fix: 样式bug修复。

src/views/resource.vue

@@ -275,7 +275,7 @@ download(type) {
     align-items: stretch;
     background: #fff;
     border-radius: 20px;
-    overflow: hidden;
+    overflow: visible;
     box-shadow: 0 8px 30px rgba(0,0,0,0.08);
     transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
     border: 2px solid transparent;
@@ -289,6 +289,7 @@ download(type) {
       background: linear-gradient(90deg, #667eea, #764ba2);
       transform: scaleX(0);
       transition: transform 0.3s ease;
+      border-radius: 20px 20px 0 0;
     }
     
     &:hover {
@@ -318,6 +319,8 @@ download(type) {
     justify-content: center;
     background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
     padding: 30px;
+    border-radius: 20px 0 0 20px;
+    overflow: hidden;
   }
   
   .zui-card__media {
@@ -330,6 +333,8 @@ download(type) {
     border-radius: 20px;
     padding: 12px;
     transition: transform 0.3s ease;
+    position: relative;
+    z-index: 1;
     
     img {
       width: 100%;
@@ -346,6 +351,8 @@ download(type) {
     padding: 30px 35px;
     display: flex;
     flex-direction: column;
+    border-radius: 0 20px 20px 0;
+    overflow: hidden;
   }
   
   .zui-card__title {