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(37,99,235,.18)}
.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}
/* 走势柱状图 */
.bar-col{display:flex;flex-direction:column;justify-content:flex-end;align-items:center}
.bar{width:26px;border-radius:8px 8px 4px 4px;background:linear-gradient(180deg,#60a5fa,#2563eb);transition:height .6s ease}
.bar.bar-hit{background:linear-gradient(180deg,#34d399,#059669)}
.bar-label{font-size:11px;color:#64748b;margin-top:6px}
.page-hero{background:linear-gradient(135deg,#eff6ff 0%,#ffffff 45%,#e0f2fe 100%)}
.news-card{transition:all .3s ease}
.news-card:hover{box-shadow:0 12px 28px -10px rgba(37,99,235,.25)}