diff --git a/api/fragment/hard_update.php b/api/fragment/hard_update.php
new file mode 100644
index 0000000..562cb74
--- /dev/null
+++ b/api/fragment/hard_update.php
@@ -0,0 +1,116 @@
+<?php
+/**
+ * 硬碎片补全保存接口  POST /api/fragment/hard_update.php
+ * 仅更新硬碎片字段（企业名/联系人/手机/邮箱/身份证/社媒账号/主页链接），不执行转换。
+ * 转换请走 hard_convert.php（前端「转软碎片」按钮）。
+ */
+require_once __DIR__ . '/../common/db.php';
+require_once __DIR__ . '/../common/response.php';
+require_once __DIR__ . '/../common/auth.php';
+require_once __DIR__ . '/../common/logger.php';
+require_once __DIR__ . '/../common/validate.php';
+require_once __DIR__ . '/../common/duplicate_check.php';
+
+checkAjax();
+checkPermission('preliminary');
+
+$id = (int)($_POST['id'] ?? 0);
+if ($id <= 0) {
+    Response::error('参数错误', 400);
+}
+
+$pdo = DB::getInstance()->getPdo();
+$stmt = $pdo->prepare("SELECT * FROM preliminary_data WHERE id = ? AND is_active = 1");
+$stmt->execute([$id]);
+$frag = $stmt->fetch();
+if (!$frag) {
+    Response::error('碎片不存在');
+}
+if (in_array($frag['status'], ['已转换', '已废弃'], true)) {
+    Response::error('该碎片已处理（' . $frag['status'] . '）');
+}
+
+$sourceType  = trim($_POST['source_type'] ?? ($frag['source_type'] ?? ''));
+$companyName = trim($_POST['company_name'] ?? '');
+$personName  = trim($_POST['person_name'] ?? '');
+$phone       = trim($_POST['contact_phone'] ?? '');
+$email       = trim($_POST['contact_email'] ?? '');
+$idNumber    = trim($_POST['id_number'] ?? '');
+$platform    = trim($_POST['platform'] ?? '');
+$accountId   = trim($_POST['account_id'] ?? '');
+$profileUrl  = trim($_POST['profile_url'] ?? '');
+if (!in_array($sourceType, ['company', 'person', 'product', 'need', 'mixed'], true)) {
+    Response::error('碎片类型不合法', 400);
+}
+
+// 硬数据标准校验：企业/产品/需求 → 企业名称必填；人员 → 手机、邮箱至少一项
+if (in_array($sourceType, ['company', 'product', 'need'], true) && $companyName === '') {
+    Response::error('企业类型硬数据：企业名称为必填项', 400);
+}
+if ($sourceType === 'person' && $phone === '' && $email === '') {
+    Response::error('人员类型硬数据：手机号码、邮箱至少填写一项', 400);
+}
+
+// 格式校验
+checkFieldFormat('phone', $phone);
+checkFieldFormat('email', $email);
+checkFieldFormat('id_number', $idNumber);
+if ($profileUrl !== '' && !preg_match('/^https?:\/\//i', $profileUrl)) {
+    Response::error('主页链接格式不正确（应以 http:// 或 https:// 开头）', 400);
+}
+
+// 唯一性校验（收集全部重复）
+$dups = [];
+if ($companyName !== '') {
+    $dup = findDuplicate($pdo, 'company_name', $companyName);
+    if ($dup) $dups[] = $dup;
+}
+$dups = array_merge($dups, checkSingleAccountDuplicate($pdo, $phone !== '' ? 'phone' : '', $phone, $profileUrl));
+if ($email !== '') {
+    $dup = findDuplicate($pdo, 'email', $email);
+    if ($dup) $dups[] = $dup;
+}
+if ($idNumber !== '') {
+    $dup = findDuplicate($pdo, 'id_number', $idNumber);
+    if ($dup) $dups[] = $dup;
+}
+if ($accountId !== '' && $platform !== '') {
+    $dup = findDuplicate($pdo, 'account_id', $accountId, [], $platform);
+    if ($dup) $dups[] = $dup;
+}
+if (!empty($dups)) Response::duplicates($dups);
+
+// extra_info 合并更新（身份证/平台/账号ID/主页链接）
+$extra = json_decode($frag['extra_info'] ?? 'null', true);
+if (!is_array($extra)) {
+    $extra = [];
+}
+if ($idNumber !== '') $extra['id_number'] = $idNumber; else unset($extra['id_number']);
+if ($platform !== '')  $extra['platform'] = $platform;  else unset($extra['platform']);
+if ($accountId !== '') $extra['account_id'] = $accountId; else unset($extra['account_id']);
+if ($profileUrl !== '') $extra['profile_url'] = $profileUrl; else unset($extra['profile_url']);
+
+$pdo->prepare(
+    "UPDATE preliminary_data
+     SET source_type = ?, company_name = ?, person_name = ?, contact_phone = ?, contact_email = ?, extra_info = ?
+     WHERE id = ?"
+)->execute([
+    $sourceType,
+    $companyName !== '' ? $companyName : null,
+    $personName !== '' ? $personName : null,
+    $phone !== '' ? $phone : null,
+    $email !== '' ? $email : null,
+    $extra ? json_encode($extra, JSON_UNESCAPED_UNICODE) : null,
+    $id,
+]);
+
+logCurrent('update', 'fragment', 'preliminary_data', $id, [
+    'source_type' => $sourceType,
+    'company_name' => $companyName,
+    'person_name' => $personName,
+    'phone' => $phone,
+    'email' => $email,
+    'extra' => $extra,
+]);
+
+Response::success(null, '已保存，点击「转软碎片」完成转换');
diff --git a/static/js/config.js b/static/js/config.js
index 48f1b41..79ada9b 100644
--- a/static/js/config.js
+++ b/static/js/config.js
@@ -5,7 +5,7 @@ var BASE_URL = '/api/';
 var PAGE_SIZE = 20;
 
 /** 系统版本号（logo旁展示）：修改代码后运行 tools/bump_version.php 自动递增 */
-var APP_VERSION = 'v1.0.43';
+var APP_VERSION = 'v1.0.44';
 
 /** 页脚版权/备案信息（在 config.js 中修改） */
 var FOOTER_TEXT = '© 2026 SuperLink 管理系统 版权所有 | 备案号：请替换为真实备案号';
diff --git a/static/js/fragment.js b/static/js/fragment.js
index be2ff1e..656c944 100644
--- a/static/js/fragment.js
+++ b/static/js/fragment.js
@@ -298,44 +298,47 @@ $(function () {
     /* ================= 硬碎片：补全录入（转换） ================= */
     window.convertHard = function (id) {
         httpGet('fragment/hard_detail.php', { id: id }).then(function (d) {
+            var ex = d.extra_info || {};
+            if (typeof ex === 'string') { try { ex = JSON.parse(ex); } catch (e) { ex = {}; } }
             var typeSel = '<select id="cv-type">' +
-                '<option value="company"' + (d.source_type === 'company' || d.source_type === 'mixed' ? ' selected' : '') + '>企业</option>' +
+                '<option value="company"' + (d.source_type === 'company' ? ' selected' : '') + '>企业</option>' +
                 '<option value="person"' + (d.source_type === 'person' ? ' selected' : '') + '>人员</option>' +
                 '<option value="product"' + (d.source_type === 'product' ? ' selected' : '') + '>产品</option>' +
-                '<option value="need"' + (d.source_type === 'need' ? ' selected' : '') + '>需求</option></select>';
+                '<option value="need"' + (d.source_type === 'need' ? ' selected' : '') + '>需求</option>' +
+                '<option value="mixed"' + (d.source_type === 'mixed' ? ' selected' : '') + '>混合</option></select>';
             var content =
                 '<form id="cv-form" style="padding:16px 22px 4px;">' +
                 '<div class="form-grid">' +
-                '  <div class="form-item"><label>转换目标<span class="req">*</span></label>' + typeSel + '</div>' +
+                '  <div class="form-item"><label>碎片类型<span class="req">*</span></label>' + typeSel + '</div>' +
                 '  <div class="form-item" id="cv-f-company_name"><label>公司名称</label><input type="text" name="company_name" value="' + escHtml(d.company_name || '') + '"></div>' +
                 '  <div class="form-item" id="cv-f-person_name"><label>联系人</label><input type="text" name="person_name" value="' + escHtml(d.person_name || '') + '"></div>' +
                 '  <div class="form-item"><label>联系电话</label><input type="text" name="contact_phone" value="' + escHtml(d.contact_phone || '') + '"></div>' +
                 '  <div class="form-item"><label>联系邮箱</label><input type="text" name="contact_email" value="' + escHtml(d.contact_email || '') + '"></div>' +
-                '  <div class="form-item" id="cv-f-category"><label>产品品类</label><input type="text" name="target_product_category" value="' + escHtml(d.target_product_category || '') + '"></div>' +
-                '  <div class="form-item" id="cv-f-industry"><label>行业</label><input type="text" name="industry" placeholder="转换为企业时填写"></div>' +
-                '  <div class="form-item" id="cv-f-needcat"><label>需求类别</label><input type="text" name="need_category" placeholder="如：设备采购"></div>' +
-                '  <div class="form-item" id="cv-f-scenario"><label>应用场景</label><input type="text" name="application_scenario" placeholder="如：码垛"></div>' +
-                '  <div class="form-item full"><label>描述/补充说明</label><textarea name="description" style="height:60px;">' + escHtml(d.description || '') + '</textarea></div>' +
+                '  <div class="form-item"><label>身份证号码</label><input type="text" name="id_number" value="' + escHtml(ex.id_number || '') + '" placeholder="15 或 18 位"></div>' +
+                '  <div class="form-item"><label>社媒平台</label><select name="platform" id="cv-platform"><option value="">-</option>' +
+                '    <option value="wechat">微信</option><option value="weibo">微博</option><option value="douyin">抖音</option>' +
+                '    <option value="bilibili">B站</option><option value="linkedin">领英</option><option value="xiaohongshu">小红书</option>' +
+                '    <option value="other">其他</option></select></div>' +
+                '  <div class="form-item"><label>账号ID</label><input type="text" name="account_id" value="' + escHtml(ex.account_id || '') + '" placeholder="社媒账号ID"></div>' +
+                '  <div class="form-item"><label>主页链接</label><input type="text" name="profile_url" value="' + escHtml(ex.profile_url || '') + '" placeholder="https://..."></div>' +
                 '</div>' +
+                '<div style="font-size:12px;color:#8a94a6;margin-top:4px;">补全仅保存到硬数据，点击「转软碎片」后才转换为主表数据。</div>' +
                 '<div class="dialog-footer"><button type="button" class="btn" id="cv-cancel">取消</button>' +
-                '<button type="submit" class="btn btn-primary">确认转换</button></div>' +
+                '<button type="submit" class="btn btn-primary">保存补全</button></div>' +
                 '</form>';
 
             var idx = Dialog.open({
-                title: '硬碎片补全录入',
+                title: '硬数据继续补全',
                 area: ['640px', 'auto'],
                 content: content,
                 btn: false
             });
+            $('#cv-platform').val(ex.platform || '');
 
             function syncFields() {
                 var t = $('#cv-type').val();
                 $('#cv-f-company_name').toggle(t !== 'person');
-                $('#cv-f-person_name').toggle(t === 'person');
-                $('#cv-f-category').toggle(t === 'product' || t === 'need');
-                $('#cv-f-industry').toggle(t === 'company');
-                $('#cv-f-needcat').toggle(t === 'need');
-                $('#cv-f-scenario').toggle(t === 'need');
+                $('#cv-f-person_name').toggle(t === 'person' || t === 'mixed');
             }
             $('#cv-type').on('change', syncFields);
             syncFields();
@@ -344,21 +347,23 @@ $(function () {
             $('#cv-form').on('submit', function (e) {
                 e.preventDefault();
                 var fd = {};
-                $(this).find('input, select, textarea').each(function () {
+                $(this).find('input, select').each(function () {
                     var name = $(this).attr('name');
                     if (name) fd[name] = $(this).val();
                 });
                 fd.id = id;
-                fd.target_type = $('#cv-type').val();
-                // 格式校验：手机 / 邮箱
+                // 类型标准校验
+                if (fd.source_type !== 'person' && fd.source_type !== 'mixed' && !$.trim(fd.company_name)) { Dialog.error('企业类型硬数据：企业名称为必填项'); return; }
+                if (fd.source_type === 'person' && !$.trim(fd.contact_phone) && !$.trim(fd.contact_email)) { Dialog.error('人员类型硬数据：手机号码、邮箱至少填写一项'); return; }
+                // 格式校验：手机 / 邮箱 / 身份证 / 主页链接
                 if (fd.contact_phone && !validatePhoneCN(fd.contact_phone)) { Dialog.error('手机号码格式不正确（应为国内 11 位手机号，如 13812345678）'); return; }
                 if (fd.contact_email && !validateEmail(fd.contact_email)) { Dialog.error('邮箱格式不正确'); return; }
-                httpPost('fragment/hard_convert.php', fd).then(function () {
-                    Dialog.success('转换成功', function () {
+                if (fd.id_number && !validateIdCard(fd.id_number)) { Dialog.error('身份证号码格式不正确（应为 15 或 18 位）'); return; }
+                if (fd.profile_url && !/^https?:\/\//.test(fd.profile_url)) { Dialog.error('主页链接格式不正确（应以 http:// 或 https:// 开头）'); return; }
+                httpPost('fragment/hard_update.php', fd).then(function () {
+                    Dialog.success('已保存，点击「转软碎片」完成转换', function () {
                         Dialog.close(idx);
-                        loadStats();
                         loadHardList(hardPage);
-                        loadSoftList(1);
                     });
                 });
             });