fix: 更新水印字体为 Permanent Marker，调整字体权重和字母间距

Signed-off-by: wangsimiao1 <wangsimiao1@xiaomi.com>

Author: WangSimiao2000

_data/origin/cors.yml

@@ -15,7 +15,7 @@ resource_hints:
       - rel: dns-prefetch
 
 # Web Fonts
-webfonts: https://fonts.googleapis.com/css2?family=Lato:wght@300;400&family=Source+Sans+Pro:wght@400;600;700;900&display=swap
+webfonts: https://fonts.googleapis.com/css2?family=Lato:wght@300;400&family=Source+Sans+Pro:wght@400;600;700;900&family=Permanent+Marker&display=swap
 
 # Libraries
 

_sass/base/_base.scss

@@ -471,10 +471,9 @@ mjx-container {
     left: 50%;
     transform: translate(-50%, -50%) rotate(-18deg);
     font-size: clamp(6rem, 12vw, 14rem);
-    font-family: 'Lato', 'Source Sans Pro', sans-serif;
-    font-weight: 900;
-    font-style: italic;
-    letter-spacing: 0.04em;
+    font-family: 'Permanent Marker', cursive;
+    font-weight: 400;
+    letter-spacing: 0.06em;
     white-space: nowrap;
     color: var(--watermark-color, rgba(0, 0, 0, 0.03));
     pointer-events: none;