:root{--brand:#c6532d;--brand-hover:#a94021;--paper:#fffefc;--warm:#fff3e3;--apricot:#ffe3c5;--ink:#493d38;--muted:#786b65;--line:#ebddd3;--blue:var(--brand);--blue-hover:var(--brand-hover);--cyan:#e8a16e;--surface-soft:#fff9f2;--surface-selected:#ffead8;--shell:1344px;--radius:18px;--site-width:100%;--site-gutter:clamp(24px, 3.5vw, 64px);--site-inset:var(--site-gutter);--header-height:84px;--control-height:52px;--control-radius:12px;--panel-radius:24px;--panel-shadow:0 12px 40px #78421b10;--button-shadow:0 8px 20px #c6532d20;--dialog-shadow:0 30px 100px #512d1940;--focus-ring:0 0 0 4px #c6532d1a}@media (max-width:780px){:root{--site-gutter:20px;--header-height:68px}}
*{box-sizing:border-box}body{color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,Noto Sans SC,Microsoft YaHei,Arial,sans-serif}button,input{font:inherit}button{cursor:pointer}a{color:inherit}img{max-width:100%}section[id]{scroll-margin-top:24px}