:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --paper: #fffcf7;
  --ink: #1c1917;
  --muted: #57534e;
  --line: #e4dfd6;
  --accent: #1f4d3a;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

.wrap {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 64px;
  padding: 12px 0;
}

.brand {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}

.badge {
  margin: 0;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.hero,
.modules,
.status {
  padding: 48px 0 8px;
}

.kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.3;
  font-weight: 650;
}

h1 {
  font-size: clamp(28px, 5vw, 40px);
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 17px;
}

.lead,
.section-note,
.status-card p {
  color: var(--muted);
}

.lead {
  max-width: 40rem;
  margin: 16px 0 0;
  font-size: 17px;
}

.section-note {
  margin: 10px 0 0;
}

.module-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.module-list li {
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

.module-list p {
  margin: 8px 0 0;
  color: var(--muted);
}

.status {
  padding-bottom: 48px;
}

.status-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
}

.status-card p {
  margin: 10px 0 0;
}

.site-footer {
  padding: 24px 0 32px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.site-footer p + p {
  margin-top: 6px;
}

.site-footer a {
  color: inherit;
  text-underline-offset: 3px;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--accent);
}

@media (min-width: 720px) {
  .module-list {
    grid-template-columns: 1fr 1fr;
  }

  .module-list li:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 719px) {
  .header-inner {
    align-items: flex-start;
  }

  .hero,
  .modules,
  .status {
    padding-top: 32px;
  }
}