feat(JlsBottomNav): 优化底部导航，新增自定义激活色与滚动提示

- 移除未使用的ElMessage自动导入配置
- 调整导航栏默认高度从80px改为88px
- 新增颜色处理工具函数，支持读取接口或mock数据中的激活态颜色
- 重构组件模板与样式，优化滚动布局并添加滚动提示动画
- 完善小程序跳转逻辑，区分首页与其他页面的跳转方式
- 更新组件文档与mock测试数据

 {
   "globals": {
     "EffectScope": true,
-    "ElMessage": true,
     "computed": true,
     "createApp": true,
     "customRef": true,

@@ -2,7 +2,6 @@
 export {}
 declare global {
   const EffectScope: typeof import('vue')['EffectScope']
-  const ElMessage: typeof import('element-plus/es')['ElMessage']
   const computed: typeof import('vue')['computed']
   const createApp: typeof import('vue')['createApp']
   const customRef: typeof import('vue')['customRef']

 <template>
   <div v-if="visible" class="jls-bottom-nav">
-    <div ref="panelRef" class="jls-bottom-nav__panel" @scroll="syncScrollState">
-      <div class="jls-bottom-nav__content" :class="{ 'is-scrollable': isScrollable }">
-        <button
-          v-for="item in tabItems"
-          :key="item.key"
-          type="button"
-          class="jls-bottom-nav__item"
-          :class="{ 'is-active': isActive(item.key), 'is-scrollable': isScrollable }"
-          :style="itemStyle"
-          @click="navigate(item)"
+    <div class="jls-bottom-nav__placeholder" />
+
+    <div class="jls-bottom-nav__wrap">
+      <div ref="panelRef" class="jls-bottom-nav__panel" @scroll="handlePanelScroll">
+        <div
+          class="jls-bottom-nav__content"
+          :class="{ 'is-scrollable': isScrollable }"
+          :style="contentStyle"
         >
-          <span class="jls-bottom-nav__item-inner">
-            <span class="jls-bottom-nav__icon">
-              <i class="jls-bottom-nav__icon-font" :class="getIconClasses(item)" aria-hidden="true"></i>
+          <button
+            v-for="item in tabItems"
+            :key="item.key"
+            type="button"
+            class="jls-bottom-nav__item"
+            :class="{ 'is-active': isActive(item.key), 'is-scrollable': isScrollable }"
+            :style="itemStyle"
+            @click="navigate(item)"
+          >
+            <span class="jls-bottom-nav__item-inner" :style="getItemInnerStyle(item)">
+              <span class="jls-bottom-nav__icon">
+                <i class="jls-bottom-nav__icon-font" :class="getIconClasses(item)" aria-hidden="true"></i>
+              </span>
+              <span class="jls-bottom-nav__label">{{ item.title }}</span>
             </span>
-            <span class="jls-bottom-nav__label">{{ item.title }}</span>
-          </span>
-        </button>
+          </button>
+        </div>
       </div>
-    </div>
 
-    <div v-if="showScrollFade" class="jls-bottom-nav__fade" />
+      <div v-if="showScrollHint" class="jls-bottom-nav__fade">
+        <div v-if="showScrollArrow" class="jls-bottom-nav__hint-arrow" />
+      </div>
+    </div>
   </div>
 </template>
 
 <script setup>
-import { computed, nextTick, onMounted, ref, watch } from 'vue';
+import { computed, nextTick, onBeforeUnmount, onMounted, ref, watch } from 'vue';
 import { useRoute } from 'vue-router';
 import wx from 'weixin-js-sdk';
 import './iconfont.css';
@@ -34,7 +44,10 @@ import { useJlsTabbar } from './useTabbar';
 import { getTabbarIconClasses } from './tabbar.utils';
 import { resolveJlsCheckinActiveTab } from './nav-state';
 
-const SCROLLABLE_ITEM_WIDTH = 92;
+const SCROLLABLE_ITEM_WIDTH = 108;
+const SCROLLABLE_SIDE_PADDING = 24;
+const SCROLL_HINT_STORAGE_KEY = 'jls_bottom_nav_scroll_hint_seen_v2';
+const SCROLL_HINT_OFFSET = 36;
 const defaultLoadOptions = Object.freeze({
   useMock: false,
   mockData: null,
@@ -57,10 +70,25 @@ const props = defineProps({
 const route = useRoute();
 const panelRef = ref(null);
 const isScrolledToEnd = ref(false);
+const hasPlayedScrollHint = ref(false);
+const hasUserScrolled = ref(false);
+const isPlayingAutoScrollHint = ref(false);
 const tabbar = useJlsTabbar();
 
 const tabItems = computed(() => tabbar.visibleTabItems.value);
+const activeColor = computed(() => tabbar.activeColor.value);
 const isScrollable = computed(() => tabItems.value.length > 4);
+const showScrollHint = computed(() => isScrollable.value && !isScrolledToEnd.value);
+const showScrollArrow = computed(() => showScrollHint.value && !hasUserScrolled.value);
+const contentStyle = computed(() => {
+  if (!isScrollable.value) {
+    return null;
+  }
+
+  return {
+    width: `${(tabItems.value.length * SCROLLABLE_ITEM_WIDTH) + SCROLLABLE_SIDE_PADDING}px`,
+  };
+});
 const itemStyle = computed(() => {
   if (!isScrollable.value) {
     return null;
@@ -71,13 +99,39 @@ const itemStyle = computed(() => {
     minWidth: `${SCROLLABLE_ITEM_WIDTH}px`,
   };
 });
-const showScrollFade = computed(() => isScrollable.value && !isScrolledToEnd.value);
 const currentActiveTab = computed(() => resolveJlsCheckinActiveTab(route.query || {}));
 
+let scrollHintForwardTimer = null;
+let scrollHintResetTimer = null;
+
 const isActive = (key) => key === currentActiveTab.value;
 
 const getIconClasses = (item) => getTabbarIconClasses(item);
 
+const getItemInnerStyle = (item) => {
+  if (!isActive(item?.key)) {
+    return null;
+  }
+
+  return {
+    color: activeColor.value,
+  };
+};
+
+const clearScrollHintTimers = () => {
+  if (scrollHintForwardTimer) {
+    clearTimeout(scrollHintForwardTimer);
+    scrollHintForwardTimer = null;
+  }
+
+  if (scrollHintResetTimer) {
+    clearTimeout(scrollHintResetTimer);
+    scrollHintResetTimer = null;
+  }
+
+  isPlayingAutoScrollHint.value = false;
+};
+
 const syncScrollState = () => {
   const panel = panelRef.value;
 
@@ -90,6 +144,62 @@ const syncScrollState = () => {
   isScrolledToEnd.value = panel.scrollLeft >= maxScrollLeft - 4;
 };
 
+const handlePanelScroll = () => {
+  const panel = panelRef.value;
+
+  if (!panel) {
+    isScrolledToEnd.value = false;
+    return;
+  }
+
+  syncScrollState();
+
+  if (isPlayingAutoScrollHint.value || hasUserScrolled.value) {
+    return;
+  }
+
+  if (panel.scrollLeft > 6) {
+    hasUserScrolled.value = true;
+  }
+};
+
+const playScrollHint = async () => {
+  if (!showScrollHint.value || hasPlayedScrollHint.value || typeof window === 'undefined') {
+    return;
+  }
+
+  if (window.localStorage?.getItem(SCROLL_HINT_STORAGE_KEY)) {
+    hasPlayedScrollHint.value = true;
+    return;
+  }
+
+  hasPlayedScrollHint.value = true;
+  await nextTick();
+
+  const panel = panelRef.value;
+  if (!panel) {
+    return;
+  }
+
+  isPlayingAutoScrollHint.value = true;
+
+  scrollHintForwardTimer = window.setTimeout(() => {
+    panel.scrollTo({
+      left: SCROLL_HINT_OFFSET,
+      behavior: 'smooth',
+    });
+  }, 240);
+
+  scrollHintResetTimer = window.setTimeout(() => {
+    panel.scrollTo({
+      left: 0,
+      behavior: 'smooth',
+    });
+    isPlayingAutoScrollHint.value = false;
+    window.localStorage?.setItem(SCROLL_HINT_STORAGE_KEY, '1');
+  }, 1080);
+};
+
 const navigate = (item) => {
   const targetUrl = tabbar.resolveTargetUrl(item);
 
@@ -97,7 +207,7 @@ const navigate = (item) => {
     return;
   }
 
-  if (wx?.miniProgram?.redirectTo) {
+  if (item?.key === 'home' && wx?.miniProgram?.redirectTo) {
     wx.miniProgram.redirectTo({
       url: targetUrl,
       fail: () => {
@@ -107,6 +217,21 @@ const navigate = (item) => {
     return;
   }
 
+  if (wx?.miniProgram?.navigateTo) {
+    wx.miniProgram.navigateTo({
+      url: targetUrl,
+      fail: () => {
+        wx?.miniProgram?.redirectTo?.({
+          url: targetUrl,
+          fail: () => {
+            wx?.miniProgram?.reLaunch?.({ url: targetUrl });
+          },
+        });
+      },
+    });
+    return;
+  }
+
   wx?.miniProgram?.reLaunch?.({ url: targetUrl });
 };
 
@@ -114,11 +239,17 @@ watch(
   () => tabItems.value.length,
   async () => {
     await nextTick();
-    syncScrollState();
+    handlePanelScroll();
   },
   { immediate: true },
 );
 
+watch(showScrollHint, (value) => {
+  if (value) {
+    playScrollHint();
+  }
+}, { immediate: true });
+
 onMounted(async () => {
   if (!props.visible) {
     return;
@@ -126,27 +257,38 @@ onMounted(async () => {
 
   await tabbar.ensureLoaded(props.loadOptions || defaultLoadOptions);
   await nextTick();
-  syncScrollState();
+  handlePanelScroll();
+});
+
+onBeforeUnmount(() => {
+  clearScrollHintTimers();
 });
 </script>
 
 <style scoped>
 .jls-bottom-nav {
+  --jls-bottom-nav-height: 88px;
+}
+
+.jls-bottom-nav__placeholder {
+  height: var(--jls-bottom-nav-height);
+  flex-shrink: 0;
+}
+
+.jls-bottom-nav__wrap {
   position: fixed;
   bottom: 0;
   left: 0;
   right: 0;
   z-index: 50;
-  height: 80px;
-  min-height: 80px;
-  background: rgba(255, 255, 255, 0.98);
-  border-top: 1px solid rgba(166, 121, 57, 0.12);
-  backdrop-filter: blur(6px);
   overflow: hidden;
 }
 
 .jls-bottom-nav__panel {
-  height: 100%;
+  height: var(--jls-bottom-nav-height);
+  background: rgba(255, 255, 255, 0.98);
+  border-top: 1px solid rgba(166, 121, 57, 0.12);
+  backdrop-filter: blur(8px);
   overflow-x: auto;
   overflow-y: hidden;
   scrollbar-width: none;
@@ -160,16 +302,14 @@ onMounted(async () => {
 .jls-bottom-nav__content {
   display: flex;
   align-items: stretch;
-  justify-content: space-around;
   box-sizing: border-box;
   height: 100%;
-  padding: 8px 12px;
+  padding: 10px 12px;
 }
 
 .jls-bottom-nav__content.is-scrollable {
-  justify-content: flex-start;
-  width: max-content;
-  min-width: 100%;
+  display: inline-flex;
+  white-space: nowrap;
 }
 
 .jls-bottom-nav__item {
@@ -181,12 +321,13 @@ onMounted(async () => {
   padding: 0;
   border: 0;
   background: transparent;
-  color: #8b95a7;
   cursor: pointer;
 }
 
 .jls-bottom-nav__item.is-scrollable {
   flex: 0 0 auto;
+  padding-right: 4px;
+  box-sizing: border-box;
 }
 
 .jls-bottom-nav__item-inner {
@@ -195,34 +336,29 @@ onMounted(async () => {
   align-items: center;
   justify-content: center;
   width: 100%;
-  height: 100%;
-  gap: 5px;
-  border-radius: 10px;
-  color: inherit;
-  transition: color 0.2s ease, transform 0.2s ease;
-}
-
-.jls-bottom-nav__item.is-active {
-  color: #a67939;
+  min-height: 64px;
+  gap: 8px;
+  border-radius: 12px;
+  color: #8b95a7;
+  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
 }
 
 .jls-bottom-nav__icon {
   display: flex;
   align-items: center;
   justify-content: center;
-  width: 18px;
-  height: 18px;
   line-height: 1;
+  color: inherit;
 }
 
 .jls-bottom-nav__icon-font {
-  font-size: 18px;
+  font-size: 24px;
   line-height: 1;
 }
 
 .jls-bottom-nav__label {
-  font-size: 11px;
-  line-height: 1.2;
+  font-size: 13px;
+  line-height: 1.25;
   font-weight: 600;
 }
 
@@ -231,36 +367,48 @@ onMounted(async () => {
   top: 0;
   right: 0;
   bottom: 0;
-  width: 48px;
-  pointer-events: none;
+  width: 56px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
   background: linear-gradient(
     90deg,
     rgba(255, 255, 255, 0) 0%,
-    rgba(255, 255, 255, 0.36) 42%,
+    rgba(255, 255, 255, 0.2) 26%,
+    rgba(255, 255, 255, 0.74) 68%,
     rgba(255, 255, 255, 0.98) 100%
   );
+  pointer-events: none;
+}
+
+.jls-bottom-nav__hint-arrow {
+  width: 8px;
+  height: 8px;
+  margin-right: 8px;
+  border-top: 1px solid rgba(166, 121, 57, 0.32);
+  border-right: 1px solid rgba(166, 121, 57, 0.32);
+  transform: rotate(45deg);
 }
 
 @media screen and (min-width: 768px) {
-  .jls-bottom-nav__content {
-    padding: 8px 16px;
+  .jls-bottom-nav {
+    --jls-bottom-nav-height: 92px;
   }
 
-  .jls-bottom-nav__item-inner {
-    gap: 6px;
+  .jls-bottom-nav__content {
+    padding: 10px 16px;
   }
 
-  .jls-bottom-nav__icon {
-    width: 20px;
-    height: 20px;
+  .jls-bottom-nav__item-inner {
+    gap: 9px;
   }
 
   .jls-bottom-nav__icon-font {
-    font-size: 20px;
+    font-size: 26px;
   }
 
   .jls-bottom-nav__label {
-    font-size: 12px;
+    font-size: 14px;
   }
 }
 

@@ -78,6 +78,7 @@ import JlsBottomNav from '@/components/JlsBottomNav';
 
 - `fa-` 开头：按 `font-awesome` 渲染
 - 其他 class：按 `iconfont` 渲染
+- 激活态颜色优先读取接口根级 `color`
 
 示例：
 
@@ -134,7 +135,9 @@ import { getJlsTabbarPreviewOptions } from '@/components/JlsBottomNav/preview';
 
 ## 注意点
 
-- 组件默认按小程序 WebView 跳转方式调用 `wx.miniProgram.redirectTo / reLaunch`。
+- 组件默认按当前小程序规则跳转：
+  - `home` 优先走 `wx.miniProgram.redirectTo`
+  - 非 `home` 优先走 `wx.miniProgram.navigateTo`，失败后再降级
 - 底栏显示兜底规则是“只保留首页”：
   - 只有接口成功并返回有效菜单时，才显示首页之外的其他项
   - 接口空数组、失败、异常、无法归一化时，都只显示 `home`
@@ -143,4 +146,5 @@ import { getJlsTabbarPreviewOptions } from '@/components/JlsBottomNav/preview';
   - 其他项不会直接跳裸 H5 URL，而是优先使用接口返回的 `page_url`
   - 如果接口没有返回 `page_url`，则会把 `webview_url` 包装成小程序承接页地址，例如 `/pages/webview-preview/index?url=...`
 - 也就是说，当前实现仍然是“首页回小程序页，其他项走小程序承接页再打开 H5”，不是“其他项直接在当前 H5 中跳转到接口 URL”。
+- 非首页保留页面栈的原因和小程序一致：进入 `webview-preview` 后，需要保住微信原生左上角返回按钮。
 - 当前样式尺寸以 H5 版本为准，没有照搬小程序 `rpx` 布局。

 export const getJlsTabbarMockData = () => ({
+  color: '#86190C',
   home: {
     title: '首页',
     icon: 'fa-home',

@@ -45,6 +45,7 @@ const KNOWN_TABBAR_ITEM_MAP = {
 
 const TABBAR_ORDER = ['home', 'news', 'list', 'user'];
 const DEFAULT_ICON_CLASS = 'fa-circle-o';
+const DEFAULT_TABBAR_ACTIVE_COLOR = '#a67939';
 
 const normalizeVisibleValue = (rawValue, fallbackValue = true) => {
   if (typeof rawValue === 'boolean') {
@@ -113,6 +114,19 @@ export const getDefaultTabbarItems = () =>
 
 export const getHomeOnlyTabbarItems = () => [getDefaultTabbarItem('home')].filter(Boolean);
 
+export const getDefaultTabbarActiveColor = () => DEFAULT_TABBAR_ACTIVE_COLOR;
+
+export const normalizeTabbarColor = (rawPayload = null) => {
+  const rawColor = rawPayload?.color;
+
+  if (typeof rawColor !== 'string') {
+    return DEFAULT_TABBAR_ACTIVE_COLOR;
+  }
+
+  const normalizedColor = rawColor.trim();
+  return normalizedColor || DEFAULT_TABBAR_ACTIVE_COLOR;
+};
+
 const buildTabbarPageUrl = (key, webviewUrl, webviewTitle, rawPageUrl = '') => {
   if (key === 'home') {
     return rawPageUrl || '/pages/index/index';

 import { computed, reactive, readonly } from 'vue';
 import { getTabbarConfigAPI } from './tabbar.api';
 import {
+  getDefaultTabbarActiveColor,
   getDefaultTabbarItem,
   getHomeOnlyTabbarItems,
+  normalizeTabbarColor,
   normalizeTabbarKey,
   normalizeTabbarPayload,
   resolveTabbarTargetUrl,
@@ -10,6 +12,7 @@ import {
 
 const state = reactive({
   tabItems: getHomeOnlyTabbarItems(),
+  activeColor: getDefaultTabbarActiveColor(),
   loaded: false,
   loading: false,
   loadMode: 'api',
@@ -19,6 +22,7 @@ let tabbarRequestPromise = null;
 
 const applyFallbackItems = () => {
   state.tabItems = getHomeOnlyTabbarItems();
+  state.activeColor = getDefaultTabbarActiveColor();
 };
 
 const resolveLoadMode = (options = {}) => (options.useMock ? 'mock' : 'api');
@@ -40,6 +44,7 @@ export const fetchTabbarConfig = async (force = false, options = {}) => {
     try {
       if (loadMode === 'mock') {
         state.tabItems = normalizeTabbarPayload(options.mockData);
+        state.activeColor = normalizeTabbarColor(options.mockData);
         state.loadMode = loadMode;
         return state.tabItems;
       }
@@ -48,6 +53,7 @@ export const fetchTabbarConfig = async (force = false, options = {}) => {
 
       if (response?.code === 1) {
         state.tabItems = normalizeTabbarPayload(response?.data);
+        state.activeColor = normalizeTabbarColor(response?.data);
       } else {
         applyFallbackItems();
       }
@@ -91,6 +97,7 @@ export const useJlsTabbar = () => {
     state: readonly(state),
     visibleTabItems,
     getTabItem,
+    activeColor: computed(() => state.activeColor),
     ensureLoaded: ensureTabbarLoaded,
     fetchTabbarConfig,
     resolveTargetUrl: resolveTabbarTargetUrl,

@@ -8,7 +8,7 @@ export const CHECKIN_NAV_MODE = {
 
 export const CHECKIN_ACTIVE_TAB = JLS_CHECKIN_ACTIVE_TAB;
 
-const NAV_HEIGHT = '80px';
+const NAV_HEIGHT = '88px';
 
 export function resolveCheckinNavMode(query = {}) {
   const rawMode = Array.isArray(query.navMode) ? query.navMode[0] : query.navMode;