feat: 荷官端倒计时和开牌结果缩小移至右上角

- .countdown 从屏幕中央(28%/37%)移到右上角(8px)，字体从13vw缩至4vw
- .result-box 从屏幕中央(40%/40%/320px)移到右上角(8px/120px)
- index_tab.css 同步调整(210px→80px, 60px→32px)

public/static/handle/css/index_tab.css

@@ -587,11 +587,11 @@ body{
     display: none;
     position: absolute;
     z-index: 999;
-    width: 210px;
-    height: 210px;
-    /*background: rgba(21, 34, 34, 0.71);*/
-    bottom: 5px;
-    right: 5px;
+    width: 80px;
+    height: 80px;
+    top: 8px;
+    right: 8px;
+    bottom: auto;
 }
 .countdown .roll{
     position: absolute;
@@ -611,12 +611,12 @@ body{
 
 .countdown .num{
     color: #fff;
-    font-size: 60px;
+    font-size: 32px;
     position: relative;
     font-weight: 500;
     z-index: 999;
     text-align: center;
-    line-height: 210px;
+    line-height: 80px;
     text-shadow: 0px 1px 0px #555;
 }