feat(player): 统一移动端主题样式并优化多页面视觉一致性

将玩家端组件与核心页面全面切换为统一主题变量，优化卡片、按钮、弹窗、列表和盘口相关模块的视觉表现，并补充多语言文案以匹配新的交互与布局风格。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/player/src/components/UserAvatarMenu.vue

@@ -85,8 +85,8 @@ function logout() {
   height: 36px;
   box-sizing: border-box;
   border-radius: 50%;
-  border: 2px solid #003D6B;
-  background: linear-gradient(145deg, #003D6B, #005B9F);
+  border: 2px solid var(--primary-light);
+  background: linear-gradient(145deg, var(--primary-dark), var(--primary-light));
   display: flex;
   align-items: center;
   justify-content: center;
@@ -94,6 +94,7 @@ function logout() {
   flex-shrink: 0;
   overflow: hidden;
   padding: 0;
+  box-shadow: 0 0 12px rgba(244, 162, 97, 0.3);
 }
 
 .avatar-img {
@@ -115,10 +116,12 @@ function logout() {
   right: 0;
   min-width: 168px;
   padding: 8px 0;
-  border: 1px solid #E5E7EB;
+  border: 1px solid var(--border);
   border-radius: 8px;
-  background: #FFFFFF;
-  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+  background: var(--bg-card-elevated);
+  backdrop-filter: blur(12px);
+  -webkit-backdrop-filter: blur(12px);
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
   z-index: 140;
 }
 
@@ -126,8 +129,8 @@ function logout() {
   padding: 8px 14px 10px;
   font-size: 13px;
   font-weight: 800;
-  color: #003D6B;
-  border-bottom: 1px solid #E5E7EB;
+  color: var(--primary-light);
+  border-bottom: 1px solid var(--border);
   margin-bottom: 4px;
 }
 
@@ -136,22 +139,22 @@ function logout() {
   text-align: left;
   padding: 10px 14px;
   background: none;
-  color: #1A1A2E;
+  color: var(--text);
   font-size: 14px;
   font-weight: 600;
 }
 
 .menu-item:hover {
-  background: #F5F7FA;
+  background: var(--bg-hover);
 }
 
 .menu-item.recharge {
-  color: #003D6B;
+  color: var(--primary-light);
   font-weight: 700;
 }
 
 .menu-item.danger {
-  color: #DC2626;
+  color: var(--danger);
 }
 
 .backdrop {