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:root{--ink:#152e39;--muted:#62747b;--navy:#102f3b;--teal:#087f80;--mint:#70d9c9;--line:#dce5e8;--paper:#fff;--soft:#f3f7f8;--max:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.85}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img{max-width:100%;display:block}p,h1,h2,h3{margin-top:0}p{color:var(--muted)}h1,h2,h3{line-height:1.45;font-weight:600}h1{font-size:clamp(2.2rem,4.2vw,3.8rem);letter-spacing:-.045em}h2{font-size:clamp(1.8rem,2.8vw,2.6rem);letter-spacing:-.025em}h3{font-size:1.35rem}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #e7a52f;outline-offset:6px}.wrap{width:min(var(--max),calc(100% - 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}