html[data-theme='dark'] .app-loading {
     background-color: #2c344a;
 }

 html[data-theme='dark'] .app-loading .app-loading-title {
     color: rgb(255 255 255 / 85%);
 }
 html[data-theme="dark"] .ant-steps-navigation .ant-steps-item::after {
     border-bottom: none;
     border-left: none;
}

 .app-loading {
     display: flex;
     width: 100%;
     height: 100%;
     justify-content: center;
     align-items: center;
     flex-direction: column;
     background-color: #f4f7f9;
 }

 .app-loading .app-loading-wrap {
     position: absolute;
     top: 50%;
     left: 50%;
     display: flex;
     transform: translate3d(-50%, -50%, 0);
     justify-content: center;
     align-items: center;
     flex-direction: column;
 }

 /* 加载页动画 */

 .loader {
    width: fit-content;
    font-weight: bold;
    font-family: monospace;
    font-size: 30px;
    color: transparent; /* 使用透明颜色以便背景剪裁生效 */
    background: linear-gradient(90deg, #1890ff calc(50% + 0.5ch), #000 0) right/calc(200% + 1ch) 100%;
    -webkit-background-clip: text;
            background-clip: text;
    animation: l7 1s infinite linear; /* 使用 linear 替换 steps() */
    transform: translateZ(0); /* 启用硬件加速 */
}

  .loader:before {
    content:"中润安全欢迎您..."
  }
  @keyframes l7 {to{background-position: left}}
 .app-loading .dots {
     display: flex;
     padding: 98px;
     justify-content: center;
     align-items: center;
 }

 .app-loading .app-loading-title {
     display: flex;
     margin-top: 30px;
     font-size: 30px;
     color: rgb(0 0 0 / 85%);
     justify-content: center;
     align-items: center;
 }

 .app-loading .app-loading-logo {
     display: block;
     width: 90px;
     margin: 0 auto;
     margin-bottom: 20px;
     border: none;
 }

 .dot {
     position: relative;
     display: inline-block;
     width: 48px;
     height: 48px;
     margin-top: 30px;
     font-size: 32px;
     transform: rotate(45deg);
     box-sizing: border-box;
     animation: antRotate 1.2s infinite linear;
 }

 .dot i {
     position: absolute;
     display: block;
     width: 20px;
     height: 20px;
     background-color: #0065cc;
     border-radius: 100%;
     opacity: 30%;
     transform: scale(0.75);
     animation: antSpinMove 1s infinite linear alternate;
     transform-origin: 50% 50%;
 }

 .dot i:nth-child(1) {
     top: 0;
     left: 0;
 }

 .dot i:nth-child(2) {
     top: 0;
     right: 0;
     animation-delay: 0.4s;
 }

 .dot i:nth-child(3) {
     right: 0;
     bottom: 0;
     animation-delay: 0.8s;
 }

 .dot i:nth-child(4) {
     bottom: 0;
     left: 0;
     animation-delay: 1.2s;
 }

 @keyframes antRotate {
     to {
         transform: rotate(405deg);
     }
 }

 @-webkit-keyframes antRotate {
     to {
         transform: rotate(405deg);
     }
 }

 @keyframes antSpinMove {
     to {
         opacity: 100%;
     }
 }

 @-webkit-keyframes antSpinMove {
     to {
         opacity: 100%;
     }
 }