:root{--bg:#ecede3;--ink:#2d3630;--accent:#6b7350;--panel:color-mix(in srgb,var(--bg) 93%,var(--ink));--muted:color-mix(in srgb,var(--ink) 70%,var(--bg));--line:color-mix(in srgb,var(--ink) 20%,var(--bg));--on:#ffffff;--font:Consolas,"Microsoft YaHei",monospace;--width:1120px;--cols:4;--radius:12px;color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:25px}
body{margin:0;background:var(--bg);color:var(--ink);font:calc(14px*var(--reading-scale,1))/1.75 var(--font);overflow-wrap:anywhere}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
button,input,select,textarea{font-family:inherit;color:inherit;max-width:100%}
button,a,input,select,textarea{touch-action:manipulation}
button{cursor:pointer}
img{max-width:100%;display:block}
h1,h2,h3,p,figure,blockquote,dl,dd{margin:0}
h1,h2,h3{line-height:1.3}
h1{font-size:clamp(30px,4.2vw,65px);letter-spacing:-.035em}
h2{font-size:clamp(20px,2.5vw,32px)}
h3{font-size:17px}
p{line-height:1.92}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.scda06bd1b-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.scda06bd1b-skip{position:absolute;left:15px;top:-100px;z-index:100;background:var(--accent);color:var(--on);padding:15px}
.scda06bd1b-skip:focus{top:15px}
.scda06bd1b-masthead{padding:27px 39px;border-bottom:1px solid var(--line)}
.scda06bd1b-mastbar{max-width:var(--width);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:30px}
.scda06bd1b-brand{display:flex;align-items:center;gap:15px;max-width:340px}
.scda06bd1b-brand img{flex-shrink:0}
.scda06bd1b-brand strong{font-size:20px;line-height:1.3;display:block}
.scda06bd1b-brand small{display:block;font-size:9px;line-height:1.87;color:var(--muted);margin-top:6px}
.scda06bd1b-nav{display:flex;gap:24px;flex-wrap:wrap;align-items:center}
.scda06bd1b-nav a{font-size:12px;white-space:nowrap;padding:8px 0}
.scda06bd1b-search{display:flex;border:1px solid var(--line);background:var(--panel);max-width:280px;min-width:0}
.scda06bd1b-search label{flex:1;min-width:0}
.scda06bd1b-search input{width:100%;padding:15px;border:0;background:transparent;font-size:11px;min-width:0}
.scda06bd1b-search button{border:0;border-left:1px solid var(--line);padding:12px;background:transparent;color:var(--accent);white-space:nowrap}
.scda06bd1b-focus-mode .scda06bd1b-masthead,.scda06bd1b-focus-mode .scda06bd1b-site-footer{display:none}
.scda06bd1b-site-footer{width:min(var(--width),calc(100% - 64px));margin:73px auto 0;border-top:1px solid var(--line);padding:36px 0;display:flex;justify-content:space-between;align-items:start;gap:36px}
.scda06bd1b-site-footer nav{display:flex;gap:22px;flex-wrap:wrap;font-size:10px}
.scda06bd1b-site-footer p{font-size:10px;color:var(--muted);max-width:460px}
.scda06bd1b-site-footer small{display:block;font-size:9px;color:var(--muted);margin-top:12px}
.scda06bd1b-site-footer>header{width:100%;display:flex;justify-content:space-between;gap:24px}
.scda06bd1b-site-footer>section{max-width:650px}
@media(max-width:1000px){.scda06bd1b-mastbar{flex-wrap:wrap}
.scda06bd1b-mastbar>.scda06bd1b-nav{order:3;width:100%;justify-content:center}
.scda06bd1b-site-footer{flex-wrap:wrap}}
@media(max-width:760px){.scda06bd1b-masthead{padding:20px 18px}
.scda06bd1b-brand strong{font-size:18px}
.scda06bd1b-brand small{font-size:9px}
.scda06bd1b-brand img{width:31px;height:31px}
.scda06bd1b-nav{gap:18px;flex-wrap:nowrap;overflow:auto}
.scda06bd1b-nav a{font-size:11px}
.scda06bd1b-mastbar>.scda06bd1b-nav{justify-content:start}
.scda06bd1b-site-footer{width:calc(100% - 32px);display:block;margin-top:45px}
.scda06bd1b-site-footer>div,.scda06bd1b-site-footer>nav{margin-top:25px}
.scda06bd1b-site-footer>header{display:block}
.scda06bd1b-site-footer>header>nav{margin-top:20px}
.scda06bd1b-site-footer>section+nav{margin-top:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
*{transition:none!important}}
[data-card][hidden]{display:none!important}
.scda06bd1b-jump-open{font-family:inherit;font-size:10px;line-height:1.7;padding:10px 13px;border:1px solid var(--line);color:var(--ink);background:var(--panel);cursor:pointer}
.scda06bd1b-page-jump{width:min(560px,90vw);max-height:80vh;padding:29px;background:var(--bg);color:var(--ink);border:1px solid var(--line);overflow:auto}
.scda06bd1b-page-jump::backdrop{background:#0008}
.scda06bd1b-page-jump header{display:flex;justify-content:space-between;align-items:center;gap:18px}
.scda06bd1b-page-jump h2{font-size:20px}
.scda06bd1b-page-jump button{font:inherit;background:var(--panel);color:var(--ink);border:1px solid var(--line);padding:8px 15px}
.scda06bd1b-page-jump nav{display:grid;gap:10px;margin-top:24px}
.scda06bd1b-page-jump nav a{padding:12px;border-bottom:1px solid var(--line)}
@media(max-width:650px){.scda06bd1b-source-tabs{overflow:auto;max-width:100%}}
.scda06bd1b-source-tabs{display:flex;gap:11px;flex-wrap:wrap;margin:19px 0}
.scda06bd1b-source-tabs button{font-family:inherit;font-size:11px;line-height:1.6;background:var(--panel);color:var(--ink);border:1px solid var(--line);padding:12px 17px;cursor:pointer}
.scda06bd1b-source-tabs button[aria-selected=true],.scda06bd1b-source-tabs button[aria-pressed=true]{background:var(--accent);color:var(--on)}
.scda06bd1b-jump-open{margin:16px 32px}