:root{--paper:#f7f8f2;--white:#fff;--ink:#173c37;--muted:#6c7b74;--line:#dce4db;--green:#226851;--lime:#d8ee94;--pale:#eef3e7;--orange:#db8c58;--shadow:0 20px 65px #2646390c}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:85px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 Inter,"Microsoft YaHei",system-ui,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{outline-offset:5px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.3}h1{letter-spacing:-.055em;font-size:clamp(40px,5.1vw,66px)}h2{font-size:clamp(28px,3vw,38px);letter-spacing:-.025em}h3{font-size:21px}.wrap{width:min(1180px,calc(100% - 56px));margin:auto}.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:88px;border-bottom:1px solid 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