:root{--bg:#ffffff;--paper:#ffffff;--ink:#222222;--muted:#777777;--line:#ebebeb;--accent:#333333;--wash:#f5f5f5;--ease:cubic-bezier(.22,1,.36,1);color-scheme:light}html[data-theme=dark]{--bg:#181818;--paper:#202020;--ink:#e5e5e5;--muted:#999999;--line:#333333;--accent:#d0d0d0;--wash:#242424;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;transition:background .35s,color .35s;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{color:inherit}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}::selection{background:var(--accent);color:var(--bg)}.shell{width:min(760px,calc(100% 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.list-intro{padding:30px 0 26px;border-bottom:1px solid var(--line)}.list-intro h1{margin:0;font:400 14px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--muted);letter-spacing:0;overflow-wrap:anywhere}

/* Shared heading for category lists and standalone pages. */
.page-main{padding-top:0}.page-heading,.home-intro{padding:42px 0 34px;margin:0}.page-heading h1,.home-intro p{margin:0;color:var(--ink);font:500 32px/1.5 Georgia,"Songti SC",SimSun,serif;letter-spacing:.025em;overflow-wrap:anywhere}
@media(max-width:600px){.page-heading,.home-intro{padding:32px 0 26px}.page-heading h1,.home-intro p{font-size:28px}}