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:root{--paper:#f7f7f0;--white:#fffefa;--ink:#242e28;--muted:#68726a;--green:#155c4b;--pale:#eaf0e8;--line:#dfe3d8;--orange:#bc692a;--serif:Georgia,"Songti SC","STSong",serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button,a,input,summary{outline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--green)}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.35}h2{font-size:25px;letter-spacing:-.5px}h3{font-size:18px}.topbar{max-width:1320px;margin:auto;height:100px;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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@media(min-width:1440px){.hero h1{font-size:53px}.hero{gap:80px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}