:root {
  --primary: #4F46E5;
  --primary-dark: #3730A3;
  --accent-warm: #F97316;
  --accent-cool: #06B6D4;
  --accent-rose: #E11D48;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --bg-main: #FAFAFC;
  --bg-card: #FFFFFF;
  --border-light: #E2E8F0;
  --border-accent: #CBD5E1;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 24px rgba(15,23,42,0.08);
  --shadow-lg: 0 16px 36px rgba(79,70,229,0.12);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--text-main);
  background-color: var(--bg-main);
}
body {
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}
a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.site-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.section-padding {
  padding: 80px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-badge {
  display: inline-block;
  padding: 6px 16px;
  background: #EEF2FF;
  color: var(--primary);
  border: 1px solid #C7D2FE;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand-box {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo-wrap {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.brand-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: -0.5px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}
.nav-links li a {
  display: inline-block;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  border-radius: 6px;
}
.nav-links li a:hover {
  color: var(--primary);
  background: #F1F5F9;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #4338CA 0%, #312E81 100%);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
  transform: translateY(-1px);
}
.btn-accent {
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
}
.btn-accent:hover {
  background: linear-gradient(135deg, #EA580C 0%, #C2410C 100%);
  transform: translateY(-1px);
}
.btn-outline {
  border-color: var(--border-accent);
  background: #FFFFFF;
  color: var(--text-main);
}
.btn-outline:hover {
  background: #F8FAFC;
  border-color: var(--primary);
  color: var(--primary);
}
.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  padding: 8px;
  border-radius: 6px;
  cursor: pointer;
}
.hero-section {
  padding: 80px 0 60px;
  background: radial-gradient(circle at 10% 20%, rgba(238, 242, 255, 0.8) 0%, rgba(250, 250, 252, 1) 90%);
  border-bottom: 1px solid var(--border-light);
  position: relative;
}
.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: #FEF3C7;
  color: #92400E;
  border: 1px solid #FDE68A;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
}
.hero-title {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.25;
  color: #0F172A;
  margin-bottom: 20px;
}
.hero-title span {
  color: var(--primary);
}
.hero-desc {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-action-official {
  font-size: 16px;
  padding: 14px 34px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.stat-item {
  text-align: center;
  padding: 12px;
  border-right: 1px dashed var(--border-light);
}
.stat-item:last-child {
  border-right: none;
}
.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 4px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
}
.models-ticker-box {
  background: #FFFFFF;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  margin-top: 36px;
}
.models-ticker-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 16px;
}
.models-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.model-tag {
  background: #F1F5F9;
  border: 1px solid #E2E8F0;
  color: #334155;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
}
.model-tag.highlight {
  background: #EEF2FF;
  border-color: #C7D2FE;
  color: var(--primary);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.about-card-box {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.about-highlight-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}
.about-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.about-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #EEF2FF;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}
.service-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  background: #FEF3C7;
  color: #B45309;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 12px;
}
.service-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}
.service-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
.workflow-box {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.step-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
}
.step-num {
  font-size: 36px;
  font-weight: 900;
  color: #E2E8F0;
  line-height: 1;
  margin-bottom: 12px;
}
.step-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}
.step-desc {
  font-size: 13px;
  color: var(--text-muted);
}
.media-showcase-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-top: 32px;
}
.media-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  padding: 16px;
}
.media-img-wrap {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 12px;
  background: #F1F5F9;
}
.media-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}
.media-desc {
  font-size: 13px;
  color: var(--text-muted);
}
.compare-container {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.score-banner {
  background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
  color: #FFFFFF;
  padding: 24px 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.score-badge {
  font-size: 36px;
  font-weight: 900;
  color: #FEF08A;
}
.table-responsive {
  width: 100%;
  overflow-x: auto;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.compare-table th, .compare-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
}
.compare-table th {
  background: #F8FAFC;
  font-weight: 700;
  color: var(--text-main);
}
.compare-table td.brand-col {
  font-weight: 700;
  color: var(--primary);
  background: #F5F3FF;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.price-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}
.price-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}
.price-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}
.price-tag {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary-dark);
  margin-bottom: 16px;
}
.price-list {
  list-style: none;
  text-align: left;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #EEF2FF;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
}
.review-name {
  font-size: 15px;
  font-weight: 700;
}
.review-role {
  font-size: 12px;
  color: var(--text-muted);
}
.review-comment {
  font-size: 13px;
  color: #475569;
  line-height: 1.6;
}
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  padding: 18px 24px;
  text-align: left;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.faq-answer {
  padding: 0 24px 18px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: none;
}
.faq-item.active .faq-answer {
  display: block;
}
.contact-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0;
}
.contact-qr-box {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #F8FAFC;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}
.contact-qr-img {
  width: 100px;
  height: 100px;
  flex-shrink: 0;
  background: #FFF;
  padding: 4px;
  border: 1px solid var(--border-light);
  border-radius: 6px;
}
.form-group {
  margin-bottom: 16px;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-main);
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: #FFFFFF;
  color: var(--text-main);
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}
.articles-box {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 24px;
}
.articles-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
}
.articles-list li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-main);
  background: #F8FAFC;
}
.articles-list li a:hover {
  background: #EEF2FF;
  color: var(--primary);
}
.site-footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 60px 0 30px;
  border-top: 1px solid #1E293B;
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-col-title {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a:hover {
  color: #FFFFFF;
}
.friend-links-box {
  border-top: 1px solid #1E293B;
  padding: 20px 0;
  margin-bottom: 20px;
}
.friend-links-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.friend-links-list a {
  color: #64748B;
  font-size: 12px;
}
.friend-links-list a:hover {
  color: var(--accent-cool);
}
.copyright-bar {
  text-align: center;
  font-size: 12px;
  color: #64748B;
  border-top: 1px solid #1E293B;
  padding-top: 20px;
}
.floating-widget {
  position: fixed;
  right: 20px;
  bottom: 30px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.float-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
}
.float-btn:hover {
  transform: scale(1.1);
  background: var(--primary-dark);
}
@media (max-width: 1024px) {
  .services-grid, .pricing-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .workflow-box {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
  }
  .nav-links.active {
    display: flex;
  }
  .nav-links li {
    width: 100%;
  }
  .nav-links li a {
    display: block;
    padding: 10px 16px;
  }
  .hero-title {
    font-size: 28px;
  }
  .services-grid, .pricing-grid, .reviews-grid, .about-grid, .contact-section-grid, .media-showcase-grid {
    grid-template-columns: 1fr;
  }
  .workflow-box {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}