:root{color:#171a19;font-synthesis:none;--ink:#171a19;--paper:#f6f7f2;--muted:#717872;--line:#cdd2cc;--acid:#18d99a;--amber:#ffb84d;--dark:#202422;background:#e8ebe5;font-family:Aptos,Microsoft YaHei UI,sans-serif}*{box-sizing:border-box}html,body,#app{min-width:1120px;min-height:100%;margin:0}body{background:radial-gradient(circle at 16% 8%,#f8faf4 0,#0000 28%),#e8ebe5}button,input,textarea{font:inherit}button{color:inherit}[hidden]{display:none!important}.shell{min-height:100vh;padding:18px}.masthead{border-bottom:1px solid var(--ink);justify-content:space-between;align-items:center;height:54px;padding:0 2px 14px;display:flex}.wordmark{letter-spacing:-.03em;align-items:center;gap:10px;font-weight:800;display:flex}.wordmark small{color:var(--muted);letter-spacing:.08em;font:500 10px/1 Cascadia Mono,Microsoft YaHei UI,monospace}.signal{background:var(--acid);border-radius:50%;width:11px;height:11px;box-shadow:0 0 0 5px #18d99a24}.source-badge{letter-spacing:.08em;align-items:center;gap:8px;font:500 10px/1 Cascadia Mono,Microsoft YaHei UI,monospace;display:flex}.source-badge span{background:var(--acid);border-radius:50%;width:7px;height:7px}.welcome{grid-template-columns:1.1fr .9fr;align-items:center;gap:8vw;max-width:1280px;min-height:calc(100vh - 92px);margin:auto;padding:6vh 4vw;display:grid}.kicker{letter-spacing:.18em;color:#27775e;font:500 11px/1 Cascadia Mono,Microsoft YaHei UI,monospace}.welcome h1{letter-spacing:-.065em;max-width:820px;margin:24px 0 28px;font-size:clamp(50px,6vw,88px);line-height:.98}.welcome h1 em{color:#27775e;font-family:STSong,SimSun,serif;font-weight:500}.lede{color:#4f5752;max-width:620px;font-size:18px;line-height:1.75}.principles{letter-spacing:.08em;gap:24px;margin-top:48px;font:500 10px/1 Cascadia Mono,Microsoft YaHei UI,monospace;display:flex}.drop-zone{border:1px solid var(--ink);background:var(--dark);color:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:14px;min-height:420px;transition:transform .2s,box-shadow .2s,border-color .2s;display:flex;position:relative;box-shadow:22px 22px #171a191a}.drop-zone:before{content:"";pointer-events:none;border:1px dashed #68706b;position:absolute;top:12px;bottom:12px;left:12px;right:12px}.drop-zone:hover,.drop-zone.dragging{border-color:var(--acid);transform:translate(-4px,-4px);box-shadow:28px 28px #171a1924}.drop-zone input{opacity:0;pointer-events:none;position:absolute}.drop-icon{color:var(--acid);font:300 74px/1 Cascadia Mono,monospace}.drop-zone strong{letter-spacing:-.03em;font-size:24px}.drop-zone>span:not(.drop-icon){color:#b7beb9}.drop-zone .trust-option{z-index:1;color:var(--amber);align-items:center;gap:8px;margin-top:8px;font:500 10px/1 Cascadia Mono,Microsoft YaHei UI,monospace;display:flex;position:relative}.drop-zone .trust-option input{opacity:1;pointer-events:auto;width:14px;height:14px;accent-color:var(--acid);position:static}.drop-zone small{text-align:center;color:#8f9792;max-width:350px;margin-top:25px;line-height:1.6}.workspace{height:calc(100vh - 90px);padding-top:14px}.command-bar{border:1px solid var(--ink);background:var(--paper);border-bottom:0;grid-template-columns:1fr auto 1fr;align-items:center;height:58px;padding:0 14px;display:grid}.file-meta{align-items:center;gap:10px;min-width:0;display:flex}.file-meta div{flex-direction:column;min-width:0;display:flex}.file-meta strong{text-overflow:ellipsis;white-space:nowrap;max-width:440px;font-size:13px;overflow:hidden}.file-meta small{color:var(--muted);font:400 10px/1.4 Cascadia Mono,Microsoft YaHei UI,monospace}.file-dot{background:var(--amber);border-radius:50%;width:9px;height:9px}.history-actions,.export-actions{gap:7px;display:flex}.export-actions{justify-self:end}button{border:1px solid var(--line);cursor:pointer;background:#fff;min-height:36px;padding:0 12px;transition:all .15s}button:hover:not(:disabled){border-color:var(--ink);transform:translateY(-1px)}button:disabled{cursor:not-allowed;opacity:.38}.icon-button{font:500 12px/1 Cascadia Mono,monospace}.icon-button span{margin-left:3px;font-family:Aptos,Microsoft YaHei UI,sans-serif}.quiet-button{background:0 0}.primary-button{background:var(--ink);color:#fff;border-color:var(--ink);min-height:40px;font-weight:700}.primary-button span{color:var(--acid);margin-left:8px}.editor-grid{border:1px solid var(--ink);background:var(--paper);grid-template-columns:238px minmax(560px,1fr) 310px;height:calc(100% - 58px);display:grid}.slide-rail,.inspector{min-height:0}.slide-rail{border-right:1px solid var(--ink);overflow:auto}.inspector{border-left:1px solid var(--ink);grid-template-rows:58px 42px minmax(0,1fr);display:grid;position:relative;overflow:hidden}.panel-heading,.inspector-head{border-bottom:1px solid var(--line);background:#eff1eb;justify-content:space-between;align-items:center;height:58px;padding:11px 14px;display:flex}.panel-heading>div{align-items:baseline;gap:8px;display:flex}.panel-heading span,.inspector-head span,.section-title span{letter-spacing:.13em;font:500 10px/1 Cascadia Mono,monospace}.panel-heading strong{font:500 18px/1 Cascadia Mono,monospace}.panel-heading button{min-height:32px;padding:0 8px;font-size:11px}.rail-note{border-bottom:1px solid var(--line);min-height:28px;color:var(--muted);padding:7px 14px;font-size:11px;display:block}.inspector-head strong{color:#27775e;text-overflow:ellipsis;white-space:nowrap;max-width:170px;font:400 10px/1.2 Cascadia Mono,monospace;overflow:hidden}.slide-list{flex-direction:column;gap:6px;margin:0;padding:8px;list-style:none;display:flex}.slide-list li{grid-template-columns:1fr auto;gap:5px;display:grid}.slide-open{text-align:left;flex-direction:column;align-items:stretch;gap:6px;min-height:50px;padding:7px;display:flex}.slide-thumb{aspect-ratio:16/9;border:1px solid var(--line);color:#879089;background:linear-gradient(135deg,#e7eae4,#f7f8f4);place-items:center;width:100%;display:grid;overflow:hidden}.slide-thumb img{object-fit:contain;background:#fff;width:100%;height:100%;display:block}.slide-meta{grid-template-columns:30px 1fr;align-items:center;display:grid}.slide-meta>span{color:#27775e;font:500 11px/1 Cascadia Mono,monospace}.slide-open strong{font-size:11px;font-weight:600;line-height:1.35}.order-controls{grid-template-rows:1fr 1fr;gap:2px;display:grid}.order-controls button{width:28px;min-height:0;padding:0;font:500 11px/1 Cascadia Mono,monospace}.slide-rail:not(.sorting) .order-controls{display:none}.master-page-toggle{border:1px solid var(--line);background:#fff;grid-column:1/-1;justify-content:space-between;align-items:center;min-height:36px;padding:6px 8px;display:flex}.master-page-toggle input{width:18px;height:18px;accent-color:var(--acid);margin:0;display:inline-block}.master-page-toggle span{color:var(--muted);font-size:11px}.canvas-panel{background:#d7dbd4;grid-template-rows:42px 1fr;min-width:0;min-height:0;display:grid}.canvas-toolbar{border-bottom:1px solid var(--ink);background:#eff1eb;justify-content:space-between;align-items:center;padding:0 14px;display:flex}#status{font:500 10px/1 Cascadia Mono,monospace}#status[data-tone=busy]{color:#8b5a12}#status[data-tone=error]{color:#a12727}.canvas-help{color:var(--muted);font-size:10px}.canvas-stage{min-height:0;padding:20px;display:grid;position:relative}#preview{background:#fff;border:1px solid #929a94;width:100%;height:100%;box-shadow:0 16px 45px #171a1929}.loading{z-index:4;background:#f6f7f2eb;justify-content:center;align-items:center;gap:12px;font-size:13px;display:flex;position:absolute;top:20px;bottom:20px;left:20px;right:20px}.loading span{border:2px solid var(--line);border-top-color:#27775e;border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.inspector-head{z-index:3;position:sticky;top:0}.task-tabs{border-bottom:1px solid var(--line);background:var(--paper);grid-template-columns:repeat(3,1fr);display:grid}.task-tabs button{border:0;border-right:1px solid var(--line);background:0 0;min-height:42px;font-size:12px}.task-tabs button:last-child{border-right:0}.task-tabs button[aria-selected=true]{background:var(--ink);color:#fff}.task-bodies{min-height:0;overflow:auto}.task-panel{min-height:100%}.back-task{text-align:left;width:calc(100% - 28px);margin:12px 14px 0}.empty-selection{text-align:center;min-height:300px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;padding:24px 18px;display:flex}.empty-selection span{color:#9ba29d;font:300 44px/1 DM Mono,monospace}.empty-selection p{font-size:12px;line-height:1.6}.quick-tasks{gap:8px;width:100%;margin-top:14px;display:grid}.quick-tasks button{text-align:left;width:100%;font-weight:700}.editability-note{border-bottom:1px solid var(--line);color:#6f4a10;background:#fff8e8;margin:0;padding:10px 14px;font-size:12px;line-height:1.45}.editability-note[data-tone=ok]{color:#24664f;background:#e8f8f1}.editability-note[data-tone=image]{color:#315a8d;background:#edf3ff}.property-section,.preflight-panel,.change-panel{border-bottom:1px solid var(--line);padding:16px 14px}.section-title{justify-content:space-between;align-items:baseline;margin-bottom:14px;display:flex}.section-title small{color:var(--muted);font-size:11px}.field-grid{gap:9px;display:grid}.field-grid.two{grid-template-columns:1fr 1fr}label{color:#505852;font-size:12px;position:relative}label input,label textarea{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;outline:none;margin-top:5px;padding:8px 28px 8px 9px;display:block}label input:focus,label textarea:focus{border-color:#27775e;box-shadow:0 0 0 2px #27775e1f}label input[type=color]{height:36px;padding:3px}label i{color:#929993;font:400 9px/1 Cascadia Mono,monospace;position:absolute;bottom:9px;right:8px}.segmented{grid-template-columns:repeat(4,1fr);margin-top:9px;display:grid}.segmented button{margin-left:-1px;padding:0}.segmented button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.text-replace{margin-top:13px;display:block}.text-replace textarea{resize:vertical;padding-right:9px;line-height:1.45}.wide-button{background:#eff1eb;width:100%;margin-top:7px}.file-replace{cursor:pointer;text-align:center;background:#fff;border:1px dashed #8d9790;padding:10px;font-weight:700;display:block}.file-replace:hover{border-color:var(--ink)}.file-replace input{opacity:0;width:1px;height:1px;padding:0;position:absolute}.image-fit{grid-template-columns:1fr 1fr;gap:5px;margin-top:9px;display:grid}.image-fit button{min-height:36px;padding:0 6px;font-size:12px}.image-fit button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.align-grid{grid-template-columns:repeat(3,1fr);gap:5px;display:grid}.align-grid button{min-height:36px;padding:0 5px;font-size:11px}.snap-option{align-items:center;gap:7px;margin-top:11px;display:flex}.snap-option input{width:14px;height:14px;accent-color:var(--acid);margin:0;padding:0;display:inline-block}.microcopy{color:#7b837e;margin:10px 0 0;font-size:11px;line-height:1.55}.change-list{flex-direction:column;gap:7px;margin:0;padding:0;list-style:none;display:flex}.change-list li{border-left:3px solid var(--acid);background:#fff;justify-content:space-between;gap:8px;padding:8px 9px;display:flex}.change-list strong{font-size:12px}.change-list span{color:var(--muted);font:400 11px/1.2 Cascadia Mono,monospace}.change-list .no-changes{border-left-color:var(--line);color:var(--muted);font-size:12px}.preflight-list{flex-direction:column;gap:5px;margin:10px 0 0;padding:0;list-style:none;display:flex}.preflight-list li{margin:0}.preflight-list button{text-align:left;border-left:3px solid var(--amber);width:100%;min-height:36px;padding:6px 8px;font-size:12px;line-height:1.35}.preflight-list .no-issues{color:var(--muted);font-size:11px;line-height:1.45}.delivery-panel{z-index:6;background:var(--paper);grid-template-rows:58px minmax(0,1fr) 64px;display:grid;position:absolute;top:0;bottom:0;left:0;right:0}.delivery-head{border-bottom:1px solid var(--line);background:#eff1eb;justify-content:space-between;align-items:center;padding:11px 14px;display:flex}.delivery-head span{letter-spacing:.13em;font:500 10px/1 Cascadia Mono,monospace}.delivery-head strong{font-size:14px}.delivery-body{min-height:0;padding:16px 14px;overflow:auto}.delivery-body>p{color:var(--muted);margin:0 0 14px;font-size:12px;line-height:1.5}.delivery-summary{border:1px solid var(--line);background:#fff;margin:0 0 16px}.delivery-summary div{border-bottom:1px solid var(--line);grid-template-columns:86px 1fr;padding:9px;font-size:12px;display:grid}.delivery-summary div:last-child{border-bottom:0}.delivery-summary dt{color:var(--muted)}.delivery-summary dd{margin:0;font-weight:600}.delivery-action{text-align:left;flex-direction:column;justify-content:center;align-items:flex-start;width:100%;min-height:58px;margin-top:8px;display:flex}.delivery-action strong{font-size:13px}.delivery-action span{color:var(--muted);margin-top:3px;font-size:11px}.delivery-footer{border-top:1px solid var(--line);background:#eff1eb;padding:12px 14px;position:sticky;bottom:0}.delivery-footer button{width:100%;min-height:40px}.master-panel{z-index:7;background:var(--paper);grid-template-rows:58px 44px minmax(0,1fr) 64px;display:grid;position:absolute;top:0;bottom:0;left:0;right:0}.master-head{border-bottom:1px solid var(--line);background:#eff1eb;justify-content:space-between;align-items:center;padding:11px 14px;display:flex}.master-head span{letter-spacing:.13em;font:500 10px/1 Cascadia Mono,monospace}.master-head strong{font-size:14px}.master-progress{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.master-progress span{border-right:1px solid var(--line);color:var(--muted);text-align:center;place-items:center;padding:0 5px;font-size:11px;display:grid}.master-progress span:last-child{border-right:0}.master-progress span.active{background:var(--ink);color:#fff}.master-body{min-height:0;padding:16px 14px;overflow:auto}.master-body h3{margin:0 0 8px;font-size:16px}.master-body>section>p{color:var(--muted);margin:0 0 14px;font-size:12px;line-height:1.55}.master-summary{border:1px solid var(--line);background:#fff;padding:12px;font-size:12px;line-height:1.5}.candidate-group{border:1px solid var(--line);margin:0 0 12px;padding:10px}.candidate-group legend{padding:0 5px;font-size:12px;font-weight:700}.candidate-group legend input{vertical-align:middle;width:18px;height:18px;accent-color:var(--acid)}.candidate-group>p{color:var(--muted);margin:5px 0;font-size:11px}.candidate-option{border-top:1px solid var(--line);grid-template-columns:20px 1fr;gap:7px;padding:8px 0;display:grid}.candidate-option input{width:18px;height:18px;accent-color:var(--acid);margin:1px 0 0}.candidate-option span{flex-direction:column;gap:3px;display:flex}.candidate-option strong{color:var(--ink);font-size:12px}.candidate-option small{color:var(--muted);font-size:11px;line-height:1.4}.master-settings{border:1px solid var(--line);background:#fff;margin-bottom:14px;padding:12px}.master-settings h4{margin:0 0 12px;font-size:13px}.master-settings>label{margin-top:10px;display:block}.master-settings select{border:1px solid var(--line);background:#fff;width:100%;min-height:36px;margin-top:5px;padding:6px 8px;display:block}.master-settings>small{color:var(--muted);margin:7px 0;font-size:11px;display:block}.master-error{color:#7d1d1d;background:#fff0f0;border-left:3px solid #a12727;padding:10px;font-size:12px;line-height:1.45}.master-footer{border-top:1px solid var(--line);background:#eff1eb;grid-template-columns:auto auto 1fr;gap:7px;padding:12px 14px;display:grid;position:sticky;bottom:0}.master-footer .primary-button{grid-column:3}button:focus-visible{outline:3px solid var(--acid);outline-offset:2px}input:focus-visible{outline:3px solid var(--acid);outline-offset:2px}textarea:focus-visible{outline:3px solid var(--acid);outline-offset:2px}