/* 业务页面样式 */

/* Banner样式 */
.business-banner {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  overflow: hidden;
}

.business-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/n_banner1.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
  animation: bannerZoomIn 8s ease-out forwards;
}
@keyframes bannerZoomIn {
    0% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}
.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1;
}

.banner-content {
  position: relative;
  z-index: 2;
}

.banner-content h1 {
  font-size: 54px;
  font-weight: 700;
  margin-bottom: 30px;
}

.banner-content p {
  font-size: 18px;
  opacity: 0.9;
}

/* 业务介绍样式 */
.business-intro {
  padding: 60px 0;
  background-color: #ffffff;
}

.section-title {
  text-align: left;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 10px;
}
.section-title h2::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 24px;
    background-color: #39b058;
    margin-right: 10px;
    border-radius: 2px;
}


.intro-text {
  font-size: 1rem;
  color: #4b5563;
  line-height: 1.8;
  margin: 0 auto;
  text-align: left;
}

/* 业务项目样式 */
.business-projects {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.business-item {
  background-color: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  margin-bottom: 60px;
  transition: all 0.3s ease;
}

.business-item:hover {
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.project-image {
  padding: 30px;
}

.project-image img {
  border-radius: 8px;
  width: 100%;
  height: auto;
}

.project-content {
  padding: 30px;
}

.project-type {
  display: inline-block;
  font-size: 16px;
  font-weight: 600;
  color: #39b058;
  background-color: rgba(57, 176, 88, 0.1);
  padding: 8px 16px;
  border-radius: 8px;
  margin-bottom: 24px;
  border: 1px solid rgba(57, 176, 88, 0.2);
}

.project-content h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 20px;
}

.project-desc {
  font-size: 1rem;
  color: #4b5563;
  line-height: 1.8;
  margin-bottom: 30px;
}

.project-features {
  margin-top: 30px;
}

.feature-item {
  margin-bottom: 20px;
  padding-left: 20px;
  position: relative;
}

.feature-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background-color: #39b058;
  border-radius: 50%;
}

.feature-item h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 8px;
}

.feature-item p {
  font-size: 0.875rem;
  color: #4b5563;
  line-height: 1.6;
  margin-bottom: 0;
}

/* 项目案例样式 */
.project-case {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid #e5e7eb;
}

.project-case h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
}

.project-case h4::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  background-color: #39b058;
  margin-right: 10px;
  border-radius: 2px;
}

.project-case p {
  font-size: 0.9375rem;
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .business-banner {
    height: 300px;
  }
  
  .banner-content h1 {
    font-size: 2rem;
  }
  
  .business-intro {
    padding: 40px 0;
  }
  
  .business-projects {
    padding: 60px 0;
  }
  
  .business-item {
    margin-bottom: 40px;
  }
  
  .project-image,
  .project-content {
    padding: 20px;
  }
  
  .project-content h3 {
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .banner-content h1 {
    font-size: 1.75rem;
  }
  
  .banner-content p {
    font-size: 1rem;
  }
  
  .section-title h2 {
    font-size: 1.5rem;
  }
  
  .project-content h3 {
    font-size: 1.25rem;
  }
}