/* ========== Base ========== */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --accent: #0ea5e9;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --purple: #8b5cf6;
  --teal: #14b8a6;
  --dark: #0f172a;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow 0.3s ease;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--gray-900);
  font-size: 1.25rem;
  font-weight: 700;
}

.logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.logo span {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-500);
  margin-top: 2px;
}

@media (max-width: 768px) {
  .logo {
    font-size: 1.1rem;
    gap: 8px;
  }
  .logo-img {
    width: 36px;
    height: 36px;
  }
  .logo span {
    font-size: 0.65rem;
  }
}

@media (max-width: 480px) {
  .logo span {
    display: none;
  }
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav a {
  text-decoration: none;
  color: var(--gray-600);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav a:hover,
.nav a.active {
  color: var(--primary);
  background: var(--primary-light);
}

.nav-cta {
  background: var(--primary);
  color: var(--white) !important;
  margin-left: 8px;
}

.nav-cta:hover {
  background: var(--primary-dark) !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ========== Breadcrumb ========== */
.breadcrumb {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  z-index: 900;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding: 8px 0;
  font-size: 0.8rem;
  color: var(--gray-500);
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

/* ========== Hero ========== */
.hero {
  padding: 172px 0 80px;
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #dbeafe 100%);
  position: relative;
  overflow: hidden;
}

/* subtle background decoration */
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--gray-900);
  margin-bottom: 20px;
}

.hero-content h1 .highlight {
  color: var(--primary);
  position: relative;
}

.hero-content > p {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.hero-stat {
  text-align: center;
  padding: 16px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
}

.hero-stat h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}

.hero-stat p {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 500px;
}

/* Background glow circle behind server */
.hero-visual::before {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, rgba(14, 165, 233, 0.04) 50%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero-illustration {
  width: 400px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.server-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 12px 32px rgba(37, 99, 235, 0.2));
  transition: transform 0.5s ease;
}

.server-img:hover {
  transform: scale(1.03);
}

/* Floating Cards */
.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.8);
  animation: float 4s ease-in-out infinite;
  z-index: 10;
}

.card-1 {
  top: 8%;
  right: -10px;
  animation-delay: 0s;
}

.card-2 {
  bottom: 18%;
  left: -30px;
  animation-delay: 1.3s;
}

.card-3 {
  bottom: 3%;
  right: 5%;
  animation-delay: 2.6s;
}

.card-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.card-icon.blue {
  background: #dbeafe;
}

.card-icon.green {
  background: #d1fae5;
}

.card-icon.orange {
  background: #fef3c7;
}

.card-text h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-900);
  white-space: nowrap;
}

.card-text p {
  font-size: 0.75rem;
  color: var(--gray-500);
  white-space: nowrap;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-12px) rotate(0.5deg);
  }
}

/* ========== Section Common ========== */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--gray-500);
}

/* ========== Services ========== */
.services {
  background: var(--gray-50);
}

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

/* Service Card */
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0;
  align-items: center;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.service-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: 1.4rem;
  margin-bottom: 0;
  grid-row: 1;
  grid-column: 1;
  flex-shrink: 0;
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0;
  margin-left: 10px;
  grid-row: 1;
  grid-column: 2;
}

.service-card > p {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 14px;
  margin-top: 12px;
  line-height: 1.5;
  grid-row: 2;
  grid-column: 1 / -1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  grid-row: 3;
  grid-column: 1 / -1;
}

.service-tags span {
  font-size: 0.72rem;
  padding: 3px 8px;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 6px;
  font-weight: 500;
}

.service-icon.blue {
  background: #dbeafe;
}

.service-icon.green {
  background: #d1fae5;
}

.service-icon.orange {
  background: #fef3c7;
}

.service-icon.purple {
  background: #ede9fe;
}

.service-icon.red {
  background: #fee2e2;
}

.service-icon.teal {
  background: #ccfbf1;
}

/* ========== Server Repair ========== */
.server-repair {
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
}

.repair-brands {
  margin-bottom: 64px;
}

.repair-brands-intro {
  text-align: center;
  margin-bottom: 40px;
}

.repair-brands-intro h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.repair-brands-intro p {
  font-size: 1rem;
  color: var(--gray-500);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.brand-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.brand-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.brand-logo {
  width: auto;
  max-width: 100%;
  height: 48px;
  object-fit: contain;
  margin-bottom: 14px;
}

.brand-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.brand-card p {
  font-size: 0.82rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* Expert Detail */
.expert-detail {
  background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: var(--white);
}

.expert-detail-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
}

.expert-detail-text h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.expert-subtitle {
  font-size: 1rem;
  opacity: 0.8;
  margin-bottom: 32px;
}

.expert-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.expert-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.expert-feature-icon {
  font-size: 1.4rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.3);
  border-radius: 8px;
  flex-shrink: 0;
}

.expert-feature h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.expert-feature p {
  font-size: 0.88rem;
  opacity: 0.75;
  line-height: 1.5;
}

.expert-cta .btn-primary {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
  font-size: 1.05rem;
  padding: 16px 32px;
}

.expert-cta .btn-primary:hover {
  background: var(--gray-100);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.expert-detail-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.expert-badge {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  text-align: center;
  width: 100%;
}

.expert-badge-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
}

.expert-badge-num {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.expert-badge-label {
  display: block;
  font-size: 1rem;
  opacity: 0.8;
  margin-top: 8px;
}

.expert-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  width: 100%;
}

.expert-stat {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.expert-stat-num {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.expert-stat-label {
  display: block;
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 4px;
}

/* ========== Service Process ========== */
.process {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #dbeafe 100%);
}

.process-steps {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
}

.step-card {
  flex: 1;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  position: relative;
  transition: all 0.3s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.step-num {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
}

.step-icon {
  font-size: 2.5rem;
  margin: 12px 0 16px;
}

.step-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.step-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  font-weight: 700;
  padding: 0 8px;
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .process-steps {
    flex-wrap: wrap;
    gap: 20px;
  }
  .step-card {
    flex: 1 1 calc(50% - 20px);
    min-width: 200px;
  }
  .step-arrow {
    display: none;
  }
}

@media (max-width: 768px) {
  .step-card {
    flex: 1 1 100%;
  }
}

/* ========== Why Us ========== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.why-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.why-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.why-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ========== Cases ========== */
.cases {
  background: var(--gray-50);
}

.cases-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 20px;
  border: none;
  background: var(--white);
  color: var(--gray-600);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid var(--gray-200);
}

.tab-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary-light);
}

.tab-btn.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

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

.case-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.case-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.case-card.hidden {
  display: none;
}

.case-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.case-icon.blue { background: #dbeafe; }
.case-icon.green { background: #d1fae5; }
.case-icon.orange { background: #fef3c7; }
.case-icon.purple { background: #ede9fe; }
.case-icon.red { background: #fee2e2; }
.case-icon.teal { background: #ccfbf1; }

.case-content {
  flex: 1;
}

.case-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.case-content > p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 12px;
}

.case-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.case-meta span {
  font-size: 0.75rem;
  color: var(--gray-400);
  font-weight: 500;
}

.case-more {
  text-align: center;
  margin-top: 40px;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--gray-900);
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-toggle {
  font-size: 1.25rem;
  color: var(--primary);
  font-weight: 700;
  transition: transform 0.3s ease;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-radius: 6px;
  flex-shrink: 0;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-answer-inner p {
  margin-bottom: 10px;
}

.faq-answer-inner ul,
.faq-answer-inner ol {
  margin: 10px 0 10px 20px;
  padding-left: 16px;
}

.faq-answer-inner li {
  margin-bottom: 6px;
  line-height: 1.6;
}

.faq-answer-inner strong {
  color: var(--gray-800);
  font-weight: 600;
}

/* ========== CTA ========== */
.cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  text-align: center;
  color: var(--white);
}

.cta h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
}

/* CTA Unified Card */
.cta-card {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  max-width: 780px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  align-items: stretch;
}

/* Left: Contact Info */
.cta-left {
  display: flex;
  flex-direction: column;
  padding: 32px;
  gap: 4px;
}

.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-contact-item:last-child {
  border-bottom: none;
}

.cta-contact-primary {
  padding-top: 0;
  padding-bottom: 16px;
  margin-bottom: 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.cta-icon-wrap {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.cta-icon-wrap:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

.cta-icon-phone {
  background: rgba(37, 99, 235, 0.25);
}

.cta-icon-phone:hover {
  background: rgba(37, 99, 235, 0.4);
}

.cta-icon-email {
  background: rgba(16, 185, 129, 0.2);
}

.cta-icon-email:hover {
  background: rgba(16, 185, 129, 0.35);
}

.cta-icon-time {
  background: rgba(245, 158, 11, 0.2);
}

.cta-icon-time:hover {
  background: rgba(245, 158, 11, 0.35);
}

.cta-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.cta-contact-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.cta-label {
  font-size: 0.75rem;
  opacity: 0.7;
  font-weight: 500;
}

.cta-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}

.cta-value-name {
  font-size: 1.15rem;
}

.cta-value-link {
  text-decoration: none;
  color: var(--white);
  transition: opacity 0.2s ease;
}

.cta-value-link:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.cta-value-small {
  font-size: 0.88rem;
}

/* Divider */
.cta-divider {
  width: 1px;
  background: rgba(255, 255, 255, 0.15);
  margin: 24px 0;
}

/* Right: WeChat QR */
.cta-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 32px;
}

.cta-wechat-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  width: 100%;
  max-width: 220px;
  transition: all 0.3s ease;
}

.cta-wechat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.cta-wechat-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  background: linear-gradient(135deg, #07C160 0%, #05a350 100%);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
}

.cta-wechat-body {
  padding: 16px;
  text-align: center;
}

.cta-wechat-qr {
  width: 100%;
  max-width: 170px;
  border-radius: 6px;
  display: block;
  margin: 0 auto 10px;
}

.cta-wechat-tip {
  font-size: 0.78rem;
  color: var(--gray-600);
  margin: 0 0 2px;
}

.cta-wechat-sub {
  font-size: 0.72rem;
  color: var(--gray-400);
  margin: 0;
}

/* Footer WeChat QR */
.wechat-qr {
  margin-top: 16px;
  text-align: center;
}

.wechat-qr-img {
  width: 120px;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  display: block;
  margin: 0 auto;
}

/* Footer Social */
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--gray-300);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: var(--primary);
  color: var(--white);
}

.footer-social a span {
  font-size: 0.8rem;
}

/* ========== Partners ========== */
.partners {
  padding: 60px 0;
  background: var(--gray-50);
  text-align: center;
}

.partners h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-500);
  margin-bottom: 32px;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.partner-logo {
  padding: 16px;
  background: var(--white);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
}

/* ========== Footer ========== */
.footer {
  background: var(--dark);
  color: var(--gray-300);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-logo-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 6px;
  flex-shrink: 0;
}

.footer-about p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--gray-400);
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: var(--primary);
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}

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

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-col ul li a:hover {
  color: var(--white);
}

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.85rem;
  color: var(--gray-400);
}

.contact-icon {
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray-500);
}

.footer-bottom a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-bottom a:hover {
  color: var(--white);
  text-decoration: underline;
}

.footer-about a,
.footer-contact a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.footer-about a:hover,
.footer-contact a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* ========== Cross-Border Service ========== */
.cross-border {
  background: linear-gradient(180deg, var(--white) 0%, #f0f7ff 100%);
}

.cb-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cb-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
  border-top: 4px solid var(--primary);
  transition: all 0.3s ease;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0;
  align-items: center;
}

.cb-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cb-flag {
  font-size: 2rem;
  margin-bottom: 0;
  grid-row: 1;
  grid-column: 1;
  flex-shrink: 0;
  line-height: 1;
}

.cb-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0;
  margin-left: 12px;
  grid-row: 1;
  grid-column: 2;
}

.cb-card p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-top: 10px;
  margin-bottom: 12px;
  grid-row: 2;
  grid-column: 1 / -1;
}

.cb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  grid-row: 3;
  grid-column: 1 / -1;
}

.cb-tags span {
  font-size: 0.72rem;
  padding: 3px 8px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 6px;
  font-weight: 500;
}

@media (max-width: 1024px) {
  .cb-grid {
    grid-template-columns: 1fr;
  }
  .cb-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0;
    align-items: center;
    padding: 24px;
  }
  .cb-flag {
    margin-bottom: 0;
    grid-row: 1;
    grid-column: 1;
    font-size: 2rem;
  }
  .cb-card h3 {
    grid-row: 1;
    grid-column: 2;
    margin-bottom: 0;
    margin-left: 12px;
    font-size: 1.05rem;
  }
  .cb-card p {
    grid-row: 2;
    grid-column: 1 / -1;
    margin-top: 12px;
    margin-bottom: 12px;
    font-size: 0.85rem;
  }
  .cb-tags {
    grid-row: 3;
    grid-column: 1 / -1;
  }
  .cb-tags span {
    font-size: 0.72rem;
    padding: 3px 8px;
  }
}

/* ========== English Section (for AI crawlers) ========== */
.english-section {
  background: var(--gray-50);
  padding: 60px 0;
  border-top: 2px solid var(--gray-200);
}

.english-section h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}

.english-section h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 32px;
  margin-bottom: 12px;
}

.english-section p {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 12px;
}

.english-section ul {
  margin-left: 20px;
  margin-bottom: 16px;
  color: var(--gray-600);
  line-height: 1.8;
}

.english-section li {
  margin-bottom: 4px;
}

.english-section dl {
  margin: 0;
}

.english-section dt {
  font-weight: 700;
  color: var(--gray-800);
  margin-top: 16px;
  margin-bottom: 4px;
  font-size: 1rem;
}

.english-section dd {
  margin-left: 0;
  margin-bottom: 8px;
  color: var(--gray-500);
  line-height: 1.7;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .english-section {
    padding: 40px 0;
  }
  .english-section h2 {
    font-size: 1.4rem;
  }
  .english-section h3 {
    font-size: 1.05rem;
  }
  .english-section p,
  .english-section ul {
    font-size: 0.85rem;
  }
  .english-section dd {
    font-size: 0.82rem;
  }
}

/* ========== Back to Top ========== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 997;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* ========== WeChat Float Widget ========== */
/* Default visible, always floating on scroll */
.wechat-float {
  position: fixed;
  bottom: 100px;
  right: 25px;
  z-index: 998;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

/* WeChat icon button */
.wechat-float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #07C160 0%, #05a350 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(7, 193, 96, 0.35);
  transition: all 0.3s ease;
  flex-shrink: 0;
  order: 2;
}

.wechat-float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(7, 193, 96, 0.5);
}

/* QR Panel - always visible by default */
.wechat-float-panel {
  width: 210px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  border: 1px solid var(--gray-100);
  overflow: hidden;
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  order: 1;
  position: relative;
}

.wechat-float-panel.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.9);
  pointer-events: none;
}

.wechat-float-close {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.25);
  color: var(--white);
  font-size: 18px;
  line-height: 28px;
  text-align: center;
  cursor: pointer;
  display: block;
  padding: 0;
  z-index: 10;
  transition: all 0.2s ease;
}

.wechat-float-close:hover {
  background: rgba(0, 0, 0, 0.5);
  transform: scale(1.2);
}

.wechat-float-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: linear-gradient(135deg, #07C160 0%, #05a350 100%);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
}

.wechat-float-logo {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  object-fit: contain;
  background: var(--white);
  padding: 2px;
}

.wechat-float-body {
  padding: 14px;
  text-align: center;
}

.wechat-float-qr {
  width: 100%;
  max-width: 160px;
  border-radius: var(--radius-sm);
  display: block;
  margin: 0 auto 8px;
}

.wechat-float-tip {
  font-size: 0.8rem;
  color: var(--gray-600);
  margin: 0 0 4px;
}

.wechat-float-phone {
  font-size: 0.82rem;
  color: var(--primary);
  font-weight: 600;
  margin: 0;
}

/* WeChat Float mobile */
@media (max-width: 768px) {
  .wechat-float {
    bottom: 85px;
    right: 15px;
    gap: 8px;
  }

  .wechat-float-btn {
    width: 44px;
    height: 44px;
  }

  .wechat-float-btn svg {
    width: 22px;
    height: 22px;
  }

  .wechat-float-panel {
    width: 175px;
  }

  .wechat-float-header {
    padding: 10px 12px;
    font-size: 0.78rem;
  }

  .wechat-float-body {
    padding: 10px;
  }

  .wechat-float-qr {
    max-width: 135px;
  }

  .wechat-float-close {
    width: 24px;
    height: 24px;
    font-size: 16px;
    line-height: 24px;
    top: 5px;
    right: 5px;
  }
}

/* ========== Animations ========== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 {
  transition-delay: 0.1s;
}

.fade-in-delay-2 {
  transition-delay: 0.2s;
}

.fade-in-delay-3 {
  transition-delay: 0.3s;
}

.fade-in-delay-4 {
  transition-delay: 0.4s;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .hero .container {
    gap: 30px;
  }

  .hero-content h1 {
    font-size: 2.6rem;
  }

  .hero-illustration {
    width: 320px;
    height: 320px;
  }

  .hero-visual::before {
    width: 360px;
    height: 360px;
  }

  .floating-card {
    padding: 10px 14px;
    gap: 8px;
  }

  .card-icon {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .card-text h4 {
    font-size: 0.8rem;
  }

  .card-text p {
    font-size: 0.7rem;
  }

  .card-1 {
    right: -5px;
  }

  .card-2 {
    left: -15px;
  }

  .service-card {
    padding: 22px;
  }

  .service-icon {
    width: 34px;
    height: 34px;
    font-size: 1.3rem;
  }

  .service-card h3 {
    font-size: 1rem;
    margin-left: 10px;
  }

  .service-card > p {
    font-size: 0.82rem;
    margin-top: 10px;
    margin-bottom: 12px;
  }

  .service-tags span {
    font-size: 0.7rem;
    padding: 3px 7px;
  }

  .brands-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .ibm-detail-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

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

  .hero-visual {
    display: none;
  }

  .cta-card {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .cta-divider {
    width: auto;
    height: 1px;
    margin: 0 24px;
  }

  .cta-left {
    padding: 24px;
  }

  .cta-right {
    padding: 24px;
    justify-content: center;
  }

  .cta-wechat-card {
    max-width: 200px;
  }

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

  .why-grid {
    grid-template-columns: 1fr;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }

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

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

  .expert-detail {
    padding: 28px;
  }

  .expert-detail-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .expert-detail-visual {
    flex-direction: row;
    align-items: stretch;
    gap: 16px;
  }

  .expert-badge {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .expert-stats {
    flex: 1;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .expert-detail-text h3 {
    font-size: 1.4rem;
  }

  .expert-badge-num {
    font-size: 2.2rem;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 20px;
  }

  .footer-grid > :nth-child(1) {
    grid-column: 1 / -1;
  }

  .footer-grid > :nth-child(4) {
    grid-column: 1 / -1;
  }

  .footer-col h4 {
    font-size: 0.95rem;
    margin-bottom: 14px;
  }

  .footer-col ul li {
    margin-bottom: 8px;
  }

  .footer-col ul li a {
    font-size: 0.82rem;
  }

  .footer-contact li {
    font-size: 0.82rem;
  }

  /* Mobile Nav */
  .menu-toggle {
    display: flex;
  }

  .breadcrumb {
    display: none;
  }

  .hero {
    padding: 140px 0 80px;
  }

  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--gray-200);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav a {
    width: 100%;
    text-align: center;
    padding: 12px;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 8px;
  }

  .menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    padding: 18px;
  }

  .service-icon {
    width: 32px;
    height: 32px;
    font-size: 1.2rem;
  }

  .service-card h3 {
    font-size: 0.95rem;
    margin-left: 10px;
  }

  .service-card > p {
    font-size: 0.8rem;
    margin-top: 10px;
    margin-bottom: 10px;
  }

  .service-tags span {
    font-size: 0.68rem;
    padding: 2px 7px;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.6rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

  .section-header p {
    font-size: 0.9rem;
  }

  .cta-card {
    max-width: 360px;
  }

  .cta-left {
    padding: 20px;
    gap: 0;
  }

  .cta-contact-item {
    padding: 10px 0;
    gap: 10px;
  }

  .cta-icon-wrap {
    width: 36px;
    height: 36px;
  }

  .cta-icon {
    font-size: 1.1rem;
  }

  .cta-label {
    font-size: 0.72rem;
  }

  .cta-value {
    font-size: 0.9rem;
  }

  .cta-value-name {
    font-size: 1rem;
  }

  .cta-value-small {
    font-size: 0.78rem;
  }

  .cta-divider {
    margin: 0 20px;
  }

  .cta-right {
    padding: 20px;
  }

  .cta-wechat-card {
    max-width: 180px;
  }

  .cta-wechat-header {
    font-size: 0.78rem;
    padding: 8px;
  }

  .cta-wechat-body {
    padding: 12px;
  }

  .cta-wechat-qr {
    max-width: 150px;
  }

  .cta-wechat-tip {
    font-size: 0.72rem;
  }

  .cta-wechat-sub {
    font-size: 0.68rem;
  }

  .brands-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .brand-card {
    padding: 20px 14px;
  }

  .brand-logo {
    height: 36px;
  }

  .brand-card h4 {
    font-size: 0.9rem;
  }

  .brand-card p {
    font-size: 0.75rem;
  }

  .expert-detail {
    padding: 20px;
    border-radius: var(--radius);
  }

  .expert-detail-content {
    gap: 24px;
  }

  .expert-detail-text h3 {
    font-size: 1.2rem;
  }

  .expert-subtitle {
    font-size: 0.9rem;
    margin-bottom: 20px;
  }

  .expert-features {
    gap: 16px;
    margin-bottom: 20px;
  }

  .expert-feature {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0;
    align-items: center;
  }

  .expert-feature-icon {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
    grid-row: 1;
    grid-column: 1;
  }

  .expert-feature h4 {
    grid-row: 1;
    grid-column: 2;
    margin-left: 12px;
    margin-bottom: 0;
    font-size: 0.95rem;
  }

  .expert-feature p {
    grid-row: 2;
    grid-column: 1 / -1;
    margin-top: 8px;
    font-size: 0.82rem;
  }

  .expert-detail-visual {
    flex-direction: column;
    gap: 16px;
  }

  .expert-badge {
    padding: 20px;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 16px;
  }

  .expert-badge-img {
    width: 44px;
    height: 44px;
    margin-bottom: 0;
  }

  .expert-badge-text {
    text-align: left;
  }

  .expert-badge-num {
    font-size: 1.8rem;
  }

  .expert-badge-label {
    font-size: 0.85rem;
  }

  .expert-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .expert-stat {
    padding: 16px;
  }

  .expert-stat-num {
    font-size: 1rem;
  }

  .expert-stat-label {
    font-size: 0.72rem;
  }

  .expert-cta .btn-primary {
    width: 100%;
    font-size: 0.95rem;
    padding: 14px 20px;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-content h1 {
    font-size: 1.4rem;
  }

  .hero-content > p {
    font-size: 0.9rem;
  }

  .hero-stat h3 {
    font-size: 1.2rem;
  }

  .section {
    padding: 48px 0;
  }

  .service-card {
    padding: 20px;
  }

  .service-icon {
    width: 34px;
    height: 34px;
    font-size: 1.3rem;
  }

  .service-card h3 {
    font-size: 1rem;
    margin-left: 10px;
  }

  .service-card > p {
    font-size: 0.82rem;
    margin-top: 10px;
    margin-bottom: 12px;
  }

  .service-tags span {
    font-size: 0.7rem;
    padding: 3px 7px;
  }

  .faq-question {
    padding: 16px 18px;
    font-size: 0.9rem;
  }

  .faq-answer-inner {
    padding: 0 18px 16px;
    font-size: 0.85rem;
  }

  .step-card {
    padding: 24px 18px;
  }

  .step-icon {
    font-size: 2rem;
  }

  .step-card h3 {
    font-size: 0.95rem;
  }

  .step-card p {
    font-size: 0.8rem;
  }

  .case-card {
    padding: 18px;
  }

  .case-icon {
    width: 40px;
    height: 40px;
    font-size: 1.3rem;
  }

  .footer-grid {
    gap: 24px;
  }

  .container {
    padding: 0 16px;
  }

  .cta h2 {
    font-size: 1.5rem;
  }

  .cta p {
    font-size: 0.9rem;
  }

  .btn-white {
    padding: 14px 24px;
    font-size: 1rem;
  }