:root{color-scheme:light dark;--paper: #faf9f7;--paper-2: #f2f0eb;--paper-3: #e7e4dd;--ink: #1a1917;--ink-2: #4a463f;--ink-3: #7a7469;--rule: #ddd8ce;--accent: #a8480b;--accent-soft: #fbeee2;--risk: #a01b1b;--risk-soft: #fbeaea;--evid: #0d6d63;--evid-soft: #e3f2f0;--serif: "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC", Georgia, "Times New Roman", serif;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", Roboto, sans-serif;--mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;--measure: 68ch;--wide: 1180px;--step--1: clamp(.82rem, .79rem + .13vw, .89rem);--step-0: clamp(1rem, .96rem + .19vw, 1.09rem);--step-1: clamp(1.2rem, 1.13rem + .34vw, 1.4rem);--step-2: clamp(1.45rem, 1.32rem + .62vw, 1.8rem);--step-3: clamp(1.75rem, 1.52rem + 1.1vw, 2.4rem);--step-4: clamp(2.1rem, 1.68rem + 2vw, 3.3rem)}@media(prefers-color-scheme:dark){:root{--paper: #14130f;--paper-2: #1d1b16;--paper-3: #2a2720;--ink: #eeeae1;--ink-2: #b8b2a5;--ink-3: #8a8478;--rule: #35312a;--accent: #e2954a;--accent-soft: #2c2117;--risk: #e07272;--risk-soft: #2e1a1a;--evid: #5cbfb2;--evid-soft: #16292a}}:root[data-theme=light]{--paper: #faf9f7;--paper-2: #f2f0eb;--paper-3: #e7e4dd;--ink: #1a1917;--ink-2: #4a463f;--ink-3: #7a7469;--rule: #ddd8ce;--accent: #a8480b;--accent-soft: #fbeee2;--risk: #a01b1b;--risk-soft: #fbeaea;--evid: #0d6d63;--evid-soft: #e3f2f0}:root[data-theme=dark]{--paper: #14130f;--paper-2: #1d1b16;--paper-3: #2a2720;--ink: #eeeae1;--ink-2: #b8b2a5;--ink-3: #8a8478;--rule: #35312a;--accent: #e2954a;--accent-soft: #2c2117;--risk: #e07272;--risk-soft: #2e1a1a;--evid: #5cbfb2;--evid-soft: #16292a}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:var(--step-0);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.22;letter-spacing:-.01em;margin:0 0 .5em;text-wrap:balance}h1{font-size:var(--step-4)}h2{font-size:var(--step-3)}h3{font-size:var(--step-1)}p{margin:0 0 1em;text-wrap:pretty}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:2px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}hr{border:0;border-top:1px solid var(--rule);margin:2.5rem 0}.wrap{width:min(100% - 2.5rem,var(--wide));margin-inline:auto}.prose{width:min(100% - 2.5rem,var(--measure));margin-inline:auto}.stack>*+*{margin-top:var(--gap, 1rem)}.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;z-index:100;background:var(--paper);padding:.6rem 1rem;border:1px solid var(--ink)}section.band{padding:clamp(3rem,7vw,5.5rem) 0;border-top:1px solid var(--rule)}section.band.tint{background:var(--paper-2)}.eyebrow{font-family:var(--sans);font-size:var(--step--1);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin:0 0 .9rem;font-weight:600}.lede{font-size:var(--step-1);line-height:1.55;color:var(--ink-2)}.small{font-size:var(--step--1);color:var(--ink-3)}.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}.serif{font-family:var(--serif)}.card{background:var(--paper);border:1px solid var(--rule);border-radius:4px;padding:1.25rem 1.35rem}section.band.tint .card{background:var(--paper)}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr))}.tag{display:inline-block;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600;padding:.18em .55em;border-radius:3px;background:var(--paper-3);color:var(--ink-2);white-space:nowrap}.tag.evid{background:var(--evid-soft);color:var(--evid)}.tag.risk{background:var(--risk-soft);color:var(--risk)}.tag.accent{background:var(--accent-soft);color:var(--accent)}.btn{display:inline-flex;align-items:center;gap:.45rem;font:inherit;font-weight:600;font-size:var(--step--1);padding:.62em 1.15em;border-radius:3px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer;text-decoration:none;transition:opacity .15s}.btn:hover{opacity:.85}.btn.ghost{background:transparent;color:var(--ink)}input[type=range]{width:100%;accent-color:var(--accent);height:1.6rem;cursor:pointer}select,input:not([type]),input[type=url],input[type=password],input[type=text],input[type=email],input[type=number]{font:inherit;font-size:var(--step-0);padding:.55em .7em;border:1px solid var(--rule);border-radius:3px;background:var(--paper);color:var(--ink);width:100%;max-width:100%}.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}table{border-collapse:collapse;width:100%;font-size:var(--step--1)}th,td{text-align:left;padding:.6rem .75rem;border-bottom:1px solid var(--rule);vertical-align:top}th{font-weight:600;color:var(--ink-2);white-space:nowrap}td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}img{max-width:100%;height:auto}.src{font-size:.76rem;line-height:1.5;color:var(--ink-3)}.src a{color:var(--ink-3);text-decoration-style:dotted}.src a:hover{color:var(--accent)}.src+p,.src+h2,.src+h3{margin-top:1.5rem}.state{padding:2rem 1rem;text-align:center;color:var(--ink-3);font-size:var(--step--1);border:1px dashed var(--rule);border-radius:4px}.state.error{color:var(--risk);border-color:var(--risk);background:var(--risk-soft)}[hidden]{display:none!important}