:root{--bg:#F6FAFC;--white:#fff;--wash:#EAF6FA;--wash2:#EDF4F8;--brand:#25C8D1;--sky:#25B6E8;--blue:#1787DB;--deep:#174B78;--title:#183A56;--body:#31485D;--muted:#687D8E;--line:#DCE9F0;--footer:#123653;--max:1180px;--round:18px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:140px}body{margin:0;background:var(--bg);color:var(--body);font:16px/1.8 Arial,"PingFang SC","Microsoft YaHei",sans-serif}button,a{ -webkit-tap-highlight-color:transparent}a{color:#1268a8;text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:#0b5f8e}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #12a6ce;outline-offset:3px}h1,h2,h3{color:var(--title);line-height:1.38;margin:0 0 .65em;font-weight:750}h1{font-size:34px;letter-spacing:-.03em}h2{font-size:26px}h3{font-size:20px}p{margin:.2em 0 1.15em}small,.muted{color:var(--muted)}.container{width:min(calc(100% - 56px),var(--max));margin-inline:auto}.section{margin:56px 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