:root { font-family: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; color: #111318; background: #f8f5ef; }
* { box-sizing: border-box; }
body { min-width: 320px; min-height: 100vh; margin: 0; display: flex; flex-direction: column; overflow-x: hidden; }
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 36px)); margin-inline: auto; }
.site-header { border-bottom: 1px solid rgba(17,19,24,.1); background: #fff; }
.nav { display: flex; min-height: 72px; align-items: center; justify-content: space-between; gap: 24px; }
.brand { font-size: 20px; font-weight: 800; text-decoration: none; }
.nav-links a, .footer a { display: inline-flex; min-height: 44px; align-items: center; font-weight: 700; }
.page { flex: 1; padding-block: clamp(64px,12vw,140px); }
.eyebrow { margin: 0 0 16px; color: #c80f17; font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1 { max-width: 12em; margin: 0; font-size: clamp(38px,7vw,76px); line-height: 1.06; letter-spacing: -.05em; }
.page-copy { max-width: 680px; margin-top: 28px; color: #47484d; font-size: 16px; line-height: 1.85; }
.site-footer { margin-top: auto; background: #111318; color: #d5d7dc; }
.footer { display: flex; min-height: 88px; align-items: center; }
:focus-visible { outline: 3px solid #e5161e; outline-offset: 4px; }