body.factory-page {
  background: #e8edf5;
}
body.factory-page .wrap {
  max-width: none;
  padding: 0;
  min-height: 0;
}
body.factory-page .site-footer { display: none; }

/* 工厂页是浅色车间。导航仍用全站深色，避免磨砂把浅地面混成灰条。 */
body.factory-page .site-header,
body.factory-page .site-header.is-scrolled {
  background: #05070b !important;
  color: #e8eef5;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-bottom: 1px solid #1e2a36;
  box-shadow: none;
}
body.factory-page .nav-links a { color: #8b9aab; }
body.factory-page .nav-links a:hover,
body.factory-page .nav-links a.active { color: #e8eef5; }
body.factory-page .brand { color: #e8eef5; }
body.factory-page .nav-lang { border-color: #2a3a48; }
body.factory-page .nav-lang a + a { border-left-color: #2a3a48; }
body.factory-page .nav-lang a.is-on {
  background: rgba(0, 229, 255, 0.16);
  color: #00e5ff !important;
}

.twin {
  position: relative;
  height: calc(100dvh - 64px);
  min-height: 560px;
  background: #dfe6f0;
  color: #1a2430;
}
.twin-stage { position: absolute; inset: 0; }
.factory-canvas-wrap {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #eef3f9 0%, #d9e2ee 55%, #cfd8e6 100%);
}
.factory-canvas-wrap canvas { display: block; width: 100% !important; height: 100% !important; }

.twin-hud {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  align-content: stretch;
  padding: 18px 20px 16px;
  pointer-events: none;
}
.twin-top {
  display: grid;
  grid-template-columns: minmax(240px, 28rem) minmax(0, 1fr) minmax(220px, 18rem);
  align-items: start;
  gap: 14px;
}
.twin-brand {
  padding: 12px 14px;
  border: 1px solid rgba(37, 99, 235, 0.22);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(26, 36, 48, 0.08);
  pointer-events: auto;
}
.twin-brand h1 {
  margin: 6px 0 6px;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  letter-spacing: -0.02em;
  color: #0f172a;
}
.twin-brand p {
  margin: 0;
  color: #5c6b7a;
  font-size: 13px;
  line-height: 1.55;
}
.twin-brand .chapter-tag {
  background: rgba(37, 99, 235, 0.12);
  color: #1d4ed8;
}
.twin-brand-note {
  margin-top: 8px !important;
  font-size: 12px !important;
  color: #7a8794 !important;
}
.twin-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}
.twin-flow li {
  display: flex;
  align-items: center;
  color: #1d4ed8;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.02em;
}
.twin-flow li + li::before {
  content: "→";
  margin: 0 6px;
  color: #94a3b8;
  font-weight: 500;
}

.twin-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  pointer-events: auto;
}
.twin-kpis div {
  min-width: 0;
  padding: 8px 12px 10px;
  border-radius: 12px;
  border: 1px solid rgba(30, 42, 54, 0.1);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 18px rgba(26, 36, 48, 0.06);
}
.twin-kpis dt {
  margin: 0;
  color: #7a8794;
  font-size: 11px;
  letter-spacing: 0.06em;
}
.twin-kpis dd {
  margin: 2px 0 0;
  font-size: 1.28rem;
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  color: #0f172a;
}
.twin-kpis .kpi-note {
  margin-top: 2px;
  font-size: 11px;
  font-weight: 500;
  color: #7a8794;
}
.twin-kpis small { margin-left: 2px; font-size: 0.7rem; color: #7a8794; }
.twin-kpis .is-warn { border-color: rgba(245, 158, 11, 0.55); animation: kpi-warn 1.8s ease-in-out infinite; }
.twin-kpis .is-warn dd { color: #d97706; }
.twin-kpis .is-warn .kpi-note { color: #b45309; }

.twin.hud-lean .twin-brand,
.twin.hud-lean .twin-kpis { display: none; }
.twin.hud-lean .twin-top {
  grid-template-columns: 1fr minmax(220px, 18rem);
}

body.factory-page .nav-hud-toggle {
  margin-left: 4px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid #2a3a48;
  background: #121820;
  color: #c5d0db;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
body.factory-page .nav-hud-toggle:hover {
  color: #e8eef5;
  border-color: #3d5164;
}
body.factory-page .nav-hud-toggle[aria-pressed="true"] {
  border-color: #00e5ff;
  color: #00e5ff;
  box-shadow: 0 0 0 1px rgba(0, 229, 255, 0.25);
}

@keyframes kpi-warn {
  0%, 100% { box-shadow: 0 6px 18px rgba(26, 36, 48, 0.06); }
  50% { box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.45), 0 8px 22px rgba(217, 119, 6, 0.18); }
}

.twin-aside {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  pointer-events: auto;
}
.twin-mobile-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
}
.twin-hud-toggle-page { display: none; }
.twin-help .is-mobile-help { display: none; }
.twin-clock {
  align-self: auto;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(30, 42, 54, 0.1);
  background: rgba(255, 255, 255, 0.9);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: #1a2430;
  text-align: right;
}
.twin-help {
  padding: 12px 14px 14px;
  border-radius: 14px;
  border: 1px solid rgba(37, 99, 235, 0.22);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(26, 36, 48, 0.08);
}
.twin-help h2 {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: #1d4ed8;
}
.twin-help ol {
  margin: 0;
  padding-left: 18px;
  color: #5c6b7a;
  font-size: 12px;
  line-height: 1.65;
}
.twin.has-station .twin-help { visibility: hidden; }

.twin-modes {
  grid-row: 4;
  justify-self: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: min(980px, 100%);
  padding: 6px;
  border-radius: 999px;
  background: #05070b;
  border: 1px solid #1e2a36;
  box-shadow: 0 0 0 1px rgba(0, 229, 255, 0.12), 0 10px 28px rgba(5, 7, 11, 0.35);
  pointer-events: auto;
}
.twin-modes button {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid #1e2a36;
  background: #05070b;
  color: #8b9aab;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.twin-modes button.is-on,
.twin-modes button:hover {
  color: #041018;
  border-color: transparent;
  background: linear-gradient(135deg, #00e5ff, #4d8bff);
}

.factory-hint {
  grid-row: 3;
  justify-self: center;
  margin: 0 0 8px;
  max-width: min(720px, 100%);
  text-align: center;
  color: #6b7785;
  font-size: 12px;
}

.factory-panel {
  position: absolute;
  top: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 3;
  width: min(380px, calc(100% - 32px));
  padding: 18px 18px 24px;
  overflow: auto;
  border: 1px solid rgba(30, 42, 54, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 40px rgba(26, 36, 48, 0.12);
  color: #1a2430;
}
.factory-panel[hidden] { display: none !important; }
.factory-panel__close {
  float: right;
  background: none;
  border: 0;
  color: #7a8794;
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}
.factory-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.15);
  color: #15803d;
  font-size: 12px;
  letter-spacing: .06em;
}
.factory-badge.is-warning { background: rgba(245, 158, 11, 0.16); color: #b45309; }
.factory-badge.is-alarm { background: rgba(255, 107, 74, 0.16); color: #c2410c; }
.factory-panel h2 { margin: 10px 0 0; font-size: 1.2rem; clear: both; }
.factory-panel__img {
  display: block;
  width: 100%;
  height: auto;
  margin: 14px 0;
  border-radius: 12px;
  border: 1px solid rgba(30, 42, 54, 0.1);
  background: #f4f7fb;
}
.factory-panel__sum { color: #5c6b7a; font-size: 14px; line-height: 1.55; margin: 0; }
.factory-specs {
  margin: 14px 0;
  padding-left: 18px;
  color: #5c6b7a;
  font-size: 13px;
  line-height: 1.65;
}
.factory-panel__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.factory-panel__handle { display: none; }
.factory-backdrop { display: none; }

.factory-list-wrap { display: none; }
.factory-list { display: none; }
.factory-list-title {
  margin: 0 0 4px;
  font-size: 1.1rem;
  color: #0f172a;
}
.factory-list-lead {
  margin: 0 0 12px;
  color: #7a8794;
  font-size: 13px;
}
.factory-list__item {
  display: grid;
  gap: 4px;
  text-align: left;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(30, 42, 54, 0.12);
  background: #fff;
  color: #1a2430;
  cursor: pointer;
  font: inherit;
  box-shadow: 0 4px 12px rgba(26, 36, 48, 0.05);
}
.factory-list__name { font-weight: 650; font-size: 15px; }
.factory-list__sum {
  color: #5c6b7a;
  font-size: 13px;
  line-height: 1.5;
}

@media (max-width: 1180px) {
  .twin.hud-lean .twin-top {
    grid-template-columns: 1fr minmax(220px, 18rem);
  }
  .twin.hud-lean .twin-aside {
    grid-column: 2;
    grid-row: 1;
  }
  .twin-top {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 18rem);
  }
  .twin-kpis {
    grid-column: 1;
    grid-row: 2;
  }
  .twin-aside { grid-row: 1 / span 2; }
}

@media (max-width: 1100px) {
  body.factory-page .nav-hud-toggle {
    width: 100%;
    margin: 6px 0 0;
    text-align: center;
  }
}

@media (max-width: 900px) {
  body.factory-page { overflow-x: hidden; overflow-y: auto; }
  body.factory-page .wrap {
    padding: 0 0 calc(24px + env(safe-area-inset-bottom, 0px));
  }
  body.factory-sheet-open {
    overflow: hidden;
    touch-action: none;
  }
  body.factory-page .nav-hud-toggle {
    width: 100%;
    margin: 6px 0 0;
    text-align: center;
  }
  .twin {
    height: auto;
    min-height: 0;
    padding-bottom: 8px;
  }
  .twin-stage { position: relative; }
  .factory-canvas-wrap { display: none; }
  .twin-hud {
    position: relative;
    padding: 12px 14px 8px;
    grid-template-rows: auto;
  }
  .twin-top {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .twin.hud-lean .twin-top { grid-template-columns: 1fr; }
  .twin.hud-lean .twin-aside { grid-column: auto; grid-row: auto; }
  .twin-brand { padding: 12px 14px 14px; }
  .twin-brand h1 { font-size: 1.45rem; }
  .twin-brand p { font-size: 13px; }
  .twin-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .twin-kpis dd { font-size: 1.12rem; }
  .twin-mobile-bar {
    justify-content: space-between;
    width: 100%;
  }
  .twin-hud-toggle-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(30, 42, 54, 0.14);
    background: #fff;
    color: #1a2430;
    font: inherit;
    font-size: 13px;
    font-weight: 650;
    cursor: pointer;
  }
  .twin-hud-toggle-page[aria-pressed="true"] {
    border-color: rgba(0, 229, 255, 0.55);
    color: #0e7490;
  }
  .twin-clock {
    padding: 8px 10px;
    font-size: 13px;
  }
  .twin-help .is-desktop-help { display: none; }
  .twin-help .is-mobile-help { display: block; }
  .twin.has-station .twin-help { visibility: visible; }
  .twin-modes,
  .factory-hint { display: none; }
  .factory-list-wrap {
    display: block;
    padding: 4px 14px 28px;
  }
  .factory-list-title {
    margin: 8px 0 4px;
    font-size: 1.05rem;
    color: #0f172a;
  }
  .factory-list-lead {
    margin: 0 0 12px;
    color: #7a8794;
    font-size: 13px;
  }
  .factory-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0;
  }
  .factory-list__item {
    display: grid;
    gap: 4px;
    text-align: left;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(30, 42, 54, 0.12);
    background: #fff;
    color: #1a2430;
    cursor: pointer;
    font: inherit;
    box-shadow: 0 4px 12px rgba(26, 36, 48, 0.05);
  }
  .factory-list__name {
    font-weight: 650;
    font-size: 15px;
  }
  .factory-list__sum {
    color: #5c6b7a;
    font-size: 13px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .factory-backdrop:not([hidden]) {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 85;
    background: rgba(15, 23, 42, 0.42);
  }
  .factory-panel {
    position: fixed;
    inset: auto 0 0 0;
    width: auto;
    max-height: min(78dvh, 640px);
    z-index: 90;
    padding: 8px 16px calc(20px + env(safe-area-inset-bottom, 0px));
    border-radius: 16px 16px 0 0;
    -webkit-overflow-scrolling: touch;
  }
  .factory-panel__handle {
    display: block;
    width: 40px;
    height: 4px;
    margin: 4px auto 10px;
    border-radius: 999px;
    background: rgba(30, 42, 54, 0.18);
  }
  .factory-panel__img { max-height: 180px; object-fit: cover; }
  .factory-panel__actions .btn {
    flex: 1 1 auto;
    min-height: 44px;
    text-align: center;
  }
  body.factory-page .ai-chat { z-index: 70; }
  body.factory-sheet-open .ai-chat { display: none; }
}

@media (max-width: 480px) {
  .twin-kpis { gap: 6px; }
  .twin-kpis div { padding: 8px 10px; }
  .twin-flow li { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .factory-hint::after { content: " 动效已关闭。"; }
}
.factory-app.is-3d-failed .factory-list,
.twin.is-3d-failed .factory-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.twin.is-3d-failed .factory-list-wrap { display: block; padding: 8px 20px 32px; }
.twin.is-3d-failed .factory-canvas-wrap,
.twin.is-3d-failed .twin-modes { display: none; }