.astro-route-announcer{position:absolute;left:0;top:0;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap;width:1px;height:1px}@layer reset,tokens,base,layout,components,utilities;@layer reset{*,*:before,*:after{box-sizing:border-box}*{margin:0;padding:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}img,svg{display:block;max-width:100%}button,input,select{font:inherit;color:inherit}button{background:none;border:0;cursor:pointer}ul,ol{list-style:none}a{color:inherit;text-decoration:none}table{border-collapse:collapse;width:100%}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}}@layer tokens{:root{--font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;--font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--step--1: clamp(.82rem, .8rem + .1vw, .88rem);--step-0: clamp(1rem, .96rem + .18vw, 1.09rem);--step-1: clamp(1.19rem, 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utilities{.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.muted{color:var(--text-3)}.center{text-align:center}.mt-l{margin-top:var(--space-l)}.mt-xl{margin-top:var(--space-xl)}}@media print{.site-header,.progress,.pager,.toc,.search-trigger,.icon-btn,.search-dialog{display:none!important}body{background:#fff;color:#000}.prose{font-size:11pt}}