diff --git a/templates/MetaLab-2026/html/settings/index.html b/templates/MetaLab-2026/html/settings/index.html
index bfdcdc6..c61193a 100644
--- a/templates/MetaLab-2026/html/settings/index.html
+++ b/templates/MetaLab-2026/html/settings/index.html
@@ -783,37 +783,37 @@
                 showSettingsToast('请输入密码确认', true);
                 return;
             }
-            if (!confirm('确定要注销账号吗？\n\n注销后 7 天内重新登录可撤销注销，期满后将永久删除。')) {
-                return;
-            }
-            deleteAccountBtn.disabled = true;
-            deleteAccountBtn.textContent = '注销中...';
+            showConfirm('注销账号', '确定要注销账号吗？\n\n注销后 7 天内重新登录可撤销注销，期满后将永久删除。').then(function(ok) {
+                if (!ok) return;
+                deleteAccountBtn.disabled = true;
+                deleteAccountBtn.textContent = '注销中...';
 
-            var xhr = new XMLHttpRequest();
-            xhr.open('POST', '/api/settings/delete-account', true);
-            xhr.setRequestHeader('Content-Type', 'application/json');
-            xhr.onreadystatechange = function () {
-                if (xhr.readyState !== 4) return;
-                deleteAccountBtn.disabled = false;
-                deleteAccountBtn.textContent = '确认注销';
-                try {
-                    var res = JSON.parse(xhr.responseText);
-                    if (res.success) {
-                        showSettingsToast(res.message || '账号已注销');
-                        setTimeout(function () {
-                            window.location.href = '/';
-                        }, 2000);
-                    } else {
-                        showSettingsToast(res.message || '操作失败', true);
+                var xhr = new XMLHttpRequest();
+                xhr.open('POST', '/api/settings/delete-account', true);
+                xhr.setRequestHeader('Content-Type', 'application/json');
+                xhr.onreadystatechange = function () {
+                    if (xhr.readyState !== 4) return;
+                    deleteAccountBtn.disabled = false;
+                    deleteAccountBtn.textContent = '确认注销';
+                    try {
+                        var res = JSON.parse(xhr.responseText);
+                        if (res.success) {
+                            showSettingsToast(res.message || '账号已注销');
+                            setTimeout(function () {
+                                window.location.href = '/';
+                            }, 2000);
+                        } else {
+                            showSettingsToast(res.message || '操作失败', true);
+                        }
+                    } catch (e) {
+                        showSettingsToast('操作失败', true);
                     }
-                } catch (e) {
-                    showSettingsToast('操作失败', true);
-                }
-            };
-            xhr.send(JSON.stringify({
-                password: deletePwd.value,
-                reason: deleteReason ? deleteReason.value : ''
-            }));
+                };
+                xhr.send(JSON.stringify({
+                    password: deletePwd.value,
+                    reason: deleteReason ? deleteReason.value : ''
+                }));
+            });
         });
     }
 
@@ -829,36 +829,38 @@
             btn.addEventListener('click', function () {
                 var sid = btn.getAttribute('data-sid');
                 if (!sid) return;
-                if (!confirm('确定要踢出该设备吗？')) return;
-                btn.disabled = true;
-                btn.textContent = '踢出中...';
+                showConfirm('确认', '确定要踢出该设备吗？').then(function(ok) {
+                    if (!ok) return;
+                    btn.disabled = true;
+                    btn.textContent = '踢出中...';
 
-                var xhr = new XMLHttpRequest();
-                xhr.open('DELETE', '/api/settings/sessions/' + encodeURIComponent(sid), true);
-                xhr.setRequestHeader('Content-Type', 'application/json');
-                xhr.onreadystatechange = function () {
-                    if (xhr.readyState !== 4) return;
-                    btn.disabled = false;
-                    btn.textContent = '踢出';
-                    try {
-                        var res = JSON.parse(xhr.responseText);
-                        if (res.success) {
-                            showSettingsToast(res.message || '已踢出该设备');
-                            var item = btn.closest('.session-item');
-                            if (item) {
-                                item.style.transition = 'opacity .3s ease, transform .3s ease';
-                                item.style.opacity = '0';
-                                item.style.transform = 'translateX(20px)';
-                                setTimeout(function () { item.remove(); }, 300);
+                    var xhr = new XMLHttpRequest();
+                    xhr.open('DELETE', '/api/settings/sessions/' + encodeURIComponent(sid), true);
+                    xhr.setRequestHeader('Content-Type', 'application/json');
+                    xhr.onreadystatechange = function () {
+                        if (xhr.readyState !== 4) return;
+                        btn.disabled = false;
+                        btn.textContent = '踢出';
+                        try {
+                            var res = JSON.parse(xhr.responseText);
+                            if (res.success) {
+                                showSettingsToast(res.message || '已踢出该设备');
+                                var item = btn.closest('.session-item');
+                                if (item) {
+                                    item.style.transition = 'opacity .3s ease, transform .3s ease';
+                                    item.style.opacity = '0';
+                                    item.style.transform = 'translateX(20px)';
+                                    setTimeout(function () { item.remove(); }, 300);
+                                }
+                            } else {
+                                showSettingsToast(res.message || '操作失败', true);
                             }
-                        } else {
-                            showSettingsToast(res.message || '操作失败', true);
+                        } catch (e) {
+                            showSettingsToast('操作失败', true);
                         }
-                    } catch (e) {
-                        showSettingsToast('操作失败', true);
-                    }
-                };
-                xhr.send();
+                    };
+                    xhr.send();
+                });
             });
         });
 
@@ -870,38 +872,40 @@
                     showSettingsToast('没有其他在线设备');
                     return;
                 }
-                if (!confirm('确定要踢出所有其他设备（共 ' + otherCount + ' 台）吗？')) return;
-                kickOthersBtn.disabled = true;
-                kickOthersBtn.textContent = '处理中...';
+                showConfirm('确认', '确定要踢出所有其他设备（共 ' + otherCount + ' 台）吗？').then(function(ok) {
+                    if (!ok) return;
+                    kickOthersBtn.disabled = true;
+                    kickOthersBtn.textContent = '处理中...';
 
-                var xhr = new XMLHttpRequest();
-                xhr.open('POST', '/api/settings/sessions/destroy-others', true);
-                xhr.setRequestHeader('Content-Type', 'application/json');
-                xhr.onreadystatechange = function () {
-                    if (xhr.readyState !== 4) return;
-                    kickOthersBtn.disabled = false;
-                    kickOthersBtn.textContent = '一键踢出其他设备';
-                    try {
-                        var res = JSON.parse(xhr.responseText);
-                        if (res.success) {
-                            showSettingsToast(res.message || '已踢出所有其他设备');
-                            var others = document.querySelectorAll('.session-item:not(.session-current)');
-                            others.forEach(function (item, i) {
-                                setTimeout(function () {
-                                    item.style.transition = 'opacity .3s ease, transform .3s ease';
-                                    item.style.opacity = '0';
-                                    item.style.transform = 'translateX(20px)';
-                                    setTimeout(function () { item.remove(); }, 300);
-                                }, i * 100);
-                            });
-                        } else {
-                            showSettingsToast(res.message || '操作失败', true);
+                    var xhr = new XMLHttpRequest();
+                    xhr.open('POST', '/api/settings/sessions/destroy-others', true);
+                    xhr.setRequestHeader('Content-Type', 'application/json');
+                    xhr.onreadystatechange = function () {
+                        if (xhr.readyState !== 4) return;
+                        kickOthersBtn.disabled = false;
+                        kickOthersBtn.textContent = '一键踢出其他设备';
+                        try {
+                            var res = JSON.parse(xhr.responseText);
+                            if (res.success) {
+                                showSettingsToast(res.message || '已踢出所有其他设备');
+                                var others = document.querySelectorAll('.session-item:not(.session-current)');
+                                others.forEach(function (item, i) {
+                                    setTimeout(function () {
+                                        item.style.transition = 'opacity .3s ease, transform .3s ease';
+                                        item.style.opacity = '0';
+                                        item.style.transform = 'translateX(20px)';
+                                        setTimeout(function () { item.remove(); }, 300);
+                                    }, i * 100);
+                                });
+                            } else {
+                                showSettingsToast(res.message || '操作失败', true);
+                            }
+                        } catch (e) {
+                            showSettingsToast('操作失败', true);
                         }
-                    } catch (e) {
-                        showSettingsToast('操作失败', true);
-                    }
-                };
-                xhr.send();
+                    };
+                    xhr.send();
+                });
             });
         }
 
@@ -1056,19 +1060,21 @@
                     listEl.querySelectorAll('.fav-folder-del').forEach(function (btn) {
                         btn.addEventListener('click', function () {
                             var id = btn.getAttribute('data-id');
-                            if (!confirm('确定要删除此收藏夹？其中的收藏内容也将被清除。')) return;
-                            api('DELETE', '/api/folders/' + id)
-                                .then(function (r) {
-                                    if (r.success) {
-                                        showSettingsToast('收藏夹已删除');
-                                        loadFolders();
-                                    } else {
-                                        showSettingsToast(r.message || '删除失败', true);
-                                    }
-                                })
-                                .catch(function () {
-                                    showSettingsToast('删除失败', true);
-                                });
+                            showConfirm('确认', '确定要删除此收藏夹？其中的收藏内容也将被清除。').then(function(ok) {
+                                if (!ok) return;
+                                api('DELETE', '/api/folders/' + id)
+                                    .then(function (r) {
+                                        if (r.success) {
+                                            showSettingsToast('收藏夹已删除');
+                                            loadFolders();
+                                        } else {
+                                            showSettingsToast(r.message || '删除失败', true);
+                                        }
+                                    })
+                                    .catch(function () {
+                                        showSettingsToast('删除失败', true);
+                                    });
+                            });
                         });
                     });
                 })
@@ -1079,24 +1085,25 @@
 
         if (createBtn) {
             createBtn.addEventListener('click', function () {
-                var name = prompt('请输入收藏夹名称（最多50个字符）：');
-                if (!name || !name.trim()) return;
-                if (name.trim().length > 50) {
-                    showSettingsToast('收藏夹名称不能超过 50 个字符', true);
-                    return;
-                }
-                api('POST', '/api/folders', { name: name.trim(), description: '', is_public: false })
-                    .then(function (r) {
-                        if (r.success) {
-                            showSettingsToast('收藏夹已创建');
-                            loadFolders();
-                        } else {
-                            showSettingsToast(r.message || '创建失败', true);
-                        }
-                    })
-                    .catch(function () {
-                        showSettingsToast('创建失败', true);
-                    });
+                showPrompt('请输入收藏夹名称（最多50个字符）：').then(function(name) {
+                    if (!name || !name.trim()) return;
+                    if (name.trim().length > 50) {
+                        showSettingsToast('收藏夹名称不能超过 50 个字符', true);
+                        return;
+                    }
+                    api('POST', '/api/folders', { name: name.trim(), description: '', is_public: false })
+                        .then(function (r) {
+                            if (r.success) {
+                                showSettingsToast('收藏夹已创建');
+                                loadFolders();
+                            } else {
+                                showSettingsToast(r.message || '创建失败', true);
+                            }
+                        })
+                        .catch(function () {
+                            showSettingsToast('创建失败', true);
+                        });
+                });
             });
         }
 
diff --git a/templates/MetaLab-2026/html/studio/drafts.html b/templates/MetaLab-2026/html/studio/drafts.html
index df6d666..5768f27 100644
--- a/templates/MetaLab-2026/html/studio/drafts.html
+++ b/templates/MetaLab-2026/html/studio/drafts.html
@@ -59,42 +59,44 @@
 
 <script nonce="{{.CSPNonce}}">
 function submitPost(id) {
-    if (!confirm('确定要提交这篇草稿进行审核吗？')) return;
-
-    fetch('/api/studio/posts/' + id + '/submit', {
-        method: 'POST',
-        headers: {
-            'Content-Type': 'application/json',
-                        'X-CSRF-Token': getCSRFToken()
-        }
-    })
-    .then(r => r.json())
-    .then(data => {
-        if (data.success) {
-            location.reload();
-        } else {
-            alert(data.message || '提交失败');
-        }
+    showConfirm('确认', '确定要提交这篇草稿进行审核吗？').then(function(ok) {
+        if (!ok) return;
+        fetch('/api/studio/posts/' + id + '/submit', {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+                'X-CSRF-Token': getCSRFToken()
+            }
+        })
+        .then(r => r.json())
+        .then(data => {
+            if (data.success) {
+                location.reload();
+            } else {
+                alert(data.message || '提交失败');
+            }
+        });
     });
 }
 
 function deletePost(id) {
-    if (!confirm('确定要删除这篇草稿吗？此操作不可恢复。')) return;
-
-    fetch('/api/studio/posts/' + id, {
-        method: 'DELETE',
-        headers: {
-            'Content-Type': 'application/json',
-                        'X-CSRF-Token': getCSRFToken()
-        }
-    })
-    .then(r => r.json())
-    .then(data => {
-        if (data.success) {
-            location.reload();
-        } else {
-            alert(data.message || '删除失败');
-        }
+    showConfirm('确认', '确定要删除这篇草稿吗？此操作不可恢复。').then(function(ok) {
+        if (!ok) return;
+        fetch('/api/studio/posts/' + id, {
+            method: 'DELETE',
+            headers: {
+                'Content-Type': 'application/json',
+                'X-CSRF-Token': getCSRFToken()
+            }
+        })
+        .then(r => r.json())
+        .then(data => {
+            if (data.success) {
+                location.reload();
+            } else {
+                alert(data.message || '删除失败');
+            }
+        });
     });
 }
 
diff --git a/templates/MetaLab-2026/html/studio/posts.html b/templates/MetaLab-2026/html/studio/posts.html
index 618924d..56971a2 100644
--- a/templates/MetaLab-2026/html/studio/posts.html
+++ b/templates/MetaLab-2026/html/studio/posts.html
@@ -80,22 +80,23 @@
 
 <script nonce="{{.CSPNonce}}">
 function deletePost(id) {
-    if (!confirm('确定要删除这篇文章吗？')) return;
-
-    fetch('/api/studio/posts/' + id, {
-        method: 'DELETE',
-        headers: {
-            'Content-Type': 'application/json',
-            'X-CSRF-Token': getCSRFToken()
-        }
-    })
-    .then(r => r.json())
-    .then(data => {
-        if (data.success) {
-            location.reload();
-        } else {
-            alert(data.message || '删除失败');
-        }
+    showConfirm('确认', '确定要删除这篇文章吗？').then(function(ok) {
+        if (!ok) return;
+        fetch('/api/studio/posts/' + id, {
+            method: 'DELETE',
+            headers: {
+                'Content-Type': 'application/json',
+                'X-CSRF-Token': getCSRFToken()
+            }
+        })
+        .then(r => r.json())
+        .then(data => {
+            if (data.success) {
+                location.reload();
+            } else {
+                alert(data.message || '删除失败');
+            }
+        });
     });
 }
 
diff --git a/templates/MetaLab-2026/static/js/login.js b/templates/MetaLab-2026/static/js/login.js
index 5200c77..8d63ac7 100644
--- a/templates/MetaLab-2026/static/js/login.js
+++ b/templates/MetaLab-2026/static/js/login.js
@@ -95,9 +95,9 @@
                     loginInProgress = false;
                     submitBtn.disabled = false;
                     submitBtn.textContent = '登录';
-                    if (confirm(resp.message + '\n\n确认登录将撤销注销并恢复账号。')) {
-                        doConfirmRestore(email, password);
-                    }
+                    showConfirm('确认', resp.message + '\n\n确认登录将撤销注销并恢复账号。').then(function(ok) {
+                        if (ok) doConfirmRestore(email, password);
+                    });
                 } else if (xhr.status === 200 && resp && resp.success) {
                     window.MetaLab.toast(toast, '登录成功', false);
                     setTimeout(function () {
diff --git a/templates/MetaLab-2026/static/js/post-favorite.js b/templates/MetaLab-2026/static/js/post-favorite.js
index ea5b053..65ec12f 100644
--- a/templates/MetaLab-2026/static/js/post-favorite.js
+++ b/templates/MetaLab-2026/static/js/post-favorite.js
@@ -119,21 +119,23 @@
 
     function removeFromFolder(folderId) {
         if (loading) return;
-        if (!confirm('确定取消收藏吗？')) return;
-        loading = true;
-        api('DELETE', '/api/folders/' + folderId + '/posts/' + postId)
-            .then(function(d) {
-                loading = false;
-                if (d.success) {
-                    currentFolderId = null;
-                    updateBtn(false);
-                    if (favCountEl) favCountEl.textContent = Math.max(0, (parseInt(favCountEl.textContent) || 0) - 1);
-                    hideModal();
-                } else {
+        showConfirm('确认', '确定取消收藏吗？').then(function(ok) {
+            if (!ok) return;
+            loading = true;
+            api('DELETE', '/api/folders/' + folderId + '/posts/' + postId)
+                .then(function(d) {
+                    loading = false;
+                    if (d.success) {
+                        currentFolderId = null;
+                        updateBtn(false);
+                        if (favCountEl) favCountEl.textContent = Math.max(0, (parseInt(favCountEl.textContent) || 0) - 1);
+                        hideModal();
+                    } else {
                     alert(d.message || '操作失败');
                 }
             })
             .catch(function() { loading = false; });
+        });
     }
 
     function createAndAdd(name) {
diff --git a/templates/MetaLab-2026/static/js/post-view.js b/templates/MetaLab-2026/static/js/post-view.js
index edbc1c0..beaf5ca 100644
--- a/templates/MetaLab-2026/static/js/post-view.js
+++ b/templates/MetaLab-2026/static/js/post-view.js
@@ -29,20 +29,22 @@
     var submitBtn = document.getElementById('submitAuditBtn');
     if (submitBtn) {
         submitBtn.addEventListener('click', function() {
-            if (!confirm('确认提交审核？审核通过后将公开发布。')) return;
-            fetch('/api/posts/' + submitBtn.dataset.id + '/submit', {
-                method: 'POST',
-                headers: {
-                    'Content-Type': 'application/json',
-                    'X-CSRF-Token': getCSRFToken()
-                }
-            })
-            .then(function(r) { return r.json(); })
-            .then(function(d) {
-                if (d.success) { window.location.reload(); }
-                else { alert(d.message || '提交失败'); }
-            })
-            .catch(function() { alert('请求失败'); });
+            showConfirm('确认', '确认提交审核？审核通过后将公开发布。').then(function(ok) {
+                if (!ok) return;
+                fetch('/api/posts/' + submitBtn.dataset.id + '/submit', {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json',
+                        'X-CSRF-Token': getCSRFToken()
+                    }
+                })
+                .then(function(r) { return r.json(); })
+                .then(function(d) {
+                    if (d.success) { window.location.reload(); }
+                    else { alert(d.message || '提交失败'); }
+                })
+                .catch(function() { alert('请求失败'); });
+            });
         });
     }
 })();
diff --git a/templates/admin/static/js/comments.js b/templates/admin/static/js/comments.js
index 7ac7b1c..49cd797 100644
--- a/templates/admin/static/js/comments.js
+++ b/templates/admin/static/js/comments.js
@@ -55,9 +55,10 @@
         for (var i = 0; i < btns.length; i++) {
             if (btns[i]._bound) continue;
             btns[i]._bound = true;
-            btns[i].addEventListener('click', function() {
+            btns[i].addEventListener('click', async function() {
                 var id = this.dataset.id;
-                if (!confirm('确认删除此评论？')) return;
+                var ok = await showConfirm('确认', '确认删除此评论？');
+                if (!ok) return;
                 fetch('/api/admin/comments/' + id, {
                     method: 'DELETE',
                     headers: { 'X-CSRF-Token': csrfToken }
diff --git a/templates/admin/static/js/common.js b/templates/admin/static/js/common.js
index e88e622..407e749 100644
--- a/templates/admin/static/js/common.js
+++ b/templates/admin/static/js/common.js
@@ -37,36 +37,6 @@ const api = {
     }
 };
 
-// --- 确认弹窗 ---
-function showConfirm(title, message) {
-    return new Promise((resolve) => {
-        const overlay = document.createElement('div');
-        overlay.className = 'modal-overlay show';
-        overlay.innerHTML = `
-            <div class="modal-box">
-                <h3>${escapeHtml(title)}</h3>
-                <p>${escapeHtml(message)}</p>
-                <div class="modal-actions">
-                    <button class="btn btn-outline" id="modalCancel">取消</button>
-                    <button class="btn btn-danger" id="modalConfirm">确认</button>
-                </div>
-            </div>`;
-        document.body.appendChild(overlay);
-
-        overlay.querySelector('#modalCancel').onclick = () => {
-            overlay.remove();
-            resolve(false);
-        };
-        overlay.querySelector('#modalConfirm').onclick = () => {
-            overlay.remove();
-            resolve(true);
-        };
-        overlay.addEventListener('click', (e) => {
-            if (e.target === overlay) { overlay.remove(); resolve(false); }
-        });
-    });
-}
-
 // --- 角色标签 ---
 // 数据源由服务端 model.RoleDisplayNames 注入为 window.__ROLE_NAMES
 function roleLabel(role) {
diff --git a/templates/admin/static/js/posts.js b/templates/admin/static/js/posts.js
index a1a0707..9113a5f 100644
--- a/templates/admin/static/js/posts.js
+++ b/templates/admin/static/js/posts.js
@@ -1,48 +1,53 @@
 (function() {
     // CSRF token 由 shared/utils.js 的 getCSRFToken() 统一提供
+    // showConfirm / showPrompt / escapeHtml 由 shared/utils.js 统一提供
     // api 对象 (api.get/api.post/api.put) 由 admin/common.js 统一提供
 
     function refreshPage() { window.location.reload(); }
 
-    function handleClick(sel, actionFn) {
+    function handleClick(sel, confirmMsg, actionFn) {
         var btns = document.querySelectorAll(sel);
         btns.forEach(function(btn) {
-            btn.addEventListener('click', function() {
+            btn.addEventListener('click', async function() {
                 var id = btn.getAttribute('data-id');
-                if (confirm('确定执行此操作吗？')) {
-                    actionFn(id);
+                if (confirmMsg) {
+                    var ok = await showConfirm('确认', confirmMsg);
+                    if (!ok) return;
                 }
+                actionFn(id);
             });
         });
     }
 
     // 审核通过
-    handleClick('.post-approve', function(id) {
+    handleClick('.post-approve', '确定审核通过此文章吗？', function(id) {
         api.post('/api/admin/posts/' + id + '/approve')
             .then(function(d) { if (d.success) refreshPage(); else alert(d.message); })
             .catch(function() { alert('操作失败'); });
     });
 
     // 退回
-    handleClick('.post-reject', function(id) {
-        var reason = prompt('请输入退回理由（必填）：');
-        if (!reason || !reason.trim()) return;
-        api.post('/api/admin/posts/' + id + '/reject', { reason: reason.trim() })
-            .then(function(d) { if (d.success) refreshPage(); else alert(d.message); })
-            .catch(function() { alert('操作失败'); });
+    handleClick('.post-reject', null, function(id) {
+        showPrompt('请输入退回理由（必填）：').then(function(reason) {
+            if (!reason || !reason.trim()) return;
+            api.post('/api/admin/posts/' + id + '/reject', { reason: reason.trim() })
+                .then(function(d) { if (d.success) refreshPage(); else alert(d.message); })
+                .catch(function() { alert('操作失败'); });
+        });
     });
 
     // 锁定
-    handleClick('.post-lock', function(id) {
-        var reason = prompt('请输入锁定理由（必填）：');
-        if (!reason || !reason.trim()) return;
-        api.post('/api/admin/posts/' + id + '/lock', { reason: reason.trim() })
-            .then(function(d) { if (d.success) refreshPage(); else alert(d.message); })
-            .catch(function() { alert('操作失败'); });
+    handleClick('.post-lock', null, function(id) {
+        showPrompt('请输入锁定理由（必填）：').then(function(reason) {
+            if (!reason || !reason.trim()) return;
+            api.post('/api/admin/posts/' + id + '/lock', { reason: reason.trim() })
+                .then(function(d) { if (d.success) refreshPage(); else alert(d.message); })
+                .catch(function() { alert('操作失败'); });
+        });
     });
 
     // 解锁
-    handleClick('.post-unlock', function(id) {
+    handleClick('.post-unlock', '确定解锁此文章吗？', function(id) {
         api.post('/api/admin/posts/' + id + '/unlock')
             .then(function(d) { if (d.success) refreshPage(); else alert(d.message); })
             .catch(function() { alert('操作失败'); });
diff --git a/templates/shared/static/js/utils.js b/templates/shared/static/js/utils.js
index b4b1eb4..e5e3296 100644
--- a/templates/shared/static/js/utils.js
+++ b/templates/shared/static/js/utils.js
@@ -91,6 +91,91 @@ function api(method, url, data) {
     return fetch(url, opts).then(function (r) { return r.json(); });
 }
 
+/**
+ * 确认弹窗 — 替代原生 confirm()，统一全站风格
+ * @param {string} title — 弹窗标题
+ * @param {string} message — 提示消息（支持 \n 换行）
+ * @returns {Promise<boolean>} 用户确认返回 true，取消返回 false
+ */
+function showConfirm(title, message) {
+    return new Promise(function(resolve) {
+        var safeTitle = escapeHtml(title);
+        var safeMsg = escapeHtml(message).replace(/\n/g, '<br>');
+
+        var overlay = document.createElement('div');
+        overlay.style.cssText = 'position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:9998;display:flex;align-items:center;justify-content:center;';
+        overlay.innerHTML = '<div style="background:#fff;border-radius:8px;padding:28px 32px;min-width:320px;max-width:440px;box-shadow:0 8px 30px rgba(0,0,0,0.15);">'
+            + '<h3 style="margin:0 0 12px 0;font-size:17px;color:#2d3436;">' + safeTitle + '</h3>'
+            + '<p style="margin:0 0 20px 0;font-size:14px;line-height:1.6;color:#636e72;">' + safeMsg + '</p>'
+            + '<div style="display:flex;gap:10px;justify-content:flex-end;">'
+            + '<button id="mlbModalCancel" style="padding:8px 20px;border:1px solid #d1d5db;border-radius:6px;background:#fff;color:#374151;font-size:14px;cursor:pointer;">取消</button>'
+            + '<button id="mlbModalConfirm" style="padding:8px 20px;border:none;border-radius:6px;background:#dc2626;color:#fff;font-size:14px;cursor:pointer;">确认</button>'
+            + '</div></div>';
+        document.body.appendChild(overlay);
+
+        function close(val) {
+            overlay.remove();
+            resolve(val);
+        }
+
+        overlay.querySelector('#mlbModalCancel').onclick = function() { close(false); };
+        overlay.querySelector('#mlbModalConfirm').onclick = function() { close(true); };
+        overlay.addEventListener('click', function(e) {
+            if (e.target === overlay) close(false);
+        });
+        // Enter 键确认
+        var onKey = function(e) {
+            if (e.key === 'Enter') { document.removeEventListener('keydown', onKey); close(true); }
+            if (e.key === 'Escape') { document.removeEventListener('keydown', onKey); close(false); }
+        };
+        document.addEventListener('keydown', onKey);
+    });
+}
+
+/**
+ * 输入弹窗 — 替代原生 prompt()，统一全站风格
+ * @param {string} message — 提示文本
+ * @param {string} [defaultValue=''] — 输入框默认值
+ * @returns {Promise<string|null>} 用户输入的值，取消返回 null
+ */
+function showPrompt(message, defaultValue) {
+    return new Promise(function(resolve) {
+        var safeMsg = escapeHtml(message);
+
+        var overlay = document.createElement('div');
+        overlay.style.cssText = 'position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:9998;display:flex;align-items:center;justify-content:center;';
+        overlay.innerHTML = '<div style="background:#fff;border-radius:8px;padding:28px 32px;min-width:320px;max-width:440px;box-shadow:0 8px 30px rgba(0,0,0,0.15);">'
+            + '<p style="margin:0 0 16px 0;font-size:14px;line-height:1.6;color:#2d3436;">' + safeMsg + '</p>'
+            + '<input id="mlbPromptInput" type="text" style="width:100%;padding:10px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:14px;color:#2d3436;outline:none;box-sizing:border-box;" value="' + escapeHtml(defaultValue || '') + '" placeholder="">'
+            + '<div style="display:flex;gap:10px;justify-content:flex-end;margin-top:16px;">'
+            + '<button id="mlbPromptCancel" style="padding:8px 20px;border:1px solid #d1d5db;border-radius:6px;background:#fff;color:#374151;font-size:14px;cursor:pointer;">取消</button>'
+            + '<button id="mlbPromptConfirm" style="padding:8px 20px;border:none;border-radius:6px;background:#0984e3;color:#fff;font-size:14px;cursor:pointer;">确认</button>'
+            + '</div></div>';
+        document.body.appendChild(overlay);
+
+        var input = overlay.querySelector('#mlbPromptInput');
+
+        function close(val) {
+            overlay.remove();
+            resolve(val);
+        }
+
+        overlay.querySelector('#mlbPromptCancel').onclick = function() { close(null); };
+        overlay.querySelector('#mlbPromptConfirm').onclick = function() { close(input.value); };
+        overlay.addEventListener('click', function(e) {
+            if (e.target === overlay) close(null);
+        });
+        // Enter 确认，Escape 取消
+        var onKey = function(e) {
+            if (e.key === 'Enter') { document.removeEventListener('keydown', onKey); close(input.value); }
+            if (e.key === 'Escape') { document.removeEventListener('keydown', onKey); close(null); }
+        };
+        document.addEventListener('keydown', onKey);
+        // 自动聚焦输入框
+        setTimeout(function() { input.focus(); input.select(); }, 50);
+    });
+}
+
 // 全局头像图片加载失败回退（替代 onerror 内联事件，满足 CSP 无 unsafe-inline）
 document.addEventListener('error', function(e) {
     var img = e.target;