:root {
  color-scheme: dark;
  --bg: #05070a;
  --panel: #10151d;
  --panel-2: #151b24;
  --text: #f4f7fb;
  --muted: #aab4c0;
  --line: #26313d;
  --green: #20c997;
  --cyan: #38bdf8;
  --warn: #fbbf24;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
}

a {
  color: inherit;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 10, 0.94);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.brand {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--text);
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}

.hero {
  max-width: 820px;
  padding: 24px 0 18px;
}

.eyebrow {
  color: var(--green);
  font-weight: 700;
  margin-bottom: 12px;
}

h1 {
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.12;
  margin: 0 0 18px;
  letter-spacing: 0;
}

h2 {
  font-size: 26px;
  margin: 42px 0 16px;
  letter-spacing: 0;
}

h3 {
  font-size: 19px;
  margin: 24px 0 10px;
}

p {
  color: var(--muted);
  margin: 0 0 14px;
}

.lead {
  font-size: 18px;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0 10px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 7px;
  text-decoration: none;
  font-weight: 700;
  background: var(--green);
  color: #03110c;
}

.button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 18px;
}

.card p,
li {
  color: var(--muted);
}

.notice {
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: 7px;
  padding: 16px 18px;
  color: #f6e6b8;
  margin: 22px 0;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 7px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  background: var(--panel-2);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 20px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 720px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

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