:root{--bg: #0f1117;--bg-elev: #171a23;--bg-elev-2: #1e2230;--surface: #1a1d28;--border: #2a2f3e;--border-strong: #3a4152;--text: #e8eaf0;--text-dim: #a2a9bd;--text-faint: #6b7280;--primary: #7c5cff;--primary-hover: #8f73ff;--primary-dim: rgba(124, 92, 255, .14);--accent: #22d3ee;--success: #34d399;--warning: #fbbf24;--danger: #f87171;--radius: 12px;--radius-sm: 8px;--radius-lg: 18px;--shadow: 0 4px 24px rgba(0, 0, 0, .35);--shadow-lg: 0 12px 48px rgba(0, 0, 0, .5);--ring: 0 0 0 3px var(--primary-dim);--sidebar-w: 264px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow:hidden}button{font-family:inherit;cursor:pointer}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:8px;border:2px solid transparent;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background:#4a5266;background-clip:content-box}.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100vh}.sidebar{background:var(--bg-elev);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden}.brand{display:flex;align-items:center;gap:11px;padding:20px 20px 16px}.brand-logo{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--primary),#b06bff);display:grid;place-items:center;color:#fff;box-shadow:0 6px 18px #7c5cff66}.brand-name{font-size:17px;font-weight:700;letter-spacing:-.02em}.brand-sub{font-size:11px;color:var(--text-faint);margin-top:1px}.nav{flex:1;overflow-y:auto;padding:6px 12px 20px}.nav-group-label{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--text-faint);padding:16px 10px 6px}.nav-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border:none;background:transparent;color:var(--text-dim);border-radius:var(--radius-sm);font-size:13.5px;font-weight:500;text-align:left;transition:background .12s,color .12s}.nav-item:hover{background:var(--bg-elev-2);color:var(--text)}.nav-item.active{background:var(--primary-dim);color:#fff}.nav-icon{color:var(--text-faint);display:grid;place-items:center;flex-shrink:0}.nav-item.active .nav-icon{color:var(--primary-hover)}.sidebar-footer{padding:14px 18px;border-top:1px solid var(--border);font-size:11px;color:var(--text-faint);display:flex;align-items:center;gap:7px}.main{overflow-y:auto;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:5;backdrop-filter:blur(12px);background:#0f1117b8;border-bottom:1px solid var(--border);padding:16px 32px;display:flex;align-items:center;justify-content:space-between}.topbar-title{font-size:19px;font-weight:700;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}.topbar-desc{font-size:12.5px;color:var(--text-dim);margin-top:2px}.badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;color:var(--success);background:#34d3991f;padding:5px 11px;border-radius:999px}.content{padding:28px 32px 60px;max-width:920px;width:100%;margin:0 auto}.hero{text-align:center;padding:30px 0 34px}.hero h1{font-size:34px;font-weight:800;letter-spacing:-.03em;margin:0 0 10px;background:linear-gradient(120deg,#fff 20%,#c9b8ff 90%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero p{font-size:15px;color:var(--text-dim);max-width:540px;margin:0 auto;line-height:1.6}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:8px}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;text-align:left;transition:transform .14s,border-color .14s,box-shadow .14s;display:flex;flex-direction:column;gap:10px}.tool-card:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--shadow)}.tool-card-icon{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;color:#fff}.tool-card h3{margin:0;font-size:14.5px;font-weight:650}.tool-card p{margin:0;font-size:12.5px;color:var(--text-dim);line-height:1.5}.panel{animation:fade .25s ease}@keyframes fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:18px}.card-title{font-size:14px;font-weight:650;margin:0 0 4px;display:flex;align-items:center;gap:8px}.card-hint{font-size:12.5px;color:var(--text-dim);margin:0 0 16px;line-height:1.5}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius);padding:40px 24px;text-align:center;transition:border-color .15s,background .15s;cursor:pointer;background:var(--bg-elev)}.dropzone:hover,.dropzone.drag{border-color:var(--primary);background:var(--primary-dim)}.dropzone-icon{color:var(--primary-hover);margin-bottom:12px}.dropzone-title{font-size:15px;font-weight:600;margin-bottom:5px}.dropzone-sub{font-size:12.5px;color:var(--text-dim)}.dropzone-types{margin-top:12px;font-size:11px;color:var(--text-faint)}.file-list{display:flex;flex-direction:column;gap:8px;margin-top:16px}.file-row{display:flex;align-items:center;gap:12px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 13px}.file-row.draggable{cursor:grab}.file-row.dragging{opacity:.4}.file-icon{width:34px;height:34px;border-radius:8px;background:var(--primary-dim);display:grid;place-items:center;color:var(--primary-hover);flex-shrink:0}.file-meta{flex:1;min-width:0}.file-name{font-size:13px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-size{font-size:11.5px;color:var(--text-faint)}.file-remove{border:none;background:transparent;color:var(--text-faint);padding:6px;border-radius:6px;display:grid;place-items:center}.file-remove:hover{background:#f8717124;color:var(--danger)}.file-handle{color:var(--text-faint);cursor:grab}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:var(--radius-sm);padding:11px 18px;font-size:13.5px;font-weight:600;transition:background .13s,transform .08s,opacity .13s}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-ghost{background:var(--bg-elev-2);color:var(--text);border-color:var(--border)}.btn-ghost:hover:not(:disabled){border-color:var(--border-strong)}.btn-block{width:100%}.btn-lg{padding:13px 22px;font-size:14.5px}.actions-row{display:flex;gap:10px;margin-top:4px}.field{margin-bottom:16px}.field:last-child{margin-bottom:0}.label{display:block;font-size:12.5px;font-weight:600;margin-bottom:7px;color:var(--text-dim)}.input,.textarea,.select{width:100%;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;color:var(--text);font-size:13.5px;font-family:inherit;transition:border-color .13s,box-shadow .13s}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--primary);box-shadow:var(--ring)}.textarea{resize:vertical;min-height:120px;line-height:1.55}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.hint-inline{font-size:11.5px;color:var(--text-faint);margin-top:6px}.chip-row{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid var(--border);background:var(--bg-elev);color:var(--text-dim);padding:7px 13px;border-radius:999px;font-size:12.5px;font-weight:550}.chip.active{border-color:var(--primary);background:var(--primary-dim);color:#fff}.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:14px;margin-top:16px}.thumb{position:relative;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px;transition:border-color .13s,transform .13s}.thumb.dragging{opacity:.4}.thumb.selected{border-color:var(--primary);box-shadow:var(--ring)}.thumb.deleted{opacity:.35;filter:grayscale(1)}.thumb-canvas-wrap{position:relative;background:#fff;border-radius:5px;overflow:hidden;aspect-ratio:.72;display:grid;place-items:center}.thumb-canvas-wrap canvas,.thumb-canvas-wrap img{max-width:100%;max-height:100%;transition:transform .2s}.thumb-num{position:absolute;bottom:6px;left:6px;background:#000000a8;color:#fff;font-size:10.5px;font-weight:600;padding:2px 7px;border-radius:5px}.thumb-toolbar{display:flex;justify-content:center;gap:5px;margin-top:8px}.thumb-btn{border:1px solid var(--border);background:var(--bg-elev-2);color:var(--text-dim);width:28px;height:26px;border-radius:6px;display:grid;place-items:center}.thumb-btn:hover{color:var(--text);border-color:var(--border-strong)}.thumb-btn.danger:hover{color:var(--danger);border-color:var(--danger)}.result{display:flex;align-items:center;gap:14px;background:#34d39914;border:1px solid rgba(52,211,153,.28);border-radius:var(--radius);padding:16px 18px;margin-top:4px}.result-icon{width:40px;height:40px;border-radius:10px;background:#34d39929;color:var(--success);display:grid;place-items:center;flex-shrink:0}.result-text{flex:1}.result-title{font-size:13.5px;font-weight:650}.result-sub{font-size:12px;color:var(--text-dim)}.empty-note{font-size:12.5px;color:var(--text-faint);text-align:center;padding:20px}.toast-wrap{position:fixed;bottom:24px;right:24px;z-index:100;display:flex;flex-direction:column;gap:10px}.toast{min-width:260px;max-width:380px;background:var(--bg-elev-2);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:13px 15px;box-shadow:var(--shadow-lg);display:flex;align-items:flex-start;gap:11px;animation:toastIn .22s ease}@keyframes toastIn{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:none}}.toast.success{border-left:3px solid var(--success)}.toast.error{border-left:3px solid var(--danger)}.toast.info{border-left:3px solid var(--accent)}.toast-body{flex:1}.toast-title{font-size:13px;font-weight:650}.toast-msg{font-size:12px;color:var(--text-dim);margin-top:2px;line-height:1.45}.spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.28);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.progress-bar{height:6px;background:var(--bg-elev);border-radius:999px;overflow:hidden;margin-top:14px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .2s}.rte-toolbar{display:flex;flex-wrap:wrap;gap:4px;padding:8px;background:var(--bg-elev);border:1px solid var(--border);border-bottom:none;border-radius:var(--radius-sm) var(--radius-sm) 0 0}.rte-btn{border:1px solid transparent;background:transparent;color:var(--text-dim);min-width:32px;height:30px;padding:0 8px;border-radius:6px;display:grid;place-items:center;font-size:13px}.rte-btn:hover{background:var(--bg-elev-2);color:var(--text)}.rte-sep{width:1px;background:var(--border);margin:4px 3px}.rte-area{min-height:280px;max-height:460px;overflow-y:auto;background:#fff;color:#1a1a1a;padding:24px 28px;border:1px solid var(--border);border-radius:0 0 var(--radius-sm) var(--radius-sm);font-size:14px;line-height:1.7;outline:none}.rte-area:focus{box-shadow:inset 0 0 0 2px var(--primary-dim)}.rte-area h1{font-size:26px}.rte-area h2{font-size:21px}.rte-area a{color:#6d28d9}.divider{height:1px;background:var(--border);margin:18px 0}.info-strip{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--text-dim);background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 13px;margin-top:14px}.info-strip svg{color:var(--accent);flex-shrink:0}.stat-row{display:flex;gap:22px;margin-top:6px}.stat{font-size:12px;color:var(--text-dim)}.stat b{color:var(--text);font-weight:650}.mono{font-family:var(--mono);font-size:12px}.ad-slot{position:relative;display:block;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;transition:border-color .14s,transform .14s}.ad-label{position:absolute;top:6px;right:7px;z-index:2;font-size:9px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);background:var(--bg-elev-2);border:1px solid var(--border);padding:1px 5px;border-radius:4px}.ad-house:hover{border-color:var(--border-strong);transform:translateY(-2px)}.ad-house-emoji{display:grid;place-items:center;color:#fff;flex-shrink:0}.ad-house-emoji span{filter:drop-shadow(0 1px 2px rgba(0,0,0,.3))}.ad-house-title{font-size:13.5px;font-weight:700;color:var(--text)}.ad-house-text{font-size:12px;color:var(--text-dim);line-height:1.45;margin-top:2px}.ad-house-cta{display:inline-block;margin-top:7px;font-size:12px;font-weight:650;color:var(--primary-hover)}.ad-slot.ad-sidebar{margin:0 12px 10px}.ad-house.ad-sidebar{padding:13px}.ad-house.ad-sidebar .ad-house-emoji{width:34px;height:34px;border-radius:9px;font-size:18px;margin-bottom:9px}.ad-slot.ad-in-content{margin:22px 0 4px}.ad-house.ad-in-content{display:flex;align-items:center;gap:15px;padding:15px 18px}.ad-house.ad-in-content .ad-house-emoji{width:46px;height:46px;border-radius:12px;font-size:24px}.ad-house.ad-in-content .ad-house-cta{margin-top:5px}@media(max-width:860px){.app{grid-template-columns:1fr}.sidebar{display:none}.content{padding:20px 16px 50px}}a.tool-card,a.nav-item,a.brand{text-decoration:none;color:inherit}a.nav-item{color:var(--text-dim)}a.nav-item.active{color:#fff}.topbar-title{margin:0}.seo-static{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.seo-content{margin-top:36px;color:var(--text-dim);font-size:14.5px;line-height:1.7}.seo-content h1{color:var(--text);font-size:28px;letter-spacing:-.02em;margin:0 0 12px}.seo-content h2{color:var(--text);font-size:18px;margin:26px 0 8px}.seo-content h3{color:var(--text);font-size:15px;margin:0 0 4px}.seo-content p{margin:0 0 10px}.seo-content a{color:var(--primary-hover)}.seo-content ol,.seo-content ul{padding-left:20px;margin:0 0 10px}.faq-item{margin-bottom:14px}.info-page{margin-top:0}.site-footer{margin-top:auto;padding:22px 32px 26px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-faint);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center}.site-footer nav{display:flex;flex-wrap:wrap;gap:6px 18px}.site-footer a{color:var(--text-dim);text-decoration:none}.site-footer a:hover{color:var(--text);text-decoration:underline}