/* InfoCards.css */

.cards-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(14, 165, 233, 0.1);
  padding: 30px;
  border: 1px solid rgba(14, 165, 233, 0.2);
  transition: all 0.3s ease;
  align-self: start; /* 让每个卡片独立控制高度，不受Grid布局影响 */
}

.card:hover {
  box-shadow: 0 12px 40px rgba(14, 165, 233, 0.4), 0 0 0 1px rgba(14, 165, 233, 0.3);
  transform: translateY(-2px);
}

.card-header {
  margin-bottom: 0;
  text-align: center;
  position: relative;
  padding-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.card-header:not(.clickable) {
  margin-bottom: 30px;
}

.card-header.clickable {
  cursor: pointer;
  user-select: none;
  transition: all 0.3s ease;
  min-height: 140px; /* 确保两个卡片头部高度一致 */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-header.clickable:hover {
  opacity: 0.8;
}

.card-header h2 {
  color: #2c3e50;
  margin-bottom: 8px;
  font-size: 1.5rem;
}

.card-header p {
  color: #7f8c8d;
  font-size: 0.9rem;
  line-height: 1.5;
}

.ai-emphasis {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0ea5e9 100%);
  color: #ffffff !important;
  padding: 15px;
  border-radius: 8px;
  font-weight: 600;
  margin-top: 10px;
  box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
  border: 1px solid rgba(14, 165, 233, 0.2);
}

.card-header .ai-emphasis {
  color: #ffffff !important;
}

.investment-field-badge {
  margin-top: 10px;
}

.ai-tag {
  background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #0891b2 100%);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.applicant-badge {
  margin-top: 10px;
}

.applicant-tag {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 50%, #0b7285 100%);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.card-form {
  display: none; /* 默认隐藏 */
  flex-direction: column;
  gap: 20px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #e1e5e9;
  overflow: hidden;
}

/* 展开状态 */
.card-form.expanded {
  display: flex;
  animation: slideDown 0.3s ease-out;
  -webkit-animation: slideDown 0.3s ease-out; /* Safari支持 */
}

@keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    margin-top: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    max-height: 2000px;
    padding-top: 20px;
    margin-top: 20px;
    transform: translateY(0);
  }
}

@-webkit-keyframes slideDown {
  from {
    opacity: 0;
    max-height: 0;
    padding-top: 0;
    margin-top: 0;
    -webkit-transform: translateY(-10px);
  }
  to {
    opacity: 1;
    max-height: 2000px;
    padding-top: 20px;
    margin-top: 20px;
    -webkit-transform: translateY(0);
  }
}

.expand-icon {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.2rem;
  color: #7f8c8d;
  transition: transform 0.3s ease;
  flex-shrink: 0; /* 防止被压缩 */
}

.card-header.clickable:hover .expand-icon {
  color: #2c3e50;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.investor-custom-amount-group {
  display: none;
}

.investor-custom-amount-group.visible {
  display: flex;
  flex-direction: column;
}

.form-label {
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.required {
  color: #e74c3c;
  margin-left: 4px;
}

.form-input, .file-input {
  padding: 12px;
  border: 2px solid #ecf0f1;
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.3s ease;
}

.investor-card .form-input:focus, 
.investor-card .file-input:focus {
  outline: none;
  border-color: #0ea5e9;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.applicant-card .form-input:focus, 
.applicant-card .file-input:focus {
  outline: none;
  border-color: #06b6d4;
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-input::placeholder {
  color: #bdc3c7;
}

.readonly-field {
  background-color: #f5f5f5;
  color: #666;
  cursor: not-allowed;
  border: 2px solid #e1e5e9;
}

.file-hint {
  color: #7f8c8d;
  font-size: 0.8rem;
  margin-top: 5px;
}

.submit-btn {
  background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
  color: white;
  padding: 14px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease;
  margin-top: 10px;
}

.ai-submit-btn {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  font-size: 18px;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14, 165, 233, 0.5);
  filter: brightness(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .cards-container {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 15px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: 20px;
  }
  
  .ai-emphasis {
    font-size: 0.8rem;
    padding: 10px;
  }
  
  .card-header h2 {
    font-size: 1.3rem;
  }
  
  .page-header h1 {
    font-size: 2rem;
  }
}

/* 极小型设备适配 */
@media (max-width: 480px) {
  .cards-container {
    padding: 10px;
    gap: 15px;
  }
  
  .card {
    padding: 15px;
  }
  
  .card-header h2 {
    font-size: 1.1rem;
  }
  
  .card-header p {
    font-size: 0.85rem;
  }
  
  .form-input, .file-input {
    padding: 10px;
    font-size: 13px;
  }
  
  .submit-btn {
    padding: 12px;
    font-size: 14px;
  }
  
  .page-header {
    padding: 15px;
    margin-bottom: 30px;
  }
  
  .page-header h1 {
    font-size: 1.5rem;
  }
  
  .page-header p {
    font-size: 0.9rem;
  }
}

.investor-card {
  border-top: 4px solid #0ea5e9;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 4px 0 0 rgba(14, 165, 233, 0.6);
}

.investor-card .submit-btn {
  background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
  box-shadow: 0 4px 15px rgba(14, 165, 233, 0.4);
}

.applicant-card {
  border-top: 4px solid #06b6d4;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 4px 0 0 rgba(6, 182, 212, 0.6);
}

.applicant-card .submit-btn {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

/* 校企合作卡片样式 */
.university-card {
  border-top: 4px solid #10b981;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 4px 0 0 rgba(16, 185, 129, 0.6);
}

.university-card .submit-btn {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.cooperation-badge {
  margin-top: 10px;
}

.cooperation-tag {
  background: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.university-card .form-input:focus, 
.university-card .file-input:focus {
  outline: none;
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* 开放日参观卡片样式 */
.open-day-card {
  border-top: 4px solid #f59e0b;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 4px 0 0 rgba(245, 158, 11, 0.6);
}

.open-day-card .submit-btn {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.visit-badge {
  margin-top: 10px;
}

.visit-tag {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 50%, #b45309 100%);
  color: white;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.open-day-card .form-input:focus, 
.open-day-card .file-input:focus {
  outline: none;
  border-color: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}