/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background-color: #c2410c;
  color: #e5e5e5;
  font-family: "Noto Sans SC", "HarmonyOS Sans", "HarmonyOS Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6 {
  font-family: "Noto Sans SC", "HarmonyOS Sans", "HarmonyOS Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  font-weight: 500;
  line-height: 1.3;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===== Layout ===== */
.container { max-width: 1400px; margin: 0 auto; padding: 0 5vw; }
.text-center { text-align: center; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.inset-0 { top: 0; left: 0; right: 0; bottom: 0; }
.top-0 { top: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.overflow-hidden { overflow: hidden; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-5 { gap: 20px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.shrink-0 { flex-shrink: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }
.rounded { border-radius: 6px; }
.rounded-lg { border-radius: 8px; }
.rounded-xl { border-radius: 12px; }
.rounded-full { border-radius: 9999px; }
.pointer-events-none { pointer-events: none; }
.transition-all { transition: all 0.3s ease; }
.transition-transform { transition: transform 0.7s ease; }
.group:hover .group-hover-scale { transform: scale(1.05); }
.hidden { display: none; }

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: all 0.5s ease;
  background-color: rgba(0,0,0,0);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
  will-change: transform;
}
.navbar.scrolled {
  background-color: rgba(154,52,18,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(245,158,11,0.1);
}
.navbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.navbar-logo img { height: 28px; width: auto; filter: brightness(0) invert(1); }
.navbar-links {
  display: none;
  align-items: center;
  gap: 0;
}
.navbar-link {
  position: relative;
  padding: 16px 20px;
  font-size: 13px;
  font-weight: 500;
  color: #737373;
  transition: color 0.2s;
}
.navbar-link:hover { color: #ffffff; }
.navbar-link.active { color: #ffffff; }
.navbar-link.active::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 20px;
  right: 20px;
  height: 2px;
  border-radius: 9999px;
  background: #f59e0b;
}
.navbar-login {
  display: none;
  padding: 6px 24px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 9999px;
  background: #f59e0b;
  color: #0a0a0a;
  transition: filter 0.2s;
}
.navbar-login:hover { filter: brightness(1.1); }
.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  color: #737373;
  cursor: pointer;
  padding: 4px;
}
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 40;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: rgba(10,10,10,0.98);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 18px;
  font-weight: 500;
  color: #737373;
}
.mobile-menu a.active { color: #f59e0b; }
.mobile-menu .mobile-login {
  margin-top: 16px;
  padding: 8px 32px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 9999px;
  background: #f59e0b;
  color: #0a0a0a;
}
.mobile-menu-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: #737373;
  cursor: pointer;
  padding: 4px;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
}
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 96px 5vw 80px;
  max-width: 900px;
  margin: 0 auto;
}
.hero-small {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: 12px;
  margin-bottom: 24px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.15);
  color: #f59e0b;
}
.hero-small .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #f59e0b;
}
.hero h1 {
  font-size: 40px;
  font-weight: 900;
  color: #e5e5e5;
  margin-bottom: 20px;
}
.hero p {
  font-size: 16px;
  color: #a3a3a3;
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  background: #f59e0b;
  color: #2c1810;
  border: none;
  cursor: pointer;
  transition: filter 0.2s;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  background: transparent;
  color: #e5e5e5;
  border: 1.5px solid rgba(245,158,11,0.2);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-outline:hover { border-color: rgba(245,158,11,0.4); }

/* Hero data stats */
.hero-stats {
  margin-top: 64px;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.hero-stat {
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-stat svg {
  color: #f59e0b;
  opacity: 0.6;
  flex-shrink: 0;
}
.hero-stat-num {
  font-size: 18px;
  font-weight: 700;
  color: #f59e0b;
}
.hero-stat-label {
  font-size: 12px;
  color: #a3a3a3;
}

/* ===== Section Common ===== */
.section { padding: 80px 5vw; }
.section-alt { background: rgba(124,45,18,0.3); }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: #e5e5e5;
  margin-bottom: 16px;
}
.section-header p {
  font-size: 16px;
  color: #a3a3a3;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Cards ===== */
.card {
  padding: 24px;
  border-radius: 12px;
  background: rgba(44,24,16,0.5);
  border: 1px solid rgba(245,158,11,0.12);
  transition: all 0.3s ease;
}
.card:hover {
  border-color: rgba(245,158,11,0.25);
  transform: translateY(-2px);
}
.card-icon {
  width: 44px; height: 44px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245,158,11,0.08);
  margin-bottom: 16px;
}
.card-icon svg { color: #f59e0b; }
.card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #e5e5e5;
  margin-bottom: 8px;
}
.card p {
  font-size: 13px;
  color: #a3a3a3;
  line-height: 1.7;
}

/* ===== Service Cards ===== */
.service-card {
  padding: 24px;
  border-radius: 12px;
  background: rgba(44,24,16,0.5);
  border: 1px solid rgba(245,158,11,0.12);
  transition: all 0.3s ease;
}
.service-card:hover {
  border-color: rgba(245,158,11,0.25);
  transform: translateY(-4px);
}
.service-card .icon-wrap {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  background: rgba(245,158,11,0.08);
}
.service-card .icon-wrap svg { color: #f59e0b; }

/* ===== City Network Section ===== */
.city-network-section {
  padding: 80px 5vw;
  background: rgba(124,45,18,0.3);
}
.city-network-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}
.city-network-label {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.2);
  color: #f59e0b;
  margin-bottom: 16px;
}
.city-network-title {
  font-size: 32px;
  font-weight: 700;
  color: #e5e5e5;
  line-height: 1.2;
  margin-bottom: 16px;
}
.city-network-desc {
  font-size: 14px;
  color: #a3a3a3;
  line-height: 1.7;
  margin-bottom: 24px;
}
.city-network-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
.city-stat-card {
  padding: 16px;
  border-radius: 10px;
  background: rgba(44,24,16,0.5);
  border: 1px solid rgba(245,158,11,0.1);
}
.city-stat-card svg {
  color: #f59e0b;
  margin-bottom: 6px;
}
.city-stat-card h4 {
  font-size: 13px;
  font-weight: 500;
  color: #e5e5e5;
  margin-bottom: 2px;
}
.city-stat-card p {
  font-size: 13px;
  color: #a3a3a3;
}
.city-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.city-tag {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  color: #a3a3a3;
  background: rgba(245,158,11,0.05);
  border: 1px solid rgba(245,158,11,0.1);
}
.city-network-image {
  border-radius: 12px;
  overflow: hidden;
}
.city-network-image img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

/* ===== Process Steps - Horizontal Timeline ===== */
.process-timeline {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0;
  max-width: 1100px;
  margin: 0 auto;
  overflow-x: auto;
  padding-bottom: 16px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.process-timeline::-webkit-scrollbar { display: none; }
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  position: relative;
  padding: 0 8px;
}
.process-step .step-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  background: rgba(245,158,11,0.1);
  border: 1.5px solid rgba(245,158,11,0.2);
  position: relative;
  z-index: 2;
}
.process-step .step-icon svg { color: #f59e0b; }
.process-step h3 {
  font-size: 14px;
  font-weight: 700;
  color: #e5e5e5;
  margin-bottom: 6px;
}
.process-step p {
  font-size: 12px;
  color: #a3a3a3;
  line-height: 1.5;
}


/* ===== Testimonial Card ===== */
.testimonial-card {
  padding: 24px;
  border-radius: 12px;
  background: rgba(44,24,16,0.4);
  border: 1px solid rgba(245,158,11,0.15);
}
.testimonial-stars {
  display: flex;
  gap: 3px;
  margin-bottom: 14px;
}
.testimonial-stars svg { color: #f59e0b; }
.testimonial-body {
  font-size: 14px;
  color: #a3a3a3;
  line-height: 1.7;
  margin-bottom: 20px;
}
.testimonial-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(245,158,11,0.12);
}
.testimonial-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f59e0b, #c2410c);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.testimonial-author h4 { font-size: 14px; color: #e5e5e5; margin-bottom: 2px; }
.testimonial-author span { font-size: 12px; color: #737373; }

/* ===== Trust Tags ===== */
.trust-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 12px;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.15);
  color: #a3a3a3;
}
.trust-tag svg { color: #f59e0b; }

/* ===== CTA Section ===== */
.cta-section {
  position: relative;
  padding: 64px 5vw;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  inset: 0;
  background: #1a1a1a;
}
.cta-alt-bg {
  background: rgba(124,45,18,0.3);
}
.cta-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 48px;
  font-weight: 700;
  color: #e5e5e5;
  margin-bottom: 16px;
}
.cta-content p {
  font-size: 16px;
  color: #a3a3a3;
  margin-bottom: 32px;
}

/* ===== Stats Section (Results) ===== */
.stats-section { padding: 80px 5vw; }
.stat-item {
  text-align: center;
  padding: 24px;
}
.stat-item svg {
  color: #f59e0b;
  margin: 0 auto 12px;
}
.stat-num {
  font-size: 32px;
  font-weight: 700;
  color: #f59e0b;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 14px;
  color: #a3a3a3;
}

/* ===== Partner Category Card ===== */
.partner-card {
  padding: 24px;
  border-radius: 12px;
  background: rgba(44,24,16,0.5);
  border: 1px solid rgba(245,158,11,0.12);
  transition: all 0.3s ease;
}
.partner-card:hover {
  border-color: rgba(245,158,11,0.25);
  transform: translateY(-2px);
}
.partner-card-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}
.partner-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #e5e5e5;
  margin-bottom: 4px;
}
.partner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.partner-tag {
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 6px;
  background: rgba(245,158,11,0.05);
  color: #a3a3a3;
  border: 1px solid rgba(245,158,11,0.08);
}

/* ===== Advantage Card ===== */
.adv-card {
  padding: 24px;
  border-radius: 12px;
  text-align: center;
  background: rgba(44,24,16,0.5);
  border: 1px solid rgba(245,158,11,0.12);
}
.adv-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: rgba(245,158,11,0.08);
}
.adv-icon svg { color: #f59e0b; }

/* ===== Case Featured Cards (No Image) ===== */
.case-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}
.case-card-item {
  padding: 28px 32px;
  border-radius: 12px;
  background: rgba(44,24,16,0.4);
  border: 1px solid rgba(245,158,11,0.12);
  transition: all 0.3s ease;
}
.case-card-item:hover {
  border-color: rgba(245,158,11,0.25);
}
.case-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.case-card-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  background: #f59e0b;
  color: #2c1810;
}
.case-card-item h3 {
  font-size: 18px;
  font-weight: 700;
  color: #e5e5e5;
  margin-bottom: 8px;
}
.case-card-item > p {
  font-size: 13px;
  color: #a3a3a3;
  line-height: 1.7;
  margin-bottom: 16px;
}
.case-card-metrics {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 16px;
  padding: 12px 0;
  border-top: 1px solid rgba(245,158,11,0.1);
  border-bottom: 1px solid rgba(245,158,11,0.1);
}
.case-card-metric {
  display: flex;
  align-items: center;
  gap: 6px;
}
.case-card-metric svg { color: #f59e0b; }
.case-card-metric-num {
  font-size: 15px;
  font-weight: 700;
  color: #f59e0b;
}
.case-card-metric-label {
  font-size: 12px;
  color: #a3a3a3;
}
.case-card-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.case-card-highlight {
  padding: 3px 10px;
  font-size: 12px;
  border-radius: 6px;
  background: rgba(245,158,11,0.1);
  color: #f59e0b;
  border: 1px solid rgba(245,158,11,0.2);
}
.case-card-cities {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #a3a3a3;
}
.case-card-cities svg { color: #f59e0b; }

/* More case card */
.more-case-card {
  padding: 20px;
  border-radius: 12px;
  background: rgba(44,24,16,0.4);
  border: 1px solid rgba(245,158,11,0.12);
  transition: all 0.3s ease;
}
.more-case-card:hover {
  border-color: rgba(245,158,11,0.25);
  transform: translateY(-2px);
}
.more-case-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}
.more-case-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245,158,11,0.1);
}
.more-case-icon svg { color: #f59e0b; }
.more-case-industry {
  padding: 2px 8px;
  font-size: 12px;
  border-radius: 6px;
  background: rgba(245,158,11,0.06);
  color: #a3a3a3;
}
.more-case-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: #e5e5e5;
  margin-bottom: 6px;
}
.more-case-card p {
  font-size: 13px;
  color: #a3a3a3;
}

/* ===== Promotion Mode Card (Screenshot Style) ===== */
.mode-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-radius: 16px;
  margin-bottom: 32px;
  overflow: hidden;
}
.mode-image img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 12px;
}
.mode-content {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.mode-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.mode-title-row svg { color: #f59e0b; }
.mode-content h3 {
  font-size: 22px;
  font-weight: 700;
  color: #e5e5e5;
}
.mode-content > p {
  font-size: 14px;
  color: #a3a3a3;
  line-height: 1.7;
  margin-bottom: 20px;
}
.mode-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.mode-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #a3a3a3;
}
.mode-feature::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid #f59e0b;
  flex-shrink: 0;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #f59e0b;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}
.back-to-top:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}
.back-to-top svg {
  color: #2c1810;
}

/* ===== Pricing Section ===== */
.pricing-section {
  padding: 80px 5vw;
  background: #c2410c;
}
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.pricing-card {
  text-align: center;
  padding: 24px;
}
.pricing-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  background: rgba(245,158,11,0.12);
  border: 1.5px solid rgba(245,158,11,0.25);
}
.pricing-icon svg { color: #f59e0b; }
.pricing-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.15);
  color: #f59e0b;
  margin-bottom: 12px;
}
.pricing-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #e5e5e5;
  margin-bottom: 10px;
}
.pricing-card p {
  font-size: 13px;
  color: #a3a3a3;
  line-height: 1.7;
}

/* Service Chain */
.chain-item {
  text-align: center;
  padding: 20px;
  border-radius: 12px;
  background: rgba(44,24,16,0.4);
  border: 1px solid rgba(245,158,11,0.12);
}
.chain-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  background: rgba(245,158,11,0.1);
}
.chain-icon svg { color: #f59e0b; }

/* ===== Contact Info Column ===== */
.contact-info-col {
  padding-top: 8px;
  margin-top: 48px;
}

/* ===== Contact Page ===== */
.contact-form {
  padding: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  border: none !important;
}
.form-group { margin-bottom: 32px; }
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: #e5e5e5;
  margin-bottom: 6px;
}
.form-input,
input.form-input,
select.form-input,
textarea.form-input {
  width: 100%;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  color: #e5e5e5;
  background: transparent !important;
  background-color: transparent !important;
  border: 1px solid rgba(245,158,11,0.2);
  outline: none;
  transition: border-color 0.2s;
  font-family: inherit;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
.form-input:focus { border-color: rgba(245,158,11,0.5); }
.form-input::placeholder { color: rgba(255,255,255,0.4); }
select.form-input { cursor: pointer; }
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.office-card {
  padding: 24px;
  border-radius: 12px;
  background: rgba(44,24,16,0.4);
  border: 1px solid rgba(245,158,11,0.12);
}
.office-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #e5e5e5;
  margin-bottom: 16px;
}
.office-info {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 13px;
  color: #a3a3a3;
}
.office-info svg {
  color: #f59e0b;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== Login Page ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 40px;
  background: url('../images/login-bg.jpg') center/cover no-repeat;
  position: relative;
}
.login-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(44,24,16,0.75) 0%, rgba(194,65,12,0.6) 100%);
}
.login-card {
  width: 100%;
  max-width: 420px;
  padding: 40px;
  border-radius: 16px;
  background: rgba(44,24,16,0.6);
  border: 1px solid rgba(245,158,11,0.15);
  backdrop-filter: blur(10px);
}
.login-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #a3a3a3;
  margin-bottom: 24px;
  transition: color 0.2s;
}
.login-back:hover { color: #f59e0b; }
.login-logo {
  text-align: center;
  margin-bottom: 32px;
}
.login-logo img { height: 36px; margin: 0 auto; }
.login-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(245,158,11,0.12);
}
.login-tab {
  flex: 1;
  padding: 12px;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  color: #737373;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.2s;
}
.login-tab.active {
  color: #f59e0b;
  border-bottom-color: #f59e0b;
}
.login-form { display: none; }
.login-form.active { display: block; }
.btn-full {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  background: #f59e0b;
  color: #2c1810;
  border: none;
  cursor: pointer;
  transition: filter 0.2s;
  font-family: inherit;
}
.btn-full:hover { filter: brightness(1.1); }
.login-agree {
  text-align: center;
  font-size: 12px;
  color: #737373;
  margin-top: 16px;
}
.login-agree a { color: #f59e0b; }
.login-agree a:hover { text-decoration: underline; }

/* ===== Footer ===== */
.footer {
  padding: 48px 5vw 24px;
  background: #7c2d12;
}
.footer-top {
  max-width: 1200px;
  margin: 0 auto;
  margin-bottom: 36px;
}
.footer-logo img { height: 32px; width: auto; }
.footer-slogan {
  font-size: 13px;
  color: #a3a3a3;
  margin-top: 8px;
}
.footer-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto 36px;
}
.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  color: #e5e5e5;
  margin-bottom: 16px;
}
.footer-col-link {
  display: block;
  font-size: 13px;
  color: #a3a3a3;
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-col-link:hover { color: #f59e0b; }
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #a3a3a3;
  margin-bottom: 10px;
}
.footer-contact-item svg { color: #f59e0b; flex-shrink: 0; }
.footer-about {
  font-size: 13px;
  color: #a3a3a3;
  line-height: 1.7;
}
.footer-divider {
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 1px;
  background: rgba(245,158,11,0.15);
  margin-bottom: 20px;
}
.footer-bottom {
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}
.footer-bottom img { height: 14px; display: inline-block; vertical-align: middle; margin: 0 4px; position: relative; top: -1px; }

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
  .md\:h-\[60vh\] { height: 60vh; }
  .md\:text-5xl { font-size: 48px; }
  .md\:text-6xl { font-size: 60px; }
  .md\:text-xl { font-size: 20px; }
  .md\:text-4xl { font-size: 36px; }
  .md\:text-lg { font-size: 18px; }
  .md\:py-32 { padding-top: 128px; padding-bottom: 128px; }
  .md\:gap-14 { gap: 56px; }
  .navbar-links { display: flex; }
  .navbar-login { display: inline-block; }
  .mobile-menu-btn { display: none; }
  .hero h1 { font-size: 60px; }
  .hero-stats { gap: 32px; }
  .case-featured { grid-template-columns: 7fr 5fr; }
  .case-featured.reverse { grid-template-columns: 5fr 7fr; }
  .case-image-wrap img { height: 420px; }
  .mode-card { grid-template-columns: 1fr 1fr; }
  .mode-image img { height: 100%; min-height: 300px; border-radius: 12px; }
  .form-row { grid-template-columns: 1fr 1fr; }
  .footer-columns { grid-template-columns: repeat(4, 1fr); }
  .process-timeline { flex-wrap: nowrap; }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-info-col { padding-left: 60px; margin-top: 0; }
  .city-network-grid { grid-template-columns: 1fr 1fr; gap: 60px; }
  .city-network-title { font-size: 40px; }
  .stat-num { font-size: 40px; }
  .cta-content h2 { font-size: 56px; }
  .section { padding: 128px 5vw; }
  .cta-section { padding: 128px 5vw; }
  .stats-section { padding: 128px 5vw; }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .lg\:grid-cols-12 { grid-template-columns: repeat(12, 1fr); }
  .lg\:col-span-7 { grid-column: span 7; }
  .lg\:col-span-5 { grid-column: span 5; }
  .lg\:gap-20 { gap: 80px; }
  .lg\:gap-12 { gap: 48px; }
  .city-grid { grid-template-columns: repeat(6, 1fr); }
}