:root{
  --bg:#070B14;
  --panel:#0B1220;
  --panel2:#0F1930;
  --text:#EAF0FF;
  --muted:#A9B3CC;
  --border:rgba(255,255,255,.10);
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --brand1:#28C7FF;
  --brand2:#30E3CA;
  --brand3:#7C5CFF;
  --ring:rgba(40,199,255,.25);
  --max:1120px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(40,199,255,.18), transparent 60%),
    radial-gradient(900px 500px at 90% 10%, rgba(124,92,255,.14), transparent 55%),
    radial-gradient(900px 700px at 30% 100%, rgba(48,227,202,.10), transparent 55%),
    linear-gradient(180deg, var(--bg), #05070F 60%, #04060D);
  color:var(--text);
  line-height:1.55;
}

a{color:inherit; text-decoration:none}
a:hover{color:var(--brand1)}

.container{max-width:var(--max); margin:0 auto; padding:0 20px}

.skip{
  position:absolute; left:-999px; top:8px;
  background:var(--panel); border:1px solid var(--border);
  padding:10px 12px; border-radius:10px;
}
.skip:focus{left:12px; z-index:9999}

.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter:blur(10px);
  background:rgba(7,11,20,.65);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; gap:14px; padding:14px 0}

.brand{display:flex; align-items:center; gap:10px; min-width:0}
.brand-mark{display:block; width:28px; height:28px}
.brand-text{display:flex; flex-direction:column; min-width:0}
.brand-name{font-weight:700; letter-spacing:.2px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.brand-sub{color:var(--muted); font-size:12px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}

.site-nav{display:flex; align-items:center; gap:14px}
.nav-link{color:var(--muted); font-size:14px; padding:8px 8px; border-radius:10px}
.nav-link:hover{background:rgba(255,255,255,.06); color:var(--text)}
.nav-link.is-active{color:var(--text); background:rgba(40,199,255,.10); border:1px solid rgba(40,199,255,.20)}
.nav-cta{margin-left:6px; padding:9px 12px; border-radius:12px; font-weight:600; font-size:14px; border:1px solid rgba(40,199,255,.25); background:linear-gradient(90deg, rgba(40,199,255,.18), rgba(48,227,202,.12))}
.nav-cta:hover{box-shadow:0 0 0 6px var(--ring)}

.nav-toggle{display:none; background:transparent; border:1px solid var(--border); border-radius:12px; padding:10px; color:var(--text)}
.nav-toggle span{display:block; width:18px; height:2px; background:var(--text); margin:4px 0; border-radius:2px}

.hero{padding:62px 0 26px; border-bottom:1px solid rgba(255,255,255,.06)}
.hero-grid{display:grid; grid-template-columns: 1.25fr .85fr; gap:28px; align-items:start}
.badge{display:inline-flex; gap:8px; padding:6px 10px; border-radius:999px; border:1px solid rgba(255,255,255,.10); background:rgba(255,255,255,.04); color:var(--muted); font-size:12px}
.hero-title{margin:14px 0 10px; font-size:44px; line-height:1.12; letter-spacing:-.2px}
.hero-sub{margin:0 0 18px; color:var(--muted); font-size:16px; max-width:58ch}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin:14px 0 18px}
.hero-stats{display:flex; gap:12px; flex-wrap:wrap}
.stat{padding:10px 12px; border-radius:14px; border:1px solid var(--border); background:rgba(255,255,255,.03)}
.stat-num{font-weight:800; font-size:18px}
.stat-label{color:var(--muted); font-size:12px}

.hero-panel{border-radius:18px; border:1px solid rgba(255,255,255,.10); background:linear-gradient(180deg, rgba(11,18,32,.90), rgba(11,18,32,.65)); box-shadow:var(--shadow); padding:18px}
.panel-title{font-weight:700; margin:0 0 10px}
.panel-grid{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:10px}
.chip{padding:10px 12px; border-radius:14px; border:1px solid rgba(255,255,255,.10); background:rgba(255,255,255,.04); color:var(--muted); font-size:13px}
.panel-foot{margin-top:12px}

.section{padding:42px 0}
.kicker{color:var(--brand1); text-transform:uppercase; letter-spacing:.14em; font-weight:700; font-size:12px; margin-bottom:10px}
.h1{margin:0 0 10px; font-size:36px; line-height:1.15}
.h2{margin:0 0 10px; font-size:24px}
.h3{margin:22px 0 10px; font-size:18px}
.lead{margin:0 0 18px; color:var(--muted); font-size:16px; max-width:72ch}
.p{margin:0 0 10px; color:var(--muted)}
.muted{color:var(--muted)}

.section-head{display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom:12px}

.grid{display:grid; gap:14px}
.grid.cards{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid.tiles{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid.two{grid-template-columns:repeat(2, minmax(0,1fr))}

.card{
  display:block;
  border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(180deg, rgba(15,25,48,.60), rgba(11,18,32,.60));
  box-shadow:0 10px 30px rgba(0,0,0,.22);
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
}
.card:hover{transform:translateY(-2px); border-color:rgba(40,199,255,.25); background:linear-gradient(180deg, rgba(15,25,48,.80), rgba(11,18,32,.70))}
.card-title{font-weight:750; padding:16px 16px 0}
.card-kicker{color:var(--muted); font-size:12px; padding:16px 16px 0}
.card-body{padding:10px 16px 16px; color:var(--muted)}
.card-foot{padding:0 16px 16px; color:var(--brand1); font-weight:650}

.tile{border-radius:18px; border:1px solid rgba(255,255,255,.10); background:rgba(255,255,255,.03); padding:16px; transition:border-color .2s ease, transform .2s ease}
.tile:hover{transform:translateY(-2px); border-color:rgba(48,227,202,.25)}
.tile-title{font-weight:750; margin-bottom:6px}
.tile-desc{color:var(--muted); font-size:13px}

.panel{
  border-radius:18px;
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(180deg, rgba(11,18,32,.82), rgba(11,18,32,.55));
  padding:18px;
}

.bullets{margin:10px 0 0 18px; color:var(--muted)}
.bullets li{margin:6px 0}
.bullets.compact li{margin:4px 0}

.steps{margin:10px 0 0 18px; color:var(--muted)}
.steps li{margin:8px 0}

.table-wrap{overflow:auto; border-radius:16px; border:1px solid rgba(255,255,255,.10); background:rgba(255,255,255,.03)}
.table{width:100%; border-collapse:collapse; min-width:520px}
.table th,.table td{padding:12px 14px; border-bottom:1px solid rgba(255,255,255,.08); vertical-align:top}
.table th{color:var(--text); font-weight:700; width:220px}
.table td{color:var(--muted)}

.faq{display:grid; gap:10px}
.faq-item{border:1px solid rgba(255,255,255,.10); border-radius:16px; background:rgba(255,255,255,.03); padding:12px 14px}
.faq-item summary{cursor:pointer; font-weight:700; color:var(--text)}
.faq-item[open]{border-color:rgba(40,199,255,.22); box-shadow:0 0 0 6px var(--ring)}
.faq-item summary::-webkit-details-marker{display:none}

.filters{display:flex; gap:10px; flex-wrap:wrap; margin:14px 0 18px}
.filter{cursor:pointer; padding:9px 12px; border-radius:999px; border:1px solid rgba(255,255,255,.12); background:rgba(255,255,255,.03); color:var(--muted)}
.filter.is-active{color:var(--text); border-color:rgba(40,199,255,.25); background:rgba(40,199,255,.10)}

.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:11px 14px; border-radius:14px; border:1px solid rgba(255,255,255,.14); font-weight:700}
.btn-primary{border-color:rgba(40,199,255,.35); background:linear-gradient(90deg, rgba(40,199,255,.26), rgba(48,227,202,.18));}
.btn-primary:hover{box-shadow:0 0 0 6px var(--ring)}
.btn-ghost{background:rgba(255,255,255,.03)}
.btn-ghost:hover{background:rgba(255,255,255,.06)}

.link{color:var(--brand1); font-weight:700}

.cta{padding:22px 0 56px}
.cta-inner{display:flex; align-items:center; justify-content:space-between; gap:14px; border-radius:20px; border:1px solid rgba(255,255,255,.10); background:linear-gradient(90deg, rgba(40,199,255,.12), rgba(124,92,255,.10)); padding:18px 18px}
.cta-title{font-weight:900; font-size:18px}
.cta-desc{color:var(--muted); margin-top:4px}
.cta-actions{display:flex; gap:10px; flex-wrap:wrap}

.note{margin-top:12px; color:var(--muted); font-size:13px}
.dot{margin:0 8px; color:rgba(255,255,255,.25)}

.site-footer{border-top:1px solid rgba(255,255,255,.08); padding:30px 0 22px; background:rgba(2,4,10,.35)}
.footer-grid{display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:18px}
.footer-brand{font-weight:900}
.footer-company{color:var(--muted); margin-top:2px}
.footer-tagline{color:var(--muted); margin-top:10px; max-width:46ch}
.footer-title{font-weight:800; margin-bottom:10px}
.footer-list{list-style:none; padding:0; margin:0}
.footer-list li{color:var(--muted); margin:8px 0}
.footer-bottom{margin-top:18px; padding-top:18px; border-top:1px solid rgba(255,255,255,.08)}
.footer-meta{display:flex; align-items:center; gap:8px; flex-wrap:wrap; color:var(--muted); font-size:13px}

.reveal{opacity:0; transform:translateY(8px); transition:opacity .5s ease, transform .5s ease}
.reveal.is-in{opacity:1; transform:none}

@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  .hero-title{font-size:38px}
  .grid.cards{grid-template-columns:repeat(2, minmax(0,1fr))}
  .grid.tiles{grid-template-columns:repeat(2, minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column; align-items:flex-start}
}

@media (max-width: 720px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed; inset:68px 12px auto 12px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    padding:14px;
    border-radius:18px;
    border:1px solid rgba(255,255,255,.10);
    background:rgba(7,11,20,.92);
    box-shadow:var(--shadow);
  }
  .site-nav.is-open{display:flex}
  .nav-link{padding:10px 12px}
  .nav-cta{width:100%; text-align:center}
  .grid.cards{grid-template-columns:1fr}
  .grid.tiles{grid-template-columns:1fr}
  .grid.two{grid-template-columns:1fr}
  .hero-title{font-size:32px}
}