:root {
  color-scheme: light;
  --page: #fffefa;
  --surface: #ffffff;
  --surface-soft: #fbf7ef;
  --ink: #1f241d;
  --muted: #696f62;
  --line: #e8dfd2;
  --green: #637a38;
  --green-deep: #435722;
  --orange: #bd562c;
  --orange-soft: #fff2e9;
  --shadow: 0 18px 44px rgba(67, 87, 34, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.72;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 0%, rgba(250, 226, 185, 0.34), transparent 30rem),
    linear-gradient(180deg, #fffefa 0%, #fcf8ef 100%);
}

a {
  color: var(--green-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-shell {
  width: min(100%, 1040px);
  margin: 0 auto;
  padding: 28px 22px 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 0 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  overflow: hidden;
  background: #f2dfb8;
  box-shadow: inset 0 -2px 0 rgba(67, 87, 34, 0.1);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 0.94rem;
}

.hero {
  display: grid;
  gap: 24px;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 0.95rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.28;
  letter-spacing: 0;
}

h1 {
  max-width: 14em;
  font-size: clamp(2.15rem, 6vw, 4.3rem);
  font-weight: 800;
}

.lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border: 1px solid #e7d8c5;
  border-radius: 999px;
  background: var(--surface-soft);
  color: #5b604f;
  font-size: 0.9rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.doc-card {
  min-height: 150px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 10px 24px rgba(67, 87, 34, 0.05);
}

.doc-card h2 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.doc-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.doc-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 28px;
  align-items: start;
}

.article {
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.article header {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 30px;
}

.article h1 {
  font-size: clamp(2rem, 6vw, 3.4rem);
}

.article h2 {
  margin-top: 34px;
  font-size: 1.38rem;
}

.article h3 {
  margin-top: 24px;
  font-size: 1.08rem;
}

.article p,
.article li {
  color: #343a30;
}

.article ul,
.article ol {
  padding-left: 1.35rem;
}

.article li + li {
  margin-top: 8px;
}

.article table {
  width: 100%;
  margin: 18px 0 26px;
  border-collapse: collapse;
  overflow-wrap: anywhere;
  font-size: 0.94rem;
}

.article th,
.article td {
  border: 1px solid var(--line);
  padding: 12px;
  text-align: left;
  vertical-align: top;
}

.article th {
  background: var(--surface-soft);
  color: var(--green-deep);
}

.notice {
  margin-top: 28px;
  padding: 16px 18px;
  border: 1px solid #efd1bc;
  border-radius: 14px;
  background: var(--orange-soft);
  color: #6d412a;
}

.version-list {
  display: grid;
  gap: 12px;
}

.version-row {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  overflow: hidden;
}

.version-row summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.version-row summary::-webkit-details-marker {
  display: none;
}

.version-row summary strong,
.version-row summary small {
  display: block;
}

.version-row summary strong {
  color: var(--ink);
  font-size: 1.34rem;
  line-height: 1.2;
}

.version-row summary small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.version-arrow {
  flex: 0 0 auto;
  color: var(--green);
  font-size: 2rem;
  line-height: 1;
  transition: transform 0.18s ease;
}

.version-row[open] .version-arrow {
  transform: rotate(90deg);
}

.version-detail {
  padding: 2px 18px 20px;
  border-top: 1px solid var(--line);
}

.version-detail h2 {
  margin-top: 22px;
  font-size: 1.1rem;
}

.side-card {
  position: sticky;
  top: 20px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
}

.side-card h2 {
  margin-bottom: 12px;
  font-size: 1rem;
}

.side-card a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.footer {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.footer p {
  margin: 6px 0;
}

code {
  padding: 0.12em 0.35em;
  border-radius: 6px;
  background: #f3eadb;
  color: var(--green-deep);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

@media (max-width: 760px) {
  .site-shell {
    padding: 18px 14px 42px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 20px;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero,
  .article {
    padding: 24px 20px;
    border-radius: 20px;
  }

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

  .doc-page {
    grid-template-columns: 1fr;
  }

  .side-card {
    position: static;
    order: -1;
  }

  .article table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}