:root {
  --ink: #172033;
  --muted: #667085;
  --paper: #f4f6f9;
  --card: #ffffff;
  --line: #dfe4ec;
  --navy: #0e1b33;
  --blue: #246bfe;
  --cyan: #0aa6a6;
  --orange: #f0783c;
  --red: #d83b45;
  --green: #138a5b;
  --radius: 18px;
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--ink); background: var(--paper);
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif; line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
.wrap { width: min(calc(100% - 32px), var(--max)); margin-inline: auto; }
.skip { position: fixed; top: -60px; left: 12px; z-index: 99; padding: 8px 12px; background: #fff; }
.skip:focus { top: 12px; }
.topbar { position: sticky; top: 0; z-index: 30; color: #fff; background: rgba(14,27,51,.96); border-bottom: 1px solid rgba(255,255,255,.12); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.navlinks { display: flex; align-items: center; gap: 4px; }
.navlinks a { padding: 9px 12px; color: #c9d2e3; border-radius: 9px; font-size: .92rem; }
.navlinks a:hover, .navlinks a[aria-current="page"] { color: #fff; background: rgba(255,255,255,.09); }
.navlinks .download { color: #fff; background: var(--blue); font-weight: 750; }
.menu { display: none; padding: 7px 10px; color: #fff; border: 1px solid rgba(255,255,255,.2); border-radius: 8px; background: transparent; }
.hero { padding: 76px 0 58px; color: #fff; background: var(--navy); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 46px; align-items: center; }
.badge { display: inline-flex; padding: 6px 11px; color: #92e6dd; border: 1px solid rgba(146,230,221,.35); border-radius: 999px; font-size: .8rem; font-weight: 800; }
h1, h2, h3 { margin: 0; line-height: 1.22; letter-spacing: -.025em; }
h1 { margin-top: 18px; font-size: clamp(2.6rem, 5vw, 4.9rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.08rem; }
.lead { margin: 20px 0 0; max-width: 700px; color: #bac6d9; font-size: 1.06rem; }
.actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 27px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 17px; border: 1px solid var(--line); border-radius: 11px; background: #fff; font-weight: 800; }
.btn.primary { color: #fff; border-color: var(--blue); background: var(--blue); }
.btn.dark { color: #fff; border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.07); }
.btn.small { min-height: 38px; padding: 7px 12px; font-size: .86rem; }
.terminal { padding: 18px; border: 1px solid rgba(255,255,255,.16); border-radius: 20px; background: #091326; box-shadow: 0 22px 60px rgba(0,0,0,.25); }
.terminal-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 12px; color: #95a5bd; font: .78rem Consolas, monospace; }
.lights { display: flex; gap: 6px; }
.lights i { width: 8px; height: 8px; border-radius: 50%; background: #53617a; }
.log { display: grid; gap: 9px; padding: 18px; border-radius: 12px; background: #050b16; font: .82rem/1.55 Consolas, monospace; }
.log span { color: #7f91ac; }
.log .error { color: #ff8c94; }
.log .ok { color: #63d7aa; }
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 28px; }
.stat { padding: 13px 0; border-top: 1px solid rgba(255,255,255,.16); }
.stat strong { display: block; }
.stat span { color: #9cabc0; font-size: .8rem; }
.search-zone { margin-top: -28px; position: relative; z-index: 2; }
.search-panel { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 14px 35px rgba(14,27,51,.1); }
.search-box { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.search-box input { width: 100%; min-height: 48px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 11px; outline: none; }
.search-box input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(36,107,254,.12); }
.hot { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.hot button { padding: 6px 10px; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; background: #f8fafc; cursor: pointer; font-size: .8rem; }
section { padding: 72px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-head p { max-width: 580px; margin: 0; color: var(--muted); }
.label { display: block; margin-bottom: 7px; color: var(--blue); font-size: .78rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.issue-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; }
.issue { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.issue-code { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 17px; }
.code { padding: 4px 8px; color: var(--red); border-radius: 7px; background: #fff0f1; font: 700 .78rem Consolas, monospace; }
.level { color: var(--muted); font-size: .75rem; }
.issue p, .card p, .platform p { margin: 8px 0 0; color: var(--muted); font-size: .91rem; }
.issue .link { display: inline-block; margin-top: 14px; color: var(--blue); font-weight: 750; font-size: .87rem; }
.hidden { display: none !important; }
.four { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.card, .platform { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.icon { width: 40px; height: 40px; display: grid; place-items: center; margin-bottom: 18px; color: #fff; border-radius: 11px; background: var(--navy); font-weight: 900; }
.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.media { padding: 10px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.media img { width: 100%; border-radius: 14px; }
.logo-media { min-height: 340px; display: grid; place-items: center; background: var(--navy); }
.logo-media img { width: min(60%,300px); }
.steps { display: grid; gap: 11px; margin-top: 22px; }
.step { display: grid; grid-template-columns: 34px 1fr; gap: 12px; }
.step b { width: 30px; height: 30px; display: grid; place-items: center; color: #fff; border-radius: 9px; background: var(--blue); }
.step p { margin: 2px 0 0; color: var(--muted); }
.platform small { color: var(--cyan); font-weight: 850; }
.faq { display: grid; gap: 10px; max-width: 900px; margin: auto; }
details { border: 1px solid var(--line); border-radius: 13px; background: #fff; }
summary { padding: 17px 18px; cursor: pointer; font-weight: 800; }
details p { margin: 0; padding: 0 18px 18px; color: var(--muted); }
.page-hero { padding: 60px 0 34px; color: #fff; background: var(--navy); }
.page-hero h1 { font-size: clamp(2.35rem,4.5vw,4.1rem); }
.crumb { margin-bottom: 20px; color: #9fb0c8; font-size: .84rem; }
.crumb a { color: #8bb2ff; }
.download-list { display: grid; gap: 12px; }
.download-row { display: grid; grid-template-columns: 1.2fr .65fr .65fr auto; gap: 14px; align-items: center; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.download-row span { color: var(--muted); font-size: .86rem; }
.callout { padding: 17px 19px; border-left: 4px solid var(--orange); border-radius: 0 12px 12px 0; background: #fff7ef; color: #7b4b2c; }
.article { max-width: 860px; }
.article h2 { margin-top: 50px; }
.article h3 { margin-top: 30px; }
.article p, .article li { color: var(--muted); }
pre { overflow: auto; padding: 16px; color: #c7d6eb; border-radius: 12px; background: #091326; font: .84rem/1.65 Consolas, monospace; }
.keywords { display: flex; flex-wrap: wrap; gap: 8px; }
.keywords span { padding: 7px 10px; color: var(--muted); border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: .82rem; }
.footer { padding: 52px 0 22px; color: #d5ddeb; background: var(--navy); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 30px; }
.footer h3 { font-size: .94rem; }
.footer-links { display: grid; gap: 8px; margin-top: 11px; }
.footer-links a, .footer p { color: #95a5bd; font-size: .84rem; }
.copyright { display: flex; justify-content: space-between; gap: 18px; margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #7f91ac; font-size: .78rem; }
@media (max-width: 900px) {
  .hero-grid, .detail { grid-template-columns: 1fr; }
  .terminal { order: -1; }
  .issue-grid { grid-template-columns: repeat(2,1fr); }
  .four { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .navlinks { display: none; position: absolute; top: 66px; left: 16px; right: 16px; padding: 10px; flex-direction: column; align-items: stretch; background: var(--navy); border: 1px solid rgba(255,255,255,.15); border-radius: 12px; }
  .navlinks.open { display: flex; }
  .menu { display: block; }
  .download-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .issue-grid, .four, .footer-grid, .stats, .download-row { grid-template-columns: 1fr; }
  .section-head { align-items: start; flex-direction: column; }
  .search-box { grid-template-columns: 1fr; }
  section { padding: 55px 0; }
  .copyright { flex-direction: column; }
}