:root{--bg:#0c0b09;--panel:#11100d;--line:#2a2620;--line2:#1c1a16;--fg:#e6e0d4;--muted:#8e877a;--dim:#5a554b;--amber:#f2a93b;--amber-d:#3b2810;--amber-m:#6b4614;--mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,"Noto Sans SC",monospace;--sans:"IBM Plex Sans","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 72px)}:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}body{background:var(--bg);color:var(--fg);font-family:var(--sans);margin:0;font-size:15px;line-height:1.75}body:before{content:"";height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg);position:fixed;inset:0 0 auto}a{color:var(--amber)}:focus-visible{outline:1px dashed var(--amber);outline-offset:2px}.pad{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}.bar{top:env(safe-area-inset-top,0px);z-index:6;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);font-family:var(--mono);background:#0c0b09f0;position:sticky}.bar .in{align-items:center;gap:16px;max-width:1200px;margin:0 auto;padding-block:10px;display:flex}.logo{letter-spacing:.02em;color:var(--fg);align-items:center;font-size:14px;font-weight:700;line-height:1;text-decoration:none;display:inline-flex}.logo i{background:var(--amber);width:.55em;height:1em;margin-left:.12em;animation:1.1s step-end infinite blink;display:inline-block}@keyframes blink{50%{opacity:0}}@media (prefers-reduced-motion:reduce){.logo i{animation:none}}.bar .sp{flex:1}.lang{flex:none;gap:2px;display:flex}.lang button{color:var(--muted);font:inherit;cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;padding:2px 8px;font-size:12px}.lang button[aria-pressed=true]{border-color:var(--amber);color:var(--amber)}.back{background:var(--amber);color:#1a1206;white-space:nowrap;padding:6px 14px;font-size:12.5px;font-weight:600;text-decoration:none}.back:hover{filter:brightness(1.08)}.lay{grid-template-columns:220px minmax(0,760px);justify-content:center;gap:56px;max-width:1200px;margin:0 auto;padding-top:44px;padding-bottom:80px;display:grid}.toc{font-family:var(--mono);border-left:1px solid var(--line2);flex-direction:column;align-self:start;gap:2px;font-size:12px;display:flex;position:sticky;top:90px}.toc b{color:var(--dim);letter-spacing:.12em;text-transform:uppercase;padding:0 0 8px 14px;font-size:11px;font-weight:500}.toc a{color:var(--muted);border-left:1px solid #0000;margin-left:-1px;padding:4px 0 4px 14px;line-height:1.4;text-decoration:none}.toc a:hover{color:var(--fg)}.toc a.on{color:var(--amber);border-left-color:var(--amber)}@media (width<=1100px){.lay{grid-template-columns:minmax(0,760px)}.toc{display:none}}article{min-width:0}.eyebrow{font-family:var(--mono);letter-spacing:.16em;color:var(--amber);text-transform:uppercase;margin:0 0 10px;font-size:11.5px}h1{letter-spacing:-.01em;margin:0 0 14px;font-size:36px;font-weight:700;line-height:1.2}.meta{font-family:var(--mono);color:var(--muted);border-bottom:1px solid var(--line);margin-bottom:10px;padding-bottom:26px;font-size:12.5px}.meta b{color:var(--fg);font-weight:500}article h2{letter-spacing:-.005em;margin:42px 0 12px;font-size:21px;font-weight:700}article h3{margin:26px 0 8px;font-size:16px;font-weight:600}article p{color:#cfc8ba;margin:0 0 14px}article strong{color:var(--fg);font-weight:600}article ol,article ul{color:#cfc8ba;margin:0 0 14px;padding-left:22px}article li{margin:6px 0}article li>ul,article li>ol{margin:8px 0 4px}article li>ol li{margin:8px 0}article li::marker{color:var(--dim)}article code{font-family:var(--mono);background:var(--panel);border:1px solid var(--line);color:var(--fg);padding:1px 6px;font-size:.88em}.tw{border:1px solid var(--line);background:var(--panel);margin:6px 0 18px;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13.5px}th,td{text-align:left;border-bottom:1px solid var(--line2);vertical-align:top;padding:9px 12px}th{font-family:var(--mono);color:var(--dim);letter-spacing:.06em;border-bottom-color:var(--line);font-size:11.5px;font-weight:500}tr:last-child td{border-bottom:0}td{color:#cfc8ba}.num td:nth-child(2),.num td:nth-child(3),.num2 td:nth-child(n+2){font-family:var(--mono);white-space:nowrap;font-size:12.5px}.pin{border-left:2px solid var(--amber);background:var(--amber-d);margin:0 0 14px;padding:12px 16px;color:var(--fg)!important}.end .soc{gap:18px;display:flex}.end{border-top:1px solid var(--line);font-family:var(--mono);flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:46px;padding-top:22px;font-size:12px;display:flex}.end a{color:var(--muted);text-decoration:none}.end a:hover{color:var(--amber)}@media (width<=600px){h1{font-size:28px}body{font-size:14.5px}article h2{font-size:19px}}
.doc-status,.section-note{padding:14px 16px;border-left:2px solid var(--amber);background:var(--panel);color:var(--muted);font-size:13px}.doc-status{margin:24px 0}.tw code{overflow-wrap:anywhere;word-break:break-word}.doc-version{color:var(--muted);font-size:12px}.bar .social{text-decoration:none;font-size:18px;color:var(--fg)}