做几方面优化
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@@ -1,5 +1,8 @@
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<template>
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<el-aside :width="width" class="common-aside">
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<el-aside
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:width="width"
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:class="['common-aside', { 'is-collapsed': isCollapse }]"
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>
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<!-- 加载状态 -->
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<div v-if="loading" class="loading-spinner">
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<i class="el-icon-loading" style="font-size: 24px; color: #fff"></i>
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@@ -12,9 +15,12 @@
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<el-button size="small" @click="fetchMenus">重新加载</el-button>
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</div>
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<!-- 菜单标题:放在 el-menu 之外,避免随菜单一起滚动消失 -->
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<h3 v-if="showMenu">{{ isCollapse ? "管理" : asideTitle }}</h3>
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<!-- 菜单主体 -->
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<el-menu
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v-else
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v-if="showMenu"
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:collapse="isCollapse"
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:collapse-transition="false"
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:background-color="asideBgColor"
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@@ -22,13 +28,11 @@
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:active-text-color="activeColor"
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:active-background-color="activeBgColor"
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class="el-menu-vertical-demo"
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popper-class="common-aside-popper"
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:unique-opened="true"
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@select="handleMenuSelect"
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:default-active="route.path"
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>
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<!-- 菜单标题 -->
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<h3>{{ isCollapse ? "管理" : asideTitle }}</h3>
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<!-- 无模块时显示提示 -->
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<el-menu-item v-if="!currentModule" index="/home">
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<i class="fa-solid fa-house"></i>
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@@ -55,6 +59,7 @@
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v-else
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:index="item.path || item.id.toString()"
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:unique-opened="true"
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teleported
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:class="{ 'is-locked': item.locked }"
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>
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<template #title>
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@@ -81,6 +86,7 @@
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v-else
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:index="child.path || child.id.toString()"
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:unique-opened="true"
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teleported
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:class="{ 'is-locked': child.locked }"
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>
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<template #title>
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@@ -116,6 +122,7 @@
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v-else
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:index="grandchild.path || grandchild.id.toString()"
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:unique-opened="true"
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teleported
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:class="{ 'is-locked': grandchild.locked }"
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>
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<template #title>
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@@ -177,7 +184,9 @@ const errorMsg = computed(() => menuStore.error || "加载菜单失败");
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const store = useAllDataStore();
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const isCollapse = computed(() => store.state.isCollapse);
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const width = computed(() => (store.state.isCollapse ? "64px" : "200px"));
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const width = computed(() => (store.state.isCollapse ? "64px" : "220px"));
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// 菜单与标题的显示条件(与加载/错误分支互斥,避免 v-else 绑定错元素)
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const showMenu = computed(() => !loading.value && !(hasError.value && list.value.length === 0));
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const asideBgColor = ref("#304156");
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const asideTextColor = ref("#bfcbd9");
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@@ -508,7 +517,8 @@ h3 {
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// 菜单样式
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:deep(.el-menu) {
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border-right: none;
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height: calc(100% - 80px);
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// 标题已移到 el-menu 之外,这里只减掉标题区高度
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height: calc(100% - 60px);
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overflow-y: auto;
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overflow-x: hidden;
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padding: 16px 8px;
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@@ -577,14 +587,14 @@ h3 {
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}
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}
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// 悬浮样式
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// 悬浮样式:一律用蓝色系,避免 EP 默认的深灰/黑色 hover
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.el-menu-item:hover:not(.is-active),
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.el-sub-menu__title:hover {
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html:not(.dark) & {
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background-color: rgba(255, 255, 255, 0.1) !important;
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background-color: rgba(30, 86, 210, 0.5) !important;
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}
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html.dark & {
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background-color: rgba(60, 60, 60, 0.8) !important;
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background-color: rgba(57, 115, 255, 0.45) !important;
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}
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color: #ffffff !important;
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}
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@@ -649,12 +659,54 @@ h3 {
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.el-menu-item:hover:not(.is-active),
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.el-sub-menu__title:hover {
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background: rgba(255, 255, 255, 0.08) !important;
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color: var(--el-color-primary-light-3) !important;
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background: rgba(57, 115, 255, 0.45) !important;
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color: #fff !important;
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}
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}
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}
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// ---------------------------------------------------------------- 折叠态修复
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// 折叠(isCollapse)时 Element Plus 有一套自己的布局,下面逐条修正显示问题:
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// 1) EP 会把 .el-menu 强制成 64px,而 el-aside 的宽度有 0.3s 动画,
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// 两者不同步会导致收起瞬间菜单内容先跳变、右侧露出空白 → 改回 100% 跟随动画
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// 2) 菜单项保留默认左右内边距 + 图标右外边距,在 64px 宽下图标会偏左 → 归零并居中
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// 3) 激活项的 -3px 左移补偿在折叠态会把图标顶偏 → 折叠时取消
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// 4) 64px 宽的栏里再放 4px 滚动条很突兀 → 折叠时隐藏(仍可滚动)
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:deep(.el-menu.el-menu--collapse) {
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width: 100% !important;
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padding-left: 0;
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padding-right: 0;
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scrollbar-width: none;
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&::-webkit-scrollbar {
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display: none;
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}
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.el-menu-item,
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.el-sub-menu > .el-sub-menu__title {
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padding-left: 0 !important;
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padding-right: 0 !important;
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justify-content: center;
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}
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.menu-icon {
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margin-right: 0;
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}
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.el-menu-item.is-active {
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margin-left: 0;
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}
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}
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// 折叠后标题区收紧,避免 64px 下文字贴边
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.common-aside.is-collapsed h3 {
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font-size: 15px;
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padding: 0 4px;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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// 响应式设计
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// 注意:手机端(≤768px)侧栏的抽屉式布局由 Main.vue 统一控制(fixed 定位 + transform 动画),
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// 此处不要再对 .common-aside 设置 width,避免覆盖父级布局逻辑。
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@@ -664,3 +716,75 @@ h3 {
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}
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}
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</style>
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<style lang="less">
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// 折叠后 hover 弹出的子菜单浮层被 teleport 到 body,scoped 样式命中不了,
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// 只能用 popper-class + 全局样式配色,否则会是 Element Plus 默认的白底浮层
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.common-aside-popper.el-popper {
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background: #3973ff !important;
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border: 1px solid rgba(255, 255, 255, 0.14) !important;
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box-shadow: 0 8px 24px rgba(6, 45, 163, 0.28);
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.el-popper__arrow::before {
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background: #3973ff !important;
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border-color: rgba(255, 255, 255, 0.14) !important;
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}
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.el-menu {
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background: transparent !important;
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padding: 4px;
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border-right: none;
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}
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// 菜单项与"还有下级"的父级标题统一配色,避免 EP 默认的深灰/黑色 hover
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.el-menu-item {
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color: rgba(255, 255, 255, 0.88);
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border-radius: 8px;
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font-size: 13px;
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&:hover {
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background: rgba(30, 86, 210, 0.55) !important;
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color: #fff !important;
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}
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&.is-active {
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background: rgba(30, 86, 210, 0.7) !important;
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color: #fff !important;
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}
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}
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.el-sub-menu__title {
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color: rgba(255, 255, 255, 0.88);
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border-radius: 8px;
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background: transparent !important;
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&:hover {
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background: rgba(30, 86, 210, 0.55) !important;
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color: #fff !important;
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}
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}
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// 折叠态下 EP 用 ArrowRight 表示"还有下级",但展开时会内联 rotateZ(180deg) 把箭头翻成向左;
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// 浮层里的子菜单应当始终指向右(表示继续向右展开),故强制不旋转(内联样式需 !important 覆盖)
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.el-sub-menu__icon-arrow {
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transform: rotateZ(0deg) !important;
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}
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// 浮层宽度收敛,降低深层级因空间不足被 popper 翻转到左侧的概率
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.el-menu {
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min-width: 180px;
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}
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}
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html.dark {
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.common-aside-popper.el-popper {
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background: #2d2d2d !important;
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border-color: rgba(255, 255, 255, 0.1) !important;
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.el-popper__arrow::before {
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background: #2d2d2d !important;
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border-color: rgba(255, 255, 255, 0.1) !important;
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}
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}
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}
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</style>
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