:root {
    --green:#00E884; --green-soft:#78FFC2; --gold:#E5C46A; --bg:#07110E;
    --panel:#0D1A16; --line:#1A382D; --line-hi:#2A5845; --tx:#F7FFFB; --tx2:#A1B1AA; --muted:#688077;
  }
  * { box-sizing:border-box }
  html { overflow-x:hidden; scroll-behavior:smooth }
  body { margin:0; overflow-x:hidden; color:var(--tx); background:
    radial-gradient(circle at 82% 4%,rgba(229,196,106,.10),transparent 27rem),
    linear-gradient(180deg,#07110E 0,#0A1713 52%,#0D1D18 100%);
    font-family:"Microsoft YaHei UI","Microsoft YaHei",system-ui,sans-serif; line-height:1.7 }
  body::before { content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.2; background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px); background-size:48px 48px }
  a { color:inherit }
  :focus-visible { outline:2px solid var(--gold); outline-offset:3px }
  .skip-link { position:fixed; left:12px; top:12px; z-index:20; padding:9px 12px; color:#04231A; background:var(--green); transform:translateY(-150%); text-decoration:none }
  .skip-link:focus { transform:none }
  .wrap { width:100%; max-width:1160px; margin:0 auto; padding:0 max(24px,env(safe-area-inset-right)) 66px max(24px,env(safe-area-inset-left)) }
  .wrap,.brand,.hero,.plan-grid,.plan,.faq-list,.faq-item { min-width:0 }
  .site-head { min-height:76px; display:flex; align-items:center; justify-content:space-between; gap:24px; border-bottom:1px solid rgba(42,88,69,.55) }
  .brand { display:flex; align-items:center; gap:10px; text-decoration:none; white-space:nowrap }
  .brand-logo { flex:0 0 auto; width:87px; height:40px; object-fit:contain }
  .brand small { color:var(--muted); font:10px Consolas,monospace; letter-spacing:.08em }
  nav { display:flex; align-items:center; gap:20px }
  nav a { color:var(--tx2); font-size:12px; text-decoration:none }
  nav a:hover,nav a[aria-current="page"] { color:var(--green) }
  .nav-toggle { display:none; flex:0 0 auto; flex-direction:column; align-items:center; justify-content:center; gap:5px; width:44px; height:44px; padding:0; border:1px solid var(--line-hi); background:transparent; cursor:pointer; touch-action:manipulation }
  .nav-toggle span { display:block; width:20px; height:2px; background:var(--tx2) }
  .site-head.nav-open .nav-toggle span:nth-child(1) { transform:translateY(7px) rotate(45deg) }
  .site-head.nav-open .nav-toggle span:nth-child(2) { opacity:0 }
  .site-head.nav-open .nav-toggle span:nth-child(3) { transform:translateY(-7px) rotate(-45deg) }
  .hero { display:grid; grid-template-columns:minmax(0,1.05fr) minmax(340px,.75fr); gap:46px; align-items:center; padding:82px 0 62px }
  .eyebrow,.section-kicker { color:var(--green); font:700 11px Consolas,monospace; letter-spacing:.18em }
  .eyebrow.gold,.section-kicker.gold { color:var(--gold) }
  h1 { margin:12px 0 17px; font-size:clamp(42px,6vw,68px); line-height:1.08; letter-spacing:-.04em }
  h1 span { color:var(--gold) }
  .lead { max-width:680px; margin:0; color:var(--tx2); font-size:17px }
  .hero-actions { display:flex; flex-wrap:wrap; gap:9px; margin-top:27px }
  .button { display:inline-flex; align-items:center; justify-content:center; min-height:48px; padding:10px 19px; border:1px solid var(--green); color:#04231A; background:var(--green); text-decoration:none; font-size:13px; font-weight:800 }
  .button.alt { color:var(--green); background:transparent; font-weight:600 }
  .button.gold { border-color:var(--gold); color:#1A1606; background:var(--gold) }
  .button:hover { color:#04231A; background:#56FFB6 }
  .button.gold:hover { color:#1A1606; background:#F2D98A }
  .status-panel { padding:23px; border:1px solid #665B31; background:linear-gradient(145deg,rgba(31,28,15,.96),rgba(10,18,15,.97)); box-shadow:0 24px 70px rgba(0,0,0,.28) }
  .status-panel > b { color:var(--gold); font:700 10px Consolas,monospace; letter-spacing:.12em }
  .status-panel ul { margin:15px 0 0; padding:0; list-style:none }
  .status-panel li { display:grid; grid-template-columns:28px minmax(0,1fr); gap:10px; padding:11px 0; border-top:1px solid var(--line); color:var(--tx2); font-size:12px }
  .status-panel li:first-child { border-top:0 }
  .status-panel span { color:var(--gold); font:700 10px Consolas,monospace }
  .status-panel li b { color:var(--tx) }
  .section { padding-top:70px; scroll-margin-top:24px }
  .section-head { display:grid; grid-template-columns:minmax(0,1fr) minmax(260px,.75fr); gap:30px; align-items:end; margin-bottom:22px }
  .section-head h2 { margin:7px 0 0; font-size:clamp(25px,3.4vw,39px); line-height:1.2 }
  .section-head p { margin:0; color:var(--tx2); font-size:13px }
  .plan-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; align-items:stretch }
  .plan { position:relative; display:flex; flex-direction:column; padding:26px 24px; border:1px solid var(--line); background:linear-gradient(145deg,rgba(16,31,26,.94),rgba(9,20,16,.95)) }
  .plan.featured { border-color:var(--gold); background:linear-gradient(145deg,rgba(31,28,15,.97),rgba(12,20,16,.98)); box-shadow:0 24px 70px rgba(0,0,0,.28) }
  .plan-tag { position:absolute; right:16px; top:-11px; padding:3px 9px; color:#1A1606; background:var(--gold); font:700 10px Consolas,monospace; letter-spacing:.1em }
  .plan-name { color:var(--tx2); font:700 11px Consolas,monospace; letter-spacing:.14em }
  .plan.featured .plan-name { color:var(--gold) }
  .plan-price { display:flex; align-items:baseline; gap:6px; margin:16px 0 4px }
  .plan-price b { color:var(--tx); font:700 44px/1 Consolas,monospace; font-variant-numeric:tabular-nums; letter-spacing:.04em }
  .plan-price span { color:var(--tx2); font-size:13px }
  .plan-sub { margin:0 0 18px; color:var(--muted); font-size:11px }
  .plan ul { flex:1; margin:0 0 20px; padding:0; list-style:none }
  .plan li { display:grid; grid-template-columns:16px minmax(0,1fr); gap:9px; padding:7px 0; border-top:1px solid var(--line); color:#B9CBC3; font-size:12px }
  .plan li:first-child { border-top:0 }
  .plan li::before { content:"✓"; color:var(--green); font:700 12px Consolas,monospace }
  .plan li.pro::before { color:var(--gold) }
  .plan .button { width:100%; min-height:46px }
  .plan-note { margin:12px 0 0; color:var(--muted); font-size:10px }
  .pricing-notice { margin:14px 0 0; padding:14px 17px; border-left:2px solid var(--gold); color:var(--tx2); background:#15150E; font-size:11px }
  .faq-list { display:grid; gap:8px }
  .faq-item { border:1px solid var(--line); background:rgba(7,17,14,.64) }
  .faq-item[open] { border-color:var(--line-hi) }
  .faq-item summary { display:grid; grid-template-columns:42px minmax(0,1fr); gap:12px; align-items:center; min-height:58px; padding:11px 16px; cursor:pointer; list-style:none }
  .faq-item summary::-webkit-details-marker { display:none }
  .faq-q { color:var(--gold); font:700 11px Consolas,monospace }
  .faq-item summary b { font-size:13px }
  .faq-answer { display:grid; grid-template-columns:42px minmax(0,1fr); gap:12px; padding:0 16px 16px }
  .faq-answer > b { color:var(--green); font:700 11px Consolas,monospace }
  .faq-answer p { margin:0; color:var(--tx2); font-size:12px }
  .faq-answer a { color:var(--green); text-underline-offset:3px }
  .boundary { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:26px; align-items:center; padding:24px 26px; border:1px solid #665B31; background:#15150E }
  .boundary h2 { margin:0 0 6px; color:var(--gold); font-size:18px }
  .boundary p { margin:0; color:var(--tx2); font-size:12px }
  footer { margin-top:66px; padding-top:22px; border-top:1px solid var(--line); color:#607D70; font:10px Consolas,monospace }
  .footer-row { display:flex; justify-content:space-between; gap:24px; align-items:flex-start }
  .footer-links { display:flex; flex-wrap:wrap; gap:16px }
  .footer-links a { color:var(--tx2); text-decoration:none }
  .footer-links a:hover { color:var(--green) }
  .footer-filing { margin-top:12px }
  .footer-filing a { color:#607D70; text-decoration:none }
  @media (max-width:900px) {
    .hero { grid-template-columns:1fr; gap:28px; padding-top:58px }
    .section-head { grid-template-columns:1fr; gap:10px }
    .plan-grid { grid-template-columns:repeat(2,minmax(0,1fr)) }
    .plan:last-child { grid-column:1/-1 }
    .site-head { position:relative }
    .nav-toggle { display:flex }
    #siteNav { position:absolute; left:0; right:0; top:100%; z-index:30; display:none; flex-direction:column; align-items:stretch; gap:0; padding:12px 16px; border:1px solid var(--line-hi); background:rgba(13,26,22,.98) }
    .site-head.nav-open #siteNav { display:flex }
    #siteNav a { display:inline-flex; align-items:center; min-height:44px; padding:0 4px; font-size:14px }
  }
  @media (max-width:600px) {
    .wrap { padding-right:max(14px,env(safe-area-inset-right)); padding-bottom:42px; padding-left:max(14px,env(safe-area-inset-left)) }
    .site-head { min-height:66px }
    .brand small { display:none }
    .hero { padding:44px 0 30px }
    h1 { font-size:clamp(38px,13vw,52px) }
    .lead { font-size:14px }
    .hero-actions { display:grid; grid-template-columns:1fr }
    .button { min-height:48px; touch-action:manipulation }
    .section { padding-top:52px }
    .plan,.status-panel { padding:20px 16px }
    .boundary { grid-template-columns:1fr; gap:16px; padding:20px 16px }
    .plan-grid { grid-template-columns:1fr }
    .plan:last-child { grid-column:auto }
    .footer-row { display:block }
    .footer-links { margin-top:12px }
    .status-panel > b,.status-panel span,.plan-tag,.plan-note { font-size:11px }
    footer { font-size:11px }
    .footer-links { gap:8px 12px }
    .footer-links a { display:inline-flex; align-items:center; min-height:44px; padding:0 4px }
  }