:root{
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,"Times New Roman",serif;
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --bg:#f6f1e7;
  --bg-soft:#fbf7f0;
  --surface:#fffdf8;
  --surface-2:#f0e9dc;
  --surface-3:#e8decd;
  --border:#e0d5c2;
  --border-strong:#c9b99c;
  --text:#40382c;
  --text-muted:#8d8071;
  --text-faint:#b5a992;
  --primary:#a9773c;
  --primary-strong:#8f6231;
  --primary-soft:rgba(169,119,60,.12);
  --accent:#c8a14f;
  --success:#6f9357;
  --warning:#c98f3e;
  --danger:#c0633f;
  --info:#5f7f9e;
  --shadow-sm:0 1px 2px rgba(96,72,30,.05),0 2px 8px rgba(96,72,30,.04);
  --shadow-md:0 4px 16px rgba(96,72,30,.08),0 12px 32px rgba(96,72,30,.06);
  --shadow-lg:0 24px 64px rgba(70,52,20,.16);
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --radius-full:999px;
  --nav-height:68px;
  --backdrop:rgba(246,241,231,.82);
}
[data-theme="dark"]{
  --bg:#221f1a;
  --bg-soft:#28241e;
  --surface:#2d2821;
  --surface-2:#38322a;
  --surface-3:#453d32;
  --border:#423a2f;
  --border-strong:#5a4f40;
  --text:#ede6d8;
  --text-muted:#a29584;
  --text-faint:#6f6455;
  --primary:#d9a55c;
  --primary-strong:#e8bc7f;
  --primary-soft:rgba(217,165,92,.14);
  --accent:#b98a3f;
  --success:#93b47b;
  --warning:#dba554;
  --danger:#d58366;
  --info:#7d9dbc;
  --shadow-sm:0 1px 2px rgba(0,0,0,.28);
  --shadow-md:0 6px 20px rgba(0,0,0,.34);
  --shadow-lg:0 24px 64px rgba(0,0,0,.48);
  --backdrop:rgba(34,31,26,.82);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  transition:background-color .35s ease,color .35s ease;
}
h1,h2,h3,h4,h5{font-family:var(--font-serif);font-weight:600;line-height:1.4;color:var(--text)}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-strong)}
img{max-width:100%;display:block}
input,select,textarea,button{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
ul,ol{list-style:none}
::selection{background:var(--primary-soft)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:8px;border:2px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:var(--text-faint);background-clip:content-box}
.container{max-width:1280px;margin:0 auto;padding:0 24px}