/* 1+5前沿肿瘤防治体系专题页面样式 */

/* 专题页面头部 */
.prevention-hero {
  background-image: linear-gradient(rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.65)), url("https://pic2.zhimg.com/100/v2-82bd5cdc9cfa095d476e15ca6515f4fd_r.jpg");
  background-size: cover;
  background-position: center;
  height: 600px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.prevention-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(42, 174, 103, 0.3) 0%, rgba(0, 0, 0, 0) 70%);
  z-index: 1;
  animation: pulse 8s infinite alternate;
}

@keyframes pulse {
  0% { opacity: 0.7; }
  100% { opacity: 1; }
}

.prevention-hero-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
  padding: 0 20px;
  color: white;
}

.prevention-hero h1 {
  font-size: 52px;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  color: white;
  position: relative;
  animation: fadeInDown 1.2s ease-out;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.prevention-hero h1::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: #2aae67;
  animation: expandWidth 1.5s ease-out;
}

@keyframes expandWidth {
  from { width: 0; }
  to { width: 80px; }
}

.prevention-hero .subtitle {
  font-size: 24px;
  margin: 30px 0;
  font-weight: 300;
  letter-spacing: 1px;
  animation: fadeIn 1.5s ease-out 0.3s both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.prevention-hero p {
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeIn 1.5s ease-out 0.6s both;
}

.hero-cta {
  display: inline-block;
  background: linear-gradient(45deg, #2aae67, #006d5b);
  color: white;
  padding: 15px 40px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  animation: fadeIn 1.5s ease-out 0.9s both;
  position: relative;
  overflow: hidden;
}

.hero-cta::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: all 0.6s ease;
}

.hero-cta:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

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

/* 导航栏 */
.prevention-nav {
  background-color: #fff;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.prevention-nav-container {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.prevention-nav-item {
  padding: 10px 20px;
  color: #333;
  font-weight: 600;
  text-decoration: none;
  border-radius: 30px;
  transition: all 0.3s ease;
  position: relative;
}

.prevention-nav-item:hover {
  color: #2aae67;
  background-color: rgba(42, 174, 103, 0.1);
}

.prevention-nav-item.active {
  color: white;
  background-color: #2aae67;
}

/* 系统介绍区域 */
.system-intro-section {
  padding: 100px 0;
  background-color: #f9f9f9;
  position: relative;
}

.system-intro-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232aae67' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.section-title h2 {
  font-size: 42px;
  color: #333;
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: #2aae67;
}

.section-title .subtitle {
  color: #666;
  font-size: 20px;
  max-width: 800px;
  margin: 30px auto 0;
  line-height: 1.7;
}

.intro-content {
  max-width: 1200px;
  margin: 0 auto;
}

.intro-highlight {
  background-color: rgba(42, 174, 103, 0.05);
  border-left: 5px solid #2aae67;
  padding: 25px;
  border-radius: 10px;
  font-size: 18px;
  line-height: 1.8;
  color: #333;
  margin-bottom: 40px;
}

.system-visual {
  margin: 50px 0;
  text-align: center;
}

.system-visual img {
  max-width: 100%;
  border-radius: 15px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

/* 系统概览 */
.system-overview {
  display: flex;
  margin: 60px 0;
  background-color: white;
  border-radius: 20px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.overview-left {
  flex: 1;
  padding: 40px;
  position: relative;
  background-color: rgba(42, 174, 103, 0.05);
}

.overview-number {
  font-size: 120px;
  font-weight: 700;
  color: rgba(42, 174, 103, 0.2);
  position: absolute;
  top: 20px;
  right: 30px;
  line-height: 1;
}

.overview-left h3 {
  font-size: 28px;
  color: #333;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

.overview-left p {
  font-size: 16px;
  line-height: 1.8;
  color: #555;
  position: relative;
  z-index: 2;
}

.overview-plus {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 700;
  color: #2aae67;
  width: 60px;
  background-color: #f9f9f9;
}

.overview-right {
  flex: 1.5;
  padding: 40px;
  position: relative;
}

.overview-right h3 {
  font-size: 28px;
  color: #333;
  margin-bottom: 30px;
  position: relative;
  z-index: 2;
}

.five-techniques {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  position: relative;
  z-index: 2;
}

.technique-item {
  background-color: white;
  padding: 20px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  text-align: center;
}

.technique-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.technique-icon {
  font-size: 36px;
  color: #2aae67;
  margin-bottom: 15px;
}

.technique-item h4 {
  font-size: 16px;
  color: #333;
  margin: 0;
}

.core-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin: 50px 0;
}

.benefit-card {
  display: flex;
  align-items: flex-start;
  background-color: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(42, 174, 103, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2aae67;
  font-size: 24px;
  margin-right: 20px;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.benefit-card:hover .benefit-icon {
  background-color: #2aae67;
  color: white;
}

.benefit-content h4 {
  font-size: 20px;
  color: #333;
  margin-bottom: 10px;
}

.benefit-content p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 精准早筛部分 */
.early-screening-section {
  padding: 100px 0;
  background-color: white;
}

.screening-content {
  max-width: 1200px;
  margin: 0 auto;
}

.screening-intro {
  max-width: 800px;
  margin: 0 auto 50px;
  font-size: 18px;
  line-height: 1.8;
  color: #333;
  text-align: center;
}

.screening-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin: 50px 0;
}

.stat-item {
  flex: 1;
  min-width: 200px;
  max-width: 250px;
  background-color: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  color: #2aae67;
  margin-bottom: 15px;
}

.stat-text {
  font-size: 15px;
  color: #555;
  line-height: 1.6;
}

.tech-title {
  font-size: 30px;
  color: #333;
  text-align: center;
  margin: 60px 0 40px;
  position: relative;
}

.tech-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #2aae67;
}

.key-technologies {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin: 50px 0;
}

.key-tech {
  display: flex;
  background-color: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.key-tech:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.key-tech-icon {
  width: 120px;
  background-color: rgba(42, 174, 103, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: #2aae67;
  transition: all 0.3s ease;
}

.key-tech:hover .key-tech-icon {
  background-color: #2aae67;
  color: white;
}

.key-tech-content {
  flex: 1;
  padding: 30px;
}

.key-tech-content h4 {
  font-size: 22px;
  color: #333;
  margin-bottom: 15px;
}

.key-tech-content p {
  font-size: 16px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 20px;
}

.tech-features {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.tech-feature {
  display: flex;
  align-items: center;
  background-color: rgba(42, 174, 103, 0.05);
  padding: 8px 15px;
  border-radius: 30px;
}

.tech-feature i {
  color: #2aae67;
  margin-right: 8px;
  font-size: 14px;
}

.tech-feature span {
  font-size: 14px;
  color: #333;
  font-weight: 500;
}

.screening-process {
  margin: 70px 0;
  background-color: #f9f9f9;
  padding: 60px;
  border-radius: 20px;
}

.screening-process h3 {
  font-size: 30px;
  color: #333;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.screening-process h3::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #2aae67;
}

.process-steps {
  max-width: 800px;
  margin: 0 auto;
}

.process-step {
  display: flex;
  margin-bottom: 30px;
  position: relative;
}

.process-step:last-child {
  margin-bottom: 0;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 60px;
  left: 25px;
  width: 2px;
  height: calc(100% - 30px);
  background-color: rgba(42, 174, 103, 0.3);
  z-index: 0;
}

.process-step:last-child::after {
  display: none;
}

.step-number {
  width: 50px;
  height: 50px;
  background-color: #2aae67;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  flex-shrink: 0;
  margin-right: 20px;
  position: relative;
  z-index: 1;
}

.step-content {
  background-color: white;
  padding: 20px 25px;
  border-radius: 10px;
  flex-grow: 1;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.step-content h4 {
  font-size: 18px;
  color: #333;
  margin-bottom: 10px;
}

.step-content p {
  margin: 0;
  color: #555;
  line-height: 1.6;
}

.early-detection-importance {
  margin: 70px 0;
  text-align: center;
}

.importance-title {
  margin-bottom: 50px;
}

.importance-title h3 {
  font-size: 30px;
  color: #333;
  margin-bottom: 15px;
}

.importance-title p {
  font-size: 18px;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

.importance-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 50px;
}

.importance-stat {
  flex: 1;
  max-width: 250px;
  text-align: center;
}

.stat-circle {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, #2aae67, #006d5b);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: white;
  font-size: 30px;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.importance-stat p {
  font-size: 16px;
  color: #333;
  line-height: 1.6;
}

/* 底部CTA区域 */
.prevention-cta {
  background: linear-gradient(135deg, #2aae67, #006d5b);
  color: white;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.prevention-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.prevention-cta h2 {
  font-size: 36px;
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
}

.prevention-cta p {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 30px;
  line-height: 1.7;
  position: relative;
  z-index: 2;
}

.cta-button {
  display: inline-block;
  background-color: white;
  color: #2aae67;
  padding: 15px 40px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 18px;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* 响应式适配 */
@media (max-width: 768px) {
  .prevention-hero {
    height: auto;
    padding: 100px 0;
  }
  
  .prevention-hero h1 {
    font-size: 36px;
  }
  
  .prevention-hero .subtitle {
    font-size: 20px;
  }
  
  .prevention-hero p {
    font-size: 16px;
  }
  
  .section-title h2 {
    font-size: 32px;
  }
  
  .prevention-nav-container {
    gap: 10px;
  }
  
  .prevention-nav-item {
    padding: 8px 15px;
    font-size: 14px;
  }
  
  .system-overview {
    flex-direction: column;
  }
  
  .overview-plus {
    width: 100%;
    height: 60px;
  }
  
  .core-benefits {
    grid-template-columns: 1fr;
  }
  
  .key-tech {
    flex-direction: column;
  }
  
  .key-tech-icon {
    width: 100%;
    height: 100px;
  }
  
  .screening-process {
    padding: 30px;
  }
  
  .importance-stats {
    flex-direction: column;
    align-items: center;
  }
  
  .importance-stat {
    max-width: 100%;
  }
  
  .prevention-cta h2 {
    font-size: 28px;
  }
  
  .prevention-cta p {
    font-size: 16px;
  }
}

/* 基因编辑与细胞免疫治疗部分 */
.gene-therapy-section {
  padding: 100px 0;
  background-color: #f9f9f9;
  position: relative;
}

.gene-therapy-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232aae67' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.therapy-content {
  max-width: 1200px;
  margin: 0 auto;
}

.therapy-intro {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
}

.therapy-image {
  flex: 1;
  max-width: 50%;
}

.therapy-image img {
  width: 100%;
  border-radius: 15px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.therapy-text {
  flex: 1;
}

.therapy-text p {
  font-size: 17px;
  line-height: 1.8;
  color: #333;
  margin-bottom: 20px;
}

.quote-block {
  background-color: rgba(42, 174, 103, 0.05);
  border-left: 5px solid #2aae67;
  padding: 25px;
  border-radius: 10px;
  position: relative;
}

.quote-block i {
  position: absolute;
  top: 15px;
  left: 15px;
  color: rgba(42, 174, 103, 0.3);
  font-size: 24px;
}

.quote-block p {
  padding-left: 30px;
  font-style: italic;
  margin: 0;
}

.therapy-types {
  margin: 60px 0;
}

.therapy-types h3 {
  font-size: 30px;
  color: #333;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.therapy-types h3::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #2aae67;
}

.types-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 30px;
}

.type-card {
  background-color: white;
  border-radius: 15px;
  padding: 30px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.type-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.type-icon {
  font-size: 40px;
  color: #2aae67;
  margin-bottom: 20px;
  text-align: center;
}

.type-card h4 {
  font-size: 20px;
  color: #333;
  margin-bottom: 15px;
  text-align: center;
}

.type-card p {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.type-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.type-feature {
  background-color: rgba(42, 174, 103, 0.1);
  padding: 5px 12px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  font-size: 14px;
}

.type-feature i {
  color: #2aae67;
  margin-right: 5px;
  font-size: 12px;
}

.tech-advantages {
  margin: 60px 0;
  background-color: white;
  padding: 50px;
  border-radius: 20px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
}

.tech-advantages h3 {
  font-size: 30px;
  color: #333;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.tech-advantages h3::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #2aae67;
}

.advantages-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.advantage-box {
  text-align: center;
  padding: 30px 20px;
  border-radius: 15px;
  background-color: #f9f9f9;
  transition: all 0.3s ease;
}

.advantage-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  background-color: white;
}

.advantage-box i {
  font-size: 36px;
  color: #2aae67;
  margin-bottom: 20px;
}

.advantage-box h4 {
  font-size: 20px;
  color: #333;
  margin-bottom: 15px;
}

.advantage-box p {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
}

.clinical-cases {
  margin: 60px 0;
}

.clinical-cases h3 {
  font-size: 30px;
  color: #333;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.clinical-cases h3::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #2aae67;
}

.cases-slider {
  display: flex;
  gap: 30px;
  overflow-x: auto;
  padding: 20px 10px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.cases-slider::-webkit-scrollbar {
  display: none;
}

.case-slide {
  min-width: 300px;
  background: linear-gradient(135deg, #2aae67, #006d5b);
  color: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  flex: 1;
}

.case-icon {
  font-size: 36px;
  margin-bottom: 20px;
  opacity: 0.8;
}

.case-slide h4 {
  font-size: 20px;
  margin-bottom: 15px;
}

.case-slide p {
  font-size: 15px;
  line-height: 1.7;
  opacity: 0.9;
}

.therapy-process {
  margin: 60px 0;
}

.therapy-process h3 {
  font-size: 30px;
  color: #333;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.therapy-process h3::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #2aae67;
}

.process-timeline {
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  display: flex;
  margin-bottom: 30px;
}

.timeline-marker {
  width: 100px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.marker-icon {
  width: 60px;
  height: 60px;
  background-color: #2aae67;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  margin-bottom: 15px;
  position: relative;
  z-index: 2;
}

.marker-line {
  width: 2px;
  height: 100%;
  background-color: rgba(42, 174, 103, 0.3);
  position: absolute;
  top: 60px;
  bottom: 0;
  z-index: 1;
}

.timeline-item:last-child .marker-line {
  display: none;
}

.timeline-content {
  flex: 1;
  background-color: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.timeline-content h4 {
  font-size: 20px;
  color: #333;
  margin-bottom: 10px;
}

.timeline-content p {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
  margin: 0;
}

/* 分子靶向部分 */
.targeted-therapy-section {
  padding: 100px 0;
  background-color: white;
}

.targeted-content {
  max-width: 1200px;
  margin: 0 auto;
}

.targeted-intro {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
}

.intro-left {
  flex: 1;
}

.intro-left p {
  font-size: 17px;
  line-height: 1.8;
  color: #333;
  margin-bottom: 20px;
}

.intro-right {
  flex: 1;
}

.tech-illustration {
  width: 100%;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.tech-illustration img {
  width: 100%;
  display: block;
}

.targeted-approach {
  margin: 60px 0;
  background-color: #f9f9f9;
  padding: 50px;
  border-radius: 20px;
}

.targeted-approach h3 {
  font-size: 30px;
  color: #333;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.targeted-approach h3::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #2aae67;
}

.approach-steps {
  display: flex;
  justify-content: space-between;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.approach-steps::before {
  content: '';
  position: absolute;
  top: 25px;
  left: 50px;
  right: 50px;
  height: 2px;
  background-color: rgba(42, 174, 103, 0.3);
  z-index: 1;
}

.approach-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 220px;
  position: relative;
  z-index: 2;
}

.step-number {
  width: 50px;
  height: 50px;
  background-color: #2aae67;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}

.step-details h4 {
  font-size: 18px;
  color: #333;
  margin-bottom: 10px;
}

.step-details p {
  font-size: 14px;
  color: #555;
  line-height: 1.6;
}

.targeted-types {
  margin: 60px 0;
}

.targeted-types h3 {
  font-size: 30px;
  color: #333;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.targeted-types h3::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #2aae67;
}

.types-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 30px;
}

.target-type {
  background-color: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.target-type:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.highlight-type {
  border: 2px solid #2aae67;
  transform: scale(1.05);
}

.highlight-type:hover {
  transform: scale(1.05) translateY(-10px);
}

.type-header {
  background-color: #f9f9f9;
  padding: 20px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.highlight-type .type-header {
  background: linear-gradient(135deg, rgba(42, 174, 103, 0.2), rgba(0, 109, 91, 0.2));
}

.type-header i {
  font-size: 30px;
  color: #2aae67;
  margin-right: 15px;
}

.type-header h4 {
  font-size: 18px;
  color: #333;
  margin: 0;
}

.type-body {
  padding: 20px;
}

.type-body p {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 20px;
}

.examples {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.example {
  background-color: rgba(42, 174, 103, 0.1);
  padding: 8px 15px;
  border-radius: 30px;
  font-size: 14px;
  color: #333;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.example span {
  font-size: 12px;
  color: #666;
  margin-top: 3px;
}

.adc-spotlight {
  margin: 80px 0;
  background-color: #f9f9f9;
  padding: 50px;
  border-radius: 20px;
}

.adc-spotlight h3 {
  font-size: 30px;
  color: #333;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.adc-spotlight h3::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #2aae67;
}

.spotlight-intro {
  font-size: 18px;
  color: #333;
  line-height: 1.7;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
}

.adc-components {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-bottom: 40px;
}

.component {
  display: flex;
  align-items: flex-start;
  background-color: white;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  max-width: 350px;
  flex: 1;
}

.component-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(42, 174, 103, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2aae67;
  font-size: 20px;
  margin-right: 15px;
  flex-shrink: 0;
}

.component-text h4 {
  font-size: 18px;
  color: #333;
  margin-bottom: 10px;
}

.component-text p {
  font-size: 14px;
  color: #555;
  line-height: 1.6;
  margin: 0;
}

.adc-workflow {
  text-align: center;
  margin-top: 40px;
}

.adc-workflow img {
  max-width: 100%;
  border-radius: 10px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.precise-medicine {
  margin: 60px 0;
}

.precise-medicine h3 {
  font-size: 30px;
  color: #333;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.precise-medicine h3::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: #2aae67;
}

.medicine-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.medicine-card {
  background-color: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: all 0.3s ease;
}

.medicine-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.card-icon {
  width: 80px;
  height: 80px;
  background-color: rgba(42, 174, 103, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #2aae67;
  font-size: 30px;
  margin: 0 auto 20px;
  transition: all 0.3s ease;
}

.medicine-card:hover .card-icon {
  background-color: #2aae67;
  color: white;
  transform: rotateY(360deg);
  transition: all 0.5s ease;
}

.medicine-card h4 {
  font-size: 20px;
  color: #333;
  margin-bottom: 15px;
}

.medicine-card p {
  font-size: 15px;
  color: #555;
  line-height: 1.7;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .therapy-intro {
    flex-direction: column;
  }
  
  .therapy-image {
    max-width: 100%;
  }
  
  .types-grid {
    grid-template-columns: 1fr;
  }
  
  .advantages-container {
    grid-template-columns: 1fr;
  }
  
  .cases-slider {
    flex-direction: column;
  }
  
  .case-slide {
    min-width: auto;
  }
  
  .timeline-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .timeline-marker {
    margin-bottom: 20px;
  }
  
  .targeted-intro {
    flex-direction: column;
  }
  
  .approach-steps {
    flex-direction: column;
    align-items: center;
  }
  
  .approach-steps::before {
    display: none;
  }
  
  .approach-step {
    margin-bottom: 30px;
  }
  
  .types-container {
    grid-template-columns: 1fr;
  }
  
  .highlight-type {
    transform: scale(1);
  }
  
  .highlight-type:hover {
    transform: translateY(-10px);
  }
  
  .adc-components {
    flex-direction: column;
    align-items: center;
  }
  
  .medicine-cards {
    grid-template-columns: 1fr;
  }
}