feat(player): 重构 PC 端登录注册布局并优化注单栏与加载态

- 新增 DesktopAuthLayout 与 MouseRippleGrid，登录/注册/忘记密码采用管理端左右卡片布局（左侧大 Logo）

- 登录页补齐 GoldSpinner 全表单加载遮罩与三语 logging_in 文案

- 注单栏与 Hub 侧栏使用 cebian.webp 背景，左侧联赛栏保持纯色

apps/player/src/views/desktop/DesktopRegisterView.vue

@@ -1,100 +1,10 @@
 <script setup lang="ts">
-/**
- * Desktop Register View
- * Reuses the existing RegisterView form in a centered desktop auth layout.
- */
+import DesktopAuthLayout from '../../components/desktop/DesktopAuthLayout.vue';
 import RegisterView from '../RegisterView.vue';
 </script>
 
 <template>
-  <div class="desktop-auth-shell">
-    <div class="auth-brand">
-      <div class="brand-inner">
-        <img src="/logo.png" alt="TheBet365" class="brand-logo" />
-        <h1 class="brand-name">THEBET365</h1>
-        <p class="brand-tagline">加入我们，开始精彩体育投注</p>
-      </div>
-    </div>
-    <div class="auth-card-wrap">
-      <div class="auth-card">
-        <RegisterView />
-      </div>
-    </div>
-  </div>
+  <DesktopAuthLayout wide>
+    <RegisterView desktop />
+  </DesktopAuthLayout>
 </template>
-
-<style scoped>
-.desktop-auth-shell {
-  display: flex;
-  min-height: 100vh;
-  background: var(--desktop-bg);
-}
-
-.auth-brand {
-  flex: 1;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  background: linear-gradient(135deg, #0a0a0a 0%, #111 50%, #0d0d0d 100%);
-  border-right: 1px solid var(--desktop-border);
-  position: relative;
-  overflow: hidden;
-}
-
-.auth-brand::before {
-  content: '';
-  position: absolute;
-  inset: 0;
-  background: radial-gradient(ellipse 60% 60% at 50% 40%, rgba(212,175,55,0.06) 0%, transparent 70%);
-  pointer-events: none;
-}
-
-.brand-inner {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  gap: 16px;
-  text-align: center;
-  position: relative;
-  z-index: 1;
-  padding: 40px;
-}
-
-.brand-logo {
-  width: 64px;
-  height: 64px;
-  object-fit: contain;
-  filter: drop-shadow(0 4px 16px rgba(212,175,55,0.3));
-}
-
-.brand-name {
-  font-size: 28px;
-  font-weight: 900;
-  letter-spacing: 0.12em;
-  color: var(--primary-light);
-  margin: 0;
-}
-
-.brand-tagline {
-  font-size: 14px;
-  color: var(--text-muted);
-  margin: 0;
-  font-weight: 600;
-}
-
-.auth-card-wrap {
-  width: 520px;
-  flex-shrink: 0;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  padding: 40px;
-  background: var(--desktop-bg);
-  overflow-y: auto;
-}
-
-.auth-card {
-  width: 100%;
-  max-width: 420px;
-}
-</style>