/* 官方公告弹窗样式 */
.official-announcement-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.official-announcement-overlay.show {
  opacity: 1;
  visibility: visible;
}

.official-announcement-modal {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  max-width: 90%;
  width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease;
  position: relative;
}

.official-announcement-overlay.show .official-announcement-modal {
  transform: scale(1);
}

.official-announcement-header {
  padding: 24px 30px;
  border-bottom: 1px solid #e5e5e5;
  text-align: center;
}

.official-announcement-title {
  font-size: 24px;
  font-weight: 600;
  color: #333333;
  margin: 0;
}

.official-announcement-body {
  padding: 30px;
  text-align: center;
}

.official-announcement-content {
  font-size: 16px;
  line-height: 1.8;
  color: #666666;
  margin: 0 0 30px 0;
}

.official-announcement-buttons {
  display: flex !important;
  flex-direction: row !important;
  gap: 10px;
  justify-content: space-between;
  align-items: stretch;
}

.official-announcement-btn {
  background-color: #007bff !important;
  color: #ffffff !important;
  border: none;
  border-radius: 6px;
  padding: 10px 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  flex: 1 1 0;
  white-space: nowrap;
  min-width: 0;
  width: 0;
  box-sizing: border-box;
}

.official-announcement-btn:hover {
  background-color: #0056b3;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.official-announcement-btn:active {
  transform: translateY(0);
}

.official-announcement-btn.close-btn {
  background-color: #007bff !important;
}

.official-announcement-btn.close-btn:hover {
  background-color: #0056b3 !important;
}

/* 移动端适配 */
@media (max-width: 768px) {
  .official-announcement-modal {
    width: 95%;
    max-width: 95%;
    margin: 20px;
  }

  .official-announcement-header {
    padding: 20px;
  }

  .official-announcement-title {
    font-size: 20px;
  }

  .official-announcement-body {
    padding: 20px;
  }

  .official-announcement-content {
    font-size: 14px;
    margin-bottom: 20px;
  }

  .official-announcement-buttons {
    gap: 8px;
  }

  .official-announcement-btn {
    padding: 8px 6px;
    font-size: 13px;
    flex: 1 1 0;
    width: 0;
  }
}

/* 小屏幕适配 */
@media (max-width: 480px) {
  .official-announcement-modal {
    width: 100%;
    max-width: 100%;
    border-radius: 0;
    max-height: 100vh;
  }

  .official-announcement-header {
    padding: 16px;
  }

  .official-announcement-title {
    font-size: 18px;
  }

  .official-announcement-body {
    padding: 16px;
  }

  .official-announcement-content {
    font-size: 13px;
    margin-bottom: 16px;
  }

  .official-announcement-buttons {
    flex-wrap: wrap;
    gap: 6px;
  }

  .official-announcement-btn {
    padding: 8px 10px;
    font-size: 12px;
    flex: 1 1 calc(50% - 3px);
    min-width: 0;
  }
}