feat: 优化路由 搭建赛事管理页面基础 处理部分样式问题 完成赛事列表页面搭建

src/assets/styles/index.less

@@ -55,3 +55,43 @@ a {
 ::-webkit-scrollbar-track {
   background: transparent;
 }
+
+// ===== 页面布局公共类 =====
+
+// 页面容器:纵向 flex,占满高度;筛选区与表格区作为直接子元素
+.page-container {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+}
+
+// 页面筛选区域:横向 flex,可换行
+.page-filter {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  column-gap: 16px;
+  row-gap: 12px;
+  flex-shrink: 0;
+}
+
+// 筛选区域操作按钮组:横向 flex
+.page-filter-actions {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  margin-left: 0;
+}
+
+// 表格显示区域:纵向 flex,占据剩余高度。
+// overflow: hidden 防止子元素撑开容器，滚动由 Table 的 scroll.x/y 接管。
+// 分页组件作为独立子元素置于 Table 下方，不占用 Table 的 scroll 空间。
+.page-table {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+  min-height: 0;
+  min-width: 0;
+  margin-top: 16px;
+  overflow: hidden;
+}

src/assets/styles/index.wxss

@@ -0,0 +1,62 @@
+* {
+  box-sizing: border-box;
+}
+html,
+body,
+#app {
+  height: 100%;
+  margin: 0;
+  padding: 0;
+}
+body {
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
+  font-size: 14px;
+  color: rgba(0, 0, 0, 0.88);
+  background-color: #f5f5f5;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+a {
+  color: #1677ff;
+  text-decoration: none;
+}
+a:hover {
+  opacity: 0.85;
+}
+::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+::-webkit-scrollbar-thumb {
+  background: rgba(0, 0, 0, 0.2);
+  border-radius: 3px;
+}
+::-webkit-scrollbar-track {
+  background: transparent;
+}
+.page-container {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+}
+.page-filter {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  column-gap: 16px;
+  row-gap: 12px;
+  flex-shrink: 0;
+}
+.page-filter-actions {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  margin-left: 0;
+}
+.page-table {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+  min-height: 0;
+  margin-top: 16px;
+}