
  flex-shrink: 0;
}
.lang-box select {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 4px 8px;
  font-size: var(--topbar-fs, 9pt);
  font-family: inherit;
  color: var(--ink);
  border-radius: 6px;
  cursor: pointer;
}
.lang-box select:focus {
  outline: none;
  border-color: rgba(30, 64, 175, 0.45);
}

.hero {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-highlight) 0%, var(--bg-elevated) 100%);
  box-shadow: inset 0 1px 0 var(--bezel-top);
}
.hero--split .section-head {
  margin-bottom: 0;
}
.hero--split .section-head h1 {
  margin-bottom: 8px;
}
.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(200px, 260px);
  gap: 32px 48px;
  align-items: end;
  padding: 44px 0 40px;
}
@media (max-width: 820px) {
  .hero-split {
    grid-template-columns: 1fr;
    align-items: start;
    padding: 32px 0 28px;
  }
}
.hero-split__meta {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 4px 0 4px 20px;
  border-left: 2px solid transparent;
  border-image: linear-gradient(180deg, var(--accent), var(--warm)) 1;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}
@media (max-width: 820px) {
  .hero-split__meta {
    border-left: none;
    border-image: none;
    padding-left: 0;
    padding-top: 16px;
    border-top: 1px solid var(--line);
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px 20px;
  }
}
.hero-split__meta-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.hero-split__meta-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.hero-split__meta-row strong {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 18px; padding: 46px 0 36px; }
.eyebrow {
  letter-spacing: 0.16em;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(30px, 4.5vw, 50px); }
h2 { font-size: clamp(24px, 2.6vw, 34px); }
h3 { font-size: 19px; }
p { margin: 0; }
.muted { color: var(--muted); }
.hero-visual {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 16px 48px rgba(0, 0, 0, 0.4),
    var(--glow-teal);
}
.hero-visual img { width: 100%; height: 250px; object-fit: cover; display: block; }

.product-deep {
  margin-top: 8px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.product-deep .section-head h2 {
  font-size: clamp(20px, 2.1vw, 26px);
  margin-bottom: 8px;
}
.capability-extra .section-head h2 {
  font-size: clamp(20px, 2.1vw, 26px);
}
.flow .capability-extra .card p {
  color: #a8b0c0;
  font-size: 14px;
  line-height: 1.7;
}
.tech-panel {
  background: linear-gradient(165deg, var(--panel-highlight) 0%, var(--panel) 100%);
  border: 1px solid var(--line);
  padding: 18px;
  position: relative;
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.tech-panel::before {
  content: "";
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--warm));
  position: absolute;
  left: 18px;
  top: 0;
  border-radius: 2px;
}
.kpi { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.kpi div {
  border: 1px solid var(--line);
  background: rgba(18, 22, 32, 0.85);
  padding: 12px 10px;
  border-radius: 10px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.kpi strong { display: block; font-size: 21px; }

section { padding: 40px 0; }
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
  margin-bottom: 12px;
}
.section-head h1 {
  position: relative;
  padding-top: 14px;
}
.section-head h1::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--warm));
  box-shadow: 0 0 20px rgba(30, 64, 175, 0.35);
}
.section-head p { color: var(--muted); max-width: 660px; }
.grid { display: grid; gap: 10px; }
.cols-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.cols-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.cols-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.card {
  background: linear-gradient(165deg, rgba(28, 33, 46, 0.9) 0%, rgba(18, 21, 30, 0.95) 100%);
  border: 1px solid var(--line);
  padding: 18px;
  position: relative;
  border-radius: 12px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 12px 40px rgba(0, 0, 0, 0.35);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.card:hover {
  border-color: rgba(30, 64, 175, 0.25);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 16px 48px rgba(0, 0, 0, 0.45),
    var(--glow-teal);
  transform: translateY(-2px);
}
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.65;
  border-radius: 12px 12px 0 0;
}
.card::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 70%);
  opacity: 0.5;
}
.flow .card::after {
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 70%);
  opacity: 0.4;
}
.card-media {
  margin: -18px -18px 14px;
  border-bottom: 1px solid var(--line);
  position: relative;
  border-radius: 12px 12px 0 0;
  overflow: hidden;
}
.card-media::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--warm), var(--accent));
}
.card-media img { width: 100%; height: 150px; object-fit: cover; display: block; }
.badge {
  display: inline-block;
  border: 1px solid rgba(30, 64, 175, 0.35);
  background: var(--accent-dim);
  color: var(--accent);
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
  border-radius: 999px;
}
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 10px 18px;
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(30, 64, 175, 0.4);
  color: var(--accent);
}
.btn.primary {
  border: none;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 4px 24px rgba(30, 64, 175, 0.28);
}
.btn.primary:hover {
  filter: brightness(1.06);
  color: #ffffff;
}

.flow {
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(30, 64, 175, 0.08), transparent 55%),
    linear-gradient(180deg, #0a0c12 0%, #0e1118 100%);
  color: #e6edf7;
}
.flow h2 {
  color: #fff;
  border: none;
  border-bottom: 1px solid rgba(30, 64, 175, 0.28);
  padding-bottom: 14px;
  display: block;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.flow .card {
  background: rgba(18, 22, 32, 0.65);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.flow .muted, .flow .card p { color: #a8b0c0; }
.flow .pillar {
  background: rgba(18, 22, 32, 0.65);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.flow .pillar p { color: #a8b0c0; }
.flow .pillar h3 { color: #f0f4f8; }
.flow .strength-pills span {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.06);
  color: #e6edf7;
}
.faq details {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px 18px;
  border-radius: 10px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.faq details + details { margin-top: 8px; }
.cta {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-highlight) 0%, var(--bg-elevated) 100%);
  box-shadow: inset 0 1px 0 var(--bezel-top);
}

.quick-band {
  padding: 22px 0 40px;
  background:
    radial-gradient(ellipse 70% 100% at 0% 50%, rgba(30, 64, 175, 0.06), transparent 50%),
    linear-gradient(180deg, #0a0c11 0%, #08090d 100%);
  border-bottom: 1px solid var(--line);
}
.quick-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}
.quick-links-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-right: 4px;
}
a.quick-link {
  display: inline-block;
  text-decoration: none;
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
a.quick-link:hover {
  border-color: rgba(30, 64, 175, 0.4);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--glow-teal);
}

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.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  padding: 14px 0 0;
}
.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span.sep { margin: 0 8px; color: var(--line-strong); }

.page-head {
  padding: 24px 0 32px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-highlight) 0%, var(--bg-elevated) 100%);
  box-shadow: inset 0 1px 0 var(--bezel-top);
}
.page-head h1 { margin-bottom: 6px; }
.page-head .title-en {
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-transform: uppercase;
  margin: 0 0 16px;
}
.division-lead {
  max-width: 920px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.section-block { padding: 44px 0; }
.section-block--flush {
  padding-top: 24px;
}
.section-block.alt {
  background:
    radial-gradient(ellipse 60% 80% at 100% 20%, rgba(110, 179, 255, 0.06), transparent 45%),
    linear-gradient(180deg, #0c0e14 0%, #0a0b10 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-block h2 {
  margin-bottom: 8px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.section-block .section-lead {
  margin: 0 0 18px;
  max-width: 800px;
  color: var(--muted);
  font-size: 14px;
}

.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.sector-item {
  background: linear-gradient(165deg, rgba(28, 33, 46, 0.75) 0%, rgba(18, 21, 30, 0.9) 100%);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 14px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  text-align: center;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
  color: inherit;
  display: block;
}
.sector-item:hover {
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), var(--glow-teal);
  transform: translateY(-2px);
  border-color: rgba(30, 64, 175, 0.25);
}
.sector-item strong {
  display: block;
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--ink);
}
.sector-item span {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.case-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.case-list li {
  display: grid;
  grid-template-columns: minmax(140px, 200px) 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: rgba(18, 22, 32, 0.65);
  border: 1px solid var(--line);
  border-inline-start-width: 3px;
  border-inline-start-color: var(--accent);
  border-radius: 10px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.case-list .case-code {
  font-family: Consolas, "Cascadia Mono", "Segoe UI Mono", monospace;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--accent);
}
.case-list .case-desc { font-size: 14px; color: var(--muted); line-height: 1.55; }

.strength-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}
.strength-pills span {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.pillar {
  background: linear-gradient(165deg, rgba(28, 33, 46, 0.85) 0%, rgba(18, 21, 30, 0.95) 100%);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 16px 18px 22px;
  position: relative;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 12px 40px rgba(0, 0, 0, 0.25);
}
.pillar::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--warm), var(--accent));
}
.pillar .num {
  font-size: 11px;
  font-weight: 700;
  color: var(--warm);
  letter-spacing: 0.12em;
  margin-bottom: 6px;
  font-family: Consolas, "Cascadia Mono", "Segoe UI Mono", monospace;
}
.pillar h3 { font-size: 17px; margin-bottom: 10px; }
.pillar p { color: var(--muted); font-size: 14px; line-height: 1.65; }

.equip-box {
  background: linear-gradient(155deg, #0e1118 0%, #12151c 100%);
  color: #e6edf7;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.equip-box p { margin: 0; color: #a8b0c0; font-size: 14px; line-height: 1.65; }
.equip-box h2 { color: #fff; border: none; margin-bottom: 12px; }

.site-footer {
  position: relative;
  overflow: hidden;
  background-color: #050608;
  color: #8b93a5;
  font-size: 13px;
  padding: 40px 0 28px;
  margin-top: 0;
  border-top: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  background-image:
    linear-gradient(180deg, rgba(7, 10, 16, 0.92) 0%, rgba(4, 6, 10, 0.96) 55%, rgba(3, 5, 8, 0.98) 100%),
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(30, 64, 175, 0.12), transparent 55%),
    url("./images/product-stamping-die-tech.jpg");
  background-size: auto, auto, cover;
  background-position: 0 0, 0 0, 50% 42%;
  background-repeat: no-repeat;
}
.site-footer::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--warm), var(--accent), var(--warm), transparent);
  opacity: 0.85;
  pointer-events: none;
  z-index: 2;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(190, 205, 225, 0.06) 0 1px, transparent 1.6px),
    linear-gradient(90deg, rgba(50, 78, 120, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(50, 78, 120, 0.06) 1px, transparent 1px);
  background-size: 20px 20px, 48px 48px, 48px 48px;
  mask-image: linear-gradient(180deg, black 0%, black 70%, transparent 100%);
  opacity: 0.65;
}
.site-footer .footer-grid,
.site-footer .footer-bottom {
  position: relative;
  z-index: 1;
}
.site-footer a { color: rgba(200, 220, 230, 0.88); text-decoration: none; }
.site-footer a:hover { color: var(--accent); text-decoration: none; }
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-bottom: 28px;
}
.site-footer .footer-brand {
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  margin-bottom: 8px;
}
.footer-logo {
  display: block;
  width: auto;
  height: 42px;
  max-width: 220px;
  object-fit: contain;
  margin-bottom: 4px;
}
.footer-qr-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  margin-top: 14px;
  align-items: flex-start;
}
.footer-qr-item {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}
.footer-qr-item img {
  display: block;
  width: 88px;
  height: 88px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  padding: 4px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}
.footer-qr-item figcaption {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #c8d4e0;
  line-height: 1.2;
}
@media (max-width: 480px) {
  .footer-qr-item img {
    width: 76px;
    height: 76px;
  }
}
.site-footer dt { font-weight: 600; color: #dce6f2; margin-top: 10px; }
.site-footer dt:first-child { margin-top: 0; }
.site-footer dd { margin: 4px 0 0; }
.site-footer .footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #5c6570;
}

footer:not(.site-footer) {
  padding: 20px 0 24px;
  color: #9aa1aa;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--metal-dark);
  border-top: 1px solid var(--dark-line);
}
footer:not(.site-footer) .container {
  color: #b8bec6;
}

.contact-inquiry-section {
  padding: 52px 0 60px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse 70% 50% at 80% 0%, rgba(30, 64, 175, 0.06), transparent 50%),
    linear-gradient(180deg, var(--bg-elevated) 0%, var(--panel) 100%);
  box-shadow: inset 0 1px 0 var(--bezel-top);
}

/* 鈥斺€?Shared with homepage: message form & technical lead 鈥斺€?*/
.home-section__lead {
  margin: 0 0 32px;
  max-width: 42rem;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}
.message-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.message-layout--editorial {
  grid-template-columns: minmax(260px, 0.4fr) minmax(0, 1fr);
  gap: 40px 52px;
}
.message-layout--editorial .inquiry-form {
  grid-column: 2;
  grid-row: 1;
}
.message-layout--editorial .message-aside {
  grid-column: 1;
  grid-row: 1;
  border-left: none;
  padding-left: 0;
  border-top: none;
  padding-top: 0;
  border-inline-end: 1px solid var(--line);
  padding-inline-end: 40px;
}

.message-layout--home {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 40px;
}

.message-layout--home .inquiry-form {
  grid-column: 1;
}

.message-layout--home .message-aside {
  grid-column: 2;
  border-left: 1px solid var(--line);
  padding-left: 28px;
}

.message-aside__title {
  margin: 0 0 16px;
  font-size: 20px;
  line-height: 1.3;
}

.message-contact-list {
  margin: 0;
}

.message-contact-list dt {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.message-contact-list dd {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
}

.message-contact-list a {
  color: inherit;
  text-decoration: none;
}

.message-contact-list a:hover {
  color: var(--accent);
}

.message-aside__cta {
  margin: 8px 0 0;
  font-size: 14px;
}

.message-aside__cta a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.message-aside__cta a:hover {
  text-decoration: underline;
}
@media (max-width: 900px) {
  .message-layout {
    grid-template-columns: 1fr;
  }
  .message-layout--home {
    grid-template-columns: 1fr;
  }
  .message-layout--home .inquiry-form,
  .message-layout--home .message-aside {
    grid-column: 1;
  }
  .message-layout--home .message-aside {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 28px;
  }
  .message-layout--editorial {
    grid-template-columns: 1fr;
  }
  .message-layout--editorial .inquiry-form,
  .message-layout--editorial .message-aside {
    grid-column: 1;
  }
  .message-layout--editorial .inquiry-form {
    grid-row: 1;
  }
  .message-layout--editorial .message-aside {
    grid-row: 2;
    border-inline-end: none;
    padding-inline-end: 0;
    border-top: 1px solid var(--line);
    padding-top: 28px;
  }
}
html[dir="rtl"] .message-layout--editorial .message-aside {
  border-right: none;
  padding-right: 0;
}
.inquiry-form {
  display: grid;
  gap: 20px;
}
.inquiry-form label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 600;
}
.inquiry-form input,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  border-radius: 8px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.inquiry-form input:focus,
.inquiry-form textarea:focus {
  outline: none;
  border-color: rgba(30, 64, 175, 0.45);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.12);
  background: rgba(255, 255, 255, 0.05);
}
.inquiry-form textarea {
  min-height: 120px;
  resize: vertical;
}
.inquiry-form button {
  justify-self: start;
  margin-top: 8px;
  padding: 14px 32px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  font-family: inherit;
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(30, 64, 175, 0.28);
  transition: filter 0.2s ease, transform 0.2s ease;
}
.inquiry-form button:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}
.form-hint {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  margin-top: 16px;
}
.message-aside {
  border-left: 1px solid var(--line);
  padding-left: 40px;
}
@media (max-width: 900px) {
  .message-aside {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 32px;
  }
}
.message-aside .line-accent {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--warm), var(--accent));
  margin-bottom: 20px;
}

body.page-message main {
  padding: 48px 0 72px;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; padding: 32px 0 24px; }
  .kpi { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .kpi { grid-template-columns: 1fr; }
  .topbar { align-items: center; }
  .topbar-right { justify-content: flex-start; }
}

html[dir="rtl"] .topbar {
  flex-direction: row-reverse;
}
html[dir="rtl"] .topbar-right {
  flex-direction: row-reverse;
}
html[dir="rtl"] .lang-box {
  flex-direction: row-reverse;
}
html[dir="rtl"] .logo {
  flex-direction: row-reverse;
}
html[dir="rtl"] .section-head h1::before {
  left: auto;
  right: 0;
}
html[dir="rtl"] .message-aside {
  border-left: none;
  padding-left: 0;
  border-right: 1px solid var(--line);
  padding-right: 40px;
}
@media (max-width: 900px) {
  html[dir="rtl"] .message-aside {
    border-right: none;
    padding-right: 0;
  }
}
html[dir="rtl"] .tech-panel::before {
  left: auto;
  right: 18px;
}
html[dir="rtl"] .pillar::before {
  left: auto;
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* 鈥斺€?鍙充晶娴姩鍦ㄧ嚎娌熼€氾紙WhatsApp / Facebook / WeChat锛夆€斺€?*/
.kaisuo-float {
  position: fixed;
  z-index: 10050;
  bottom: max(16px, env(safe-area-inset-bottom, 0px));
  inset-inline-end: max(10px, env(safe-area-inset-end, 0px));
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.45;
  pointer-events: none;
}
.kaisuo-float__panel {
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 5px;
  border-radius: 10px;
  width: max-content;
  max-width: 40px;
  background: linear-gradient(165deg, rgba(14, 18, 28, 0.94) 0%, rgba(6, 8, 14, 0.97) 100%);
  border: 1px solid rgba(30, 64, 175, 0.18);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    var(--glow-teal);
}
.kaisuo-float__title {
  margin: 0;
  padding: 0;
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
  line-height: 1.15;
  max-width: 32px;
  word-break: keep-all;
}
.kaisuo-float__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 100%;
}
.kaisuo-float__list > li {
  margin: 0;
}
.kaisuo-float__btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.kaisuo-float__btn:hover,
.kaisuo-float__btn:focus-visible {
  transform: scale(1.06);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.28);
  outline: none;
}
.kaisuo-float__btn--wa {
  color: #25d366;
}
.kaisuo-float__btn--fb {
  color: #1877f2;
}
.kaisuo-float__btn--wx {
  color: #07c160;
}
.kaisuo-float__btn--site {
  color: #2563eb;
}
.kaisuo-float__btn--tt {
  color: #010101;
}
.kaisuo-float__btn--zl {
  color: #0068ff;
}
.kaisuo-float__pop-inner--text {
  min-width: 88px;
  padding: 8px 10px;
}
.kaisuo-float__svg {
  width: 16px;
  height: 16px;
  display: block;
}
.kaisuo-float__btn--has-icon {
  padding: 0;
  background: transparent;
}
.kaisuo-float__icon-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 50%;
}
.kaisuo-float__pop {
  position: absolute;
  inset-inline-end: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 2;
}
.kaisuo-float__btn:hover .kaisuo-float__pop,
.kaisuo-float__btn:focus-visible .kaisuo-float__pop,
.kaisuo-float__btn.is-open .kaisuo-float__pop {
  opacity: 1;
  visibility: visible;
}
.kaisuo-float__pop-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px;
  min-width: 128px;
  max-width: min(220px, calc(100vw - 72px));
  background: linear-gradient(180deg, #161a24 0%, #12151c 100%);
  border-radius: 10px;
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}
.kaisuo-float__qr {
  display: block;
  width: 104px;
  height: 104px;
  border-radius: 6px;
  background: #fff;
}
.kaisuo-float__id {
  font-size: 10px;
  line-height: 1.45;
  color: var(--muted);
  text-align: center;
  word-break: break-word;
}
@media (max-width: 380px) {
  .kaisuo-float__pop {
    inset-inline-end: auto;
    inset-inline-start: calc(100% + 10px);
  }
}
html[dir="rtl"] .kaisuo-float__panel {
  align-items: center;
}
@media (prefers-reduced-motion: reduce) {
  .kaisuo-float__btn,
  .kaisuo-float__pop {
    transition: none;
  }
}

/* —— 官网悬浮留言（短信提醒需部署 /api/chat）—— */
.kaisuo-site-chat {
  position: fixed;
  inset: 0;
  z-index: 10060;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 0 12px max(12px, env(safe-area-inset-bottom));
  pointer-events: none;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
.kaisuo-site-chat.is-open {
  pointer-events: auto;
}
.kaisuo-site-chat__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.kaisuo-site-chat.is-open .kaisuo-site-chat__backdrop {
  opacity: 1;
}
.kaisuo-site-chat__sheet {
  position: relative;
  width: min(360px, calc(100vw - 24px));
  max-height: min(520px, 78vh);
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 14px 14px 10px 10px;
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.2);
  transform: translateY(12px);
  opacity: 0;
  transition: transform 0.22s ease, opacity 0.22s ease;
  margin-inline-end: max(52px, env(safe-area-inset-right));
}
.kaisuo-site-chat.is-open .kaisuo-site-chat__sheet {
  transform: translateY(0);
  opacity: 1;
}
body.kaisuo-chat-open {
  overflow: hidden;
}
.kaisuo-site-chat__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #eff6ff 0%, #fff 100%);
  border-radius: 14px 14px 0 0;
}
.kaisuo-site-chat__title {
  display: block;
  font-size: 15px;
  color: var(--ink);
}
.kaisuo-site-chat__sub {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.45;
}
.kaisuo-site-chat__close {
  border: none;
  background: transparent;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  color: var(--muted);
  padding: 0 4px;
}
.kaisuo-site-chat__thread {
  flex: 1;
  min-height: 120px;
  max-height: 200px;
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: #f8fafc;
}
.kaisuo-site-chat__msg {
  max-width: 92%;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
  word-break: break-word;
}
.kaisuo-site-chat__msg--bot {
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
}
.kaisuo-site-chat__msg--user {
  align-self: flex-end;
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
  color: #fff;
}
.kaisuo-site-chat__form {
  padding: 10px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.kaisuo-site-chat__hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}
.kaisuo-site-chat__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.kaisuo-site-chat__fields input,
.kaisuo-site-chat__form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
}
.kaisuo-site-chat__form textarea {
  resize: vertical;
  min-height: 72px;
}
.kaisuo-site-chat__send {
  border: none;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, #1e3a8a, #2563eb);
}
.kaisuo-site-chat__send:disabled {
  opacity: 0.65;
  cursor: wait;
}
.kaisuo-site-chat__note {
  margin: 0;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
}