:root {
  color-scheme: light;
  --bg: #f6f3ea;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: #ffffff;
  --line: rgba(28, 47, 84, 0.12);
  --text: #20314f;
  --muted: #5f6f8c;
  --brand: #1f3b73;
  --brand-soft: #edf3ff;
  --warn: #fff4d7;
  --warn-text: #805100;
  --shadow: 0 16px 48px rgba(20, 33, 57, 0.1);
  --radius-xl: 28px;
  --radius-lg: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(239, 125, 40, 0.14), transparent 24%),
    linear-gradient(180deg, #fff9ef 0%, #f6f3ea 44%, #eef3fb 100%);
  font:
    16px/1.75 "PingFang SC",
    "Microsoft YaHei",
    "Noto Sans SC",
    sans-serif;
}

a {
  color: inherit;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding:
    max(20px, env(safe-area-inset-top)) 0
    max(56px, env(safe-area-inset-bottom));
}

.hero {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  color: #fff9f1;
  background:
    linear-gradient(135deg, rgba(27, 45, 79, 0.97), rgba(36, 66, 121, 0.94)),
    #20314f;
  box-shadow: var(--shadow);
}

.back-link,
.quick-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: inherit;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.back-link {
  margin-bottom: 18px;
}

.brand {
  display: grid;
  gap: 14px;
}

.eyebrow {
  margin: 0;
  color: rgba(255, 242, 222, 0.78);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.08;
}

.lead {
  max-width: 820px;
  margin: 0;
  color: rgba(255, 248, 238, 0.9);
  text-wrap: pretty;
}

.hero-links,
.meta-grid,
.content,
.card-grid,
.contact-grid {
  display: grid;
  gap: 14px;
}

.hero-links {
  grid-template-columns: repeat(auto-fit, minmax(220px, max-content));
  margin-top: 20px;
}

.meta-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 22px;
}

.meta-card,
.panel,
.card-link,
.contact-card,
.toc {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: 0 10px 26px rgba(19, 29, 49, 0.06);
}

.meta-card {
  padding: 16px;
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
}

.meta-label,
.contact-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

.meta-card .meta-label {
  color: rgba(255, 243, 225, 0.74);
}

.content {
  margin-top: 22px;
}

.panel {
  padding: 24px;
}

.notice {
  background:
    linear-gradient(180deg, rgba(255, 243, 208, 0.96), rgba(255, 249, 234, 0.98)),
    #fff8e8;
}

.panel h2,
.panel h3,
.card-link h2 {
  margin: 0 0 14px;
  color: var(--brand);
  line-height: 1.25;
  text-wrap: balance;
}

.panel h2,
.card-link h2 {
  font-size: 24px;
}

.panel h3 {
  font-size: 19px;
}

.panel ul,
.panel ol {
  margin: 0;
  padding-left: 22px;
}

.panel p + p,
.panel p + ul,
.panel ul + p,
.panel ol + p {
  margin-top: 12px;
}

.layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 20px;
  margin-top: 22px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 18px;
  padding: 18px;
}

.toc-title {
  margin: 0 0 8px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
}

.toc a {
  display: block;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 14px;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--panel-strong);
  border-radius: 18px;
  overflow: hidden;
}

th,
td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(32, 49, 79, 0.08);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f3f7ff;
  color: var(--brand);
  font-weight: 800;
}

tr:last-child td {
  border-bottom: 0;
}

.card-grid,
.contact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-link,
.contact-card {
  display: block;
  padding: 22px;
  text-decoration: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(244, 247, 252, 0.9));
}

.card-link p,
.contact-card strong,
.contact-card span,
.panel p,
.panel li,
td,
th {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.todo {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--warn);
  color: var(--warn-text);
  font-size: 12px;
  font-weight: 700;
}

code {
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(31, 59, 115, 0.08);
  font-family:
    Consolas,
    "SFMono-Regular",
    monospace;
  font-size: 0.92em;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.footer-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

@media (max-width: 960px) {
  .meta-grid,
  .card-grid,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 1180px);
    padding:
      max(14px, env(safe-area-inset-top)) 0
      max(28px, env(safe-area-inset-bottom));
  }

  .hero,
  .panel {
    padding: 18px;
  }

  .hero {
    border-radius: 22px;
  }

  .hero h1 {
    font-size: clamp(26px, 9vw, 36px);
    line-height: 1.14;
  }

  .lead {
    font-size: 15px;
    line-height: 1.7;
  }

  .meta-grid,
  .hero-links,
  .card-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .back-link,
  .quick-link {
    width: 100%;
    min-height: 46px;
  }

  .meta-card,
  .card-link,
  .contact-card {
    padding: 18px;
  }

  .panel h2,
  .card-link h2 {
    font-size: 21px;
  }

  .panel h3 {
    font-size: 17px;
  }

  .toc {
    padding: 14px;
  }

  .toc a {
    margin-top: 8px;
    padding: 11px 12px;
    font-size: 13px;
  }

  .table-wrap {
    margin-left: -4px;
    margin-right: -4px;
    padding-bottom: 4px;
  }

  table {
    min-width: 560px;
  }

  th,
  td {
    padding: 12px;
    font-size: 14px;
  }

  .footer-note {
    padding: 0 6px;
    font-size: 13px;
  }
}

@media (max-width: 420px) {
  .shell {
    width: min(100% - 16px, 1180px);
  }

  .hero,
  .panel,
  .meta-card,
  .card-link,
  .contact-card,
  .toc {
    padding: 16px;
    border-radius: 18px;
  }

  .hero-links,
  .meta-grid,
  .content,
  .layout {
    gap: 12px;
  }

  .panel ul,
  .panel ol {
    padding-left: 18px;
  }

  table {
    min-width: 520px;
  }
}