/* 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); }

.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; }

/* ---------- 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);
}

/* ---------- 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;
}
.card-title { font-size: 19px; font-weight: 600; }
.card-desc { font-size: 12.5px; color: var(--text-weak); margin: 6px 0 16px; }
.login-tabs { 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 { position: relative; display: flex; justify-content: center; padding: 8px 0 4px; }
.qr-img {
  width: 176px; height: 176px; padding: 8px; border-radius: 10px;
  background: #fff; border: 1px solid var(--border); box-shadow: 0 2px 10px rgba(0, 0, 0, .06);
}
.qr-img svg { display: block; width: 100%; height: 100%; }
.qr-mask {
  position: absolute; inset: 8px; border-radius: 10px; background: rgba(255, 255, 255, .92);
  display: flex; align-items: center; justify-content: center; color: var(--success);
}
.qr-tip {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  font-size: 13px; color: var(--text-sub); margin: 10px 0 16px;
}
.qr-tip .app-icon { color: var(--brand); }
.wx-foot {
  margin-top: 12px; font-size: 11.5px; line-height: 1.7; color: var(--text-weak);
  display: grid; gap: 4px;
}
.wx-foot .link { color: var(--brand); cursor: pointer; justify-self: start; }

.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%; }
}