.langs[data-v-dafb6b81]{display:inline-flex;gap:.1rem}:root{--pine: #123528;--green: #2f6b46;--lime: #b4ce4a;--paper: #f5f3ec;--surface:#fcfbf8;--tint: #e9ecdc;--ink: #1f2a25;--muted: #5f6b64;--rule: #d8d4c7;--rule-2: #b9b4a4;--sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;--serif: Georgia, "Times New Roman", "Songti SC", "Noto Serif CJK SC", "SimSun", serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--t-xl: 1.75rem;--t-lg: 1.25rem;--t-md: 1rem;--t-sm: .875rem;--t-xs: .75rem;--page: 1120px;--edge: clamp(1rem, 3vw, 2.5rem);--ease: cubic-bezier(.2, .7, .2, 1)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;background:var(--paper)}body{margin:0;min-height:100vh;font-family:var(--sans);font-size:var(--t-md);line-height:1.6;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p,dl,dd,figure,pre{margin:0}ul,ol{margin:0;padding:0;list-style:none}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:3px}::selection{background:var(--lime);color:var(--pine)}:focus-visible{outline:2px solid var(--green);outline-offset:2px}button,input,select,textarea{font:inherit;color:inherit}.band{padding-block:2.2rem 2.6rem;border-top:1px solid var(--rule)}.band:first-of-type,main>.band:first-child{border-top:0}.band--head{padding-block:2.4rem 1.6rem}.band--tight{padding-block:1.4rem}.band--tint{padding-block:.9rem;background:var(--tint)}.wrap{max-width:var(--page);margin-inline:auto;padding-inline:var(--edge)}.head{display:grid;gap:.35rem}.head .no{font-family:var(--mono);font-size:var(--t-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--green)}.head h1{font-size:var(--t-xl);font-weight:650;line-height:1.2;letter-spacing:-.01em;color:var(--pine)}.head h2{font-size:var(--t-lg);font-weight:650;line-height:1.25;color:var(--pine)}.head .sub{margin-top:.35rem;max-width:70ch;color:var(--muted);font-size:var(--t-sm);line-height:1.6}.body{margin-top:1.4rem}.tag{font-family:var(--mono);font-size:var(--t-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.mono{font-family:var(--mono)}.dim{color:var(--muted)}.serif{font-family:var(--serif)}.topbar{position:sticky;top:0;z-index:40;background:var(--surface);border-bottom:1px solid var(--rule)}.topbar .wrap{display:flex;align-items:center;gap:.2rem;min-height:3rem}.mark{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--t-sm);font-weight:650;color:var(--pine);margin-right:1.2rem}.mark:hover{text-decoration:none}.mark em{font-style:normal;font-weight:400;color:var(--muted)}.sprite{position:absolute;width:0;height:0;overflow:hidden}.logo{fill:var(--pine);shape-rendering:crispEdges;display:block}.logo--sm{width:18px;height:18px}.logo--lg{width:36px;height:36px}.expnav{display:flex;gap:.2rem;flex-wrap:wrap;align-self:stretch}.expnav a{display:inline-flex;align-items:center;gap:.45rem;padding:0 .7rem;font-size:var(--t-sm);color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}.expnav a b{font-family:var(--mono);font-weight:400;font-size:var(--t-xs)}.expnav a:hover{color:var(--ink);text-decoration:none}.expnav a.is-active{color:var(--pine);border-bottom-color:var(--pine)}.topbar .spacer{margin-left:auto}.pagelink{font-family:var(--mono);font-size:var(--t-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:.35rem .55rem;background:transparent;border:0;cursor:pointer}.pagelink:hover{color:var(--pine);text-decoration:none}.pagelink.is-active{color:var(--pine);background:var(--tint)}@media (max-width: 720px){.expnav a span,.mark em{display:none}.band{padding-block:1.6rem 1.9rem}.band--head{padding-block:1.6rem 1.2rem}.head h1{font-size:1.5rem}.btn--big{padding:.65rem 1.2rem}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.55rem 1.1rem;border:1px solid var(--pine);cursor:pointer;font-size:var(--t-sm);font-weight:550;background:var(--pine);color:var(--paper);transition:background .15s var(--ease),color .15s var(--ease),opacity .15s}.btn:hover{background:var(--green);border-color:var(--green)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn--ghost{background:transparent;color:var(--pine)}.btn--ghost:hover{background:var(--tint);color:var(--pine)}.btn--sm{padding:.3rem .7rem;font-size:var(--t-xs)}.btn--big{padding:.75rem 1.6rem;font-size:var(--t-md)}.field{display:grid;gap:.35rem}.field>label,.field>.lbl{font-family:var(--mono);font-size:var(--t-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.input,.textarea,.select{width:100%;padding:.5rem .7rem;border:1px solid var(--rule-2);background:var(--surface);color:var(--ink)}.textarea{min-height:8rem;resize:vertical;line-height:1.6}.input--mono,.textarea--mono{font-family:var(--mono);font-size:var(--t-sm)}.input:focus,.textarea:focus,.select:focus{outline:2px solid var(--green);outline-offset:-1px;border-color:var(--green)}.chips{display:flex;flex-wrap:wrap;gap:.3rem}.chip{display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;-webkit-user-select:none;user-select:none;padding:.35rem .75rem;font-size:var(--t-sm);background:var(--surface);color:var(--ink);border:1px solid var(--rule-2);transition:background .15s var(--ease),color .15s var(--ease)}.chip:hover{border-color:var(--pine)}.chip.is-on{background:var(--pine);color:var(--paper);border-color:var(--pine)}.chip.is-off{opacity:.45;cursor:not-allowed}.chip small{font-family:var(--mono);font-size:var(--t-xs);opacity:.75}.note{font-size:var(--t-sm);color:var(--muted)}.err{background:var(--tint);color:var(--pine);border-left:3px solid var(--pine);padding:.5rem .8rem;font-size:var(--t-sm)}.lnk{background:none;border:0;padding:0;cursor:pointer;font-family:var(--mono);font-size:var(--t-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--green)}.lnk:hover{text-decoration:underline;text-underline-offset:3px}.card{background:var(--surface);border:1px solid var(--rule);padding:clamp(1rem,2.5vw,1.6rem)}.table{width:100%;border-collapse:collapse;font-size:var(--t-sm)}.table th{text-align:left;font-family:var(--mono);font-weight:400;font-size:var(--t-xs);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:.45rem .6rem;border-bottom:1px solid var(--rule-2)}.table td{padding:.5rem .6rem;border-bottom:1px solid var(--rule);vertical-align:top}.table .input,.table .select{padding:.3rem .5rem}.tablewrap{overflow-x:auto}.grid{display:grid;gap:clamp(1rem,2.5vw,1.8rem)}.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,22rem),1fr))}.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr))}.stack{display:grid;gap:1rem}.row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}.row .spacer{margin-left:auto}.foot{border-top:1px solid var(--rule);color:var(--muted);font-size:var(--t-xs);font-family:var(--mono);letter-spacing:.06em;margin-top:2rem}.foot .wrap{padding-block:1.2rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between}.foot .lnk{color:var(--muted);font:inherit;letter-spacing:inherit;opacity:.8}.foot .lnk:hover{color:var(--pine);opacity:1}