editorialbtn

@@ -174,16 +174,17 @@ $('#comment-info').keyup(function() {
 
     if (len === 0) {
         $wordCountTip.html('');
+        $commentBtn.removeClass('able');
         $commentBtn.addClass('disable');
     } else {
         if (len - MAX_COMMENTS_WORDS <= 0) {
             showTxt = '还可以输入' + (MAX_COMMENTS_WORDS - len) + '字';
             $commentBtn.removeClass('disable');
-            $commentBtn.css('background', '#1b1b1b');
+            $commentBtn.addClass('able');
         } else {
             showTxt = '已超过<span class="exceed-count">' + (len - MAX_COMMENTS_WORDS) + '</span>字';
+            $commentBtn.removeClass('able');
             $commentBtn.addClass('disable');
-            $commentBtn.css('background', '#999');
         }
     }
     $wordCountTip.html(showTxt);

@@ -448,12 +448,20 @@
         text-align: center;
         color: #fff;
         font-size: 14px;
-        background: #999;
+        background: #000;
         cursor: pointer;
 
-        &:hover {
+/*        &:hover {
             background: #000;
-        }
+        }*/
+    }
+
+    .disable {
+        background: #999;
+    }
+
+    .able {
+        background: #000;
     }
 
     .comments-wrap {