#loader-container {
   position: fixed; /* 或 absolute，根据需求 */
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   z-index: 99999; /* 确保在最上层 */
   display: flex;
   justify-content: center;
   align-items: center;
   background: rgba(0, 0, 0, 0.7); /* 可选：添加背景以增加可见性 */
}

.loader,
.loader-inner,
.loader-line-wrap,
.loader-line {
    position: absolute; /* 或 fixed，根据需要选择 */
    z-index: 99999; /* 确保在最上层 */
}

.loader {
   background: #000;
   background: radial-gradient(#222, #000);
   bottom: 0;
   left: 0;
   overflow: hidden;
   position: fixed;
   right: 0;
   top: 0;
   z-index: 99999;
}

.loader-inner {
   bottom: 0;
   height: 60px;
   left: 0;
   margin: auto;
   position: absolute;
   right: 0;
   top: 0;
   width: 100px;
}

.loader-line-wrap {
   animation: 
     spin 2000ms cubic-bezier(.175, .885, .32, 1.275) infinite
  ;
   box-sizing: border-box;
   height: 50px;
   left: 0;
   overflow: hidden;
   position: absolute;
   top: 0;
   transform-origin: 50% 100%;
   width: 100px;
}
.loader-line {
   border: 4px solid transparent;
   border-radius: 100%;
   box-sizing: border-box;
   height: 100px;
   left: 0;
   margin: 0 auto;
   position: absolute;
   right: 0;
   top: 0;
   width: 100px;
}
.loader-line-wrap:nth-child(1) { animation-delay: -50ms; }
.loader-line-wrap:nth-child(2) { animation-delay: -100ms; }
.loader-line-wrap:nth-child(3) { animation-delay: -150ms; }
.loader-line-wrap:nth-child(4) { animation-delay: -200ms; }
.loader-line-wrap:nth-child(5) { animation-delay: -250ms; }

.loader-line-wrap:nth-child(1) .loader-line {
   border-color: hsl(0, 80%, 60%);
   height: 90px;
   width: 90px;
   top: 7px;
}
.loader-line-wrap:nth-child(2) .loader-line {
   border-color: hsl(60, 80%, 60%);
   height: 76px;
   width: 76px;
   top: 14px;
}
.loader-line-wrap:nth-child(3) .loader-line {
   border-color: hsl(120, 80%, 60%);
   height: 62px;
   width: 62px;
   top: 21px;
}
.loader-line-wrap:nth-child(4) .loader-line {
   border-color: hsl(180, 80%, 60%);
   height: 48px;
   width: 48px;
   top: 28px;
}
.loader-line-wrap:nth-child(5) .loader-line {
   border-color: hsl(240, 80%, 60%);
   height: 34px;
   width: 34px;
   top: 35px;
}

@keyframes spin {
   0%, 15% {
     transform: rotate(0);
  }
  100% {
     transform: rotate(360deg);
  }
}