feat(nav): complete remaining zibll parity (search, i18n, senior menus, CSS)

- Remove obsolete dual-path nav CSS; add utilities + language dropdown styles
- Wire header/mobile translate switcher from i18n config
- Layout-2 inline search hot keywords panel; nav_folding on resize
- NavMenuOptions JSON editors for graphic_card / multi_column_links
- Section-navs zibll posts-nav-lists; page-navs enqueue; mobile article TOC box
- SPA/PHP user-card publish type; rebuild admin assets

assets/admin/src/schema/sections/page-display/index.js

@@ -37,6 +37,7 @@ export const pageDisplaySchemas = {
       header_nav_pay_vip: true,
       header_nav_user_pay_vip: true,
       header_newposts_types: ['post'],
+      header_user_newposts_btn: 'post',
       header_user_newposts_text: '发布内容',
       mobile_header_layout: 'center',
       mobile_navbar_align: 'left',
@@ -124,6 +125,11 @@ export const pageDisplaySchemas = {
             { label: '帖子', value: 'topic' },
             { label: '商品', value: 'product' },
           ], dependsOn: { key: 'header_newposts_enabled', value: true }, help: '未开启的模块不会显示' },
+          { key: 'header_user_newposts_btn', label: '用户卡发布类型', type: 'select', default: 'post', options: [
+            { label: '文章', value: 'post' },
+            { label: '帖子', value: 'topic' },
+            { label: '商品', value: 'product' },
+          ] },
           { key: 'header_user_newposts_text', label: '用户卡发布文案', type: 'input', default: '发布内容' },
           { key: 'header_nav_pay_vip', label: '导航栏开通会员按钮', type: 'switch', default: true, help: '顶部导航显示开通会员' },
           { key: 'header_nav_user_pay_vip', label: '用户框开通会员按钮', type: 'switch', default: true },