*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#1a1a2e;background:#fff}.hero-section{background:linear-gradient(135deg,#667eea,#764ba2);min-height:520px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;position:relative;overflow:hidden}.hero-section:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.08) 0%,transparent 70%);animation:float 15s ease-in-out infinite}@keyframes float{0%,to{transform:translate(0) rotate(0)}33%{transform:translate(30px,-30px) rotate(5deg)}66%{transform:translate(-20px,20px) rotate(-3deg)}}.feature-card{border-radius:12px;padding:32px 24px;text-align:center;transition:transform .3s ease,box-shadow .3s ease;background:#fff;border:1px solid #f0f0f0}.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px #0000001a}.feature-card .anticon{font-size:40px;margin-bottom:16px}.pricing-card{border-radius:16px;padding:32px 24px;text-align:center;transition:transform .3s ease,box-shadow .3s ease;background:#fff;border:1px solid #f0f0f0;position:relative;overflow:hidden}.pricing-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px #667eea26}.pricing-card.popular{border:2px solid #667eea}.pricing-card .badge{position:absolute;top:16px;right:-32px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:4px 40px;font-size:12px;font-weight:600;transform:rotate(45deg)}.pricing-card .price{font-size:48px;font-weight:700;color:#1a1a2e;line-height:1;margin:16px 0 4px}.pricing-card .period{font-size:16px;color:#8c8c8c;margin-bottom:16px}.download-section{background:#f7f8fc;padding:80px 0}.download-card{border-radius:12px;padding:32px;text-align:center;background:#fff;border:1px solid #f0f0f0;transition:transform .3s ease}.download-card:hover{transform:translateY(-2px)}.download-card.available{border-color:#667eea}.cta-section{background:linear-gradient(135deg,#667eea,#764ba2);padding:80px 0;text-align:center;color:#fff}.docs-page{padding:60px 0;min-height:calc(100vh - 144px)}.docs-step-card{border-radius:12px;padding:24px;height:100%}.section{padding:80px 0}.section-title{text-align:center;margin-bottom:48px}.section-title h2{font-size:32px;font-weight:700;margin-bottom:12px;color:#1a1a2e}.section-title p{font-size:16px;color:#8c8c8c}.site-footer{background:#1a1a2e;color:#ffffffa6;padding:40px 0 24px;text-align:center}.site-footer a{color:#ffffffd9;text-decoration:none}.site-footer a:hover{color:#667eea}.site-header{position:sticky;top:0;z-index:1000;background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid #f0f0f0}.site-header .logo{font-size:20px;font-weight:700;color:#1a1a2e;display:flex;align-items:center;gap:8px}.site-header .logo span{background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.payment-qr-container{text-align:center;padding:24px 0}.payment-qr-container img{max-width:240px;margin:16px auto}@media(max-width:768px){.hero-section{min-height:400px;padding:40px 16px}.section{padding:48px 16px}.pricing-card .price{font-size:36px}}
