diff --git a/_site/heti.css b/_site/heti.css
index d8727b8..f13afed 100644
--- a/_site/heti.css
+++ b/_site/heti.css
@@ -131,7 +131,7 @@
   src: local("Source Han Sans KR Heavy"), local("Noto Sans CJK KR Heavy");
 }
 
-font-face {
+@font-face {
   font-family: "Heti Hei SC Black Fallback";
   font-weight: 800;
   src: local("Microsoft YaHei"), local("Droid Sans Fallback");
@@ -204,6 +204,7 @@ font-face {
   overflow-wrap: break-word;
   word-wrap: break-word;
   hyphens: auto;
+  letter-spacing: 0.02em;
 }
 
 .heti::before, .heti::after {
@@ -215,6 +216,10 @@ font-face {
   clear: both;
 }
 
+.heti:not(:lang(zh)):not(:lang(ja)):not(:lang(kr)), .heti:not(:lang(zh)) {
+  letter-spacing: 0;
+}
+
 .heti > *:first-child,
 .heti section > *:first-child,
 .heti td > *:first-child {
diff --git a/lib/_base.scss b/lib/_base.scss
index 3fe91d0..ff8e979 100644
--- a/lib/_base.scss
+++ b/lib/_base.scss
@@ -6,6 +6,13 @@
   // 清容器浮动
   @include clear-float();
 
+  // 非中文时不加间距
+  letter-spacing: $letter-spacing-medium;
+  @include non-cjk-block {
+  letter-spacing: $letter-spacing-normal;
+  
+  }
+
   // 清容器内首尾元素外边距
   &,
   section,
diff --git a/lib/_variables.scss b/lib/_variables.scss
index 507d77e..fe086c6 100644
--- a/lib/_variables.scss
+++ b/lib/_variables.scss
@@ -54,6 +54,12 @@ $line-height-expanded-ultra: 2.25 !default;
 //$line-height-condensed: 1.25 !default;
 //$line-height-condensed-ultra: 1 !default;
 
+// 字符间距
+$letter-spacing-normal: 0 !default;
+$letter-spacing-small: 0.01em !default;
+$letter-spacing-medium: 0.02em !default;
+$letter-spacing-large: 0.05em !default;
+
 $line-height-size-normal: $font-size-normal * $line-height-normal !default;
 $line-height-size-large: $line-height-size-normal !default;
 $line-height-size-x-large: $font-size-x-large * $line-height-normal !default;