feat: 首页欢迎语组件布局调整

src/static/scss/flex.scss

@@ -11,6 +11,10 @@
   justify-content: center;
 }
 
+.flex-justify-between {
+  justify-content: space-between;
+}
+
 .flex-col {
   flex-direction: column;
 }
@@ -18,3 +22,15 @@
 .flex-wrap {
   flex-wrap: wrap;
 }
+
+.flex-nowrap {
+  flex-wrap: nowrap;
+}
+
+.flex-full {
+  flex: 1;
+}
+
+.flex-shrink-0 {
+  flex-shrink: 0;
+}