judge: use case.score & normalizeSubtask API

packages/ui-default/pages/problem_config.page.styl

@@ -52,8 +52,7 @@
         transition: outline-color 0.2s, border-color 0.2s
         transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1)
         box-shadow: none
-      input::placeholder
-        color: inherit
+      
 
     .data-table
       tr
@@ -68,4 +67,7 @@
         background: transparent
 
   .hover-row.status-bar
-    display: none
+    display: none
+  
+  input::placeholder
+    color: rgba(95,107,124,.6)!important