/* 背景图片配置 */
#web_bg {
  position: fixed;
  z-index: -999;
  width: 100%;
  height: 100%;
  background: url(https://source.fomal.cc/img/dm12.webp);
  background-attachment: local;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

/* 深色模式背景 */
[data-theme="dark"] #web_bg {
  background: url(https://source.fomal.cc/img/dm7.webp);
  background-attachment: local;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

/* 移动端响应式背景 */
@media screen and (max-width: 800px) {
  #web_bg {
    background: url(https://pic-bed-b1w.pages.dev/img/wallhaven-ex5m8w.jpg);
    background-attachment: local !important;
    background-position: center !important;
    background-size: cover !important;
    background-repeat: no-repeat !important;
  }

  [data-theme="dark"] #web_bg {
    background: url(https://pic-bed-b1w.pages.dev/img/p2.jpg);
    background-attachment: local !important;
    background-position: center !important;
    background-size: cover !important;
    background-repeat: no-repeat !important;
  }
}