diff --git a/frontend/app.html b/frontend/app.html
index ef947bf..b894a08 100644
--- a/frontend/app.html
+++ b/frontend/app.html
@@ -3137,18 +3137,18 @@
             <button type="button" class="btn btn-secondary share-refresh-btn" @click="refreshShareResources" aria-label="刷新分享资源">
               <i class="fas fa-sync-alt"></i><span class="share-action-label">刷新</span>
             </button>
-            <button type="button" class="btn btn-primary share-create-btn" @click="switchView('files')">
+            <button type="button" class="btn btn-primary share-create-btn" @click="switchView('files')" aria-label="创建分享" title="创建分享">
               <i class="fas fa-plus"></i><span class="share-action-label">创建分享</span>
             </button>
           </div>
         </header>
 
         <nav class="share-resource-tabs" aria-label="分享资源分类">
-          <button type="button" :class="{ active: shareResourceTab === 'shares' }" @click="shareResourceTab = 'shares'; showMobileShareFilters = false">
+          <button type="button" :class="{ active: shareResourceTab === 'shares' }" @click="shareResourceTab = 'shares'">
             <i class="fas fa-share-alt"></i> 分享链接
             <span>{{ shares.length }}</span>
           </button>
-          <button type="button" :class="{ active: shareResourceTab === 'directLinks' }" @click="shareResourceTab = 'directLinks'; showMobileShareFilters = false">
+          <button type="button" :class="{ active: shareResourceTab === 'directLinks' }" @click="shareResourceTab = 'directLinks'">
             <i class="fas fa-link"></i> 文件直链
             <span>{{ directLinks.length }}</span>
           </button>
@@ -3161,22 +3161,12 @@
             <span><i class="fas fa-shield-alt"></i> 状态 <strong>运行正常</strong></span>
           </div>
 
-          <div class="share-toolbar shares-toolbar" :class="{ 'share-filters-open': showMobileShareFilters, 'share-toolbar-direct': shareResourceTab === 'directLinks' }">
+          <div class="share-toolbar shares-toolbar" :class="{ 'share-toolbar-direct': shareResourceTab === 'directLinks' }">
             <div class="share-search-field">
               <i class="fas fa-search"></i>
               <input type="text" v-model="shareFilters.keyword" :placeholder="shareResourceTab === 'shares' ? '搜索文件名、链接或分享码' : '搜索文件名或直链地址'">
             </div>
-            <button
-              v-if="shareResourceTab === 'shares'"
-              type="button"
-              class="mobile-share-filter-toggle"
-              :class="{ active: activeShareFilterCount > 0 }"
-              :aria-expanded="showMobileShareFilters"
-              @click="showMobileShareFilters = !showMobileShareFilters">
-              <i class="fas fa-sliders-h"></i><span>筛选</span>
-              <span v-if="activeShareFilterCount > 0" class="mobile-share-filter-count">{{ activeShareFilterCount }}</span>
-            </button>
-            <div v-if="shareResourceTab === 'shares'" class="share-filter-controls" :class="{ 'is-open': showMobileShareFilters }">
+            <div v-if="shareResourceTab === 'shares'" class="share-filter-controls">
               <select v-model="shareFilters.type" aria-label="分享类型">
                 <option value="all">全部类型</option>
                 <option value="file">文件</option>
@@ -4051,14 +4041,13 @@
           <h3 style="margin: 0;">用户管理</h3>
           <button
             type="button"
-            class="mobile-admin-users-filter-toggle"
-            :class="{ active: showMobileAdminUserFilters || activeAdminUserFilterCount > 0 }"
-            :aria-expanded="showMobileAdminUserFilters ? 'true' : 'false'"
-            @click="showMobileAdminUserFilters = !showMobileAdminUserFilters"
+            class="mobile-admin-users-reset-btn"
+            :disabled="activeAdminUserFilterCount === 0"
+            @click="resetAdminUserFilters"
+            aria-label="重置用户筛选"
+            title="重置筛选"
           >
-            <i class="fas fa-sliders"></i>
-            <span>筛选</span>
-            <span v-if="activeAdminUserFilterCount" class="mobile-admin-users-filter-count">{{ activeAdminUserFilterCount }}</span>
+            <i class="fas fa-filter-circle-xmark"></i>
           </button>
           <button type="button" class="btn btn-secondary admin-users-refresh-btn" @click="loadUsers" :disabled="adminUsersLoading" style="min-width: 92px;" aria-label="刷新用户列表">
             <i :class="adminUsersLoading ? 'fas fa-spinner fa-spin' : 'fas fa-rotate'"></i>
@@ -4066,23 +4055,23 @@
           </button>
         </div>
 
-        <div class="admin-users-toolbar" :class="{ 'is-open': showMobileAdminUserFilters }">
+        <div class="admin-users-toolbar">
           <div class="admin-users-filter admin-users-filter-search">
             <label>搜索</label>
             <input type="text" v-model.trim="adminUserFilters.keyword" @input="triggerAdminUsersKeywordSearch" placeholder="ID / 用户名 / 邮箱">
           </div>
           <div class="admin-users-filter">
             <label>角色</label>
-            <select v-model="adminUserFilters.role" @change="handleAdminUsersFilterChange">
-              <option value="all">全部</option>
+            <select v-model="adminUserFilters.role" @change="handleAdminUsersFilterChange" aria-label="用户角色">
+              <option value="all">全部角色</option>
               <option value="admin">管理员</option>
               <option value="user">普通用户</option>
             </select>
           </div>
           <div class="admin-users-filter">
             <label>状态</label>
-            <select v-model="adminUserFilters.status" @change="handleAdminUsersFilterChange">
-              <option value="all">全部</option>
+            <select v-model="adminUserFilters.status" @change="handleAdminUsersFilterChange" aria-label="用户状态">
+              <option value="all">全部状态</option>
               <option value="active">正常</option>
               <option value="banned">已封禁</option>
               <option value="unverified">未激活</option>
@@ -4091,8 +4080,8 @@
           </div>
           <div class="admin-users-filter">
             <label>存储</label>
-            <select v-model="adminUserFilters.storage" @change="handleAdminUsersFilterChange">
-              <option value="all">全部</option>
+            <select v-model="adminUserFilters.storage" @change="handleAdminUsersFilterChange" aria-label="用户存储类型">
+              <option value="all">全部存储</option>
               <option value="local">当前本地</option>
               <option value="oss">当前OSS</option>
               <option value="local_only">仅本地</option>
@@ -4102,7 +4091,7 @@
           </div>
           <div class="admin-users-filter">
             <label>排序</label>
-            <select v-model="adminUserFilters.sort" @change="handleAdminUsersFilterChange">
+            <select v-model="adminUserFilters.sort" @change="handleAdminUsersFilterChange" aria-label="用户排序方式">
               <option value="created_desc">注册时间（新到旧）</option>
               <option value="created_asc">注册时间（旧到新）</option>
               <option value="username_asc">用户名（A-Z）</option>
@@ -4113,10 +4102,10 @@
           </div>
           <div class="admin-users-filter admin-users-filter-page-size">
             <label>每页</label>
-            <select v-model.number="adminUsersPageSize" @change="handleAdminUsersPageSizeChange">
-              <option :value="20">20</option>
-              <option :value="50">50</option>
-              <option :value="100">100</option>
+            <select v-model.number="adminUsersPageSize" @change="handleAdminUsersPageSizeChange" aria-label="每页用户数量">
+              <option :value="20">20 条</option>
+              <option :value="50">50 条</option>
+              <option :value="100">100 条</option>
             </select>
           </div>
           <div class="admin-users-filter admin-users-filter-reset">
diff --git a/frontend/app.js b/frontend/app.js
index a14dd26..54ab176 100644
--- a/frontend/app.js
+++ b/frontend/app.js
@@ -154,8 +154,6 @@ createApp({
         status: 'all', // all/active/expiring/expired/protected/public
         sort: 'created_desc' // created_desc/created_asc/views_desc/downloads_desc/expire_asc
       },
-      showMobileShareFilters: false,
-
       // 文件重命名
       showRenameModal: false,
       renameForm: {
@@ -217,7 +215,6 @@ createApp({
         storage: 'all', // all/local/oss/local_only/oss_only/user_choice
         sort: 'created_desc' // created_desc/created_asc/username_asc/username_desc/storage_usage_desc/download_usage_desc
       },
-      showMobileAdminUserFilters: false,
       showResetPwdModal: false,
       resetPwdUser: {},
       newPassword: '',
@@ -644,14 +641,6 @@ createApp({
     },
 
     // 分享筛选+排序后的列表
-    activeShareFilterCount() {
-      return [
-        this.shareFilters.type !== 'all',
-        this.shareFilters.status !== 'all',
-        this.shareFilters.sort !== 'created_desc'
-      ].filter(Boolean).length;
-    },
-
     filteredShares() {
       let list = [...this.shares];
       const keyword = this.shareFilters.keyword.trim().toLowerCase();
diff --git a/frontend/workspace.css b/frontend/workspace.css
index 7444f20..04e5ed3 100644
--- a/frontend/workspace.css
+++ b/frontend/workspace.css
@@ -3403,15 +3403,11 @@ body.enterprise-netdisk .mobile-file-create-trigger {
 }
 
 /* Content-first mobile layout for shares, settings and administration. */
-body.enterprise-netdisk .mobile-share-filter-toggle {
-  display: none;
-}
-
 body.enterprise-netdisk .share-filter-controls {
   display: contents;
 }
 
-body.enterprise-netdisk .mobile-admin-users-filter-toggle {
+body.enterprise-netdisk .mobile-admin-users-reset-btn {
   display: none;
 }
 
@@ -3481,7 +3477,12 @@ body.enterprise-netdisk .mobile-admin-users-filter-toggle {
     padding: 0;
   }
 
-  body.enterprise-netdisk .share-refresh-btn .share-action-label {
+  body.enterprise-netdisk .shares-page-actions .share-create-btn {
+    width: 40px;
+    padding: 0;
+  }
+
+  body.enterprise-netdisk .shares-page-actions .share-action-label {
     display: none;
   }
 
@@ -3547,9 +3548,9 @@ body.enterprise-netdisk .mobile-admin-users-filter-toggle {
     margin: 9px 14px 8px;
     padding: 0;
     display: grid;
-    grid-template-columns: minmax(0, 1fr) auto;
+    grid-template-columns: minmax(0, 1fr);
     align-items: center;
-    gap: 7px;
+    gap: 6px;
     border: 0;
     border-radius: 0;
     background: transparent;
@@ -3570,52 +3571,7 @@ body.enterprise-netdisk .mobile-admin-users-filter-toggle {
     font-size: 12px;
   }
 
-  body.enterprise-netdisk .share-toolbar-direct .share-search-field {
-    grid-column: 1 / -1;
-  }
-
-  body.enterprise-netdisk .mobile-share-filter-toggle {
-    min-width: 72px;
-    min-height: 42px;
-    padding: 0 10px;
-    position: relative;
-    display: inline-flex;
-    align-items: center;
-    justify-content: center;
-    gap: 6px;
-    border: 1px solid #dce4ef;
-    border-radius: 10px;
-    color: #52627a;
-    background: #f7f9fc;
-    font-size: 12px;
-    font-weight: 700;
-  }
-
-  body.enterprise-netdisk .mobile-share-filter-toggle.active,
-  body.enterprise-netdisk .mobile-share-filter-toggle[aria-expanded="true"] {
-    color: var(--ww-blue);
-    border-color: #abc9f8;
-    background: #eef5ff;
-  }
-
-  body.enterprise-netdisk .mobile-share-filter-count {
-    min-width: 17px;
-    height: 17px;
-    padding: 0 4px;
-    display: inline-flex;
-    align-items: center;
-    justify-content: center;
-    border-radius: 999px;
-    color: #fff;
-    background: var(--ww-blue);
-    font-size: 9px;
-  }
-
   body.enterprise-netdisk .share-filter-controls {
-    display: none;
-  }
-
-  body.enterprise-netdisk .share-filter-controls.is-open {
     grid-column: 1 / -1;
     display: grid;
     grid-template-columns: repeat(3, minmax(0, 1fr));
@@ -3625,7 +3581,7 @@ body.enterprise-netdisk .mobile-admin-users-filter-toggle {
   body.enterprise-netdisk .share-resource-card .share-filter-controls select {
     width: 100%;
     min-width: 0;
-    min-height: 38px;
+    min-height: 34px;
     padding: 0 7px;
     border: 1px solid #dce4ef;
     border-radius: 9px;
@@ -3997,41 +3953,25 @@ body.enterprise-netdisk .mobile-admin-users-filter-toggle {
     font-size: 16px;
   }
 
-  body.enterprise-netdisk .mobile-admin-users-filter-toggle {
-    min-width: 68px;
+  body.enterprise-netdisk .mobile-admin-users-reset-btn {
+    width: 38px;
     min-height: 38px;
-    padding: 0 9px;
-    position: relative;
+    padding: 0;
     display: inline-flex;
     align-items: center;
     justify-content: center;
-    gap: 5px;
     border: 1px solid #dce4ef;
     border-radius: 9px;
     color: #52627a;
     background: #f7f9fc;
-    font-size: 11px;
-    font-weight: 700;
+    font-size: 12px;
   }
 
-  body.enterprise-netdisk .mobile-admin-users-filter-toggle.active,
-  body.enterprise-netdisk .mobile-admin-users-filter-toggle[aria-expanded="true"] {
-    color: var(--ww-blue);
-    border-color: #abc9f8;
-    background: #eef5ff;
-  }
-
-  body.enterprise-netdisk .mobile-admin-users-filter-count {
-    min-width: 16px;
-    height: 16px;
-    padding: 0 4px;
-    display: inline-flex;
-    align-items: center;
-    justify-content: center;
-    border-radius: 999px;
-    color: #fff;
-    background: var(--ww-blue);
-    font-size: 9px;
+  body.enterprise-netdisk .mobile-admin-users-reset-btn:disabled {
+    color: #aab4c3;
+    background: #f4f6f9;
+    cursor: default;
+    opacity: 0.65;
   }
 
   body.enterprise-netdisk .admin-users-refresh-btn {
@@ -4047,37 +3987,55 @@ body.enterprise-netdisk .mobile-admin-users-filter-toggle {
   }
 
   body.enterprise-netdisk .admin-users-toolbar {
-    display: none;
-  }
-
-  body.enterprise-netdisk .admin-users-toolbar.is-open {
-    margin: 0 10px 8px !important;
-    padding: 10px !important;
-    display: grid;
-    grid-template-columns: repeat(2, minmax(0, 1fr));
-    gap: 8px;
+    margin: 0 10px 7px !important;
+    padding: 8px !important;
+    display: grid !important;
+    grid-template-columns: repeat(6, minmax(0, 1fr));
+    gap: 6px;
     border-radius: 10px;
   }
 
-  body.enterprise-netdisk .admin-users-toolbar.is-open .admin-users-filter-search,
-  body.enterprise-netdisk .admin-users-toolbar.is-open .admin-users-filter-reset {
+  body.enterprise-netdisk .admin-users-toolbar .admin-users-filter-search {
     grid-column: 1 / -1;
   }
 
-  body.enterprise-netdisk .admin-users-toolbar.is-open .admin-users-filter {
+  body.enterprise-netdisk .admin-users-toolbar .admin-users-filter {
     min-width: 0;
   }
 
-  body.enterprise-netdisk .admin-users-toolbar.is-open label {
-    margin-bottom: 3px;
-    font-size: 10px;
+  body.enterprise-netdisk .admin-users-toolbar .admin-users-filter:nth-child(2),
+  body.enterprise-netdisk .admin-users-toolbar .admin-users-filter:nth-child(3),
+  body.enterprise-netdisk .admin-users-toolbar .admin-users-filter:nth-child(4) {
+    grid-column: span 2;
   }
 
-  body.enterprise-netdisk .admin-users-toolbar.is-open input,
-  body.enterprise-netdisk .admin-users-toolbar.is-open select,
-  body.enterprise-netdisk .admin-users-toolbar.is-open .btn {
-    min-height: 36px;
-    padding: 0 9px;
+  body.enterprise-netdisk .admin-users-toolbar .admin-users-filter:nth-child(5) {
+    grid-column: span 4;
+  }
+
+  body.enterprise-netdisk .admin-users-toolbar .admin-users-filter-page-size {
+    grid-column: span 2;
+  }
+
+  body.enterprise-netdisk .admin-users-toolbar .admin-users-filter-reset {
+    display: none;
+  }
+
+  body.enterprise-netdisk .admin-users-toolbar label {
+    position: absolute;
+    width: 1px;
+    height: 1px;
+    padding: 0;
+    overflow: hidden;
+    clip: rect(0, 0, 0, 0);
+    white-space: nowrap;
+    border: 0;
+  }
+
+  body.enterprise-netdisk .admin-users-toolbar input,
+  body.enterprise-netdisk .admin-users-toolbar select {
+    min-height: 34px;
+    padding: 0 8px;
     font-size: 11px;
   }
 
@@ -4272,7 +4230,7 @@ body.enterprise-netdisk .mobile-admin-users-filter-toggle {
     margin-inline: 11px;
   }
 
-  body.enterprise-netdisk .share-filter-controls.is-open {
+  body.enterprise-netdisk .share-filter-controls {
     gap: 4px;
   }