.af-page{--af-gap:var(--ds-space-8);--af-rail-w:14rem;--af-side-w:19rem;--af-sticky-top:var(--ds-space-6);--af-measure:46rem;--af-wrap-max:86rem;--af-hairline:var(--ds-border-default);--af-fill:var(--ds-surface-field);--af-radius:var(--ds-radius-2);--af-bar-bg:var(--ds-surface-page);--af-scroll-offset:5.5rem;--af-pop-bg:var(--ds-surface-card);--af-pop-edge:var(--ds-border-strong);--af-pop-shadow:var(--ds-shadow-panel);--af-scrim:#00000080;--af-z-scrim:55;--af-z-pop:60}.af-wrap{inline-size:100%;max-inline-size:var(--af-wrap-max);padding-inline:var(--ds-space-6);padding-block:var(--ds-space-16);margin-inline:auto}.af-head{max-inline-size:var(--ds-reading-measure)}.af-back{font-size:var(--ds-type-0);color:var(--ds-text-tertiary);text-decoration:none}.af-back:hover{color:var(--ds-text-primary)}.af-title{font-size:var(--ds-type-4);font-weight:600;line-height:var(--ds-line-heading);letter-spacing:-.01em;color:var(--ds-text-primary);margin-block-start:var(--ds-space-6)}:lang(zh) .af-title{letter-spacing:var(--ds-letter-normal)}.af-intro{font-size:var(--ds-type-1);line-height:var(--ds-line-body);color:var(--ds-text-secondary);margin-block-start:var(--ds-space-3)}.af-shell{gap:var(--af-gap);grid-template-columns:minmax(0,1fr);margin-block-start:var(--ds-space-10);display:grid}.af-shell>*{min-inline-size:0}.af-main{gap:var(--ds-space-12);inline-size:100%;max-inline-size:var(--af-measure);flex-direction:column;display:flex}.af-side{gap:var(--ds-space-4);flex-direction:column;display:flex}.af-single{margin-block-start:var(--ds-space-10);margin-inline:auto}@media (min-width:1280px){.af-shell{grid-template-columns:var(--af-rail-w) minmax(0, 1fr) var(--af-side-w);align-items:start}.af-rail,.af-side{max-block-size:calc(100svh - var(--af-sticky-top) * 2);overscroll-behavior:contain;position:sticky;inset-block-start:var(--af-sticky-top);overflow-y:auto}}@media (max-width:1279.98px){.af-main{margin-inline:auto}}.af-navlist{gap:var(--ds-space-1);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.af-navlink{justify-content:space-between;align-items:baseline;gap:var(--ds-space-3);border-radius:var(--af-radius);padding:var(--ds-space-2) var(--ds-space-3);font-size:var(--ds-type-0);line-height:var(--ds-line-body);color:var(--ds-text-secondary);border:1px solid #0000;text-decoration:none;display:flex}.af-navlink:hover{background:var(--af-fill);color:var(--ds-text-primary)}.af-navlink[aria-current]{background:var(--af-fill);border-color:var(--af-hairline);color:var(--ds-text-primary)}.af-navlabel{min-inline-size:0}.af-navstate{font-size:var(--ds-type-0);color:var(--ds-text-tertiary);flex:none}.af-navstate[data-state=done]{color:var(--ds-status-live)}.af-navstate[data-state=partial]{color:var(--ds-status-warning)}.af-navhead{display:none}.af-progress{border-radius:var(--ds-radius-pill);background:var(--af-fill);block-size:.375rem;overflow:hidden}.af-progress-fill{border-radius:inherit;background:var(--ds-status-live);block-size:100%;transition:inline-size var(--ds-duration-base) var(--ds-ease-standard);display:block}.af-navtoggle{align-items:center;gap:var(--ds-space-2);border:1px solid var(--af-hairline);border-radius:var(--af-radius);padding:var(--ds-space-2) var(--ds-space-3);font-size:var(--ds-type-0);color:var(--ds-text-secondary);cursor:pointer;background:0 0;margin-block-start:var(--ds-space-3);display:inline-flex}.af-navtoggle:hover{color:var(--ds-text-primary)}.af-banners{gap:var(--ds-space-4);flex-direction:column;display:flex}.af-section{scroll-margin-block-start:var(--af-scroll-offset)}.af-section:focus{outline:none}.af-sechead{border-block-end:1px solid var(--af-hairline);padding-block-end:var(--ds-space-4)}.af-sectitle{font-size:var(--ds-type-2);font-weight:600;line-height:var(--ds-line-heading);color:var(--ds-text-primary)}.af-secdesc{font-size:var(--ds-type-0);line-height:var(--ds-line-body);color:var(--ds-text-tertiary);margin-block-start:var(--ds-space-2)}.af-fields{gap:var(--ds-space-8);flex-direction:column;margin-block-start:var(--ds-space-6);display:flex}.af-sidecard{gap:var(--ds-space-5);padding:var(--ds-space-6);flex-direction:column;display:flex}.af-sideblock{gap:var(--ds-space-2);flex-direction:column;display:flex}.af-sidelabel{font-size:var(--ds-type-0);letter-spacing:var(--ds-letter-label);text-transform:uppercase;color:var(--ds-text-tertiary);font-weight:600}:lang(zh) .af-sidelabel{letter-spacing:var(--ds-letter-normal);text-transform:none}.af-code{font-family:var(--ds-font-mono);font-size:var(--ds-type-3);letter-spacing:.12em;color:var(--ds-text-accent);font-weight:600}.af-sidenote{font-size:var(--ds-type-0);line-height:var(--ds-line-body);color:var(--ds-text-tertiary)}.af-sidevalue{font-size:var(--ds-type-1);line-height:var(--ds-line-body);color:var(--ds-text-secondary);font-variant-numeric:tabular-nums}.af-actions{align-items:center;gap:var(--ds-space-3);border:1px solid var(--af-hairline);border-radius:var(--af-radius);padding:var(--ds-space-4);background:var(--af-fill);flex-wrap:wrap;display:flex}.af-savestate{font-size:var(--ds-type-0);color:var(--ds-text-tertiary)}.af-formerror{inline-size:100%;font-size:var(--ds-type-0);line-height:var(--ds-line-body);color:var(--ds-status-danger)}.af-select{position:relative}.af-select-trigger{box-sizing:border-box;justify-content:space-between;align-items:center;gap:var(--ds-space-3);inline-size:100%;min-block-size:var(--ds-field-height);border:1px solid var(--ds-hairline);border-radius:var(--ds-radius-2);padding:var(--ds-space-2) var(--ds-space-4);background:var(--ds-glass-field);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font:inherit;font-size:var(--ds-type-1);text-align:start;color:var(--ds-text-primary);cursor:pointer;transition:border-color var(--ds-duration-base) var(--ds-ease-standard), background-color var(--ds-duration-base) var(--ds-ease-standard);line-height:1.45;display:flex}.af-select-trigger:hover{border-color:var(--ds-border-strong)}.af-select-trigger:focus-visible{box-shadow:var(--ds-focus);outline:none}.af-select-trigger[data-invalid=true]{border-color:color-mix(in srgb, var(--ds-status-danger) 50%, transparent)}.af-select-value{text-overflow:ellipsis;white-space:nowrap;min-inline-size:0;overflow:hidden}.af-select-trigger[data-placeholder=true] .af-select-value{color:var(--ds-text-tertiary)}.af-select-caret{border-inline-end:1.5px solid var(--ds-text-tertiary);border-block-end:1.5px solid var(--ds-text-tertiary);block-size:.45rem;inline-size:.45rem;transition:transform var(--ds-duration-fast) var(--ds-ease-standard);flex:none;margin-block-start:-.2rem;transform:rotate(45deg)}.af-select[data-open=true] .af-select-caret{margin-block-start:.2rem;transform:rotate(-135deg)}.af-select-scrim{display:none}.af-select-pop{z-index:var(--af-z-pop);border:1px solid var(--af-pop-edge);border-radius:var(--af-radius);background:var(--af-pop-bg);box-shadow:var(--af-pop-shadow);position:absolute;inset-block-start:calc(100% + var(--ds-space-1));inset-inline:0}.af-select-list{padding:var(--ds-space-1);overscroll-behavior:contain;max-block-size:15rem;margin:0;list-style:none;overflow-y:auto}.af-select-option{justify-content:space-between;align-items:center;gap:var(--ds-space-3);border-radius:var(--ds-radius-1);padding:var(--ds-space-2) var(--ds-space-3);font-size:var(--ds-type-1);line-height:var(--ds-line-body);color:var(--ds-text-secondary);cursor:pointer;display:flex}.af-select-option:hover{background:var(--af-fill);color:var(--ds-text-primary)}.af-select-option:focus{outline:2px solid var(--ds-focus-outline-color);outline-offset:-2px;background:var(--af-fill);color:var(--ds-text-primary)}.af-select-option[aria-selected=true]{color:var(--ds-text-primary);font-weight:600}.af-select-check{border-inline-end:2px solid var(--ds-text-accent);border-block-end:2px solid var(--ds-text-accent);flex:none;block-size:.6rem;inline-size:.3rem;margin-inline-end:.15rem;transform:rotate(45deg)}.af-select-option[aria-selected=false] .af-select-check{visibility:hidden}.af-lookup{gap:var(--ds-space-3);padding:var(--ds-space-6);flex-direction:column;display:flex}.af-lookup-label{font-size:var(--ds-type-0);color:var(--ds-text-primary);font-weight:600}.af-lookup-row{align-items:center;gap:var(--ds-space-2);flex-wrap:wrap;display:flex}.af-lookup-input{flex:9rem;min-inline-size:0}.af-lookup-msg{font-size:var(--ds-type-0);line-height:var(--ds-line-body);color:var(--ds-text-secondary)}.af-lookup-result{gap:var(--ds-space-2);font-size:var(--ds-type-0);line-height:var(--ds-line-body);margin:0;display:grid}.af-lookup-result>div{gap:var(--ds-space-2);flex-wrap:wrap;display:flex}.af-lookup-result dt{color:var(--ds-text-tertiary)}.af-lookup-result dd{overflow-wrap:anywhere;min-inline-size:0;color:var(--ds-text-primary);margin:0}.af-lookup-code{font-family:var(--ds-font-mono)}@media (min-width:768px) and (max-width:1279.98px){.af-navlist{gap:var(--ds-space-2);scrollbar-width:thin;flex-direction:row;padding-block-end:var(--ds-space-2);overflow-x:auto}.af-navlink{border-color:var(--af-hairline);white-space:nowrap;flex:none;align-items:center}}@media (max-width:767.98px){.af-navhead{margin-block-end:var(--ds-space-3);display:block}.af-navlist[data-collapsed=true]{display:none}.af-actions{z-index:30;padding:var(--ds-space-3) var(--ds-space-6);background:var(--af-bar-bg);box-shadow:var(--ds-shadow-panel);border-block-end:0;border-inline:0;border-radius:0;padding-block-end:calc(var(--ds-space-3) + env(safe-area-inset-bottom,0px));position:fixed;inset-block-end:0;inset-inline:0}.af-wrap{padding-block-end:7rem}.af-select-scrim{z-index:var(--af-z-scrim);background:var(--af-scrim);display:block;position:fixed;inset:0}.af-select-pop{z-index:var(--af-z-pop);border-block-end:0;border-inline:0;border-start-start-radius:var(--ds-radius-4);border-start-end-radius:var(--ds-radius-4);border-end-end-radius:0;border-end-start-radius:0;position:fixed;inset-block:auto 0;inset-inline:0}.af-select-list{max-block-size:min(60svh,26rem);padding:var(--ds-space-2);padding-block-end:calc(var(--ds-space-2) + env(safe-area-inset-bottom,0px))}.af-select-option{min-block-size:2.75rem}}.af-guestnote-line{font-size:var(--ds-type-1);line-height:var(--ds-line-body);color:var(--ds-text-secondary);margin-block-start:var(--ds-space-3)}.af-code-pending{font-size:var(--ds-type-1);line-height:var(--ds-line-body);color:var(--ds-text-tertiary)}.af-merge-options{gap:var(--ds-space-4);grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));margin-block-start:var(--ds-space-5);display:grid}.af-merge-option{align-items:flex-start;gap:var(--ds-space-2);border:1px solid var(--af-hairline);border-radius:var(--af-radius);padding:var(--ds-space-4);flex-direction:column;display:flex}.af-merge-actions{gap:var(--ds-space-3);flex-wrap:wrap;margin-block-start:var(--ds-space-4);display:flex}@media (prefers-reduced-motion:reduce){.af-progress-fill,.af-select-caret{transition:none}}