:root {
  color-scheme: light;
  --bg: #f7f6f2;
  --card: #fdfcf8;
  --line: #e0e3dc;
  --ink: #243633;
  --ink-strong: #1c2b2e;
  --muted: #737e79;
  --faint: #949b95;
  --primary: #147d72;
  --primary-dark: #0f655c;
  --primary-soft: #388f7626;
  --sidebar-bg: #1c2b2e;
  --sidebar-text: #c1d0c8;
  --danger: #a64235;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 15px;
  line-height: 1.7;
}

.wrap {
  width: min(880px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: 34px 0 42px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 30px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: #2c4542;
  color: #2aa78f;
  font-size: 20px;
  font-weight: 650;
}

.brand strong {
  display: block;
  color: #ecf4e9;
  font-size: 19px;
  letter-spacing: -0.3px;
}

.brand span {
  font-size: 12px;
  letter-spacing: 0.6px;
}

.hero h1 {
  margin: 0 0 10px;
  color: #eef4ef;
  font-size: clamp(24px, 4.5vw, 34px);
  font-weight: 600;
  letter-spacing: -0.5px;
}

.lead {
  margin: 0 0 26px;
  max-width: 620px;
  font-size: 15px;
}

.download-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  padding: 18px 20px;
  background: #263c3c;
  border: 1px solid #39574e;
  border-radius: 12px;
}

.download-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.version-badge {
  align-self: flex-start;
  padding: 2px 9px;
  border-radius: 999px;
  background: #2c4542;
  color: #76c6b2;
  font-size: 12px;
}

.file-name {
  color: #9fb5aa;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 26px;
  border-radius: 8px;
  background: #2aa78f;
  color: #10201f;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background 120ms ease;
}

.download-button:hover {
  background: #35b3a0;
}

.hero-note {
  margin: 14px 2px 0;
  color: #8ba39a;
  font-size: 12px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  padding: 30px 0 10px;
}

.card {
  padding: 20px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-strong);
}

.card ol,
.card ul {
  margin: 0;
  padding-left: 20px;
}

.card li + li {
  margin-top: 7px;
}

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

code {
  padding: 1px 6px;
  border-radius: 5px;
  background: #f0f1e9;
  font-size: 13px;
}

.text-link {
  color: var(--primary);
  font-weight: 550;
  text-decoration: none;
}

.text-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.muted {
  margin-top: 10px;
  color: var(--faint);
  font-size: 12px;
}

.card--quiet {
  background: #edf1e8;
  border-color: #dfe5d6;
  color: #607154;
}

.card--quiet h2 {
  color: #4c5b41;
}

.card--quiet p {
  margin: 0;
}

.footer {
  margin-top: 26px;
  padding: 20px 0 30px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 560px) {
  .download-card {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .download-info {
    align-items: center;
  }

  .version-badge {
    align-self: center;
  }
}