diff --git a/.github/release.md b/.github/release.md
index b96ca6d..2ba7a14 100644
--- a/.github/release.md
+++ b/.github/release.md
@@ -10,6 +10,7 @@
 - 优化热力图和动态样式
 - 优化私有标签样式, 组织页面下的 RSS 订阅按钮样式
 - 同步用户点星仓库列表样式
+- 同步 Issue/PR 详细页面侧边栏样式
 
 ## 🎈 Perf
 
diff --git a/src/types/color/github.ts b/src/types/color/github.ts
index ff36730..aff61f6 100644
--- a/src/types/color/github.ts
+++ b/src/types/color/github.ts
@@ -177,6 +177,7 @@ export const github = {
          * @repo `repoHeader` 仓库标题的悬停背景颜色
          * @commit `commit` 提交信息的 Action 按钮的悬停背景颜色
          * @filelist `repoFiles` README 栏的按钮的悬停背景颜色
+         * @issue `issueSidebar` 操作按钮的悬停背景颜色
          */
         hover: null,
       },
diff --git a/styles/components/issue.ts b/styles/components/issue.ts
index ed55b6a..4034e76 100644
--- a/styles/components/issue.ts
+++ b/styles/components/issue.ts
@@ -18,6 +18,11 @@ export const button = css`
       color: ${themeVars.github.fgColor.success};
     }
   }
+  // 工单&PR标题右侧按钮
+  .repository.view.issue .issue-title-buttons > .ui.button {
+    padding: 0 12px;
+    height: 32px;
+  }
 `;
 
 export const babel = css`
@@ -103,6 +108,7 @@ export const comment = css`
     }
     .comment-header {
       padding: 4px 4px 4px 16px;
+      min-height: 38px;
     }
     .comment-header-right {
       > .item,
@@ -330,3 +336,102 @@ export const timeline = css`
     }
   }
 `;
+
+const sidebarPadding = {
+  padding: "4px 8px",
+};
+
+// 侧边栏
+export const issueSidebar = css`
+  .issue-content {
+    gap: 24px;
+    .issue-content-right {
+      border: 0;
+      font-size: 12px;
+      padding: 0;
+      .ui.button {
+        font-size: 12px;
+      }
+      > .flex-text-block,
+      .ui.form,
+      a.fixed-text.muted,
+      span.text,
+      // 列表项为空时的文字
+      span.item.empty-list,
+      p {
+        color: ${themeVars.color.text.light.num1};
+        font-size: 12px;
+      }
+      .ui.dropdown.select-branch,
+      .ui.form,
+      a.fixed-text.muted,
+      span.text,
+      .ui.watching > div,
+      .ui.depending > div,
+      .flex-text-block,
+      .ui.list,
+      p {
+        ${sidebarPadding};
+      }
+      .issue-sidebar-combo {
+        .ui.dropdown > a.fixed-text.muted {
+          align-items: center;
+          border-radius: ${otherThemeVars.border.radius};
+          text-decoration-line: none;
+          height: 28px;
+          &:hover {
+            background: ${themeVars.github.control.transparent.bgColor.hover};
+          }
+        }
+        .ui.list {
+          margin-top: 0 !important;
+          margin-bottom: 0 !important;
+        }
+      }
+      // 选中日期颜色
+      .ui.form .due-date {
+        color: ${themeVars.color.text.self};
+      }
+      .divider {
+        margin: 12px 0 12px 8px;
+        width: calc(100% - 16px);
+      }
+      // 订阅按钮
+      .ui.watching .ui.button {
+        padding: 0px 8px;
+        height: 28px;
+        svg {
+          margin: 0 !important;
+        }
+      }
+      // PIN 按钮
+      .form-fetch-action.single-button-form .ui.button,
+      // 底部操作按钮
+      .ui.show-modal.button {
+        border: 0;
+        background: unset;
+        font-weight: 400;
+        ${sidebarPadding};
+        // 好像是浏览器 BUG, 最后不生效, 必须 !important
+        margin: 0 !important;
+        justify-content: left;
+        &:hover {
+          background: ${themeVars.github.control.transparent.bgColor.hover};
+        }
+      }
+      .ui.show-modal.button[data-modal="#sidebar-delete-issue"] {
+        color: ${themeVars.color.red.self};
+        svg {
+          color: ${themeVars.color.red.self};
+        }
+        &:hover {
+          background-color: ${themeVars.color.red.badge.bg};
+          color: ${themeVars.color.red.light};
+          svg {
+            color: ${themeVars.color.red.light};
+          }
+        }
+      }
+    }
+  }
+`;