:root{color-scheme:light dark}
html{scroll-behavior:smooth}
body{font-family:"Songti SC","Noto Serif CJK SC","Source Han Serif SC",SimSun,serif;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font-family:inherit}
button,.btn,a{transition:transform .16s ease,box-shadow .18s ease,border-color .18s ease,background-color .18s ease,color .18s ease}
button:hover,.btn:hover{box-shadow:0 5px 18px rgba(56,47,35,.10)}
button:active,.btn:active{transform:translateY(1px)}
:focus-visible{outline:3px solid rgba(154,118,56,.38);outline-offset:2px}
::selection{background:#dfe9e4;color:#1f302b}
details>summary{cursor:pointer;user-select:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media (max-width:600px){button,.btn,input,select{min-height:44px}}