购买咨询的tab颜色改深一点 code review by zhaobiao

@@ -160,7 +160,7 @@
             line-height: pxToRem(60px);
             line-height: pxToRem(60px);
             font-size: pxToRem(28px);
             font-size: pxToRem(28px);
             text-align: center;
             text-align: center;
-            color: #ccc;
+            color: $subFontC;
             &.focus {
             &.focus {
                 color: #000;
                 color: #000;
             }
             }