fix: 顶栏圆形按钮水平对齐+国旗完整显示

- header-right: flex + align-items:center + gap:12px
- 所有按钮: min-width/min-height:36px + box-sizing
- 国旗: overflow:visible, 24x18矩形圆角, 不再被裁切
- margin全部归零, 由gap统一控制间距

clientarea/hgcloud/css/dark-override.css

@@ -141,11 +141,26 @@ html, body {
   width: auto;
 }
 
+/* ============ 顶栏右侧 — 统一对齐 ============ */
+.header-right {
+  display: flex !important;
+  align-items: center !important;
+  gap: 12px !important;
+  margin-right: 20px !important;
+}
+
+.header-right .header-right-item {
+  display: flex !important;
+  align-items: center !important;
+}
+
 /* ============ 顶栏右侧按钮 — 纯圆形 ============ */
 /* 购物车按钮 */
 .header-right .header-right-item .right-item {
   width: 36px !important;
   height: 36px !important;
+  min-width: 36px !important;
+  min-height: 36px !important;
   background: rgba(255, 255, 255, 0.55) !important;
   border: 1px solid rgba(255, 255, 255, 0.8) !important;
   border-radius: 50% !important;
@@ -157,6 +172,7 @@ html, body {
   -webkit-backdrop-filter: blur(8px) !important;
   transition: all 0.2s ease !important;
   cursor: pointer !important;
+  box-sizing: border-box !important;
 }
 
 .header-right .header-right-item .right-item:hover {
@@ -168,6 +184,8 @@ html, body {
 .header-right .header-right-item .el-dropdown-country {
   width: 36px !important;
   height: 36px !important;
+  min-width: 36px !important;
+  min-height: 36px !important;
   background: rgba(255, 255, 255, 0.55) !important;
   border: 1px solid rgba(255, 255, 255, 0.8) !important;
   border-radius: 50% !important;
@@ -178,7 +196,8 @@ html, body {
   backdrop-filter: blur(8px) !important;
   -webkit-backdrop-filter: blur(8px) !important;
   transition: all 0.2s ease !important;
-  overflow: hidden !important;
+  overflow: visible !important;
+  box-sizing: border-box !important;
 }
 
 .header-right .header-right-item .el-dropdown-country:hover {
@@ -186,15 +205,16 @@ html, body {
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
 }
 
-/* 国旗图标 */
+/* 国旗图标 — 完整显示 */
 .header-right .header-right-item .el-dropdown-country img {
-  width: 20px !important;
+  width: 24px !important;
-  height: 20px !important;
+  height: 18px !important;
-  border-radius: 50% !important;
+  border-radius: 3px !important;
   object-fit: cover !important;
+  flex-shrink: 0 !important;
 }
 
-/* 隐藏国旗下拉箭头（纯圆形内不需要箭头） */
+/* 隐藏国旗下拉箭头 */
 .header-right .header-right-item .el-dropdown-country .right-icon {
   display: none !important;
 }
@@ -203,6 +223,8 @@ html, body {
 .header-right .header-right-item .el-dropdown-header {
   width: 36px !important;
   height: 36px !important;
+  min-width: 36px !important;
+  min-height: 36px !important;
   background: rgba(255, 255, 255, 0.55) !important;
   border: 1px solid rgba(255, 255, 255, 0.8) !important;
   border-radius: 50% !important;
@@ -214,6 +236,7 @@ html, body {
   -webkit-backdrop-filter: blur(8px) !important;
   transition: all 0.2s ease !important;
   overflow: hidden !important;
+  box-sizing: border-box !important;
 }
 
 .header-right .header-right-item .el-dropdown-header:hover {
@@ -241,14 +264,15 @@ html, body {
   display: none !important;
 }
 
-/* 按钮间距统一 */
+/* 按钮间距统一（由 gap: 12px 控制） */
 .header-right .car-item {
-  margin-right: 12px !important;
+  margin-right: 0 !important;
+  margin-left: 0 !important;
 }
 
 .header-right .cloum-line-item {
   margin-left: 0 !important;
-  margin-right: 12px !important;
+  margin-right: 0 !important;
 }
 
 .ali-logo {