:root {
  --bg: #f6f8fb;
  --panel: rgba(255, 255, 255, 0.82);
  --card: rgba(255, 255, 255, 0.94);
  --text: #0f172a;
  --muted: #526071;
  --line: rgba(15, 23, 42, 0.10);
  --blue: #0077cc;
  --green: #087f5b;
  --yellow: #9a5a00;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 5%, rgba(125, 222, 255, 0.30), transparent 31rem),
    radial-gradient(circle at 92% 12%, rgba(190, 174, 255, 0.28), transparent 35rem),
    radial-gradient(circle at 74% 90%, rgba(255, 184, 209, 0.20), transparent 31rem),
    linear-gradient(180deg, #fbfdff 0%, #f4f7fb 54%, #f8f9fc 100%);
  color: var(--text);
}

.kai-briefing-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(248, 251, 255, 0.72);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.90),
    0 10px 32px rgba(43, 60, 88, 0.07);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  backdrop-filter: blur(24px) saturate(140%);
}

.kai-briefing-nav {
  width: min(1120px, calc(100% - 28px));
  min-height: 66px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.kai-briefing-brand,
.kai-briefing-back {
  color: #14213a;
  text-decoration: none;
}

.kai-briefing-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.kai-briefing-logo-window {
  position: relative;
  width: 112px;
  height: 40px;
  overflow: hidden;
  flex: none;
  border: 1px solid rgba(74, 102, 138, 0.14);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: 0 7px 20px rgba(48, 73, 105, 0.08);
}

.kai-briefing-logo-window img {
  position: absolute;
  left: 50%;
  top: 42%;
  width: 150%;
  height: auto;
  max-width: none;
  transform: translate(-50%, -50%);
}

.kai-briefing-brand-copy {
  display: grid;
  line-height: 1.15;
}

.kai-briefing-brand-copy strong {
  font-size: 14px;
}

.kai-briefing-brand-copy small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.kai-briefing-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kai-briefing-status {
  border: 1px solid rgba(154, 90, 0, 0.20);
  border-radius: 999px;
  background: rgba(255, 222, 150, 0.34);
  padding: 6px 10px;
  color: #7a4500;
  font-size: 11px;
  font-weight: 800;
}

.kai-briefing-back {
  border: 1px solid rgba(15, 23, 42, 0.10);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.94);
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 800;
}

.kai-briefing-back:hover,
.kai-briefing-back:focus-visible {
  border-color: rgba(0, 119, 204, 0.30);
  background: rgba(225, 244, 255, 0.86);
  color: #005a9c;
}

.container {
  padding-top: 34px;
  padding-bottom: 56px;
}

.hero,
.summary,
.kpi,
.card {
  border-color: rgba(15, 23, 42, 0.09);
  background: var(--card);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.98),
    0 18px 48px rgba(43, 60, 88, 0.09);
  color: var(--text);
}

.hero {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background:
    radial-gradient(circle at 8% 8%, rgba(89, 205, 246, 0.21), transparent 25rem),
    radial-gradient(circle at 92% 4%, rgba(161, 137, 245, 0.18), transparent 27rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(245, 249, 255, 0.64));
  -webkit-backdrop-filter: blur(26px) saturate(138%);
  backdrop-filter: blur(26px) saturate(138%);
}

.hero .badge {
  display: none;
}

.kpi .num {
  color: #087f8c;
}

.card {
  border-radius: 22px;
}

.thumb {
  background: linear-gradient(145deg, #eef8ff, #eef0fb);
  color: #246b9b;
}

.thumb img {
  background: #f5f7fa;
}

.why {
  border-color: rgba(154, 90, 0, 0.18);
  background: rgba(255, 224, 158, 0.28);
  color: #704000;
}

.link {
  color: #006ebd;
}

.link:hover,
.link:focus-visible {
  color: #004f89;
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 3px solid rgba(0, 119, 204, 0.58);
  outline-offset: 3px;
}

p {
  color: #334155;
}

.summary span,
.kpi .lbl,
.meta,
.note {
  color: var(--muted);
}

h2 {
  border-left-color: var(--blue);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .kai-briefing-header,
  .hero,
  .summary,
  .kpi,
  .card {
    background-color: #ffffff;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .kai-briefing-header,
  .hero,
  .summary,
  .kpi,
  .card {
    background: #ffffff;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  .kai-briefing-header,
  .hero,
  .summary,
  .kpi,
  .card,
  .kai-briefing-back {
    border-color: rgba(15, 23, 42, 0.42);
  }

  .kai-briefing-brand,
  .kai-briefing-back,
  .hero,
  .summary,
  .kpi,
  .card {
    color: #000000;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 760px) {
  .kai-briefing-nav {
    min-height: 60px;
  }

  .kai-briefing-brand-copy small {
    display: none;
  }

  .kai-briefing-status {
    padding: 5px 8px;
    color: transparent;
    font-size: 0;
    white-space: nowrap;
  }

  .kai-briefing-status::after {
    content: "已封存";
    color: #7a4500;
    font-size: 10px;
  }

  .kai-briefing-back {
    padding: 8px 10px;
  }

  .container {
    padding-top: 22px;
  }

  .hero {
    border-radius: 22px;
  }
}

@media (forced-colors: active) {
  .kai-briefing-header,
  .hero,
  .summary,
  .kpi,
  .card {
    border: 1px solid CanvasText;
    background: Canvas;
    color: CanvasText;
  }
}

@media print {
  html {
    color-scheme: light;
  }

  *,
  *::before,
  *::after {
    color: #111 !important;
    text-shadow: none !important;
  }

  body {
    background: #fff !important;
    color: #111;
  }

  .kai-briefing-header {
    position: static;
    border-color: #777 !important;
    background: #fff !important;
    box-shadow: none !important;
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    -webkit-filter: none !important;
    filter: none !important;
  }

  .hero,
  .summary,
  .kpi,
  .card {
    border-color: #777 !important;
    background: #fff !important;
    break-inside: avoid;
    box-shadow: none !important;
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    -webkit-filter: none !important;
    filter: none !important;
  }

  .thumb,
  .imglabel,
  .why {
    border-color: #777 !important;
    background: #fff !important;
  }

  a {
    color: #075985 !important;
    text-decoration: underline !important;
    text-underline-offset: 0.12em;
  }
}