feat: hero title follow primary color in default theme (#1501)

* feat: hero title follow primary color in default theme

* chore: update doc sync script

Author: PeachScript

scripts/sync-from-umi.js

@@ -140,7 +140,7 @@ const FILE_LIST = [
       // replace plugin api link
       {
         type: 'replace',
-        value: [/\/api\/plugin-api/g, '/plugin/api'],
+        value: [/\/api\/plugin-api/g, '/plugin/api.md'],
       },
     ],
   },

src/client/theme-default/slots/HeroTitle/index.less

@@ -10,14 +10,18 @@
   display: inline-block;
   font-family: Alibaba-PuHuiTi, 'Gill Sans', 'Gill Sans MT', Calibri,
     'Trebuchet MS', sans-serif;
-  color: #82cdf8;
+  color: lighten(desaturate(spin(@c-primary, -13), 10.5), 20);
   font-size: 180px;
   line-height: 1;
 
   > span {
+    // generated via: https://nicothin.pro/lessColourFunctionCalculator/
+    @from: lighten(spin(@c-primary, -12.5), 24);
+    @to: lighten(@c-primary, 15.5);
+
     color: transparent;
-    text-shadow: 0 10px 20px rgba(22, 119, 255, 15%);
-    background: linear-gradient(30deg, #91d6ff 30%, #66a6ff);
+    text-shadow: 0 10px 20px fadeout(@c-primary, 85%);
+    background: linear-gradient(30deg, @from 30%, @to);
     background-clip: text;
   }