Refactor(css): Change all less to module mode

src/assets/css/components/system/statistics-card.module.less

@@ -0,0 +1,78 @@
+@import "@/assets/css/constants";
+
+.root {
+  .statisticsCard {
+    padding: 20px;
+    gap: 20px;
+
+    > .head {
+      align-items: center;
+      gap: 5px;
+      color: @main-color;
+
+      .icon {
+        font-size: @SIZE_ICON_MD;
+        flex: 0 0 auto;
+      }
+
+      .title {
+        display: flex;
+        font-size: 1.2em;
+      }
+
+      :nth-child(n+3) {
+        flex: 0 0 auto;
+        color: @font-main-color;
+      }
+    }
+
+    :global .card-content {
+      font-size: 1.1em;
+      padding: 0 10px;
+      gap: 10px;
+
+      .key, .value-percent {
+        flex: 0 0 auto;
+        color: @font-main-color;
+      }
+
+      .value {
+        color: @font-secondary-color;
+        overflow: hidden;
+
+        > * {
+          white-space: nowrap;
+          overflow: hidden;
+          text-overflow: ellipsis;
+        }
+      }
+
+      .value-chart {
+        justify-content: space-around;
+        width: 0;
+
+        > div {
+          max-height: 12px;
+          height: 12px;
+
+          > * {
+            transform: translateY(1px);
+          }
+        }
+      }
+
+      .value-percent {
+        text-align: right;
+      }
+
+      .big-chart {
+        width: 0;
+        height: 400px;
+      }
+
+      > * {
+        gap: 5px;
+      }
+    }
+  }
+}