feat: 页面结构的调整

src/static/scss/index.scss

@@ -21,3 +21,5 @@
 @import "./white-space.scss";
 @import "./box-sizing.scss";
 @import "./word-break.scss";
+@import "./min-height.scss";
+@import "./min-width.scss";

src/static/scss/min-height.scss

@@ -0,0 +1,3 @@
+.min-height-0 {
+  min-height: 0;
+}

src/static/scss/min-width.scss

@@ -0,0 +1,3 @@
+.min-width-0 {
+  min-width: 0;
+}