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/PlayerAvatarModal.vue

@@ -55,7 +55,7 @@ function confirm() {
   position: fixed;
   inset: 0;
   z-index: 210;
-  background: rgba(0, 0, 0, 0.35);
+  background: rgba(0, 0, 0, 0.5);
   display: flex;
   align-items: center;
   justify-content: center;
@@ -69,11 +69,11 @@ function confirm() {
   max-width: 360px;
   max-height: 85vh;
   overflow-y: auto;
-  background: #FFFFFF;
-  border: 1px solid #E5E7EB;
+  background: var(--bg-card-elevated);
+  border: 1px solid var(--border);
   border-radius: 12px;
   padding: 16px 14px 14px;
-  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
 }
 
 .close-x {
@@ -83,9 +83,9 @@ function confirm() {
   width: 28px;
   height: 28px;
   border-radius: 50%;
-  border: 1px solid #E5E7EB;
-  background: #F5F7FA;
-  color: #6B7280;
+  border: 1px solid var(--border);
+  background: var(--bg-elevated);
+  color: var(--text-muted);
   font-size: 12px;
   line-height: 1;
   padding: 0;
@@ -95,7 +95,7 @@ function confirm() {
   margin: 0 28px 12px 0;
   font-size: 15px;
   font-weight: 800;
-  color: #003D6B;
+  color: var(--primary);
 }
 
 .actions {
@@ -114,14 +114,14 @@ function confirm() {
 }
 
 .btn-cancel {
-  border: 1px solid #E5E7EB;
-  background: #FFFFFF;
-  color: #6B7280;
+  border: 1px solid var(--border);
+  background: var(--bg-card);
+  color: var(--text-muted);
 }
 
 .btn-confirm {
   border: none;
-  background: #003D6B;
+  background: var(--gradient-primary);
   color: #FFFFFF;
 }
 </style>