运营后台登录页细微调整

frontend/src/views/admin/Login.vue

@@ -483,12 +483,13 @@ onMounted(() => {
 }
 
 .login-button {
-  height: 48px;
-  font-size: 16px;
-  font-weight: 500;
-  border-radius: 8px;
-  transition: all 0.3s ease;
   margin-top: 10px;
+  height: 42px;
+  font-size: 16px;
+  border-radius: 4px;
+  transition: all 0.3s;
+  position: relative;
+  overflow: hidden;
   
   :deep(.n-button__border),
   :deep(.n-button__state-border) {
@@ -501,12 +502,22 @@ onMounted(() => {
   }
   
   &:hover {
-    transform: translateY(-2px);
-    box-shadow: 0 8px 20px rgba(24, 160, 88, 0.4);
+    transform: translateY(-1px);
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.09);
   }
   
-  &:active {
-    transform: translateY(0);
+  &::after {
+    content: '';
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    width: 5px;
+    height: 5px;
+    background: rgba(255, 255, 255, 0.5);
+    opacity: 0;
+    border-radius: 100%;
+    transform: scale(1, 1) translate(-50%);
+    transform-origin: 50% 50%;
   }
 }