.launch-splash {
  width: 100%;
  height: 100%;
  position: absolute;
  display: flex;
  flex-direction: column;     /* 上下布局 */
  justify-content: center;    /* 纵向居中 */
  align-items: center;        /* 横向居中（关键） */
  background-color: black;
}
/* logo */
.splash-logo {
  width: 180px;        /* 按需改 */
  height: auto;
  margin-bottom: 20px;
}
.splash-tip-text {
  margin-top: 10px;
  color: #FFFFFF;
  font-size: .9rem;
  text-align: center;         /* 文字自身居中 */
}
/* 底部错误信息，水平居中，位于版本号上方 */
.splash-error-text {
  position: absolute;
  bottom: 30px;       /* 离底部 30px，可根据版本号高度调整 */
  left: 50%;
  transform: translateX(-50%);
  color: #b3b3b3;
  font-size: 0.85rem;
  text-align: center;
  white-space: normal;
  max-width: 90%;
  word-wrap: break-word;
  pointer-events: none; /* 不影响点击 */
  z-index: 100;
}
/* 右下角版本号 */
.splash-version-text {
  position: absolute;
  bottom: 10px;       /* 离底部 10px */
  right: 10px;        /* 离右边 10px */
  color: #AAAAAA;
  font-size: 0.75rem;
  text-align: right;
  white-space: nowrap;
  pointer-events: none;
  z-index: 100;
}
/* From Uiverse.io by Smit-Prajapati */ 
.loader {
  height: 2px;
  width: 220px;
  background: rgb(44, 44, 44);
  position: relative;
  overflow: hidden;
}
.loader .black_overlay {
  background: linear-gradient(
    87deg,
    rgb(0, 0, 0) 0%,
    rgba(0, 0, 0, 0.14) 30%,
    rgba(0, 0, 0, 0.14) 70%,
    rgb(0, 0, 0) 100%
  );
  position: absolute;
  inset: 0px;
}
.loader .light {
  width: 70px;
  height: 100%;
  position: absolute;
  left: -20%;
  top: 0px;
  background: linear-gradient(
    87deg,
    rgba(0, 0, 0, 0) 0%,
    rgb(0, 204, 255) 40%,
    rgb(0, 204, 255) 60%,
    rgba(0, 0, 0, 0) 100%
  );
  animation: light 2s infinite ease-in-out;
}

@keyframes light {
  from {
    left: -30%;
  }
  to {
    left: 100%;
  }
}