/* ============================================
   LYG.AI Design System v1
   华映量云 · 深炭 + 暖铜 + 数据青
   ============================================ */

:root {
  --bg-base:       #0B0E13;
  --bg-surface:    #161A22;
  --bg-elevated:   #1F242E;

  --border-subtle: #1F2530;
  --border:        #2A2F3A;
  --border-strong: #363C48;

  --text-1:        #F4F1EC;
  --text-2:        #A0A6B0;
  /* text-3 旧值 #5C636E 在 #0B0E13 上仅 ~3:1, 低于 WCAG AA 4.5:1, 用于 spec 标签/
     trust-badge-desc/cert-desc 等次级文字时看不清; 提到 #868D98 (~5.5:1) 过 AA,
     仍比 text-2 暗以保留三级层级. */
  --text-3:        #868D98;

  --copper:        #E0773C;
  --copper-bright: #FF8A47;
  --copper-deep:   #B85C2C;
  --copper-border: rgba(224, 119, 60, 0.30);
  --copper-soft:   rgba(224, 119, 60, 0.10);

  --cyan:          #4FCDDC;
  --jade:          #4A9B7C;

  --f-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --f-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-sans);
  background: var(--bg-base);
  color: var(--text-1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* ─── Nav ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 14, 19, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo svg { width: 28px; height: 28px; }
.nav-logo-text {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 3px;
  color: var(--text-1);
}
.nav-logo-text .dot { color: var(--copper); }
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links a {
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: color 180ms;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-1); }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--copper);
  color: #0B0E13 !important;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  border-radius: 4px;
  transition: all 200ms;
}
.nav-cta:hover { background: var(--copper-bright); transform: translateY(-1px); }

/* ─── Hero (homepage 用) ─── */
.hero {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 32px 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(224, 119, 60, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at 30% 50%, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 50%, black 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--f-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 4px;
  color: var(--copper);
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--copper);
}
.hero-headline-en {
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  color: var(--text-1);
}
.hero-headline-en .accent {
  color: var(--copper);
  font-style: italic;
  font-weight: 700;
}
.hero-headline-cn {
  margin-top: 28px;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 500;
  letter-spacing: 6px;
  color: var(--text-2);
}
.hero-desc {
  margin-top: 36px;
  max-width: 560px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-2);
}
.hero-ctas {
  display: flex;
  gap: 14px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-visual { position: relative; aspect-ratio: 1 / 1.1; }
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(224, 119, 60, 0.15) 0%, transparent 60%);
  filter: blur(40px);
}
.hero-product-img {
  position: relative;
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}
.hero-product-caption {
  margin-top: 16px;
  text-align: center;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-3);
}

/* ─── Page Hero (内页用, 精简版) ─── */
.page-hero {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px 64px;
  border-bottom: 1px solid var(--border-subtle);
}
.page-hero-eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--copper);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.page-hero-eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--copper);
}
.page-hero h1 {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.1;
  color: var(--text-1);
  margin-bottom: 24px;
  max-width: 880px;
}
.page-hero h1 .accent {
  color: var(--copper);
  font-style: italic;
}
.page-hero p {
  font-size: 18px;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 720px;
}

/* ─── Buttons ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background: var(--copper);
  color: #0B0E13;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: 4px;
  transition: all 200ms;
}
.btn-primary:hover { background: var(--copper-bright); transform: translateY(-1px); }
.btn-primary::after { content: '→'; transition: transform 200ms; }
.btn-primary:hover::after { transform: translateX(3px); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border: 1px solid var(--border-strong);
  color: var(--text-1);
  font-size: 15px;
  font-weight: 500;
  border-radius: 4px;
  transition: all 200ms;
}
.btn-ghost:hover { border-color: var(--copper); color: var(--copper); }

/* ─── Trust Bar ─── */
.trust-bar {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--text-3);
  text-transform: uppercase;
}
.trust-bar span { white-space: nowrap; }
.trust-bar .dot {
  width: 4px;
  height: 4px;
  background: var(--copper);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ─── Sections ─── */
.section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 32px;
}
.section-tight {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
}
.section-eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 4px;
  color: var(--copper);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.section-eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--copper);
}
.section-headline {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.15;
  color: var(--text-1);
  max-width: 720px;
  margin-bottom: 24px;
}
.section-sub {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 640px;
}

/* ─── Prose (content-heavy pages) ─── */
.prose {
  max-width: 760px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-2);
}
.prose h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-1);
  margin: 64px 0 20px;
  letter-spacing: -0.5px;
  line-height: 1.25;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-1);
  margin: 40px 0 16px;
  letter-spacing: -0.3px;
}
.prose p { margin-bottom: 18px; }
.prose strong { color: var(--text-1); font-weight: 600; }
.prose em { color: var(--copper); font-style: italic; }
.prose a {
  color: var(--copper);
  border-bottom: 1px solid var(--copper-border);
  transition: border-color 200ms;
}
.prose a:hover { border-bottom-color: var(--copper); }
.prose ul, .prose ol { margin: 18px 0 18px 24px; padding-left: 0; }
.prose ul { list-style-type: disc; }
.prose ol { list-style-type: decimal; }
.prose ul li, .prose ol li {
  margin-bottom: 8px;
  list-style-position: outside;
}
.prose blockquote {
  margin: 28px 0;
  padding: 20px 28px;
  border-left: 3px solid var(--copper);
  background: var(--bg-surface);
  font-style: italic;
  color: var(--text-1);
}

/* ─── Products ─── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 64px;
}
.product-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 32px;
  transition: all 300ms;
  position: relative;
  overflow: hidden;
  display: block;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--copper), transparent);
  opacity: 0;
  transition: opacity 300ms;
}
.product-card:hover {
  border-color: var(--copper-border);
  transform: translateY(-4px);
  background: var(--bg-elevated);
}
.product-card:hover::before { opacity: 1; }
.product-icon { width: 48px; height: 48px; margin-bottom: 28px; color: var(--copper); }
.product-name-en {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--copper);
  text-transform: uppercase;
}
.product-name-cn {
  margin-top: 6px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-1);
}
.product-tagline { margin-top: 12px; font-size: 14px; color: var(--text-2); line-height: 1.7; }
.product-specs {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.product-spec {
  display: flex;
  justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 12px;
}
.product-spec .label { color: var(--text-3); }
.product-spec .value { color: var(--text-1); }
.product-link {
  margin-top: 28px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--copper);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.product-link::after { content: '→'; transition: transform 200ms; }
.product-card:hover .product-link::after { transform: translateX(4px); }

/* ─── Industries ─── */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 64px;
}
.industry-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  transition: all 250ms;
  overflow: hidden;
}
.industry-card:hover { border-color: var(--copper-border); background: var(--bg-elevated); }
.industry-image {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--border-subtle);
}
.industry-content { padding: 24px 22px; }
.industry-num {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.industry-name {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-1);
  margin-bottom: 6px;
}
.industry-name-en {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--copper);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.industry-desc { font-size: 13px; color: var(--text-2); line-height: 1.7; }

/* ─── Trust Section ─── */
.trust-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.trust-headline {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.1;
  max-width: 880px;
  color: var(--text-1);
}
.trust-headline .copper-text {
  color: var(--copper);
  font-style: italic;
  font-weight: 700;
}
.trust-sub {
  margin-top: 32px;
  font-size: 18px;
  color: var(--text-2);
  max-width: 640px;
  line-height: 1.75;
}
.trust-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 32px;
}
.trust-hero-image { position: relative; }
.trust-hero-image::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse at center, rgba(224, 119, 60, 0.12) 0%, transparent 70%);
  filter: blur(30px);
  z-index: 0;
}
.trust-hero-image img {
  position: relative;
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--border);
  z-index: 1;
}
.trust-badges {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-badge {
  padding: 28px 24px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 200ms;
}
.trust-badge:hover { border-color: var(--copper-border); }
.trust-badge-tag {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--copper);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.trust-badge-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-1);
  letter-spacing: 1px;
  margin-top: 4px;
}
.trust-badge-desc { font-size: 13px; color: var(--text-3); margin-top: 4px; }

/* ─── Parent Section ─── */
.parent-section { background: var(--bg-base); }
.parent-wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.parent-left .section-eyebrow { color: var(--jade); }
.parent-left .section-eyebrow::before { background: var(--jade); }
.parent-headline {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
  color: var(--text-1);
}
.parent-desc {
  margin-top: 24px;
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.8;
}
.parent-link {
  margin-top: 32px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--jade);
  font-size: 14px;
  letter-spacing: 1px;
  font-weight: 500;
  transition: gap 200ms;
}
.parent-link::after { content: '→'; }
.parent-link:hover { gap: 12px; }
.parent-visual {
  padding: 48px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.parent-quote {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-1);
  letter-spacing: -0.3px;
}
.parent-quote::before {
  content: '"';
  font-family: Georgia, serif;
  font-size: 60px;
  color: var(--jade);
  line-height: 0;
  margin-right: 8px;
  vertical-align: -20px;
}
.parent-meta {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.parent-meta-label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-3);
  text-transform: uppercase;
}
.parent-meta-value { font-size: 15px; color: var(--text-1); }

/* ─── Final CTA ─── */
.final-cta {
  max-width: 1280px;
  margin: 0 auto;
  padding: 120px 32px;
  text-align: center;
}
.final-cta h2 {
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--text-1);
  margin-bottom: 24px;
}
.final-cta p {
  font-size: 17px;
  color: var(--text-2);
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ─── Card grids (utility, 用于内页) ─── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card {
  padding: 32px 28px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 250ms;
}
.feature-card:hover { border-color: var(--copper-border); background: var(--bg-elevated); }
.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 8px;
  color: var(--text-1);
}
.feature-card .tag {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--copper);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: block;
}
.feature-card p { font-size: 14px; color: var(--text-2); line-height: 1.75; }

/* ─── Cert / Badge list ─── */
.cert-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.cert {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cert-icon {
  width: 36px;
  height: 36px;
  color: var(--copper);
  margin-bottom: 8px;
}
.cert-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
}
.cert-tag {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--copper);
  text-transform: uppercase;
}
.cert-desc { font-size: 13px; color: var(--text-3); line-height: 1.7; }

/* ─── Contact form ─── */
.form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 48px;
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}
.form-row label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--copper);
  text-transform: uppercase;
}
.form-row input, .form-row textarea, .form-row select {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 16px;
  color: var(--text-1);
  font-family: var(--f-sans);
  font-size: 15px;
  transition: border-color 200ms;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none;
  border-color: var(--copper);
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

/* ─── Resources / Whitepaper cards ─── */
.resource-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.resource-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: all 250ms;
}
.resource-card:hover { border-color: var(--copper-border); transform: translateY(-2px); }
.resource-card .tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--copper);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.resource-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
  margin-bottom: 12px;
}
.resource-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}
.resource-card .meta {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 1.5px;
}

/* ─── Team grid ─── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.team-member {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 28px;
}
.team-member .role {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--copper);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.team-member .name {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 6px;
}
.team-member .bio {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.75;
}

/* ─── Footer ─── */
.footer {
  background: var(--bg-base);
  border-top: 1px solid var(--border-subtle);
  padding: 80px 32px 40px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 64px;
}
.footer-brand .nav-logo { margin-bottom: 20px; }
.footer-brand p {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.8;
  max-width: 280px;
}
.footer-col h4 {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-3);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 13px;
  color: var(--text-2);
  transition: color 200ms;
}
.footer-col a:hover { color: var(--copper); }
.footer-bottom {
  max-width: 1280px;
  margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--text-3);
  font-family: var(--f-mono);
}

/* ─── Responsive ─── */
@media (max-width: 968px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 400px; margin-top: 32px; }
  .products-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-hero { grid-template-columns: 1fr; gap: 40px; }
  .trust-badges { grid-template-columns: repeat(2, 1fr); }
  .parent-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .resource-list { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-list { grid-template-columns: repeat(2, 1fr); }
  .form-row-2 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-inner { padding: 16px 20px; }
  .hero { padding: 64px 20px 48px; }
  .page-hero { padding: 56px 20px 40px; }
  .section { padding: 80px 20px; }
  .section-tight { padding: 56px 20px; }
  .industries-grid { grid-template-columns: 1fr; }
  .trust-badges { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .team-grid, .grid-4, .cert-list { grid-template-columns: 1fr; }
  .form-card { padding: 28px 20px; }
}

/* ───────── Article ToC ───────── */
.article-toc {
  max-width: 760px;
  margin: 0 auto 48px;
  padding: 20px 24px;
  background: var(--bg-card, #161616);
  border-left: 3px solid var(--copper, #E0773C);
  font-size: 14px;
}
.article-toc summary {
  cursor: pointer;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--copper, #E0773C);
  text-transform: uppercase;
  padding: 4px 0;
  user-select: none;
  list-style: none;
}
.article-toc summary::-webkit-details-marker { display: none; }
.article-toc summary::before {
  content: '▸';
  display: inline-block;
  margin-right: 10px;
  transition: transform 200ms;
}
.article-toc[open] summary::before { transform: rotate(90deg); }
.article-toc .toc-list { list-style: none; padding: 0; margin: 16px 0 0; }
.article-toc .toc-list li { margin: 6px 0; line-height: 1.5; }
.article-toc .toc-list li.toc-l3 { padding-left: 24px; font-size: 13px; }
.article-toc .toc-list a {
  color: var(--text-2, #BFC4C9);
  text-decoration: none;
  border-bottom: 1px dotted transparent;
  transition: color 150ms, border-color 150ms;
}
.article-toc .toc-list a:hover {
  color: var(--copper, #E0773C);
  border-bottom-color: var(--copper, #E0773C);
}

/* ───────── Article 上一篇/下一篇 ───────── */
.article-adjacent {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle, rgba(255,255,255,0.08));
}
.article-adjacent .adj {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  background: var(--bg-card, #161616);
  border: 1px solid var(--border-subtle, rgba(255,255,255,0.08));
  text-decoration: none;
  transition: border-color 200ms, background 200ms;
}
.article-adjacent .adj:not(.adj-empty):hover {
  border-color: var(--copper, #E0773C);
  background: #1A1A1A;
}
.article-adjacent .adj-empty { background: transparent; border: none; }
.article-adjacent .adj-next { text-align: right; align-items: flex-end; }
.article-adjacent .adj-dir {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--copper, #E0773C);
  text-transform: uppercase;
}
.article-adjacent .adj-title {
  font-size: 15px;
  color: var(--text-1, #F5F5F4);
  line-height: 1.5;
}

/* ───────── Related Reading ───────── */
.article-related { margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--border-subtle, rgba(255,255,255,0.08)); }
.article-related .related-eyebrow {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--copper, #E0773C);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.article-related .related-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 4px; }
.article-related .related-list li { margin: 0; }
.article-related .related-list a {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 18px 20px;
  text-decoration: none;
  border: 1px solid transparent;
  border-bottom: 1px solid var(--border-subtle, rgba(255,255,255,0.08));
  transition: border-color 150ms, background 150ms;
}
.article-related .related-list a:hover {
  border-color: var(--copper, #E0773C);
  background: var(--bg-card, #161616);
}
.article-related .related-date {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--text-3, #6E747B);
  letter-spacing: 1px;
  padding-top: 2px;
}
.article-related .related-title {
  font-size: 16px;
  color: var(--text-1, #F5F5F4);
  font-weight: 500;
  display: block;
}
.article-related .related-excerpt {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-3, #6E747B);
  line-height: 1.6;
}

@media (max-width: 720px) {
  .article-adjacent { grid-template-columns: 1fr; }
  .article-related .related-list a { grid-template-columns: 1fr; gap: 6px; }
  .article-related .related-date { padding-top: 0; }
}

/* ───────── Article List Filter ───────── */
.filter-bar { margin-bottom: 40px; padding: 24px 28px; background: var(--bg-card, #161616); border-left: 3px solid var(--copper, #E0773C); }
.filter-label { font-family: var(--f-mono); font-size: 11px; letter-spacing: 2px; color: var(--copper, #E0773C); text-transform: uppercase; margin-bottom: 12px; }
.filter-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--text-2, #BFC4C9);
  font-family: var(--f-mono); font-size: 12px; letter-spacing: 1px;
  cursor: pointer;
  border-radius: 2px;
  transition: border-color 160ms, background 160ms, color 160ms;
}
.filter-tab:hover { border-color: var(--copper, #E0773C); color: var(--text-1, #F5F5F4); }
.filter-tab.active { background: var(--copper, #E0773C); color: #1A1A1A; border-color: var(--copper, #E0773C); font-weight: 600; }
.filter-tab .filter-count { font-size: 11px; opacity: 0.65; padding: 1px 6px; background: rgba(0,0,0,0.18); border-radius: 8px; }
.filter-tab.active .filter-count { background: rgba(0,0,0,0.18); opacity: 0.9; }
.filter-empty { padding: 48px 24px; text-align: center; color: var(--text-3, #6E747B); font-size: 14px; }

/* hidden 卡片完全移除流量 */
.filter-item[hidden] { display: none !important; }

/* ───────── Data Visualization Components ───────── */
/* 配合 inline SVG 使用. 类型: .dv-stat / .dv-bar / .dv-compare */

.dv-block { margin: 36px 0; padding: 28px; background: var(--bg-card, #161616); border-left: 3px solid var(--copper, #E0773C); border-radius: 2px; }
.dv-block .dv-eyebrow { font-family: var(--f-mono); font-size: 11px; letter-spacing: 2px; color: var(--copper, #E0773C); text-transform: uppercase; margin-bottom: 8px; }
.dv-block .dv-title { font-family: var(--f-serif); font-size: 19px; color: var(--text-1, #F5F5F4); font-weight: 600; line-height: 1.5; }
.dv-block .dv-source { margin-top: 16px; font-family: var(--f-mono); font-size: 11px; color: var(--text-3, #6E747B); letter-spacing: 1px; }

/* .dv-stat-grid : 大数字卡片网格 (3-4 列) */
.dv-stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin: 20px 0 12px; }
.dv-stat { padding: 22px 20px; background: rgba(255,255,255,0.02); border: 1px solid var(--border-subtle, rgba(255,255,255,0.08)); }
.dv-stat .dv-stat-label { font-family: var(--f-mono); font-size: 10px; letter-spacing: 2px; color: var(--copper, #E0773C); text-transform: uppercase; margin-bottom: 8px; }
.dv-stat .dv-stat-value { font-family: var(--f-serif); font-size: 36px; font-weight: 800; color: var(--text-1, #F5F5F4); line-height: 1; letter-spacing: -1px; }
.dv-stat .dv-stat-value .dv-unit { font-size: 18px; opacity: 0.65; margin-left: 4px; font-weight: 500; }
.dv-stat .dv-stat-value.up { color: #4ADE80; }
.dv-stat .dv-stat-value.down { color: #F87171; }
.dv-stat .dv-stat-sub { margin-top: 8px; font-size: 13px; color: var(--text-3, #6E747B); line-height: 1.5; }

/* .dv-bar : 横向 bar chart (各 bar 用 inline width %) */
.dv-bar-list { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; }
.dv-bar-row { display: grid; grid-template-columns: 140px 1fr 60px; gap: 14px; align-items: center; font-size: 13px; }
.dv-bar-row .dv-bar-label { color: var(--text-2, #BFC4C9); font-family: var(--f-mono); letter-spacing: 0.5px; }
.dv-bar-row .dv-bar-track { background: rgba(255,255,255,0.04); height: 18px; border-radius: 2px; overflow: hidden; }
.dv-bar-row .dv-bar-fill { height: 100%; background: linear-gradient(90deg, var(--copper, #E0773C), rgba(224,119,60,0.6)); transition: width 600ms cubic-bezier(.2,.6,.2,1); }
.dv-bar-row .dv-bar-fill.neg { background: linear-gradient(90deg, #F87171, rgba(248,113,113,0.5)); }
.dv-bar-row .dv-bar-num { font-family: var(--f-mono); font-size: 13px; color: var(--text-1, #F5F5F4); text-align: right; }

/* .dv-compare : 三 / 四列比较表 (优于普通 table 的视觉密度) */
.dv-compare { display: grid; gap: 1px; background: var(--border-subtle, rgba(255,255,255,0.08)); border: 1px solid var(--border-subtle, rgba(255,255,255,0.08)); border-radius: 2px; overflow: hidden; margin: 20px 0; }
.dv-compare .dv-row { display: grid; gap: 1px; background: var(--border-subtle, rgba(255,255,255,0.08)); }
.dv-compare .dv-cell { padding: 14px 18px; background: var(--bg-card, #161616); font-size: 14px; line-height: 1.55; color: var(--text-1, #F5F5F4); }
.dv-compare .dv-cell.head { background: rgba(224,119,60,0.08); font-family: var(--f-mono); font-size: 11px; letter-spacing: 1.5px; color: var(--copper, #E0773C); text-transform: uppercase; }
.dv-compare .dv-cell .dv-cell-meta { display: block; margin-top: 4px; font-family: var(--f-mono); font-size: 11px; color: var(--text-3, #6E747B); letter-spacing: 0.5px; }
.dv-compare.cols-3 .dv-row { grid-template-columns: 1.4fr 1fr 1fr; }
.dv-compare.cols-4 .dv-row { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
.dv-compare.cols-3.equal .dv-row { grid-template-columns: 1fr 1fr 1fr; }
.dv-compare.cols-4.equal .dv-row { grid-template-columns: 1fr 1fr 1fr 1fr; }

@media (max-width: 720px) {
  .dv-stat-grid { grid-template-columns: 1fr 1fr; }
  .dv-bar-row { grid-template-columns: 110px 1fr 50px; gap: 8px; font-size: 12px; }
  .dv-compare.cols-3 .dv-row, .dv-compare.cols-4 .dv-row { grid-template-columns: 1fr; }
  .dv-compare .dv-cell.head { font-size: 10px; padding: 10px 14px; }
}

/* ───────── Article ToC Sticky (desktop only) ───────── */
.article-toc-sticky { display: none; }   /* hidden by default */
@media (min-width: 1280px) {
  .article-toc { display: none; }        /* desktop 隐藏 inline details */
  .article-toc-sticky {
    display: block;
    position: fixed;
    top: 92px;
    right: max(24px, calc((100vw - 1200px) / 2 - 240px));
    width: 220px;
    max-height: calc(100vh - 132px);
    overflow-y: auto;
    padding: 18px 0 18px 16px;
    border-left: 2px solid var(--border-subtle, rgba(255,255,255,0.08));
    background: transparent;
    font-size: 13px;
    z-index: 50;
    transition: opacity 200ms;
  }
  .article-toc-sticky .toc-sticky-label {
    font-family: var(--f-mono);
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--copper, #E0773C);
    margin-bottom: 14px;
    opacity: 0.7;
  }
  .article-toc-sticky .toc-list { list-style: none; padding: 0; margin: 0; }
  .article-toc-sticky .toc-list li { margin: 0; }
  .article-toc-sticky .toc-list li a {
    display: block;
    padding: 6px 12px 6px 12px;
    color: var(--text-3, #6E747B);
    text-decoration: none;
    border-left: 2px solid transparent;
    margin-left: -16px;
    line-height: 1.5;
    transition: color 160ms, border-color 160ms, background 160ms;
  }
  .article-toc-sticky .toc-list li.toc-l3 a {
    padding-left: 28px;
    font-size: 12px;
  }
  .article-toc-sticky .toc-list li a:hover {
    color: var(--text-1, #F5F5F4);
    border-left-color: var(--copper, #E0773C);
  }
  .article-toc-sticky .toc-list li a.is-active {
    color: var(--copper, #E0773C);
    border-left-color: var(--copper, #E0773C);
    font-weight: 600;
  }
  /* 视口 < 1280 不浮动, fade out 平稳 */
  .article-toc-sticky::-webkit-scrollbar { width: 4px; }
  .article-toc-sticky::-webkit-scrollbar-thumb { background: rgba(224,119,60,0.3); }
}

/* ───────── Breadcrumb 面包屑 ───────── */
.breadcrumb { max-width: 1200px; margin: 0 auto; padding: 16px 32px 0; }
.breadcrumb ol {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.breadcrumb .bc-item a { color: var(--text-3, #6E747B); text-decoration: none; transition: color 160ms; }
.breadcrumb .bc-item a:hover { color: var(--copper, #E0773C); }
.breadcrumb .bc-current span { color: var(--text-1, #F5F5F4); text-transform: none; letter-spacing: 0.5px; font-family: var(--f-sans); font-size: 13px; }
.breadcrumb .bc-sep { color: var(--text-3, #6E747B); opacity: 0.5; user-select: none; }
@media (max-width: 720px) {
  .breadcrumb { padding: 14px 20px 0; }
  .breadcrumb ol { font-size: 10px; gap: 6px; }
  .breadcrumb .bc-current span { font-size: 12px; }
}

/* ───────── Filter Search Box ───────── */
.filter-search-row { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.filter-search { position: relative; flex: 1; min-width: 240px; max-width: 480px; }
.filter-search input[type="search"] {
  width: 100%;
  padding: 11px 36px 11px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--text-1, #F5F5F4);
  font-family: inherit;
  font-size: 14px;
  border-radius: 2px;
  transition: border-color 160ms, background 160ms;
  -webkit-appearance: none;
}
.filter-search input[type="search"]:focus {
  outline: none;
  border-color: var(--copper, #E0773C);
  background: rgba(255,255,255,0.06);
}
.filter-search input[type="search"]::placeholder { color: var(--text-3, #6E747B); }
.filter-search input[type="search"]::-webkit-search-cancel-button { display: none; }
.filter-search-clear {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  background: transparent; border: none; color: var(--text-3, #6E747B);
  font-size: 22px; line-height: 1; cursor: pointer; padding: 4px 10px;
  border-radius: 2px;
}
.filter-search-clear:hover { color: var(--copper, #E0773C); }
.filter-result-count { font-family: var(--f-mono); font-size: 12px; color: var(--text-3, #6E747B); letter-spacing: 1px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ───────── Brand Timeline ───────── */
.brand-timeline { list-style: none; padding: 0; margin: 36px 0 0; position: relative; }
.brand-timeline::before {
  content: '';
  position: absolute;
  left: 90px;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom,
    var(--copper, #E0773C) 0%,
    var(--copper, #E0773C) 60%,
    rgba(224,119,60,0.25) 100%);
}
.bt-item {
  position: relative;
  padding: 22px 0 22px 130px;
  display: grid;
  grid-template-columns: 1fr;
  transition: opacity 400ms, transform 400ms;
}
.bt-item::before {
  content: '';
  position: absolute;
  left: 84px;
  top: 30px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg-base, #0E0E0E);
  border: 2px solid var(--copper, #E0773C);
  transition: background 250ms, transform 250ms, box-shadow 250ms;
}
.bt-item.is-current::before {
  background: var(--copper, #E0773C);
  box-shadow: 0 0 0 6px rgba(224,119,60,0.18);
  transform: scale(1.1);
}
.bt-item.bt-future::before {
  border-style: dashed;
  border-color: rgba(224,119,60,0.5);
  background: transparent;
}
.bt-item.bt-future { opacity: 0.7; }
.bt-item .bt-date {
  position: absolute;
  left: 0;
  top: 24px;
  width: 74px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--copper, #E0773C);
  text-align: right;
  line-height: 1.4;
}
.bt-item .bt-content {}
.bt-item .bt-tag {
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--copper, #E0773C);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.bt-item h3 {
  font-size: 19px;
  color: var(--text-1, #F5F5F4);
  font-weight: 600;
  margin: 0 0 10px;
  line-height: 1.4;
}
.bt-item p {
  font-size: 14.5px;
  color: var(--text-2, #BFC4C9);
  line-height: 1.8;
  margin: 0;
}
.bt-item.is-active { /* scroll-spy 触发 */ }
.bt-item.is-active::before { box-shadow: 0 0 0 4px rgba(224,119,60,0.22); }

@media (max-width: 720px) {
  .brand-timeline::before { left: 12px; }
  .bt-item { padding: 18px 0 18px 36px; }
  .bt-item::before { left: 6px; top: 24px; width: 11px; height: 11px; }
  .bt-item .bt-date { position: static; width: auto; text-align: left; margin-bottom: 8px; font-size: 11px; }
}

/* ───────── Manifesto · How We Think ───────── */
.manifesto-section { padding: 100px 32px; background: var(--bg-elevated, #0E0E0E); border-top: 1px solid var(--border-subtle, rgba(255,255,255,0.08)); }
.manifesto-wrapper { max-width: 1100px; margin: 0 auto; }
.manifesto-title { font-size: clamp(34px, 4.5vw, 50px); color: var(--text-1, #F5F5F4); letter-spacing: 1px; line-height: 1.25; font-weight: 700; margin: 14px 0 24px; }
.manifesto-lead { font-size: 17px; color: var(--text-2, #BFC4C9); line-height: 1.85; max-width: 760px; margin-bottom: 48px; }
.manifesto-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 24px; }
.manifesto-card { padding: 32px 36px; background: var(--bg-card, #161616); border-left: 3px solid var(--copper, #E0773C); border-radius: 2px; }
.manifesto-card .mf-num { font-family: var(--f-mono); font-size: 11px; letter-spacing: 3px; color: var(--copper, #E0773C); margin-bottom: 12px; }
.manifesto-card h3 { font-size: clamp(20px, 2.4vw, 26px); color: var(--text-1, #F5F5F4); font-weight: 600; line-height: 1.45; letter-spacing: 1px; margin: 0 0 16px; }
.manifesto-card p { color: var(--text-2, #BFC4C9); font-size: 15.5px; line-height: 1.85; margin: 0; }
@media (max-width: 768px) {
  .manifesto-section { padding: 64px 20px; }
  .manifesto-card { padding: 24px; }
}

/* ───────── Careers Role Details (expandable JD) ───────── */
.role-detail { background: var(--bg-card, #161616); border: 1px solid var(--border-subtle, rgba(255,255,255,0.08)); border-radius: 2px; margin-bottom: 12px; overflow: hidden; transition: border-color 200ms; }
.role-detail[open] { border-color: var(--copper, #E0773C); }
.role-detail summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  user-select: none;
  transition: background 160ms;
}
.role-detail summary::-webkit-details-marker { display: none; }
.role-detail summary:hover { background: rgba(224,119,60,0.05); }
.role-detail .role-team { font-family: var(--f-mono); font-size: 11px; letter-spacing: 2px; color: var(--copper, #E0773C); text-transform: uppercase; margin-bottom: 6px; }
.role-detail .role-title { font-size: 18px; color: var(--text-1, #F5F5F4); font-weight: 600; margin-bottom: 4px; }
.role-detail .role-headcount { font-family: var(--f-mono); font-size: 12px; font-weight: 400; color: var(--text-3, #6E747B); margin-left: 8px; }
.role-detail .role-meta { display: flex; flex-wrap: wrap; gap: 16px; font-family: var(--f-mono); font-size: 11px; color: var(--text-3, #6E747B); letter-spacing: 1px; }
.role-detail .role-toggle {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 1.5px;
  color: var(--copper, #E0773C);
  border: 1px solid rgba(224,119,60,0.4);
  padding: 6px 12px; border-radius: 2px;
  flex-shrink: 0;
  transition: background 160ms;
}
.role-detail[open] .role-toggle::after { content: ' ↑'; }
.role-detail:not([open]) .role-toggle::after { content: ''; }
.role-detail[open] .role-toggle { background: rgba(224,119,60,0.12); }
.role-detail .role-body {
  padding: 4px 24px 28px;
  border-top: 1px solid var(--border-subtle, rgba(255,255,255,0.08));
}
.role-detail .role-body h4 {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: 2px; color: var(--copper, #E0773C); text-transform: uppercase;
  margin: 20px 0 10px;
}
.role-detail .role-body ul { padding-left: 20px; margin: 0 0 12px; }
.role-detail .role-body li { color: var(--text-2, #BFC4C9); font-size: 14px; line-height: 1.85; margin-bottom: 6px; }
.role-detail .role-body p { color: var(--text-2, #BFC4C9); font-size: 14px; line-height: 1.85; margin: 8px 0 12px; }
.role-detail .role-apply {
  display: inline-block;
  margin-top: 18px;
  padding: 10px 18px;
  background: var(--copper, #E0773C);
  color: #1A1A1A;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
  text-decoration: none;
  border-radius: 2px;
  transition: opacity 160ms;
}
.role-detail .role-apply:hover { opacity: 0.85; }
@media (max-width: 720px) {
  .role-detail summary { flex-direction: column; align-items: flex-start; padding: 18px; }
  .role-detail summary > div { width: 100%; }
  .role-detail .role-toggle { align-self: flex-start; margin-top: 8px; }
  .role-detail .role-body { padding: 4px 18px 22px; }
}