.blur-app{display:flex;gap:24px;max-width:1200px;margin:0 auto;padding:24px 20px 60px;align-items:stretch}.settings-panel{width:340px;min-width:300px;flex-shrink:0;display:flex;flex-direction:column}.panel-section{background:var(--card-bg);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);border:1px solid var(--border);flex:1;display:flex;flex-direction:column}.panel-title{display:flex;align-items:center;gap:8px;font-size:1.05rem;font-weight:700;color:var(--dark);margin:0 0 20px}.panel-title svg{color:var(--text-muted)}.blur-mode-label{font-size:.82rem;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:24px}.mode-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:14px 10px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-white);color:var(--text-muted);font-size:.82rem;font-weight:500;cursor:pointer;transition:var(--transition);text-align:center}.mode-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.mode-btn.active{border-color:var(--primary);color:var(--primary);background:var(--primary-light);font-weight:600;box-shadow:0 0 0 2px #0052ff1a}.mode-btn svg{color:currentColor;opacity:.7}.mode-btn.active svg{opacity:1}.field-group{margin-bottom:20px}.field-label{display:flex;align-items:center;gap:6px;font-size:.88rem;font-weight:600;color:var(--dark);margin-bottom:10px}.action-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}.btn-action{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-white);color:var(--text-muted);font-size:.88rem;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-action:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.btn-action:active{transform:scale(.97)}.btn-action:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-undo:hover:not(:disabled){border-color:#f59e0b;color:#f59e0b;background:#fffbeb}.btn-reset:hover:not(:disabled){border-color:#ef4444;color:#ef4444;background:#fef2f2}.btn-change-image{width:100%;margin-bottom:20px}.btn-change-image:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.format-select{width:100%;padding:10px 36px 10px 14px;border:1px solid var(--border);border-radius:10px;background:var(--bg-white);color:var(--dark);font-size:.9rem;font-weight:500;outline:none;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2366666e' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;transition:border-color .2s;margin-bottom:12px}.format-select:focus{border-color:var(--primary)}.quality-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.quality-value{font-size:.88rem;font-weight:700;color:var(--primary)}.quality-slider{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:var(--border);outline:none}.quality-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--primary);cursor:pointer;box-shadow:0 2px 8px #0052ff59;border:3px solid white;transition:box-shadow .2s}.quality-slider::-webkit-slider-thumb:hover{box-shadow:0 2px 14px #0052ff80}.quality-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--primary);cursor:pointer;box-shadow:0 2px 8px #0052ff59;border:3px solid white}.size-info{display:flex;justify-content:center;align-items:center;gap:6px;padding:10px 14px;background:var(--bg-gray);border-radius:10px;border:1px solid var(--border);font-size:.82rem;color:var(--text-muted);margin-bottom:20px}.size-info .size-arrow{color:var(--primary);font-weight:600}.btn-download{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 20px;border:none;border-radius:var(--radius-md);background:linear-gradient(135deg,#0052ff,#003db3);color:#fff;font-size:1rem;font-weight:700;cursor:pointer;transition:var(--transition);margin-top:4px}.btn-download:hover{transform:translateY(-1px);box-shadow:0 6px 20px #0052ff66}.btn-download:active{transform:translateY(0)}.btn-download:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.main-area{flex:1;min-width:0;display:flex;flex-direction:column}.main-area>*:first-child{flex:1}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:80px 24px;text-align:center;cursor:pointer;transition:var(--transition);background:var(--card-bg);display:flex;align-items:center;justify-content:center;height:100%;box-sizing:border-box}.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:var(--primary-light)}.upload-content{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.upload-icon{width:80px;height:80px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;color:var(--primary)}.upload-title{font-size:1.1rem;font-weight:600;color:var(--dark);margin:0 0 8px}.upload-sub{font-size:.9rem;color:var(--text-muted);margin:0 0 20px}.upload-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 28px;border:none;border-radius:10px;background:#1a1a2e;color:#fff;font-size:.95rem;font-weight:600;cursor:pointer;transition:var(--transition)}[data-theme=dark] .upload-btn{background:#e2e8f0;color:#1a1a2e}.upload-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #0003}.canvas-area{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column;height:100%}.canvas-toolbar{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;gap:4px;border-bottom:1px solid var(--border);background:var(--card-bg)}.toolbar-hint{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--text-muted)}.toolbar-hint svg{opacity:.6}.toolbar-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border);border-radius:8px;background:var(--bg-white);color:var(--text-muted);cursor:pointer;transition:var(--transition)}.toolbar-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.toolbar-btn:active{transform:scale(.95)}.blur-canvas-container{position:relative;display:flex;justify-content:center;align-items:center;background:repeating-conic-gradient(#f0f0f0 0% 25%,#fff 0% 50%) 50% / 20px 20px;flex:1;overflow:hidden;min-height:400px;user-select:none;-webkit-user-select:none}[data-theme=dark] .blur-canvas-container{background:repeating-conic-gradient(#333 0% 25%,#222 0% 50%) 50% / 20px 20px}.blur-wrapper{position:relative;display:inline-block;line-height:0}.blur-wrapper canvas{display:block;box-shadow:0 4px 20px #0000001a}.blur-wrapper #selectionCanvas{position:absolute;top:0;left:0;cursor:crosshair}.canvas-info{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-muted);background:var(--card-bg)}.canvas-info-left{display:flex;align-items:center;gap:12px}.info-hint{display:flex;align-items:center;gap:4px;font-size:.78rem}.info-hint svg{color:var(--text-muted);opacity:.6}@media(max-width:1024px){.blur-app{max-width:100%;gap:16px;padding:20px 16px 48px}.settings-panel{width:300px;min-width:260px}}@media(max-width:860px){.blur-app{flex-direction:column;padding:16px 12px 48px;align-items:stretch}.settings-panel{width:100%;min-width:0;position:static;order:2}.main-area{order:1;min-height:220px}.upload-zone,.canvas-area{height:auto;min-height:200px}.settings-panel .panel-section{display:grid;grid-template-columns:1fr 1fr;gap:16px}.settings-panel .panel-title,.settings-panel .blur-mode-label,.settings-panel .mode-grid,.settings-panel .field-group:has(.quality-slider),.settings-panel .size-info,.settings-panel .btn-download,.settings-panel .btn-change-image{grid-column:1 / -1}}@media(max-width:640px){.blur-app{padding:12px 10px 40px;gap:12px}.panel-section{padding:16px;border-radius:var(--radius-md)}.settings-panel .panel-section{grid-template-columns:1fr}.mode-grid{grid-template-columns:1fr 1fr;gap:8px}.mode-btn{padding:12px 8px;font-size:.78rem}.upload-zone{padding:28px 16px;min-height:200px}.upload-icon{width:60px;height:60px;margin-bottom:16px}.upload-icon svg{width:32px;height:32px}.upload-title{font-size:.95rem}.canvas-toolbar{padding:8px 12px}.toolbar-btn{width:32px;height:32px}.blur-canvas-container{min-height:300px;padding:8px}.canvas-info{flex-direction:column;gap:8px;text-align:center}.canvas-info-left{flex-wrap:wrap;justify-content:center;gap:8px}.action-buttons{grid-template-columns:1fr 1fr;gap:8px}}.blur-hero{background:linear-gradient(to bottom,var(--bg-white) 0%,var(--bg-gray) 100%);border-bottom:1px solid var(--border);padding:60px 20px 48px;text-align:center}.hero-title{font-size:2.2rem;font-weight:800;color:var(--dark);margin:0 0 12px;line-height:1.3}.hero-title span{color:var(--primary)}.hero-desc{font-size:1.15rem;color:var(--text-main);margin:0 0 8px}.hero-desc strong{color:var(--dark)}.hero-sub{font-size:.95rem;color:var(--text-muted);margin:0 0 40px}.blur-info{background:var(--bg-gray);border-top:1px solid var(--border);padding:60px 20px 80px}.blur-info .container{max-width:1200px;margin:0 auto}.faq-section{max-width:800px;margin:0 auto}.faq-title{font-size:1.5rem;font-weight:800;color:var(--dark);text-align:center;margin:0 0 32px}.faq-item{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;transition:border-color .2s}.faq-item:hover{border-color:var(--primary)}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border:none;background:transparent;cursor:pointer;text-align:left;font-size:.95rem;font-weight:600;color:var(--dark);line-height:1.5;transition:color .2s}.faq-question:hover{color:var(--primary)}.faq-arrow{flex-shrink:0;color:var(--text-muted);transition:transform .3s ease}.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--primary)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease}.faq-item.open .faq-answer{max-height:300px}.faq-answer p{padding:0 20px 18px;font-size:.9rem;color:var(--text-muted);line-height:1.7;margin:0}@media(max-width:640px){.blur-hero{padding:40px 16px 32px}.hero-title{font-size:1.5rem}.hero-desc{font-size:1rem}.blur-info{padding:40px 16px 60px}.faq-title{font-size:1.25rem}.faq-question{padding:14px 16px;font-size:.9rem}.faq-answer p{padding:0 16px 14px;font-size:.85rem}}