@font-face{font-family:NotoSansSC;src:url('/assets/NotoSansSC-Regular.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
:root{color-scheme:light;--ink:#111;--paper:#fff;--wash:#f3f3f1;--line:#d4d4d0;--muted:#656561;--danger:#a40000;--radius:4px;--shadow:0 14px 40px rgba(0,0,0,.08)}
*{box-sizing:border-box}
html{font-family:NotoSansSC,"Microsoft YaHei",sans-serif;background:var(--wash);color:var(--ink);line-height:1.65}
body{margin:0;min-width:320px}
a{color:inherit;text-underline-offset:.2em}
button,input{font:inherit}
button{color:inherit}
.shell{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:52px 0 88px}
.shell.narrow{width:min(720px,calc(100% - 32px))}
.centered-page{min-height:100vh;display:grid;align-items:center}
.hero{padding:54px 0 34px;border-bottom:1px solid var(--ink);margin-bottom:28px}
.hero h1,.page-heading h1{font-size:clamp(2.4rem,8vw,5.8rem);line-height:1.02;letter-spacing:-.04em;margin:.1em 0}
.hero .lead{font-size:clamp(1.05rem,2vw,1.35rem)}
.eyebrow{font-size:.72rem;letter-spacing:.2em;font-weight:700;margin:0;text-transform:uppercase}
.muted{color:var(--muted)}
.small{font-size:.84rem}.hidden{display:none!important}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.stack>*{margin-top:0;margin-bottom:0}.stack>*+*{margin-top:16px}.stack-xl>*+*{margin-top:32px}
.card{background:var(--paper);border:1px solid var(--line);padding:clamp(20px,4vw,36px);border-radius:var(--radius)}
.card h1,.card h2{line-height:1.2;margin:0}.card h2{font-size:1.35rem}
.notice{border-left:4px solid var(--ink);padding:12px 16px;background:var(--wash)}.notice p{margin:.3em 0 0}
.plain-list{padding-left:1.2em;margin:0}.plain-list li+li{margin-top:.45em}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border:1px solid var(--ink);border-radius:2px;text-decoration:none;cursor:pointer;transition:.16s;background:#fff;font-weight:600}
.button:hover{transform:translateY(-1px);box-shadow:3px 3px 0 var(--ink)}.button:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.button.primary{background:var(--ink);color:#fff}.button.secondary{background:#fff}.button.danger{border-color:var(--danger);color:var(--danger)}.small-button{min-height:38px;padding:6px 12px;font-size:.86rem}
label{font-weight:600;font-size:.9rem}input[type=text],input[type=password],input[type=date],input:not([type]){width:100%;border:1px solid var(--ink);border-radius:2px;padding:12px 14px;background:#fff;min-height:48px}
input:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #777;outline-offset:3px}
.form-message{min-height:1.5em;color:var(--danger);font-size:.9rem}.form-message.success{color:#126b2c}
.site-footer{display:flex;gap:10px;justify-content:center;padding:28px;color:var(--muted);font-size:.85rem}
.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100vw - 1120px)/2));position:sticky;top:0;z-index:20}.topbar nav{display:flex;gap:20px;align-items:center}.wordmark{text-decoration:none;font-weight:700;letter-spacing:.05em}.link-button{border:0;background:none;padding:0;text-decoration:underline;cursor:pointer}
.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}.page-heading h1{font-size:clamp(2rem,6vw,4rem)}
.badge{border:1px solid var(--ink);padding:5px 10px;font-size:.75rem;letter-spacing:.08em;white-space:nowrap}.step{font-size:.72rem;font-weight:700;border-bottom:1px solid var(--ink);width:max-content}
.segmented{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--ink);padding:3px}.segmented label{position:relative}.segmented input{position:absolute;opacity:0}.segmented span{display:flex;justify-content:center;padding:9px;cursor:pointer}.segmented input:checked+span{background:var(--ink);color:#fff}
.draw-workspace{display:grid;gap:12px;background:#fff}.draw-workspace-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.draw-fullscreen-actions{display:flex;gap:8px}.mobile-sign-fullscreen{display:none}.fullscreen-signature-hint{display:none;margin:0;text-align:center}.signature-pad-wrap{border:1px solid var(--ink);background-color:#fff;background-image:linear-gradient(#eee 1px,transparent 1px),linear-gradient(90deg,#eee 1px,transparent 1px);background-size:24px 24px;aspect-ratio:5/2;width:100%;overflow:hidden}.signature-pad-wrap canvas{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}
.signature-fullscreen-active{overflow:hidden;overscroll-behavior:none}.draw-workspace.is-signature-fullscreen{position:fixed;inset:0;z-index:1000;width:100vw;height:100dvh;padding:max(10px,env(safe-area-inset-top)) max(10px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;align-items:center;background:#fff}.draw-workspace.is-signature-fullscreen .signature-pad-wrap{width:min(100%,calc((100dvh - 138px)*2.5));min-width:0;margin:auto;aspect-ratio:5/2}.draw-workspace.is-signature-fullscreen .fullscreen-signature-hint{display:block}.draw-workspace.is-signature-fullscreen .draw-toolbar{width:100%}
.toolbar{display:flex;align-items:center;gap:10px;justify-content:flex-end}.toolbar.wrap{flex-wrap:wrap;justify-content:flex-start}.stroke-widths{display:flex;border:0;padding:0;margin:0 auto 0 0;gap:4px}.stroke-widths legend{float:left;margin-right:8px;font-size:.8rem}.stroke-widths label{position:relative}.stroke-widths input{position:absolute;opacity:0}.stroke-widths span{border:1px solid var(--line);padding:5px 9px;cursor:pointer}.stroke-widths input:checked+span{border-color:var(--ink);background:var(--ink);color:#fff}
.file-drop{display:flex;flex-direction:column;gap:4px;padding:28px;border:1px dashed var(--ink);cursor:pointer;text-align:center}.file-drop span{font-weight:400;font-size:.84rem;color:var(--muted)}
.upload-preview{height:220px;border:1px solid var(--line);background:#fff;display:grid;place-items:center}.upload-preview canvas{max-width:100%;max-height:100%}
input[type=range]{width:100%;accent-color:#111}.range-grid{display:grid;grid-template-columns:130px 1fr;gap:16px;align-items:center}.range-grid label{text-align:right}.range-grid output{font-weight:400;color:var(--muted)}
.slot-page-switcher,.slot-page-status{display:none}.slot-page-switcher{grid-template-columns:1fr 1fr;border:1px solid var(--ink);padding:3px}.slot-page-switcher button{min-height:46px;border:0;background:#fff;padding:8px 10px;font-weight:600;cursor:pointer}.slot-page-switcher button.selected{background:#111;color:#fff}.papers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.paper-wrap{margin:0}.paper-wrap figcaption{text-align:center;font-size:.8rem;color:var(--muted);margin-top:8px}.paper{position:relative;aspect-ratio:210/297;background:#fff;box-shadow:var(--shadow);overflow:hidden}.paper>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.slot-grid{position:absolute;left:11.9048%;top:10.7744%;width:76.1905%;height:84.1751%;display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(5,1fr)}
.slot-button{position:relative;border:0;background:rgba(255,255,255,.08);padding:0;cursor:pointer}.slot-button:hover:not(:disabled){background:rgba(0,0,0,.08)}.slot-button:disabled{cursor:not-allowed;background:rgba(80,80,80,.14)}.slot-button.selected{outline:3px solid #111;outline-offset:-3px;background:rgba(255,255,255,.3)}.slot-number{position:absolute;left:3px;top:2px;font-size:clamp(.45rem,1.3vw,.72rem);background:rgba(255,255,255,.8);padding:0 2px}.candidate{position:absolute;left:8%;right:8%;top:8%;bottom:20%;object-fit:contain;width:84%;height:72%;filter:grayscale(1)}
.consent{display:flex;gap:12px;align-items:flex-start}.consent input{width:20px;height:20px;flex:0 0 auto;margin-top:3px;accent-color:#111}
.dialog{border:1px solid var(--ink);width:min(560px,calc(100% - 28px));padding:32px;box-shadow:0 20px 80px rgba(0,0,0,.24)}.dialog::backdrop{background:rgba(0,0,0,.55)}.secret-box{padding:14px;background:var(--wash);overflow-wrap:anywhere;border:1px solid var(--line)}
.split-actions{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.split-actions>div{flex:1}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}.stat{background:#fff;border:1px solid var(--line);padding:24px;display:flex;flex-direction:column}.stat strong{font-size:2.2rem;line-height:1}.stat span{color:var(--muted);font-size:.8rem;margin-top:8px}
.inline-control{display:grid;grid-template-columns:130px 1fr auto;gap:16px;align-items:center}.admin-paper{pointer-events:none}.section-heading{display:flex;justify-content:space-between;align-items:center}.table-card{padding-left:0;padding-right:0}.table-card>.section-heading{padding:0 clamp(20px,4vw,36px)}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:660px}th,td{text-align:left;border-top:1px solid var(--line);padding:13px 18px;font-size:.88rem}th{color:var(--muted);font-weight:500}.danger-zone{border-color:#d8aaaa}.danger-zone h2{color:var(--danger)}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.pdf-export-root{position:fixed;left:-10000px;top:0;width:210mm;background:#fff;color:#000;font-family:NotoSansSC,sans-serif;pointer-events:none}.pdf-export-page{position:relative;width:210mm;height:297mm;overflow:hidden;background:#fff;color:#000}.pdf-export-watermarks{position:absolute;inset:0;z-index:0;overflow:hidden}.pdf-export-watermark{position:absolute;transform:rotate(-28deg);transform-origin:left top;font-size:11pt;line-height:1;white-space:nowrap}.pdf-export-header{position:absolute;inset:0 0 auto;z-index:3;text-align:center;white-space:nowrap}.pdf-export-title{position:absolute;top:8.3mm;left:0;width:210mm;font-size:18pt;line-height:1}.pdf-export-subtitle{position:absolute;top:17.2mm;left:0;width:210mm;font-size:10pt;line-height:1}.pdf-export-date{position:absolute;top:23.1mm;left:0;width:210mm;font-size:9pt;line-height:1}.pdf-export-art{position:absolute;inset:0;z-index:1;display:block;width:210mm;height:297mm}.pdf-export-nicknames{position:absolute;inset:0;z-index:2}.pdf-export-nickname{position:absolute;height:5mm;overflow:hidden;text-align:center;white-space:nowrap;font-size:9pt;line-height:5mm}.pdf-export-footer{position:absolute;left:0;top:288mm;z-index:3;width:210mm;text-align:center;font-size:7pt;line-height:1}
@media(max-width:900px),(pointer:coarse){.mobile-sign-fullscreen{display:inline-flex}}
@media(max-width:720px){.shell{width:min(100% - 20px,1120px);padding-top:28px}.topbar{padding:0 12px}.topbar nav{gap:10px;font-size:.78rem}.page-heading{align-items:flex-start}.slot-selection-card{padding-inline:12px}.slot-page-switcher{display:grid;position:sticky;top:72px;z-index:8;background:#fff}.slot-page-status{display:block;margin:0;text-align:center}.slot-papers{display:block}.slot-papers .paper-wrap{display:none;width:100%;max-width:480px;margin-inline:auto}.slot-papers .paper-wrap.mobile-active{display:block}.slot-button{min-width:0;touch-action:manipulation}.slot-number{left:4px;top:4px;font-size:clamp(.62rem,2.8vw,.78rem);line-height:1.35;padding:1px 4px;border:1px solid rgba(0,0,0,.18);border-radius:2px}.slot-button.selected{outline-width:4px}.range-grid{grid-template-columns:1fr;gap:8px}.range-grid label{text-align:left}.toolbar{flex-wrap:wrap}.draw-workspace-heading{align-items:flex-start}.draw-fullscreen-actions{margin-left:auto}.draw-workspace.is-signature-fullscreen .draw-workspace-heading{align-items:center}.draw-workspace.is-signature-fullscreen .draw-toolbar{flex-wrap:nowrap}.draw-workspace.is-signature-fullscreen .stroke-widths legend{display:none}.split-actions{flex-direction:column}.stats{grid-template-columns:1fr 1fr}.stats .stat:last-child{grid-column:1/-1}.inline-control{grid-template-columns:1fr}.hero{padding-top:20px}}
@media(max-height:430px) and (orientation:landscape){.draw-workspace.is-signature-fullscreen{gap:6px;padding-top:max(6px,env(safe-area-inset-top));padding-bottom:max(6px,env(safe-area-inset-bottom))}.draw-workspace.is-signature-fullscreen .draw-workspace-heading strong{font-size:.85rem}.draw-workspace.is-signature-fullscreen .signature-pad-wrap{width:min(100%,calc((100dvh - 112px)*2.5))}.draw-workspace.is-signature-fullscreen .fullscreen-signature-hint{font-size:.72rem;line-height:1.2}.draw-workspace.is-signature-fullscreen .button{min-height:38px;padding:6px 12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}