优化：修复滚动条显示问题，优化管理端布局

src/styles/global.css

@@ -9,7 +9,7 @@ html,
 body {
   width: 100%;
   height: 100%;
-  overflow: hidden;
+  overflow: auto;
 }
 
 body {
@@ -25,7 +25,6 @@ body {
 #app {
   width: 100%;
   height: 100%;
-  overflow-y: scroll;
 }
 
 .el-container {

src/views/Admin.vue

@@ -328,9 +328,20 @@ const clearBackgroundImage = async () => {
 
 <style scoped>
 .admin-layout {
-  min-height: 100vh;
+  height: 100vh;
   background: var(--color-background);
   font-family: var(--font-family-primary);
+  overflow: hidden;
+}
+
+.admin-layout > .el-container {
+  flex-direction: column;
+  height: 100%;
+}
+
+.admin-layout > .el-container > .el-container {
+  flex: 1;
+  overflow: hidden;
 }
 
 .el-header {
@@ -344,6 +355,7 @@ const clearBackgroundImage = async () => {
   position: relative;
   z-index: 10;
   height: var(--header-height);
+  flex-shrink: 0;
 }
 
 .el-header::before {
@@ -387,6 +399,8 @@ const clearBackgroundImage = async () => {
   background: var(--color-sidebar-bg);
   border-right: 1px solid transparent;
   padding: var(--spacing-lg) 0;
+  overflow-y: auto;
+  flex-shrink: 0;
 }
 
 .admin-menu {
@@ -421,6 +435,8 @@ const clearBackgroundImage = async () => {
   max-width: 1400px;
   margin: 0 auto;
   width: 100%;
+  overflow-y: auto;
+  overflow-x: hidden;
 }
 
 /* 快捷键指南样式 */

src/views/Display.vue

@@ -201,10 +201,15 @@ onMounted(async () => {
   if (store.displayMode === 'scroll' && store.isRolling) {
     startScroll()
   }
+
+  // 隐藏滚动条
+  document.body.classList.add('display-page-no-scrollbar')
 })
 
 onUnmounted(() => {
   stopScroll()
+  // 恢复滚动条
+  document.body.classList.remove('display-page-no-scrollbar')
 })
 </script>
 
@@ -220,7 +225,7 @@ onUnmounted(() => {
   display: flex;
   flex-direction: column;
   align-items: center;
-  justify-content: center;
+  justify-content: flex-start;
   position: relative;
   outline: none;
   font-family: var(--font-family-primary);
@@ -244,10 +249,21 @@ onUnmounted(() => {
   z-index: 2;
 }
 
+/* 隐藏大屏端的滚动条 */
+.display-container::-webkit-scrollbar {
+  display: none;
+}
+
+.display-container {
+  -ms-overflow-style: none;
+  scrollbar-width: none;
+}
+
 /* 当前轮次信息 */
 .current-round-info {
   text-align: center;
-  margin-bottom: 40px;
+  margin: 20px 0 10px 0;
+  flex-shrink: 0;
 }
 
 .current-round-info.centered {
@@ -255,7 +271,7 @@ onUnmounted(() => {
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
-  margin-bottom: 0;
+  margin: 0;
   z-index: 10;
 }
 
@@ -263,31 +279,32 @@ onUnmounted(() => {
   font-size: v-bind('store.roundNameFontSize + "px"');
   font-weight: bold;
   color: v-bind('store.displayFontColor');
-  margin-bottom: 15px;
+  margin-bottom: 10px;
 }
 
 .prize-name {
   font-size: v-bind('store.prizeNameFontSize + "px"');
   font-weight: bold;
   color: v-bind('store.prizeNameFontColor');
+  margin-bottom: 0;
 }
 
 /* 滚动模式 */
 .scroll-mode {
+  flex: 1;
   width: 100%;
-  height: 100%;
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
   overflow: hidden;
-  padding: 0;
+  padding: 20px 0;
   box-sizing: border-box;
 }
 
 .scroll-list {
   display: grid;
-  gap: 30px;
+  gap: 20px;
   width: calc(100% - 80px);
   max-width: 1600px;
   padding: 0 40px;
@@ -298,7 +315,7 @@ onUnmounted(() => {
   font-size: v-bind('store.participantFontSize + "px"');
   font-weight: bold;
   color: v-bind('store.displayFontColor');
-  padding: 20px 30px;
+  padding: 15px 20px;
   text-align: center;
   background: rgba(255, 255, 255, 0.15);
   border-radius: 12px;
@@ -317,20 +334,20 @@ onUnmounted(() => {
 
 /* 结果模式 */
 .result-mode {
+  flex: 1;
   width: 100%;
-  height: 100%;
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
-  padding: 0;
+  padding: 20px 0;
   box-sizing: border-box;
 }
 
 .winners-list {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
-  gap: 30px;
+  gap: 20px;
   width: calc(100% - 80px);
   max-width: 1600px;
   padding: 0 40px;
@@ -341,7 +358,7 @@ onUnmounted(() => {
   font-size: v-bind('store.participantFontSize + "px"');
   font-weight: bold;
   color: v-bind('store.displayFontColor');
-  padding: 20px 30px;
+  padding: 15px 20px;
   background: rgba(255, 255, 255, 0.15);
   border-radius: 12px;
   text-align: center;
@@ -358,3 +375,15 @@ onUnmounted(() => {
   overflow-wrap: break-word;
 }
 </style>
+
+<style>
+/* 全局样式：隐藏大屏页面的滚动条 */
+.display-page-no-scrollbar::-webkit-scrollbar {
+  display: none;
+}
+
+.display-page-no-scrollbar {
+  -ms-overflow-style: none;
+  scrollbar-width: none;
+}
+</style>