/* H5-Dooring 官网主样式文件 */

:root {
  --primary-color: #00d4ff;
  --primary-dark: #00b8e6;
  --secondary-color: #00ffcc;
  --accent-color: #7c3aed;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-light: #71717a;
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #1a1a1a;
  --bg-dark: #000000;
  --border-color: #27272a;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #00ffcc 100%);
  --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #00d4ff 100%);
  --gradient-hero: linear-gradient(135deg, #000000 0%, #111111 50%, #1a1a1a 100%);
  --gradient-card: linear-gradient(145deg, #1a1a1a 0%, #2a2a2a 100%);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 255, 204, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(124, 58, 237, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* 通用样式 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 按钮样式 */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--bg-primary);
  box-shadow: var(--shadow-glow);
  border: none;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  position: relative;
  overflow: hidden;
}

.btn-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
  z-index: -1;
}

.btn-secondary:hover {
  color: var(--bg-primary);
  border-color: var(--primary-color);
}

.btn-secondary:hover::before {
  width: 100%;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.1rem;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: var(--shadow-glow);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.logo img {
  width: 40px;
  height: 40px;
  margin-right: 10px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero 区域 */
.hero {
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(0,212,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  right: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-buttons .btn {
  min-width: 160px;
}

/* 特性卡片 */
.features {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary-color);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: var(--bg-primary);
  box-shadow: var(--shadow-glow);
  position: relative;
}

.feature-icon::after {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--gradient-primary);
  border-radius: 18px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover .feature-icon::after {
  opacity: 0.3;
}

.feature-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 产品展示 */
.product-showcase {
  padding: 100px 0;
}

.showcase-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
}

.showcase-text h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.showcase-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.showcase-image {
  position: relative;
}

.showcase-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow-xl);
}

/* 科技感预览样式 */
.tech-preview {
  width: 100%;
  height: 300px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  border: 1px solid var(--border-color);
  position: relative;
}

.tech-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.tech-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(0, 212, 255, 0.05) 50%, transparent 70%);
  pointer-events: none;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* 统计数据 */
.stats {
  background: var(--bg-dark);
  color: var(--text-primary);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 25% 25%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(0, 255, 204, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-item {
  padding: 2rem;
  border-radius: 16px;
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary-color);
}

.stat-item h3 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.3));
}

.stat-item p {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* 联系我们 */
.contact {
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  color: white;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.3);
}

.contact-form {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-glow);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
  background: var(--bg-card);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* 页脚 */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

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

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

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* 页面特定样式优化 - 不影响其他页面 */
/* 定价页面文字对比度优化 */
body.pricing-page .pricing-card h3,
body.pricing-page .pricing-card p,
body.pricing-page .pricing-card .feature-item {
  color: #1a1a1a !important;
}

body.pricing-page .pricing-card .feature-item.disabled {
  color: #888888 !important;
}

/* 联系页面文字对比度优化 */
body.contact-page .contact-method-card h3,
body.contact-page .contact-method-card p,
body.contact-page .contact-details div {
  color: #1a1a1a !important;
}

body.contact-page .contact-form-large label,
body.contact-page .contact-form-large input,
body.contact-page .contact-form-large textarea,
body.contact-page .contact-form-large select {
  color: #1a1a1a !important;
}

/* 关于页面文字对比度优化 */
body.about-page .team-member h3,
body.about-page .team-member p,
body.about-page .honor-item h3,
body.about-page .honor-item p {
  color: #1a1a1a !important;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: white;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    padding-top: 2rem;
    transition: left 0.3s ease;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .showcase-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .hero {
    padding: 100px 0 60px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

  .pricing-card.featured {
    transform: none;
  }

  .source-code-pricing {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .pricing-section-header {
    margin: 3rem 0 2rem 0;
    padding: 1.5rem;
  }

  .pricing-section-header h3 {
    font-size: 1.5rem;
  }

  /* 源码版移动端适配 */
  .source-code-advantages-section {
    padding: 0 1rem;
  }

  .advantages-header h4 {
    font-size: 2rem;
  }

  .advantages-subtitle {
    font-size: 1rem;
  }

  .price-highlight {
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
  }

  .price-amount {
    font-size: 2rem;
  }

  .advantage-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
  }

  .advantage-item {
    padding: 1.5rem;
  }

  .advantage-icon {
    width: 50px;
    height: 50px;
    font-size: 2rem;
  }

  .advantage-content h5 {
    font-size: 1.1rem;
  }

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

  .features-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .feature-item {
    padding: 0.8rem;
  }

  /* 时间轴移动端适配 */
  .modern-timeline {
    padding: 2rem 0;
    margin-top: 2rem;
  }

  .modern-timeline .timeline-item {
    margin-bottom: 2.5rem;
    min-height: auto;
    flex-direction: column !important;
    text-align: center;
  }

  .modern-timeline .timeline-item:nth-child(odd),
  .modern-timeline .timeline-item:nth-child(even) {
    flex-direction: column !important;
  }

  .modern-timeline .timeline-item:nth-child(odd) .timeline-card,
  .modern-timeline .timeline-item:nth-child(even) .timeline-card {
    margin: 0 !important;
    max-width: none;
  }

  .timeline-marker {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    transform: none !important;
    margin-bottom: 1.5rem;
    width: 60px;
    height: 60px;
    box-shadow: 0 0 0 8px var(--bg-primary), 0 0 0 10px rgba(0, 212, 255, 0.2);
  }

  .timeline-card {
    margin: 0 !important;
    padding: 2rem;
  }

  .modern-timeline::before {
    display: none !important;
  }

  /* CTA区域移动端适配 */
  .cta-section {
    padding: 4rem 0;
  }

  .cta-title {
    font-size: 2.2rem;
    margin-bottom: 1rem;
  }

  .cta-subtitle {
    font-size: 1.1rem;
    margin-bottom: 2rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  .cta-btn-primary,
  .cta-btn-secondary {
    width: 100%;
    max-width: 280px;
    padding: 0.9rem 2rem;
    font-size: 1rem;
  }

  .contact-methods {
    grid-template-columns: 1fr;
  }

  .office-locations {
    grid-template-columns: 1fr;
  }

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

/* 定价页面样式 */
.pricing-section-header {
  text-align: center;
  margin: 4rem 0 3rem 0;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 255, 204, 0.1) 100%);
  border-radius: 24px;
  border: 1px solid rgba(0, 212, 255, 0.2);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.pricing-section-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 255, 204, 0.05) 100%);
  border-radius: 24px;
  z-index: -1;
}

.pricing-section-header.source-code-section {
  margin-top: 6rem;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(0, 212, 255, 0.15) 100%);
  border: 1px solid rgba(124, 58, 237, 0.3);
  color: white;
}

.pricing-section-header.source-code-section::before {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%);
}

.section-badge {
  display: inline-block;
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-lg);
}

.source-code-badge {
  background: var(--gradient-accent);
}

.pricing-section-header h3 {
  font-size: 2rem;
  margin: 1rem 0 0.5rem 0;
  font-weight: 700;
}

.pricing-section-header p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(226, 232, 240, 0.8);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(145deg, rgba(248, 250, 252, 0.3) 0%, rgba(255, 255, 255, 0.1) 100%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  border-color: rgba(0, 212, 255, 0.2);
}

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

.pricing-card.featured {
  background: linear-gradient(145deg, #ffffff 0%, #f0f9ff 100%);
  border-color: rgba(0, 212, 255, 0.3);
  transform: scale(1.02);
  box-shadow: 0 8px 40px rgba(0, 212, 255, 0.15);
}

.popular-badge {
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0 0 12px 12px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.25);
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.pricing-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #1a1a1a;
  position: relative;
  z-index: 2;
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 1rem;
  position: relative;
  z-index: 2;
}

.currency {
  font-size: 1.1rem;
  color: #64748b;
  font-weight: 500;
}

.amount {
  font-size: 2.8rem;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0.2rem;
  background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.period {
  font-size: 0.9rem;
  color: #64748b;
  font-weight: 500;
}

.pricing-description {
  color: #475569;
  font-size: 0.95rem;
  position: relative;
  z-index: 2;
  line-height: 1.5;
}

.pricing-features {
  margin-bottom: 2rem;
}

.pricing-features .feature-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.6rem;
  padding: 0.5rem 0;
  position: relative;
  z-index: 2;
}

.pricing-features .feature-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  font-size: 0.8rem;
  font-weight: bold;
  flex-shrink: 0;
}

.pricing-features .feature-item:not(.disabled) {
  color: #334155;
}

.pricing-features .feature-item:not(.disabled) .feature-icon {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.2);
}

.pricing-features .feature-item.disabled {
  opacity: 0.5;
  color: #94a3b8;
}

.pricing-features .feature-item.disabled .feature-icon {
  background: #e2e8f0;
  color: #94a3b8;
}

.pricing-btn {
  width: 100%;
  justify-content: center;
}

/* 功能对比表 */
.comparison-table-wrapper {
  overflow-x: auto;
  margin-top: 3rem;
  padding-top: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-xl);
  background: var(--gradient-card);
  backdrop-filter: blur(15px);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: visible;
}

.comparison-table-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.comparison-table {
  width: 100%;
  background: transparent;
  border-collapse: collapse;
  min-width: 700px;
  border-radius: 20px;
  overflow: visible;
  position: relative;
  margin-top: 0;
}

.comparison-table th,
.comparison-table td {
  padding: 1.2rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  position: relative;
  transition: all 0.3s ease;
}

.comparison-table th {
  background: linear-gradient(145deg, #1e293b 0%, #334155 100%);
  font-weight: 800;
  color: white;
  border-bottom: none;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 1.5rem 1.2rem;
  position: relative;
}

.comparison-table th:first-child {
  background: var(--gradient-card);
}

/* 为不同版本的列头添加特色 - 使用网站主色调 */
.comparison-table th:nth-child(2) {
  background: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
}

.comparison-table th:nth-child(3) {
  background: var(--gradient-primary);
  position: relative;
}

/* 源码版样式 */
.source-code-advantages-section {
  max-width: 1200px;
  margin: 3rem auto 0;
  padding: 0 2rem;
}

.advantages-header {
  text-align: center;
  margin-bottom: 4rem;
}

.advantages-header h4 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.advantages-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.price-highlight {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
  background: var(--gradient-card);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.1);
}

.price-label {
  font-size: 1rem;
  color: var(--text-secondary);
}

.price-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.advantage-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--gradient-card);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.advantage-item:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 212, 255, 0.15);
}

.advantage-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 50%;
  margin-top: 0.2rem;
}

.advantage-content h5 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.advantage-content p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
}

.source-features-list {
  background: var(--gradient-card);
  padding: 2.5rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.source-features-list h5 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: var(--text-primary);
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem;
  background: rgba(0, 212, 255, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(0, 212, 255, 0.1);
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.2);
}

/* CTA区域优化样式 */
.cta-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(0, 212, 255, 0.05) 50%, var(--bg-secondary) 100%);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="ctaGrid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(0,212,255,0.08)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23ctaGrid)"/></svg>');
  opacity: 0.3;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.cta-subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.6;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-btn-primary {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

.cta-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(0, 212, 255, 0.4);
}

.cta-btn-secondary {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.cta-btn-secondary:hover {
  background: var(--gradient-card);
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.2);
}

.feature-icon {
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.1rem;
}

.pricing-note {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  opacity: 0.8;
}

.comparison-table th:nth-child(3)::after {
  content: '推荐';
  position: absolute;
  top: -24px;
  right: 12px;
  background: var(--gradient-secondary);
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  white-space: nowrap;
}

.comparison-table th:nth-child(4) {
  background: var(--gradient-secondary);
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 700;
  color: var(--text-primary);
  background: rgba(26, 26, 26, 0.6);
  border-right: 2px solid rgba(0, 212, 255, 0.2);
}

/* 为不同版本的列添加背景色 - 使用网站主色调 */
.comparison-table td:nth-child(2) {
  background: rgba(26, 26, 26, 0.3);
}

.comparison-table td:nth-child(3) {
  background: rgba(0, 212, 255, 0.05);
  position: relative;
}

.comparison-table td:nth-child(4) {
  background: rgba(124, 58, 237, 0.05);
}

.comparison-table tbody tr:nth-child(even) td:first-child {
  background: rgba(26, 26, 26, 0.8);
}

.comparison-table tbody tr:nth-child(even) td:nth-child(2) {
  background: rgba(26, 26, 26, 0.5);
}

.comparison-table tbody tr:nth-child(even) td:nth-child(3) {
  background: rgba(0, 212, 255, 0.08);
}

.comparison-table tbody tr:nth-child(even) td:nth-child(4) {
  background: rgba(124, 58, 237, 0.08);
}

.comparison-table tbody tr:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.comparison-table tbody tr:hover td {
  color: #1e293b;
  font-weight: 600;
}

.comparison-table tbody tr:hover td:first-child {
  background: linear-gradient(145deg, rgba(0, 212, 255, 0.2) 0%, rgba(0, 255, 204, 0.1) 100%);
}

.comparison-table tbody tr:hover td:nth-child(3) {
  background: rgba(0, 212, 255, 0.15);
  box-shadow: inset 0 0 0 2px rgba(0, 212, 255, 0.3);
}

/* 功能对比表中的勾选和叉号样式 */
.comparison-table td:not(:first-child) {
  font-weight: 600;
  position: relative;
}

/* 自定义勾选和叉号样式 */
.comparison-table td:contains("✓") {
  color: #10b981;
  font-size: 1.4rem;
  font-weight: 800;
  text-shadow: 0 2px 4px rgba(16, 185, 129, 0.3);
}

.comparison-table td:contains("✗") {
  color: #ef4444;
  font-size: 1.4rem;
  font-weight: 800;
  text-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}

/* 增强版本差异化显示 */
.comparison-table td {
  font-weight: 600;
  font-size: 0.95rem;
  padding: 1.2rem;
  border-bottom: 1px solid rgba(226, 232, 240, 0.3);
  transition: all 0.3s ease;
}

/* 在线版列特殊效果 */
.comparison-table td:nth-child(2):not(:first-child) {
  font-weight: 600;
  color: var(--text-secondary);
}

/* 源码版列特殊效果 */
.comparison-table td:nth-child(3):not(:first-child) {
  font-weight: 700;
  color: var(--primary-color);
}

/* OEM版列特殊效果 */
.comparison-table td:nth-child(4):not(:first-child) {
  font-weight: 700;
  color: var(--accent-color);
}

/* FAQ样式 */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.faq-item {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.faq-item h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1a1a1a;
}

.faq-item p {
  color: #444444;
  line-height: 1.6;
}

/* 联系页面样式 */
.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.contact-method-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.9) 50%, rgba(255, 255, 255, 0.95) 100%);
  backdrop-filter: blur(15px);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  text-align: center;
  transition: all 0.4s ease;
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.contact-method-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, #0ea5e9 0%, #06b6d4 33%, #8b5cf6 66%, #ec4899 100%);
  border-radius: 20px 20px 0 0;
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}

.contact-method-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
}

.contact-method-card:hover::before {
  transform: scaleX(1);
}

.contact-method-icon {
  font-size: 2.8rem;
  margin-bottom: 1.5rem;
  color: #0ea5e9;
  filter: drop-shadow(0 2px 4px rgba(14, 165, 233, 0.2));
}

.contact-method-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1e293b;
  position: relative;
  z-index: 1;
}

.contact-method-card p {
  color: #64748b;
  margin-bottom: 1.5rem;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.contact-details div {
  margin-bottom: 0.8rem;
  color: #64748b;
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact-details strong {
  color: #1e293b;
  font-weight: 600;
}

/* 大型联系表单 */
.contact-form-section {
  max-width: 800px;
  margin: 0 auto;
}

.contact-form-large {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.9) 50%, rgba(255, 255, 255, 0.95) 100%);
  backdrop-filter: blur(15px);
  padding: 3rem;
  border-radius: 24px;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.contact-form-large::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, #0ea5e9 0%, #06b6d4 25%, #8b5cf6 50%, #ec4899 75%, #f59e0b 100%);
  border-radius: 24px 24px 0 0;
  pointer-events: none;
  opacity: 1;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
  }
}

.contact-form-large:hover::before {
  opacity: 1;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.contact-form-large .form-group label {
  display: block;
  margin-bottom: 0.8rem;
  font-weight: 600;
  color: #1e293b;
  font-size: 0.95rem;
}

.contact-form-large select,
.contact-form-large input,
.contact-form-large textarea {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid rgba(226, 232, 240, 0.6);
  border-radius: 12px;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  color: #334155;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.contact-form-large select:focus,
.contact-form-large input:focus,
.contact-form-large textarea:focus {
  outline: none;
  border-color: #0ea5e9;
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.15), 0 4px 12px rgba(14, 165, 233, 0.1);
  background: rgba(255, 255, 255, 1);
  transform: translateY(-1px);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  margin-right: 0.8rem;
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: '✓';
  color: white;
  font-size: 0.8rem;
  font-weight: bold;
}

/* 办公地址 */
.office-locations {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.office-card {
  background: var(--gradient-card);
  backdrop-filter: blur(15px);
  padding: 2.5rem;
  border-radius: 24px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.office-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
  border-color: rgba(0, 212, 255, 0.3);
}

.office-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(145deg, rgba(0, 212, 255, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  border-radius: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.office-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.office-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.office-icon {
  margin-right: 0.8rem;
  margin-top: 0.2rem;
}

/* 技术支持卡片 */
.support-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.support-card {
  background: var(--gradient-card);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  text-align: center;
  transition: all 0.4s ease;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.support-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(145deg, rgba(0, 212, 255, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  border-radius: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.support-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 212, 255, 0.2);
  border-color: rgba(0, 212, 255, 0.3);
}

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

.support-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  filter: drop-shadow(0 4px 8px rgba(0, 212, 255, 0.3));
  transition: all 0.3s ease;
}

.support-card:hover .support-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 6px 12px rgba(0, 212, 255, 0.4));
}

.support-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.support-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* FAQ列表样式 */
.faq-list {
  max-width: 800px;
  margin: 3rem auto 0;
}

.faq-list .faq-item {
  margin-bottom: 1rem;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.8rem;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 5px 15px rgba(0, 212, 255, 0.1);
}

.faq-question h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: #1a1a1a;
}

.faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary-color);
  transition: transform 0.3s ease;
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(10px);
}

.faq-answer p {
  padding: 1.8rem;
  margin: 0;
  color: #444444;
  line-height: 1.6;
}

/* 导航链接激活状态 */
.nav-link.active {
  color: var(--primary-color);
  font-weight: 600;
}

/* 功能亮点样式 */
.feature-highlights {
  margin: 1.5rem 0;
}

.highlight-item {
  margin: 0.8rem 0;
  padding: 0.5rem 0;
  border-left: 3px solid var(--primary-color);
  padding-left: 1rem;
  color: var(--text-secondary);
}

.highlight-item strong {
  color: var(--primary-color);
}

/* 额外的响应式调整 */
@media (max-width: 768px) {
  .support-options {
    grid-template-columns: 1fr;
  }

  .comparison-table-wrapper {
    font-size: 0.9rem;
  }
}

/* 表格动画效果 */
@keyframes tableSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.comparison-table-wrapper {
  animation: tableSlideIn 0.8s ease-out;
}

.comparison-table tbody tr {
  animation: fadeInUp 0.6s ease-out;
  animation-fill-mode: both;
}

.comparison-table tbody tr:nth-child(1) { animation-delay: 0.1s; }
.comparison-table tbody tr:nth-child(2) { animation-delay: 0.2s; }
.comparison-table tbody tr:nth-child(3) { animation-delay: 0.3s; }
.comparison-table tbody tr:nth-child(4) { animation-delay: 0.4s; }
.comparison-table tbody tr:nth-child(5) { animation-delay: 0.5s; }
.comparison-table tbody tr:nth-child(6) { animation-delay: 0.6s; }
.comparison-table tbody tr:nth-child(7) { animation-delay: 0.7s; }
.comparison-table tbody tr:nth-child(8) { animation-delay: 0.8s; }
.comparison-table tbody tr:nth-child(9) { animation-delay: 0.9s; }

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

/* 源码版列的特殊光效 */
.comparison-table td:nth-child(3)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(0, 212, 255, 0.1) 50%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.comparison-table tbody tr:hover td:nth-child(3)::before {
  opacity: 1;
  animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

  .contact-form-large {
    padding: 2rem;
  }

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

@media (max-width: 480px) {
  .contact-method-icon {
    font-size: 2.5rem;
  }

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

  .pricing-card.featured {
    transform: none;
  }

  .popular-badge {
    font-size: 0.8rem;
    padding: 0.4rem 1rem;
  }
}

/* 关于我们页面样式 - 现代化时间轴 */
.modern-timeline {
  position: relative;
  max-width: 1200px;
  margin: 4rem auto 0;
  padding: 3rem 0;
}

.modern-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 80px;
  bottom: 80px;
  width: 3px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
  border-radius: 2px;
  z-index: 0;
}

.modern-timeline .timeline-item {
  position: relative;
  margin-bottom: 6rem;
  display: flex;
  align-items: center;
  transition: all 0.4s ease;
  min-height: 200px;
}

.modern-timeline .timeline-item:nth-child(odd) {
  flex-direction: row;
}

.modern-timeline .timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-marker {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  background: var(--bg-primary);
  border: 4px solid var(--primary-color);
  border-radius: 50%;
  box-shadow: 0 0 0 10px var(--bg-primary), 0 0 0 12px rgba(0, 212, 255, 0.2);
  transition: all 0.3s ease;
}

.timeline-marker:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 0 0 10px var(--bg-primary), 0 0 0 15px rgba(0, 212, 255, 0.3);
}

.timeline-icon {
  font-size: 1.8rem;
}

.timeline-card {
  background: var(--gradient-card);
  backdrop-filter: blur(15px);
  padding: 2.5rem;
  border-radius: 24px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  flex: 1;
  max-width: 450px;
  border: 1px solid var(--border-color);
  position: relative;
  transition: all 0.4s ease;
  overflow: hidden;
}

.modern-timeline .timeline-item:nth-child(odd) .timeline-card {
  margin-right: 5rem;
  margin-left: 0;
}

.modern-timeline .timeline-item:nth-child(even) .timeline-card {
  margin-left: 5rem;
  margin-right: 0;
}

.timeline-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
  border-color: rgba(0, 212, 255, 0.3);
}

.timeline-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(145deg, rgba(0, 212, 255, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  border-radius: 24px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.timeline-year {
  display: inline-block;
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.timeline-card h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.timeline-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
  font-size: 1rem;
}

.timeline-tags {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.timeline-tags .tag {
  background: rgba(0, 212, 255, 0.1);
  color: var(--primary-color);
  padding: 0.4rem 1rem;
  border-radius: 16px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all 0.3s ease;
}

.timeline-tags .tag:hover {
  background: rgba(0, 212, 255, 0.2);
  transform: translateY(-1px);
}

/* 团队成员样式 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.team-member {
  background: rgba(255, 255, 255, 0.95);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.team-member::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.team-member:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0, 212, 255, 0.2);
}

.team-member:hover::before {
  transform: scaleX(1);
}

.member-avatar {
  font-size: 4.5rem;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.3));
}

.team-member h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1a1a1a;
}

.member-role {
  color: var(--primary-color);
  font-weight: 600;
  margin-bottom: 1rem;
  font-size: 1rem;
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

.member-description {
  color: #555555;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* 企业荣誉样式 */
.honors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.honor-item {
  background: rgba(255, 255, 255, 0.95);
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  border-top: 4px solid var(--primary-color);
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.honor-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.02) 0%, rgba(0, 255, 204, 0.02) 100%);
  pointer-events: none;
}

.honor-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.honor-icon {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.3));
}

.honor-item h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: #1a1a1a;
}

.honor-item p {
  color: #555555;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* 时间线响应式调整 */
@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    flex-direction: row !important;
    padding-left: 50px;
  }

  .timeline-item:nth-child(even) {
    flex-direction: row !important;
  }

  .timeline-date {
    position: absolute;
    left: -45px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
  }

  .timeline-content {
    margin: 0;
  }

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

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

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

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

  .member-avatar {
    font-size: 3rem;
  }

  .honor-icon {
    font-size: 2.5rem;
  }
}

/* 演示页面样式 */
.demo-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.demo-card {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 20px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.demo-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.demo-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary-color);
}

.demo-card:hover::before {
  transform: scaleX(1);
}

.demo-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
}

.demo-svg {
  width: 100%;
  height: 100%;
}

.demo-card h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.demo-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.demo-btn {
  width: 100%;
  justify-content: center;
}

/* 快速开始指南 */
.guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.step-number {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--bg-primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}

.step-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.step-content p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 演示提示 */
.demo-notice {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.demo-notice h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.notice-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.notice-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  text-align: left;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.notice-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.notice-item strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.notice-item p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* 演示页面响应式 */
@media (max-width: 768px) {
  .demo-options {
    grid-template-columns: 1fr;
  }

  .guide-steps {
    grid-template-columns: 1fr;
  }

  .notice-content {
    grid-template-columns: 1fr;
  }

  .step-item {
    flex-direction: column;
    text-align: center;
  }
}