/* loading.css */
.global-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.4s, visibility 0.4s;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #d63031;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 16px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.global-loading p {
  color: #555;
  font-size: 1.1rem;
}

/* 主内容动画（需配合 JS 添加 .loaded 类） */
.main-content {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

body.loaded .main-content {
  opacity: 1;
  transform: translateY(0);
}