:root {
  --public-background: #f4f7fa;
  --public-foreground: #081628;
  --public-surface: #ffffff;
  --public-primary: #d20d18;
  --public-primary-hover: #b80b14;
  --public-primary-active: #980a12;
  --public-primary-soft: #fff0f1;
  --public-muted: #eef2f6;
  --public-muted-foreground: #5c6877;
  --public-border: #d7dfe8;
  --public-border-strong: #bbc7d3;
  --public-confirm: #2aa79d;
  --public-prototype-stage: #071321;
  --public-ring: rgba(210, 13, 24, 0.32);
  --public-e1: 0 2px 8px rgba(8, 22, 40, 0.05);
  --public-e2: 0 12px 36px rgba(8, 22, 40, 0.08);
  --public-e3: 0 24px 64px rgba(8, 22, 40, 0.12);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body.public-prototype-page {
  min-width: 320px;
  margin: 0;
  padding: 0 !important;
  color: var(--public-foreground);
  background: var(--public-background);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

.public-prototype-page :where(a, button, summary, input, textarea, select):focus-visible {
  outline: 2px solid var(--public-primary);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px var(--public-ring);
}

.public-site-frame {
  width: min(1440px, calc(100% - 48px));
  min-height: calc(100vh - 48px);
  margin: 24px auto;
  overflow: clip;
  border: 1px solid var(--public-border);
  border-radius: 20px;
  background: var(--public-surface);
  box-shadow: var(--public-e3);
}

.public-shell-header {
  position: relative;
  z-index: 1000;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--public-border);
  background: rgba(255, 255, 255, 0.96);
}

.public-shell-identity,
.public-shell-brand,
.public-shell-breadcrumb,
.public-prototype-status,
.public-shell-status-copy {
  display: flex;
  align-items: center;
}

.public-shell-identity {
  min-width: 0;
  gap: 14px;
}

.public-shell-brand {
  flex: 0 0 auto;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.public-shell-seal {
  display: block;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: 9px;
  box-shadow: 0 8px 20px rgba(210, 13, 24, 0.18);
  object-fit: cover;
}

.public-shell-brand-copy {
  display: grid;
  gap: 1px;
}

.public-shell-brand-copy strong {
  font-size: 16px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.public-shell-brand-copy small {
  color: var(--public-muted-foreground);
  font-size: 10px;
  font-weight: 500;
  line-height: 1.25;
}

.public-shell-divider {
  width: 1px;
  height: 24px;
  flex: 0 0 auto;
  background: var(--public-border);
}

.public-shell-context {
  min-width: 0;
  overflow: hidden;
  color: var(--public-foreground);
  font-size: 14px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.public-shell-badge {
  display: inline-flex;
  min-height: 24px;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  border: 1px solid #f2c8cb;
  border-radius: 999px;
  color: var(--public-primary);
  background: var(--public-surface);
  font-size: 12px;
  font-weight: 650;
  line-height: 18px;
}

.public-shell-badge::before,
.public-status-primary::before {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--public-primary);
  content: "";
}

.public-shell-breadcrumb {
  width: min(calc(100% - 48px), 1280px);
  min-height: 38px;
  min-width: 0;
  justify-content: flex-start;
  gap: 8px;
  margin: 0 auto;
  padding-top: 10px;
  color: var(--public-muted-foreground);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
}

.public-shell-breadcrumb a {
  color: var(--public-muted-foreground);
  text-decoration: none;
  text-underline-offset: 4px;
  transition: color 160ms ease;
}

.public-shell-breadcrumb a:hover {
  color: var(--public-primary);
  text-decoration: underline;
}

.public-breadcrumb-separator {
  color: var(--public-border-strong);
  font-weight: 450;
}

.public-breadcrumb-current {
  overflow: hidden;
  color: var(--public-foreground);
  font-weight: 700;
  text-overflow: ellipsis;
}

.public-shell-breadcrumb a,
.public-breadcrumb-separator,
.public-breadcrumb-current {
  display: inline-flex;
  align-items: center;
}

.public-prototype-status {
  min-height: 42px;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 24px;
  border-bottom: 1px solid var(--public-border);
  color: var(--public-muted-foreground);
  background: var(--public-primary-soft);
  font-size: 12px;
  line-height: 1.5;
}

.public-shell-status-copy {
  min-width: 0;
  gap: 12px;
}

.public-status-primary {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  color: var(--public-primary);
  font-weight: 700;
}

.public-status-separator {
  width: 1px;
  height: 16px;
  flex: 0 0 auto;
  background: #edcfd2;
}

.public-page-surface {
  color: var(--public-foreground);
  background: var(--public-surface);
}

.public-page-section {
  width: min(1280px, calc(100% - 64px));
  margin-right: auto;
  margin-left: auto;
}

.public-stage-surface {
  overflow: clip;
  border: 1px solid #17283b;
  border-radius: 20px;
  background: var(--public-prototype-stage);
  box-shadow: var(--public-e3);
}

.public-card-surface {
  border: 1px solid var(--public-border);
  border-radius: 14px;
  background: var(--public-surface);
  box-shadow: var(--public-e1);
}

.public-shell-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 24px;
  border-top: 1px solid var(--public-border);
  color: var(--public-muted-foreground);
  background: var(--public-surface);
}

.public-shell-footer-copy {
  display: grid;
  gap: 3px;
  font-size: 11px;
  line-height: 1.5;
}

.public-shell-footer-copy strong {
  color: var(--public-foreground);
  font-size: 12px;
}

.public-kicker {
  color: var(--public-primary);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mobile-prototype-toolbar {
  display: none;
}

@media (max-width: 860px) {
  .public-site-frame {
    width: calc(100% - 24px);
    min-height: calc(100vh - 24px);
    margin: 12px auto;
    border-radius: 16px;
  }

  .public-shell-header {
    min-height: 56px;
    align-items: center;
    padding: 10px 16px;
  }

  .public-shell-identity {
    min-height: 44px;
    flex-wrap: wrap;
    gap: 8px 10px;
  }

  .public-shell-brand-copy small,
  .public-shell-divider {
    display: none;
  }

  .public-shell-context {
    display: inline-flex;
    flex-basis: 100%;
    padding-left: 46px;
    font-size: 12px;
    line-height: 1.35;
    white-space: normal;
  }

  .public-shell-breadcrumb {
    width: calc(100% - 32px);
    overflow-x: auto;
    padding-top: 9px;
    font-size: 12px;
    scrollbar-width: none;
  }

  .public-shell-breadcrumb::-webkit-scrollbar {
    display: none;
  }

  .public-prototype-status {
    align-items: flex-start;
    padding: 8px 16px;
  }

  .public-shell-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px;
  }

  .public-shell-status-copy {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  .public-status-separator {
    display: none;
  }

  .public-page-section {
    width: min(100% - 32px, 1280px);
  }
}

@media (max-width: 560px) {
  .public-shell-header {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .public-shell-identity {
    width: 100%;
    flex: 1 1 100%;
  }

  .public-shell-seal {
    width: 34px;
    height: 34px;
  }

  .public-shell-badge {
    min-height: 22px;
    gap: 4px;
    padding: 1px 7px;
    font-size: 10px;
    line-height: 16px;
  }

  .public-shell-badge::before {
    width: 4px;
    height: 4px;
  }

  .public-shell-breadcrumb {
    gap: 4px;
    font-size: 11px;
  }

  .public-prototype-status {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    font-size: 11px;
  }
}

/*
 * 手机端直接运行原型：站点讲解层和设备模型只服务于桌面展示，
 * 在真实手机上让产品界面成为唯一滚动容器。
 */
@media (max-width: 620px) {
  body[data-mobile-prototype] {
    --mobile-prototype-toolbar-height: calc(44px + env(safe-area-inset-top));
    width: 100%;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    overscroll-behavior: none;
    background: #fff;
  }

  body[data-mobile-prototype] .mobile-prototype-toolbar {
    position: fixed;
    z-index: 2000;
    top: 0;
    right: 0;
    left: 0;
    display: flex;
    height: var(--mobile-prototype-toolbar-height);
    padding: env(safe-area-inset-top) 12px 0;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid rgba(8, 22, 40, 0.1);
    color: #263229;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 4px 16px rgba(8, 22, 40, 0.06);
    backdrop-filter: blur(14px);
  }

  body[data-mobile-prototype] .mobile-prototype-exit {
    display: inline-flex;
    min-height: 36px;
    align-items: center;
    padding: 0 4px;
    color: inherit;
    font-size: 12px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
  }

  body[data-mobile-prototype] .mobile-prototype-title {
    position: absolute;
    left: 50%;
    max-width: 110px;
    overflow: hidden;
    transform: translateX(-50%);
    color: var(--public-muted-foreground);
    font-size: 11px;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body[data-mobile-prototype] > .public-site-frame {
    position: fixed;
    inset: var(--mobile-prototype-toolbar-height) 0 0;
    width: 100%;
    height: auto;
    min-height: 0;
    margin: 0;
    overflow: hidden;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  body[data-mobile-prototype] :where(
    .public-shell-header,
    .public-shell-breadcrumb,
    .public-prototype-status,
    .public-shell-footer,
    .story,
    .floating,
    .floating-card
  ) {
    display: none !important;
  }

  body[data-mobile-prototype] :where(#app, .page, .layout, .visual) {
    width: 100% !important;
    height: 100% !important;
    min-height: 0 !important;
    margin: 0 !important;
  }

  body[data-mobile-prototype] :where(.page, .layout, .visual) {
    padding: 0 !important;
  }

  body[data-mobile-prototype] .layout {
    display: block !important;
    max-width: none !important;
  }

  body[data-mobile-prototype] .visual {
    display: block !important;
    overflow: hidden !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: #fff !important;
    box-shadow: none !important;
  }

  body[data-mobile-prototype] .phone {
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    overflow: hidden !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
  }

  body[data-mobile-prototype] .phone::before,
  body[data-mobile-prototype] :where(.phone-status, .statusbar) {
    display: none !important;
  }

  body[data-mobile-prototype] .phone-screen {
    height: 100% !important;
    min-height: 0 !important;
    border-radius: 0 !important;
  }

  body[data-mobile-prototype] :where(.screen-body, .screen) {
    height: calc(100% - 58px) !important;
    min-height: 0 !important;
  }

  body[data-mobile-prototype] .phone.has-app-tabs :where(.screen-body, .screen) {
    height: calc(100% - 116px) !important;
  }

  body[data-mobile-prototype] :where(.nav, .present-nav) {
    z-index: 2001 !important;
    top: calc(env(safe-area-inset-top) + 3px) !important;
    right: 8px !important;
    bottom: auto !important;
    left: auto !important;
    gap: 0 !important;
    padding: 0 !important;
    transform: none !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
  }

  body[data-mobile-prototype] :where(.nav, .present-nav) button {
    width: 38px !important;
    height: 38px !important;
    color: #263229 !important;
  }

  body[data-mobile-prototype] :where(.nav-label, .present-label) {
    display: none !important;
  }

  body[data-mobile-prototype] .prototype-switcher {
    min-width: calc(100vw - 16px);
    bottom: max(8px, env(safe-area-inset-bottom));
  }
}

@media (prefers-reduced-motion: reduce) {
  .public-prototype-page *,
  .public-prototype-page *::before,
  .public-prototype-page *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .public-site-frame {
    width: 100%;
    min-height: auto;
    margin: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .public-shell-breadcrumb {
    display: none;
  }
}