:root{
  --bg:#060816;
  --bg-2:#09051a;
  --bg-3:#0b1020;
  --card:#14102a;
  --card-2:#1a1436;
  --text:#f3efff;
  --muted:#b9b1e6;
  --primary:#7a2dff;
  --primary-2:#b43dff;
  --accent:#4bd3ff;
  --accent-2:#53f0c5;
  --line:rgba(255,255,255,0.08);
  --glow:0 20px 60px rgba(122,45,255,0.35);
  --radius:24px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1200px,92%);margin:0 auto;padding:0 8px}

#particles{position:fixed;inset:0;z-index:-2;pointer-events:none}

body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size:60px 60px;
  opacity:0.25;
}

.top-progress{position:fixed;top:0;left:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));width:0;z-index:999}

header{
  position:sticky;top:0;z-index:900;
  backdrop-filter:blur(12px);
  background:rgba(9,5,26,0.72);
  border-bottom:1px solid var(--line);
}
.navbar{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:30px}
.brand-text{font-weight:800;letter-spacing:0.6px;color:#f5edff}
.nav-links{display:flex;gap:18px;align-items:center;font-size:14px;color:var(--muted);flex-wrap:wrap}
.nav-links a{padding:6px 10px;border-radius:999px;transition:.2s}
.nav-links a:hover{background:rgba(122,45,255,0.18);color:#fff}

.burger{display:none;width:40px;height:40px;border:1.5px solid rgba(255,255,255,0.2);border-radius:10px;align-items:center;justify-content:center;cursor:pointer;transition:.3s;background:transparent}
.burger:hover{border-color:rgba(75,211,255,0.4);background:rgba(75,211,255,0.08)}
.burger span{width:18px;height:2px;background:#fff;display:block;position:relative;transition:.3s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;transition:.3s}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger.active span{background:transparent}
.burger.active span::before{top:0;transform:rotate(45deg)}
.burger.active span::after{top:0;transform:rotate(-45deg)}

.menu-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.3);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .3s ease-out;z-index:850}
.menu-overlay.visible{opacity:1;pointer-events:auto}

.mobile-menu{display:none;flex-direction:column;gap:8px;padding:16px 0 20px;border-top:1px solid rgba(75,211,255,0.15);max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.mobile-menu.open{display:flex;max-height:500px}
.mobile-menu a{padding:12px 12px;border-radius:10px;background:rgba(75,211,255,0.08);border:1px solid rgba(75,211,255,0.15);font-size:14px;font-weight:500;color:#fff;transition:.2s;cursor:pointer}
.mobile-menu a:active,.mobile-menu a:hover{background:rgba(75,211,255,0.15);border-color:rgba(75,211,255,0.3);transform:translateX(4px)}

.section{position:relative;padding:100px 0}
.section h2{font-size:32px;font-weight:700;margin-bottom:12px;color:#fff;letter-spacing:-.5px}
.section-desc{color:var(--muted);margin-top:8px;margin-bottom:36px;max-width:760px;line-height:1.6;font-size:15px}
@media (max-width:768px){
  .section{padding:80px 0}
  .section h2{font-size:26px}
  .section-desc{font-size:14px;margin-bottom:32px}
  .hero h1{font-size:34px;line-height:1.3}
  .hero p{font-size:15px;margin-top:12px}
  .hero-cta{gap:12px;margin-top:20px}
  .btn{padding:12px 24px;font-size:14px}
  .feature-card{padding:24px}
  .feature-card h3{font-size:17px}
  .feature-card p{font-size:13px}
  .screen-grid{gap:16px}
  .screen-card{padding:12px}
  .screen-card img{height:240px}
  .logo-grid{gap:14px}
  .logo-card{padding:20px}
  .security-layout{gap:32px}
}

.hero{
  position:relative;
  min-height:920px;
  display:flex;
  align-items:center;
  padding:60px 0;
  background:
    radial-gradient(800px 400px at 20% 20%,rgba(122,45,255,0.25),transparent 60%),
    radial-gradient(900px 450px at 80% 10%,rgba(75,211,255,0.18),transparent 60%),
    linear-gradient(160deg,#050713 0%,#0b0f20 50%,#060816 100%);
}
.hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(500px 500px at 75% 75%,rgba(82,247,200,0.15),transparent 60%),
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size:auto,70px 70px,70px 70px;
  opacity:.5;
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.hero-content{max-width:680px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;background:rgba(122,45,255,0.18);border:1.5px solid rgba(122,45,255,0.25);font-size:13px;color:#d7ccff;font-weight:500}
.hero h1{font-size:44px;line-height:1.2;margin-top:20px;max-width:620px;font-weight:800;color:#fff}
.hero p{color:rgba(255,255,255,0.8);margin-top:14px;max-width:620px;font-size:16px;line-height:1.7}
.hero-cta{display:flex;gap:16px;margin-top:24px;flex-wrap:wrap}
.btn{padding:14px 28px;border-radius:12px;background:linear-gradient(90deg,var(--primary),var(--primary-2));color:#fff;font-weight:700;border:0;box-shadow:var(--glow);transition:.3s cubic-bezier(.34,.1,.64,.1);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px}
.btn.secondary{background:transparent;border:1.5px solid rgba(255,255,255,0.25);box-shadow:none;color:#fff;font-weight:600}
.btn:hover{transform:translateY(-3px);box-shadow:0 30px 80px rgba(122,45,255,0.4)}

.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.badge{padding:8px 12px;border-radius:999px;border:1.5px solid rgba(255,255,255,0.15);font-size:12px;color:rgba(255,255,255,0.8);display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,0.05);transition:.2s}
.badge:hover{border-color:rgba(75,211,255,0.4);background:rgba(75,211,255,0.08)}
.badge img{width:18px;height:18px;object-fit:contain}
.badge i{display:inline-block;width:8px;height:8px;border-radius:50%;background:linear-gradient(90deg,#4cd964,#4bd3ff);box-shadow:0 0 8px rgba(76,217,100,0.6)}

.hero-visual{position:relative;display:flex;justify-content:flex-end}
.hero-showcase{position:relative;width:520px;max-width:100%;min-height:420px}
.hero-phone{position:relative;width:360px;margin-left:auto;border-radius:28px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,0.55);border:1px solid rgba(255,255,255,0.08);background:rgba(18,12,34,0.8)}
.hero-phone img{width:100%;height:520px;object-fit:cover}
.hero-mini{position:absolute;width:200px;border-radius:22px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,0.45);border:1px solid rgba(255,255,255,0.08);background:rgba(18,12,34,0.8)}
.hero-mini img{width:100%;height:140px;object-fit:cover}
.mini-a{left:0;top:40px}
.mini-b{left:60px;bottom:20px}

.section-product{background:linear-gradient(140deg,#120a27 0%,#1a1237 100%)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{padding:32px;border-radius:var(--radius);background:rgba(18,12,34,0.95);border:1.5px solid rgba(122,45,255,0.2);transition:.3s;position:relative;overflow:hidden}
.feature-card::before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(122,45,255,0.1),transparent);transition:.6s}
.feature-card:hover{border-color:rgba(122,45,255,0.4);background:rgba(18,12,34,0.98);transform:translateY(-4px);box-shadow:0 16px 40px rgba(122,45,255,0.15)}
.feature-card:hover::before{left:100%}
.feature-card h3{font-size:18px;margin-bottom:10px;color:#fff;font-weight:700}
.feature-card p{color:rgba(255,255,255,0.7);line-height:1.6;font-size:14px}
.feature-card .tag{display:inline-block;margin-top:16px;padding:6px 14px;border-radius:999px;background:rgba(122,45,255,0.25);font-size:12px;color:#d7ccff;font-weight:500}

.section-security{background:linear-gradient(140deg,#0b1020 0%,#0a0d1d 100%)}
.security-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.security-text h2{margin-bottom:8px}
.security-text h3{font-size:22px;margin-bottom:16px;color:#4bd3ff;font-weight:700;letter-spacing:-.3px}
.security-list{margin:20px 0 28px 20px;color:rgba(255,255,255,0.75);display:grid;gap:14px}
.security-list li{position:relative;padding-left:20px;line-height:1.7;font-size:14px}
.security-list li::before{content:"✓";position:absolute;left:0;color:#4cd964;font-weight:700}
.security-dashboard{display:grid;gap:18px}
.security-dashboard .metric{padding:16px;border-radius:14px;background:rgba(75,211,255,0.08);border:1px solid rgba(75,211,255,0.15)}
.security-dashboard .label{margin-bottom:8px;color:#fff;font-size:14px;font-weight:600}
.security-visual .media-card{padding:18px;border-radius:var(--radius);background:rgba(10,6,22,0.95);border:1.5px solid rgba(75,211,255,0.2)}
.security-visual img{width:100%;max-width:500px;max-height:520px;object-fit:contain;border-radius:var(--radius);box-shadow:0 24px 60px rgba(75,211,255,0.15)}
.progress{height:6px;border-radius:999px;background:rgba(75,211,255,0.15);overflow:hidden}
.progress span{display:block;height:100%;background:linear-gradient(90deg,#4cd964,#4bd3ff);width:0;transition:width .8s ease-out}

.section-screens{background:linear-gradient(140deg,#0b0f20 0%,#141529 100%)}
.screen-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.screen-card{padding:14px;border-radius:var(--radius);background:rgba(18,10,34,0.95);border:1.5px solid rgba(255,255,255,0.08);text-align:center;transition:.3s;overflow:hidden}
.screen-card:hover{border-color:rgba(75,211,255,0.3);background:rgba(18,10,34,0.98);box-shadow:0 12px 30px rgba(75,211,255,0.1)}
.screen-card img{width:100%;height:300px;object-fit:cover;border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,0.35);margin-bottom:14px}
.screen-card h3{font-size:15px;font-weight:700;color:#fff;margin:8px 0 0}

.section-currencies{background:linear-gradient(140deg,#0d1426 0%,#121831 100%)}
.logo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.logo-card{padding:24px;border-radius:var(--radius);background:rgba(255,255,255,0.06);border:1.5px solid rgba(75,211,255,0.15);display:grid;gap:10px;align-items:center;transition:.3s}
.logo-card:hover{background:rgba(255,255,255,0.08);border-color:rgba(75,211,255,0.3);transform:translateY(-2px)}
.logo-card img{width:56px;height:56px;object-fit:contain;background:rgba(75,211,255,0.1);border-radius:16px;padding:8px}
.logo-name{font-weight:700;color:#fff;font-size:15px}
.logo-desc{color:rgba(255,255,255,0.65);font-size:13px}

.section-partners{background:linear-gradient(140deg,#09051a 0%,#0b0e1c 100%)}
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:center}
.partner-item{display:flex;align-items:center;gap:10px;padding:16px 18px;border-radius:16px;background:rgba(255,255,255,0.06);border:1.5px solid rgba(255,255,255,0.1);transition:.3s}
.partner-item:hover{background:rgba(255,255,255,0.08);border-color:rgba(75,211,255,0.3)}
.partner-item img{width:40px;height:40px;object-fit:contain;background:rgba(75,211,255,0.1);border-radius:12px;padding:6px}
.partner-item span{font-size:14px;font-weight:600;color:#fff}
.partner-tag{padding:14px 16px;border-radius:16px;background:rgba(122,45,255,0.15);border:1.5px dashed rgba(122,45,255,0.35);text-align:center;color:#d7ccff;font-size:13px;font-weight:600}

.section-scenes{background:linear-gradient(140deg,#0b1020 0%,#101427 100%)}
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{padding:20px;border-radius:var(--radius);background:rgba(18,10,34,0.95);border:1.5px solid rgba(75,211,255,0.15);cursor:pointer;transition:.3s;overflow:hidden}
.scene-card:hover{transform:translateY(-6px);border-color:rgba(75,211,255,0.35);background:rgba(18,10,34,0.98);box-shadow:0 16px 40px rgba(75,211,255,0.15)}
.scene-card img{width:100%;height:240px;object-fit:cover;border-radius:12px;box-shadow:0 16px 40px rgba(0,0,0,0.35);margin-bottom:14px}
.scene-card h3{font-size:16px;font-weight:700;color:#fff;margin-bottom:8px}
.scene-card p{color:rgba(255,255,255,0.7);font-size:14px;line-height:1.6}

.section-faq{background:linear-gradient(140deg,#0a0f20 0%,#0e1428 100%)}
.accordion{display:grid;gap:10px;max-width:920px}
.accordion-item{border:1.5px solid rgba(255,255,255,0.1);border-radius:16px;overflow:hidden;background:rgba(18,10,34,0.95);transition:.3s}
.accordion-item:hover{border-color:rgba(75,211,255,0.25);background:rgba(18,10,34,0.98)}
.accordion-item button{width:100%;text-align:left;background:transparent;border:0;color:#fff;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;font-size:15px;font-weight:600;cursor:pointer;transition:.2s}
.accordion-item button:hover{color:#4bd3ff}
.accordion-item button span{transition:.3s transform}
.accordion-item.open button span{transform:rotate(45deg)}
.accordion-item .content{display:none;padding:0 20px 18px;color:rgba(255,255,255,0.75);font-size:14px;line-height:1.7;border-top:1px solid rgba(75,211,255,0.1)}
.accordion-item.open .content{display:block;animation:slideDown .3s ease-out}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}

.section-download{background:linear-gradient(120deg,#3b0a8f,#7a2dff,#4bd3ff);position:relative;overflow:hidden}
.section-download::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,rgba(255,255,255,0.1),transparent 60%);pointer-events:none}
.download-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;position:relative;z-index:1}
.download-inner h2{color:#fff;font-size:32px}
.download-inner p{color:rgba(255,255,255,0.9);margin:12px 0 24px;line-height:1.6}
.download-media img{width:220px;height:220px;object-fit:cover;border-radius:22px;box-shadow:0 24px 60px rgba(0,0,0,0.4);border:2px solid rgba(255,255,255,0.2)}

footer{padding:60px 0 40px;border-top:2px solid rgba(45,211,255,0.2);color:var(--muted);background:linear-gradient(180deg,#050713 0%,#080a15 100%);position:relative}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(45,211,255,0.3),transparent)}
.footer-grid{display:grid;grid-template-columns:1.2fr 1.8fr;gap:40px;align-items:flex-start}
.footer-brand{padding-right:20px}
.footer-brand p{margin:12px 0 16px;line-height:1.6;color:rgba(255,255,255,0.7)}
.brand-row{display:flex;gap:10px;align-items:center;margin-bottom:12px}
.brand-row img{height:32px}
.brand-row span{font-size:18px;font-weight:700;color:#fff}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.footer-contact div{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,0.7)}
.footer-contact i{color:#4bd3ff;font-size:14px}
.footer-meta{display:flex;flex-direction:column;gap:20px}
.footer-security{display:grid;gap:12px}
.footer-security div{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,0.8);padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.05)}
.footer-security i{color:#4cd964;font-size:14px;min-width:16px;text-align:center}
.footer-legal{display:grid;gap:8px;padding-top:12px;border-top:1px solid rgba(255,255,255,0.08)}
.footer-legal div{font-size:12px;color:rgba(255,255,255,0.6);line-height:1.5}

.modal{position:fixed;inset:0;background:rgba(0,0,0,0.75);display:none;align-items:center;justify-content:center;z-index:999;backdrop-filter:blur(2px)}
.modal.open{display:flex;animation:fadeIn .3s ease-out}
.modal-content{width:min(700px,92%);padding:32px;border-radius:20px;background:linear-gradient(135deg,#120823,#1a1433);border:1.5px solid rgba(75,211,255,0.25);box-shadow:0 30px 80px rgba(0,0,0,0.6);animation:slideUp .3s ease-out}
.modal-content h3{font-size:22px;font-weight:700;color:#fff;margin-bottom:12px}
.modal-content p{color:rgba(255,255,255,0.8);line-height:1.8;font-size:15px}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

.reveal{opacity:0;transform:translateY(20px);transition:.6s}
.reveal.in{opacity:1;transform:translateY(0)}

.glow-follow{position:fixed;width:220px;height:220px;border-radius:50%;pointer-events:none;background:radial-gradient(circle,rgba(94,215,255,0.25),transparent 60%);mix-blend-mode:screen;filter:blur(2px);z-index:2}

@media (max-width:1440px){
  .hero h1{font-size:40px}
  .hero{min-height:860px}
  .section-product .feature-grid{gap:20px}
  .feature-card{padding:28px}
}
@media (max-width:1366px){
  .hero-grid{grid-template-columns:1.1fr .9fr}
  .hero h1{font-size:38px}
  .hero-showcase{width:460px}
}
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr}
  .hero{min-height:auto;padding:90px 0}
  .hero-visual{justify-content:center;margin-top:20px}
  .hero-showcase{width:100%;min-height:360px}
  .hero-phone{width:300px;margin:0 auto}
  .hero-phone img{height:420px}
  .mini-a{left:0;top:10px}
  .mini-b{left:40px;bottom:10px}
  .feature-grid,.security-layout,.screen-grid,.logo-grid,.partner-grid,.scenes,.download-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .burger{display:flex}
  .mobile-menu{display:none}
}
@media (max-width:768px){
  .section{padding:96px 0}
  .feature-grid{grid-template-columns:1fr 1fr}
  .screen-grid{grid-template-columns:1fr 1fr}
  .logo-grid{grid-template-columns:1fr 1fr}
  .partner-grid{grid-template-columns:1fr 1fr}
  footer{padding:48px 0 32px}
  .footer-grid{gap:24px}
  .footer-brand{padding-right:0}
}
@media (max-width:640px){
  .navbar{gap:12px}
  .brand-text{font-size:18px}
  .burger{display:flex}
  .mobile-menu{padding:12px 0 16px}
  .mobile-menu a{padding:10px 12px;font-size:13px}

  .hero{min-height:auto;padding:60px 0}
  .hero h1{font-size:28px;line-height:1.35;margin-top:16px}
  .hero p{font-size:14px;margin-top:12px;color:rgba(255,255,255,0.75)}
  .hero-badge{font-size:12px;padding:8px 12px}
  .hero-cta{gap:10px;margin-top:16px}
  .btn{padding:11px 20px;font-size:13px}
  .badge-row{margin-top:16px;gap:8px}
  .badge{font-size:11px;padding:6px 10px}
  .section{padding:64px 0}
  .section h2{font-size:24px;margin-bottom:10px}
  .section-desc{font-size:13px;margin-bottom:28px}
  .feature-grid,.screen-grid,.logo-grid,.partner-grid,.scenes{grid-template-columns:1fr}
  .feature-card{padding:20px;margin-bottom:8px}
  .feature-card h3{font-size:16px}
  .feature-card p{font-size:13px}
  .screen-card{padding:10px}
  .screen-card img{height:200px}
  .logo-card{padding:18px;gap:10px}
  .logo-card img{width:48px;height:48px}
  .partner-grid{grid-template-columns:1fr}
  .scenes{gap:16px}
  .scene-card{padding:16px}
  .scene-card img{height:200px}
  .accordion{max-width:100%}
  .accordion-item button{padding:14px 16px;font-size:14px}
  .accordion-item .content{padding:0 16px 12px;font-size:13px}
  .download-inner{gap:16px}
  .download-media img{width:160px;height:160px}
  footer{padding:40px 0 24px}
  .footer-grid{gap:16px}
  .footer-brand p{font-size:13px}
  .footer-meta{gap:16px}
  .footer-security div,.footer-legal div{font-size:12px}
}
@media (max-width:390px){
  .container{padding:0 4px;width:min(1200px,100%)}
  .hero h1{font-size:26px}
  .hero p{font-size:13px}
  .section{padding:52px 0}
  .section h2{font-size:22px}
  .section-desc{font-size:12px;margin-bottom:24px}
  .feature-card{padding:18px}
  .feature-card h3{font-size:15px}
  .feature-card p{font-size:12px}
  .screen-card img{height:180px}
  .logo-name{font-size:13px}
  .logo-desc{font-size:12px}
  .partner-item{padding:12px 14px;gap:8px}
  .partner-item span{font-size:12px}
  .scene-card{padding:14px;margin-bottom:6px}
  .scene-card h3{font-size:14px}
  .scene-card p{font-size:12px}
  .accordion-item button{padding:12px 14px;font-size:13px}
  .accordion-item .content{padding:0 14px 10px;font-size:12px}
  .download-media img{width:140px;height:140px}
  footer{padding:32px 0 20px}
  .footer-grid{gap:12px}
  .footer-brand{padding-right:0}
  .footer-brand p{margin:8px 0 12px;font-size:12px}
  .footer-contact{margin-top:8px}
  .footer-contact div{font-size:11px}
  .footer-security{gap:8px}
  .footer-security div{padding:6px 0;font-size:11px}
  .footer-legal div{font-size:10px}
  .navbar{height:64px}
  .brand img{height:24px}
  .brand-text{font-size:16px}
}