feat: form 组件样式调整

lib/saas/theme/global.less

@@ -163,6 +163,24 @@ a {
   color: @primary-color;
 }
 
+
+// 自定义的title样式
+.ns-title-extra-box {
+  position: relative;
+  padding-left: 9px;
+  &::before {
+    content: '';
+    position: absolute;
+    left: 0;
+    top: 50%;
+    transform: translateY(-50%);
+    height: 13px;
+    width: 3px;
+    border-radius: 1px;
+    background-color: @primary-color;
+  }
+}
+
 //状态颜色
 .commonStatus {
   &::before {

lib/saas/theme/variable.less

@@ -61,5 +61,6 @@
 // main-content
 @ns-content-bg: #f1f2f6;
 @ns-box-shadow: 0px 5px 16px #e4e6e8;
+@ns-content-box-shadow: 0px 0px 16px #e4e6e8;
 @ns-gap: 20px;
 @ns-border-radius: 12px;