*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  color:#1a1a2e;line-height:1.7;-webkit-font-smoothing:antialiased;background:#fff;
}

/* Nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.05)}
.nav-inner{max-width:1100px;margin:0 auto;padding:0 40px;height:56px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-size:16px;font-weight:700;color:#1a1a2e;text-decoration:none;display:flex;align-items:center;gap:8px}
.nav-dot{width:8px;height:8px;border-radius:50%;background:#5551ff}
.nav-link{font-size:14px;color:#555;text-decoration:none;font-weight:500;padding:6px 14px;border-radius:8px;transition:all .2s}
.nav-link:hover{background:#f5f5fa;color:#1a1a2e}

/* Containers */
.wrap-wide{max-width:880px;margin:0 auto;padding:0 32px}
.sec{padding:120px 0}
.sec-alt{background:#f8f9fc}

/* Hero */
.hero{text-align:center;padding:100px 0 80px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;border-radius:99px;background:#f5f3ff;color:#5551ff;font-size:13px;font-weight:600;margin-bottom:32px}
.hero-badge::before{content:'';width:7px;height:7px;border-radius:50%;background:#22c55e;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:52px;font-weight:800;letter-spacing:-2px;line-height:1.12;margin-bottom:20px}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,#5551ff 0%,#8b5cf6 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:18px;color:#777;max-width:480px;margin:0 auto 40px}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{padding:14px 34px;border-radius:12px;font-size:15px;font-weight:600;text-decoration:none;transition:all .25s;display:inline-flex;align-items:center;gap:8px}
.btn-fill{background:#5551ff;color:#fff;box-shadow:0 4px 20px rgba(85,81,255,.3)}
.btn-fill:hover{background:#4a46e8;transform:translateY(-2px);box-shadow:0 8px 28px rgba(85,81,255,.4)}
.btn-line{background:#fff;color:#1a1a2e;border:1.5px solid #e0e0e8;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.btn-line:hover{border-color:#5551ff;color:#5551ff;box-shadow:0 4px 12px rgba(85,81,255,.1)}
.btn svg{width:18px;height:18px}

/* Metrics */
.metrics{display:flex;justify-content:center;gap:64px;margin-top:56px}
.metric{text-align:center}
.metric-val{font-size:36px;font-weight:800;letter-spacing:-1px}
.metric-lbl{font-size:13px;color:#999;margin-top:4px;font-weight:500}
.metric-div{width:1px;background:linear-gradient(to bottom,transparent,#e0e0e8,transparent)}

/* Section heading */
.sec-head{text-align:center;margin-bottom:64px}
.sec-head h2{font-size:34px;font-weight:800;letter-spacing:-1px;margin-bottom:12px}
.sec-head p{font-size:16px;color:#999;max-width:520px;margin:0 auto}

/* Feature grid */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  padding:36px 28px;border-radius:18px;background:#fff;
  border:1px solid #f0f0f6;box-shadow:0 2px 8px rgba(0,0,0,.04);
  transition:all .3s cubic-bezier(.4,0,.2,1);
}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 48px rgba(0,0,0,.08);border-color:#ddddf2}
.card-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:20px}
.card-icon.c1{background:linear-gradient(135deg,#f0efff,#e4e0ff);color:#5551ff}
.card-icon.c2{background:linear-gradient(135deg,#eff9f1,#dff5e5);color:#22c55e}
.card-icon.c3{background:linear-gradient(135deg,#fff7ed,#fdefd8);color:#f59e0b}
.card-icon.c4{background:linear-gradient(135deg,#eff4ff,#dee8ff);color:#3b82f6}
.card-icon.c5{background:linear-gradient(135deg,#fef2f2,#fde2e2);color:#ef4444}
.card-icon.c6{background:linear-gradient(135deg,#f5f3ff,#ebe0ff);color:#8b5cf6}
.card h3{font-size:16px;font-weight:700;margin-bottom:8px}
.card p{font-size:14px;color:#777;line-height:1.8}

/* Steps */
.steps{display:flex;flex-direction:column;gap:24px;max-width:600px;margin:0 auto}
.step{display:flex;gap:20px;align-items:flex-start}
.step-num{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#5551ff,#4a46e8);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;color:#fff;flex-shrink:0}
.step-content h4{font-size:16px;font-weight:700;margin-bottom:6px}
.step-content p{font-size:14px;color:#777;line-height:1.8}
.step-content code{background:#f5f3ff;padding:2px 10px;border-radius:5px;font-size:12px;color:#5551ff}

/* Divider */
.sec-divider{height:1px;background:linear-gradient(90deg,transparent,#e0e0ea 20%,#e0e0ea 80%,transparent);max-width:900px;margin:0 auto}

/* Log */
.logs{overflow:hidden;max-width:880px;margin:0 auto;padding:8px 0 20px;-webkit-mask-image:linear-gradient(to right,transparent 0%,#000 12%,#000 88%,transparent 100%);mask-image:linear-gradient(to right,transparent 0%,#000 12%,#000 88%,transparent 100%)}
.logs::-webkit-scrollbar{display:none}
.logs-inner{white-space:nowrap;text-align:center}
.log{display:inline-block;white-space:normal;text-align:center;padding:0 12px}
.log-card{display:inline-block;width:540px;height:340px;padding:32px 28px;background:rgba(255,255,255,.55);backdrop-filter:blur(24px) saturate(120%);-webkit-backdrop-filter:blur(24px) saturate(120%);border-radius:16px;text-align:center;border:1px solid rgba(255,255,255,.6);box-shadow:0 8px 32px rgba(0,0,0,.08),0 0 0 1px rgba(255,255,255,.3) inset;transition:all .4s cubic-bezier(.25,.8,.25,1);overflow-y:auto}
.log-card:hover{transform:translateY(-10px) scale(1.02);box-shadow:0 16px 48px rgba(85,81,255,.18),0 0 0 1px rgba(255,255,255,.5) inset;background:rgba(255,255,255,.7)}
.log-card::-webkit-scrollbar{width:4px}
.log-card::-webkit-scrollbar-thumb{background:#ddd;border-radius:2px}
.log-head{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:14px}
.log-ver{font-size:14px;font-weight:700;color:#5551ff;letter-spacing:.5px}
.log-date{font-size:12px;color:#bbb;font-weight:500;padding:2px 10px;background:#f5f5fa;border-radius:99px}
.log-body ul{list-style:none;display:flex;flex-direction:column;align-items:center;gap:8px;padding:0}
.log-body li{font-size:14px;color:#666;line-height:1.9;text-align:center}

/* Animations */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .6s ease-out,transform .6s ease-out}
.fade-up.visible{opacity:1;transform:translateY(0)}
.delay-1{transition-delay:.1s}.delay-2{transition-delay:.2s}.delay-3{transition-delay:.3s}
.delay-4{transition-delay:.4s}.delay-5{transition-delay:.5s}.delay-6{transition-delay:.6s}
.delay-7{transition-delay:.7s}.delay-8{transition-delay:.8s}

/* Footer */
.footer{padding:60px 0;background:#f8f9fc;border-top:1px solid #e9e9f2}
.footer-inner{max-width:880px;margin:0 auto;padding:0 32px;text-align:center}
.footer-socials{display:flex;justify-content:center;gap:16px;margin-bottom:24px}
.footer-socials a{color:#999;text-decoration:none;transition:color .2s}
.footer-socials a:hover{color:#5551ff}
.footer-socials svg{width:22px;height:22px}
.footer-copy{font-size:13px;color:#aaa}
.footer-copy a{color:#888;text-decoration:none;font-weight:500}
.footer-copy a:hover{color:#5551ff}

@media(max-width:768px){
  .grid3{grid-template-columns:1fr 1fr}
  .hero h1{font-size:34px}
  .metrics{gap:32px}.metric-val{font-size:26px}
  .sec{padding:80px 0}
  .nav-inner{padding:0 20px}.wrap-wide{padding:0 20px}
}
@media(max-width:480px){.grid3{grid-template-columns:1fr}.hero h1{font-size:28px}}