/* ============================================================
   OPC搭子私域引擎 — 管理后台样式
   ============================================================ */
.admin-body{background:#f1f5f9;display:flex;min-height:100dvh;font-size:14px}

/* ---------- 侧边栏 ---------- */
.admin-sidebar{width:236px;background:var(--navy);color:#94a3b8;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:60;transition:transform .25s}
.admin-logo{display:flex;align-items:center;gap:10px;padding:20px 20px 18px;color:#fff;font-weight:800;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08)}
.admin-logo-mark{width:34px;height:34px;border-radius:9px;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}
.admin-logo small{display:block;font-size:10px;color:#64748b;letter-spacing:1.2px;font-weight:600}
.admin-nav{flex:1;padding:14px 12px;overflow-y:auto}
.admin-nav a{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;color:#94a3b8;font-size:14px;font-weight:500;transition:.15s;margin-bottom:2px}
.admin-nav a svg{width:18px;height:18px;flex-shrink:0}
.admin-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.admin-nav a.active{color:#fff;background:var(--gradient);box-shadow:0 4px 14px rgba(37,99,235,.35)}
.nav-badge{margin-left:auto;background:var(--orange);color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:999px;display:none;align-items:center;justify-content:center;padding:0 6px}
.nav-badge.show{display:inline-flex}
.nav-badge.danger{background:#ef4444}
.admin-sidebar-foot{padding:14px 12px;border-top:1px solid rgba(255,255,255,.08)}
.admin-sidebar-foot a{display:flex;align-items:center;gap:9px;padding:10px 13px;border-radius:10px;color:#64748b;font-size:13px}
.admin-sidebar-foot a svg{width:16px;height:16px}
.admin-sidebar-foot a:hover{color:#fff;background:rgba(255,255,255,.06)}

/* ---------- 主区 ---------- */
.admin-main{flex:1;margin-left:236px;display:flex;flex-direction:column;min-width:0}
.admin-topbar{height:60px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:14px;padding:0 22px;position:sticky;top:0;z-index:50}
.admin-menu-btn{display:none;width:40px;height:40px;border:1px solid var(--border-control);border-radius:9px;background:#fff;align-items:center;justify-content:center;color:var(--text-2)}
.admin-menu-btn svg{width:20px;height:20px}
.admin-topbar-title{font-size:16px;font-weight:700;color:var(--navy)}
.admin-topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;border:1px solid var(--border-control);border-radius:9px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--text-2);transition:.15s}
.icon-btn:hover{border-color:var(--primary);color:var(--primary)}
.icon-btn svg{width:18px;height:18px}
.admin-user{display:flex;align-items:center;gap:10px;padding-left:14px;border-left:1px solid var(--border)}
.admin-user-avatar{width:36px;height:36px;border-radius:50%;background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.admin-user b{display:block;font-size:13px;color:var(--navy)}
.admin-user small{font-size:11px;color:var(--text-3)}
.admin-content{padding:26px;flex:1;min-width:0}
.admin-mask{display:none}

/* ---------- 统计卡 ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.kpi-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px 22px;display:flex;align-items:center;gap:14px}
.kpi-card .k-ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.kpi-card .k-ic.blue{background:var(--primary-light);color:var(--primary)}
.kpi-card .k-ic.green{background:var(--green-soft);color:var(--green)}
.kpi-card .k-ic.orange{background:var(--orange-soft);color:var(--orange-dark)}
.kpi-card .k-ic.purple{background:#f3e8ff;color:#9333ea}
.kpi-card svg{width:22px;height:22px}
.kpi-card b{font-size:24px;color:var(--navy);font-weight:800;line-height:1.2;display:block}
.kpi-card small{font-size:12px;color:var(--text-3)}
.kpi-card .trend{font-size:11px;font-weight:600;color:var(--green)}

/* ---------- 内容卡片 ---------- */
.panel{background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:20px}
.panel-head{display:flex;align-items:center;gap:12px;padding:16px 22px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.panel-head h3{font-size:15px;color:var(--navy);font-weight:700}
.panel-head .spacer{flex:1}
.panel-body{padding:20px 22px}
.panel-body.nopad{padding:0}

/* ---------- 标签页 ---------- */
.tabs{display:flex;gap:4px;flex-wrap:wrap}
.tab-btn{padding:8px 16px;border-radius:9px;border:none;background:transparent;font-size:13.5px;font-weight:600;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;transition:.15s}
.tab-btn:hover{background:var(--bg);color:var(--navy)}
.tab-btn.active{background:var(--primary-light);color:var(--primary)}
.tab-btn .cnt{background:var(--border);color:var(--text-2);font-size:11px;font-weight:700;min-width:18px;height:18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px}
.tab-btn.active .cnt{background:var(--primary);color:#fff}

/* ---------- 表格 ---------- */
.admin-table-wrap{overflow-x:auto}
.admin-table{width:100%;border-collapse:collapse;min-width:760px;font-size:13.5px}
.admin-table th{background:var(--bg);color:var(--text-2);font-weight:600;text-align:left;padding:11px 14px;border-bottom:1px solid var(--border);white-space:nowrap;font-size:12.5px}
.admin-table td{padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:middle;color:var(--text-2)}
.admin-table tr:last-child td{border-bottom:none}
.admin-table tr:hover td{background:#fafcff}
.admin-table td b{color:var(--navy);font-weight:600}
.admin-table .cell-main{display:block;color:var(--navy);font-weight:600;font-size:13.5px}
.admin-table .cell-sub{display:block;color:var(--text-3);font-size:12px;margin-top:2px}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.8}
.badge.gray{background:#f1f5f9;color:#64748b}
.badge.blue{background:var(--primary-light);color:var(--primary)}
.badge.green{background:var(--green-soft);color:#047857}
.badge.orange{background:var(--orange-soft);color:var(--orange-dark)}
.badge.red{background:#fee2e2;color:#dc2626}
.badge.purple{background:#f3e8ff;color:#9333ea}

/* ---------- 操作按钮 ---------- */
.op-btn{padding:6px 12px;border-radius:8px;border:1px solid var(--border-control);background:#fff;font-size:12.5px;font-weight:600;color:var(--text-2);transition:.15s;margin:2px}
.op-btn:hover{border-color:var(--primary);color:var(--primary)}
.op-btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.op-btn.primary:hover{background:var(--primary-dark)}
.op-btn.green{background:var(--green);border-color:var(--green);color:#fff}
.op-btn.green:hover{background:#059669}
.op-btn.red{background:#ef4444;border-color:#ef4444;color:#fff}
.op-btn.red:hover{background:#dc2626}
.op-btn.orange{background:var(--orange);border-color:var(--orange);color:#fff}
.op-btn.orange:hover{background:var(--orange-dark)}
.op-btn.ghost{border-color:transparent;background:transparent;color:var(--text-3)}
.op-btn.ghost:hover{color:var(--primary);border-color:transparent}

/* ---------- 搜索/工具栏 ---------- */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.toolbar .search-box{display:flex;align-items:center;gap:8px;background:#fff;border:1.5px solid var(--border-control);border-radius:10px;padding:0 12px;min-height:40px;min-width:220px}
.toolbar .search-box svg{width:16px;height:16px;color:var(--text-3);flex-shrink:0}
.toolbar .search-box input{border:none;outline:none;font-size:13.5px;width:100%;background:transparent;color:var(--text)}
.toolbar select{border:1.5px solid var(--border-control);border-radius:10px;min-height:40px;padding:0 10px;font-size:13px;background:#fff;color:var(--text-2);outline:none}
.btn-sm{min-height:40px;padding:0 18px;border-radius:10px;border:none;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:.15s}
.btn-sm svg{width:15px;height:15px}
.btn-sm.primary{background:var(--primary);color:#fff}
.btn-sm.primary:hover{background:var(--primary-dark)}
.btn-sm.outline{border:1.5px solid var(--border-control);background:#fff;color:var(--text-2)}
.btn-sm.outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm.red{background:#ef4444;color:#fff}
.btn-sm.red:hover{background:#dc2626}

/* ---------- 分页 ---------- */
.pager{display:flex;align-items:center;gap:8px;padding:14px 22px;border-top:1px solid var(--border);font-size:13px;color:var(--text-3)}
.pager button{min-width:34px;height:34px;border-radius:8px;border:1px solid var(--border-control);background:#fff;font-size:13px;color:var(--text-2);transition:.15s}
.pager button:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}
.pager button.active{background:var(--primary);border-color:var(--primary);color:#fff}
.pager button:disabled{opacity:.4;cursor:not-allowed}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:200;display:flex;align-items:flex-start;justify-content:center;padding:60px 20px 40px;overflow-y:auto;opacity:0;visibility:hidden;transition:.2s}
.modal-mask.show{opacity:1;visibility:visible}
.modal{background:#fff;border-radius:16px;width:100%;max-width:600px;box-shadow:0 24px 80px rgba(15,23,42,.25);transform:translateY(14px);transition:.2s;max-height:calc(100dvh - 100px);display:flex;flex-direction:column}
.modal-mask.show .modal{transform:none}
.modal.lg{max-width:760px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--border)}
.modal-head h3{font-size:16px;color:var(--navy);font-weight:700}
.modal-close{width:34px;height:34px;border-radius:8px;border:none;background:var(--bg);color:var(--text-3);font-size:16px;display:flex;align-items:center;justify-content:center}
.modal-close:hover{background:#fee2e2;color:#dc2626}
.modal-body{padding:22px 24px;overflow-y:auto}
.modal-foot{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}
.form-grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.f-item{margin-bottom:14px}
.f-item label{display:block;font-size:13px;font-weight:600;color:var(--navy);margin-bottom:5px}
.f-item label .req{color:var(--orange)}
.f-item input,.f-item select,.f-item textarea{width:100%;min-height:40px;border:1.5px solid var(--border-control);border-radius:9px;padding:0 12px;font-size:13.5px;outline:none;background:#fff;color:var(--text)}
.f-item textarea{padding:10px 12px;min-height:90px;resize:vertical;line-height:1.6}
.f-item input:focus,.f-item select:focus,.f-item textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.f-item .hint{font-size:12px;color:var(--text-3);margin-top:4px}
.f-item.inline-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.f-item.inline-check input{width:16px;height:16px;accent-color:var(--primary);min-height:0}

/* 功能开关（复选框组） */
.switch-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.switch-item{display:flex;align-items:center;gap:9px;border:1px solid var(--border-control);border-radius:9px;padding:9px 12px;font-size:13px;color:var(--text-2);cursor:pointer;transition:.15s}
.switch-item:hover{border-color:var(--primary)}
.switch-item input{width:16px;height:16px;accent-color:var(--primary)}
.switch-item.on{border-color:var(--primary);background:var(--primary-light);color:var(--primary);font-weight:600}

/* ---------- Toast ---------- */
.toast-wrap{position:fixed;top:76px;right:24px;z-index:300;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--navy);color:#fff;padding:13px 20px;border-radius:12px;font-size:13.5px;display:flex;align-items:center;gap:10px;box-shadow:0 12px 40px rgba(15,23,42,.3);animation:toastIn .25s ease;max-width:360px}
.toast.success{background:#059669}
.toast.error{background:#dc2626}
.toast.warn{background:var(--orange)}
.toast svg{width:17px;height:17px;flex-shrink:0}
@keyframes toastIn{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:none}}

/* ---------- 确认框 ---------- */
.confirm-box{padding:10px 4px;text-align:center}
.confirm-box .cf-ic{width:64px;height:64px;border-radius:50%;background:#fee2e2;color:#dc2626;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}
.confirm-box .cf-ic svg{width:30px;height:30px}
.confirm-box h3{color:var(--navy);margin-bottom:8px;font-size:16px}
.confirm-box p{color:var(--text-2);font-size:13.5px;line-height:1.7}

/* ---------- 工单看板 ---------- */
.kanban{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}
.kanban-col{background:#f8fafc;border:1px solid var(--border);border-radius:14px;padding:14px;min-height:200px}
.kanban-head{display:flex;align-items:center;gap:8px;padding:4px 4px 12px;font-weight:700;color:var(--navy);font-size:14px}
.kanban-head .cnt{background:var(--border);color:var(--text-2);font-size:11px;min-width:20px;height:20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px}
.ticket-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px;margin-bottom:10px;transition:.15s;cursor:pointer}
.ticket-card:hover{box-shadow:var(--shadow);border-color:var(--primary)}
.ticket-card.overdue{border-left:3px solid #ef4444}
.ticket-card h4{font-size:13.5px;color:var(--navy);margin-bottom:8px;line-height:1.5}
.ticket-meta{display:flex;gap:6px;flex-wrap:wrap;font-size:11.5px;color:var(--text-3);margin-top:8px}
.ticket-meta span{display:inline-flex;align-items:center;gap:4px}

/* ---------- 详情抽屉 ---------- */
.detail-steps{display:flex;gap:0;margin:18px 0}
.detail-step{flex:1;text-align:center;position:relative}
.detail-step::after{content:"";position:absolute;top:14px;left:50%;width:100%;height:2px;background:var(--border)}
.detail-step:last-child::after{display:none}
.detail-step .dot{width:28px;height:28px;border-radius:50%;background:var(--border);color:#fff;display:flex;align-items:center;justify-content:center;margin:0 auto 6px;position:relative;z-index:1;font-size:12px;font-weight:700}
.detail-step.done .dot{background:var(--green)}
.detail-step.done::after{background:var(--green)}
.detail-step.cur .dot{background:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}
.detail-step small{font-size:11px;color:var(--text-3);display:block}

/* ---------- 敏感词/密钥 ---------- */
.word-item{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--border);border-radius:999px;padding:5px 12px;font-size:12.5px;background:#fff;margin:4px;color:var(--text-2)}
.word-item.off{opacity:.5;text-decoration:line-through}
.word-item button{border:none;background:none;color:var(--text-3);font-size:14px;padding:0;line-height:1}
.word-item button:hover{color:#dc2626}
.key-box{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px dashed var(--border);border-radius:10px;padding:10px 14px;font-family:ui-monospace,Consolas,monospace;font-size:12.5px;color:var(--text-2);word-break:break-all}
.key-box button{border:none;background:none;color:var(--primary);font-size:12px;font-weight:600;cursor:pointer;flex-shrink:0}

/* ---------- 审计日志 ---------- */
.log-row{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--border);font-size:13px}
.log-row:last-child{border-bottom:none}
.log-row .lg-ic{width:34px;height:34px;border-radius:9px;background:var(--bg);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.log-row .lg-ic svg{width:16px;height:16px}
.log-row .lg-time{font-size:12px;color:var(--text-3);white-space:nowrap;flex-shrink:0}
.log-row .lg-user{font-weight:600;color:var(--navy);white-space:nowrap}

/* ---------- 发布/时间线 ---------- */
.release-card{border:1px solid var(--border);border-radius:14px;margin-bottom:16px;overflow:hidden}
.release-head{display:flex;align-items:center;gap:14px;padding:16px 22px;background:var(--bg);flex-wrap:wrap}
.release-ver{font-family:ui-monospace,Consolas,monospace;font-weight:800;color:var(--primary);font-size:17px}
.release-head b{color:var(--navy);font-size:14.5px}
.release-progress{width:180px;height:8px;border-radius:99px;background:var(--border);overflow:hidden;flex-shrink:0}
.release-progress i{display:block;height:100%;background:var(--gradient);border-radius:99px;transition:width .4s}
.release-body{padding:16px 22px}
.release-body ul li{display:flex;gap:8px;font-size:13.5px;color:var(--text-2);padding:5px 0}
.release-body ul svg{width:15px;height:15px;color:var(--green);flex-shrink:0;margin-top:4px}
.release-foot{padding:12px 22px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);flex-wrap:wrap}

/* ---------- 空状态 ---------- */
.empty{text-align:center;padding:56px 20px;color:var(--text-3)}
.empty svg{width:52px;height:52px;margin-bottom:14px;opacity:.4}
.empty p{font-size:14px}

/* ---------- 进度条配额 ---------- */
.quota-bar{display:flex;align-items:center;gap:10px}
.quota-bar .bar{flex:1;height:7px;border-radius:99px;background:var(--border);overflow:hidden;min-width:70px}
.quota-bar .bar i{display:block;height:100%;border-radius:99px}
.quota-bar .bar i.warn{background:var(--orange)}
.quota-bar .bar i.danger{background:#ef4444}
.quota-bar .bar i.ok{background:var(--green)}
.quota-bar small{font-size:11.5px;color:var(--text-3);white-space:nowrap}

/* ---------- 登录视图 ---------- */
.login-screen{position:fixed;inset:0;background:radial-gradient(1200px 600px at 80% -10%,#e0e7ff 0%,transparent 60%),radial-gradient(900px 500px at 10% 20%,#fce7f3 0%,transparent 55%),var(--bg);z-index:400;display:flex;align-items:center;justify-content:center;padding:24px}
.login-screen.hidden{display:none}
.login-card{background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:0 24px 80px rgba(15,23,42,.16);width:100%;max-width:400px;padding:36px 34px;position:relative}
.login-brand{text-align:center;margin-bottom:26px}
.login-mark{width:56px;height:56px;border-radius:16px;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;margin:0 auto 14px;box-shadow:0 10px 30px rgba(37,99,235,.3)}
.login-brand b{display:block;font-size:19px;color:var(--navy);letter-spacing:-.3px}
.login-brand small{font-size:11px;color:var(--text-3);letter-spacing:2px;font-weight:600}
.login-error{background:#fee2e2;color:#dc2626;font-size:13px;border-radius:9px;padding:10px 14px;margin-bottom:14px;display:none}
.login-error.show{display:block}
.login-hint{margin-top:22px;padding-top:18px;border-top:1px dashed var(--border);font-size:12px;color:var(--text-3);line-height:2}
.login-hint b{display:block;color:var(--text-2);margin-bottom:4px;font-size:12.5px}
.login-hint code{background:var(--bg);border:1px solid var(--border);border-radius:5px;padding:1px 7px;font-family:ui-monospace,Consolas,monospace;font-size:12px;color:var(--primary)}
.login-back{display:block;text-align:center;margin-top:18px;font-size:13px;color:var(--text-3)}
.login-back:hover{color:var(--primary)}
.login-tabs{display:flex;gap:6px;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:4px;margin-bottom:22px}
.login-tab{flex:1;border:0;background:transparent;color:var(--text-3);font-size:14px;font-weight:600;padding:10px 0;border-radius:9px;cursor:pointer;transition:.15s;font-family:inherit}
.login-tab.active{background:#fff;color:var(--navy);box-shadow:0 2px 8px rgba(15,23,42,.08)}
.login-tab:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.otp-code-row{display:flex;gap:10px;align-items:stretch}
.otp-code-row input{flex:1;min-width:0}
.otp-code-row .btn-ghost{flex:0 0 auto;white-space:nowrap;padding:0 16px;font-size:13px;font-weight:600;border:1px solid var(--border-control);background:#fff;color:var(--primary);border-radius:10px;cursor:pointer;height:44px;font-family:inherit}
.otp-code-row .btn-ghost:hover{background:var(--bg)}
.otp-code-row .btn-ghost:disabled{opacity:.55;cursor:not-allowed}
/* 图形验证码（两个 tab 共用一块）。隐藏用**自己的类**而不是裸 hidden ——
   本样式表没有通用 .hidden 工具类，只有 .login-screen.hidden，直接套 class="hidden" 不会生效。 */
.captcha-item.hidden{display:none}
.captcha-row{display:flex;gap:10px;align-items:stretch}
.captcha-row input{flex:1;min-width:0;letter-spacing:3px;font-weight:600;text-transform:uppercase;font-family:ui-monospace,Consolas,monospace}
/* 图片按后端返回的 132x48 等比缩放；高度与输入框对齐（44px），保持触屏友好 */
.captcha-img{flex:0 0 auto;width:132px;height:44px;object-fit:cover;border:1.5px solid var(--border-control);border-radius:9px;background:var(--bg);cursor:pointer;display:block}
.captcha-img:hover{border-color:var(--primary)}
.captcha-img:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
/* 加载中/加载失败时用占位底色，避免出现浏览器"碎图"图标 */
.captcha-img.loading{opacity:.55}
.captcha-img.error{background:#fef2f2;border-color:#fecaca}
.captcha-hint{font-size:12px;color:var(--text-3);margin-top:6px}
.captcha-hint.err{color:#dc2626}
.captcha-item label{cursor:default}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .kanban{grid-template-columns:1fr}
}
@media (max-width:768px){
  .admin-sidebar{transform:translateX(-100%)}
  .admin-sidebar.open{transform:none;box-shadow:0 0 60px rgba(0,0,0,.4)}
  .admin-main{margin-left:0}
  .admin-menu-btn{display:flex}
  .admin-mask{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:55;display:block;opacity:0;visibility:hidden;transition:.2s}
  .admin-mask.show{opacity:1;visibility:visible}
  .admin-content{padding:16px}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid2{grid-template-columns:1fr}
  .switch-grid{grid-template-columns:1fr}
  .admin-user div{display:none}
  .toolbar .search-box{min-width:160px;flex:1}
}
@media (max-width:480px){
  .kpi-grid{grid-template-columns:1fr 1fr}
  .kpi-card{padding:14px}
  .kpi-card b{font-size:19px}
}

/* ========== 后台顶栏语言选择器 ========== */
.admin-topbar .lang-sw-btn{height:40px;padding:0 11px;border-radius:9px;min-width:40px;justify-content:center}
.admin-topbar .lang-sw-cur{max-width:84px}
@media (max-width:640px){
  .admin-topbar .lang-sw-btn{width:40px;padding:0;justify-content:center}
  .admin-topbar .lang-sw-cur,.admin-topbar .lang-caret{display:none}
}