custom link style

_config.yml

@@ -399,6 +399,8 @@ style:
     link: 'hsl(207 90% 54%)' # 超链接颜色
     button: 'hsl(192 98% 55%)' # 按钮颜色
     hover: 'hsl(14 100% 57%)' # 按钮高亮颜色
+  link:
+    underline: true # true / false
   animated_avatar:
     animate: auto # auto, always
     background: https://gcore.jsdelivr.net/gh/cdn-x/placeholder@1.0.4/avatar/round/rainbow64@3x.webp

source/css/_layout/md.styl

@@ -139,7 +139,10 @@ h1.article-title
         left: 0
         right: 0
         height: 1px
+        if hexo-config('style.link.underline') == true
           opacity: 0.8
+        else
+          opacity: 0
         background: var(--theme-link)
         trans1: all
       &:hover
@@ -153,8 +156,3 @@ h1.article-title
           bottom: 0
           left: -2px
           right: -2px
-.md-text li:not([class]) a:not([class]):before, .md-text p:not([class]) a:not([class]):before
-    background unset !important
-
-.md-text li:not([class]) a:not([class]):hover:before, .md-text p:not([class]) a:not([class]):hover:before
-    background var(--theme-link) !important