.ptka{background:var(--ls-cream);color:var(--ls-ink);font-family:var(--ls-body);min-height:100vh;display:flex;flex-direction:column}.ptka .ptka-shell{flex:1 0 auto}.ptka[lang=zh-CN]{--ls-body:var(--ls-font-body),var(--ls-font-cjk),system-ui,sans-serif;--ls-display:var(--ls-font-display),var(--ls-font-cjk),system-ui,sans-serif;--ls-mono:var(--ls-font-mono),var(--ls-font-cjk),ui-monospace,monospace}.ptka[lang=zh-CN] :is(.ptka-h1,.ptka-step-h,.ptka-group-heading,.ptka-notice-h){font-family:var(--ls-display);font-weight:700;letter-spacing:0;line-height:1.3}.ptka .ptka-wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 var(--ls-gutter)}.ptka .ptka-head{background:var(--ls-maroon);color:var(--ls-cream);padding:30px 0 26px;border-bottom:2px solid var(--ls-ink);margin-bottom:30px}.ptka .ptka-eyebrow{font-family:var(--ls-mono);font-size:11px;letter-spacing:2.4px;text-transform:uppercase;opacity:.75;margin:0 0 16px}.ptka .ptka-h1{font-family:var(--ls-display);font-weight:400;font-size:clamp(32px,4.5vw,48px);line-height:1.05;letter-spacing:-.01em;text-wrap:balance;margin:12px 0 10px}.ptka .ptka-lead{font-size:16px;line-height:1.6;max-width:36em;margin:0 0 10px}.ptka .ptka-backlink{color:var(--ls-gold);font-family:var(--ls-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;text-decoration:underline;text-underline-offset:3px}.ptka .ptka-rail{display:flex;flex-direction:column;gap:4px;list-style:none;margin:0;padding:0}.ptka .ptka-rail-item{min-width:0}.ptka .ptka-rail-n{font-family:var(--ls-mono);font-size:12px;width:22px;height:22px;display:grid;place-content:center;flex:none;border:1px solid rgba(28,13,11,.2);border-radius:0}.ptka .ptka-progress{font-family:var(--ls-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 8px;color:var(--ls-taupe)}.ptka .ptka-banner{border:1px solid var(--ls-maroon);border-left-width:4px;padding:14px 16px;margin:0 0 24px;font-size:14px;line-height:1.55;background:rgba(124,31,23,.05)}.ptka .ptka-banner-h{font-weight:700;margin:0 0 4px}.ptka .ptka-banner-b{margin:0}.ptka .ptka-notice{border-left:3px solid #c9b8a6;background:rgba(255,255,255,.4);padding:14px 16px;margin:0 0 24px;font-size:14px;line-height:1.6}.ptka .ptka-notice-h{font-family:var(--ls-display);font-weight:400;font-size:18px;margin:0 0 6px}.ptka .ptka-notice-b{margin:0;opacity:.85}.ptka .ptka-form{margin:0}.ptka .ptka-step{border:0;padding:0;margin:0 0 28px}.ptka .ptka-step-h{display:flex;align-items:baseline;gap:10px;padding:0;margin:0 0 6px;font-family:var(--ls-display);font-size:clamp(22px,3vw,28px);font-weight:400}.ptka .ptka-step-n{font-family:var(--ls-mono);font-size:12px;letter-spacing:1.4px;opacity:.5}.ptka .ptka-step-blurb{font-size:14px;line-height:1.6;color:var(--ls-taupe);margin:0 0 24px;max-width:40em}.ptka .ptka-grid{display:grid;grid-template-columns:1fr;grid-gap:22px;gap:22px}@media (min-width:900px){.ptka .ptka-grid{grid-template-columns:1fr 1fr}.ptka .ptka-field--full{grid-column:1/-1}}.ptka .ptka-fieldbody{display:flex;flex-direction:column;gap:6px;margin:0;color:inherit;text-transform:none;letter-spacing:normal}.ptka .ptka-label{font-family:var(--ls-mono);font-size:13px;font-weight:400;letter-spacing:.04em;line-height:1.4}.ptka .ptka-required-label{display:inline;color:var(--ls-taupe);font-size:12px;font-weight:400;margin-left:8px}.ptka .ptka-req{color:var(--ls-maroon);margin-left:3px}.ptka .ptka-count{float:right;font-family:var(--ls-mono);font-size:12px;font-weight:400;color:var(--ls-taupe)}.ptka .ptka-hint{font-size:14px;line-height:1.5;color:var(--ls-taupe);text-transform:none;letter-spacing:normal}.ptka .ptka-input,.ptka .ptka-select,.ptka .ptka-textarea{width:100%;box-sizing:border-box;font:inherit;font-size:16px;color:inherit;background:transparent;border:0;border-bottom:1px solid rgba(28,13,11,.32);border-radius:0;padding:10px 0}.ptka .ptka-select{border:1px solid rgba(28,13,11,.32);background:rgba(28,13,11,.03);padding:10px 12px}.ptka :is(.ptka-input,.ptka-textarea)::placeholder{color:rgba(28,13,11,.45)}.ptka .ptka-textarea{min-height:132px;resize:vertical;line-height:1.55}.ptka .ptka-input:focus,.ptka .ptka-select:focus,.ptka .ptka-textarea:focus{outline:2px solid var(--ls-maroon);outline-offset:1px}.ptka .ptka-err{color:var(--ls-maroon);font-size:13px;line-height:1.5;margin:6px 0 0;font-weight:600}.ptka .ptka-opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(145px,100%),1fr));grid-gap:8px;gap:8px}.ptka .ptka-opts--row{grid-template-columns:repeat(auto-fit,minmax(110px,160px))}.ptka .ptka-opt{display:flex;align-items:flex-start;gap:8px;border:1px solid rgba(0,0,0,.28);border-radius:0;padding:9px 11px;font-size:14px;line-height:1.4;cursor:pointer;background:transparent;color:inherit;text-transform:none;letter-spacing:normal;margin:0;min-height:44px}.ptka .ptka-opt--on{border-color:var(--ls-maroon);background:rgba(124,31,23,.08);font-weight:600}.ptka .ptka-consent input,.ptka .ptka-opt input{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:16px;height:16px;flex:none;margin:3px 0 0;padding:0;cursor:pointer;border:1px solid rgba(28,13,11,.42);border-radius:0;background:transparent;display:grid;place-content:center}.ptka .ptka-opt input[type=radio]{border-radius:50%}.ptka .ptka-consent input:checked,.ptka .ptka-opt input:checked{background:var(--ls-maroon);border-color:var(--ls-maroon)}.ptka .ptka-consent input[type=checkbox]:checked:before,.ptka .ptka-opt input[type=checkbox]:checked:before{content:"";width:8px;height:8px;background:var(--ls-cream);-webkit-clip-path:polygon(14% 44%,0 65%,40% 100%,100% 16%,84% 0,38% 68%);clip-path:polygon(14% 44%,0 65%,40% 100%,100% 16%,84% 0,38% 68%)}.ptka .ptka-opt input[type=radio]:checked:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ls-cream)}.ptka .ptka-consent span,.ptka .ptka-opt span{flex:1 1 auto;text-align:left}.ptka .ptka-consent{display:flex;align-items:flex-start;gap:10px;border:1px solid rgba(0,0,0,.28);border-radius:0;padding:12px 14px;font-size:14px;line-height:1.55;cursor:pointer;background:transparent;color:inherit;text-transform:none;letter-spacing:normal;margin:0}.ptka .ptka-consent--on{border-color:var(--ls-maroon);background:rgba(124,31,23,.08)}.ptka .ptka-review-block{border-top:1px solid rgba(0,0,0,.14);padding:16px 0 4px}.ptka .ptka-review-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.ptka .ptka-review-h3{font-size:15px;font-weight:700;margin:0 0 10px}.ptka .ptka-edit{font:inherit;font-size:13px;background:none;border:0;color:var(--ls-maroon);text-decoration:underline;text-underline-offset:3px;cursor:pointer;padding:0}.ptka .ptka-review-list{margin:0 0 8px}.ptka .ptka-review-row{display:grid;grid-template-columns:1fr;grid-gap:2px;gap:2px;padding:6px 0;font-size:14px;line-height:1.5}@media (min-width:620px){.ptka .ptka-review-row{grid-template-columns:minmax(180px,34%) 1fr;gap:16px}}.ptka .ptka-review-row dt{color:var(--ls-taupe)}.ptka .ptka-review-row dd{margin:0;overflow-wrap:anywhere}.ptka .ptka-nav{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:flex-end;padding:20px 0;margin:12px 0 0;border-top:1px solid rgba(28,13,11,.14)}.ptka .ptka-btn{font-family:var(--ls-mono);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ls-cream);background:var(--ls-maroon);border:1px solid var(--ls-maroon);border-radius:0;padding:16px 26px;cursor:pointer}.ptka .ptka-btn:disabled{opacity:.55;cursor:default}.ptka .ptka-btn--ghost{color:var(--ls-ink);background:transparent;border-color:rgba(0,0,0,.35)}.ptka .ptka-draftbar{padding-top:18px;font-size:13px;line-height:1.55}.ptka .ptka-deck-section,.ptka .ptka-draftbar{border-top:1px solid rgba(0,0,0,.14);margin-top:24px}.ptka .ptka-deck-section{padding-top:24px}.ptka .ptka-deck-section[hidden]{display:none}.ptka .ptka-deck-prefill{margin-top:18px;overflow-wrap:anywhere}.ptka .ptka-draft-h{font-weight:700;margin:0 0 4px}.ptka .ptka-draft-b{margin:6px 0 4px;color:var(--ls-taupe)}.ptka .ptka-draft-s{margin:0;min-height:1.2em;font-size:13px;font-weight:600}.ptka .ptka-note{font-size:14px;line-height:1.6;color:var(--ls-taupe);margin:14px 0 0;max-width:42em}.ptka .ptka-privacy{border-top:1px solid rgba(0,0,0,.14);padding-top:14px;margin-top:22px}.ptka .ptka-honeypot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.ptka .ptka-done{flex:1 1;padding:64px 0}.ptka .ptka-done .ptka-note{color:var(--ls-taupe)}.ptka .ptka-ref{border:1px solid rgba(28,13,11,.2);padding:18px 20px;margin:26px 0 8px;display:inline-block}.ptka .ptka-ref-k{font-family:var(--ls-mono);font-size:10px;letter-spacing:1.8px;text-transform:uppercase;opacity:.7;margin:0 0 6px}.ptka .ptka-ref-v{font-family:var(--ls-mono);font-size:16px;font-weight:700;letter-spacing:1px;margin:0}.ptka .ptka-workspace{display:grid;grid-template-columns:200px minmax(0,1fr);grid-gap:48px;gap:48px;padding-bottom:48px}.ptka .ptka-sidebar{align-self:start;position:-webkit-sticky;position:sticky;top:24px}.ptka .ptka-content{min-width:0}.ptka .ptka-section-nav{position:static;inset:auto;padding:0;display:block}.ptka .ptka-section-link{position:relative;display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:1px solid transparent;border-radius:0;padding:11px 8px;font-family:var(--ls-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;line-height:1.5;color:var(--ls-taupe)}.ptka .ptka-section-link:hover{background:rgba(124,31,23,.04)}.ptka .ptka-section-link[aria-current=step]{color:var(--ls-cream);background:var(--ls-maroon);font-weight:700}.ptka .ptka-section-link[data-complete=true] .ptka-rail-n{background:var(--ls-gold);color:var(--ls-ink);border-color:var(--ls-gold)}.ptka .ptka-group{padding:0;margin:0 0 30px}.ptka .ptka-group-heading{font-family:var(--ls-display);font-weight:400;font-size:18px;margin:0 0 18px;color:var(--ls-ink)}.ptka .ptka-group--optional{border-top:1px solid rgba(28,13,11,.14);border-bottom:1px solid rgba(28,13,11,.14);padding:0;margin-bottom:20px}.ptka .ptka-group--optional summary{cursor:pointer;min-height:48px;padding:13px 0;font-size:15px;font-weight:600}.ptka .ptka-group--optional summary>span{color:var(--ls-taupe);font-size:13px;font-weight:400;margin-left:8px}.ptka .ptka-group--optional .ptka-grid{padding:12px 0 24px}.ptka .ptka-ai-option{border-top:1px solid rgba(28,13,11,.14);margin-top:18px;padding-top:18px;font-size:14px;line-height:1.55}.ptka .ptka-ai-option .ptka-btn{margin-top:12px}.ptka .ptka-ai-option [role=status]{margin-top:10px}.ptka .ptka-footer{display:flex;justify-content:center;flex-wrap:wrap;gap:14px 28px;padding:24px 20px;border-top:1px solid rgba(28,13,11,.14);background:var(--ls-maroon);color:var(--ls-cream);font-family:var(--ls-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase}.ptka .ptka-footer a:hover{color:var(--ls-gold);text-decoration:underline}.ptka .ptka-error-list{padding-left:20px;margin:8px 0 0}.ptka .ptka-error-list button{font:inherit;color:var(--ls-maroon);text-align:left;text-decoration:underline;padding:4px 0}.ptka :is(button,a,input,select,textarea,summary,[tabindex]):focus-visible{outline:2px solid var(--ls-maroon);outline-offset:3px}.ptka .ptka-sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:759px){.ptka .ptka-head{padding:20px 0;margin-bottom:20px}.ptka .ptka-wrap{padding-left:20px;padding-right:20px}.ptka .ptka-workspace{grid-template-columns:minmax(0,1fr);gap:26px}.ptka .ptka-sidebar{position:static;min-width:0}.ptka .ptka-rail{flex-direction:row;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}.ptka .ptka-rail-item{flex:none}.ptka .ptka-section-link{width:auto;white-space:nowrap;min-height:44px}.ptka .ptka-draftbar{margin-top:10px;padding-top:12px}.ptka .ptka-draft-h{display:none}.ptka .ptka-draft-b{font-size:12px;line-height:1.5}.ptka .ptka-nav{padding:14px 0}.ptka .ptka-nav .ptka-btn{flex:1 1;padding:12px 16px}}@media (prefers-reduced-motion:reduce){.ptka{scroll-behavior:auto}}.ptka .ptka-submitter{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;border-block:1px solid rgba(28,13,11,.14);padding:18px 0;margin-bottom:22px}.ptka .ptka-submitter h3{margin:0 0 6px;font:inherit;font-size:13px;font-weight:600;color:var(--ls-taupe)}.ptka .ptka-submitter p{margin:0;font-size:15px;line-height:1.6;overflow-wrap:anywhere}.ptka .ptka-submitter>div{min-width:0}.ptka .ptka-submitter .ptka-edit{flex:none}.ptka .ptka-extract-status{margin:0 0 22px;font-size:14px;line-height:1.6;color:var(--ls-taupe)}.ptka .ptka-extract-status[data-prefill-state=busy]{color:var(--ls-maroon)}.ptka .ptka-permissions{margin-top:28px;padding-top:22px;border-top:1px solid rgba(28,13,11,.14)}.ptka .ptka-permissions .ptka-grid{row-gap:20px}.ptka .ptka-ai-choice{font-size:14px;line-height:1.6;margin:0 0 20px}.ptka .ptka-ai-choice p{margin:0 0 8px;color:var(--ls-taupe)}.ptka .ptka-ai-choice label{display:flex;gap:9px;align-items:center;width:-moz-fit-content;width:fit-content;min-height:44px;cursor:pointer}.ptka .ptka-ai-choice input{width:17px;height:17px;accent-color:var(--ls-maroon)}@media (max-width:759px){.ptka .ptka-rail{display:grid;grid-template-columns:1fr 1fr;grid-gap:4px;gap:4px;overflow:visible}.ptka .ptka-rail-item{min-width:0}.ptka .ptka-section-link{width:100%;white-space:normal;height:100%;font-size:11px;gap:7px;padding:11px 7px}.ptka .ptka-rail-n{flex:none}}.ptka .ptka-topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px;padding:0 var(--ls-gutter);background:var(--ls-maroon);color:var(--ls-cream);border-bottom:1px solid rgba(244,237,227,.28);font-family:var(--ls-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase}.ptka .ptka-topbar a{padding:12px 0}.ptka .ptka-topbar .ls-brand{letter-spacing:normal}.ptka .ptka-footer a:focus-visible,.ptka .ptka-head a:focus-visible,.ptka .ptka-topbar a:focus-visible{outline-color:var(--ls-gold)}.ptka .ptka-section-link[aria-current=step] .ptka-rail-n{border-color:rgba(244,237,227,.55)}.ptka .ptka-btn:not(:disabled):hover{background:var(--ls-ink);border-color:var(--ls-ink);color:var(--ls-cream)}.ptka .ptka-edit{font-family:var(--ls-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase}.ptka .du{--du-ink:var(--ls-ink);--du-muted:var(--ls-taupe);--du-line:rgba(28,13,11,0.28);--du-red:var(--ls-maroon);--du-red-dark:var(--ls-ink);--du-ok:var(--ls-maroon);--du-paper:var(--ls-cream)}.ptka .du-box,.ptka .du-btn,.ptka .du-meter{border-radius:0}.ptka .du-box{border-color:rgba(28,13,11,.32)}.ptka .du-box:is([data-phase=error],[data-phase=done]){border-color:var(--ls-maroon)}.ptka .du-label{font-family:var(--ls-mono);font-size:13px;font-weight:400;letter-spacing:.04em}.ptka .du-btn{font-family:var(--ls-mono);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:transparent}.ptka .du-btn-primary{background:var(--ls-maroon);color:var(--ls-cream)}.ptka .du-btn-primary:not(:disabled):hover{background:var(--ls-ink);border-color:var(--ls-ink)}.ptka .du-meter{height:3px}.ptka .ptka-ai-choice input{border-radius:0}