:root {
  color-scheme: dark;
  --bg: #080808;
  --panel: #111;
  --panel-2: #171717;
  --line: #292929;
  --text: #f6f2ea;
  --muted: #9d9a94;
  --accent: #d7ff43;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 80% 8%, rgba(215, 255, 67, .08), transparent 25rem),
    var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

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

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  gap: 28px;
}

.brand { display: flex; align-items: center; gap: 13px; }
.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 12px;
  background: #151515;
  border: 1px solid #3a3a3a;
  padding: 6px;
}
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid #3a3a3a;
  border-radius: 12px;
  background: #151515;
  font-size: 20px;
  font-weight: 800;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 17px; }
.brand small { margin-top: 4px; color: var(--muted); font-size: 9px; letter-spacing: .2em; }

.site-nav { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.site-nav a { padding: 9px 12px; border-radius: 999px; color: var(--muted); font-size: 12px; }
.site-nav a:hover { background: #141414; color: var(--text); }

.status { color: var(--muted); font-size: 13px; }
.status i {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(215, 255, 67, .65);
}

.hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 76px;
  padding: 70px 0;
}

.eyebrow { margin: 0 0 24px; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .22em; }
h1 { margin: 0; font-size: clamp(42px, 5vw, 72px); line-height: 1.08; letter-spacing: -.045em; }
h1 em { color: var(--accent); font-style: normal; }
.lead { max-width: 620px; margin: 28px 0 32px; color: #b7b4ad; font-size: 17px; line-height: 1.9; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.actions a { padding: 15px 22px; border-radius: 10px; font-size: 14px; font-weight: 800; }
.primary { background: var(--accent); color: #0a0a0a; }
.secondary { border: 1px solid #3a3a3a; background: #121212; }
.actions a:hover { transform: translateY(-1px); }
.download-note { margin-top: 17px; color: #73716c; font-size: 12px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.hero-badges span {
  padding: 8px 10px;
  border: 1px solid rgba(215, 255, 67, .22);
  border-radius: 999px;
  background: rgba(215, 255, 67, .07);
  color: #dffb79;
  font-size: 11px;
}

.product-card {
  padding: 18px;
  border: 1px solid #303030;
  border-radius: 22px;
  background: linear-gradient(145deg, #191919, #0c0c0c);
  box-shadow: 0 35px 90px rgba(0, 0, 0, .45);
}
.card-label { display: block; margin: 2px 0 15px 4px; color: var(--muted); font-size: 12px; }
.screen { overflow: hidden; aspect-ratio: 1.38; border: 1px solid #303030; border-radius: 13px; background: #0c0c0c; }
.screen-top { height: 32px; display: flex; align-items: center; gap: 5px; padding: 0 11px; background: #181818; }
.screen-top span { width: 6px; height: 6px; border-radius: 50%; background: #454545; }
.screen-body { height: calc(100% - 32px); display: grid; grid-template-columns: 15% 1fr 29%; }
.screen-nav { border-right: 1px solid #252525; background: #111; }
.screen-content { padding: 16px; }
.metric small { display: block; color: #797979; font-size: 8px; }
.metric strong { display: block; margin-top: 5px; font-size: 18px; }
.chart-bars {
  height: 64px;
  display: flex;
  align-items: end;
  gap: 7px;
  margin-top: 15px;
  padding: 8px;
  border: 1px solid #252525;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(215, 255, 67, .08), rgba(255, 255, 255, .02));
}
.chart-bars i {
  flex: 1;
  border-radius: 999px 999px 4px 4px;
  background: linear-gradient(180deg, var(--accent), #627414);
  box-shadow: 0 0 18px rgba(215, 255, 67, .22);
}
.chart-bars i:nth-child(1) { height: 38%; }
.chart-bars i:nth-child(2) { height: 72%; }
.chart-bars i:nth-child(3) { height: 54%; }
.chart-bars i:nth-child(4) { height: 90%; }
.chart-bars i:nth-child(5) { height: 63%; }
.items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 20px; }
.items i { aspect-ratio: 1; border: 1px solid #292929; border-radius: 8px; background: linear-gradient(145deg, #222, #151515); }
.screen-order { padding: 15px 12px; border-left: 1px solid #252525; background: #101010; }
.screen-order b { font-size: 9px; }
.screen-order span { display: block; height: 25px; margin-top: 10px; border-bottom: 1px solid #242424; }
.screen-order button { width: 100%; margin-top: 20px; padding: 10px 4px; border: 0; border-radius: 6px; background: var(--accent); color: #080808; font-size: 8px; font-weight: 900; }
.card-meta { display: flex; justify-content: space-between; gap: 12px; padding: 15px 4px 2px; color: #777; font-size: 10px; }

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.features article { min-height: 240px; padding: 34px 26px; border-right: 1px solid var(--line); }
.features article:last-child { border-right: 0; }
.features article > span { color: var(--accent); font-size: 10px; font-weight: 900; }
.features h2 { margin: 42px 0 14px; font-size: 18px; }
.features p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

.release {
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 80px;
  padding: 100px 0;
  border-bottom: 1px solid var(--line);
}
.release h2 { margin: 0; font-size: 36px; letter-spacing: -.04em; }
.release-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.release-list div { min-height: 150px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, #141414, #0d0d0d); }
.release-list b, .release-list span { display: block; }
.release-list b { font-size: 16px; }
.release-list span { margin-top: 14px; color: var(--muted); font-size: 13px; line-height: 1.8; }

.install { display: grid; grid-template-columns: .75fr 1.25fr; gap: 80px; padding: 110px 0; }
.install h2, .security h2 { margin: 0; font-size: 36px; letter-spacing: -.04em; }
.install ol { margin: 0; padding: 0; list-style: none; }
.install li { display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 22px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; line-height: 1.7; }
.install li:last-child { border-bottom: 1px solid var(--line); }
.install li b { color: var(--accent); font-size: 12px; }
.install li strong { display: block; margin-bottom: 4px; color: var(--text); font-size: 16px; }

.security {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 80px;
  margin-bottom: 90px;
  padding: 50px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}
.security p:last-child { margin: 0; color: var(--muted); line-height: 2; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 30px 0 42px;
  border-top: 1px solid var(--line);
  color: #6e6c68;
  font-size: 11px;
}

.footer-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-meta a {
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.footer-meta a:hover,
.footer-meta a:focus-visible {
  color: var(--text);
  border-color: currentColor;
  outline: none;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .features article:nth-child(2) { border-right: 0; }
  .features article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .install, .security, .release { grid-template-columns: 1fr; gap: 42px; }
  .release-list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .site-header { height: 78px; }
  .status { display: none; }
  .site-nav { display: none; }
  .hero { min-height: auto; padding: 54px 0 70px; }
  h1 { font-size: 42px; }
  .lead { font-size: 15px; }
  .actions a { width: 100%; text-align: center; }
  .features { grid-template-columns: 1fr; }
  .features article { min-height: 190px; border-right: 0; border-bottom: 1px solid var(--line); }
  .features article:last-child { border-bottom: 0; }
  .features h2 { margin-top: 28px; }
  .install { padding: 74px 0; }
  .security { margin-bottom: 60px; padding: 28px; }
  footer { flex-direction: column; }
  .footer-meta { justify-content: flex-start; }
}