chore：改动了滚动条

Reviewed-on: #5

src/views/BattleRanking.vue

@@ -49,10 +49,6 @@
         <div class="game-subtitle total-score-total-title">
           <img src="/completed_performance.png" 
   alt="总战绩" 
-  style="width: 600px; display: block; margin: 0 auto; height: auto;" 
-  class="total-score-total-image">
-          <img src="/completed_performance.png" 
-  alt="总战绩" 
   style="width: 880px; display: block; margin: 0 auto; height: auto;" 
   class="total-score-total-image">
         </div>
@@ -1413,7 +1409,6 @@ onUnmounted(() => {
 @media (max-width: 768px) {
 
   .total-score-total-image {
-    width: 280px !important; /* 调整总战绩图片大小，覆盖内联样式 */
     width: 340px !important; /* 调整总战绩图片大小，覆盖内联样式 */
   }
   
@@ -1928,7 +1923,6 @@ onUnmounted(() => {
   position: relative;
   margin-top: 0.8rem;
   max-height: 420px;
-  max-height: 420px;
  // 只对左侧战区的.rank-table生效（通过父容器限定）
   .team-rankings-container & {
     -ms-overflow-style: none; /* IE/Edge 隐藏 */
@@ -2107,7 +2101,6 @@ onUnmounted(() => {
 }
 
 .score-value {
-  font-size: calc(var(--individual-champion-font-size, 5rem) * 2);
   font-size: calc(var(--individual-champion-font-size, 6rem) * 2);
   font-weight: bold;
   color: #fff2c4;