feat: 无侧边模板样式调整

src/modules/paper-export/assets/styles/paper-temp-preview.scss

@@ -7,7 +7,7 @@
           padding: 60px 40px 80px 160px;
 
           &.page-main-noside {
-            padding: 60px;
+            padding: 60px 60px 80px;
           }
         }
       }

src/modules/paper-export/assets/styles/temp.css

@@ -5,10 +5,10 @@
   padding: 60px 40px 80px 160px;
 }
 .paper-page .page-box-A3.page-box-0 .page-main-inner.page-main-noside {
-  padding: 60px;
+  padding: 60px 60px 80px;
 }
 .paper-page .page-box-A3.page-box-1 .page-main-inner {
-  padding: 60px 160px 60px 40px;
+  padding: 60px 160px 80px 40px;
 }
 .paper-page .page-box-A3.page-box-1 .page-main-inner.page-main-noside {
   padding: 60px;