.announcement-container {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
}

.back-button {
  padding: 8px 16px;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 20px;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.back-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(30, 60, 114, 0.3);
}

.announcement-detail {
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.announcement-header {
  border-bottom: 1px solid #eee;
  padding-bottom: 20px;
  margin-bottom: 25px;
}

.announcement-header h1 {
  margin: 0 0 15px 0;
  font-size: 28px;
  color: #1e3c72;
  font-weight: 700;
}

.announcement-meta {
  display: flex;
  gap: 15px;
  color: #666;
  font-size: 14px;
  align-items: center;
}

.announcement-content {
  line-height: 1.8;
  font-size: 16px;
  color: #333;
}

.announcement-content p {
  margin: 0 0 20px 0;
}

.error-message {
  text-align: center;
  padding: 50px;
  color: #ff4d4f;
  font-size: 16px;
  background-color: #fff2f0;
  border-radius: 8px;
  border: 1px solid #ffccc7;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .announcement-container {
    padding: 0 15px;
    margin: 20px auto;
  }
  
  .announcement-detail {
    padding: 20px;
  }
  
  .announcement-header h1 {
    font-size: 22px;
  }
  
  .announcement-content {
    font-size: 15px;
  }
}