:root{--bg:#f4f6f9;--surface:#fff;--line:#e3e7ee;--line-strong:#cfd6e2;--text:#101828;--muted:#5b667a;--brand:#2563eb;--brand-dark:#1d4ed8;--brand-soft:#eaf1ff;--ok:#15803d;--ok-soft:#e9f7ee;--err:#b91c1c;--err-soft:#fdecec;--warn:#b45309;--pro:#b45309;--pro-soft:#fff4e5;--radius:8px;--shadow:0 1px 2px #1018280d, 0 6px 20px #1018280f}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:Segoe UI,Microsoft YaHei,PingFang SC,Noto Sans SC,system-ui,-apple-system,BlinkMacSystemFont,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:14px;line-height:1.55}button{font:inherit;color:inherit;cursor:pointer}input,select,textarea{font:inherit;color:inherit}h1,h2,h3{letter-spacing:0;margin:0}.app{min-height:100%;display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--line);flex-direction:column;flex:0 0 244px;width:244px;height:100vh;display:flex;position:sticky;top:0}.brand{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:16px 16px 12px;display:flex}.brand-logo{background:var(--brand);color:#fff;letter-spacing:.3px;border-radius:7px;place-items:center;width:36px;height:36px;font-size:13px;font-weight:800;display:grid}.brand b{font-size:15px;display:block}.brand small{color:var(--muted);font-size:11.5px}.sidebar nav{flex:1;padding:8px;overflow-y:auto}.nav-group{margin-bottom:10px}.nav-title{color:#8a94a6;letter-spacing:.4px;padding:8px 10px 4px;font-size:11px;font-weight:700;display:block}.nav-item{color:#364152;text-align:left;background:0 0;border:0;border-radius:6px;align-items:center;gap:9px;width:100%;margin-bottom:1px;padding:8px 10px;display:flex}.nav-item span{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.nav-item:hover{background:#f2f5fa}.nav-item.on{background:var(--brand-soft);color:var(--brand-dark);font-weight:600}.crown{color:var(--pro);flex:none}.side-foot{border-top:1px solid var(--line);padding:10px}.pro-btn{background:var(--pro-soft);width:100%;color:var(--pro);border:1px solid #f0d3a8;border-radius:6px;justify-content:center;align-items:center;gap:7px;padding:9px;font-weight:700;display:flex}.pro-active{background:var(--pro-soft);color:var(--pro);border-radius:6px;align-items:center;gap:6px;padding:9px 10px;font-size:12.5px;font-weight:600;display:flex}.pro-active button{color:var(--muted);background:0 0;border:0;margin-left:auto;font-size:12px;text-decoration:underline}.main{flex-direction:column;flex:1;min-width:0;display:flex}.topbar{z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#ffffffeb;justify-content:space-between;align-items:center;gap:12px;padding:12px 22px;display:flex;position:sticky;top:0}.topbar-title{font-size:15px;font-weight:700}.topbar-badges{flex-wrap:wrap;gap:8px;display:flex}.badge{background:var(--ok-soft);color:var(--ok);white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:4px 9px;font-size:12px;font-weight:600;display:inline-flex}.badge.soft{color:var(--muted);background:#eef2f7}.content{flex:1;width:100%;max-width:1080px;padding:22px}.foot{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:10px;padding:16px 22px;font-size:12.5px;display:flex}.hero{padding:8px 0 22px}.hero h1{font-size:26px;font-weight:800}.hero p{color:var(--muted);max-width:720px;margin:8px 0 0;font-size:14.5px}.hero-points{color:#364152;flex-wrap:wrap;gap:16px;margin-top:14px;font-size:13px;display:flex}.hero-points span{align-items:center;gap:5px;display:inline-flex}.hero-points svg{color:var(--ok)}.tool-section{margin-bottom:26px}.tool-section h2{color:#364152;margin-bottom:10px;font-size:15px}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:10px;display:grid}.tool-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-align:left;align-items:center;gap:12px;padding:14px;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex}.tool-card:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-1px)}.tool-icon{background:var(--brand-soft);width:40px;height:40px;color:var(--brand-dark);border-radius:7px;flex:0 0 40px;place-items:center;display:grid}.tool-text{flex-direction:column;min-width:0;display:flex}.tool-text b{align-items:center;gap:5px;font-size:14px;display:flex}.tool-text small{color:var(--muted);margin-top:2px;font-size:12px;line-height:1.4}.seo{border-top:1px solid var(--line);color:#475467;padding-top:20px}.seo h2{color:var(--text);margin-bottom:8px;font-size:16px}.seo h3{color:var(--text);margin:16px 0 6px;font-size:14px}.seo p{max-width:760px;margin:0 0 6px;font-size:13px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.panel-head{border-bottom:1px solid var(--line);padding:16px 18px}.panel-head h2{font-size:17px}.panel-head p{color:var(--muted);margin:4px 0 0;font-size:13px}.panel-body{flex-direction:column;gap:14px;padding:18px;display:flex}.dropzone{border:1.5px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);text-align:center;background:#fbfcfe;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:34px 18px;transition:border-color .15s,background .15s;display:flex}.dropzone:hover,.dropzone.over{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark)}.dropzone.compact{padding:18px}.dropzone.disabled{opacity:.6;pointer-events:none}.dropzone-title{color:var(--text);font-size:14px;font-weight:700}.dropzone.over .dropzone-title{color:var(--brand-dark)}.dropzone-hint{font-size:12.5px}.btn{white-space:nowrap;border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:7px;padding:9px 15px;font-size:13.5px;font-weight:600;display:inline-flex}.btn.full{width:100%}.btn.primary{background:var(--brand);color:#fff}.btn.primary:hover:not(:disabled){background:var(--brand-dark)}.btn.soft{background:var(--brand-soft);color:var(--brand-dark);border-color:#d3e0ff}.btn.ghost{border-color:var(--line-strong);color:#364152;background:0 0}.btn.ghost:hover:not(:disabled){background:#f2f5fa}.btn.danger{background:var(--err);color:#fff}.btn:disabled{opacity:.55;cursor:not-allowed}.icon-btn{border:1px solid var(--line);background:var(--surface);width:28px;height:28px;color:var(--muted);border-radius:6px;place-items:center;display:inline-grid}.icon-btn:hover{color:var(--text);background:#f2f5fa}.icon-btn.danger:hover{color:var(--err);background:var(--err-soft);border-color:#f3c6c6}.actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.field{flex-direction:column;gap:5px;display:flex}.field-label{color:#364152;font-size:12.5px;font-weight:600}.field input,.field select,textarea{border:1px solid var(--line-strong);background:#fff;border-radius:6px;outline:none;width:100%;padding:8px 10px}.field input:focus,.field select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.field input[type=range]{box-shadow:none;border:0;padding:0}.field input[type=color]{height:36px;padding:2px}.form-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));align-items:end;gap:12px;display:grid}.checkbox{color:#364152;align-items:center;gap:8px;font-size:13px;display:flex}.checkbox input{width:16px;height:16px}.segmented{background:#eef2f7;border-radius:7px;flex-wrap:wrap;gap:4px;padding:3px;display:inline-flex}.segmented button{color:#475467;background:0 0;border:0;border-radius:5px;padding:6px 11px;font-size:13px}.segmented button.on{color:var(--brand-dark);background:#fff;font-weight:700;box-shadow:0 1px 2px #10182814}.notice{color:#364152;background:#eef2f7;border-radius:6px;padding:10px 12px;font-size:13px}.notice.ok{background:var(--ok-soft);color:var(--ok)}.notice.err{background:var(--err-soft);color:var(--err)}.progress{color:var(--muted);align-items:center;gap:10px;font-size:12.5px;display:flex}.progress-bar{background:#e6eaf1;border-radius:999px;flex:1;height:7px;overflow:hidden}.progress-bar i{background:var(--brand);height:100%;transition:width .2s;display:block}.file-list{flex-direction:column;gap:7px;max-height:380px;display:flex;overflow-y:auto}.file-row{border:1px solid var(--line);background:#fbfcfe;border-radius:7px;align-items:center;gap:11px;padding:8px 10px;display:flex}.order{background:var(--brand-soft);width:22px;height:22px;color:var(--brand-dark);border-radius:5px;flex:0 0 22px;place-items:center;font-size:12px;font-weight:700;display:grid}.mini-thumb{object-fit:cover;border:1px solid var(--line);background:#fff;border-radius:4px;width:34px;height:44px}.mini-thumb.empty{background:#eef2f7}.file-meta{flex-direction:column;flex:1;min-width:0;display:flex}.file-meta b{text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.file-meta span{color:var(--muted);font-size:12px}.row-actions{flex:none;gap:5px;display:flex}.doc-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.page-preview{border:1px solid var(--line);background:#fbfcfe;border-radius:7px;max-height:420px;padding:10px;overflow-y:auto}.page-grid{grid-template-columns:repeat(auto-fill, minmax(var(--thumb,120px), 1fr));gap:9px;display:grid}.page-card{border:1.5px solid var(--line);background:#fff;border-radius:6px;padding:4px;position:relative}.page-card:disabled{cursor:default}.page-card.selected{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-soft)}.page-card.selected .page-no{background:var(--brand);color:#fff}.page-thumb{aspect-ratio:3/4;background:#f4f6f9;border-radius:4px;place-items:center;display:grid;overflow:hidden}.page-thumb img{object-fit:contain;width:100%;height:100%}.thumb-fallback{color:var(--muted);font-size:12px}.thumb-loading{border:2px solid #d5dbe6;border-top-color:var(--brand);border-radius:50%;width:20px;height:20px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.page-no{color:#fff;text-align:center;background:#101828b8;border-radius:4px;min-width:20px;padding:1px 5px;font-size:11px;position:absolute;bottom:5px;left:5px}.organize-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;display:grid}.organize-card{border:1px solid var(--line);cursor:grab;background:#fff;border-radius:7px;overflow:hidden}.organize-card.deleted{opacity:.4}.organize-thumb{aspect-ratio:3/4;background:#f4f6f9;place-items:center;display:grid;overflow:hidden}.organize-thumb img{object-fit:contain;max-width:100%;max-height:100%;transition:transform .2s}.organize-bar{border-top:1px solid var(--line);color:var(--muted);align-items:center;gap:4px;padding:5px 6px;font-size:11.5px;display:flex}.organize-bar span{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.organize-bar .icon-btn{width:24px;height:24px}.crop-wrap{justify-content:center;display:flex}.crop-stage{border:1px solid var(--line-strong);cursor:crosshair;-webkit-user-select:none;user-select:none;background:#f4f6f9;border-radius:7px;width:100%;max-width:620px;position:relative;overflow:hidden}.crop-stage img{pointer-events:none;width:100%;height:auto;display:block}.crop-rect{border:2px solid var(--brand);pointer-events:none;position:absolute;box-shadow:0 0 0 9999px #10182873}.crop-readout{text-align:center;color:var(--muted);font-size:12.5px}.text-out{resize:vertical;min-height:200px}.modal-mask{z-index:60;background:#10182873;place-items:center;padding:18px;display:grid;position:fixed;top:0;bottom:0;left:0;right:0}.modal{background:#fff;border-radius:8px;width:100%;max-width:440px;overflow:hidden;box-shadow:0 20px 60px #10182840}.modal.wide{max-width:680px}.modal>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.modal>header h3{font-size:15px}.modal-body{padding:16px}.pro-modal{flex-direction:column;gap:12px;display:flex}.pro-price{background:var(--pro-soft);color:var(--pro);border-radius:7px;align-items:center;gap:10px;padding:12px;display:flex}.pro-price b{font-size:17px;display:block}.pro-price small{color:#7c5a2a;font-size:12px}.pro-list{color:#364152;flex-direction:column;gap:7px;margin:0;padding:0;font-size:13px;list-style:none;display:flex}.pro-list li{align-items:center;gap:7px;display:flex}.pro-list svg{color:var(--ok)}.buy-line{color:#364152;background:#f4f6f9;border-radius:6px;padding:9px 11px;font-size:13px}@media (max-width:900px){.app{flex-direction:column}.sidebar{border-right:0;border-bottom:1px solid var(--line);flex:none;width:100%;height:auto;position:static}.sidebar nav{gap:6px;padding:8px;display:flex;overflow-x:auto}.nav-group{align-items:center;gap:5px;margin:0;display:flex}.nav-title{display:none}.nav-item{border:1px solid var(--line);flex:none;width:auto}.nav-item span{text-overflow:clip;white-space:nowrap;flex:none;overflow:visible}.side-foot{display:none}.content{padding:16px}.topbar{padding:10px 16px}.hero h1{font-size:22px}.foot{padding:14px 16px}}@media (max-width:560px){.tool-grid{grid-template-columns:1fr 1fr}.tool-card{flex-direction:column;align-items:flex-start;gap:8px;padding:12px}.tool-text small,.topbar-badges .badge.soft{display:none}.form-grid{grid-template-columns:1fr}.actions .btn{flex:auto}}