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}
.card-hover{transition:all .3s ease}
.card-hover:hover{transform:translateY(-6px);box-shadow:0 20px 40px -12px rgba(79,70,229,.18);border-color:#c7d2fe}
/* 序号步骤卡 */
.step-num{transition:all .3s ease}
.step-card:hover .step-num{background:#4f46e5;color:#ffffff}
.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)}
.faq-arrow{transition:transform .3s ease}
/* 走势柱状条 */
.bar{transition:height .6s ease}
.bar:hover{opacity:.85}
.dist-bar{transition:width .8s ease}
.page-hero{background:linear-gradient(180deg,#eef2ff 0%,#ffffff 100%)}