diff --git a/src/styles/main.css b/src/styles/main.css
index aa84fd2..d6af28e 100644
--- a/src/styles/main.css
+++ b/src/styles/main.css
@@ -1,4 +1,3 @@
-@import 'misans.css';
 @tailwind components;
 
 @layer components {
@@ -140,68 +139,3 @@
 .collapsed {
     height: var(--collapsedHeight);
 }
-
-.copy-btn {
-    position: absolute;
-    top: 0.5rem;
-    right: 0.5rem;
-    opacity: 0;
-    transition: opacity 0.2s ease;
-    background: var(--btn-regular-bg);
-    border: none;
-    border-radius: 0.5rem;
-    padding: 0.5rem;
-    cursor: pointer;
-    z-index: 10;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-}
-
-.copy-btn:hover {
-    background: var(--btn-regular-bg-hover);
-}
-
-.copy-btn:active {
-    background: var(--btn-regular-bg-active);
-    transform: scale(0.95);
-}
-
-.copy-btn-icon {
-    width: 1rem;
-    height: 1rem;
-    position: relative;
-}
-
-.copy-btn-icon svg {
-    position: absolute;
-    top: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    fill: var(--btn-content);
-    transition: opacity 0.2s ease;
-}
-
-.copy-icon {
-    opacity: 1;
-}
-
-.success-icon {
-    opacity: 0;
-    fill: var(--primary);
-}
-
-/* 成功状态 */
-.copy-btn.success .copy-icon {
-    opacity: 0;
-}
-
-.copy-btn.success .success-icon {
-    opacity: 1;
-}
-
-/* 确保在 hover 时显示 */
-.frame:hover .copy-btn {
-    opacity: 1;
-}
\ No newline at end of file