style(game): 优化游戏界面样式和布局

- 调整玩家头像位置和旋转效果
- 将玩家卡片样式从全局CSS分离到房间页面独立控制
- 优化桌面背景墙布局参数
- 修复左右侧玩家头像图片旋转显示问题
- 统一游戏场景中元素定位和间距配置

src/assets/styles/global.css

@@ -799,27 +799,27 @@ button:disabled {
 }
 
 .player-badge.seat-top {
-  top: 28px;
+  top: 20px;
   left: 50%;
   transform: translateX(-50%);
 }
 
 .player-badge.seat-right {
-  right: 24px;
+  right: -20px;
   top: 50%;
-  transform: translateY(-50%);
+  transform: translateY(-50%) rotate(90deg);
 }
 
 .player-badge.seat-bottom {
-  bottom: 136px;
+  bottom: 20px;
   left: 50%;
   transform: translateX(-50%);
 }
 
 .player-badge.seat-left {
-  left: 24px;
+  left: -20px;
   top: 50%;
-  transform: translateY(-50%);
+  transform: translateY(-50%) rotate(90deg);
 }
 
 .player-badge.is-turn {
@@ -853,6 +853,14 @@ button:disabled {
   object-fit: cover;
 }
 
+.player-badge.seat-right .avatar-card img {
+  transform: rotate(-90deg);
+}
+
+.player-badge.seat-left .avatar-card img {
+  transform: rotate(-90deg);
+}
+
 .player-meta p {
   font-size: 14px;
   font-weight: 700;

src/assets/styles/room.css

@@ -1,4 +1,5 @@
 .picture-scene {
+
   min-height: 100vh;
   min-height: 100dvh;
   padding: 18px;
@@ -341,6 +342,125 @@
   color: rgba(7, 42, 19, 0.24);
 }
 
+/* Chengdu 游戏页玩家卡：由 room.css 独立控制，避免受 global.css 同名类影响 */
+.picture-scene .player-badge {
+  position: absolute;
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  min-width: 154px;
+  padding: 9px 12px;
+  border-radius: 16px;
+  border: 1px solid rgba(248, 226, 173, 0.24);
+  background:
+    linear-gradient(180deg, rgba(43, 52, 73, 0.84), rgba(17, 22, 34, 0.82)),
+    radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 40%);
+  box-shadow:
+    inset 0 1px 0 rgba(255, 255, 255, 0.08),
+    0 12px 28px rgba(0, 0, 0, 0.24);
+}
+
+.picture-scene .avatar-panel {
+  position: relative;
+  flex: 0 0 auto;
+}
+
+.picture-scene .player-badge.seat-top {
+  top: 20px;
+  left: 50%;
+  transform: translateX(-50%);
+}
+
+.picture-scene .player-badge.seat-right {
+  right: -20px;
+  top: 50%;
+  transform: translateY(-50%) rotate(90deg);
+}
+
+.picture-scene .player-badge.seat-bottom {
+  bottom: 20px;
+  left: 50%;
+  transform: translateX(-50%);
+}
+
+.picture-scene .player-badge.seat-left {
+  left: -20px;
+  top: 50%;
+  transform: translateY(-50%) rotate(90deg);
+}
+
+.picture-scene .player-badge.is-turn {
+  border-color: rgba(244, 222, 163, 0.72);
+}
+
+.picture-scene .avatar-card {
+  display: grid;
+  place-items: center;
+  width: 48px;
+  height: 48px;
+  border-radius: 10px;
+  border: 1px solid rgba(255, 248, 215, 0.32);
+  background:
+    linear-gradient(145deg, #b3e79c, #4eaf4a 46%, #2f7e28 100%);
+  box-shadow:
+    inset 0 2px 4px rgba(255, 255, 255, 0.18),
+    0 6px 14px rgba(0, 0, 0, 0.22);
+  overflow: hidden;
+}
+
+.picture-scene .avatar-card img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.picture-scene .player-badge.seat-right .avatar-card img,
+.picture-scene .player-badge.seat-left .avatar-card img {
+  transform: rotate(-90deg);
+}
+
+.picture-scene .player-meta p {
+  font-size: 14px;
+  font-weight: 700;
+  color: #eef5ff;
+}
+
+.picture-scene .dealer-mark,
+.picture-scene .missing-mark {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  min-width: 28px;
+  height: 28px;
+  border-radius: 999px;
+  font-size: 12px;
+}
+
+.picture-scene .dealer-mark {
+  position: absolute;
+  right: -8px;
+  bottom: -6px;
+  background: linear-gradient(180deg, #ffe38a 0%, #f1b92e 100%);
+  color: #5f3200;
+  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.18);
+}
+
+.picture-scene .missing-mark {
+  margin-left: auto;
+  width: 34px;
+  height: 34px;
+  padding: 0;
+  overflow: hidden;
+  background: linear-gradient(180deg, rgba(114, 219, 149, 0.2) 0%, rgba(21, 148, 88, 0.34) 100%);
+  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.16);
+}
+
+.picture-scene .missing-mark img {
+  width: 22px;
+  height: 22px;
+  object-fit: contain;
+}
+
 .wall {
   position: absolute;
   display: flex;
@@ -367,7 +487,7 @@
 }
 
 .wall-top {
-  top: 54px;
+  top: -100px;
 }
 
 .wall-top img,
@@ -378,6 +498,7 @@
 
 .wall-right {
   right: 110px;
+  gap: 0;
 }
 
 .wall-left {
@@ -390,8 +511,35 @@
   height: 24px;
 }
 
+.wall-left img + img,
+.wall-right img + img {
+  margin-top: -15px;
+}
+
+.wall-top img + img,
+.wall-bottom img + img {
+  margin-left: -4px;
+}
+
 .wall-bottom {
-  bottom: 126px;
+  bottom: 108px;
+}
+
+/* 提高特异性，保证本页使用 room.css 配置值 */
+.picture-scene .wall-top {
+  top: -100px;
+}
+
+.picture-scene .wall-right {
+  right: 110px;
+}
+
+.picture-scene .wall-bottom {
+  bottom: 108px;
+}
+
+.picture-scene .wall-left {
+  left: 110px;
 }
 
 .center-desk {