:root {
  color-scheme: dark;
  --bg: #080b10;
  --panel: #101722;
  --panel-2: #0d131d;
  --text: #f4f7fb;
  --muted: #a7b3c4;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #4ee1a0;
  --accent-2: #7cc7ff;
}

* {
  box-sizing: border-box;
}

html {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
  min-width: 320px;
}

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

main {
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 12%, rgba(78, 225, 160, 0.18), transparent 30%),
    radial-gradient(circle at 82% 8%, rgba(124, 199, 255, 0.14), transparent 28%),
    linear-gradient(180deg, #0b1018 0%, #080b10 58%);
}

.hero {
  min-height: 86vh;
  padding: 28px;
  border-bottom: 1px solid var(--line);
}

.nav {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.language-switch button {
  appearance: none;
  border: 0;
  border-radius: 6px;
  padding: 7px 10px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  line-height: 1;
}

.language-switch button.active {
  background: var(--accent);
  color: #07100c;
}

.github {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
}

.hero-grid {
  width: min(1120px, 100%);
  margin: 86px auto 0;
  display: grid;
  grid-template-columns: 1fr 0.88fr;
  gap: 48px;
  align-items: center;
}

.release-pill {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--muted);
  font-size: 13px;
}

.release-pill code {
  color: var(--accent);
  font-size: 12px;
  line-height: 1;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
.split h2 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(46px, 7vw, 86px);
  line-height: 0.96;
  letter-spacing: 0;
}

.subtitle {
  max-width: 720px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.6;
}

.subtitle.zh {
  font-size: 17px;
  color: #c8d2df;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  border-radius: 8px;
  padding: 13px 18px;
  font-weight: 800;
}

.primary {
  background: var(--accent);
  color: #07100c;
}

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

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.trust-row span {
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: #c8d2df;
  background: rgba(255, 255, 255, 0.035);
  font-size: 13px;
}

.terminal,
.install pre,
.split pre {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.terminal-bar p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.window-dots {
  display: flex;
  gap: 8px;
}

.window-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-2);
  opacity: 0.75;
}

pre {
  margin: 0;
  padding: 26px;
  overflow-x: auto;
}

code {
  color: #d6fbe9;
  font: 15px/1.8 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.tool-strip {
  width: min(1120px, calc(100% - 56px));
  margin: 0 auto;
  padding: 34px 0 10px;
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 24px;
  align-items: center;
}

.tool-strip p {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.tool-strip div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.tool-strip span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-size: 13px;
}

.features {
  width: min(1120px, calc(100% - 56px));
  margin: 0 auto;
  padding: 54px 0 36px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.features article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.035);
}

.features h2,
.install h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.features p,
.install p,
.section-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.section-copy {
  margin-top: 20px;
  max-width: 520px;
  font-size: 18px;
}

.split {
  width: min(1120px, calc(100% - 56px));
  margin: 0 auto;
  padding: 56px 0 72px;
  display: grid;
  grid-template-columns: 0.95fr 1fr;
  gap: 42px;
  align-items: center;
}

.split h2 {
  font-size: clamp(36px, 5vw, 64px);
}

.install {
  width: min(920px, calc(100% - 56px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 34px;
  align-items: center;
  padding: 0 0 88px;
}

.install pre {
  margin: 0;
}

@media (max-width: 860px) {
  .hero {
    padding: 22px;
  }

  .nav {
    align-items: flex-start;
  }

  .nav-links {
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero-grid,
  .features,
  .split,
  .tool-strip,
  .install {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    margin-top: 68px;
  }

  .features,
  .install,
  .split,
  .tool-strip {
    width: min(100% - 36px, 720px);
  }

  .tool-strip div {
    justify-content: flex-start;
  }

  .release-pill {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}