.primary-cta-button {
  background: white;
  color: #667eea;
  padding: 18px 40px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.primary-cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

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

.primary-cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.secondary-cta-button {
  background: transparent;
  color: white;
  padding: 18px 40px;
  border: 2px solid white;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.secondary-cta-button:hover {
  background: white;
  color: #667eea;
  transform: translateY(-3px);
}

/* 全宽模块样式 */
.content-section {
  width: 100%;
  padding: 100px 0;
}

.content-section:nth-child(odd) {
  background: #f8f9fa;
}

.content-section:nth-child(even) {
  background: white;
}

/* 为什么要按时年审模块 - 改为一行四列 */
.why-annual-section {
  background: white;
  padding: 100px 0;
}

.why-annual-section h2 {
  color: #2c3e50;
  font-size: 2.8rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 700;
}

.section-subtitle {
  text-align: center;
  color: #666;
  font-size: 1.2rem;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.why-annual-return {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.reason-card {
  background: white;
  padding: 35px 25px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 2px solid transparent;
  transition: all 0.3s ease;
  text-align: center;
}

.reason-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(102, 126, 234, 0.2);
  border-color: #667eea;
}

.reason-card h3 {
  color: #2c3e50;
  font-size: 1.3rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.reason-card .card-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  fill: #667eea;
}

.reason-card p {
  color: #666;
  line-height: 1.8;
  font-size: 0.95rem;
}

/* 年审时间要求模块 */
.timeline-section {
  color: white;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.timeline-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"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.03)"/></svg>') repeat;
  background-size: 50px 50px;
  animation: float 20s linear infinite;
  opacity: 0.4;
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }

  100% {
    transform: translateY(-50px);
  }
}

.timeline-section h2 {
  color: #2c3e50;
  font-size: 2.8rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 700;
  position: relative;
  z-index: 2;
}

.timeline-section .section-subtitle {
  text-align: center;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 2;
}

.timeline-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 60px;
  position: relative;
  z-index: 2;
}

.timeline-item {
  background: rgba(255, 255, 255, 0.95);
  padding: 40px 30px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.8);
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.timeline-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 1);
  border-color: #667eea;
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.25);
}

.timeline-item h3 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  color: #2c3e50;
  font-weight: 700;
  text-shadow: none;
}

.timeline-item p {
  line-height: 1.8;
  font-size: 1rem;
  color: #666;
  text-shadow: none;
  font-weight: 500;
}

/* 年审事项模块 */
.annual-items-section {
  background: #f8f9fa;
  padding: 100px 0;
}

.annual-items-section h2 {
  color: #2c3e50;
  font-size: 2.8rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 700;
}

.annual-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.item-card {
  background: white;
  padding: 35px 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  border-left: 4px solid #667eea;
  transition: all 0.3s ease;
}

.item-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(102, 126, 234, 0.15);
  border-left-width: 6px;
}

.item-card h4 {
  color: #2c3e50;
  font-size: 1.2rem;
  margin-bottom: 15px;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.item-card .item-icon {
  width: 24px;
  height: 24px;
  margin-right: 12px;
  fill: #667eea;
  flex-shrink: 0;
}

.item-card p {
  color: #666;
  line-height: 1.7;
  font-size: 1rem;
}

.services-section h2 {
  color: #2c3e50;
  font-size: 2.8rem;
  margin-bottom: 20px;
  text-align: center;
  font-weight: 700;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.service-card {
  background: white;
  padding: 35px 25px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
  border-color: #667eea;
}

.service-card .service-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 25px;
  fill: #667eea;
}

.service-card h3 {
  color: #2c3e50;
  font-size: 1.3rem;
  margin-bottom: 20px;
  font-weight: 600;
}

.service-card p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 25px;
  font-size: 0.95rem;
}

.service-features {
  list-style: none;
  text-align: left;
  padding: 0;
}

.service-features li {
  padding: 6px 0;
  color: #555;
  position: relative;
  padding-left: 25px;
  font-size: 0.9rem;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%2328a745"><path d="M9 16.2L4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4L9 16.2z"/></svg>');
  background-size: contain;
}

/* 联系CTA模块 */
.contact-cta {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  animation: gradientShift 8s ease-in-out infinite;
}

.contact-cta h2 {
  font-size: 3rem;
  margin-bottom: 25px;
  color: white;
  font-weight: 700;
  position: relative;
  z-index: 2;
}

.contact-cta p {
  font-size: 1.3rem;
  margin-bottom: 40px;
  opacity: 0.9;
  position: relative;
  z-index: 2;
}

.cta-buttons {
  display: flex;
  gap: 25px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.btn-primary-cta {
  background: white;
  color: #667eea;
  padding: 18px 40px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-primary-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.btn-secondary-cta {
  background: transparent;
  color: white;
  padding: 18px 40px;
  border: 2px solid white;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.btn-secondary-cta:hover {
  background: white;
  color: #667eea;
  transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 1200px) {

  .why-annual-return,
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .annual-hero h1 {
    font-size: 2.8rem;
  }

  .annual-hero .subtitle {
    font-size: 1.1rem;
  }

  .content-section {
    padding: 60px 0;
  }

  .why-annual-return,
  .timeline-content,
  .annual-items,
  .services-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .hero-actions,
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .primary-cta-button,
  .secondary-cta-button,
  .btn-primary-cta,
  .btn-secondary-cta {
    width: 100%;
    max-width: 300px;
  }

  .reason-card,
  .service-card {
    padding: 30px 20px;
  }
}