html{scroll-behavior:smooth}
body{font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
.nav-scrolled{background:#ffffff;box-shadow:0 1px 0 0 #e5e7eb}
.ft-card{transition:all .3s ease}
.ft-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px -12px rgba(79,70,229,.2)}
.ft-card:hover .ft-icon{transform:rotate(-6deg) scale(1.06)}
.ft-icon{transition:transform .3s ease}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:#4f46e5}
.faq-arrow{transition:all .3s ease}
.t-slide{display:none;animation:fadeIn .5s ease}
.t-slide.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.t-dot{width:8px;height:8px;border-radius:9999px;background:#c7d2fe;transition:all .3s;cursor:pointer}
.t-dot.active{width:24px;background:#4f46e5}
@keyframes spin-slow{from{transform:rotate(0)}to{transform:rotate(360deg)}}
.ring-spin{animation:spin-slow 14s linear infinite}