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12px}.custom-color-input{position:absolute;width:100%;height:100%;opacity:0;cursor:pointer}.custom-preview{background:#10b981}.format-quality-row{display:flex;gap:10px;margin-bottom:12px}.format-select{flex:1;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}.format-select:focus{border-color:var(--primary)}.quality-input-group{display:flex;align-items:center;border:1px solid var(--border);border-radius:10px;background:var(--bg-white);padding:0 12px}.quality-input{width:50px;border:none;background:transparent;color:var(--dark);font-size:.9rem;font-weight:600;outline:none;text-align:right}.quality-unit{color:var(--text-muted);font-size:.9rem}.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}.btn-resize{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,#10b981,#059669);color:#fff;font-size:1rem;font-weight:700;cursor:pointer;transition:var(--transition);margin-top:4px}.btn-resize:hover{transform:translateY(-1px);box-shadow:0 6px 20px #10b98166}.btn-resize:active{transform:translateY(0)}.btn-resize: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 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20px;border-bottom:1px solid var(--border);position:relative;z-index:10;background:var(--card-bg)}.preview-title{font-size:.95rem;font-weight:700;color:var(--dark)}.preview-actions{display:flex;gap:8px}.preview-action-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--border);border-radius:8px;background:var(--bg-white);color:var(--text-main);font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--transition)}.preview-action-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.preview-action-btn:disabled{opacity:.5;cursor:not-allowed}.preview-action-btn.btn-clear{color:#ef4444;border-color:#fecaca}.preview-action-btn.btn-clear:hover{background:#fef2f2;border-color:#ef4444}[data-theme=dark] .preview-action-btn.btn-clear{border-color:#ef44444d}[data-theme=dark] .preview-action-btn.btn-clear:hover{background:#ef444426}.preview-canvas-container{padding:20px;display:flex;justify-content:center;align-items:center;background:repeating-conic-gradient(#f0f0f0 0% 25%,#fff 0% 50%) 50% / 20px 20px;flex:1;overflow:auto}[data-theme=dark] .preview-canvas-container{background:repeating-conic-gradient(#333 0% 25%,#222 0% 50%) 50% / 20px 20px}#previewCanvas{max-width:100%;max-height:460px;box-shadow:0 4px 20px #0000001a}.preview-info{display:flex;justify-content:space-between;padding:12px 20px;border-top:1px solid var(--border);font-size:.82rem;color:var(--text-muted)}@media(max-width:1024px){.resize-app{max-width:100%;gap:16px;padding:20px 16px 48px}.settings-panel{width:320px;min-width:280px}}@media(max-width:860px){.resize-app{flex-direction:column;padding:16px 12px 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svg{width:32px;height:32px}.upload-title{font-size:.95rem}.fill-tab{padding:8px;font-size:.8rem}.align-btn{width:32px;height:32px}.bg-color-btn{width:42px;height:42px}.preview-header{flex-direction:column;gap:12px;align-items:flex-start}.preview-actions{width:100%}.preview-action-btn{flex:1;justify-content:center}.preview-canvas-container{padding:12px}.preview-info{flex-direction:column;gap:4px;text-align:center}}@media(max-width:380px){.resize-app{padding:10px 8px 36px}.panel-section{padding:14px 12px}.panel-title{font-size:.95rem}.smart-convert{padding:12px}.btn-resize{padding:12px 16px;font-size:.9rem}.upload-zone{padding:28px 12px;min-height:200px}.upload-title{font-size:.88rem}.upload-sub{font-size:.78rem}}.resize-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 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.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){.resize-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}}@media(max-width:640px){.resize-hero{padding:40px 16px 32px}.hero-title{font-size:1.5rem}.hero-desc{font-size:1rem}}