*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0B1426;
  --bg-alt:#091120;
  --card:#12203A;
  --card-border:#1E3060;
  --card-hover:#182848;
  --blue:#4F9CF7;
  --blue-dim:rgba(79,156,247,0.12);
  --violet:#A78BFA;
  --cyan:#22D3EE;
  --text:#EDF2F7;
  --text-muted:#A0AEC0;
  --text-dim:#718096;
  --border:rgba(255,255,255,0.06);
  --glow:0 0 48px rgba(79,156,247,0.12);
  --radius:20px;
  --radius-sm:12px
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:18px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden
}
.container{max-width:1200px;margin:0 auto;padding:0 40px}

.ambient{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 50% at 20% 20%,rgba(79,156,247,0.05) 0%,transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 70%,rgba(167,139,250,0.04) 0%,transparent 60%)
}
.grid-overlay{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(79,156,247,0.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(79,156,247,0.025) 1px,transparent 1px);
  background-size:80px 80px;
  -webkit-mask-image:radial-gradient(ellipse 70% 50% at 50% 30%,rgba(0,0,0,0.6) 0%,transparent 70%);
  mask-image:radial-gradient(ellipse 70% 50% at 50% 30%,rgba(0,0,0,0.6) 0%,transparent 70%)
}

nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(11,20,38,0.85);
  backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  border-bottom:1px solid var(--border)
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 40px;
  display:flex;align-items:center;justify-content:space-between;
  height:76px
}
.nav-brand{
  display:flex;align-items:center;gap:12px;
  text-decoration:none;color:var(--text)
}
.logo-mark{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,var(--blue),var(--violet));
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:14px;color:#fff;
  box-shadow:0 2px 16px rgba(79,156,247,0.25)
}
.nav-brand-text{font-size:19px;font-weight:700;letter-spacing:-0.02em}
.nav-links{display:flex;gap:40px;list-style:none}
.nav-links a{color:var(--text-muted);text-decoration:none;font-size:15px;font-weight:500;transition:color 0.2s}
.nav-links a:hover{color:var(--text)}
.nav-cta{
  padding:11px 24px;border-radius:9px;
  background:var(--blue);color:#fff;
  font-size:14px;font-weight:600;text-decoration:none;
  transition:all 0.3s;box-shadow:0 2px 12px rgba(79,156,247,0.25)
}
.nav-cta:hover{box-shadow:0 6px 24px rgba(79,156,247,0.35);transform:translateY(-1px)}

.hero{
  min-height:100vh;display:flex;align-items:center;
  position:relative;z-index:1;padding:140px 0 100px
}
.hero-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:64px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;border-radius:100px;
  border:1px solid rgba(79,156,247,0.2);
  background:rgba(79,156,247,0.06);
  color:var(--blue);font-size:14px;font-weight:600;
  margin-bottom:36px;animation:fadeInUp 0.7s ease both
}
.hero-badge .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 10px var(--cyan);
  animation:pulse 2.5s ease-in-out infinite
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:0.4;transform:scale(1.6)}
}
.hero h1{
  font-size:56px;font-weight:800;line-height:1.2;
  letter-spacing:-0.03em;margin-bottom:28px;
  animation:fadeInUp 0.7s 0.1s ease both
}
.hero h1 .line2{
  display:block;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text
}
.hero .desc{
  font-size:18px;line-height:1.9;color:var(--text-muted);
  margin-bottom:44px;animation:fadeInUp 0.7s 0.2s ease both
}
.hero-actions{display:flex;gap:16px;animation:fadeInUp 0.7s 0.3s ease both}
.btn-primary{
  padding:16px 36px;border-radius:10px;border:none;
  background:var(--blue);color:#fff;
  font-size:16px;font-weight:600;cursor:pointer;
  text-decoration:none;display:inline-block;
  transition:all 0.3s;box-shadow:0 4px 20px rgba(79,156,247,0.3)
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(79,156,247,0.4)}
.btn-secondary{
  padding:16px 36px;border-radius:10px;
  border:1px solid var(--card-border);
  background:var(--card);color:var(--text-muted);
  font-size:16px;font-weight:500;cursor:pointer;
  text-decoration:none;display:inline-block;transition:all 0.3s
}
.btn-secondary:hover{border-color:var(--blue);color:var(--text)}

.hero-visual{position:relative;width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center}
.hero-visual canvas{position:absolute;inset:0;width:100%;height:100%}

@keyframes fadeInUp{
  from{opacity:0;transform:translateY(28px)}
  to{opacity:1;transform:translateY(0)}
}

.metrics{
  padding:64px 0;position:relative;z-index:1;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border)
}
.metrics-row{display:flex;justify-content:space-between;align-items:center}
.m-item{text-align:center;flex:1}
.m-item .val{font-size:44px;font-weight:800;letter-spacing:-0.02em;color:var(--blue)}
.m-item .lbl{font-size:14px;color:var(--text-dim);margin-top:6px;font-weight:500}

section{position:relative;z-index:1}
.section-head{text-align:center;margin-bottom:72px}
.section-tag{
  display:inline-block;font-size:13px;font-weight:700;
  letter-spacing:0.1em;text-transform:uppercase;color:var(--blue);margin-bottom:14px
}
.section-head h2{font-size:40px;font-weight:700;letter-spacing:-0.02em;margin-bottom:14px}
.section-head .sub{font-size:18px;color:var(--text-muted)}

.services{padding:120px 0}
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.svc{
  padding:44px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--card-border);transition:all 0.35s
}
.svc:hover{background:var(--card-hover);border-color:rgba(79,156,247,0.3);transform:translateY(-4px);box-shadow:var(--glow)}
.svc-top{display:flex;align-items:center;gap:16px;margin-bottom:18px}
.svc-ico{
  width:52px;height:52px;border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;flex-shrink:0
}
.svc-ico--blue{background:rgba(79,156,247,0.1);border:1px solid rgba(79,156,247,0.2)}
.svc-ico--cyan{background:rgba(34,211,238,0.1);border:1px solid rgba(34,211,238,0.2)}
.svc-ico--violet{background:rgba(167,139,250,0.1);border:1px solid rgba(167,139,250,0.2)}
.svc-ico--amber{background:rgba(251,191,36,0.1);border:1px solid rgba(251,191,36,0.2)}
.svc-ico svg{width:26px;height:26px}
.svc h3{font-size:24px;font-weight:700}
.svc .body{font-size:16px;color:var(--text-muted);line-height:1.85;margin-bottom:22px}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px}
.svc-tags span{
  padding:6px 14px;border-radius:6px;font-size:13px;font-weight:500;
  background:rgba(79,156,247,0.06);border:1px solid rgba(79,156,247,0.1);color:var(--text-dim)
}

.tech{padding:120px 0;background:var(--bg-alt)}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.t-card{
  padding:36px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,0.02);border:1px solid var(--card-border);transition:all 0.3s
}
.t-card:hover{border-color:rgba(79,156,247,0.3);background:rgba(79,156,247,0.04)}
.t-num{font-size:12px;font-weight:800;letter-spacing:0.15em;color:var(--blue);margin-bottom:18px}
.t-card h4{font-size:20px;font-weight:600;margin-bottom:12px}
.t-card p{font-size:15px;color:var(--text-dim);line-height:1.75}

.process{padding:120px 0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:72px;position:relative}
.step{text-align:center}
.step-circle{
  width:80px;height:80px;border-radius:50%;
  background:var(--card);border:2px solid var(--card-border);
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:24px;font-size:28px;font-weight:800;color:var(--blue);
  position:relative;z-index:2;transition:all 0.3s
}
.step:hover .step-circle{border-color:var(--blue);box-shadow:0 0 32px rgba(79,156,247,0.2)}
.step-connector{position:absolute;top:40px;left:0;right:0;height:2px;z-index:1;display:flex;align-items:center;justify-content:center}
.step-connector-inner{display:flex;align-items:center;width:100%;padding:0 100px}
.step-line{flex:1;height:1px;background:linear-gradient(90deg,transparent 0%,var(--card-border) 15%,var(--card-border) 85%,transparent 100%)}
.step-gap{width:80px;flex-shrink:0}
.step h4{font-size:18px;font-weight:700;margin-bottom:10px}
.step p{font-size:15px;color:var(--text-dim);line-height:1.7}

.cta{padding:100px 0 120px}
.cta-box{
  padding:80px 64px;border-radius:24px;
  background:linear-gradient(135deg,rgba(79,156,247,0.08),rgba(167,139,250,0.06));
  border:1px solid rgba(79,156,247,0.15);text-align:center;position:relative;overflow:hidden
}
.cta-box::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(circle at 25% 50%,rgba(79,156,247,0.06) 0%,transparent 50%),
    radial-gradient(circle at 75% 50%,rgba(167,139,250,0.04) 0%,transparent 50%)
}
.cta-box h2{font-size:36px;font-weight:700;margin-bottom:16px;position:relative}
.cta-box .sub{font-size:18px;color:var(--text-muted);margin-bottom:40px;position:relative}
.cta-box .btn-primary{position:relative;font-size:17px;padding:18px 40px}

footer{padding:72px 0 48px;border-top:1px solid var(--border);position:relative;z-index:1}
.f-grid{display:grid;grid-template-columns:2.5fr 1fr 1fr 1fr;gap:56px;margin-bottom:56px}
.f-brand h4{font-size:18px;font-weight:700;margin-bottom:14px}
.f-brand p{font-size:15px;color:var(--text-dim);line-height:1.8}
.f-col h5{font-size:13px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:18px}
.f-col a{display:block;font-size:15px;color:var(--text-dim);text-decoration:none;margin-bottom:12px;transition:color 0.2s}
.f-col a:hover{color:var(--blue)}
.f-bottom{padding-top:28px;border-top:1px solid var(--border);display:flex;justify-content:space-between;font-size:14px;color:var(--text-dim)}

.reveal{opacity:0;transform:translateY(36px);transition:opacity 0.7s cubic-bezier(0.22,1,0.36,1),transform 0.7s cubic-bezier(0.22,1,0.36,1)}
.reveal.visible{opacity:1;transform:translateY(0)}

@media(max-width:960px){
  .nav-links{display:none}
  .hero-layout{grid-template-columns:1fr}
  .hero-visual{display:none}
  .svc-grid{grid-template-columns:1fr}
  .tech-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step-connector{display:none}
  .f-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  body{font-size:16px}
  .hero h1{font-size:40px}
  .tech-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr}
  .cta-box{padding:48px 28px}
}