.mobile-menu {
  display: none;
}

/* ============================================
   0079 - Official/Trust Theme
   Shared Styles - css/style.css
   ============================================ */

/* --- CSS Variables --- */
:root {
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-500: #3b82f6;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
  --transition-slow: all 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--gray-800);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Navbar --- */
.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

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

.navbar .logo-icon {
  color: var(--blue-600);
  font-size: 1.875rem;
  transition: var(--transition);
}

.navbar .logo-text {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--gray-900);
}

.nav-link {
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--blue-600);
  background-color: var(--blue-50);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--blue-600);
  border-radius: 1px;
}

/* Download nav button */
.nav-download-btn {
  background: var(--blue-600);
  color: var(--white) !important;
  padding: 0.5rem 1.25rem !important;
  border-radius: 0.5rem !important;
  font-weight: 600;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.nav-download-btn:hover {
  background: var(--blue-700);
  color: var(--white) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--gray-700);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
}

@media (max-width: 1023px) {
  .mobile-menu-btn {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-link {
    padding: 0.75rem 1rem;
    display: block;
    width: 100%;
  }
}

/* --- Hero Section --- */
.hero-section {
  background: linear-gradient(135deg, #f0f5ff 0%, #e8f0fe 25%, #f8fafc 50%, #eff6ff 75%, #f0f5ff 100%);
  padding: 4rem 1rem 3rem;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--blue-600);
  color: var(--white);
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.6s ease forwards;
}

.hero-badge .fa-check-circle {
  font-size: 1.125rem;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 1.25rem;
  animation: fadeInUp 0.6s ease 0.1s forwards;
  opacity: 0;
}

.hero-title .highlight {
  color: var(--blue-600);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.7;
  animation: fadeInUp 0.6s ease 0.2s forwards;
  opacity: 0;
}

/* Trust badges row */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 2rem;
  animation: fadeInUp 0.6s ease 0.25s forwards;
  opacity: 0;
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  color: var(--gray-700);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.trust-badge-item:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.trust-badge-item i {
  color: var(--blue-600);
  font-size: 0.9375rem;
}

/* CTA buttons */
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  animation: fadeInUp 0.6s ease 0.3s forwards;
  opacity: 0;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--blue-600);
  color: var(--white);
  padding: 0.875rem 2rem;
  border-radius: 0.625rem;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}

.btn-primary:hover {
  background: var(--blue-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,99,235,0.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--white);
  color: var(--blue-600);
  padding: 0.875rem 2rem;
  border-radius: 0.625rem;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--blue-600);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-outline:hover {
  background: var(--blue-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* --- Section Common --- */
.section {
  padding: 4rem 1rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-label {
  display: inline-block;
  color: var(--blue-600);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
}

/* --- Features Section --- */
.features-section {
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1080px;
  margin: 0 auto;
}

.feature-card {
  background: var(--white);
  border: 2px solid var(--gray-100);
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--blue-600);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--blue-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-card:hover::before {
  opacity: 1;
}

/* Certified stamp */
.feature-stamp {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 48px;
  height: 48px;
  border: 2px solid var(--blue-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--blue-600);
  transform: rotate(12deg);
  background: var(--blue-50);
  letter-spacing: 0.05em;
  line-height: 1.1;
  text-align: center;
  opacity: 0.7;
  transition: var(--transition);
}

.feature-card:hover .feature-stamp {
  opacity: 1;
  border-color: var(--blue-500);
  transform: rotate(0deg);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--blue-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  font-size: 1.625rem;
  color: var(--blue-600);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--blue-600);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(37,99,235,0.3);
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.625rem;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
}

@media (min-width: 769px) and (max-width: 1023px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Stats Section --- */
.stats-section {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.stat-item {
  padding: 1.5rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--blue-600);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--blue-600);
}

.stat-label {
  font-size: 0.9375rem;
  color: var(--gray-500);
  font-weight: 500;
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .stat-number {
    font-size: 2rem;
  }
}

/* --- Testimonials Section --- */
.testimonials-section {
  background: var(--white);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.testimonial-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 1rem;
  padding: 1.75rem;
  transition: var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  background: var(--blue-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--blue-600);
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 600;
  color: var(--gray-900);
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.testimonial-name .fa-check-circle {
  color: var(--blue-600);
  font-size: 0.875rem;
}

.testimonial-date {
  font-size: 0.75rem;
  color: var(--gray-400);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 0.8125rem;
  margin-bottom: 0.75rem;
}

.testimonial-text {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.6;
  font-style: italic;
}

.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--blue-50);
  color: var(--blue-600);
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  margin-top: 0.75rem;
}

@media (max-width: 768px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
}

@media (min-width: 769px) and (max-width: 1023px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- FAQ Section --- */
.faq-section {
  background: var(--gray-50);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 0.75rem;
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-left: 4px solid var(--blue-600);
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.125rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  text-align: left;
  transition: var(--transition-fast);
  gap: 1rem;
}

.faq-item.active .faq-question {
  color: var(--blue-600);
}

.faq-question:hover {
  color: var(--blue-600);
}

.faq-icon {
  font-size: 0.875rem;
  color: var(--gray-400);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--blue-600);
}

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

.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
  background: var(--gray-50);
  padding: 4rem 1rem;
}

.cta-card {
  background: var(--blue-600);
  border-radius: 1.5rem;
  padding: 3rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 20px 40px rgba(37,99,235,0.2);
}

.cta-card h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.cta-card p {
  font-size: 1.0625rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-download-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  background: var(--white);
  color: var(--blue-600);
  padding: 0.9375rem 2rem;
  border-radius: 0.625rem;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

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

.btn-white-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  background: transparent;
  color: var(--white);
  padding: 0.9375rem 2rem;
  border-radius: 0.625rem;
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid rgba(255,255,255,0.6);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}

.btn-white-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* --- Footer --- */
.footer {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  padding: 3rem 1rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  max-width: 1080px;
  margin: 0 auto 2rem;
}

.footer-brand .logo-icon {
  font-size: 1.5rem;
  color: var(--blue-600);
}

.footer-brand .logo-text {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--gray-900);
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-top: 0.75rem;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--gray-500);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--blue-600);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--gray-200);
  padding-top: 1.5rem;
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8125rem;
  color: var(--gray-400);
}

.footer-bottom a {
  color: var(--gray-500);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-bottom a:hover {
  color: var(--blue-600);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Download Page Styles (shared) --- */
.download-hero {
  background: linear-gradient(135deg, #f0f5ff 0%, #e8f0fe 50%, #f8fafc 100%);
  padding: 3rem 1rem;
  text-align: center;
}

.download-hero h1 {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 0.75rem;
}

.download-hero p {
  color: var(--gray-600);
  font-size: 1.0625rem;
  max-width: 560px;
  margin: 0 auto;
}

.download-steps {
  max-width: 720px;
  margin: 3rem auto;
  padding: 0 1rem;
}

.download-step {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2rem;
  position: relative;
}

.download-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 24px;
  top: 56px;
  bottom: -24px;
  width: 2px;
  background: var(--gray-200);
}

.download-step-number {
  width: 48px;
  height: 48px;
  background: var(--blue-600);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}

.download-step-content h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 0.375rem;
}

.download-step-content p {
  font-size: 0.9375rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.download-cta-large {
  text-align: center;
  padding: 2rem 1rem;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Pulse animation for download button */
@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(37,99,235,0.4);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(37,99,235,0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37,99,235,0);
  }
}

.pulse-download {
  animation: pulse-ring 2s infinite;
}

/* --- Back to top --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--blue-600);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.125rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--blue-700);
  transform: translateY(-3px);
}

/* --- Utility --- */
.container {
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.text-center { text-align: center; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* Badge ribbon */
.ribbon-badge {
  position: relative;
  display: inline-block;
}

.ribbon-badge::after {
  content: '官方';
  position: absolute;
  top: -8px;
  right: -20px;
  background: var(--blue-600);
  color: var(--white);
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.125rem 0.5rem;
  border-radius: 0.25rem;
  transform: rotate(6deg);
}

/* --- Platform icon colors --- */
.icon-android { color: #3ddc84; }
.icon-apple { color: #000000; }
.icon-windows { color: #0078d4; }

/* QR code placeholder */
.qr-code-box {
  width: 160px;
  height: 160px;
  background: var(--white);
  border: 2px dashed var(--gray-300);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1.5rem auto 0;
  color: var(--gray-400);
  font-size: 0.8125rem;
  flex-direction: column;
  gap: 0.5rem;
}

.qr-code-box i {
  font-size: 2rem;
  color: var(--gray-300);
}

/* Warning/info banner */
.info-banner {
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  max-width: 720px;
  margin: 0 auto;
  font-size: 0.9375rem;
  color: var(--gray-700);
}

.info-banner i {
  color: var(--blue-600);
  font-size: 1.25rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Safety verification section */
.safety-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.safety-item {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 0.75rem;
  transition: var(--transition);
}

.safety-item:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-md);
}

.safety-item i {
  font-size: 1.5rem;
  color: var(--blue-600);
  margin-bottom: 0.75rem;
}

.safety-item h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.375rem;
}

.safety-item p {
  font-size: 0.8125rem;
  color: var(--gray-400);
}

@media (max-width: 640px) {
  .safety-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}