/* ===================================================
   邑企出海 YEEU — 先锋视觉规范系统 V1.1
   配色: 深空蓝黑 #02040A + 电光青 #00F0FF + 电光紫 #6366F1
   =================================================== */

/* ── Design Tokens ── */
:root {
  /* Background layers */
  --bg-void: #02040A;
  --bg-base: #05070A;
  --bg-surface: #0A0E17;
  --bg-elevated: #111827;
  --bg-glass: rgba(10, 14, 23, 0.65);

  /* Primary & accent */
  --primary: #00F0FF;
  --primary-dim: rgba(0, 240, 255, 0.15);
  --secondary: #6366F1;
  --secondary-dim: rgba(99, 102, 241, 0.15);

  /* Status & data */
  --accent-gold: #FFD700;
  --accent-magenta: #FF00AA;
  --success: #39FF14;
  --warning: #FFB800;
  --error: #FF4757;

  /* Text */
  --text-primary: #F0F4F8;
  --text-secondary: #94A3B8;
  --text-tertiary: #475569;
  --text-inverse: #02040A;

  /* Borders */
  --border-subtle: rgba(148, 163, 184, 0.1);
  --border-glow: rgba(0, 240, 255, 0.25);
  --border-gold: rgba(255, 215, 0, 0.3);

  /* Gradients */
  --gradient-flow: conic-gradient(from 0deg, #00F0FF, #6366F1, #FF00AA, #00F0FF);
  --gradient-soft: linear-gradient(135deg, #00F0FF 0%, #6366F1 100%);
  --gradient-aurora: linear-gradient(180deg, rgba(0,240,255,0.08) 0%, rgba(99,102,241,0.05) 50%, transparent 100%);

  /* Spacing (4px base) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* Shadows / Elevation */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow-cyan: 0 0 20px rgba(0, 240, 255, 0.15), 0 0 40px rgba(0, 240, 255, 0.08);
  --shadow-glow-gold: 0 0 20px rgba(255, 215, 0, 0.12), 0 0 40px rgba(255, 215, 0, 0.06);

  /* Typography */
  --font-display: 'Space Grotesk', 'Clash Display', 'Syne', sans-serif;
  --font-body-en: 'Inter', 'Satoshi', 'Helvetica Neue', sans-serif;
  --font-display-zh: 'SmileySans-Oblique', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body-zh: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Roboto Mono', monospace;

  /* Legacy aliases for backward compatibility */
  --navy: var(--bg-surface);
  --navy-mid: var(--bg-elevated);
  --navy-light: #1e4a80;
  --gold: var(--accent-gold);
  --gold-light: #d4af5a;
  --gold-soft: rgba(255, 215, 0, 0.13);
  --paper: var(--bg-base);
  --paper-soft: var(--bg-surface);
  --paper-deep: var(--bg-elevated);
  --ink: var(--text-primary);
  --ink-soft: var(--text-secondary);
  --ink-faint: var(--text-tertiary);
  --white: var(--text-primary);
  --line: var(--border-subtle);
  --line-light: rgba(255, 255, 255, 0.12);
  --shadow: var(--shadow-lg);
  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --max-width: 1280px;
  --header-height: 72px;

  /* Z-index */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-nav: 300;
  --z-drawer: 400;
  --z-modal: 500;
  --z-tooltip: 600;
  --z-toast: 700;
  --z-loading: 800;

  /* Easing */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { border: 0; background: none; color: inherit; cursor: pointer; }
section[id] { scroll-margin-top: calc(var(--header-height) + 24px); }

/* ── Base ── */
body {
  min-height: 100vh;
  color: var(--text-primary);
  background-color: var(--bg-base);
  background-image:
    radial-gradient(circle at 1px 1px, var(--border-subtle) 1px, transparent 0);
  background-size: 40px 40px;
  font-family: var(--font-body-en), var(--font-body-zh);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle radial glow at top */
body::after {
  content: "";
  position: fixed;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 100vw; height: 600px;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 240, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

@media (min-width: 768px) {
  .container { padding-left: var(--space-8); padding-right: var(--space-8); }
}

@media (min-width: 1024px) {
  .container { padding-left: var(--space-12); padding-right: var(--space-12); }
}

/* ================================================
   GLASS PANEL
   ================================================ */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border-subtle);
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ================================================
   FLOW BORDER
   ================================================ */
.flow-border {
  position: relative;
  background: var(--bg-surface);
  border-radius: 16px;
  overflow: hidden;
}

.flow-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 18px;
  padding: 2px;
  background: var(--gradient-flow);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: rotate 4s linear infinite;
  opacity: 0.6;
}

@keyframes rotate {
  to { transform: rotate(360deg); }
}

/* ================================================
   NEON GLOW
   ================================================ */
.glow-cyan {
  box-shadow:
    0 0 20px rgba(0, 240, 255, 0.3),
    0 0 60px rgba(0, 240, 255, 0.1);
}

.glow-gold {
  box-shadow:
    0 0 20px rgba(255, 215, 0, 0.25),
    0 0 50px rgba(255, 215, 0, 0.08);
}

/* ================================================
   AURORA BACKGROUND
   ================================================ */
.aurora-bg {
  position: relative;
}
.aurora-bg::before {
  content: '';
  position: absolute;
  top: -100px; left: 0; right: 0;
  height: 400px;
  background: var(--gradient-aurora);
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.6;
  z-index: 0;
}

/* ================================================
   HEADER & NAV
   ================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  max-width: 440px;
  min-width: 0;
}

.brand-logo {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-mark {
  overflow: hidden;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-display-zh);
}

.brand-subtitle {
  overflow: hidden;
  color: var(--text-secondary);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
  font-family: var(--font-display);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-width: 48px;
  min-height: 48px;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  background: rgba(0, 240, 255, 0.08);
  color: var(--primary);
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: 48px;
  color: var(--text-secondary);
  font-size: 0.94rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.18s var(--ease-out-expo), transform 0.18s var(--ease-out-expo);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s var(--ease-out-expo);
  box-shadow: 0 0 8px var(--primary);
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"] {
  color: var(--primary);
  transform: translateY(-1px);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a[aria-current="page"]::after {
  width: 100%;
}

.nav-cta {
  justify-content: center;
  padding: 0 22px;
  border-radius: 8px;
  color: var(--text-inverse) !important;
  font-weight: 600;
  background: var(--primary);
  box-shadow: var(--shadow-glow-cyan);
  letter-spacing: 0.04em;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  background: var(--primary) !important;
  box-shadow: 0 0 30px var(--primary-dim);
  transform: translateY(-1px) !important;
}

/* 双语导航：桌面端显示英文小标题 + 中文主文，编号/底部联系区隐藏 */
.nav-index { display: none; }
.nav-overlay-footer { display: none; }

.nav-en {
  display: block;
  font-size: 0.48rem;
  letter-spacing: 0.2em;
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 2px;
  transition: color 0.18s var(--ease-out-expo);
}

.nav-links a:hover .nav-en,
.nav-links a:focus-visible .nav-en,
.nav-links a[aria-current="page"] .nav-en { color: var(--primary); }

.nav-cta .nav-en { display: none; }
.nav-cta { flex-direction: row; align-items: center; }

/* 汉堡按钮：纯 CSS 线条，开启时 morph 成 X */
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  display: block;
  width: 18px;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.25s var(--ease-out-expo), opacity 0.2s linear;
}
.nav-toggle-bars { position: relative; }
.nav-toggle-bars::before { position: absolute; left: 0; top: -6px; }
.nav-toggle-bars::after  { position: absolute; left: 0; top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after  { transform: translateY(-6px) rotate(-45deg); }

/* ================================================
   HERO
   ================================================ */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  overflow: hidden;
  color: var(--text-primary);
  background: var(--bg-void);
  display: flex;
  align-items: flex-end;
}

/* Particle canvas sits behind hero content */
.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* Static hero backgrounds with overlay */
.hero-home {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 240, 255, 0.08) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-void) 0%, var(--bg-base) 100%);
}

.hero-about {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-void) 0%, var(--bg-base) 100%);
}

.hero-parks {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 240, 255, 0.08) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-void) 0%, var(--bg-base) 100%);
}

.hero-services {
  background: var(--bg-void);
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: hero-slide 15s infinite;
}

.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(2,4,10,0.7), rgba(2,4,10,0.92));
}

.hero-slide:nth-child(1) { animation-delay: 0s; }
.hero-slide:nth-child(2) { animation-delay: 5s; }
.hero-slide:nth-child(3) { animation-delay: 10s; }

@keyframes hero-slide {
  0%, 5%   { opacity: 0; }
  8%, 30%  { opacity: 1; }
  35%, 100% { opacity: 0; }
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 32%;
  background: linear-gradient(180deg, transparent, var(--bg-base));
  pointer-events: none;
  z-index: 0;
}

.hero-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.62fr);
  gap: 58px;
  align-items: end;
  min-height: calc(100svh - var(--header-height));
  padding: 104px 0 64px;
}

.hero-shell > *, .section-head > *, .grid-two > *, .grid-three > *,
.grid-four > *, .card-grid > *, .step-grid > *, .contact-layout > * { min-width: 0; }

/* Kicker labels */
.kicker, .section-kicker, .card-kicker, .route-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.70rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-transform: uppercase;
  font-family: var(--font-display);
}

.kicker {
  color: var(--primary);
  border: 1px solid var(--border-glow);
  background: rgba(0, 240, 255, 0.08);
  backdrop-filter: blur(14px);
}

/* Headings */
.hero h1, .section-title, .statement, .contact-brief h2 {
  font-family: var(--font-display), var(--font-display-zh);
}

/* ── Hero entry animation ── */
@keyframes hero-entry {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-shell .kicker           { animation: hero-entry 1s var(--ease-out-expo) both 0.05s; }
.hero h1                      { animation: hero-entry 1s var(--ease-out-expo) both 0.2s; }
.hero-lead                    { animation: hero-entry 1s var(--ease-out-expo) both 0.38s; }
.hero-nodes                   { animation: hero-entry 1s var(--ease-out-expo) both 0.52s; }
.hero-actions                 { animation: hero-entry 1s var(--ease-out-expo) both 0.62s; }
.hero .brief-card             { animation: hero-entry 1s var(--ease-out-expo) both 0.3s; }

.hero h1 {
  max-width: 10em;
  margin-top: 22px;
  font-size: clamp(3rem, 5.4vw, 4.8rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-wrap: balance;
  text-shadow: 0 20px 54px rgba(0, 0, 0, 0.32);
}

.hero-lead {
  max-width: 46rem;
  margin-top: 26px;
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  line-height: 1.75;
}

.hero-actions, .button-row, .contact-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-actions, .contact-actions { margin-top: 32px; }

/* Global nodes pills in hero */
.hero-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.hero-nodes span {
  padding: 5px 14px;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  font-size: 0.82rem;
  background: rgba(0, 240, 255, 0.06);
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
  transition: all 0.3s var(--ease-out-expo);
}

.hero-nodes span:hover {
  border-color: var(--border-glow);
  color: var(--primary);
  background: rgba(0, 240, 255, 0.1);
}

/* ── Buttons ── */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  transition: transform 0.3s var(--ease-out-expo), background 0.3s var(--ease-out-expo), box-shadow 0.3s var(--ease-out-expo);
}

.button:hover, .button:focus-visible { transform: translateY(-2px); }

.button-primary {
  color: var(--text-inverse);
  background: var(--primary);
  box-shadow: var(--shadow-glow-cyan);
}

.button-primary:hover {
  box-shadow: 0 0 30px var(--primary-dim), 0 0 60px rgba(0, 240, 255, 0.1);
}

.hero .button-primary, .theme-dark .button-primary {
  color: var(--text-inverse);
  background: var(--primary);
}

.button-secondary {
  color: var(--primary);
  border: 1px solid var(--border-glow);
  background: transparent;
}

.button-secondary:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow-cyan);
}

.hero .button-secondary, .theme-dark .button-secondary {
  color: var(--primary);
  border-color: var(--border-glow);
  background: rgba(0, 240, 255, 0.06);
  backdrop-filter: blur(12px);
}

/* Brief card (hero right side) */
.brief-card {
  display: grid;
  gap: 20px;
  align-self: stretch;
  align-content: start;
  padding: 28px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: var(--shadow-lg);
}

.brief-card h2 {
  max-width: 14ch;
  font-size: clamp(1.55rem, 2.8vw, 2.5rem);
  line-height: 1.07;
}

.brief-list, .point-list, .check-list { display: grid; gap: 11px; list-style: none; }

.brief-list li, .point-list li, .check-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-secondary);
}

.brief-list li::before, .point-list li::before, .check-list li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--primary);
  opacity: 0.8;
  box-shadow: 0 0 6px var(--primary);
}

.brief-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  font-family: var(--font-display);
}

.brief-link::after { content: "→"; transition: transform 0.2s ease; }
.brief-link:hover::after { transform: translateX(4px); }

/* ================================================
   TRUST BAR
   ================================================ */
.trust-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  border-top: 1px solid var(--border-subtle);
  padding: 40px 0;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 20px;
  background: var(--bg-surface);
  text-align: center;
  gap: 6px;
}

.trust-item strong {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  color: var(--accent-gold);
  line-height: 1;
  letter-spacing: -0.04em;
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
}

.trust-item span {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

/* ================================================
   SECTIONS
   ================================================ */
.section         { padding: var(--space-24) 0; }
.section-compact { padding: var(--space-16) 0; }

.section-muted {
  background: linear-gradient(180deg, rgba(0,240,255,0.02) 0%, transparent 50%), var(--bg-base);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.theme-dark {
  color: var(--text-primary);
  background: linear-gradient(140deg, var(--bg-void), var(--bg-surface) 60%, #080d18);
  position: relative;
}

.theme-dark::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 300px;
  background: var(--gradient-aurora);
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.4;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(280px, 0.68fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 44px;
  position: relative;
  z-index: 1;
}

.section-kicker, .card-kicker, .route-label {
  color: var(--primary);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-glow);
}

.theme-dark .section-kicker {
  color: var(--primary);
  border: 1px solid var(--border-glow);
  background: rgba(0, 240, 255, 0.08);
}

.section-title {
  max-width: 14ch;
  margin-top: 18px;
  font-size: clamp(2.4rem, 4.6vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.section-copy {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
}

.theme-dark .section-copy { color: var(--text-secondary); }

.statement {
  max-width: 900px;
  margin: 0 auto;
  font-size: clamp(2.4rem, 4.8vw, 5rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  text-align: center;
  text-wrap: balance;
}

.statement span { color: var(--accent-gold); text-shadow: 0 0 30px rgba(255, 215, 0, 0.2); }

/* ── Grids ── */
.grid-two   { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.grid-three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.grid-four  { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.card-grid  { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }

/* ── Cards ── */
.card, .proof-card, .feature-card, .step-card, .ledger-card,
.faq-item, .contact-brief, .contact-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  box-shadow: var(--shadow-md);
  transition: transform 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-expo);
}

.card:hover, .proof-card:hover, .feature-card:hover, .step-card:hover, .ledger-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
  border-color: var(--border-glow);
}

.proof-card, .feature-card, .step-card, .ledger-card,
.faq-item, .contact-brief, .contact-panel { padding: 32px; }

.card { padding: 28px; }

.proof-card h3, .feature-card h3, .step-card h3, .ledger-card h3 {
  font-size: 1.28rem;
  line-height: 1.2;
  color: var(--text-primary);
}

.proof-card p, .feature-card p, .step-card p, .ledger-card p {
  color: var(--text-secondary);
  margin-top: 10px;
}

/* ================================================
   BADGES
   ================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.badge-status {
  background: rgba(57, 255, 20, 0.1);
  color: var(--success);
  border: 1px solid rgba(57, 255, 20, 0.2);
}

.badge-warning {
  background: rgba(255, 184, 0, 0.1);
  color: var(--warning);
  border: 1px solid rgba(255, 184, 0, 0.2);
}

/* ================================================
   MISSION / VISION GRID
   ================================================ */
.mv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}

.mv-card {
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: rgba(255,255,255,0.03);
  transition: all 0.4s var(--ease-out-expo);
}

.mv-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-4px);
}

.mv-card .mv-en {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
  font-family: var(--font-display);
}

.mv-card h4 {
  font-family: var(--font-display), var(--font-display-zh);
  font-size: 1.6rem;
  line-height: 1.1;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.mv-card p {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.mv-card.featured {
  background: linear-gradient(135deg, rgba(0,240,255,0.08), rgba(99,102,241,0.06));
  border-color: rgba(0, 240, 255, 0.2);
  grid-column: 1 / -1;
}

.mv-card.featured h4 { font-size: 1.18rem; }

/* ================================================
   NETWORK MAP (5-node layout)
   ================================================ */
.network-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  padding: 40px 0;
  z-index: 1;
}

.network-center {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow:
    0 0 0 12px rgba(0, 240, 255, 0.1),
    0 0 0 24px rgba(0, 240, 255, 0.05),
    0 0 40px rgba(0, 240, 255, 0.2);
  flex-shrink: 0;
  color: var(--text-inverse);
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
}

.network-center::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px dashed rgba(255,255,255,0.4);
  border-radius: 50%;
  animation: spin-slow 24s linear infinite;
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.network-center strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.network-center small {
  font-size: 0.72rem;
  opacity: 0.85;
  margin-top: 4px;
}

.network-nodes-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: center;
}

.network-node {
  width: 150px;
  padding: 20px 16px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-subtle);
  text-align: center;
  border-top: 3px solid var(--primary);
  transition: all 0.4s var(--ease-out-expo);
}

.network-node:hover {
  transform: translateY(-4px) scale(1.05);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow-cyan);
}

.network-node h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.network-node p {
  font-size: 0.76rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Pulse animation for active nodes */
@keyframes node-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 240, 255, 0.3); }
  50% { transform: scale(1.15); box-shadow: 0 0 20px 10px rgba(0, 240, 255, 0); }
}

/* ================================================
   6-SERVICE PREVIEW GRID (home page)
   ================================================ */
.service-six-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-hex-card {
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  box-shadow: var(--shadow-md);
  transition: transform 0.4s var(--ease-out-expo), box-shadow 0.4s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.service-hex-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
  border-color: var(--border-glow);
}

.service-hex-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-soft);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out-expo);
}

.service-hex-card:hover::before {
  opacity: 1;
}

.service-hex-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(0, 240, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 16px;
  border: 1px solid var(--border-subtle);
  transition: all 0.3s var(--ease-out-expo);
}

.service-hex-card:hover .service-hex-icon {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow-cyan);
}

.service-hex-card h3 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  font-family: var(--font-display), var(--font-body-zh);
}

.service-hex-card ul {
  list-style: none;
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}

.service-hex-card li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.service-hex-card li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 4px var(--primary);
}

.service-hex-link {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--primary);
  font-family: var(--font-display);
}

.service-hex-link::after { content: " →"; transition: transform 0.2s ease; display: inline-block; }
.service-hex-link:hover::after { transform: translateX(4px); }


/* ================================================
   SERVICE DETAIL CARDS (services.html)
   ================================================ */
.service-block {
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
  gap: 64px;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.service-block:last-child { border-bottom: 0; }

.service-block.reverse { direction: rtl; }
.service-block.reverse > * { direction: ltr; }

.service-block-num {
  font-family: var(--font-mono);
  font-size: 5rem;
  color: var(--primary);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.04em;
}

.service-block h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 16px;
  font-family: var(--font-display), var(--font-display-zh);
}

.service-block p { color: var(--text-secondary); margin-bottom: 20px; }

.service-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-tag {
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(0, 240, 255, 0.08);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--border-glow);
}

/* Compliance grid */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.compliance-item {
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border-left: 3px solid var(--primary);
  text-align: center;
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--primary);
  transition: all 0.4s var(--ease-out-expo);
}

.compliance-item:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow-cyan);
}

.compliance-item h4 {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.compliance-item span {
  font-size: 0.80rem;
  color: var(--primary);
  font-weight: 600;
}

/* Exhibition flow (5 steps) */
.flow-steps {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  gap: 12px;
  margin-top: 48px;
}

.flow-steps::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 8%;
  right: 8%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary) 0%, rgba(0,240,255,0.1) 100%);
}

.flow-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 2;
}

.flow-step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-inverse);
  font-weight: 700;
  font-size: 1rem;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.flow-step h4 {
  font-size: 0.94rem;
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 6px;
}

.flow-step p { font-size: 0.80rem; color: var(--text-secondary); }

/* Data platform section */
.data-platform-section {
  background: linear-gradient(140deg, var(--bg-void), var(--bg-surface));
  color: var(--text-primary);
  position: relative;
}

.data-platform-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 300px;
  background: var(--gradient-aurora);
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.3;
}

.flow-horizontal {
  display: flex;
  gap: 0;
  margin: 40px 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.flow-box {
  flex: 1;
  padding: 28px 20px;
  text-align: center;
  background: rgba(255,255,255,0.03);
  border-right: 1px solid var(--border-subtle);
  position: relative;
}

.flow-box:last-child { border-right: 0; background: rgba(0, 240, 255, 0.06); }

.flow-box::after {
  content: "→";
  position: absolute;
  right: -14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 1.1rem;
  z-index: 1;
  text-shadow: 0 0 10px var(--primary);
}

.flow-box:last-child::after { display: none; }

.flow-box h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; color: var(--text-primary); }
.flow-box p  { font-size: 0.84rem; color: var(--text-secondary); }

/* Demand wall */
.demand-wall {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.demand-card {
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-subtle);
  transition: all 0.4s var(--ease-out-expo);
}

.demand-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.demand-tag {
  display: inline-block;
  padding: 3px 12px;
  background: var(--primary);
  color: var(--text-inverse);
  border-radius: 4px;
  font-size: 0.76rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.demand-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.demand-meta  { font-size: 0.84rem; color: var(--text-secondary); margin-bottom: 4px; }
.demand-date  { font-size: 0.80rem; color: var(--primary); font-weight: 600; }

/* Client support */
.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.support-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  border-top: 3px solid var(--primary);
  transition: all 0.4s var(--ease-out-expo);
}

.support-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.support-card h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.support-card p { color: var(--text-secondary); font-size: 0.94rem; }

/* Positioning cards */
.position-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.pos-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: all 0.4s var(--ease-out-expo);
}

.pos-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.pos-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(0, 240, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid var(--border-subtle);
}

.pos-text h4 {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pos-text p { font-size: 0.90rem; color: var(--text-secondary); }

/* Cooperation value */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.value-card {
  padding: 32px 24px;
  text-align: center;
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  transition: all 0.4s var(--ease-out-expo);
}

.value-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.value-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 18px;
  border: 1px solid var(--border-subtle);
  transition: all 0.3s var(--ease-out-expo);
}

.value-card:hover .value-icon {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow-cyan);
}

.value-card h3 { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.value-card p  { font-size: 0.88rem; color: var(--text-secondary); }

/* Service intro 7-keyword strip */
.keyword-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  padding: 22px 28px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.keyword-strip span {
  padding: 5px 16px;
  border-radius: 999px;
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.3s var(--ease-out-expo);
}

.keyword-strip span:hover {
  border-color: var(--border-glow);
  color: var(--primary);
  background: rgba(0, 240, 255, 0.1);
}

/* Pain points */
.pain-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }

.pain-card {
  padding: 32px;
  background: rgba(255,255,255,0.03);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  border-left: 4px solid var(--primary);
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.pain-card h3 { font-size: 1.02rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.pain-card p  { font-size: 0.90rem; color: var(--text-secondary); line-height: 1.7; }

.solution-banner {
  margin-top: 36px;
  padding: 28px;
  background: var(--bg-surface);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  font-size: 1.12rem;
  font-weight: 600;
  text-align: center;
  border: 1px solid var(--border-subtle);
}

.solution-banner strong { color: var(--accent-gold); text-shadow: 0 0 20px rgba(255, 215, 0, 0.2); }

/* ================================================
   ABOUT PAGE COMPONENTS
   ================================================ */
.about-intro-wrap { max-width: 820px; }
.about-intro-text p { color: var(--text-secondary); font-size: 1.02rem; line-height: 1.85; margin-bottom: 20px; }
.about-intro-text p:last-child { margin-bottom: 0; }

/* Positioning grid (about page 4-quad) */
.pos-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.pos-grid .pos-card { flex-direction: column; align-items: flex-start; gap: 12px; }
.pos-grid .pos-card h3 { font-size: 1.06rem; font-weight: 700; color: var(--text-primary); margin: 0; }
.pos-grid .pos-card p  { font-size: 0.90rem; color: var(--text-secondary); line-height: 1.7; margin: 0; }

/* Trend cards (out海新模式 dark section) */
.trend-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; position: relative; z-index: 1; }
.trend-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  transition: all 0.4s var(--ease-out-expo);
}

.trend-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow-cyan);
  transform: translateY(-4px);
}

.trend-num {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--primary);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  letter-spacing: -0.04em;
}
.trend-card h3 { font-size: 1.08rem; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }
.trend-card p  { font-size: 0.90rem; color: var(--text-secondary); line-height: 1.75; }

/* Compliance cards (about page 6-item) */
.compliance-grid.card-style { grid-template-columns: repeat(3, 1fr); gap: 20px; }
.compliance-card {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  transition: all 0.4s var(--ease-out-expo);
}

.compliance-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.compliance-icon { font-size: 2rem; margin-bottom: 14px; display: block; }
.compliance-card h3 { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.compliance-card p  { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

/* ================================================
   SERVICES PAGE COMPONENTS
   ================================================ */
.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.service-detail-card {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  transition: all 0.4s var(--ease-out-expo);
}

.service-detail-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.service-detail-card.dark {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  box-shadow: none;
}

.service-detail-card.dark h3 { color: var(--text-primary); }
.service-detail-card.dark p  { color: var(--text-secondary); }

.service-detail-icon { font-size: 2rem; margin-bottom: 14px; display: block; }

/* ── Lucide 内联图标 ── */
.service-hex-icon, .pos-icon, .value-icon, .contact-info-icon,
.compliance-icon, .service-detail-icon, .support-icon { color: var(--primary); }
.service-hex-icon svg { width: 26px; height: 26px; }
.pos-icon svg { width: 24px; height: 24px; }
.value-icon svg { width: 26px; height: 26px; }
.contact-info-icon svg { width: 18px; height: 18px; }
.compliance-icon svg,
.service-detail-icon svg,
.support-icon svg { width: 30px; height: 30px; display: block; }
.support-icon { margin-bottom: 14px; }

.service-detail-card h3 { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.service-detail-card p  { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; }

.service-cta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  padding: 22px 28px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.service-cta-bar p { font-size: 1rem; color: var(--text-secondary); margin: 0; }

/* Demand card footer */
.demand-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 10px;
}

.demand-amount { font-size: 0.84rem; color: var(--text-secondary); }
.demand-link   { font-size: 0.84rem; font-weight: 700; color: var(--primary); text-decoration: none; font-family: var(--font-display); }
.demand-link:hover { text-decoration: underline; }

/* 6-item service overview nav (trust-bar override) */
.service-nav-strip .trust-strip { grid-template-columns: repeat(6, 1fr); }

/* ================================================
   PARKS: NODE DETAIL
   ================================================ */
.node-detail { margin-bottom: 80px; }

.node-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--primary);
}

.node-header h2 {
  font-family: var(--font-display), var(--font-display-zh);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--text-primary);
}

.node-tag {
  padding: 5px 16px;
  border-radius: 999px;
  background: var(--primary);
  color: var(--text-inverse);
  font-size: 0.80rem;
  font-weight: 700;
  flex-shrink: 0;
}

.node-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.node-info h3 {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-display);
}

.node-info ul { list-style: none; margin-bottom: 24px; }

.node-info li {
  padding: 8px 0 8px 22px;
  position: relative;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.node-info li:last-child { border-bottom: 0; }

.node-info li::before {
  content: "●";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-size: 0.7rem;
  top: 0.95em;
  text-shadow: 0 0 6px var(--primary);
}

.node-address {
  padding: 18px 20px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--primary);
  font-size: 0.88rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--primary);
}

.node-address strong {
  display: block;
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 4px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-display);
}

/* ── Node Photo Gallery (2×2 grid) ── */
.node-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.node-gallery img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.35s ease, opacity 0.2s ease;
  display: block;
}

.node-gallery img:hover { transform: scale(1.06); opacity: 0.9; }

/* ================================================
   EVENTS PAGE
   ================================================ */
.events-timeline { display: flex; flex-direction: column; gap: 60px; margin-top: 48px; }

.event-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--primary);
}

.event-header h3 {
  font-family: var(--font-display), var(--font-display-zh);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  color: var(--text-primary);
}

.event-desc { color: var(--text-secondary); margin-bottom: 20px; line-height: 1.7; }

/* Event photo grid with lightbox */
.event-photos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.event-photo {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.25s ease, opacity 0.2s ease;
  display: block;
}

.event-photo:hover { transform: scale(1.04); opacity: 0.88; }

.event-photo.hidden { display: none; }

.view-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--border-glow);
  color: var(--primary);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  background: transparent;
  transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
  font-family: var(--font-display);
}

.view-more-btn:hover { background: var(--primary); color: var(--text-inverse); box-shadow: var(--shadow-glow-cyan); }

/* ================================================
   LIGHTBOX
   ================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(2, 4, 10, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
  padding: 16px;
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  max-height: 100%;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 86vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 40px 100px rgba(0,0,0,0.5);
  display: block;
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  transition: background 0.18s ease;
  z-index: calc(var(--z-modal) + 1);
}

.lightbox-close:hover { background: rgba(255,255,255,0.16); }

.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  z-index: calc(var(--z-modal) + 1);
  transition: background 0.18s ease;
}

.lightbox-nav:hover { background: rgba(255,255,255,0.12); }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }

.lightbox-counter {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-secondary);
  font-size: 0.84rem;
  z-index: calc(var(--z-modal) + 1);
}

/* ================================================
   CONTACT SECTION
   ================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(340px, 0.72fr);
  gap: 24px;
  align-items: stretch;
}

.contact-brief {
  color: var(--text-primary);
  background: linear-gradient(145deg, var(--bg-void), var(--bg-surface));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.contact-brief::before {
  content: '';
  position: absolute;
  top: -50px; left: 0; right: 0; height: 200px;
  background: var(--gradient-aurora);
  filter: blur(60px);
  pointer-events: none;
  opacity: 0.4;
}

.contact-brief h2 {
  max-width: 14ch;
  margin-top: 18px;
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  line-height: 1.06;
  position: relative;
  z-index: 1;
}

.contact-brief .section-kicker {
  color: var(--primary);
  border: 1px solid var(--border-glow);
  background: rgba(0, 240, 255, 0.08);
  position: relative;
  z-index: 1;
}

.contact-copy {
  max-width: 40rem;
  margin-top: 22px;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}

.contact-info-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
  position: relative;
  z-index: 1;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.contact-info-item:first-child { border-top: 0; padding-top: 0; }

.contact-info-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(0, 240, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  border: 1px solid var(--border-subtle);
}

.contact-info-item dt {
  font-size: 0.70rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 2px;
  font-family: var(--font-display);
}

.contact-info-item dd {
  font-size: 0.94rem;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

/* Contact form panel */
.contact-form-panel {
  padding: 36px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  box-shadow: var(--shadow-lg);
}

.contact-form-panel h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  font-family: var(--font-display), var(--font-display-zh);
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-family: var(--font-display);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.94rem;
  background: var(--bg-base);
  color: var(--text-primary);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--border-glow);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.1);
  background: var(--bg-surface);
}

.form-group textarea { min-height: 110px; resize: vertical; }

.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
  font-family: var(--font-body-en), var(--font-body-zh);
}

.checkbox-group input { width: auto; }

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: var(--text-inverse);
  border: 0;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-glow-cyan);
}

.form-submit:hover {
  background: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 0 30px var(--primary-dim);
}

.form-note {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  text-align: center;
}

/* WeChat QR in contact */
.wechat-frame {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  background: rgba(0, 240, 255, 0.04);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-top: 20px;
  position: relative;
  z-index: 1;
}

.wechat-frame img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  border-radius: 10px;
  background: white;
  padding: 4px;
}

.wechat-frame small {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  display: block;
  margin-top: 4px;
}

/* ================================================
   FOOTER
   ================================================ */
.site-footer {
  background: var(--bg-void);
  color: var(--text-secondary);
  padding: 56px 0 28px;
  margin-top: 0;
  border-top: 1px solid var(--border-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 44px;
}

.footer-brand h3 {
  color: var(--text-primary);
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 14px;
  font-family: var(--font-display), var(--font-display-zh);
}

.footer-brand p {
  font-size: 0.86rem;
  line-height: 1.8;
  margin-bottom: 10px;
}

.footer-section h4 {
  color: var(--text-primary);
  font-size: 0.86rem;
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-display);
}

.footer-section ul { list-style: none; }

.footer-section li {
  margin-bottom: 10px;
  font-size: 0.84rem;
}

.footer-section a:hover { color: var(--primary); }

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

/* ================================================
   MOBILE CTA (floating)
   ================================================ */
.mobile-cta { display: none; }

body.is-hero-visible .mobile-cta,
body:not(.has-mobile-cta) .mobile-cta {
  pointer-events: none;
  opacity: 0;
  transform: translateY(12px);
}

/* ================================================
   FAQ
   ================================================ */
.faq-list { display: grid; gap: 12px; }

.faq-item { box-shadow: none; }

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after { content: "+"; float: right; color: var(--primary); }
.faq-item[open] summary::after { content: "−"; }

.faq-item p { margin-top: 14px; color: var(--text-secondary); }

/* ================================================
   STEP CARDS
   ================================================ */
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  counter-reset: step;
}

.step-card { min-height: 240px; }

.step-card::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  margin-bottom: 28px;
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 2.8rem;
  line-height: 0.85;
  opacity: 0.5;
  letter-spacing: -0.04em;
}

/* ================================================
   RESPONSIVE: 1120px
   ================================================ */
@media (max-width: 1120px) {
  .hero-shell, .section-head, .contact-layout { grid-template-columns: 1fr; }
  .grid-three, .card-grid, .step-grid, .service-six-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-four, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .compliance-grid.card-style { grid-template-columns: repeat(2, 1fr); }
  .service-detail-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-strip { grid-template-columns: repeat(4, 1fr); }
  .flow-steps { flex-wrap: wrap; justify-content: center; gap: 24px; }
  .flow-steps::before { display: none; }
  .flow-step { width: 160px; flex: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .service-block { grid-template-columns: 1fr; gap: 36px; }
  .service-block.reverse { direction: ltr; }
  .node-content { grid-template-columns: 1fr; }
  .network-wrap { gap: 20px; }
}

/* ================================================
   RESPONSIVE: 980px
   ================================================ */
@media (max-width: 980px) {
  :root { --header-height: 72px; }

  .container { padding-left: var(--space-4); padding-right: var(--space-4); }

  .header-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; }
  .brand { max-width: none; position: relative; z-index: calc(var(--z-drawer) + 1); }

  .nav-toggle {
    display: inline-flex;
    justify-self: end;
    position: relative;
    z-index: calc(var(--z-drawer) + 1);
  }

  /* ── 全屏目录式导航 ── */
  .nav-links {
    position: fixed;
    inset: 0;
    z-index: var(--z-drawer);
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: calc(var(--header-height) + 28px) var(--space-6) calc(32px + env(safe-area-inset-bottom));
    overflow-y: auto;
    background-color: var(--bg-void);
    background-image: radial-gradient(circle at 1px 1px, var(--border-subtle) 1px, transparent 0);
    background-size: 40px 40px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--ease-out-expo), visibility 0s linear 0.3s;
  }
  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s var(--ease-out-expo);
  }

  /* 导航打开时移除头部毛玻璃：避免 backdrop-filter 限制 fixed overlay 的定位基准 */
  body.nav-open .site-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--bg-void);
  }

  /* 主菜单项：编号 / 英文 / 中文三层 */
  .nav-links a:not(.nav-cta):not(.nav-footer-cta) {
    display: block;
    position: relative;
    width: 100%;
    min-height: 0;
    padding: 18px 0 18px 18px;
    border-bottom: 1px solid var(--border-subtle);
    background: none;
    border-radius: 0;
    color: var(--text-secondary);
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.4s var(--ease-out-expo), transform 0.4s var(--ease-out-expo);
  }
  .nav-links.open a:not(.nav-cta):not(.nav-footer-cta) { opacity: 1; transform: translateY(0); }
  .nav-links.open a:nth-child(1) { transition-delay: 0.08s; }
  .nav-links.open a:nth-child(2) { transition-delay: 0.135s; }
  .nav-links.open a:nth-child(3) { transition-delay: 0.19s; }
  .nav-links.open a:nth-child(4) { transition-delay: 0.245s; }
  .nav-links.open a:nth-child(5) { transition-delay: 0.30s; }

  .nav-index {
    display: inline;
    margin-right: 10px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
  }
  .nav-en {
    display: inline;
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-secondary);
  }
  .nav-zh {
    display: block;
    margin-top: 6px;
    font-family: var(--font-display-zh);
    font-size: 1.9rem;
    line-height: 1.15;
    letter-spacing: 0;
    color: var(--text-primary);
    transition: transform 0.18s var(--ease-out-expo);
  }
  .nav-links a[aria-current="page"] .nav-index,
  .nav-links a[aria-current="page"] .nav-zh { color: var(--primary); }
  .nav-links a[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 58%;
    border-radius: 2px;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
  }
  .nav-links a:active .nav-zh { transform: translateX(6px); }
  .nav-links a::after { display: none; }

  /* 桌面 CTA 在移动端隐藏，由底部联系区代替 */
  .nav-links .nav-cta { display: none; }

  /* 底部联系区 */
  .nav-overlay-footer {
    display: block;
    margin-top: auto;
    padding-top: 28px;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.4s var(--ease-out-expo), transform 0.4s var(--ease-out-expo);
  }
  .nav-links.open .nav-overlay-footer {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.355s;
  }
  .nav-footer-label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-tertiary);
  }
  .nav-footer-info {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px 14px;
    margin-top: 12px;
  }
  .nav-footer-name { color: var(--text-secondary); font-size: 0.95rem; }
  .nav-footer-phone {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    color: var(--text-primary);
  }
  .nav-footer-cta {
    display: flex;
    width: 100%;
    margin-top: 18px;
  }

  .hero, .hero-shell { min-height: auto; }
  .hero { background-position: center top; }
  .hero-shell { gap: 28px; padding: 56px 0 72px; }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(2.1rem, 8vw, 3.4rem);
    line-height: 1.15;
    overflow-wrap: break-word;
  }

  .hero-lead { font-size: 0.96rem; max-width: 100%; }

  .section, .section-compact { padding: 88px 0; }
  .section-head { gap: 20px; margin-bottom: 28px; }
  .section-title, .statement { font-size: clamp(2rem, 9vw, 3.5rem); line-height: 1.1; }

  .grid-two, .grid-three, .grid-four, .card-grid, .service-six-grid,
  .service-detail-grid, .position-grid, .pos-grid, .support-grid, .mv-grid,
  .value-grid, .demand-wall, .compliance-grid, .trend-grid, .step-grid,
  .pain-cards, .trust-strip {
    grid-template-columns: 1fr;
  }

  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .compliance-grid.card-style { grid-template-columns: repeat(2, 1fr); }
  .service-nav-strip .trust-strip { grid-template-columns: repeat(3, 1fr); }

  .hero-actions, .button-row, .contact-actions { flex-direction: column; }
  .button { width: 100%; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .event-photos { grid-template-columns: repeat(2, 1fr); }

  .network-wrap { flex-direction: column; gap: 24px; }
  .network-nodes-row { justify-content: center; }
  .network-center { width: 150px; height: 150px; }

  .flow-horizontal { flex-direction: column; }
  .flow-box::after { display: none; }
  .flow-box { border-right: 0; border-bottom: 1px solid var(--border-subtle); }
  .flow-box:last-child { border-bottom: 0; }

  .brief-card, .proof-card, .feature-card, .step-card { padding: 24px; }
  .contact-brief, .contact-form-panel { padding: 26px; }

  .node-gallery img { height: 160px; }
  .node-header { flex-direction: column; align-items: flex-start; gap: 10px; }
}

/* ================================================
   RESPONSIVE: 640px
   ================================================ */
@media (max-width: 640px) {
  body { padding-bottom: calc(80px + env(safe-area-inset-bottom)); }

  .mobile-cta {
    position: fixed;
    left: 14px; right: 14px;
    bottom: calc(14px + env(safe-area-inset-bottom));
    z-index: var(--z-sticky);
    display: none;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 0 18px;
    border-radius: 999px;
    color: var(--text-inverse);
    font-weight: 700;
    background: var(--primary);
    box-shadow: var(--shadow-glow-cyan);
    transition: opacity 0.18s ease, transform 0.18s ease;
    font-family: var(--font-display);
  }

  body.has-mobile-cta .mobile-cta { display: inline-flex; }

  .section, .section-compact { padding: 68px 0; }
  .event-photos { grid-template-columns: repeat(2, 1fr); }
  .node-gallery { grid-template-columns: repeat(2, 1fr); }
  .node-gallery img { height: 140px; }
  .step-grid { grid-template-columns: 1fr; }
  .flow-steps { flex-direction: column; align-items: center; }
  .service-nav-strip .trust-strip { grid-template-columns: repeat(2, 1fr); }

  /* Compliance cards: elegant horizontal snap scroll on phones */
  .compliance-grid-wrap { position: relative; }
  .compliance-grid-wrap::after {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 20px;
    width: 48px;
    background: linear-gradient(to right, transparent, var(--bg-base));
    pointer-events: none;
    z-index: 2;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  }

  .compliance-grid.card-style {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding: 0 16px;
    gap: 14px;
    padding-left: 0;
    padding-right: 32px;
    padding-bottom: 20px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    grid-template-columns: unset;
  }
  .compliance-grid.card-style::-webkit-scrollbar { display: none; }
  .compliance-grid.card-style .compliance-card {
    flex: 0 0 80vw;
    max-width: 320px;
    scroll-snap-align: start;
    min-width: 0;
  }
}

/* ================================================
   RESPONSIVE: 480px
   ================================================ */
@media (max-width: 480px) {
  .header-inner { gap: 10px; }
  .brand-mark { font-size: 0.86rem; }
  .brand-subtitle { font-size: 0.62rem; }
  .hero-shell { padding-top: 40px; }
  .hero h1 { font-size: clamp(2rem, 8.5vw, 2.75rem); }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ================================================
   ACCESSIBILITY
   ================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .button:hover, .button:focus-visible, .nav-links a:hover { transform: none !important; }
}

/* Focus visible */
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ================================================
   SCROLL ANIMATIONS (reveal classes)
   ================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s var(--ease-out-expo), transform 0.9s var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Heading-specific reveal: tighter motion than base .reveal */
.reveal-heading {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.75s var(--ease-out-expo), transform 0.75s var(--ease-out-expo);
}

.reveal-heading.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* Count up animation */
.count-up {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-surface) 25%,
    var(--bg-elevated) 50%,
    var(--bg-surface) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: 8px;
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Text glow for key data */
.text-glow-cyan {
  color: var(--primary);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.text-glow-gold {
  color: var(--accent-gold);
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
}


/* ================================================
   PARK PAGE (park.html) — 园区方案
   ================================================ */
.hero-park {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-void) 0%, var(--bg-base) 100%);
}

.space-map {
  display: grid;
  gap: 20px;
}

.space-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: start;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  transition: all 0.4s var(--ease-out-expo);
}

.space-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.space-card > strong {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
  letter-spacing: -0.02em;
}

.space-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.space-card p {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.7;
}

.space-card .check-list {
  min-width: 220px;
}

/* ================================================
   INVESTOR PAGE (investor.html) — 关于我们
   ================================================ */
.material-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.material-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  transition: all 0.4s var(--ease-out-expo);
}

.material-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.material-label {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(0, 240, 255, 0.08);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: var(--font-display);
}

.material-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.material-card p {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.material-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.qr-frame {
  padding: 24px;
  background: var(--bg-base);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  text-align: center;
  margin-bottom: 24px;
}

.qr-frame img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.contact-list {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.contact-list dt {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 4px;
  font-family: var(--font-display);
}

.contact-list dd {
  font-size: 0.94rem;
  color: var(--text-secondary);
}

.contact-list a {
  color: var(--primary);
  transition: color 0.2s ease;
}

.contact-list a:hover {
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.3);
}

.contact-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

/* Footer variants for park/investor */
.footer-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  font-family: var(--font-display), var(--font-display-zh);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.86rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-copy {
  margin-top: 20px;
  text-align: center;
}

/* ================================================
   RESPONSIVE: PARK / INVESTOR COMPONENTS
   ================================================ */
@media (max-width: 1120px) {
  .space-card { grid-template-columns: 1fr; }
  .material-grid { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .space-card { grid-template-columns: 1fr; }
  .space-card > strong { font-size: 1.2rem; }
  .space-card .check-list { min-width: auto; }
}

/* ================================================
   CONTACT FORM STATES
   ================================================ */
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; }

.form-result {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  line-height: 1.55;
  display: none;
}
.form-result:not(:empty) { display: block; }
.form-result--ok  {
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid var(--border-glow);
  color: var(--primary);
}
.form-result--err {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}