Update h1 and h2 linear gradient

Author: Folyd

theme/index.css

@@ -1,16 +1,30 @@
 :root {
-    /* Modify theme color */
-    --rp-c-brand: #db4c38;
-    --rp-c-brand-dark: #f96b6b;
-    --rp-c-brand-darker: #f96b6b;
-    --rp-c-brand-light: #f96b6b;
-    --rp-c-brand-lighter: #f53939;
-    /* Modify the width of the left sidebar */
-    --rp-sidebar-width: 280px;
-    /* Modify the width of the right outline column */
-    --rp-aside-width: 256px;
-    /* Modify the background of the code block title */
-    /* --rp-code-title-bg: rgba(250, 192, 61, 0.15); */
-    /* Modify the background of the code block content */
-    /* --rp-code-block-bg: rgba(214, 188, 70, 0.05); */
-  }
+  /* Modify theme color */
+  --rp-c-brand: #db4c38;
+  --rp-c-brand-dark: #f96b6b;
+  --rp-c-brand-darker: #f96b6b;
+  --rp-c-brand-light: #f96b6b;
+  --rp-c-brand-lighter: #f53939;
+  /* Modify the width of the left sidebar */
+  --rp-sidebar-width: 280px;
+  /* Modify the width of the right outline column */
+  --rp-aside-width: 256px;
+  /* Modify the background of the code block title */
+  /* --rp-code-title-bg: rgba(250, 192, 61, 0.15); */
+  /* Modify the background of the code block content */
+  /* --rp-code-block-bg: rgba(214, 188, 70, 0.05); */
+}
+
+.rspress-doc > h1 {
+  font-size: 2.3rem;
+  font-weight: 700;
+  background: linear-gradient(279deg, #ff8b00 35.21%, #f93920 63.34%);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+}
+.rspress-doc > h2 {
+  font-weight: 700;
+  background: linear-gradient(279deg, #ff8b00 35.21%, #f93920 63.34%);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+}