:root{--navy:#1e3a5f;--coral:#d46455;--cream:#f5f3ee;--white:#fff;--ink:#22303f;--muted:#5b6b7a;--line:#e3ddd2}*{box-sizing:border-box}html,body{margin:0;padding:0}html{scroll-behavior:smooth}:focus-visible{outline:3px solid var(--coral);outline-offset:2px;border-radius:4px}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}body{color:var(--ink);background:var(--cream);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,PingFang SC,Microsoft YaHei,sans-serif;font-size:17px;line-height:1.6}h1,h2,h3{color:var(--navy);margin:0 0 .4em;line-height:1.2}h1{font-size:40px}h2{font-size:28px}h3{font-size:22px}a{color:var(--coral);text-decoration:none}.wrap{max-width:980px;margin:0 auto;padding:0 22px}header.nav{z-index:20;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid 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