:root{color-scheme:light;--page:#F6F8F8;--paper:#FFFFFF;--light:#EAF0F2;--navy:#122E3B;--panel:#1A4050;--teal:#168E96;--link:#226D9D;--title:#193946;--body:#374D58;--muted:#647981;--line:#D9E3E6;--footer:#0C2632}*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;background:var(--page);color:var(--body);font:16.5px/1.8 Arial,'PingFang SC','Microsoft YaHei',sans-serif;overflow-wrap:break-word}a{color:var(--link);text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--teal)}a:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:3px}p{margin:0 0 1.15em}h1,h2,h3{color:var(--title);line-height:1.3;margin:0 0 .7em;font-weight:750}h1{font-size:clamp(34px,3.1vw,42px);letter-spacing:-.025em}h2{font-size:clamp(24px,2.2vw,28px);margin-top:0}h3{font-size:20px}ul,ol{padding-left:1.5em}li{margin-bottom:.55em}strong{color:var(--title)}.container{width:min(100% - 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