feat: 优化

frontend/app/web-gold/src/views/auth/Login.vue

@@ -430,10 +430,11 @@ onBeforeUnmount(() => {
 :deep(.ant-input-affix-wrapper) {
   border-radius: 12px !important;
   background: #f8fafc !important;
-  border: 1.5px solid #e2e8f0 !important;
+  border: 1.5px solid transparent !important;
   box-shadow: none !important;
   transition: all 0.2s ease !important;
   height: 48px !important;
+  box-sizing: border-box !important;
 }
 
 :deep(.ant-input-affix-wrapper:hover) {
@@ -445,6 +446,7 @@ onBeforeUnmount(() => {
   border-color: #3B82F6 !important;
   background: #ffffff !important;
   box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1) !important;
+  margin: 0 !important;
 }
 
 :deep(.ant-input) {
@@ -467,24 +469,29 @@ onBeforeUnmount(() => {
   font-weight: 500;
   color: #334155;
   font-size: 14px;
+  margin-bottom: 8px;
+  display: block;
 }
 
 :deep(.ant-input-affix-wrapper:focus-within) {
   outline: none;
 }
 
+:deep(.ant-form-item) {
+  margin-bottom: 28px;
+}
+
+:deep(.ant-form-item-control) {
+  min-height: 48px;
+  position: relative;
+}
+
 /* 表单验证错误状态 */
 :deep(.ant-form-item-has-error .ant-input-affix-wrapper) {
   border-color: #ef4444 !important;
   background: #ffffff !important;
 }
 
-:deep(.ant-form-item-explain-error) {
-  color: #ef4444;
-  font-size: 13px;
-  margin-top: 4px;
-}
-
 /* ========== 验证码输入 ========== */
 .code-input {
   display: flex;