:root{--wk-rule: #E4E1DC;--wk-rule-2: #C9C4BC;--wk-wash: #FAF7F4;--wk-wash-2: #F4EEF1;--wk-side: 272px;--wk-pad: clamp(18px, 4vw, 48px)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:76px}body{margin:0;font-family:var(--wk-font-body);color:var(--wk-ink);background:var(--wk-canvas);font-size:16.5px;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-wrap:break-word}[dir=rtl] body,html[lang=ar] body{font-size:17.5px;line-height:1.9}html[lang=ja] body{line-height:1.85}a{color:var(--wk-primary);text-decoration-thickness:1px;text-underline-offset:3px;transition:color var(--wk-dur) var(--wk-ease),background var(--wk-dur) var(--wk-ease)}a:hover{color:#5e123c}:focus-visible{outline:2px solid var(--wk-accent);outline-offset:2px;border-radius:3px}h1,h2,h3{font-family:var(--wk-font-display);font-weight:500;line-height:1.2;margin:0;color:var(--wk-ink);letter-spacing:-.01em}html[lang=ar] h1,html[lang=ar] h2,html[lang=ar] h3{font-family:Geeza Pro,Noto Naskh Arabic,Traditional Arabic,Tahoma,serif;font-weight:700;letter-spacing:0;line-height:1.5}html[lang=ja] h1,html[lang=ja] h2,html[lang=ja] h3{letter-spacing:.01em;font-weight:600;line-height:1.45}p{margin:0 0 1em}.wk-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.wk-frame{display:grid;grid-template-columns:var(--wk-side) minmax(0,1fr);min-height:100vh}.wk-rail{background:var(--wk-wash);border-inline-end:1px solid var(--wk-rule);position:sticky;top:0;align-self:start;height:100vh;overflow-y:auto;padding:26px 22px 22px;display:flex;flex-direction:column;gap:22px}.wk-mark{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--wk-ink);font-family:var(--wk-font-display);font-size:21px;line-height:1.15}.wk-mark img{width:34px;height:34px;border-radius:50%;flex:none}.wk-mark small{display:block;font-family:var(--wk-font-body);font-size:11.5px;color:var(--wk-muted);letter-spacing:.02em;margin-top:3px}.wk-find{display:flex;border:1px solid var(--wk-rule-2);border-radius:var(--wk-radius);background:#fff;overflow:hidden;transition:border-color var(--wk-dur) var(--wk-ease),box-shadow var(--wk-dur) var(--wk-ease)}.wk-find:focus-within{border-color:var(--wk-primary);box-shadow:0 0 0 3px #8b1e5a1f}.wk-find input{flex:1;min-width:0;border:0;padding:10px 12px;font:inherit;font-size:15px;background:transparent;color:var(--wk-ink);outline:0}.wk-find button{border:0;background:transparent;padding:0 12px;cursor:pointer;color:var(--wk-primary);display:grid;place-items:center}.wk-rail h2{font-family:var(--wk-font-body)!important;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--wk-muted);font-weight:600;margin-bottom:8px}html[lang=ar] .wk-rail h2,html[lang=ja] .wk-rail h2{letter-spacing:0;font-size:13px}.wk-toc{list-style:none;margin:0;padding:0}.wk-toc a{display:flex;justify-content:space-between;gap:10px;align-items:baseline;padding:7px 10px;margin-inline:-10px;border-radius:var(--wk-radius);text-decoration:none;color:var(--wk-ink);font-size:15.5px;line-height:1.4}.wk-toc a:hover{background:var(--wk-wash-2);color:var(--wk-primary)}.wk-toc a[aria-current=page]{background:var(--wk-primary);color:#fff}.wk-toc a span{font-size:12.5px;color:var(--wk-muted);font-variant-numeric:tabular-nums}.wk-toc a[aria-current=page] span{color:#ffffffbf}.wk-rail-foot{margin-top:auto;border-top:1px solid var(--wk-rule);padding-top:16px}.wk-langs ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 6px}.wk-langs a,.wk-langs span{display:inline-block;padding:4px 9px;border-radius:999px;font-size:13.5px;text-decoration:none;border:1px solid var(--wk-rule-2);color:var(--wk-ink);background:#fff;line-height:1.5}.wk-langs a:hover{border-color:var(--wk-primary);color:var(--wk-primary)}.wk-langs [aria-current]{background:var(--wk-ink);color:#fff;border-color:var(--wk-ink)}.wk-bar{display:none}.wk-main{min-width:0;display:flex;flex-direction:column}.wk-page{padding:clamp(28px,5vw,64px) var(--wk-pad) 40px;max-width:900px;width:100%;flex:1}.wk-eyebrow{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--wk-accent);font-weight:600;margin:0 0 12px}html[lang=ar] .wk-eyebrow,html[lang=ja] .wk-eyebrow{letter-spacing:0;font-size:14px}.wk-h1{font-size:clamp(34px,4.8vw,54px);margin-bottom:16px;max-width:22ch}.wk-lead{font-size:18px;color:var(--wk-muted);max-width:62ch;margin-bottom:28px}.wk-h2{font-size:27px;margin:44px 0 6px;padding-bottom:10px;border-bottom:1px solid var(--wk-rule-2)}.wk-h2+.wk-sub{margin-top:10px}.wk-sub{color:var(--wk-muted);font-size:15.5px}.wk-crumb{font-size:14px;color:var(--wk-muted);margin-bottom:16px}.wk-crumb a{color:var(--wk-muted)}.wk-crumb span{color:var(--wk-ink)}.wk-dl{margin:0}.wk-term{padding:18px 0 16px;border-bottom:1px solid var(--wk-rule);scroll-margin-top:80px}.wk-term:target{background:linear-gradient(to right,var(--wk-wash-2),transparent);box-shadow:inset 3px 0 0 var(--wk-primary);padding-inline-start:14px;margin-inline-start:-14px}[dir=rtl] .wk-term:target{background:linear-gradient(to left,var(--wk-wash-2),transparent);box-shadow:inset -3px 0 0 var(--wk-primary)}.wk-term dt{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px}.wk-hw{font-family:var(--wk-font-display);font-size:24px;font-weight:500;line-height:1.3;color:var(--wk-ink)}html[lang=ar] .wk-hw{font-family:Geeza Pro,Noto Naskh Arabic,Tahoma,serif;font-weight:700;font-size:22px}html[lang=ja] .wk-hw{font-weight:600;font-size:22px}.wk-zh{font-size:14.5px;color:var(--wk-muted);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,sans-serif}.wk-zh b{font-weight:400;font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;margin-inline-end:6px;color:var(--wk-accent)}.wk-term dd{margin:6px 0 0;max-width:68ch}.wk-term dd p{margin:0 0 6px}.wk-refs{font-size:13.5px;color:var(--wk-muted);display:flex;flex-wrap:wrap;gap:2px 18px;margin-top:8px!important}.wk-refs b{font-weight:600;color:var(--wk-ink);margin-inline-end:6px}.wk-refs span a{display:inline-block;margin-inline-end:14px}.wk-full{font-weight:600}.wk-full:after,.wk-go:after{content:" →"}[dir=rtl] .wk-full:after,[dir=rtl] .wk-go:after{content:" ←"}.wk-letter{font-family:var(--wk-font-display);font-size:30px;color:var(--wk-primary);margin:34px 0 0;padding-bottom:4px;border-bottom:2px solid var(--wk-ink);scroll-margin-top:80px}.wk-az{display:flex;flex-wrap:wrap;gap:4px;margin:0 0 6px;padding:0;list-style:none}.wk-az a{display:grid;place-items:center;min-width:38px;height:38px;padding:0 8px;border:1px solid var(--wk-rule-2);border-radius:var(--wk-radius);text-decoration:none;font-family:var(--wk-font-display);font-size:18px;color:var(--wk-ink)}.wk-az a:hover{background:var(--wk-primary);border-color:var(--wk-primary);color:#fff}.wk-list{list-style:none;margin:14px 0 0;padding:0}.wk-list li{padding:14px 0;border-bottom:1px solid var(--wk-rule)}.wk-list h3{font-size:21px;margin-bottom:2px}.wk-list h3 a{text-decoration:none}.wk-list h3 a:hover{text-decoration:underline}.wk-list p{margin:0;color:var(--wk-muted);font-size:15px;max-width:68ch}.wk-srcs{margin:14px 0 0;padding-inline-start:22px;font-size:15px}.wk-srcs li{margin-bottom:6px}.wk-art>h1{font-size:clamp(30px,4.2vw,46px);margin-bottom:12px}.wk-note{font-size:13.5px;color:var(--wk-muted);border-block:1px solid var(--wk-rule);padding:8px 0;margin-bottom:26px}.wk-prose{font-size:17px;max-width:70ch}html[lang=ar] .wk-prose{font-size:18.5px}.wk-prose h2{font-size:26px;margin:38px 0 12px;padding-bottom:8px;border-bottom:1px solid 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