:root {
  --ink: #14211d;
  --muted: #66736e;
  --paper: #f4f1e9;
  --panel: rgba(255, 255, 255, 0.72);
  --line: rgba(20, 33, 29, 0.12);
  --green: #1b7f5c;
  --green-dark: #11523d;
  --lime: #c9f27a;
  --shadow: 0 28px 80px rgba(28, 49, 41, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.ambient { position: fixed; z-index: -1; border-radius: 999px; filter: blur(12px); opacity: .6; }
.ambient-one { width: 420px; height: 420px; top: -180px; right: -80px; background: rgba(201, 242, 122, .38); }
.ambient-two { width: 320px; height: 320px; left: -160px; top: 440px; background: rgba(55, 159, 119, .14); }

.site-header { height: 88px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 760; letter-spacing: -.02em; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; color: white; background: var(--ink); font-size: 13px; letter-spacing: -.03em; }
nav { display: flex; align-items: center; gap: 28px; color: var(--muted); font-size: 14px; }
nav a { padding-block: 7px; border-bottom: 1px solid transparent; }
nav a:hover, nav a.active { color: var(--ink); border-color: var(--ink); }
.status { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.5); }
.status i { width: 7px; height: 7px; border-radius: 50%; background: #c79a3c; box-shadow: 0 0 0 4px rgba(199,154,60,.12); }
.status.online i { background: #27966d; box-shadow: 0 0 0 4px rgba(39,150,109,.12); }

.hero { min-height: 620px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: center; padding-block: 72px 92px; }
.eyebrow { display: inline-block; color: var(--green); font-size: 12px; line-height: 1; font-weight: 800; letter-spacing: .16em; }
.hero h1, .guide-intro h1 { margin: 22px 0 26px; font-size: clamp(54px, 7.2vw, 94px); line-height: .94; letter-spacing: -.065em; font-weight: 760; }
.hero h1 em { color: var(--green); font-style: normal; }
.hero-lead { max-width: 610px; margin: 0; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.button { min-height: 52px; padding: 0 24px; display: inline-flex; align-items: center; justify-content: center; border-radius: 14px; font-weight: 700; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--ink); box-shadow: 0 16px 38px rgba(20,33,29,.18); }
.button-primary:hover { background: var(--green-dark); }
.button-secondary { border: 1px solid var(--line); background: rgba(255,255,255,.54); }
.button-light { color: var(--ink); background: var(--lime); white-space: nowrap; }
.microcopy { margin-top: 17px; color: #84908b; font-size: 12px; }

.product-card { border: 1px solid rgba(255,255,255,.72); border-radius: 26px; background: rgba(255,255,255,.7); backdrop-filter: blur(18px); box-shadow: var(--shadow); overflow: hidden; transform: rotate(1.2deg); }
.card-top { padding: 19px 20px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); font-size: 12px; font-weight: 700; }
.traffic { display: flex; gap: 6px; }
.traffic i { width: 8px; height: 8px; border-radius: 50%; background: #d8d8d2; }
.traffic i:first-child { background: #ff846f; }.traffic i:nth-child(2) { background: #f4cb58; }.traffic i:last-child { background: #65c88e; }
.shield { justify-self: end; padding: 5px 9px; color: var(--green); background: rgba(27,127,92,.08); border-radius: 999px; font-size: 10px; }
.card-body { padding: 18px; }
.step { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 14px; padding: 16px; margin: 7px 0; border: 1px solid transparent; border-radius: 16px; color: #8b9591; }
.step b { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; background: rgba(20,33,29,.05); font-size: 11px; }
.step span { display: flex; flex-direction: column; }
.step strong { color: var(--ink); font-size: 14px; }
.step small { font-size: 11px; }
.step > i { font-style: normal; font-size: 10px; }
.step.done > i { color: var(--green); }
.step.current { color: var(--muted); border-color: rgba(27,127,92,.2); background: rgba(201,242,122,.13); }
.step.current b { color: white; background: var(--green); }
.step.current > i { padding: 5px 9px; color: var(--green-dark); background: var(--lime); border-radius: 999px; font-weight: 800; }
.card-foot { padding: 14px 22px 20px; color: var(--muted); font-size: 10px; border-top: 1px solid var(--line); }
.card-foot span { display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: var(--green); }

.feature-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-strip article { padding: 42px 38px; }
.feature-strip article + article { border-left: 1px solid var(--line); }
.feature-strip article > span { color: var(--green); font: 800 11px/1 monospace; }
.feature-strip h2 { margin: 17px 0 9px; font-size: 19px; letter-spacing: -.025em; }
.feature-strip p { margin: 0; color: var(--muted); font-size: 14px; }

.download-panel { margin-top: 100px; padding: 58px 64px; display: flex; align-items: center; justify-content: space-between; gap: 36px; color: white; background: var(--green-dark); border-radius: 28px; box-shadow: var(--shadow); }
.download-panel .eyebrow { color: var(--lime); }
.download-panel h2 { margin: 10px 0 5px; font-size: 38px; letter-spacing: -.04em; }
.download-panel p { max-width: 660px; margin: 0; color: rgba(255,255,255,.68); }

footer { min-height: 150px; display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 12px; }

.guide { padding-block: 78px 100px; }
.guide-intro { max-width: 850px; margin-bottom: 84px; }
.guide-intro h1 { font-size: clamp(50px, 6vw, 78px); }
.guide-intro p { max-width: 600px; color: var(--muted); font-size: 17px; }
.guide-grid { display: grid; grid-template-columns: 220px 1fr; gap: 70px; align-items: start; }
.guide-nav { position: sticky; top: 32px; display: flex; flex-direction: column; gap: 12px; padding: 23px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.45); }
.guide-nav strong { margin-bottom: 8px; font-size: 12px; letter-spacing: .08em; }
.guide-nav a { color: var(--muted); font-size: 13px; }
.guide-nav a:hover { color: var(--green); }
.guide-content { max-width: 760px; }
.guide-step { display: grid; grid-template-columns: 52px 1fr; gap: 24px; padding: 10px 0 58px; margin-bottom: 48px; border-bottom: 1px solid var(--line); scroll-margin-top: 30px; }
.guide-number { width: 48px; height: 48px; display: grid; place-items: center; color: white; background: var(--ink); border-radius: 15px; font: 700 12px/1 monospace; }
.guide-step h2, .faq h2 { margin: 3px 0 15px; font-size: 28px; letter-spacing: -.035em; }
.guide-step p, .guide-step li, .faq p { color: var(--muted); }
.guide-step ul { padding-left: 20px; }
code { padding: 3px 7px; color: var(--green-dark); background: rgba(27,127,92,.08); border-radius: 6px; }
.text-link { color: var(--green); font-weight: 700; }
.notice { margin-top: 22px; padding: 16px 18px; display: flex; flex-direction: column; border-left: 3px solid var(--green); background: rgba(255,255,255,.55); border-radius: 0 12px 12px 0; }
.notice span { color: var(--muted); font-size: 13px; }
.faq { padding-top: 30px; scroll-margin-top: 30px; }
.faq h2 { margin: 14px 0 25px; font-size: 34px; }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { padding: 19px 4px; cursor: pointer; font-weight: 700; }
details p { margin: -5px 4px 20px; }

@media (max-width: 960px) {
  .hero { gap: 36px; padding-block: 58px 78px; }
  .hero h1, .guide-intro h1 { font-size: clamp(50px, 6vw, 72px); }
  .step { grid-template-columns: 38px 1fr auto; gap: 10px; padding: 13px 11px; }
  .step b { width: 34px; height: 34px; }
  .feature-strip article { padding-inline: 26px; }
}

@media (max-width: 700px) {
  nav .status { display: none; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 48px; }
  .product-card { max-width: 600px; transform: none; }
  .feature-strip { grid-template-columns: 1fr; }
  .feature-strip article + article { border-left: 0; border-top: 1px solid var(--line); }
  .download-panel { padding: 42px; align-items: flex-start; flex-direction: column; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-nav { display: none; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 28px, 1160px); }
  .site-header { height: 72px; }
  nav { gap: 15px; font-size: 13px; }
  .hero { padding-block: 48px 72px; }
  .hero h1, .guide-intro h1 { font-size: 52px; }
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .card-top { grid-template-columns: 1fr auto; }
  .traffic { display: none; }
  .feature-strip article { padding: 32px 22px; }
  .download-panel { margin-top: 70px; padding: 34px 25px; }
  .download-panel h2 { font-size: 31px; }
  footer { flex-direction: column; justify-content: center; gap: 8px; }
  .guide { padding-top: 48px; }
  .guide-intro { margin-bottom: 55px; }
  .guide-step { grid-template-columns: 1fr; gap: 18px; }
}

.release-panel{margin-top:34px;background:#fff;border:1px solid #dfe6e1;border-radius:18px;padding:28px 32px;display:grid;grid-template-columns:1fr 1.2fr;gap:38px;align-items:center}.release-panel h2{margin:5px 0 8px}.release-panel p{color:#697770;margin:0}.release-panel dl{margin:0;display:grid;gap:9px}.release-panel dl>div{display:grid;grid-template-columns:120px 1fr;gap:14px;padding:10px 0;border-bottom:1px solid #edf0ed}.release-panel dt{color:#718079}.release-panel dd{margin:0;font-weight:700;min-width:0}.release-panel code{display:block;overflow:hidden;text-overflow:ellipsis;font-size:11px}@media(max-width:700px){.release-panel{grid-template-columns:1fr;padding:22px;gap:18px}.release-panel dl>div{grid-template-columns:1fr}.release-panel code{white-space:normal;word-break:break-all}}