完善页面

styles/base.scss

@@ -487,6 +487,7 @@ checkbox {
 .left-0 {left: 0}
 .right-0 {right: 0}
 
+.bold-400 {font-weight: 400;}
 .bold-500 {font-weight: 500;}
 .bold-600 {font-weight: 600;}
 .bold-700 {font-weight: 700;}
@@ -494,6 +495,7 @@ checkbox {
 .bold-900 {font-weight: 900;}
 
 .text-333  {color: #333}
+.text-666  {color: #666}
 .text-999  {color: #999}
 .text-fff  {color: #fff}
 .text-gray {color: #86909C}