style: 统一加载图标

public/static/css/loading.css

@@ -14,36 +14,14 @@ body {
   display: flex;
   justify-content: space-between;
 }
-.init-loading-rect {
-  background-color: #007aff;
-  height: 100%;
-  width: 15%;
-  animation: init-wave 1.2s infinite ease-in-out;
-}
-
-.init-loading-rect:nth-child(1) {
-  animation-delay: -1.2s;
-}
-.init-loading-rect:nth-child(2) {
-  animation-delay: -1.1s;
-}
-.init-loading-rect:nth-child(3) {
-  animation-delay: -1s;
-}
-.init-loading-rect:nth-child(4) {
-  animation-delay: -0.9s;
-}
-.init-loading-rect:nth-child(5) {
-  animation-delay: -0.8s;
-}
-
-@keyframes init-wave {
-  0%,
-  40%,
-  100% {
-    transform: scaleY(0.4);
+@keyframes arco-loading-circle {
+  from {
+    transform: rotate(0deg);
   }
-  20% {
-    transform: scaleY(1);
+  to {
+    transform: rotate(360deg);
   }
 }
+.init-loading-icon {
+  animation: arco-loading-circle 1s infinite cubic-bezier(0,0,1,1);
+}