:root{--paper:#F6F2EA;--sheet:#FFFDF8;--ink:#1E2329;--graphite:#5C626B;--indigo:#2E4A6B;--cinnabar:#B5402C;--hair:#E4DED3}
@media (prefers-color-scheme:dark){:root{--paper:#14161A;--sheet:#1E2126;--ink:#ECE7DF;--graphite:#A6ACB4;--indigo:#93ABCF;--hair:#2C3036}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Hiragino Sans","Apple SD Gothic Neo","PingFang TC",system-ui,sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 22px 64px}
h1,h2{font-family:"New York",ui-serif,Georgia,"Hiragino Mincho ProN",serif;font-weight:600;line-height:1.2}
h1{font-size:40px;margin:.2em 0 .3em}h2{font-size:24px;margin:1.8em 0 .4em}
p,li{color:var(--ink)}.muted{color:var(--graphite)}
a{color:var(--indigo)}
.seal{display:inline-block;width:14px;height:14px;border-radius:50%;background:var(--cinnabar);vertical-align:middle;margin-right:8px}
.brand{font-weight:600;letter-spacing:.02em;text-decoration:none;color:var(--ink)}
nav{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:32px;font-size:15px}
.card{background:var(--sheet);border:1px solid var(--hair);border-radius:18px;padding:22px 24px;margin:18px 0}
footer{margin-top:56px;font-size:14px;color:var(--graphite);border-top:1px solid var(--hair);padding-top:18px}
ul{padding-left:1.2em}