/* 设备运维管理平台 —— 全局样式 */
:root {
  --brand: #2f6bff;
  --brand-dark: #1f4fd8;
  --brand-soft: #eaf0ff;
  --bg: #f2f4f8;
  --panel: #ffffff;
  --panel-alt: #fafbfd;
  --text: #1f2733;
  --text-sub: #5b6675;
  --text-weak: #8b95a5;
  --border: #e4e8ef;
  --border-strong: #d3dae6;
  --success: #18a058;
  --warning: #f0a020;
  --danger: #d03050;
  --info: #409eff;
  --sider-bg: #ffffff;
  --sider-w: 232px;
  --sider-collapsed-w: 64px;
  --topbar-h: 56px;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(24, 41, 76, .04), 0 4px 16px rgba(24, 41, 76, .06);
}

html.dark {
  --brand: #4d86ff;
  --brand-dark: #6a9bff;
  --brand-soft: #1c2740;
  --bg: #0f1419;
  --panel: #161b22;
  --panel-alt: #1b2129;
  --text: #e3e8ef;
  --text-sub: #9aa5b4;
  --text-weak: #6e7885;
  --border: #262d38;
  --border-strong: #333c49;
  --sider-bg: #12171d;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

#app { height: 100%; }

/* ---------- 启动遮罩 ---------- */
.boot-loading {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-sub);
}
.boot-spinner {
  width: 34px; height: 34px;
  border: 3px solid var(--border);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 布局 ---------- */
.layout { display: flex; height: 100%; overflow: hidden; }

.sider {
  width: var(--sider-w);
  flex: 0 0 var(--sider-w);
  background: var(--sider-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: width .22s ease, flex-basis .22s ease;
  overflow: hidden;
}
.layout.collapsed .sider { width: var(--sider-collapsed-w); flex-basis: var(--sider-collapsed-w); }

.sider-logo {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  white-space: nowrap;
}
.sider-logo .mark {
  width: 30px; height: 30px; flex: 0 0 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), #6f9bff);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 14px;
  letter-spacing: -.5px;
}
.sider-logo .txt { display: flex; flex-direction: column; line-height: 1.25; }
.sider-logo .txt b { font-size: 14px; color: var(--text); }
.sider-logo .txt span { font-size: 11px; color: var(--text-weak); letter-spacing: .5px; }

.sider-scroll { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 8px 0 16px; }
.sider-scroll::-webkit-scrollbar { width: 6px; }
.sider-scroll::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }

.menu-group-title {
  padding: 14px 18px 6px;
  font-size: 11px;
  color: var(--text-weak);
  letter-spacing: 1px;
  white-space: nowrap;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  margin: 2px 10px;
  padding: 0 10px;
  border-radius: 8px;
  color: var(--text-sub);
  cursor: pointer;
  white-space: nowrap;
  transition: background .16s, color .16s;
  position: relative;
}
.menu-item:hover { background: var(--brand-soft); color: var(--brand); }
.menu-item.active {
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 600;
}
.menu-item.active::before {
  content: '';
  position: absolute; left: -10px; top: 8px; bottom: 8px;
  width: 3px; border-radius: 0 3px 3px 0; background: var(--brand);
}
.menu-item .label { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.layout.collapsed .menu-item { justify-content: center; padding: 0; }
.layout.collapsed .menu-item .label,
.layout.collapsed .menu-group-title { display: none; }
.menu-item .badge {
  background: var(--danger); color: #fff; border-radius: 9px;
  font-size: 11px; padding: 0 6px; line-height: 16px; min-width: 16px; text-align: center;
}

.main-col { flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  height: var(--topbar-h);
  flex: 0 0 var(--topbar-h);
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
}
.icon-btn {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px; cursor: pointer; color: var(--text-sub);
  transition: background .16s, color .16s;
}
.icon-btn:hover { background: var(--brand-soft); color: var(--brand); }

.crumbs { display: flex; align-items: center; gap: 6px; color: var(--text-weak); font-size: 13px; }
.crumbs b { color: var(--text); font-weight: 600; }
.spacer { flex: 1; }

.topbar-stat { display: flex; align-items: center; gap: 16px; margin-right: 4px; }
.topbar-stat .cell { text-align: right; line-height: 1.15; }
.topbar-stat .cell b { display: block; font-size: 14px; color: var(--text); }
.topbar-stat .cell span { font-size: 11px; color: var(--text-weak); }
@media (max-width: 1180px) { .topbar-stat { display: none; } }

.user-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 8px; border-radius: 20px; cursor: pointer;
  transition: background .16s;
}
.user-chip:hover { background: var(--brand-soft); }
.user-chip .avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), #7aa2ff);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
.user-chip .nick { font-size: 13px; color: var(--text); }

.content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}
.content::-webkit-scrollbar { width: 8px; }
.content::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }

/* ---------- 页面通用 ---------- */
.page { display: flex; flex-direction: column; gap: 12px; }

.page-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-head {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.page-head .title { font-size: 16px; font-weight: 600; color: var(--text); }
.page-head .sub { font-size: 12px; color: var(--text-weak); }
.page-head .actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

.page-body { padding: 14px 16px; }

.toolbar {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.toolbar .grow { flex: 1; }

.table-wrap { padding: 4px 16px 16px; }

.pager-wrap {
  display: flex; justify-content: flex-end; align-items: center;
  padding: 14px 16px; border-top: 1px solid var(--border);
}

/* 状态点 */
.dot { display: inline-flex; align-items: center; gap: 6px; }
.dot i { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.dot.online i { background: var(--success); box-shadow: 0 0 0 3px rgba(24,160,88,.14); }
.dot.offline i { background: var(--danger); box-shadow: 0 0 0 3px rgba(208,48,80,.13); }
.dot.inactive i { background: var(--text-weak); box-shadow: 0 0 0 3px rgba(139,149,165,.14); }

/* 标签 */
.tag {
  display: inline-flex; align-items: center;
  padding: 1px 8px; border-radius: 4px;
  font-size: 12px; line-height: 20px; white-space: nowrap;
}
.tag--success { background: rgba(24, 160, 88, .13); color: #18a058; }
.tag--danger { background: rgba(208, 48, 80, .12); color: #d03050; }
.tag--warning { background: rgba(240, 160, 32, .15); color: #d98a0b; }
.tag--info { background: rgba(139, 149, 165, .15); color: #7b8595; }
.tag--primary { background: rgba(47, 107, 255, .12); color: #2f6bff; }
.tag--weak { background: rgba(139, 149, 165, .12); color: #8b95a5; border: 1px dashed rgba(139, 149, 165, .55); }
html.dark .tag--warning { color: #f0a020; }
html.dark .tag--weak { color: #8b95a5; border-color: rgba(139, 149, 165, .5); }
html.dark .tag--info { color: #9aa5b4; }
html.dark .tag--primary { color: #6a9bff; }

.mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 12.5px; color: var(--text-sub); }

/* ---------- 页面分段 Tab ---------- */
.seg-tabs { display: flex; gap: 4px; padding: 10px 16px 0; }
.seg-tab {
  padding: 7px 16px; border-radius: 8px 8px 0 0; cursor: pointer;
  color: var(--text-sub); font-size: 13px; border: 1px solid transparent; border-bottom: none;
}
.seg-tab:hover { color: var(--brand); }
.seg-tab.active {
  color: var(--brand); font-weight: 600;
  background: var(--brand-soft); border-color: var(--border);
}
.seg-tab .cnt { font-size: 11px; color: var(--text-weak); margin-left: 5px; }

/* 字段盒 */
.field-box { display: flex; align-items: center; gap: 6px; }
.field-label { font-size: 13px; color: var(--text-sub); white-space: nowrap; }

/* ---------- 看板 ---------- */
.kpi-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 1280px) { .kpi-row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.kpi {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  display: flex; align-items: flex-start; gap: 14px;
  position: relative; overflow: hidden;
}
.kpi::after {
  content: ''; position: absolute; right: -30px; top: -30px;
  width: 110px; height: 110px; border-radius: 50%;
  background: var(--kpi-bg, rgba(47,107,255,.07));
}
.kpi .ico {
  width: 40px; height: 40px; flex: 0 0 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--kpi-bg, rgba(47,107,255,.07));
  color: var(--kpi-fg, var(--brand));
}
.kpi .num { font-size: 26px; font-weight: 700; line-height: 1.1; color: var(--text); z-index: 1; }
.kpi .cap { font-size: 12px; color: var(--text-weak); margin-top: 4px; z-index: 1; }
.kpi .trend { font-size: 12px; margin-top: 8px; z-index: 1; }
.kpi .trend.up { color: var(--success); }
.kpi .trend.down { color: var(--danger); }
.kpi { transition: box-shadow .2s ease, transform .2s ease; }
.kpi:hover { transform: translateY(-3px); box-shadow: 0 2px 6px rgba(24,41,76,.05), 0 14px 30px rgba(24,41,76,.10); }
.kpi:hover::after { background: var(--kpi-bg, rgba(47,107,255,.12)); }

.chart-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 12px; }
.chart-grid > .card-6 { grid-column: span 6; }
.chart-grid > .card-4 { grid-column: span 4; }
.chart-grid > .card-8 { grid-column: span 8; }
.chart-grid > .card-12 { grid-column: span 12; }
@media (max-width: 1280px) {
  .chart-grid > .card-6, .chart-grid > .card-4, .chart-grid > .card-8 { grid-column: span 12; }
}

.card-title {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 14px; color: var(--text);
}
.card-title .hint { font-weight: 400; font-size: 12px; color: var(--text-weak); margin-left: auto; }

.chart-box { width: 100%; height: 300px; }
.chart-box.sm { height: 260px; }

/* ---------- 表单/弹窗微调 ---------- */
.el-table {
  --el-table-border-color: var(--border);
  --el-table-header-bg-color: var(--panel-alt);
  --el-table-text-color: var(--text);
  --el-table-header-text-color: var(--text-sub);
  font-size: 13px;
}
.el-table th.el-table__cell { font-weight: 600; }
.el-pagination { justify-content: flex-end; }

.el-drawer__body { padding: 0 20px 20px; }
.json-view {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-family: "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: 12.5px;
  color: var(--text-sub);
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.6;
}

.desc-list { display: grid; grid-template-columns: 120px 1fr; gap: 10px 14px; align-items: start; }
.desc-list dt { color: var(--text-weak); font-size: 13px; }
.desc-list dd { margin: 0; color: var(--text); word-break: break-all; }

.qr-box {
  width: 180px; height: 180px; margin: 0 auto;
  border: 1px solid var(--border); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--panel-alt);
}

.empty-tip { padding: 26px 0; text-align: center; color: var(--text-weak); font-size: 13px; }

/* ---------- 角色管理：菜单权限树 ---------- */
.perm-tree {
  width: 100%;
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-alt);
  padding: 8px 10px;
}
.perm-tree .el-tree { background: transparent; color: var(--text); }
.perm-tree .el-tree-node__content { height: 30px; }
.perm-tree-tip { margin-top: 6px; font-size: 12px; color: var(--text-weak); line-height: 1.6; }
.perm-tree-bar { display: flex; gap: 6px; margin-bottom: 6px; }
.perm-tree-bar .el-button { padding: 4px 8px; height: auto; font-size: 12px; }

/* ---------- 表单字段补充说明（如客户数据范围） ---------- */
.field-tip { margin-top: 2px; font-size: 12px; color: var(--text-weak); line-height: 1.6; }

/* ---------- 自动填充拦位 ----------
   浏览器（尤其 Chrome 的密码管理器）会把上一次的账号/口令塞进表单里第一个文本框，
   曾导致「新增用户时邮箱被自动填成 admin」。这两个隐藏输入先接住自动填充，
   真实字段保持干净；不可见、不参与布局、不可聚焦。 */
.autofill-guard { position: absolute; width: 0; height: 0; overflow: hidden; opacity: 0; pointer-events: none; }
.autofill-guard input { width: 0; height: 0; border: 0; padding: 0; }

/* ---------- 表头字段说明（如「所属客户」按域名自动匹配） ----------
   问号用伪元素绘制，不写进 DOM 文本：表头 textContent 仍是纯字段名，便于回归断言 */
.th-tip {
  display: inline-block; margin-left: 4px; width: 13px; height: 13px; line-height: 12px;
  text-align: center; border: 1px solid var(--text-weak); border-radius: 50%;
  font-size: 10px; color: var(--text-weak); cursor: help; font-style: normal;
}
.th-tip::after { content: '?'; }

/* ---------- 数据范围提示（受客户范围限制时展示在页面标题旁） ---------- */
.scope-tip {
  display: inline-flex; align-items: center; gap: 4px;
  margin-left: 8px; padding: 1px 8px;
  border: 1px solid var(--brand); border-radius: 10px;
  font-size: 12px; color: var(--brand); white-space: nowrap;
}

/* ---------- 升级对话框：目标客户 chips ---------- */
.fw-target {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 10px 12px; margin-bottom: 14px;
  background: var(--panel-alt); border: 1px solid var(--border); border-radius: 8px;
  font-size: 13px;
}
.fw-cus-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 6px;
  background: var(--panel); border: 1px solid var(--border);
  font-size: 12.5px; color: var(--text-sub);
}
.fw-cus-chip .cnt {
  padding: 0 6px; border-radius: 8px; font-size: 11px;
  background: rgba(47, 107, 255, .12); color: var(--brand);
}

/* CMD23 切换平台弹窗：默认值来源提示 */
.swap-default-tip {
  margin: -6px 0 14px; padding: 7px 10px;
  font-size: 12px; line-height: 1.7; color: var(--text-weak);
  background: var(--panel-alt); border: 1px dashed var(--border); border-radius: 6px;
}

/* CMD23 切换平台弹窗：目标地址的客户归属预判 */
.swap-cust-hint {
  margin: -6px 0 14px; padding: 7px 10px;
  font-size: 12px; line-height: 1.7; border-radius: 6px;
  color: var(--success); background: rgba(24, 160, 88, .1);
  border: 1px solid rgba(24, 160, 88, .28);
}
.swap-cust-hint.is-none {
  color: #d98a0b; background: rgba(240, 160, 32, .12);
  border-color: rgba(240, 160, 32, .3);
}

/* ---------- 通讯协议页 ---------- */
.code-box {
  margin: 0; padding: 12px 14px;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 12px; line-height: 1.65;
  color: var(--text);
  white-space: pre-wrap; word-break: break-all;
  max-height: 320px; overflow: auto;
}

.proto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 1180px) { .proto-grid { grid-template-columns: 1fr; } }

.proto-box {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--panel-alt);
}
.proto-box-title { font-size: 13px; font-weight: 600; color: var(--text-sub); margin-bottom: 8px; }
.proto-line {
  display: flex; gap: 10px; align-items: baseline;
  padding: 5px 0; border-bottom: 1px dashed var(--border); font-size: 12.5px;
}
.proto-line:last-child { border-bottom: none; }
.proto-k { flex: 0 0 96px; color: var(--text-weak); }
.proto-v { flex: 1; color: var(--text); word-break: break-all; }
.proto-ul { margin: 0; padding-left: 18px; font-size: 12.5px; color: var(--text-sub); }
.proto-ul li { padding: 3px 0; }

.cmd-nav { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 14px; }
.cmd-chip {
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 8px 12px;
  cursor: pointer;
  background: var(--panel-alt);
  display: flex; flex-direction: column; gap: 2px;
  min-width: 132px;
  transition: border-color .15s, background .15s;
}
.cmd-chip:hover { border-color: var(--brand); }
.cmd-chip.active { border-color: var(--brand); background: rgba(47, 107, 255, .09); }
.cmd-chip b { font-size: 12.5px; color: var(--text); }
.cmd-chip > span { font-size: 12px; color: var(--text-sub); }
.cmd-dir { font-size: 11px; font-style: normal; color: var(--text-weak); }
.cmd-dir.up { color: #18a058; }
.cmd-dir.down { color: #f0a020; }

.cmd-detail {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  background: var(--panel-alt);
}
.cmd-detail-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cmd-detail-head b { font-size: 15px; }

/* ---------- Element 深色适配 ---------- */
html.dark body { background: var(--bg); }
html.dark .el-drawer, html.dark .el-dialog { background: var(--panel); }
html.dark .el-input__wrapper,
html.dark .el-select__wrapper { background-color: var(--panel-alt); box-shadow: 0 0 0 1px var(--border) inset; }
html.dark .el-card { background: var(--panel); border-color: var(--border); }

/* 页面切换动效 */
.fade-enter-active, .fade-leave-active { transition: opacity .18s ease, transform .18s ease; }
.fade-enter-from { opacity: 0; transform: translateY(6px); }
.fade-leave-to { opacity: 0; }

/* ---------- 生产测试记录 ---------- */
.prod-stat {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--panel-alt);
}
.prod-stat__item { flex: 1 1 150px; min-width: 130px; }
.prod-stat__label { font-size: 12px; color: var(--text-weak); margin-bottom: 4px; }
.prod-stat__value { font-size: 20px; font-weight: 600; line-height: 1.2; }
.prod-stat__value .unit { font-size: 12px; font-weight: 400; color: var(--text-weak); margin-left: 4px; }

.imp-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.imp-file { font-size: 12px; color: var(--text-weak); }
.imp-preview { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0 4px; }
.imp-chip {
  display: flex; align-items: baseline; gap: 8px;
  padding: 6px 12px; border-radius: 8px;
  background: var(--panel-alt); border: 1px solid var(--border);
}
.imp-chip__label { font-size: 12px; color: var(--text-weak); }
.imp-chip__value { font-size: 15px; font-weight: 600; }
.imp-title {
  font-size: 13px; font-weight: 600; margin: 14px 0 8px;
  display: flex; align-items: center; flex-wrap: wrap; gap: 4px;
}

.cmd-ext {
  font-style: normal; font-size: 11px; padding: 1px 6px; border-radius: 4px;
  background: rgba(240, 160, 32, .14); color: #f0a020; border: 1px dashed rgba(240, 160, 32, .5);
}

/* 空数据提示条 */
.empty-hint {
  display: flex; align-items: center; gap: 8px; margin-bottom: 14px;
  padding: 10px 14px; border-radius: 10px; font-size: 13px; color: var(--text-sub);
  background: var(--brand-soft); border: 1px dashed var(--border-strong);
}
.empty-hint .app-icon { color: var(--brand); flex: none; }

/* ---------- 登录页 ---------- */
.login-page {
  position: relative; height: 100%; min-height: 100vh; overflow: auto;
  display: flex; flex-direction: column;
  background: var(--bg);
}
.login-deco {
  position: fixed; inset: 0; pointer-events: none;
  background:
    radial-gradient(1000px 480px at 12% -10%, rgba(47, 107, 255, .16), transparent 60%),
    radial-gradient(760px 420px at 92% 8%, rgba(24, 160, 88, .12), transparent 62%);
}
.login-top {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 26px;
}
.login-brand-mini { display: flex; align-items: center; gap: 10px; }
.login-brand-mini .mark {
  width: 32px; height: 32px; border-radius: 8px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff; font-weight: 700; font-size: 13px; letter-spacing: .5px;
}
.login-brand-mini b { font-size: 15px; }

.login-wrap {
  position: relative; z-index: 1; flex: 1;
  display: flex; align-items: center; justify-content: center; gap: 64px;
  padding: 12px 40px 40px; flex-wrap: wrap;
}
.login-brand { max-width: 460px; }
.login-brand h1 {
  margin: 0 0 14px; font-size: 34px; line-height: 1.35; font-weight: 700; letter-spacing: .5px;
}
.login-brand .sub { margin: 0 0 22px; color: var(--text-sub); font-size: 14px; line-height: 1.8; }
.feat { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 12px; }
.feat li { display: flex; align-items: center; gap: 10px; color: var(--text-sub); font-size: 13.5px; }
.feat li .app-icon { color: var(--brand); }
.brand-foot {
  font-size: 12px; color: var(--text-weak); padding-top: 14px; border-top: 1px dashed var(--border);
}

.login-card {
  width: 400px; max-width: 100%;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow); padding: 26px 28px 22px;
}
/* 仅登录卡片标题用大字号，避免污染看板卡片标题（看板保持 14px） */
.login-card .card-title { font-size: 19px; font-weight: 600; letter-spacing: .3px; margin-bottom: 2px; }
.card-desc { font-size: 12.5px; color: var(--text-weak); margin: 6px 0 16px; }
.login-form { margin-top: 2px; }
.form-row { margin-bottom: 15px; }
.form-label { font-size: 12.5px; color: var(--text-sub); margin-bottom: 6px; }
.code-row { display: flex; gap: 10px; align-items: center; }
.code-row .code-input { flex: 1; }
.code-img {
  width: 96px; height: 38px; flex: none; cursor: pointer; border-radius: 5px; overflow: hidden;
  border: 1px solid var(--border); background: var(--panel-alt);
}
.code-img svg { display: block; }
.form-extra {
  display: flex; align-items: center; justify-content: space-between;
  margin: 2px 0 16px; font-size: 12.5px;
}
.form-extra .link { color: var(--brand); cursor: pointer; }
.submit-btn { width: 100%; margin-top: 2px; }
.form-alert { margin-top: 14px; }

.demo-box {
  margin-top: 16px; padding: 12px 14px; border-radius: 10px;
  background: var(--panel-alt); border: 1px dashed var(--border-strong);
}
.demo-title { font-size: 12px; color: var(--text-weak); margin-bottom: 9px; }
.demo-accounts { display: flex; flex-wrap: wrap; gap: 8px; }
.demo-chip {
  display: flex; align-items: baseline; gap: 6px; cursor: pointer;
  padding: 5px 10px; border-radius: 7px; font-size: 12px;
  border: 1px solid var(--border-strong); background: var(--panel); color: var(--text-sub);
}
.demo-chip:hover { border-color: var(--brand); color: var(--brand); }
.demo-chip b { font-family: Consolas, monospace; font-size: 12.5px; }
.demo-chip.bad { border-style: dashed; opacity: .85; }
.demo-chip.bad:hover { border-color: var(--danger); color: var(--danger); }

/* .qr-box 现由「设备台账 · 二维码指令」弹窗使用，样式见上方同名规则 */
.qr-box { position: relative; display: flex; justify-content: center; padding: 8px 0 4px; }

.login-foot {
  position: relative; z-index: 1; text-align: center;
  padding: 14px 0 20px; font-size: 12px; color: var(--text-weak);
}

/* 顶栏下拉里的会话信息 */
.session-meta {
  padding: 6px 16px 8px; font-size: 11.5px; color: var(--text-weak);
  border-bottom: 1px solid var(--border); margin-bottom: 4px;
}

@media (max-width: 900px) {
  .login-wrap { gap: 28px; padding: 8px 18px 30px; }
  .login-brand h1 { font-size: 26px; }
  .login-brand .feat { display: none; }
  .login-card { width: 100%; }
}

/* ================= UI 细节优化 ================= */
/* 滚动条：统一细条，hover 加深 */
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--border-strong); border-radius: 5px;
  border: 2px solid transparent; background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--text-weak); background-clip: content-box; }

::selection { background: rgba(47, 107, 255, .18); }
b, .num, .kpi .num, .topbar-stat b { font-variant-numeric: tabular-nums; }

/* ---------- 侧边栏 ---------- */
.sider { box-shadow: 1px 0 0 rgba(24, 41, 76, .03); }
.sider-logo { padding: 0 14px; }
.sider-logo .mark { box-shadow: 0 4px 10px rgba(47, 107, 255, .3); }

.menu-group-title {
  padding: 16px 18px 6px;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 1.2px;
  color: var(--text-weak);
}
.menu-item {
  height: 38px;
  margin: 3px 10px;
  padding: 0 10px;
  border-radius: 9px;
  font-size: 13.5px;
}
.menu-item .app-icon { flex: 0 0 18px; opacity: .88; }
.menu-item:hover { transform: translateX(1px); }
.menu-item.active {
  box-shadow: inset 0 0 0 1px rgba(47, 107, 255, .2);
}
.menu-item.active .app-icon { opacity: 1; }
.menu-item.active::before {
  top: 9px; bottom: 9px; width: 3px;
  box-shadow: 0 0 8px rgba(47, 107, 255, .55);
}
.menu-item .badge { box-shadow: 0 1px 4px rgba(208, 48, 80, .35); }
.layout.collapsed .menu-item { margin: 3px 8px; }
.layout.collapsed .sider-logo { padding: 0; justify-content: center; }

.sider-foot {
  flex: 0 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 10px 16px 12px;
  border-top: 1px solid var(--border);
  font-size: 11px; color: var(--text-weak);
  white-space: nowrap; overflow: hidden;
}
.sider-foot .env {
  padding: 2px 7px; border-radius: 20px;
  background: rgba(240, 160, 32, .14); color: #d98a0b;
  border: 1px dashed rgba(240, 160, 32, .5);
}
.sider-foot .env.live { background: rgba(24, 160, 88, .13); color: #18a058; border-color: rgba(24, 160, 88, .45); }
html.dark .sider-foot .env { color: #f0a020; }
html.dark .sider-foot .env.live { color: #3fbc7f; }

/* ---------- 顶栏 ---------- */
.topbar { box-shadow: 0 1px 0 rgba(24, 41, 76, .04); }
.crumbs { gap: 8px; }
.crumbs .sep { opacity: .5; }
.crumbs b { font-size: 13.5px; }
.icon-btn:active { transform: scale(.94); }

.topbar-stat { gap: 0; }
.topbar-stat .cell { padding: 0 16px; border-right: 1px solid var(--border); }
.topbar-stat .cell:last-child { border-right: none; padding-right: 8px; }

.user-chip { padding: 4px 10px 4px 4px; border: 1px solid transparent; }
.user-chip:hover { background: var(--panel-alt); border-color: var(--border); }
.user-chip .avatar { box-shadow: 0 2px 6px rgba(47, 107, 255, .28); }

/* ---------- 内容区 / 卡片 ---------- */
.content { padding: 18px 20px 22px; }
.page { gap: 14px; }
.page-card { transition: box-shadow .18s ease, transform .18s ease; }
.page-card:hover { box-shadow: 0 2px 6px rgba(24, 41, 76, .05), 0 10px 26px rgba(24, 41, 76, .07); }
.page-head .title { font-size: 17px; letter-spacing: .2px; position: relative; padding-left: 12px; }
.page-head .title::before {
  content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 15px; border-radius: 2px; background: var(--brand);
}
.tag { font-weight: 500; }
.page-head .sub { line-height: 1.6; max-width: 900px; }
.toolbar { gap: 10px; row-gap: 8px; }
.table-wrap { padding: 0 16px 12px; }
.pager-wrap { padding: 2px 16px 16px; }

/* ---------- 表格 ---------- */
.el-table th.el-table__cell {
  background: var(--panel-alt);
  color: var(--text-sub);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: .2px;
}
.el-table td.el-table__cell { font-size: 13px; }
.el-table__body tr:hover > td.el-table__cell { background: var(--brand-soft); }
.el-table .el-table__empty-text { color: var(--text-weak); font-size: 13px; padding: 26px 0; }
.el-table__empty-block { min-height: 120px; }

/* ---------- 全平台表格统一（参照设备台账） ----------
   Element 会把列对齐结果写进单元格的行内样式，普通样式盖不住，所以表头居中必须用 !important。 */
.el-table th.el-table__cell > .cell {
  text-align: center !important;
  justify-content: center !important;
  align-items: center;
}
/* 行内不折行：所有表格的行高一致、行与行严格齐平，溢出省略号 + 悬停看全文 */
.el-table .el-table__body td.el-table__cell > .cell {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* 操作列放的是链接按钮，必须整体单行且不能被裁切（配合元素的 class-name="op-col"）。
   权重必须不低于上面的「行内不折行」规则：那条带 td 元素选择器（0-4-1），若这里写成
   .el-table .el-table__cell.op-col（0-4-0）会被盖回 overflow:hidden——
   设备台账表体文字居中，操作列内容一超宽就两侧同时被裁，左侧「升级/重启」按钮看不全也点不到。 */
.el-table .el-table__body td.el-table__cell.op-col > .cell {
  overflow: visible; text-overflow: clip; white-space: nowrap;
  /* 操作列是「链接按钮 + 更多下拉」的混合体：默认 inline 排布会受模板空白符影响，
     间距不均且下拉触发器与按钮基线不齐。改成 flex 后间距统一、垂直居中对齐。 */
  display: flex; align-items: center; justify-content: center; gap: 8px;
}

/* ---------- 设备台账：表格微调 ---------- */
/* 自动刷新开关 */
.ar-btn {
  border: 1px solid var(--border); background: var(--panel-alt); cursor: pointer; flex: none;
  border-radius: 8px; padding: 5px 11px; font-size: 12.5px; color: var(--text-sub);
  display: inline-flex; align-items: center; white-space: nowrap; margin-right: 10px;
  transition: background .15s, color .15s, border-color .15s;
}
.ar-btn:hover { color: var(--brand); background: var(--brand-soft); border-color: var(--brand); }
.ar-btn.active { color: var(--brand); border-color: var(--brand); background: var(--brand-soft); }

/* 紧凑模式：进一步收紧单元格内边距与行高，提升信息密度 */
.el-table--small .el-table__cell .cell { padding-left: 9px; padding-right: 9px; line-height: 1.45; }
.el-table--small .el-table__row td.el-table__cell { padding-top: 3px; padding-bottom: 3px; }
.el-table--large .el-table__row td.el-table__cell { padding-top: 10px; padding-bottom: 10px; }

/* 设备台账另外一条：表头与表体文字全部居中（含原本右对齐的数值列，
   用 !important 覆盖 Element 的 is-right 对齐）。单行省略与表头居中的通用规则见上方「全平台表格统一」。 */
.device-table .el-table__cell .cell { text-align: center !important; justify-content: center !important; }
/* 相邻行颜色不同：强化斑马纹对比，确保深浅分明 */
.device-table.el-table--striped .el-table__body tr.el-table__row--striped > td.el-table__cell { background: var(--panel-alt); }

/* 表头更精致：左侧微留白、字距、底部细线 */
.el-table th.el-table__cell .cell { font-size: 12.5px; letter-spacing: .2px; }
/* 序号/数值列右对齐时已带，这里统一让操作列不换行 */
.el-table .el-table__fixed-right .cell { white-space: nowrap; }

/* 斑马纹对比更柔和 */
.el-table--striped .el-table__body tr.el-table__row--striped td.el-table__cell {
  background: var(--panel-alt);
}
html.dark .el-table--striped .el-table__body tr.el-table__row--striped td.el-table__cell {
  background: rgba(255, 255, 255, .025);
}

/* ---------- 表单 / 弹窗 ---------- */
.el-button { border-radius: 8px; font-weight: 500; transition: filter .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease; }
.el-button:not(.is-disabled):hover { filter: brightness(.97); }
.el-button--primary:not(.is-disabled):hover { box-shadow: 0 4px 12px rgba(47,107,255,.32); }
.el-button.is-link { border-radius: 6px; }
.el-input__wrapper, .el-textarea__inner { border-radius: 8px; }
.el-dialog { border-radius: 14px; overflow: hidden; }
.el-dialog__header { padding-bottom: 12px; }
.el-dialog__title { font-weight: 600; font-size: 16px; }
.el-drawer__title { font-weight: 600; }
.el-form-item__label { color: var(--text-sub); }
.el-message { border-radius: 10px; }
.el-notification { border-radius: 12px; }
.tag { border-radius: 6px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .content { padding: 14px 14px 18px; }
  .page-head { flex-wrap: wrap; row-gap: 6px; }
}
@media (max-width: 760px) {
  .sider { position: absolute; z-index: 20; height: 100%; box-shadow: 0 8px 30px rgba(0, 0, 0, .18); }
  .topbar { padding: 0 10px; gap: 8px; }
  .user-chip .nick { display: none; }
  .content { padding: 12px 10px 16px; }
}


/* ---------- 系统设置：品牌标识（名称 / LOGO / 版权） ---------- */
.brand-row { display: flex; gap: 28px; flex-wrap: wrap; align-items: flex-start; }
.brand-logo { display: flex; gap: 14px; align-items: flex-start; }
.logo-drop {
  width: 96px; height: 96px; flex: 0 0 96px;
  border: 1px dashed var(--border-strong);
  border-radius: 10px;
  background: var(--panel-alt);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; cursor: pointer;
  transition: border-color .18s ease, background .18s ease;
}
.logo-drop:hover { border-color: var(--brand); }
.logo-drop.filled { border-style: solid; background: var(--panel); }
.logo-drop img { width: 100%; height: 100%; object-fit: contain; display: block; }
.logo-ph {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  color: var(--text-weak); font-size: 11px; line-height: 1.3; padding: 0 6px; text-align: center;
}
.logo-ops { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.logo-ops .el-button + .el-button { margin-left: 0; }
.brand-preview { flex: 1; min-width: 240px; }
.pv-title { font-size: 12px; color: var(--text-weak); margin-bottom: 8px; }

/* ---------- 系统设置：数据类型管理（设备类型 / 升级类型） ---------- */
.type-grid { display: flex; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.type-block { flex: 1 1 460px; min-width: 380px; }
.type-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.type-head b { font-size: 13px; }
.type-head .hint { font-size: 12px; color: var(--text-weak); }

/* ---------- 表单里的文件上传字段（如固件包） ---------- */
.upload-field { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; width: 100%; }
.upload-state { font-size: 12px; color: var(--text-weak); line-height: 1.6; word-break: break-all; }
.upload-state.busy { color: var(--brand); }
.upload-input { display: none; }
.pv-box.sider-logo {
  height: auto; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--panel-alt);
}
/* LOGO 生效处：无图时用品牌字 + 渐变底，有图时贴容器展示 */
.sider-logo .mark.hasimg,
.login-brand-mini .mark.hasimg { background: none; }
.sider-logo .mark img,
.login-brand-mini .mark img { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; display: block; }
.layout.collapsed .sider-logo .txt { display: none; }