:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#e7eef4;color:#10212e}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#e7eef4 0 62%,#dce8f0 62%)}
main{width:min(720px,calc(100% - 32px));padding:clamp(36px,8vw,88px);background:#f8fbfd;border:1px solid #c9d7e1;box-shadow:0 24px 70px rgba(30,68,93,.12)}
.mark{display:grid;place-items:center;width:48px;height:48px;background:#1769e0;color:white;border-radius:50%;font:700 24px/1 ui-monospace,monospace}
p,small{font:600 12px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.08em;text-transform:uppercase;color:#527086}
p{margin:34px 0 18px}
h1{margin:0;font-size:clamp(44px,9vw,88px);line-height:1.04;letter-spacing:-.065em;font-weight:760}
.rail{display:flex;align-items:center;gap:14px;margin:46px 0}
.rail i{height:2px;flex:1;background:#bad2e2}.rail i:last-child{flex:.18;background:#1769e0}.rail b{color:#1769e0;font:700 24px ui-monospace,monospace}