feat: enhance import/export page with new layout and features

webapp/src/components/ImportPage.tsx

@@ -2,7 +2,7 @@
 import { argon2idAsync } from '@noble/hashes/argon2.js';
 import { strFromU8, unzipSync } from 'fflate';
 import { BlobReader, Uint8ArrayWriter, ZipReader, configure as configureZipJs } from '@zip.js/zip.js';
-import { Download, FileUp } from 'lucide-preact';
+import { Archive, ArrowLeftRight, Download, FileJson, FileUp } from 'lucide-preact';
 import ConfirmDialog from '@/components/ConfirmDialog';
 import type { CiphersImportPayload } from '@/lib/api';
 import {
@@ -581,8 +581,43 @@ export default function ImportPage({ onImport, onImportEncryptedRaw, accountKeys
   }
 
   return (
-    <div className="stack">
+    <div className="import-export-page">
-      <section className="card">
+      <section className="card import-export-hero">
+        <h3>{t('txt_import_export_title')}</h3>
+        <p className="import-export-hero-sub">{t('txt_import_export_feature_intro')}</p>
+        <div className="import-export-feature-grid">
+          <article className="import-export-feature-item">
+            <span className="import-export-feature-icon">
+              <Archive size={16} />
+            </span>
+            <div>
+              <strong>{t('txt_import_export_feature_bw_zip_title')}</strong>
+              <p>{t('txt_import_export_feature_bw_zip_desc')}</p>
+            </div>
+          </article>
+          <article className="import-export-feature-item">
+            <span className="import-export-feature-icon">
+              <FileJson size={16} />
+            </span>
+            <div>
+              <strong>{t('txt_import_export_feature_nodewarden_json_title')}</strong>
+              <p>{t('txt_import_export_feature_nodewarden_json_desc')}</p>
+            </div>
+          </article>
+          <article className="import-export-feature-item">
+            <span className="import-export-feature-icon">
+              <ArrowLeftRight size={16} />
+            </span>
+            <div>
+              <strong>{t('txt_import_export_feature_compat_title')}</strong>
+              <p>{t('txt_import_export_feature_compat_desc')}</p>
+            </div>
+          </article>
+        </div>
+      </section>
+
+      <div className="import-export-panels">
+      <section className="card import-export-panel">
         <h3>{t('txt_import')}</h3>
         <p className="muted" style={{ textAlign: 'left', marginBottom: 12 }}>
           {t('txt_import_vault_data_hint')}
@@ -665,7 +700,7 @@ export default function ImportPage({ onImport, onImportEncryptedRaw, accountKeys
         </div>
       </section>
 
-      <section className="card">
+      <section className="card import-export-panel">
         <h3>{t('txt_export')}</h3>
         <p className="muted" style={{ textAlign: 'left', marginBottom: 12 }}>
           {t('txt_export_vault_data_hint')}
@@ -735,6 +770,7 @@ export default function ImportPage({ onImport, onImportEncryptedRaw, accountKeys
           </button>
         </div>
       </section>
+      </div>
 
       <ConfirmDialog
         open={exportAuthDialogOpen}

webapp/src/lib/i18n.ts

@@ -752,6 +752,14 @@ messages.en.txt_target_folder = 'Target folder';
 messages.en.txt_select_folder_placeholder = '-- Select folder --';
 messages.en.txt_import_vault_data_hint = 'Import vault data into your current account.';
 messages.en.txt_export_vault_data_hint = 'Export vault data from your current account.';
+messages.en.txt_import_export_title = 'Import & Export';
+messages.en.txt_import_export_feature_intro = 'Move your vault across clients with full compatibility, including attachments and encrypted formats.';
+messages.en.txt_import_export_feature_bw_zip_title = 'Bitwarden vault + attachments ZIP';
+messages.en.txt_import_export_feature_bw_zip_desc = 'Supports importing and exporting Bitwarden ZIP archives that include vault data and attachments.';
+messages.en.txt_import_export_feature_nodewarden_json_title = 'NodeWarden vault + attachments JSON';
+messages.en.txt_import_export_feature_nodewarden_json_desc = 'Supports NodeWarden JSON import/export with vault data and attachments bundled in one file.';
+messages.en.txt_import_export_feature_compat_title = 'Cross-client compatibility';
+messages.en.txt_import_export_feature_compat_desc = 'Supports Bitwarden JSON/CSV import and mainstream migration formats for a smooth move-in.';
 messages.en.txt_encrypted_mode = 'Encrypted mode';
 messages.en.txt_account_verification = 'Account verification';
 messages.en.txt_password_verification = 'Password verification';
@@ -818,6 +826,15 @@ zhCNOverrides.txt_import_encrypted_file_message = '该 Bitwarden 导出文件已
 zhCNOverrides.txt_import_encrypted_zip_title = '导入加密 ZIP';
 zhCNOverrides.txt_import_encrypted_zip_message = '该 ZIP 压缩包已加密，请输入 ZIP 密码继续。';
 
+zhCNOverrides.txt_import_export_title = '导入导出';
+zhCNOverrides.txt_import_export_feature_intro = '兼容主流客户端的数据迁移流程，支持附件与加密格式，导入导出一步完成。';
+zhCNOverrides.txt_import_export_feature_bw_zip_title = 'Bitwarden 密码库 + 附件 ZIP';
+zhCNOverrides.txt_import_export_feature_bw_zip_desc = '支持导入和导出包含密码库与附件的 Bitwarden ZIP 压缩包。';
+zhCNOverrides.txt_import_export_feature_nodewarden_json_title = 'NodeWarden 密码库 + 附件 JSON';
+zhCNOverrides.txt_import_export_feature_nodewarden_json_desc = '支持 NodeWarden 自研 JSON 导入导出，一个文件同时包含密码库和附件。';
+zhCNOverrides.txt_import_export_feature_compat_title = '跨客户端兼容';
+zhCNOverrides.txt_import_export_feature_compat_desc = '支持 Bitwarden JSON/CSV 导入及主流迁移格式，降低迁移门槛。';
+
 messages['zh-CN'] = { ...messages.en, ...zhCNOverrides };
 
 function resolveInitialLocale(): Locale {

webapp/src/styles.css

@@ -1032,6 +1032,79 @@ input[type='file'].input::file-selector-button:hover {
   gap: 12px;
 }
 
+.import-export-page {
+  display: grid;
+  gap: 12px;
+}
+
+.import-export-hero {
+  margin-bottom: 0;
+}
+
+.import-export-hero h3 {
+  margin: 0 0 8px 0;
+}
+
+.import-export-hero-sub {
+  margin: 0;
+  color: #5f6f85;
+  line-height: 1.5;
+}
+
+.import-export-feature-grid {
+  margin-top: 12px;
+  display: grid;
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+  gap: 10px;
+}
+
+.import-export-feature-item {
+  border: 1px solid #d9e4f2;
+  border-radius: 10px;
+  background: #f7faff;
+  padding: 10px;
+  display: flex;
+  align-items: flex-start;
+  gap: 10px;
+  min-width: 0;
+}
+
+.import-export-feature-icon {
+  width: 28px;
+  height: 28px;
+  border-radius: 8px;
+  border: 1px solid #cbdcf7;
+  background: #e9f1ff;
+  color: #1d4ed8;
+  display: inline-grid;
+  place-items: center;
+  flex-shrink: 0;
+}
+
+.import-export-feature-item strong {
+  display: block;
+  font-size: 14px;
+  line-height: 1.35;
+}
+
+.import-export-feature-item p {
+  margin: 4px 0 0 0;
+  color: #64748b;
+  font-size: 13px;
+  line-height: 1.45;
+}
+
+.import-export-panels {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 12px;
+  align-items: start;
+}
+
+.import-export-panel h3 {
+  margin: 0 0 6px 0;
+}
+
 .field-grid {
   display: grid;
   grid-template-columns: repeat(2, minmax(0, 1fr));
@@ -1510,6 +1583,11 @@ input[type='file'].input::file-selector-button:hover {
     grid-template-columns: 1fr;
   }
 
+  .import-export-feature-grid,
+  .import-export-panels {
+    grid-template-columns: 1fr;
+  }
+
   .uri-row {
     grid-template-columns: 1fr;
   }