:root {
  --bg: #ffffff;
  --fg: #1f2430;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #2563eb;
  --accent-ink: #ffffff;
  --card: #f8fafc;
  --term-bg: #14161f;
  --term-fg: #d7dae4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1016;
    --fg: #e6e8ef;
    --muted: #9aa1b2;
    --line: #23283a;
    --accent: #6a9bff;
    --accent-ink: #0e1016;
    --card: #151926;
    --term-bg: #090b11;
    --term-fg: #cfd4e2;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1040px; margin: 0 auto; padding: 18px 20px;
}
.brand {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 700; font-size: 19px; color: var(--fg);
}
.brand:hover { text-decoration: none; }
.mark { width: 26px; height: 26px; color: var(--accent); }
.site-header nav a { margin-left: 22px; color: var(--fg); font-weight: 500; }
.site-header nav a:hover { color: var(--accent); }

main { max-width: 1040px; margin: 0 auto; padding: 0 20px 40px; }

.hero {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px;
  align-items: center; padding: 52px 0 34px;
}
.hero h1 { font-size: 2.5em; line-height: 1.15; margin: 0 0 .4em; letter-spacing: -0.02em; }
.hero-copy > p { font-size: 1.09em; color: var(--muted); margin: 0 0 1.4em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button {
  display: inline-block; padding: 10px 18px; border-radius: 8px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600;
  border: 1px solid var(--accent);
}
.button:hover { text-decoration: none; filter: brightness(1.08); }
.button.ghost { background: transparent; color: var(--accent); }

.terminal {
  background: var(--term-bg); border-radius: 12px; overflow: hidden;
  box-shadow: 0 12px 32px rgba(10, 14, 30, .25);
  border: 1px solid rgba(120, 130, 160, .18);
}
.terminal-bar { display: flex; gap: 7px; padding: 11px 14px; }
.terminal-bar span { width: 11px; height: 11px; border-radius: 50%; background: #3a4053; }
.terminal-bar span:first-child { background: #e0655f; }
.terminal-bar span:nth-child(2) { background: #e0b055; }
.terminal-bar span:nth-child(3) { background: #58b46c; }
.terminal pre {
  margin: 0; padding: 4px 18px 18px;
  font: 13px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--term-fg); overflow-x: auto;
}
.t-dim { color: #7c8398; }
.t-bold { font-weight: 700; color: #ffffff; }
.t-ok { color: #6fce85; }
.t-chg { color: #7fb3ff; }
.t-del { color: #ef8a84; }

.features {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  padding: 26px 0;
}
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 22px 22px 18px;
}
.card h2 { font-size: 1.12em; margin: 0 0 .5em; }
.card p { color: var(--muted); font-size: .95em; margin: 0 0 .9em; }
.card code {
  font: 0.92em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--line); padding: 1px 5px; border-radius: 4px;
}
.card a { font-size: .93em; font-weight: 500; }

.latest { padding: 26px 0 8px; border-top: 1px solid var(--line); }
.latest h2 { font-size: 1.25em; margin: 0 0 .8em; }
.latest ul { list-style: none; margin: 0 0 1em; padding: 0; }
.latest li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 9px 0; border-bottom: 1px solid var(--line);
}
.latest .date { color: var(--muted); font-size: .9em; white-space: nowrap; }
.latest > p { color: var(--muted); font-size: .95em; }

.site-footer { border-top: 1px solid var(--line); margin-top: 26px; }
.site-footer p {
  max-width: 1040px; margin: 0 auto; padding: 22px 20px 30px;
  color: var(--muted); font-size: .9em;
}

.notfound { text-align: center; padding: 90px 20px 60px; }
.notfound .mark { width: 64px; height: 64px; }
.notfound h1 { font-size: 2em; margin: .6em 0 .3em; }
.notfound p { color: var(--muted); }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 30px; gap: 30px; }
  .features { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2em; }
}