/* 招商信息页面专用样式 */
.business-intro {
  background-color: #fff;
}

.business-content {
  max-width: 900px;
  margin: 0 auto;
}

.business-content p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
  color: #555;
}

/* 合作优势卡片 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 2rem;
}

.advantage-card {
  background: #fff;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: all 0.3s ease;
}

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

.advantage-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.advantage-icon i {
  font-size: 32px;
  color: #fff;
}

.advantage-card h3 {
  margin-bottom: 1rem;
  font-size: 1.4rem;
  color: #333;
}

.advantage-card p {
  color: #666;
  line-height: 1.6;
}

/* 合作模式选项卡 */
.model-tabs {
  margin-top: 2rem;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.tab-navigation {
  display: flex;
  background: #f5f5f5;
  border-bottom: 1px solid #eee;
}

.tab-btn {
  padding: 1rem 2rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  color: #555;
  transition: all 0.3s ease;
  flex-grow: 1;
  text-align: center;
}

.tab-btn.active {
  background: #fff;
  color: var(--primary-color);
  border-bottom: 3px solid var(--primary-color);
}

.tab-content {
  padding: 2rem;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

.tab-pane h3 {
  margin-bottom: 1rem;
  color: #333;
  font-size: 1.5rem;
}

.tab-pane p {
  margin-bottom: 1.5rem;
  line-height: 1.7;
  color: #555;
}

.model-features {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
}

.model-features li {
  display: flex;
  align-items: center;
  padding: 0.75rem 0;
}

.model-features li i {
  color: var(--primary-color);
  margin-right: 10px;
}

/* 合作流程 */
.process-steps {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-top: 3rem;
  flex-wrap: wrap;
  gap: 20px;
}

@media (min-width: 768px) {
  .process-steps:before {
    content: "";
    position: absolute;
    top: 70px;
    left: 60px;
    right: 60px;
    height: 2px;
    background: #e0e0e0;
    z-index: 1;
  }
}

.process-step {
  flex: 1 1 200px;
  text-align: center;
  position: relative;
  z-index: 2;
  padding: 1rem;
}

.step-icon {
  width: 100px;
  height: 100px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  border: 5px solid #f0f0f0;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.step-icon i {
  font-size: 40px;
  color: var(--primary-color);
}

.step-number {
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--primary-color);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 14px;
}

.process-step:hover .step-icon {
  transform: scale(1.1);
  border-color: var(--primary-color);
}

.process-step h3 {
  margin: 1rem 0;
  color: #333;
}

.process-step p {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* CTA区域 */
.contact-action {
  background: linear-gradient(135deg, #4a90e2, #5cb85c);
  color: white;
}

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.cta-text {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-outline {
  border: 2px solid white;
  color: white;
}

.btn-outline:hover {
  background: white;
  color: var(--primary-color);
}

/* 模态框 */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  overflow: auto;
}

.modal-content {
  background-color: #fff;
  margin: 15% auto;
  padding: 30px;
  border-radius: 8px;
  width: 80%;
  max-width: 500px;
  position: relative;
  animation: modalFadeIn 0.3s ease;
}

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

.close-modal {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 28px;
  font-weight: bold;
  color: #999;
  cursor: pointer;
}

.modal-content h2 {
  margin-bottom: 20px;
  color: #333;
  text-align: center;
}

.modal-info {
  padding: 15px;
  background: #f9f9f9;
  border-radius: 6px;
}

.modal-info p {
  margin: 15px 0;
  display: flex;
  align-items: center;
}

.modal-info i {
  margin-right: 15px;
  color: var(--primary-color);
  width: 20px;
}

.modal-note {
  font-size: 0.9rem;
  color: #888;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px dashed #ddd;
}

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

/* 响应式调整 */
@media (max-width: 768px) {
  .advantage-card,
  .process-step {
    margin-bottom: 20px;
  }

  .tab-navigation {
    flex-direction: column;
  }

  .tab-btn {
    border-bottom: 1px solid #eee;
  }

  .tab-btn.active {
    border-bottom: 1px solid #eee;
    border-left: 3px solid var(--primary-color);
  }

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

  .process-steps {
    flex-direction: column;
  }

  .process-steps:before {
    display: none;
  }
}