:root {
  color-scheme: light;
  --bg: #f6f7f8;
  --panel: #ffffff;
  --ink: #172026;
  --muted: #5f6b73;
  --line: #e5e8eb;
  --accent: #0f766e;
  --soft: #e8f3f1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Segoe UI", sans-serif;
}

a { color: inherit; text-decoration: none; }

.page {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 60px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 34px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px;
}

.nav a {
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav a[aria-current="page"],
.nav a:hover {
  background: var(--soft);
  color: #0b5f59;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 30px;
}

.heroPlain {
  display: block;
}

.label {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
}

h1 {
  max-width: 760px;
  margin: 0 0 14px;
  font-size: 42px;
  line-height: 1.16;
  letter-spacing: 0;
}

.lead {
  max-width: 700px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.notePanel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.notePanel strong {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 17px;
}

.notePanel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.sectionHead {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 28px 0 12px;
}

h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
}

.sectionHead p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.resourceList,
.guideList {
  display: grid;
  gap: 10px;
}

.resource {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 82px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.resource.available {
  border-color: #b9d8d4;
  background: #fbfdfc;
}

.resource h3,
.guideItem h2 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.35;
}

.resource p,
.guideItem p,
.plainList li {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 76px;
  min-height: 36px;
  border: 1px solid #a7d5ce;
  border-radius: 8px;
  background: var(--soft);
  color: #0b5f59;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.guideItem {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.plainList {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 18px 18px 18px 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.footer {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

@media (max-width: 760px) {
  .page { padding: 18px 0 34px; }

  .top {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 22px;
  }

  .nav {
    justify-content: flex-start;
    gap: 4px;
  }

  .nav a {
    padding: 7px 8px;
    font-size: 13px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 18px;
  }

  h1 {
    font-size: 28px;
    margin-bottom: 10px;
  }

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

  .notePanel {
    display: none;
  }

  .sectionHead {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
    margin: 20px 0 10px;
  }

  .resource {
    grid-template-columns: 1fr;
    gap: 10px;
    min-height: auto;
    padding: 14px;
  }

  .action {
    width: 100%;
  }

  .guideItem,
  .plainList {
    padding: 14px;
  }

  .plainList {
    padding-left: 32px;
  }
}