.case-detail-container {
  width: 100%;
  min-width: 1200px;
  background-color: #fff;
  padding-top: 100px;
  padding-bottom: 80px;
}

.breadcrumb {
  width: 1200px;
  margin: 0 auto;
  padding: 20px 0;
  font-size: 14px;
  color: #999;
}

.breadcrumb a {
  color: #666;
  text-decoration: none;
  transition: color 0.3s;
}

.breadcrumb a:hover {
  color: #0064f4;
}

.breadcrumb span {
  margin: 0 10px;
  color: #ccc;
}

.case-detail-content {
  width: 1200px;
  margin: 0 auto;
}

.case-header {
  display: flex;
  margin-bottom: 60px;
  background-color: #f8f9fa;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.case-image {
  width: 500px;
  height: 500px;
  overflow: hidden;
  flex-shrink: 0;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-info {
  flex: 1;
  padding: 50px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-info h1 {
  font-size: 36px;
  color: #333;
  margin-bottom: 20px;
  font-weight: bold;
}

.case-subtitle {
  font-size: 20px;
  color: #0064f4;
  margin-bottom: 30px;
  font-weight: 500;
}

.case-description {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
}

.case-body {
  margin-bottom: 60px;
}

.case-section {
  margin-bottom: 50px;
}

.case-section h2 {
  font-size: 28px;
  color: #333;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 2px solid #0064f4;
  position: relative;
}

.case-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 80px;
  height: 2px;
  background-color: #0064f4;
}

.case-text {
  font-size: 16px;
  color: #666;
  line-height: 2;
  text-align: justify;
}

.features-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-item {
  background-color: #f8f9fa;
  padding: 25px;
  border-radius: 10px;
  border-left: 4px solid #0064f4;
  transition: all 0.3s;
}

.feature-item:hover {
  background-color: #f0f5ff;
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 100, 244, 0.1);
}

.feature-item h3 {
  font-size: 18px;
  color: #333;
  margin-bottom: 10px;
  font-weight: 600;
}

.feature-item p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin: 0;
}

.case-footer {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid #eee;
}

.back-btn {
  display: inline-block;
  padding: 15px 50px;
  background-color: #0064f4;
  color: #fff;
  text-decoration: none;
  border-radius: 30px;
  font-size: 16px;
  transition: all 0.3s;
}

.back-btn:hover {
  background-color: #0052cc;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 100, 244, 0.3);
}

/* 响应式设计 */
@media (max-width: 1280px) {
  .case-detail-container,
  .breadcrumb,
  .case-detail-content {
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
  }

  .case-header {
    flex-direction: column;
  }

  .case-image {
    width: 100%;
    height: 400px;
  }

  .features-list {
    grid-template-columns: 1fr;
  }
}