@keyframes drift-slow{0%{transform:translate(0,0) scale(1)}50%{transform:translate(30px,40px) scale(1.1)}to{transform:translate(-20px,20px) scale(.95)}}@keyframes pulse-dot{0%{box-shadow:0 0 0 0 rgba(16,185,129,.4)}70%{box-shadow:0 0 0 6px transparent}to{box-shadow:0 0 0 0 transparent}}@keyframes sweep{0%{background-position:-200%0}to{background-position:200%0}}@keyframes screen-glare-sweep{0%,60%{background-position:200%0}to{background-position:-200%0}}@keyframes phone-float-3d{0%,to{transform:rotateY(-12deg) rotateX(4deg) translateY(0)}50%{transform:rotateY(-12deg) rotateX(4deg) translateY(-16px)}}@keyframes float-icon-1{0%,to{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-14px) rotate(5deg)}}@keyframes float-icon-2{0%,to{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-10px) rotate(-5deg)}}@keyframes float-icon-3{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-12px) scale(1.05)}}@keyframes float-slow{0%{transform:translateY(0) translateX(0)}to{transform:translateY(-12px) translateX(8px)}}.hero{position:relative;overflow:hidden;padding:0;min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;background-color:#fcfcfd}.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}.hero-blur-circle{position:absolute;border-radius:50%;filter:blur(100px);opacity:.6;animation:drift-slow 20s ease-in-out infinite alternate;will-change:transform;contain:layout style}.hb-1{width:600px;height:600px;background:#e0e7ff;top:-200px;left:-100px}.hb-2{width:800px;height:800px;background:#dbeafe;bottom:-300px;right:-200px;animation-delay:-5s}.hb-3{width:500px;height:500px;background:#f3e8ff;top:30%;left:50%;margin-left:-250px;animation-delay:-10s}.hero-noise{position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");opacity:.04;mix-blend-mode:overlay;pointer-events:none}.hero-layout{position:relative;z-index:1;display:flex;justify-content:center;gap:240px;align-items:center;padding-top:80px;padding-bottom:40px;min-height:100vh;min-height:100dvh}.hero-content{max-width:540px;text-align:left}.hero-badge{position:relative;display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(255,255,255,.5);border:1px solid rgba(0,0,0,.05);border-radius:999px;font-size:13px;font-weight:600;color:#475569;margin-bottom:24px;backdrop-filter:blur(12px);box-shadow:inset 0 1px 1px rgba(255,255,255,.9),0 4px 12px rgba(0,0,0,.02)}.badge-dot{width:6px;height:6px;border-radius:50%;background:#10b981;box-shadow:0 0 0 2px rgba(16,185,129,.2);animation:pulse-dot 2s infinite}.badge-glow{position:absolute;inset:-1px;border-radius:999px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.8),transparent);background-size:200% 100%;animation:sweep 3s linear infinite;pointer-events:none;mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;padding:1px}.hero-title{font-family:var(--font-cn);font-size:60px;font-weight:900;line-height:1.1;letter-spacing:-.04em;color:#0f172a;margin-bottom:24px}.hero-title-accent{background:linear-gradient(120deg,#1d4ed8 0%,#3b82f6 40%,#e0e7ff 50%,#3b82f6 60%,#8b5cf6 100%);background-size:200% auto;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:text-shine 4s linear infinite}@keyframes text-shine{0%{background-position:200% center}to{background-position:-200% center}}.hero-desc{font-size:18px;line-height:1.6;color:#475569;margin-bottom:40px;max-width:580px}.hide-mobile{display:block}.hero-actions{display:flex;justify-content:flex-start;margin-bottom:48px;gap:12px}.btn-hero-primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:#0f172a;color:#fff;padding:16px 36px;border-radius:999px;font-size:16px;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 8px 24px rgba(15,23,42,.2),inset 0 1px 0 rgba(255,255,255,.1)}.btn-hero-primary:hover{background:#1e293b;transform:translateY(-2px);box-shadow:0 12px 32px rgba(15,23,42,.3),inset 0 1px 0 rgba(255,255,255,.15);color:#fff}.btn-hero-primary svg{transition:transform .3s ease}.btn-hero-primary:hover svg,.tutorial-card:hover .tutorial-card-arrow{transform:translateX(4px)}.mobile-sticky-cta{display:none}@media (max-width:768px){.mobile-sticky-cta.hide-desktop{display:flex;position:fixed;bottom:0;left:0;right:0;padding:16px 20px 24px;background:0 0;backdrop-filter:none;-webkit-backdrop-filter:none;border-top:none;z-index:100;box-shadow:none}}
.btn-sticky-primary{
  display:flex;
  width:100%;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:#2563eb;
  color:#fff;
  padding:16px 24px;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  text-decoration:none;
  box-shadow:0 8px 24px -6px rgba(37,99,235,.4);
  transition:all .3s ease;
}
.btn-sticky-primary:active{
  transform:scale(.98);
  background:#1d4ed8;
}.hero-qr-box{display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:12px 24px 12px 12px;border-radius:24px;border:1px solid rgba(255,255,255,.8);box-shadow:inset 0 1px 1px rgba(255,255,255,.9),inset 0 -1px 1px rgba(255,255,255,.3),0 12px 32px rgba(15,23,42,.05)}.qr-wrapper{background:#fff;padding:8px;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,.04)}.qr-img{width:80px;height:80px;display:block;object-fit:cover}.qr-text{display:flex;flex-direction:column;gap:4px}.feature-card h3,.payment-card span,.qr-title{font-size:15px;font-weight:700;color:var(--text-primary)}.qr-desc{font-size:13px;color:var(--text-tertiary)}.hide-desktop{display:none}.hero-trust,.trust-item{display:flex;align-items:center}.hero-trust{justify-content:flex-start;gap:24px}.trust-item{gap:8px;font-size:14px;font-weight:500;color:#64748b}.trust-item 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ease-in-out infinite}.fi-check{top:30%;left:-20px;background:linear-gradient(135deg,#10b981,#34d399);width:44px;height:44px;border-radius:50%;animation:float-icon-3 5s ease-in-out infinite}.floating-glass-card{position:absolute;display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.7);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.9);padding:14px 20px;border-radius:20px;box-shadow:0 16px 32px rgba(15,23,42,.08),inset 0 1px 0#fff;z-index:10}.fc-1{top:15%;right:-40px;animation:float-slow 7s ease-in-out infinite alternate}.fc-2{bottom:30%;left:-60px;animation:float-slow 9s ease-in-out infinite alternate-reverse}.fc-icon{width:36px;height:36px;border-radius:50%;background:#10b981;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(16,185,129,.3)}.fc-icon-blue{background:#2563eb;box-shadow:0 4px 12px 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h3{font-size:18px;margin-bottom:10px}.feature-card p,.step-content p{font-size:14px;line-height:1.65;color:var(--text-tertiary)}.payment-methods{padding:96px 0;background:var(--bg-secondary)}.payment-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:720px;margin:0 auto}.payment-card{background:var(--bg-primary);border-radius:var(--radius-xl);padding:28px 20px;text-align:center;border:1px solid var(--gray-200);transition:all .3s var(--ease-out)}.payment-card:hover,.step-card:hover{border-color:var(--primary-lighter);box-shadow:var(--shadow-md);transform:translateY(-3px)}.payment-icon{width:64px;height:64px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;margin:0 auto 14px}.payment-alipay,.payment-bank{background:#eff6ff;color:#2563eb}.payment-alipay{color:#1677ff}.payment-wechat{background:#f0fdf4;color:#22c55e}.payment-digital{background:#fef2f2;color:#ef4444}.payment-card span{font-size:14px;font-weight:600}.how-it-works{padding:96px 0;background:var(--bg-primary)}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.step-card{background:var(--bg-primary);border:1px solid var(--gray-200);border-radius:var(--radius-xl);padding:32px 28px;transition:all .3s var(--ease-out)}.step-card:hover{box-shadow:var(--shadow-lg)}.step-number{font-family:var(--font-en);font-size:40px;font-weight:700;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-lighter) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:16px;line-height:1}.step-content h3{font-size:18px;font-weight:700;margin-bottom:8px}.security-section{padding:96px 0;background:var(--bg-secondary)}.security-layout{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}.security-text .section-title{text-align:left}.security-text .section-desc{margin-bottom:28px}.security-cards{display:flex;flex-direction:column;gap:16px}.sec-card{background:var(--bg-primary);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:20px 24px;display:flex;align-items:flex-start;gap:16px;transition:all .3s var(--ease-out)}.sec-card:hover{border-color:var(--primary-lighter);box-shadow:var(--shadow-md);transform:translateX(4px)}.sec-card-icon{width:44px;height:44px;min-width:44px;border-radius:var(--radius-md);background:var(--primary-bg);display:flex;align-items:center;justify-content:center}.sec-card h4{font-size:15px;font-weight:600;margin-bottom:4px}.sec-card p,.tutorial-card p{font-size:13px;line-height:1.6;color:var(--text-tertiary)}.tutorial-preview{padding:96px 0;background:var(--bg-primary)}.tutorial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tutorial-card{background:var(--bg-primary);border:1px solid var(--gray-200);border-radius:var(--radius-xl);padding:28px 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.3s}.tutorial-card-cta{background:var(--primary-bg);border-color:transparent}.tutorial-card-cta:hover{background:var(--primary);border-color:transparent;box-shadow:var(--shadow-blue-lg)}.tutorial-card-cta:hover .tutorial-card-arrow,.tutorial-card-cta:hover h3,.tutorial-card-cta:hover p{color:#fff}.tutorial-card-cta:hover .tutorial-card-icon{background:rgba(255,255,255,.2);color:#fff}.bottom-cta{padding:96px 0;background:var(--bg-primary)}.cta-card{background:linear-gradient(135deg,var(--primary) 0%,#1e40af 50%,#312e81 100%);border-radius:var(--radius-2xl);padding:64px 48px;text-align:center;position:relative;overflow:hidden}.cta-card::after,.cta-card::before{content:"";position:absolute;border-radius:50%;pointer-events:none}.cta-card::before{top:-50%;right:-20%;width:500px;height:500px;background:rgba(255,255,255,.05)}.cta-card::after{bottom:-30%;left:-10%;width:400px;height:400px;background:rgba(255,255,255,.03)}.cta-card 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