@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap");.if-scope{--if-paper:#f6f1e7;--if-paper-deep:#ece2cc;--if-ink:#1c2130;--if-ink-soft:#545b6e;--if-line:#d9cba8;--if-stamp:#a23b2e;--if-stamp-hover:#8c3226;--if-stamp-l:#f4e2dc;--if-seal:#2f6f5e;--if-seal-l:#e1ece7;--if-mark:#ffe066;--if-mark-border:#e8b400;--if-font-display:"Fraunces","Noto Serif",serif;--if-font-body:"Public Sans","Noto Sans",sans-serif;--if-font-mono:"IBM Plex Mono",ui-monospace,monospace;background:var(--if-paper);color:var(--if-ink);font-family:var(--if-font-body);line-height:1.5;background-image:radial-gradient(circle at 1px 1px,rgba(28,33,48,.05) 1px,transparent 0);background-size:22px 22px}@font-face{font-family:IF CJK Punct;src:local("Microsoft YaHei"),local("PingFangSC-Regular"),local("PingFang SC"),local("NotoSansCJKsc-Regular"),local("Noto Sans CJK SC"),local("SourceHanSansSC-Regular");unicode-range:u+2014,u+2026}.if-scope:lang(zh){--if-font-body:"IF CJK Punct","Public Sans","Noto Sans","PingFang SC","Microsoft YaHei",sans-serif;--if-font-mono:"IF CJK Punct","IBM Plex Mono","PingFang SC","Microsoft YaHei",monospace;--if-font-display:"IF CJK Punct","Fraunces","Noto Serif",serif}.if-scope:lang(zh) .if-exhibit-tab,.if-scope:lang(zh) .if-kicker,.if-scope:lang(zh) .if-role-label{letter-spacing:.02em}.if-scope .if-kicker{display:inline-flex;align-items:center;gap:8px;font-family:var(--if-font-mono);font-size:11.5px;letter-spacing:.1em;color:var(--if-stamp);margin-bottom:18px}.if-scope .if-kicker--dark{color:var(--if-seal)}.if-scope .if-kicker-dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0}.if-scope .if-h1{font-family:var(--if-font-display);font-weight:600;letter-spacing:-.01em;line-height:1.08}.if-scope .if-h1 em{font-style:italic;color:var(--if-stamp)}.if-scope .if-h2{font-family:var(--if-font-display);font-weight:600;letter-spacing:-.01em}.if-scope .if-lede{color:var(--if-ink-soft)}.if-scope .if-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:3px;font-weight:600;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s,border-color .15s;white-space:nowrap}.if-scope .if-btn-primary{background:var(--if-stamp);color:#fff;box-shadow:0 2px 0 rgba(0,0,0,.12)}.if-scope .if-btn-primary:hover{background:var(--if-stamp-hover);transform:translateY(-1px)}.if-scope .if-btn-primary.if-btn-disabled,.if-scope .if-btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.if-scope .if-btn-ghost{background:transparent;color:var(--if-ink);border:1px solid var(--if-line)}.if-scope .if-btn-ghost:hover{border-color:var(--if-ink)}.if-scope .if-btn-ghost-dark{background:transparent;color:var(--if-paper);border:1px solid hsla(40,45%,94%,.3)}.if-scope .if-btn-ghost-dark:hover{border-color:var(--if-paper)}.if-scope .if-btn-text{color:var(--if-ink);font-weight:600}.if-scope .if-trust-strip{font-family:var(--if-font-mono);font-size:12px;color:var(--if-ink-soft);display:flex;flex-wrap:wrap;gap:8px;align-items:center}.if-scope .if-dot{opacity:.5}.if-scope .if-ev-card{position:absolute;width:280px;background:#fff;border:1px solid var(--if-line);border-radius:4px;box-shadow:0 18px 40px rgba(28,33,48,.14);padding:20px 22px}.if-scope .if-ev-card--3{top:4%;left:16%;transform:rotate(6deg);opacity:.85}.if-scope .if-ev-card--2{top:18%;left:4%;transform:rotate(-4deg);opacity:.95}.if-scope .if-ev-card--1{top:32%;left:10%;transform:rotate(2deg);z-index:2}.if-scope .if-ev-tab{display:inline-block;font-family:var(--if-font-mono);font-size:11px;letter-spacing:.08em;background:var(--if-seal-l);color:var(--if-seal);padding:3px 8px;border-radius:2px;margin-bottom:10px}.if-scope .if-ev-title{font-family:var(--if-font-display);font-size:16px;font-weight:600;margin-bottom:12px;color:var(--if-ink)}.if-scope .if-ev-lines span{display:block;height:7px;border-radius:2px;background:var(--if-paper-deep);margin-bottom:6px}.if-scope .if-ev-foot{display:flex;justify-content:space-between;font-family:var(--if-font-mono);font-size:10.5px;color:var(--if-ink-soft);margin-top:14px;padding-top:10px;border-top:1px dashed var(--if-line)}.if-scope .if-ev-check{color:var(--if-seal);font-weight:600}.if-scope .if-ev-stamp{position:absolute;top:-14px;right:-6px;font-family:var(--if-font-mono);font-size:10.5px;font-weight:700;letter-spacing:.04em;color:var(--if-stamp);border:2px solid var(--if-stamp);border-radius:999px;padding:6px 11px;transform:rotate(9deg);background:hsla(40,45%,94%,.92)}.if-scope .if-role-card{background:#fff;border:1px solid var(--if-line);border-radius:4px;padding:26px 24px;display:flex;flex-direction:column;height:100%}.if-scope .if-role-tag{font-family:var(--if-font-mono);font-size:11px;letter-spacing:.06em;color:var(--if-seal);background:var(--if-seal-l);align-self:flex-start;padding:4px 9px;border-radius:2px;margin-bottom:16px}.if-scope .if-role-label{font-family:var(--if-font-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--if-ink-soft);margin-bottom:4px}.if-scope .if-section-title{font-size:14px;font-weight:600;color:var(--if-ink);padding-left:8px;border-left:2px solid var(--if-stamp);margin-bottom:10px;line-height:1.4}.if-scope .if-exhibit-card{background:#fff;border:1px solid var(--if-line);border-radius:4px;padding:26px 22px;transition:transform .15s,box-shadow .15s}.if-scope .if-exhibit-card:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(28,33,48,.1)}.if-scope .if-exhibit-tab{display:inline-block;font-family:var(--if-font-mono);font-size:11px;letter-spacing:.08em;color:var(--if-stamp);border:1px solid var(--if-stamp);border-radius:2px;padding:2px 8px;margin-bottom:14px}.if-scope .if-exhibit-title{font-family:var(--if-font-display);font-size:19px;font-weight:600;margin-bottom:8px}.if-scope .if-docket-row{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:24px 0;border-top:1px solid hsla(40,45%,94%,.15)}.if-scope .if-docket-row:last-child{border-bottom:1px solid hsla(40,45%,94%,.15)}.if-scope .if-docket-n{font-family:var(--if-font-mono);font-size:30px;font-weight:600;color:var(--if-seal);opacity:.9}.if-scope .if-receipt{background:var(--if-paper);color:var(--if-ink);border-radius:6px;padding:32px 30px;box-shadow:0 24px 60px rgba(0,0,0,.28)}.if-scope .if-receipt-head{display:flex;justify-content:space-between;align-items:center;font-family:var(--if-font-mono);font-size:11px;letter-spacing:.06em;color:var(--if-ink-soft);margin-bottom:18px}.if-scope .if-receipt-stamp{color:var(--if-stamp);border:1px solid var(--if-stamp);border-radius:999px;padding:3px 9px}.if-scope .if-receipt-price{font-family:var(--if-font-display);font-size:44px;font-weight:700;margin-bottom:6px}.if-scope .if-receipt-items{list-style:none;margin:18px 0 0;padding:0;border-top:1px dashed var(--if-line)}.if-scope .if-receipt-items li{padding:11px 0;border-bottom:1px dashed var(--if-line);font-size:13.5px;color:var(--if-ink-soft)}.if-scope .if-faq-item summary::-webkit-details-marker{display:none}.if-scope .if-faq-plus{transition:transform .2s}.if-scope .if-faq-item[open] .if-faq-plus{transform:rotate(45deg)}.if-scope .if-mono{font-family:var(--if-font-mono)}.if-scope .if-dossier-box{border:1px dashed var(--if-line);background:#fff}.if-scope .if-rfe-draft{font-family:var(--if-font-mono);font-size:12.5px}.if-scope .if-rfe-draft,.if-scope .if-rfe-dropzone{background:var(--if-paper-deep);color:var(--if-ink)}.if-scope .if-rfe-dropzone{width:100%;padding:1.75rem 1rem;border-radius:4px;text-align:center;cursor:pointer;border:1px dashed var(--if-line);transition:border-color .15s ease,background .15s ease}.if-scope .if-rfe-dropzone:focus-visible,.if-scope .if-rfe-dropzone:hover{border-color:var(--if-stamp);outline:none}.if-scope .if-rfe-dropzone.is-dragging{border-color:var(--if-stamp);border-style:solid;background:var(--if-stamp-l)}.if-scope .if-rfe-dropzone.is-busy{cursor:default;opacity:.6}.if-scope .if-rfe-dropzone.if-rfe-dropzone-compact{padding:.85rem .75rem;font-size:12px}.if-scope .if-rfe-textarea{background:#fff;border:1px solid var(--if-line);color:var(--if-ink-soft)}.if-scope .if-rfe-textarea:focus{outline:none;border-color:var(--if-stamp);box-shadow:0 0 0 3px var(--if-stamp-l)}.if-scope .if-rfe-error{color:var(--if-stamp);background:var(--if-stamp-l);border:1px solid var(--if-stamp)}.if-scope .if-stepper{display:flex;gap:0;border:1px solid var(--if-line);border-radius:4px;background:var(--if-paper-deep);transition:box-shadow .15s}.if-scope .if-stepper>:first-child{border-top-left-radius:3px;border-bottom-left-radius:3px}.if-scope .if-stepper>:last-child{border-top-right-radius:3px;border-bottom-right-radius:3px}.if-scope .if-stepper.is-stuck{box-shadow:0 6px 16px rgba(28,33,48,.1)}.if-scope .if-stepper-step{flex:1;padding:10px 12px;text-align:left;cursor:pointer;border:none;background:transparent;border-right:1px solid var(--if-line);border-bottom:2px solid transparent;font-family:var(--if-font-body);color:var(--if-ink-soft);min-width:0}.if-scope .if-stepper-step .if-stepper-label{color:var(--if-ink-soft)}.if-scope .if-stepper-step:hover .if-stepper-label{color:var(--if-ink)}.if-scope .if-stepper-step.is-active{background:#fff;border-bottom-color:var(--if-stamp)}.if-scope .if-stepper-step.is-active .if-stepper-label{color:var(--if-ink);font-weight:600}.if-scope .if-stepper-step:disabled{cursor:default;opacity:.55}.if-scope .if-stepper.is-stuck .if-stepper-step{padding:8px 12px 6px}.if-scope .if-stepper.is-stuck .if-stepper-tier{display:none}.if-scope .if-stepper-tools{display:flex;align-items:center;gap:6px;padding:0 8px;background:#fff;border-left:1px solid var(--if-line);flex-shrink:0}.if-scope .if-tool-btn{display:inline-flex;align-items:center;gap:5px;height:30px;padding:0 10px;font-size:12px;font-weight:500;color:var(--if-ink);border:1px solid var(--if-line);border-radius:3px;background:#fff;white-space:nowrap;cursor:pointer}.if-scope .if-tool-btn:hover{border-color:var(--if-ink)}.if-scope .if-tool-btn:disabled{opacity:.5;cursor:default}.if-scope .if-popover{position:absolute;right:0;top:calc(100% + 6px);z-index:40;background:#fff;border:1px solid var(--if-line);border-radius:4px;box-shadow:0 12px 28px rgba(28,33,48,.14)}html.if-drawer-side{--if-drawer-w:clamp(360px,40vw,520px)}html.if-drawer-side body{padding-right:var(--if-drawer-w)}html.if-drawer-bottom body{padding-bottom:45vh}html.if-drawer-side .if-case-toc-rail{display:none!important}html.if-drawer-side .if-case-grid{display:block!important;max-width:48rem!important}.if-source-drawer-side{top:0;right:0;bottom:0;width:var(--if-drawer-w,480px);border-left:1px solid var(--if-line);box-shadow:-8px 0 24px rgba(28,33,48,.1)}.if-source-drawer-bottom{left:0;right:0;bottom:0;height:45vh;border-top:1px solid var(--if-line);box-shadow:0 -8px 24px rgba(28,33,48,.12)}.if-scope .if-toc-item{display:block;width:100%;text-align:left;font-size:13px;line-height:1.35;padding:5px 0 5px 10px;border-left:2px solid var(--if-line);color:var(--if-ink-soft);background:transparent;cursor:pointer}.if-scope .if-toc-item>span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.if-scope .if-toc-item:hover{color:var(--if-ink)}.if-scope .if-toc-item.is-active{color:var(--if-ink);border-left-color:var(--if-stamp);font-weight:600}.if-scope .if-toc-sub{font-size:12px;padding-left:20px}.if-scope [data-toc-anchor]{scroll-margin-top:124px}