:root{--app-primary-color:#3b82f6;--app-primary-dark:#2563eb;--app-primary-soft:#e8f1ff;--app-navy:#0b1f3a;--app-bg-hero:#eef6ff;--app-bg-light:#f5f8fc;--app-text-primary:#0f2744;--app-text-regular:#5a6b80;--app-text-secondary:#8b97a8;--app-border-soft:#e4eef9}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body,html{width:100%;overflow-x:hidden}body{color:var(--app-text-primary);background-color:#fff;font-family:Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif}.page-container{max-width:1200px;margin:0 auto;padding:0 20px}.section{padding:60px 0}@media (width<=768px){.section{padding:40px 0}}