*{box-sizing:border-box}
:root{
  --bg:#0b1020;
  --bg2:#101a35;
  --card:rgba(255,255,255,.08);
  --card-border:rgba(255,255,255,.12);
  --text:#edf2ff;
  --muted:#b8c2dd;
  --primary:#5b8cff;
  --primary-2:#7b61ff;
  --success:#22c55e;
  --danger:#ef4444;
  --shadow:0 20px 60px rgba(0,0,0,.28);
  --radius:22px;
}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:
    radial-gradient(circle at top left, rgba(91,140,255,.18), transparent 30%),
    radial-gradient(circle at top right, rgba(123,97,255,.15), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  color:var(--text); min-height:100vh;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1160px,calc(100% - 32px));margin:0 auto}
.nav{
  position:sticky;top:0;z-index:40;
  backdrop-filter:blur(16px);
  background:rgba(10,15,31,.75);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700}
.brand-logo{
  width:40px;height:40px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  display:grid;place-items:center;box-shadow:0 10px 30px rgba(91,140,255,.35)
}
.nav-links{display:flex;gap:18px;flex-wrap:wrap}
.nav-links a{color:var(--muted);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.hero{padding:72px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
.card,.hero-card{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
}
.hero-card{padding:34px}
.badge{
  display:inline-flex;padding:8px 14px;border-radius:999px;
  background:rgba(91,140,255,.14);border:1px solid rgba(91,140,255,.25);
  color:#dbe7ff;font-size:14px;margin-bottom:18px
}
h1{margin:0 0 16px;font-size:clamp(34px,5vw,58px);line-height:1.05}
h2{margin:0 0 14px;font-size:clamp(26px,3vw,36px)}
h3{margin:0 0 10px;font-size:20px}
p{line-height:1.75;color:var(--muted);margin:0 0 16px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:48px;
  padding:0 18px;border-radius:14px;border:1px solid transparent;
  font-weight:600;transition:.2s;cursor:pointer
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#4779f5}
.btn-secondary{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.1)}
.btn-secondary:hover{background:rgba(255,255,255,.1)}
.section{padding:22px 0 46px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{padding:24px}
.icon-box{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:rgba(91,140,255,.14);border:1px solid rgba(91,140,255,.2);margin-bottom:14px;
  font-size:22px
}
.doc-wrap{padding:46px 0 72px}
.doc-card{padding:34px}
.doc-meta{font-size:14px;color:#d7def3;margin-bottom:20px}
.doc-card ul,.doc-card ol{line-height:1.9;color:var(--muted);padding-left:22px}
.footer{padding:28px 0 44px;color:var(--muted)}
.footer-line{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.form-group{margin-bottom:16px}
label{display:block;margin-bottom:8px;color:#dbe7ff;font-weight:600}
input[type="text"],input[type="email"],textarea{
  width:100%;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);
  color:var(--text);border-radius:14px;padding:14px 16px;outline:none;font-size:15px
}
textarea{min-height:140px;resize:vertical}
input:focus,textarea:focus{border-color:rgba(91,140,255,.55);box-shadow:0 0 0 4px rgba(91,140,255,.12)}
.notice{padding:14px 16px;border-radius:14px;margin-bottom:16px;font-size:14px}
.notice-success{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.22);color:#d9ffe6}
.notice-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.22);color:#ffe1e1}
.steps{counter-reset:step}
.steps li{list-style:none;position:relative;padding-left:52px;margin-bottom:18px}
.steps li::before{
  counter-increment:step;content:counter(step);position:absolute;left:0;top:3px;
  width:34px;height:34px;border-radius:999px;display:grid;place-items:center;
  background:rgba(91,140,255,.14);border:1px solid rgba(91,140,255,.24);font-weight:700;color:#e8f0ff
}
.lang-switch{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.lang-chip{
  padding:8px 12px;border:1px solid rgba(255,255,255,.12);border-radius:999px;
  background:rgba(255,255,255,.05);color:var(--muted);font-size:14px
}
.lang-chip.active,.lang-chip:hover{color:#fff;border-color:rgba(91,140,255,.35)}
.phone-frame{
  max-width:320px;
  margin:0 auto;
  padding:14px;
  border-radius:40px;
  background:linear-gradient(180deg,#1e293b,#0f172a);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 20px 50px rgba(0,0,0,.28);
}
.slideshow{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  border:1px solid rgba(255,255,255,.08);
  background:#0e152a;
  width:100%;
  aspect-ratio:9 / 19.5;
}
.slide{
  position:absolute;
  inset:0;
  opacity:0;
  transition:opacity .6s ease;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:18px;
}
.slide.active{opacity:1}
.slide img{
  width:100%;
  height:100%;
  object-fit:contain;
  border-radius:18px;
}
.slide-overlay{
  position:absolute;
  left:14px;
  right:14px;
  bottom:44px;
  background:rgba(5,10,22,.55);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  padding:14px;
  z-index:2;
}
.dots{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:16px;
  display:flex;
  gap:8px;
  z-index:3;
}
.dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background:rgba(255,255,255,.35);
  cursor:pointer;
}
.dot.active{background:#fff}
.tiny{font-size:13px;color:var(--muted)}
@media (max-width: 920px){
  .hero-grid,.grid-3,.grid-2{grid-template-columns:1fr}
  .hero{padding-top:56px}
  .hero-card,.card,.doc-card{padding:24px}
  .phone-frame{max-width:280px}
}