/* ============================================
   GOA CONSULTING — Official Website
   Theme: Dark + Gold (Gaming Industry)
   ============================================ */

/* --- CSS Variables --- */
:root {
  /* Core palette */
  --bg-primary: #08090c;
  --bg-secondary: #0d0f14;
  --bg-card: #12151d;
  --bg-card-hover: #181c28;
  --bg-elevated: #1a1f2e;

  /* Text */
  --text-primary: #e8eaf0;
  --text-secondary: #9ca3b8;
  --text-muted: #5a6275;

  /* Brand accent — Gold / Light */
  --accent: #e6a817;
  --accent-light: #f5c842;
  --accent-dim: rgba(230, 168, 23, 0.15);
  --accent-glow: rgba(230, 168, 23, 0.3);

  /* Borders & dividers */
  --border: rgba(255,255,255,0.06);
  --border-accent: rgba(230, 168, 23, 0.3);

  /* Typography */
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-zh: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* Spacing */
  --section-pad: 120px;
  --container-max: 1200px;

  /* Transitions */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-zh);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color .25s; }
a:hover { color: var(--accent-light); }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-pad) 0; position: relative; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all .35s var(--ease);
  background: transparent;
}
.nav.scrolled {
  background: rgba(8, 9, 12, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary) !important;
  letter-spacing: 1.5px;
}
.logo-dot { color: var(--accent); }
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary) !important;
  letter-spacing: 0.5px;
  position: relative;
  transition: color .25s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--accent);
  transition: width .3s var(--ease);
}
.nav-links a:hover,
.nav-links a.active { color: var(--text-primary) !important; }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 12px; }

.lang-btn {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all .25s;
  letter-spacing: 0.5px;
}
.lang-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all .3s;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: rgba(8, 9, 12, 0.97);
  backdrop-filter: blur(20px);
  padding: 24px;
  z-index: 999;
  border-bottom: 1px solid var(--border);
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; }
.mobile-menu li { margin: 0; }
.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  color: var(--text-secondary) !important;
  border-bottom: 1px solid var(--border);
  transition: color .25s;
}
.mobile-menu a:hover { color: var(--accent) !important; }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(230, 168, 23, 0.08), transparent),
    radial-gradient(ellipse 60% 50% at 70% 60%, rgba(230, 168, 23, 0.04), transparent),
    linear-gradient(180deg, #08090c 0%, #0d1020 50%, #08090c 100%);
  z-index: 0;
}
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}
.hero-particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 900px;
}
.hero-tag {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp .8s var(--ease) .3s forwards;
}
.hero-title {
  font-family: var(--font-en);
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp .8s var(--ease) .5s forwards;
}
.goa-brand {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 50%, #d4940f 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.consulting-text {
  color: var(--text-primary);
  font-weight: 300;
  letter-spacing: 4px;
  font-size: 0.35em;
  display: block;
  margin-top: 8px;
  text-transform: capitalize;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
  opacity: 0;
  animation: fadeUp .8s var(--ease) .7s forwards;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
  opacity: 0;
  animation: fadeUp .8s var(--ease) .9s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-zh);
  border-radius: 8px;
  cursor: pointer;
  transition: all .3s var(--ease);
  border: none;
  text-decoration: none;
  letter-spacing: 0.5px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #d4940f 100%);
  color: #0a0a0a !important;
  box-shadow: 0 4px 24px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
  color: #0a0a0a !important;
}
.btn-outline {
  background: transparent;
  color: var(--text-primary) !important;
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent) !important;
  transform: translateY(-2px);
}
.btn-full { width: 100%; }

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  animation: fadeUp .8s var(--ease) 1.1s forwards;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
  animation: fadeIn 1s var(--ease) 1.5s both;
}
.scroll-hint span {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  margin: 0 auto;
  animation: bounceDown 2s infinite;
}
@keyframes bounceDown {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.5; }
  50% { transform: rotate(45deg) translateY(6px); opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
}
.section-note {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}
.about-intro {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.about-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.about-desc strong { color: var(--accent); }
.about-highlights { display: flex; flex-direction: column; gap: 20px; }
.highlight-item {
  display: flex;
  gap: 16px;
  align-items: start;
  padding: 20px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: border-color .25s;
}
.highlight-item:hover { border-color: var(--border-accent); }
.highlight-icon {
  font-size: 24px;
  color: var(--accent);
  min-width: 32px;
  text-align: center;
}
.highlight-item strong { display: block; font-size: 15px; margin-bottom: 4px; }
.highlight-item p { font-size: 13px; color: var(--text-muted); }

.info-card {
  padding: 24px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 16px;
  transition: all .25s;
}
.info-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}
.info-card-icon {
  font-size: 28px;
  margin-bottom: 12px;
}
.info-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}
.info-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================
   MISSION & VISION
   ============================================ */
.mission-section {
  background: var(--bg-secondary);
}
.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.mission-card {
  padding: 48px 40px;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: all .3s;
}
.mission-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}
.mission-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.mission-card:hover::before { opacity: 1; }
.mission-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.vision-label { color: #4ecdc4; }
.mission-heading {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
}
.mission-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   VALUES
   ============================================ */
.values-section { background: var(--bg-primary); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.value-card {
  padding: 40px 32px;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
  text-align: center;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.value-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.value-number {
  font-family: var(--font-en);
  font-size: 56px;
  font-weight: 900;
  color: var(--bg-elevated);
  -webkit-text-stroke: 1px var(--border);
  line-height: 1;
  margin-bottom: 16px;
  transition: all .3s;
}
.value-card:hover .value-number {
  color: var(--accent-dim);
  -webkit-text-stroke: 1px var(--accent);
}
.value-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}
.value-subtitle {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 600;
}
.value-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ============================================
   ADVANTAGES
   ============================================ */
.advantages-section { background: var(--bg-secondary); }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.adv-card {
  padding: 40px 32px;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: all .3s;
}
.adv-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}
.adv-icon {
  font-size: 36px;
  margin-bottom: 20px;
}
.adv-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
}
.adv-sub {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}
.adv-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ============================================
   HONORS
   ============================================ */
.honors-section { background: var(--bg-primary); }
.honors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.honor-card {
  padding: 32px 24px;
  background: var(--bg-card);
  border-radius: 14px;
  border: 1px solid var(--border);
  text-align: center;
  transition: all .3s;
}
.honor-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(230,168,23,0.08);
}
.honor-icon {
  font-size: 36px;
  margin-bottom: 16px;
}
.honor-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.honor-card p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================
   SERVICES
   ============================================ */
.services-section { background: var(--bg-primary); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  padding: 36px 28px;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
  text-align: center;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform .3s var(--ease);
}
.service-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
}
.service-card:hover::after { transform: scaleX(1); }
.service-icon {
  font-size: 42px;
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 6px;
}
.service-sub {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.service-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   EXPERTISE (Tabs)
   ============================================ */
.expertise-section { background: var(--bg-secondary); }
.exp-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.exp-tab {
  font-family: var(--font-zh);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 30px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .25s;
}
.exp-tab:hover { border-color: var(--accent); color: var(--text-primary); }
.exp-tab.active {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
  font-weight: 700;
}

.exp-content { display: none; }
.exp-content.active { display: block; animation: fadeIn .4s ease; }
.exp-header {
  text-align: center;
  margin-bottom: 36px;
}
.exp-header h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}
.exp-header p {
  color: var(--text-secondary);
  font-size: 15px;
}
.exp-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.exp-category h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.exp-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.exp-tags span {
  padding: 8px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: all .2s;
}
.exp-tags span:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.region-tags span { font-size: 13px; padding: 6px 16px; }

/* ============================================
   CLIENTS
   ============================================ */
.clients-section { background: var(--bg-primary); }
.clients-grid { max-width: 900px; margin: 0 auto; }
.client-group { margin-bottom: 32px; }
.client-group h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.client-names {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.client-names span {
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all .2s;
}
.client-names span:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
}

/* ============================================
   CASES
   ============================================ */
.cases-section { background: var(--bg-secondary); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  padding: 32px;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: all .3s;
}
.case-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}
.case-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 14px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 20px;
  margin-bottom: 16px;
}
.case-card h4 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 16px;
}
.case-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.case-roles span {
  padding: 5px 14px;
  background: var(--bg-elevated);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

/* ============================================
   PROCESS TIMELINE
   ============================================ */
.process-section { background: var(--bg-primary); }
.process-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.process-step {
  padding: 28px 24px;
  background: var(--bg-card);
  border-radius: 14px;
  border: 1px solid var(--border);
  transition: all .25s;
  position: relative;
}
.process-step:hover {
  border-color: var(--border-accent);
}
.step-number {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 900;
  color: var(--accent-dim);
  -webkit-text-stroke: 1px var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}
.step-content h4 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 6px;
}
.step-content p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-section { background: var(--bg-secondary); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: start;
  padding: 20px;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: border-color .25s;
}
.contact-item:hover { border-color: var(--border-accent); }
.contact-icon {
  font-size: 26px;
  min-width: 36px;
  text-align: center;
}
.contact-item h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}
.contact-value {
  font-size: 15px;
  color: var(--text-primary);
  line-height: 1.5;
}
.contact-value a { color: inherit; }

/* WeChat official account card */
.wechat-card { align-items: center; gap: 20px; }
.wechat-qr {
  min-width: 108px;
  width: 108px;
  height: 108px;
  border-radius: 10px;
  background: #fff;
  padding: 6px;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.wechat-qr img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}
.wechat-info h4 { margin-bottom: 6px; }
.wechat-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 7px;
  letter-spacing: 0.5px;
}
.wechat-tip {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.contact-form-wrap {
  padding: 36px;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid var(--border);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-field { margin-bottom: 16px; }
.form-field.full { margin-bottom: 20px; }
.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-zh);
  font-size: 14px;
  outline: none;
  transition: border-color .25s;
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-field textarea { resize: vertical; min-height: 100px; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 1px;
  display: inline-block;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.footer-links h4,
.footer-contact h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.footer-links a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary) !important;
  margin-bottom: 10px;
  transition: color .25s;
}
.footer-links a:hover { color: var(--accent) !important; }
.footer-contact p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================
   ANIMATIONS (Scroll Reveal)
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: .15s; }
.delay-2 { transition-delay: .3s; }
.delay-3 { transition-delay: .45s; }
.delay-4 { transition-delay: .6s; }
.delay-5 { transition-delay: .75s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  :root { --section-pad: 80px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-side { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .mission-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; gap: 16px; }
  .adv-grid { grid-template-columns: 1fr; gap: 16px; }
  .honors-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 640px) {
  :root { --section-pad: 60px; }
  .hero-title { font-size: 38px; }
  .consulting-text { letter-spacing: 4px; font-size: 0.35em; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
  .section-title { font-size: 26px; }
  .services-grid { grid-template-columns: 1fr; }
  .honors-grid { grid-template-columns: 1fr; }
  .about-side { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .exp-tabs { gap: 6px; }
  .exp-tab { padding: 8px 20px; font-size: 13px; }
  .mission-card { padding: 32px 24px; }
  .mission-heading { font-size: 22px; }
}