/* =============================================================
   融易通 Rongyitong | Global Business Bridge
   Design System: Editorial Business Journal
   ============================================================= */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }
button { background: none; border: 0; cursor: pointer; font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }

/* --- Tokens --- */
:root {
  /* Brand */
  --navy: #123C2F;
  --navy-deep: #0C2A20;
  --navy-ink: #071B14;
  --navy-500: #2E5A4A;
  --gold: #B98A2F;
  --gold-dim: #96701F;
  --gold-soft: rgba(185,138,47,0.12);

  /* Neutrals */
  --paper: #FAF8F2;
  --cream: #F1EBE0;
  --ink: #161A17;
  --charcoal: #2B312D;
  --muted: #6B6B6B;
  --hairline: rgba(18,60,47,0.14);
  --hairline-soft: rgba(18,60,47,0.08);
  --white: #FFFFFF;

  /* Spacing */
  --container: 1360px;
  --gutter: 32px;
  --section-y: clamp(80px, 10vw, 140px);

  /* Type */
  --display: 'Fraunces', 'Noto Serif SC', 'Songti SC', 'Times New Roman', serif;
  --sans: 'Inter', 'Hanken Grotesk', 'Noto Sans SC', 'PingFang SC', 'Helvetica Neue', sans-serif;
  --mono: 'JetBrains Mono', 'Menlo', monospace;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html[lang^="zh"] {
  --display: 'Noto Serif SC', 'Fraunces', 'Songti SC', serif;
  --sans: 'Noto Sans SC', 'Hanken Grotesk', 'PingFang SC', sans-serif;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* --- Type Utilities --- */
.display { font-family: var(--display); font-weight: 400; letter-spacing: -0.02em; line-height: 1.05; }
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--gold);
}
.eyebrow.light { color: var(--gold); }
.eyebrow.light::before { background: var(--gold); }

.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* =============================================================
   TOP BAR (language + meta)
   ============================================================= */
.topbar {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 38px;
  font-family: var(--mono);
}
.topbar-left { display: flex; gap: 22px; align-items: center; }
.topbar-left .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
  display: inline-block;
  margin-right: 8px;
  box-shadow: 0 0 0 3px rgba(185,138,47,0.18);
}
.lang-switch { display: flex; align-items: center; gap: 2px; }
.lang-switch button {
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.55);
  border-radius: 2px;
  transition: color .25s var(--ease);
  font-family: var(--mono);
}
.lang-switch button:hover { color: var(--white); }
.lang-switch button.active { color: var(--gold); }
.lang-switch .divider { color: rgba(255,255,255,0.2); font-size: 10px; }

/* =============================================================
   HEADER / NAV
   ============================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,250,246,0.85);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--hairline-soft);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.brand-mark {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.brand-mark svg { width: 100%; height: 100%; }
.brand-name {
  display: flex; flex-direction: column;
  line-height: 1;
}
.brand-name .cn {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: 0.02em;
}
.brand-name .en {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-top: 5px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--charcoal);
  position: relative;
  padding: 6px 0;
  transition: color .25s var(--ease);
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s var(--ease);
}
.main-nav a:hover { color: var(--navy); }
.main-nav a:hover::after,
.main-nav a.active::after { transform: scaleX(1); }
.main-nav a.active { color: var(--navy); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 22px;
  background: var(--navy);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 2px;
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.nav-cta:hover { background: var(--navy-deep); transform: translateY(-1px); }
.nav-cta .arrow { transition: transform .3s var(--ease); }
.nav-cta:hover .arrow { transform: translateX(3px); }

.menu-toggle { display: none; }

/* =============================================================
   HERO
   ============================================================= */
.hero {
  position: relative;
  padding: 88px 0 100px;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 500px at 85% 20%, rgba(185,138,47,0.06), transparent 60%),
    radial-gradient(ellipse 700px 600px at 10% 90%, rgba(18,60,47,0.05), transparent 65%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 80px;
  align-items: end;
  position: relative;
  z-index: 1;
}
.hero-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 38px;
  display: flex;
  gap: 30px;
  align-items: center;
  flex-wrap: wrap;
}
.hero-meta .sep { width: 28px; height: 1px; background: var(--hairline); }
.hero-meta .gold-dot {
  width: 7px; height: 7px; background: var(--gold);
  border-radius: 50%; display: inline-block; margin-right: 9px;
  box-shadow: 0 0 0 4px rgba(185,138,47,0.16);
}

.hero h1 {
  font-family: var(--display);
  font-weight: 350;
  font-size: clamp(48px, 6.8vw, 96px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--navy-ink);
  margin-bottom: 32px;
}
html[lang^="zh"] .hero h1 { font-weight: 500; line-height: 1.08; }
.hero h1 .accent {
  font-style: italic;
  color: var(--gold-dim);
  font-weight: 400;
}
.hero h1 .underline {
  position: relative;
  display: inline-block;
}
.hero h1 .underline::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0.08em;
  height: 6px;
  background: var(--gold);
  opacity: 0.85;
  z-index: -1;
}

.hero-sub {
  font-size: 19px;
  line-height: 1.55;
  color: var(--charcoal);
  max-width: 680px;
  margin-bottom: 16px;
}
.hero-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 620px;
  margin-bottom: 42px;
}

.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 2px;
  transition: all .3s var(--ease);
  cursor: pointer;
  border: 1px solid transparent;
}
.btn .arrow { transition: transform .35s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.btn-primary {
  background: var(--gold);
  color: var(--navy-deep);
  border-color: var(--gold);
}
.btn-primary:hover { background: var(--gold-dim); border-color: var(--gold-dim); }

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-secondary:hover { background: var(--navy); color: var(--white); }

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--hairline);
}
.btn-ghost:hover { border-color: var(--navy); }

.btn-dark {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-dark:hover { background: var(--navy-deep); }

/* Hero side card */
.hero-aside {
  position: relative;
  padding: 38px 32px;
  border: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(255,255,255,0.6) 0%, rgba(245,241,232,0.5) 100%);
  border-radius: 2px;
}
.hero-aside .kicker { margin-bottom: 18px; display: block; }
.hero-aside h3 {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  color: var(--navy-deep);
  line-height: 1.25;
  margin-bottom: 22px;
}
.hero-aside ul { display: flex; flex-direction: column; gap: 14px; margin-bottom: 26px; }
.hero-aside li {
  font-size: 14px;
  color: var(--charcoal);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--hairline-soft);
}
.hero-aside li:last-child { border-bottom: 0; padding-bottom: 0; }
.hero-aside li::before {
  content: '';
  flex-shrink: 0;
  width: 6px; height: 6px;
  background: var(--gold);
  margin-top: 8px;
  transform: rotate(45deg);
}
.hero-aside .link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  border-bottom: 1px solid var(--navy);
  padding-bottom: 4px;
  transition: gap .25s var(--ease);
}
.hero-aside .link:hover { gap: 12px; }

/* =============================================================
   STATS STRIP
   ============================================================= */
.stats-strip {
  background: var(--navy-deep);
  color: var(--white);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.stats-strip::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  mask: linear-gradient(180deg, transparent, black 30%, black 70%, transparent);
  -webkit-mask: linear-gradient(180deg, transparent, black 30%, black 70%, transparent);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  z-index: 1;
}
.stat {
  padding: 8px 30px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.stat:last-child { border-right: 0; }
.stat .num {
  font-family: var(--display);
  font-size: 64px;
  font-weight: 350;
  letter-spacing: -0.03em;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.stat .num .unit {
  font-size: 22px;
  color: var(--gold);
  font-style: italic;
}
.stat .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-top: 14px;
}
.stat .desc {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  margin-top: 8px;
  line-height: 1.5;
}

/* =============================================================
   SECTION BASE
   ============================================================= */
.section { padding: var(--section-y) 0; position: relative; }
.section-dark { background: var(--navy-ink); color: var(--white); }
.section-cream { background: var(--cream); }

.section-head {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  align-items: end;
  margin-bottom: 70px;
}
.section-head .left .num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
}
.section-head .left .num span { color: var(--gold-dim); margin-right: 8px; }
.section-head h2 {
  font-family: var(--display);
  font-size: clamp(36px, 4.5vw, 60px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--navy-ink);
}
html[lang^="zh"] .section-head h2 { font-weight: 500; line-height: 1.2; }
.section-dark .section-head h2 { color: var(--white); }
.section-head .right p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--charcoal);
  max-width: 580px;
}
.section-dark .section-head .right p { color: rgba(255,255,255,0.75); }
.section-dark .section-head .left .num { color: rgba(255,255,255,0.5); }

/* =============================================================
   DUAL BUSINESS SPLIT (signature section)
   ============================================================= */
.dual-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  position: relative;
}
.dual-split::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 50%;
  width: 1px;
  background: var(--hairline);
  z-index: 2;
}
.dual-split::after {
  content: '⇆';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--paper);
  color: var(--gold-dim);
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  z-index: 3;
}
.dual-pane {
  padding: 80px 60px;
  position: relative;
  transition: background .4s var(--ease);
}
.dual-pane:hover { background: rgba(18,60,47,0.02); }
.dual-pane.right:hover { background: rgba(185,138,47,0.04); }
.dual-pane .tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--navy);
  margin-bottom: 28px;
  padding: 6px 12px 6px 0;
}
.dual-pane .tag .marker {
  width: 8px; height: 8px;
  background: var(--navy);
  display: inline-block;
}
.dual-pane.right .tag { color: var(--gold-dim); }
.dual-pane.right .tag .marker { background: var(--gold); }

.dual-pane h3 {
  font-family: var(--display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--navy-ink);
  margin-bottom: 20px;
  max-width: 440px;
}
html[lang^="zh"] .dual-pane h3 { font-weight: 500; line-height: 1.3; }
.dual-pane .lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--charcoal);
  margin-bottom: 36px;
  max-width: 460px;
}
.dual-services {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 40px;
}
.dual-services li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 15px;
  color: var(--charcoal);
  transition: padding-left .3s var(--ease);
  cursor: pointer;
}
.dual-services li:hover { padding-left: 12px; color: var(--navy); }
.dual-services li::after {
  content: '→';
  color: var(--muted);
  font-size: 16px;
  transition: transform .3s var(--ease), color .3s var(--ease);
}
.dual-services li:hover::after { transform: translateX(4px); color: var(--gold-dim); }
.dual-services .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-right: 18px;
  letter-spacing: 0.1em;
}

/* =============================================================
   ADVANTAGES
   ============================================================= */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--hairline);
}
.adv-card {
  padding: 52px 48px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  position: relative;
  background: var(--white);
  transition: background .35s var(--ease);
}
.adv-card:nth-child(2n) { border-right: 0; }
.adv-card:nth-last-child(-n+2) { border-bottom: 0; }
.adv-card:hover { background: var(--cream); }
.adv-card .index {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold-dim);
  letter-spacing: 0.2em;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.adv-card .index::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--hairline);
}
.adv-card h4 {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 500;
  color: var(--navy-ink);
  margin-bottom: 16px;
  line-height: 1.2;
}
.adv-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* =============================================================
   CASE STUDIES
   ============================================================= */
.cases-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
}
.case-card {
  position: relative;
  padding: 44px 36px;
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  transition: transform .4s var(--ease), border-color .4s var(--ease);
  overflow: hidden;
}
.case-card:hover { transform: translateY(-4px); border-color: var(--gold); }
.case-card.featured {
  background: var(--navy-ink);
  color: var(--white);
  border-color: var(--navy-ink);
}
.case-card.featured:hover { border-color: var(--gold); }

.case-card .case-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
  display: flex; gap: 14px; align-items: center;
}
.case-card.featured .case-meta { color: rgba(255,255,255,0.55); }
.case-card .case-meta .industry { color: var(--gold-dim); }
.case-card.featured .case-meta .industry { color: var(--gold); }

.case-card .case-big {
  font-family: var(--display);
  font-size: 78px;
  font-weight: 350;
  line-height: 0.9;
  letter-spacing: -0.035em;
  color: var(--navy-ink);
  margin: 20px 0 18px;
}
.case-card.featured .case-big { color: var(--gold); }
.case-card .case-big .sign { font-size: 36px; vertical-align: top; color: var(--gold-dim); }
.case-card.featured .case-big .sign { color: var(--gold); opacity: 0.7; }

.case-card .case-title {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--navy-ink);
  margin-bottom: 14px;
}
.case-card.featured .case-title { color: var(--white); }

.case-card .case-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 32px;
  flex-grow: 1;
}
.case-card.featured .case-desc { color: rgba(255,255,255,0.7); }

.case-card .case-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding-top: 22px;
  border-top: 1px solid var(--hairline);
  transition: color .25s var(--ease);
}
.case-card.featured .case-link { color: var(--gold); border-color: rgba(255,255,255,0.15); }
.case-card .case-link:hover { color: var(--gold-dim); }

/* =============================================================
   AI SECTION (signature differentiator)
   ============================================================= */
.ai-block {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}
.ai-block .ai-text .eyebrow { color: var(--gold); margin-bottom: 26px; display: inline-flex; }
.ai-block .ai-text .eyebrow::before { background: var(--gold); }
.ai-block h2 {
  font-family: var(--display);
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 28px;
}
html[lang^="zh"] .ai-block h2 { font-weight: 500; line-height: 1.25; }
.ai-block .ai-text p {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 580px;
}
.ai-features {
  display: grid;
  gap: 14px;
  margin-bottom: 40px;
}
.ai-feat {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 2px;
}
.ai-feat .ico {
  width: 36px; height: 36px;
  border: 1px solid var(--gold);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}
.ai-feat .txt strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 2px;
}
.ai-feat .txt span {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

.ai-visual {
  position: relative;
  padding: 32px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 2px;
  font-family: var(--mono);
}
.ai-terminal-head {
  display: flex; justify-content: space-between;
  font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}
.ai-terminal-head .dots { display: flex; gap: 6px; }
.ai-terminal-head .dots span {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
}
.ai-terminal-head .dots span:first-child { background: var(--gold); }
.ai-line {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.08);
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}
.ai-line .label { color: rgba(255,255,255,0.45); }
.ai-line .val { color: var(--gold); font-weight: 600; }
.ai-line .val .up { color: #6FCF97; }
.ai-line:last-child { border-bottom: 0; }

.ai-bar {
  height: 4px;
  background: rgba(255,255,255,0.05);
  margin-top: 24px;
  position: relative;
  overflow: hidden;
}
.ai-bar::after {
  content: '';
  position: absolute;
  top: 0; left: 0; height: 100%;
  width: 78%;
  background: linear-gradient(90deg, var(--gold), #F5D662);
}

/* =============================================================
   INSIGHTS
   ============================================================= */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}
.insight-card {
  display: flex;
  flex-direction: column;
  padding: 32px 0;
  border-top: 2px solid var(--navy-ink);
  transition: padding .3s var(--ease);
}
.insight-card:hover { padding-top: 36px; }
.insight-card .insight-meta {
  display: flex; justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 26px;
}
.insight-card .insight-meta .cat { color: var(--gold-dim); }
.insight-card h4 {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--navy-ink);
  margin-bottom: 18px;
  flex-grow: 1;
}
.insight-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 26px;
}
.insight-card .insight-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  display: inline-flex;
  gap: 10px;
  align-items: center;
  align-self: flex-start;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 4px;
  transition: gap .25s var(--ease);
}
.insight-card .insight-link:hover { gap: 14px; }

/* =============================================================
   ABOUT PREVIEW
   ============================================================= */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}
.about-portrait {
  position: relative;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  overflow: hidden;
  border-radius: 2px;
}
.about-portrait::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent 0, transparent 24px, rgba(185,138,47,0.04) 24px, rgba(185,138,47,0.04) 25px);
}
.about-portrait::after {
  content: 'R+V';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-style: italic;
  font-size: 280px;
  font-weight: 300;
  color: rgba(185,138,47,0.18);
  letter-spacing: -0.05em;
}
.portrait-label {
  position: absolute;
  bottom: 28px; left: 28px;
  color: var(--white);
  z-index: 2;
}
.portrait-label .name {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 4px;
}
.portrait-label .title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
}

.about-text h2 {
  font-family: var(--display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.1;
  color: var(--navy-ink);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
html[lang^="zh"] .about-text h2 { font-weight: 500; line-height: 1.25; }
.about-text .bio {
  font-size: 17px;
  line-height: 1.75;
  color: var(--charcoal);
  margin-bottom: 32px;
}
.bio-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 32px;
  margin-bottom: 40px;
}
.bio-list li {
  font-size: 14px;
  color: var(--charcoal);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 16px;
  border-left: 2px solid var(--gold);
}
.bio-list li .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

/* =============================================================
   CTA STRIP
   ============================================================= */
.cta-strip {
  background: var(--cream);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding: 84px 0;
}
.cta-strip-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
}
.cta-strip h2 {
  font-family: var(--display);
  font-size: clamp(32px, 3.6vw, 48px);
  font-weight: 400;
  line-height: 1.1;
  color: var(--navy-ink);
  letter-spacing: -0.02em;
  max-width: 700px;
}
html[lang^="zh"] .cta-strip h2 { font-weight: 500; line-height: 1.25; }
.cta-strip h2 em { font-style: italic; color: var(--gold-dim); }
.cta-strip-actions { display: flex; flex-direction: column; gap: 12px; }

/* =============================================================
   FOOTER
   ============================================================= */
.site-footer {
  background: var(--navy-ink);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 32px;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.4;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.2fr;
  gap: 50px;
  margin-bottom: 70px;
}
.footer-brand .brand-name .cn { color: var(--white); font-size: 22px; }
.footer-brand .brand-name .en { color: rgba(255,255,255,0.4); }
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.55);
  margin-top: 24px;
  max-width: 320px;
}
.footer-col h5 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 22px;
  font-weight: 500;
}
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color .2s var(--ease);
}
.footer-col a:hover { color: var(--white); }

.newsletter {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 20px;
  margin-top: 14px;
}
.newsletter h5 {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: 0;
  text-transform: none;
}
.newsletter p { font-size: 12px; color: rgba(255,255,255,0.5); margin-bottom: 14px; line-height: 1.5; }
.newsletter-form { display: flex; }
.newsletter-form input {
  flex: 1;
  padding: 11px 14px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  border-right: 0;
  color: var(--white);
  font-size: 13px;
  font-family: inherit;
  outline: none;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.35); }
.newsletter-form input:focus { border-color: var(--gold); }
.newsletter-form button {
  padding: 11px 16px;
  background: var(--gold);
  color: var(--navy-deep);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.05em;
}
.newsletter-form button:hover { background: var(--gold-dim); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
}
.footer-bottom .socials { display: flex; gap: 18px; }
.footer-bottom .socials a:hover { color: var(--gold); }

/* =============================================================
   FLOATING CTA
   ============================================================= */
.floating-cta {
  position: fixed;
  bottom: 32px; right: 32px;
  z-index: 100;
  background: var(--navy-ink);
  color: var(--white);
  padding: 18px 26px;
  border-radius: 60px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 18px 48px rgba(18,60,47,0.32), 0 0 0 1px rgba(185,138,47,0.2);
  cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.floating-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 60px rgba(18,60,47,0.4), 0 0 0 1px var(--gold);
}
.floating-cta .pulse {
  width: 10px; height: 10px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(185,138,47,0.7);
  animation: pulse 2s var(--ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(185,138,47,0.7); }
  70% { box-shadow: 0 0 0 14px rgba(185,138,47,0); }
  100% { box-shadow: 0 0 0 0 rgba(185,138,47,0); }
}

/* =============================================================
   PAGE HEADER (interior pages)
   ============================================================= */
.page-hero {
  background: linear-gradient(180deg, var(--cream) 0%, var(--paper) 100%);
  padding: 80px 0 70px;
  border-bottom: 1px solid var(--hairline);
  position: relative;
}
.page-hero .breadcrumb {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
  display: flex; gap: 10px; align-items: center;
}
.page-hero .breadcrumb a { color: var(--muted); transition: color .2s; }
.page-hero .breadcrumb a:hover { color: var(--navy); }
.page-hero .breadcrumb .sep { color: var(--gold-dim); }
.page-hero h1 {
  font-family: var(--display);
  font-size: clamp(44px, 6vw, 80px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--navy-ink);
  margin-bottom: 24px;
}
html[lang^="zh"] .page-hero h1 { font-weight: 500; line-height: 1.1; }
.page-hero h1 em { font-style: italic; color: var(--gold-dim); }
.page-hero .lead {
  font-size: 19px;
  line-height: 1.6;
  color: var(--charcoal);
  max-width: 720px;
}

/* =============================================================
   SERVICES PAGE - detailed
   ============================================================= */
.service-row {
  display: grid;
  grid-template-columns: 100px 1fr 1.4fr;
  gap: 40px;
  padding: 56px 0;
  border-bottom: 1px solid var(--hairline);
  align-items: start;
}
.service-row .srv-num {
  font-family: var(--display);
  font-size: 56px;
  font-style: italic;
  font-weight: 350;
  color: var(--gold-dim);
  line-height: 1;
}
.service-row .srv-head h3 {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--navy-ink);
  margin-bottom: 16px;
}
.service-row .srv-head .srv-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gold-soft);
  padding: 4px 10px;
  display: inline-block;
  margin-bottom: 14px;
}
.service-row .srv-body { display: grid; gap: 22px; }
.service-row .srv-body .row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  font-size: 15px;
  line-height: 1.65;
}
.service-row .srv-body .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 4px;
}
.service-row .srv-body .val { color: var(--charcoal); }

/* =============================================================
   FAQ
   ============================================================= */
.faq-list { border-top: 1px solid var(--hairline); }
.faq-item { border-bottom: 1px solid var(--hairline); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  text-align: left;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  color: var(--navy-ink);
  line-height: 1.3;
  transition: color .25s var(--ease);
}
.faq-q:hover { color: var(--navy); }
.faq-q .icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border: 1px solid var(--hairline);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-left: 24px;
  transition: transform .3s var(--ease), background .25s var(--ease), color .25s var(--ease);
  font-size: 18px;
  color: var(--navy);
}
.faq-item.open .faq-q .icon { transform: rotate(45deg); background: var(--navy); color: var(--white); border-color: var(--navy); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .5s var(--ease);
}
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner {
  padding-bottom: 30px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--charcoal);
  max-width: 800px;
}

/* =============================================================
   CASE STUDIES PAGE
   ============================================================= */
.case-filters {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 50px;
}
.filter-btn {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid var(--hairline);
  color: var(--charcoal);
  border-radius: 2px;
  transition: all .25s var(--ease);
}
.filter-btn:hover { border-color: var(--navy); color: var(--navy); }
.filter-btn.active { background: var(--navy); color: var(--white); border-color: var(--navy); }

.case-full-list { display: grid; gap: 36px; }
.case-row {
  display: grid;
  grid-template-columns: 200px 1fr 280px;
  gap: 40px;
  padding: 40px;
  border: 1px solid var(--hairline);
  background: var(--white);
  align-items: center;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.case-row:hover { border-color: var(--gold); transform: translateY(-2px); }
.case-row .case-id {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.case-row .case-id .industry {
  display: block;
  font-family: var(--display);
  font-size: 22px;
  color: var(--navy-ink);
  font-style: italic;
  margin-top: 12px;
  letter-spacing: -0.01em;
  font-weight: 500;
}
.case-row .case-content h3 {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 500;
  color: var(--navy-ink);
  margin-bottom: 12px;
  line-height: 1.3;
}
.case-row .case-content p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--charcoal);
}
.case-row .case-result {
  text-align: right;
  border-left: 1px solid var(--hairline);
  padding-left: 30px;
}
.case-row .case-result .big {
  font-family: var(--display);
  font-size: 56px;
  font-weight: 350;
  color: var(--gold-dim);
  line-height: 0.9;
  letter-spacing: -0.03em;
}
.case-row .case-result .big .sign { font-size: 26px; vertical-align: top; }
.case-row .case-result .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 10px;
}

/* =============================================================
   CONTACT PAGE
   ============================================================= */
.contact-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact-form {
  background: var(--white);
  padding: 48px;
  border: 1px solid var(--hairline);
}
.contact-form h2 {
  font-family: var(--display);
  font-size: 32px;
  font-weight: 500;
  color: var(--navy-ink);
  margin-bottom: 8px;
  letter-spacing: -0.015em;
}
.contact-form .note {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--hairline);
}
.form-row { display: grid; gap: 22px; margin-bottom: 22px; }
.form-row.two { grid-template-columns: 1fr 1fr; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.field label .req { color: var(--gold-dim); margin-left: 4px; }
.field input, .field select, .field textarea {
  padding: 13px 16px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color .2s var(--ease), background .2s var(--ease);
  border-radius: 0;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--navy);
  background: var(--white);
}
.field textarea { resize: vertical; min-height: 100px; }
.contact-info { padding: 0; }
.contact-info h3 {
  font-family: var(--display);
  font-size: 28px;
  font-weight: 500;
  color: var(--navy-ink);
  margin-bottom: 24px;
  line-height: 1.25;
}
.contact-info p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--charcoal);
  margin-bottom: 40px;
}
.contact-channels { display: grid; gap: 20px; margin-bottom: 50px; }
.channel {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline-soft);
  align-items: center;
}
.channel .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.channel .val {
  font-size: 15px;
  color: var(--navy-ink);
  font-weight: 500;
}

.socials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.socials-grid a {
  background: var(--white);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--charcoal);
  transition: background .2s var(--ease), color .2s var(--ease);
}
.socials-grid a:hover { background: var(--cream); color: var(--navy); }
.socials-grid a .dot {
  width: 8px; height: 8px; background: var(--gold); border-radius: 50%; flex-shrink: 0;
}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-aside { max-width: 480px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .stat:nth-child(2n) { border-right: 0; }
  .stat:nth-last-child(-n+2) { border-bottom: 0; }
  .section-head { grid-template-columns: 1fr; gap: 24px; }
  .dual-split { grid-template-columns: 1fr; }
  .dual-split::before { left: 0; right: 0; top: 50%; bottom: auto; width: auto; height: 1px; }
  .dual-split::after { display: none; }
  .cases-grid { grid-template-columns: 1fr; }
  .ai-block { grid-template-columns: 1fr; gap: 48px; }
  .about-preview { grid-template-columns: 1fr; gap: 48px; }
  .insights-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .case-row { grid-template-columns: 1fr; gap: 24px; }
  .case-row .case-result { border-left: 0; border-top: 1px solid var(--hairline); padding-left: 0; padding-top: 24px; text-align: left; }
  .service-row { grid-template-columns: 1fr; gap: 24px; }
  .service-row .srv-num { font-size: 40px; }
}
@media (max-width: 720px) {
  :root { --gutter: 20px; --section-y: 64px; }
  .topbar-inner { font-size: 10px; }
  .topbar-left .meta-hide { display: none; }
  .main-nav { display: none; }
  .menu-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px;
    border: 1px solid var(--hairline);
  }
  .nav { height: 64px; }
  .nav-cta { display: none; }
  .hero { padding: 56px 0 70px; }
  .advantages-grid { grid-template-columns: 1fr; }
  .adv-card { border-right: 0 !important; border-bottom: 1px solid var(--hairline); }
  .adv-card:last-child { border-bottom: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .bio-list { grid-template-columns: 1fr; }
  .cta-strip-inner { grid-template-columns: 1fr; gap: 32px; }
  .floating-cta { padding: 14px 20px; font-size: 13px; bottom: 20px; right: 20px; }
  .floating-cta .lbl-long { display: none; }
  .dual-pane { padding: 48px 28px; }
  .case-card { padding: 32px 24px; }
  .case-card .case-big { font-size: 60px; }
  .form-row.two { grid-template-columns: 1fr; }
  .contact-form { padding: 32px 24px; }
  .socials-grid { grid-template-columns: 1fr 1fr; }
}

/* --- Utility --- */
[data-i18n] { transition: opacity .2s var(--ease); }
.fade-out { opacity: 0; }

.scroll-reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.scroll-reveal.in { opacity: 1; transform: translateY(0); }

/* =========================================================
   ADDITIONAL COMPONENTS — About / Insights / Downloads
   ========================================================= */

/* About page — team, timeline, credentials */
.about-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 40px;
}
.about-hero-grid .portrait-wrap {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--cream);
  border: 1px solid var(--hairline);
  overflow: hidden;
}
.about-hero-grid .portrait-wrap::before {
  content: "RICHARD";
  position: absolute;
  top: 24px; left: 24px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gold-dim);
}
.about-hero-grid .portrait-wrap::after {
  content: "EST. 2026";
  position: absolute;
  bottom: 24px; right: 24px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
}
.about-hero-grid .portrait-mono {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 280px;
  font-weight: 300;
  color: var(--navy);
  line-height: 1;
}
.about-hero-grid .portrait-mono em {
  font-style: italic;
  color: var(--gold);
}

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  margin: 60px 0;
}
.credentials-grid .cred {
  padding: 36px 28px;
  border-right: 1px solid var(--hairline);
}
.credentials-grid .cred:last-child { border-right: 0; }
.credentials-grid .cred .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--gold-dim);
  margin-bottom: 14px;
}
.credentials-grid .cred .val {
  font-family: var(--display);
  font-size: 26px;
  line-height: 1.2;
  color: var(--navy);
  font-weight: 400;
}
.credentials-grid .cred .val em {
  font-style: italic;
  color: var(--gold-dim);
}

.timeline-block {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  margin: 40px 0;
}
.timeline-block .timeline-side h3 {
  font-family: var(--display);
  font-size: 32px;
  line-height: 1.15;
  color: var(--navy);
  font-weight: 400;
  margin-bottom: 14px;
}
.timeline-block .timeline-side h3 em {
  font-style: italic;
  color: var(--gold-dim);
}
.timeline-block .timeline-side p {
  color: var(--muted);
  font-size: 14px;
}
.timeline {
  position: relative;
  padding-left: 32px;
  border-left: 1px solid var(--hairline);
}
.timeline-item {
  position: relative;
  padding-bottom: 36px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 8px;
  width: 8px; height: 8px;
  background: var(--gold);
  border: 1px solid var(--navy);
}
.timeline-item .year {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold-dim);
  margin-bottom: 8px;
}
.timeline-item h4 {
  font-family: var(--display);
  font-size: 20px;
  line-height: 1.3;
  color: var(--navy);
  margin-bottom: 6px;
  font-weight: 500;
}
.timeline-item p {
  color: var(--charcoal);
  font-size: 14.5px;
  line-height: 1.65;
}

.industries-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--hairline);
  margin: 50px 0;
}
.industries-strip .ind {
  padding: 28px 24px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.industries-strip .ind:nth-child(3n) { border-right: 0; }
.industries-strip .ind:nth-last-child(-n+3) { border-bottom: 0; }
.industries-strip .ind .num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--gold-dim);
  margin-bottom: 8px;
}
.industries-strip .ind h5 {
  font-family: var(--display);
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 6px;
  font-weight: 500;
}
.industries-strip .ind p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.language-block {
  background: var(--navy-deep);
  color: var(--white);
  padding: 60px 56px;
  margin: 60px 0;
  position: relative;
}
.language-block::before {
  content: "LANGUAGES";
  position: absolute;
  top: 24px; right: 24px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gold);
}
.language-block h3 {
  font-family: var(--display);
  font-size: 32px;
  font-weight: 300;
  margin-bottom: 36px;
  line-height: 1.3;
  max-width: 700px;
}
.language-block h3 em { font-style: italic; color: var(--gold); }
.lang-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.lang-grid .lang-cell {
  padding: 24px 16px 0 0;
  border-right: 1px solid rgba(255,255,255,0.12);
}
.lang-grid .lang-cell:last-child { border-right: 0; padding-right: 0; }
.lang-grid .lang-cell .l {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 6px;
}
.lang-grid .lang-cell .s {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}
.lang-grid .lang-cell.future .l { color: rgba(255,255,255,0.5); }
.lang-grid .lang-cell.future .s { color: rgba(185,138,47,0.6); }

/* Insights index — article cards */
.cat-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 50px;
  border-bottom: 1px solid var(--hairline);
  flex-wrap: wrap;
}
.cat-tabs button {
  background: transparent;
  border: 0;
  padding: 18px 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .2s;
  text-transform: uppercase;
}
.cat-tabs button:hover { color: var(--navy); }
.cat-tabs button.active {
  color: var(--navy);
  border-bottom-color: var(--gold);
}

.article-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--hairline); }
.article-card {
  padding: 40px 36px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
  transition: background .25s var(--ease);
  cursor: pointer;
  position: relative;
}
.article-card:nth-child(2n) { border-right: 0; }
.article-card:hover { background: var(--cream); }
.article-card .article-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 18px;
  display: flex;
  gap: 14px;
  text-transform: uppercase;
}
.article-card .article-meta .cat { color: var(--gold-dim); }
.article-card h3 {
  font-family: var(--display);
  font-size: 26px;
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: 14px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.article-card h3 em { font-style: italic; color: var(--gold-dim); }
.article-card p {
  color: var(--charcoal);
  font-size: 15px;
  line-height: 1.65;
  margin-bottom: 22px;
}
.article-card .article-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--navy);
  text-transform: uppercase;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 4px;
  transition: gap .25s var(--ease);
}
.article-card:hover .article-link { gap: 14px; }

.article-card.featured {
  grid-column: span 2;
  background: var(--navy-ink);
  color: var(--white);
  padding: 56px 48px;
}
.article-card.featured h3 { color: var(--white); font-size: 38px; }
.article-card.featured h3 em { color: var(--gold); }
.article-card.featured p { color: rgba(255,255,255,0.72); max-width: 680px; }
.article-card.featured .article-meta { color: rgba(255,255,255,0.5); }
.article-card.featured .article-meta .cat { color: var(--gold); }
.article-card.featured .article-link { color: var(--gold); border-color: rgba(185,138,47,0.4); }
.article-card.featured:hover { background: var(--navy-ink); }

/* Downloads page — resource cards */
.dl-tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 80px;
}
.dl-tier-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 20px;
}
.dl-tier-head h2 {
  font-family: var(--display);
  font-size: 42px;
  line-height: 1.1;
  color: var(--navy);
  font-weight: 400;
}
.dl-tier-head h2 em { font-style: italic; color: var(--gold-dim); }
.dl-tier-head .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.dl-card {
  background: var(--paper);
  border: 1px solid var(--hairline);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.dl-card:hover { transform: translateY(-3px); border-color: var(--gold); }
.dl-card .dl-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.dl-card .dl-meta .type { color: var(--gold-dim); }
.dl-card .dl-meta .size { color: var(--muted); }
.dl-card .dl-icon {
  width: 44px; height: 44px;
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  background: var(--cream);
  color: var(--navy);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.dl-card h4 {
  font-family: var(--display);
  font-size: 22px;
  line-height: 1.25;
  color: var(--navy);
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.dl-card p {
  color: var(--charcoal);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 22px;
  flex: 1;
}
.dl-card .dl-stats {
  display: flex;
  gap: 18px;
  margin-bottom: 22px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}
.dl-card .dl-stats span strong {
  color: var(--navy);
  font-family: var(--display);
  font-size: 16px;
  font-weight: 500;
  margin-right: 4px;
}
.dl-card .dl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--navy);
  color: var(--white);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background .25s;
  border: 1px solid var(--navy);
}
.dl-card .dl-btn:hover { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.dl-card .dl-btn.locked {
  background: transparent;
  color: var(--navy);
  border: 1px solid var(--hairline);
}
.dl-card .dl-btn.locked:hover { border-color: var(--gold); color: var(--gold-dim); background: transparent; }

.dl-card.premium {
  background: var(--navy-ink);
  color: var(--white);
  border-color: var(--navy-ink);
}
.dl-card.premium h4 { color: var(--white); }
.dl-card.premium p { color: rgba(255,255,255,0.72); }
.dl-card.premium .dl-icon { background: rgba(185,138,47,0.1); color: var(--gold); border-color: rgba(185,138,47,0.3); }
.dl-card.premium .dl-stats { color: rgba(255,255,255,0.55); }
.dl-card.premium .dl-stats span strong { color: var(--gold); }
.dl-card.premium .dl-btn { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.dl-card.premium .dl-btn:hover { background: var(--white); border-color: var(--white); }

.gate-modal {
  background: var(--cream);
  padding: 40px 36px;
  margin-top: 60px;
  border: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}
.gate-modal h3 {
  font-family: var(--display);
  font-size: 28px;
  color: var(--navy);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 12px;
}
.gate-modal h3 em { font-style: italic; color: var(--gold-dim); }
.gate-modal p { color: var(--charcoal); font-size: 14.5px; line-height: 1.6; }
.gate-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 12px;
}
.gate-form input {
  border: 1px solid var(--hairline);
  background: var(--white);
  padding: 14px 16px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  outline: none;
}
.gate-form input:focus { border-color: var(--gold); }
.gate-form button {
  background: var(--navy);
  color: var(--white);
  border: 0;
  padding: 14px 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s;
}
.gate-form button:hover { background: var(--gold); color: var(--navy); }

/* Responsive overrides for the new components */
@media (max-width: 1100px) {
  .about-hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-hero-grid .portrait-mono { font-size: 200px; }
  .credentials-grid { grid-template-columns: repeat(2, 1fr); }
  .credentials-grid .cred:nth-child(2n) { border-right: 0; }
  .credentials-grid .cred:nth-child(-n+2) { border-bottom: 1px solid var(--hairline); }
  .timeline-block { grid-template-columns: 1fr; gap: 36px; }
  .industries-strip { grid-template-columns: 1fr 1fr; }
  .industries-strip .ind:nth-child(3n) { border-right: 1px solid var(--hairline); }
  .industries-strip .ind:nth-child(2n) { border-right: 0; }
  .lang-grid { grid-template-columns: repeat(3, 1fr); }
  .lang-grid .lang-cell { padding: 20px 12px 0 0; }
  .article-list { grid-template-columns: 1fr; }
  .article-card { border-right: 0 !important; }
  .article-card.featured { grid-column: span 1; padding: 40px 32px; }
  .article-card.featured h3 { font-size: 28px; }
  .dl-grid { grid-template-columns: 1fr 1fr; }
  .gate-modal { grid-template-columns: 1fr; gap: 28px; padding: 32px 28px; }
  .gate-form { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .about-hero-grid .portrait-mono { font-size: 140px; }
  .credentials-grid { grid-template-columns: 1fr; }
  .credentials-grid .cred { border-right: 0 !important; border-bottom: 1px solid var(--hairline); }
  .credentials-grid .cred:last-child { border-bottom: 0; }
  .industries-strip { grid-template-columns: 1fr; }
  .industries-strip .ind { border-right: 0 !important; }
  .language-block { padding: 40px 28px; }
  .language-block h3 { font-size: 24px; }
  .lang-grid { grid-template-columns: 1fr 1fr; }
  .dl-grid { grid-template-columns: 1fr; }
  .dl-tier-head h2 { font-size: 32px; }
  .article-card.featured h3 { font-size: 24px; }
  .timeline-item h4 { font-size: 18px; }
}

/* =========================================================
   Form components for contact page
   ========================================================= */
.form-field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 22px; }
.form-field label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-field > input,
.form-field > select,
.form-field > textarea {
  padding: 13px 16px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color .2s var(--ease), background .2s var(--ease);
  border-radius: 0;
}
.form-field > input:focus,
.form-field > select:focus,
.form-field > textarea:focus {
  border-color: var(--navy);
  background: var(--white);
}
.form-field > textarea { resize: vertical; min-height: 110px; line-height: 1.5; }
.form-row.two .form-field { margin-bottom: 0; }
.form-row { margin-bottom: 22px; }

.form-checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  background: var(--paper);
  padding: 18px 20px;
  border: 1px solid var(--hairline);
}
.form-checks .check { font-family: var(--sans) !important; text-transform: none !important; letter-spacing: 0 !important; }
.check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--charcoal);
  cursor: pointer;
  line-height: 1.5;
}
.check input[type="radio"],
.check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--gold);
  margin: 0;
  flex-shrink: 0;
}
.check.tos {
  font-size: 13px;
  color: var(--muted);
  padding: 16px 20px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--gold);
  margin-bottom: 22px;
}
.form-submit {
  width: 100%;
  justify-content: center;
  padding: 18px 28px;
  font-size: 13px;
}

@media (max-width: 720px) {
  .form-checks { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 22px !important; }
}

/* =============================================================
   P0 UPGRADES (2026-09-01)
   - Dual-path CTA (index)
   - Comparison table (index + services)
   - Honesty / who-we-don't-serve (services)
   - Two-step quick form (contact + modal)
   ============================================================= */

/* ---------- Dual-path CTA ---------- */
.dual-path {
  background: var(--navy);
  color: var(--white);
  padding: var(--section-y) 0;
}
.dual-path .dp-head {
  max-width: 760px;
  margin-bottom: 40px;
}
.dual-path .dp-head .eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
}
.dual-path .dp-head h2 {
  font-family: var(--display);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.15;
  margin: 14px 0 12px;
  color: var(--white);
}
.dual-path .dp-head p {
  color: rgba(255,255,255,0.72);
  font-size: 16px;
  line-height: 1.7;
}
.dual-path .dp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.dp-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 34px 32px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.dp-card:hover { transform: translateY(-4px); border-color: var(--gold); background: rgba(255,255,255,0.07); }
.dp-card .dp-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
}
.dp-card h3 {
  font-family: var(--display);
  font-size: 26px;
  line-height: 1.25;
  color: var(--white);
  margin: 0;
}
.dp-card p { color: rgba(255,255,255,0.7); font-size: 14.5px; line-height: 1.7; margin: 0; }
.dp-card ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.dp-card ul li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  line-height: 1.55;
}
.dp-card ul li::before {
  content: "→";
  position: absolute; left: 0; top: 0;
  color: var(--gold);
}
.dp-card .btn { margin-top: auto; align-self: flex-start; }
.dp-card.right { background: rgba(185,138,47,0.05); border-color: rgba(185,138,47,0.22); }
.dp-card.right:hover { border-color: var(--gold); background: rgba(185,138,47,0.09); }
.dp-card.right .dp-tag { color: var(--gold); }

/* ---------- Comparison table ---------- */
.cmp-section { background: var(--paper); }
.cmp-wrap { overflow-x: auto; border: 1px solid var(--hairline); border-radius: 14px; background: var(--white); }
table.cmp {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}
table.cmp th, table.cmp td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hairline-soft);
}
table.cmp thead th {
  background: var(--navy);
  color: var(--white);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
table.cmp thead th.ryt-col { background: var(--gold); color: var(--navy); }
table.cmp tbody tr:last-child td { border-bottom: none; }
table.cmp tbody tr:hover td { background: rgba(185,138,47,0.05); }
table.cmp td.dim { color: var(--muted); width: 26%; }
table.cmp td.ryt-val { color: var(--navy); font-weight: 600; }
table.cmp td .chk { color: var(--gold-dim); font-weight: 700; }
table.cmp td .x { color: #C0392B; font-weight: 700; }
table.cmp td .sub { display: block; font-size: 12.5px; color: var(--muted); font-weight: 400; margin-top: 3px; line-height: 1.5; }

/* ---------- Honesty section ---------- */
.honesty { background: var(--cream); }
.honesty-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 34px;
  align-items: start;
}
.honesty-grid .hs-left .lead {
  font-size: 17px; line-height: 1.8; color: var(--charcoal);
  margin-bottom: 20px;
}
.honesty-note {
  border-left: 3px solid var(--gold);
  background: var(--white);
  padding: 16px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.hs-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.hs-list li {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 18px 20px;
}
.hs-list li .hs-x {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(192,57,43,0.08);
  color: #C0392B;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
}
.hs-list li .hs-txt strong { display: block; font-size: 15px; color: var(--navy); margin-bottom: 4px; }
.hs-list li .hs-txt span { font-size: 13.5px; color: var(--muted); line-height: 1.6; }

/* ---------- Two-step quick form ---------- */
.quick-form-card {
  border: 1px solid var(--hairline);
  border-radius: 14px;
  background: var(--white);
  padding: 30px 28px;
  margin-bottom: 26px;
}
.quick-form-card .qf-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 6px; }
.quick-form-card .qf-head h3 { font-family: var(--display); font-size: 22px; margin: 0; color: var(--navy); }
.quick-form-card .qf-head .badge {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em;
  color: var(--gold-dim); border: 1px solid rgba(185,138,47,0.5);
  padding: 4px 10px; border-radius: 999px; white-space: nowrap;
}
.quick-form-card > p { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 4px 0 22px; }
.qf-step { display: none; }
.qf-step.active { display: block; }
.qf-steps-ind { display: flex; gap: 8px; margin-bottom: 20px; }
.qf-steps-ind .st { flex: 1; height: 3px; border-radius: 2px; background: var(--hairline); transition: background .3s; }
.qf-steps-ind .st.on { background: var(--gold); }
.qf-options { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 10px; }
.qf-opt {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 16px 16px 16px 18px;
  cursor: pointer;
  transition: border-color .25s, background .25s;
  background: var(--paper);
}
.qf-opt:hover { border-color: var(--gold); }
.qf-opt.selected { border-color: var(--gold); background: var(--gold-soft); }
.qf-opt .en { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; color: var(--gold-dim); text-transform: uppercase; }
.qf-opt .cn { display: block; font-size: 14.5px; font-weight: 600; color: var(--navy); margin-top: 4px; }
.qf-opt input { position: absolute; opacity: 0; pointer-events: none; }
.qf-field { margin-bottom: 16px; }
.qf-field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 7px; }
.qf-field input {
  width: 100%; padding: 13px 15px;
  border: 1px solid var(--hairline); border-radius: 8px;
  font-size: 15px; color: var(--charcoal); background: var(--white);
  font-family: var(--sans);
}
.qf-field input:focus { outline: none; border-color: var(--gold); }
.qf-actions { display: flex; gap: 12px; margin-top: 8px; }
.qf-back {
  background: transparent; border: 1px solid var(--hairline);
  color: var(--muted); padding: 12px 22px; border-radius: 999px;
  font-size: 13px; cursor: pointer; font-family: var(--sans);
  transition: border-color .25s, color .25s;
}
.qf-back:hover { border-color: var(--navy); color: var(--navy); }
.form-success {
  display: none;
  background: rgba(34,139,34,0.08);
  border: 1px solid rgba(34,139,34,0.3);
  border-left: 3px solid #228B22;
  color: #1E6B1E;
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 14.5px;
  line-height: 1.7;
  margin-top: 8px;
}
.form-error {
  display: none;
  background: rgba(192,57,43,0.07);
  border: 1px solid rgba(192,57,43,0.3);
  border-left: 3px solid #C0392B;
  color: #9C3325;
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.6;
  margin-top: 8px;
}

/* ---------- Lead modal (floating CTA) ---------- */
.lead-modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(6,23,48,0.6);
  display: none; align-items: center; justify-content: center;
  padding: 20px;
  backdrop-filter: blur(3px);
}
.lead-modal-overlay.open { display: flex; }
.lead-modal {
  width: 100%; max-width: 520px;
  background: var(--paper);
  border-radius: 16px;
  padding: 34px 32px;
  position: relative;
  max-height: 92vh; overflow-y: auto;
  box-shadow: 0 30px 80px rgba(6,23,48,0.35);
}
.lead-modal .lm-close {
  position: absolute; top: 14px; right: 16px;
  background: none; border: none;
  font-size: 22px; color: var(--muted); cursor: pointer; line-height: 1;
}
.lead-modal .lm-close:hover { color: var(--navy); }
.lead-modal h3 { font-family: var(--display); font-size: 24px; color: var(--navy); margin: 6px 0 8px; }
.lead-modal > p { color: var(--muted); font-size: 14px; line-height: 1.6; margin: 0 0 20px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .dual-path .dp-grid { grid-template-columns: 1fr; }
  .honesty-grid { grid-template-columns: 1fr; }
  .qf-options { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .dp-card { padding: 26px 22px; }
  table.cmp th, table.cmp td { padding: 12px 12px; font-size: 13px; }
  .quick-form-card { padding: 24px 20px; }
}


/* =============================================================
   P0-4 · Hero 数据卡片组 + 信任条
   ============================================================= */
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 26px;
}
.hero-stat {
  border: 1px solid var(--hairline-soft);
  background: var(--white);
  border-radius: 8px;
  padding: 16px 10px 14px;
  text-align: center;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}
.hero-stat:hover { border-color: var(--gold); transform: translateY(-2px); }
.hero-stat .hs-num {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 600;
  color: var(--navy-ink);
  line-height: 1;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.hero-stat .hs-num em { font-style: normal; }
.hero-stat .hs-num .hs-unit { color: var(--gold); font-size: 15px; }
.hero-stat .hs-label {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 7px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}
.hero-trust {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px dashed var(--hairline-soft);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

/* P0-5 · 对比表「融易通」列浅金底色 */
table.cmp th.ryt-col { background: var(--gold); color: var(--navy-ink); }
table.cmp td.ryt-col,
table.cmp td.ryt-val {
  background: rgba(185,138,47,0.06);
}
table.cmp tbody tr:hover td.ryt-col { background: rgba(185,138,47,0.1); }


/* =============================================================
   P0-3 · 数据字体统一（小数据 mono + 金色，大数字保留 display）
   原则：>40px 展示级数字用 display（编辑社论风），
        内联/标签级数据用 JetBrains Mono + 金色形成"数据即品牌"
   ============================================================= */
.ai-line .val { font-family: var(--mono); font-size: 14px; letter-spacing: 0.02em; }
.ai-line .label { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }
.ai-line .val .up { font-family: var(--mono); }

.dl-card .dl-stats { font-family: var(--mono); }
.dl-card .dl-stats span strong { color: var(--gold-dim); }

.case-card .case-meta { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.insight-card .insight-meta { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }

/* 通用数据高亮工具：内联数字统一金色 mono */
.data-num { font-family: var(--mono); color: var(--gold-dim); font-weight: 600; }

/* stats 大数字微调：unit 金色保持，num 加一点字重层次 */
.stat .num { font-weight: 380; }
.stat .num .unit { color: var(--gold); }


/* =============================================================
   P1-1 · 品牌水印系统（深色区块叠加桥形水印，透明度 3-5%）
   水印 = 品牌 "R+V Bridge" 图形符号：桥拱 + 水平金色航线
   ============================================================= */
/* P1-1 · 品牌水印（section-dark / dual-path） */
.section-dark::before,
.dual-path::before {
  content: '';
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 420px;
  height: 260px;
  pointer-events: none;
  opacity: 0.045;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, transparent 55%, currentColor 56%, currentColor 62%, transparent 63%),
    radial-gradient(ellipse 40% 50% at 30% 60%, transparent 40%, currentColor 41%, currentColor 46%, transparent 47%);
  color: var(--gold);
  -webkit-mask-image: linear-gradient(135deg, black, transparent 75%);
          mask-image: linear-gradient(135deg, black, transparent 75%);
  z-index: 0;
}
/* footer 水印用独立 ::after，不干扰原 ::before 金色线 */
.site-footer::after {
  content: '';
  position: absolute;
  right: 20px;
  bottom: 60px;
  width: 380px;
  height: 240px;
  pointer-events: none;
  opacity: 0.04;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, transparent 55%, currentColor 56%, currentColor 62%, transparent 63%);
  color: var(--gold);
  z-index: 0;
}
/* 区块内部容器层级，避免水印压内容 */
.section-dark .container,
.dual-path .container,
.site-footer .container { position: relative; z-index: 1; }

/* 正文区大数字区角落小水印点缀（可选，克制使用） */
.section-dark .ai-visual::after {
  content: '';
  position: absolute;
  top: -18px; right: -18px;
  width: 140px; height: 90px;
  background:
    radial-gradient(ellipse 60% 80% at 50% 100%, transparent 55%, rgba(185,138,47,0.5) 56%, rgba(185,138,47,0.5) 62%, transparent 63%);
  opacity: 0.25;
  pointer-events: none;
}


/* =============================================================
   P1-2 · 信任背书区（客户墙 + 数字条 + 可电话参考）
   ============================================================= */
.trust-strip {
  background: var(--paper);
  border-bottom: 1px solid var(--hairline-soft);
  padding: 60px 0 64px;
}
.trust-head { margin-bottom: 36px; }
.trust-head .eyebrow { margin-bottom: 14px; display: inline-flex; }
.trust-head h2 {
  font-family: var(--display);
  font-size: clamp(28px, 3.2vw, 40px);
  color: var(--navy-ink);
  font-weight: 500;
  line-height: 1.2;
}
.trust-head h2 em { color: var(--gold-dim); font-style: italic; }

.trust-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: var(--white);
  padding: 26px 12px;
  margin-bottom: 20px;
}
.trust-item {
  flex: 1 1 0;
  min-width: 130px;
  text-align: center;
  padding: 6px 10px;
}
.trust-item .t-num {
  display: block;
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 600;
  color: var(--navy-ink);
  line-height: 1;
  letter-spacing: -0.01em;
}
.trust-item .t-num::after {
  content: '';
  display: block;
  width: 22px; height: 2px;
  background: var(--gold);
  margin: 10px auto 0;
}
.trust-item .t-label {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.45;
}
.trust-sep {
  width: 1px; height: 44px;
  background: var(--hairline-soft);
  flex-shrink: 0;
}

.trust-note {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--cream);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  padding: 16px 22px;
}
.trust-note .tn-badge {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  border: 1px solid var(--gold);
  border-radius: 999px;
  padding: 6px 14px;
  white-space: nowrap;
  background: var(--white);
}
.trust-note p {
  flex: 1;
  font-size: 14px;
  color: var(--charcoal);
  line-height: 1.6;
  min-width: 220px;
}
.trust-note .link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  border-bottom: 1px solid var(--navy);
  padding-bottom: 3px;
  transition: gap .25s var(--ease);
}
.trust-note .link:hover { gap: 12px; }

@media (max-width: 900px) {
  .trust-bar { flex-direction: column; align-items: stretch; }
  .trust-sep { width: 100%; height: 1px; }
  .trust-item { min-width: 0; padding: 14px 10px; }
}


/* =============================================================
   P1-3 · 图标统一规范（细线几何风 stroke 1.5px，去填充）
   ============================================================= */
/* 页面内所有装饰性 SVG：统一细描边、圆角端帽 */
.brand-mark svg { stroke-linecap: round; stroke-linejoin: round; }
.menu-toggle svg path { stroke-width: 1.5; }
.header-icon, .ico, .dot-marker { stroke-width: 1.5; }

/* 对比表勾/叉：由纯字符升级为"描边符号"观感 */
table.cmp td .chk,
table.cmp td .x {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  font-size: 11px;
  line-height: 1;
  margin-right: 6px;
  vertical-align: -2px;
}
table.cmp td .chk {
  color: var(--navy);
  background: rgba(185,138,47,0.14);
  border: 1px solid var(--gold-dim);
}
table.cmp td .x {
  color: #C0392B;
  background: rgba(192,57,43,0.07);
  border: 1px solid rgba(192,57,43,0.35);
}

/* 渠道/社交列表项：左侧细线引导符 */
.contact-channels .channel { position: relative; padding-left: 14px; }
.contact-channels .channel::before {
  content: '';
  position: absolute; left: 0; top: 8px; bottom: 8px;
  width: 2px; background: var(--gold); opacity: 0.6; border-radius: 2px;
}

/* 通用几何图标底座（细线圆/方） */
.geo-ico {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--gold-dim);
  border-radius: 8px;
  color: var(--navy);
  background: var(--white);
  font-family: var(--mono);
  font-size: 15px;
}


/* =============================================================
   P1-4 · 页脚备案信息行（ICP + 公安备案）
   ============================================================= */
.beian-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 18px 0 6px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  font-family: var(--sans);
  letter-spacing: 0.02em;
}
.beian-line a {
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  transition: color .25s var(--ease);
}
.beian-line a:hover { color: var(--gold); }
.beian-line .sep { color: rgba(255,255,255,0.2); }

/* 页脚底部调整为备案行上方有间距 */
.site-footer .footer-bottom { padding-top: 10px; }


/* =============================================================
   P2-T · 中文可读性字号修正（2026-09-03）
   依据：中文在同等 px 下视觉小于拉丁字母，正文≥14px/辅助≥12px
   ============================================================= */

/* --- 全局明显过小修正（中英文通用） --- */
.hero-trust { font-size: 11.5px; }
.form-submit { font-size: 14px; }
.filter-btn { font-size: 14px; }
.nav-cta { font-size: 14px; }
.dl-btn { font-size: 13px; }
.dl-btn span { font-size: 13px; }
table.cmp td .sub { font-size: 13px; line-height: 1.55; }
.newsletter p { font-size: 13px; }
.case-link { font-size: 13.5px; }
.insight-link { font-size: 13.5px; }

/* --- 中文模式字号补偿层：中文每档 +1~1.5px --- */
html[lang^="zh"] .eyebrow { font-size: 12px; letter-spacing: 0.14em; }
html[lang^="zh"] .kicker { font-size: 12px; }
html[lang^="zh"] .topbar { font-size: 13px; }
html[lang^="zh"] .topbar-inner { font-size: 12.5px; }
html[lang^="zh"] .hero-meta { font-size: 12px; }
html[lang^="zh"] .stat .label { font-size: 12px; letter-spacing: 0.12em; }
html[lang^="zh"] .stat .desc { font-size: 14px; }
html[lang^="zh"] .hs-label { font-size: 12px; }
html[lang^="zh"] .hs-num .hs-unit { font-size: 15px; }
html[lang^="zh"] .hero-trust { font-size: 11.5px; letter-spacing: 0.05em; }
html[lang^="zh"] .hero-aside li { font-size: 14.5px; line-height: 1.65; }
html[lang^="zh"] .hero-aside .link { font-size: 13.5px; }
html[lang^="zh"] .dual-pane .tag,
html[lang^="zh"] .dp-tag { font-size: 12px; letter-spacing: 0.1em; }
html[lang^="zh"] .dual-services li,
html[lang^="zh"] .dual-services li span { font-size: 15px; }
html[lang^="zh"] .tn-badge { font-size: 12px; }
html[lang^="zh"] .trust-item .t-label { font-size: 13px; }
html[lang^="zh"] .case-card .case-meta,
html[lang^="zh"] .insight-card .insight-meta,
html[lang^="zh"] .industry { font-size: 12px; letter-spacing: 0.06em; }
html[lang^="zh"] .case-card .case-desc { font-size: 14.5px; line-height: 1.7; }
html[lang^="zh"] .case-link { font-size: 13.5px; }
html[lang^="zh"] .ai-feat .txt span { font-size: 13.5px; }
html[lang^="zh"] .ai-feat .txt strong { font-size: 15px; }
html[lang^="zh"] .srv-tag,
html[lang^="zh"] .service-row .srv-head .meta { font-size: 12px; }
html[lang^="zh"] .service-row .srv-body .row span,
html[lang^="zh"] .service-row .srv-body .row { font-size: 15px; }
html[lang^="zh"] .credentials-grid .cred .lbl,
html[lang^="zh"] .contact-channels .channel .lbl,
html[lang^="zh"] .lbl { font-size: 12px; }
html[lang^="zh"] .dl-meta,
html[lang^="zh"] .dl-card .dl-meta { font-size: 11px; letter-spacing: 0.06em; }
html[lang^="zh"] .dl-stats,
html[lang^="zh"] .dl-card .dl-stats { font-size: 12px; }
html[lang^="zh"] .dl-stats span strong { font-size: 15px; }
html[lang^="zh"] .year,
html[lang^="zh"] .timeline-item .year { font-size: 12px; letter-spacing: 0.06em; }
html[lang^="zh"] .badge { font-size: 12px; }
html[lang^="zh"] .qf-opt .cn { font-size: 15px; }
html[lang^="zh"] .check { font-size: 15px; }
html[lang^="zh"] .check.tos { font-size: 14px; }
html[lang^="zh"] .footer-bottom { font-size: 12px; }
html[lang^="zh"] .beian-line { font-size: 12.5px; }
html[lang^="zh"] .faq-a-inner { font-size: 15px; line-height: 1.8; }
html[lang^="zh"] .section-head .right p { font-size: 17.5px; }
html[lang^="zh"] .page-hero .lead { font-size: 19px; }
html[lang^="zh"] .form-field label { font-size: 13.5px; }
html[lang^="zh"] .channel .val { font-size: 15px; }
html[lang^="zh"] .newsletter-form button { font-size: 13px; }
html[lang^="zh"] .main-nav a { font-size: 15px; }
html[lang^="zh"] .article-card p,
html[lang^="zh"] .adv-card p { font-size: 14.5px; line-height: 1.75; }
html[lang^="zh"] .insight-card h4 { font-size: 24px; }
html[lang^="zh"] .gate-modal p { font-size: 15px; }
html[lang^="zh"] .contact-info p { font-size: 15.5px; line-height: 1.8; }
html[lang^="zh"] .timeline-item p { font-size: 15px; line-height: 1.75; }


/* =============================================================
   文章阅读页（insights/articles）
   ============================================================= */
.article-hero { padding: 56px 0 44px; }
.article-hero h1 {
  font-family: var(--display);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.16;
  color: var(--navy-ink);
  font-weight: 500;
  max-width: 900px;
  letter-spacing: -0.01em;
}
.article-meta-top {
  display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--muted); text-transform: uppercase;
  margin-bottom: 22px;
}
.article-meta-top .cat { color: var(--gold-dim); }
.article-container { max-width: 860px; }
.article-body { padding-top: 20px; }
.article-body p { font-size: 16.5px; line-height: 1.95; color: var(--charcoal); margin-bottom: 20px; }
.article-body strong { color: var(--navy); font-weight: 600; }
.article-body h2 {
  font-family: var(--display); font-size: 26px; line-height: 1.35;
  color: var(--navy); margin: 44px 0 16px; font-weight: 600;
}
.article-body h3 {
  font-family: var(--display); font-size: 21px; line-height: 1.4;
  color: var(--navy-ink); margin: 34px 0 12px; font-weight: 600;
}
.article-body h4 { font-size: 17px; font-weight: 600; color: var(--navy); margin: 26px 0 10px; }
.article-body blockquote {
  border-left: 3px solid var(--gold);
  background: var(--cream);
  padding: 16px 22px;
  margin: 22px 0;
  font-size: 16px;
  color: var(--navy);
  font-style: italic;
  border-radius: 0 8px 8px 0;
}
.article-body hr { border: 0; border-top: 1px solid var(--hairline); margin: 32px 0; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 4px; }
.article-body ul li, .article-body ol li {
  position: relative; padding-left: 20px; margin-bottom: 8px;
  font-size: 16px; line-height: 1.85; color: var(--charcoal);
}
.article-body ul li::before { content: ''; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; background: var(--gold-dim); transform: rotate(45deg); }
.article-body ol { counter-reset: art; }
.article-body ol li { counter-increment: art; }
.article-body ol li::before { content: counter(art) "."; left: 0; top: 0; color: var(--gold-dim); font-family: var(--mono); font-weight: 600; }
.article-end {
  margin-top: 52px; padding-top: 28px;
  border-top: 1px solid var(--hairline);
  display: flex; flex-direction: column; gap: 14px; align-items: flex-start;
}
.article-end p { font-family: var(--display); font-size: 16px; color: var(--muted); font-style: italic; }
@media (max-width: 720px) {
  .article-body p { font-size: 15.5px; line-height: 1.85; }
  .article-body h2 { font-size: 22px; }
}


/* =============================================================
   内容双轨制 · 下载页受众分组（2026-09-04）
   ============================================================= */
.dl-aud {
  margin: -8px 0 22px;
  padding: 12px 18px;
  background: var(--cream);
  border-left: 3px solid var(--gold-dim);
  font-size: 13.5px;
  color: var(--charcoal);
  border-radius: 0 8px 8px 0;
}
.dl-aud.en {
  background: rgba(18,60,47,0.06);
  border-left-color: var(--navy);
}
.en-card { border-left: 3px solid var(--navy-500); }
.en-card .dl-meta .type { color: var(--navy); }
.en-card .dl-icon {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  font-size: 12px;
  letter-spacing: 0.05em;
}


/* =============================================================
   内容双轨制 · 受众徽标（2026-09-04）
   ============================================================= */
.aud-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  background: rgba(18,60,47,0.08);
  border: 1px solid rgba(18,60,47,0.2);
  border-radius: 999px;
  padding: 3px 10px;
  margin-right: 8px;
  vertical-align: 1px;
}
html[lang^="zh"] .aud-badge { font-size: 11px; }


/* =============================================================
   二级导航下拉（IA v1.0 · 2026-09-04）
   ============================================================= */
.main-nav .nav-item { position: relative; display: inline-flex; align-items: center; }
.main-nav .nav-item > a { position: relative; display: inline-flex; align-items: center; gap: 2px; }
.nav-caret { font-size: 9px; color: var(--gold-dim); opacity: 0.7; transition: transform .25s var(--ease); }
.nav-item:hover .nav-caret { transform: rotate(180deg); }

.nav-drop {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 240px;
  background: var(--white);
  border: 1px solid var(--hairline);
  border-top: 2px solid var(--gold-dim);
  border-radius: 0 0 10px 10px;
  box-shadow: 0 24px 60px rgba(6,23,16,0.14);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
  z-index: 120;
}
.nav-drop-inner { display: flex; flex-direction: column; gap: 2px; }
.nav-item:hover .nav-drop,
.nav-item:focus-within .nav-drop { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

.nav-drop-item {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 14px;
  border-radius: 6px;
  transition: background .2s var(--ease);
}
.nav-drop-item:hover { background: var(--cream); }
.nav-drop-item .nd-t { font-size: 14px; font-weight: 600; color: var(--navy-ink); }
.nav-drop-item .nd-d { font-size: 12px; color: var(--muted); }


/* nav-drop 防御性修正 */
.site-header { z-index: 200; }
.main-nav { position: relative; z-index: 210; }
.nav-drop { z-index: 300; }


/* 动态展开态（nav.js 点击驱动） */
.nav-item.open .nav-drop,
.nav-item.open:hover .nav-drop { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.nav-item.open .nav-caret { transform: rotate(180deg); }
.nav-item > a { cursor: pointer; }
.main-nav .nav-item > a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--gold-dim);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.main-nav .nav-item:hover > a::after,
.main-nav .nav-item.open > a::after { transform: scaleX(1); }

/* 微动画：条目依次淡入（展开时） */
.nav-item.open .nav-drop-item { animation: navItemIn .28s var(--ease) both; }
.nav-item.open .nav-drop-item:nth-child(1) { animation-delay: .03s; }
.nav-item.open .nav-drop-item:nth-child(2) { animation-delay: .06s; }
.nav-item.open .nav-drop-item:nth-child(3) { animation-delay: .09s; }
.nav-item.open .nav-drop-item:nth-child(4) { animation-delay: .12s; }
@keyframes navItemIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}


/* 移动端：下拉内联展示（nav.js 在 mobile-open 时由 CSS 处理） */
.main-nav.mobile-open .nav-item { display: flex; flex-direction: column; align-items: stretch; width: 100%; }
.main-nav.mobile-open .nav-drop { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; border-left: 2px solid var(--gold-dim); border-radius: 0; margin: 6px 0 6px 8px; padding: 4px 0 4px 6px; min-width: 0; background: transparent; }
.main-nav.mobile-open .nav-drop-item { padding: 8px 10px; }
.main-nav.mobile-open .nav-caret { display: none; }