/* 页脚与头图透明 */
#footer {
  background: transparent !important;
}
#page-header {
  background: transparent !important;
}

/* 白天模式遮罩透明 */
#footer::before {
  background: transparent !important;
}
#page-header::before {
  background: transparent !important;
}

/* 夜间模式遮罩透明 */
[data-theme="dark"] #footer::before {
  background: transparent !important;
}
[data-theme="dark"] #page-header::before {
  background: transparent !important;
}

/* Ensure global background image is visible on mobile and dark mode */
body,
[data-theme="dark"] body {
  background: transparent !important;
}

/* Disable dark overlay that can make mobile background look black */
#web_bg::before,
[data-theme="dark"] #web_bg::before {
  background: transparent !important;
}