#index {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  z-index: 10;
  background-color: #fe304c;
}

#index .title {
  font-size: 82px;
  font-weight: bold;
  color: #fff;
}

/* 首页英雄区域 */
#hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #fe304c 0%, #ff6b6b 100%);
  color: #fff;
  text-align: center;
  padding: 0 20px;
}

#hero .hero-content {
  max-width: 800px;
}

#hero .title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

#hero .subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  margin-bottom: 30px;
  opacity: 0.9;
}

#hero .cta-button {
  display: inline-block;
  background: #fff;
  color: #fe304c;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#hero .cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* 功能区域 */
#features {
  padding: 80px 20px;
  background: #f8f9fa;
}

#features .features-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

#features h2 {
  font-size: 2.5rem;
  color: #333;
  margin-bottom: 50px;
}

#features .features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

#features .feature-item {
  background: #fff;
  padding: 40px 30px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

#features .feature-item:hover {
  transform: translateY(-5px);
}

#features .feature-item h3 {
  font-size: 1.5rem;
  color: #fe304c;
  margin-bottom: 15px;
}

#features .feature-item p {
  color: #666;
  line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
  #hero {
    min-height: 80vh;
  }

  #features {
    padding: 60px 15px;
  }

  #features .features-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  #features .feature-item {
    padding: 30px 20px;
  }
}

@media (max-width: 480px) {
  #hero {
    min-height: 70vh;
  }

  #features {
    padding: 40px 10px;
  }
}