@charset "UTF-8";
:root{--paper:#f5f4f0;--white:#fffefa;--ink:#313b43;--heading:#253744;--muted:#6e797e;--line:#d7dbd7;--blue:#315fbe;--teal:#647f7d;--sand:#e9e6de;--steel:#e7ecec;--copper:#967f67;--radius-xs:2px;--radius-sm:4px;--radius-md:6px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;font-size:15px;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit}img{display:block;max-width:100%;height:auto}figure{margin:0}h1,h2,h3,p{margin:0}h1,h2,h3{color:var(--heading);font-weight:600;line-height:1.42}h2{font-size:34px;letter-spacing:-1px}h3{font-size:19px}p{color:var(--muted)}a,button{-webkit-tap-highlight-color:transparent}a:hover{color:var(--blue)}a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:#d2def4}.shell{width:calc(100% - 112px);max-width:1340px;margin:auto}.inset{width:calc(100% - 192px);max-width:1210px;margin:auto}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:600;line-height:1.6;color:var(--teal);text-transform:uppercase}.eyebrow 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