@keyframes spinner{to{transform:rotate(360deg)}}:root{--primary-color:#0071e3;--primary-hover:#0077ED;--bg-color:#ffffff;--text-color:#1d1d1f;--surface-color:#f5f5f7;--surface-variant:#e8e8ed;--border-color:#d2d2d7;--shadow-color:rgba(0, 0, 0, 0.1);--header-height:64px}.dark-mode{--primary-color:#2997ff;--primary-hover:#3DACFF;--bg-color:#1d1d1f;--text-color:#f5f5f7;--surface-color:#2d2d2f;--surface-variant:#3d3d3f;--border-color:#424245;--shadow-color:rgba(0, 0, 0, 0.4)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;color:var(--text-color);transition:background-color .3s,color .3s;line-height:1.5}header,main{padding:0 24px}body,header{background-color:var(--bg-color)}header{height:var(--header-height);justify-content:space-between;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--border-color)}h1{font-size:1rem}.header-actions,.header-logo,header{display:flex;align-items:center}.header-logo{font-size:20px;font-weight:600;gap:8px}.header-logo .material-symbols-outlined{font-size:22px;color:var(--primary-color)}.header-actions{gap:16px}.language-select{position:relative;display:flex;align-items:center;cursor:pointer}.language-dropdown{position:absolute;top:100%;right:0;background-color:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;min-width:150px;box-shadow:0 4px 12px var(--shadow-color);z-index:100;display:none;margin-top:8px;overflow:hidden;max-height:50vw;overflow-y:scroll}.language-dropdown.show{display:block}.language-option,.theme-toggle{cursor:pointer;transition:background-color .2s}.language-option{display:block;padding:10px 16px;color:var(--text-color);text-decoration:none}.language-option:hover{background-color:var(--surface-variant)}.language-option.active{font-weight:500;background-color:var(--surface-color)}.theme-toggle{display:flex;align-items:center;padding:4px;border-radius:50%}.theme-toggle:hover{background-color:var(--surface-variant)}.material-symbols-outlined{font-variation-settings:"FILL"0,"wght"400,"GRAD"0,"opsz"24;font-size:24px}main{max-width:1200px;margin:40px auto}.related-tools{background-color:var(--surface-color);border-radius:16px;padding:16px;margin-bottom:24px;box-shadow:0 2px 8px var(--shadow-color)}.related-tools-title{font-size:14px;color:rgba(29,29,31,.7);margin-bottom:12px;font-weight:500}.dark-mode .drop-area-text p,.dark-mode .related-tools-title{color:rgba(245,245,247,.7)}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.tool-item{background-color:var(--bg-color);border-radius:8px;padding:12px;text-align:center;border:1px solid var(--border-color);transition:all .2s;text-decoration:none;color:var(--text-color);display:flex;flex-direction:column;align-items:center;gap:6px}.tool-item:hover{border-color:var(--primary-color);box-shadow:0 2px 8px var(--shadow-color);transform:translateY(-2px)}.drop-area.highlight,.tool-item.active{border-color:var(--primary-color);background-color:rgba(0,113,227,.05)}.dark-mode .drop-area.highlight,.dark-mode .tool-item.active{background-color:rgba(41,151,255,.1)}.tool-icon{margin-bottom:4px;color:var(--primary-color)}.tool-name{font-size:14px;font-weight:500}.container{background-color:var(--surface-color);border-radius:16px;padding:40px;box-shadow:0 4px 20px var(--shadow-color);margin-bottom:40px}.drop-area{border:2px dashed var(--border-color);border-radius:12px;padding:60px 20px;text-align:center;transition:all .3s;margin-bottom:24px;position:relative;cursor:pointer}.drop-area-icon{font-size:48px;margin-bottom:16px;color:var(--primary-color)}.drop-area-text h3{font-size:20px;margin-bottom:8px;font-weight:500}.drop-area-text p{color:rgba(29,29,31,.7);margin-bottom:24px}.button{background-color:var(--primary-color);color:#fff;border:0;padding:12px 24px;border-radius:24px;font-size:16px;font-weight:500;cursor:pointer;transition:background-color .2s;display:inline-flex;align-items:center;gap:8px}.button:hover{background-color:var(--primary-hover)}.button.secondary,input[type=number]{background-color:var(--surface-variant);color:var(--text-color)}.button.secondary:hover{background-color:var(--border-color)}#file-input{display:none}.range-with-value{display:flex;align-items:center;gap:16px}.range-with-value input[type=range]{flex:1}.range-value{min-width:40px;text-align:right}input[type=number]{padding:8px 12px;border-radius:8px;border:1px solid var(--border-color);background-color:var(--bg-color);width:100%}input[type=range]{-webkit-appearance:none;height:4px;background:var(--border-color);border-radius:2px;outline:0;width:100%}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--primary-color);cursor:pointer}.toggle-switch{position:relative;display:inline-block;width:36px;height:20px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--border-color);transition:.4s;border-radius:34px}.toggle-slider:before{position:absolute;content:"";height:16px;width:16px;left:2px;bottom:2px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.toggle-slider{background-color:var(--primary-color)}input:checked+.toggle-slider:before{transform:translateX(16px)}.toggle-container{display:flex;align-items:center;gap:8px}.toggle-label{font-size:14px;font-weight:500}.toggle-hint{font-size:12px;color:rgba(29,29,31,.6);margin-left:4px}.dark-mode .toggle-hint{color:rgba(245,245,247,.6)}.resize-button-container{display:flex;justify-content:center;margin-top:32px}.resize-button{font-size:18px;padding:14px 32px}.images-preview{margin-top:32px;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;max-height:400px;overflow-y:auto;padding-right:16px}.image-item{background-color:var(--bg-color);border-radius:12px;overflow:hidden;box-shadow:0 2px 8px var(--shadow-color);position:relative}.image-preview{width:100%;height:150px;object-fit:cover}.image-info{padding:12px}.image-name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:8px}.image-size{font-size:12px;color:rgba(29,29,31,.7);display:flex;justify-content:space-between}.dark-mode .image-size,.dark-mode .summary-label{color:rgba(245,245,247,.7)}.results{margin-top:32px;display:none}.results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.results-title{font-size:20px;font-weight:600}.results-summary{background-color:var(--bg-color);border-radius:12px;padding:16px;margin-bottom:24px;display:flex;justify-content:space-around;text-align:center}.summary-item{flex:1}.article h2,.summary-value{font-size:24px;font-weight:600}.summary-value{margin-bottom:8px;color:var(--primary-color)}.summary-label{font-size:14px;color:rgba(29,29,31,.7)}.results-actions{display:flex;justify-content:center;gap:16px}.article{margin-top:40px}.article h2{margin-bottom:16px}.article ol,.article p,.article ul{margin-bottom:16px;color:rgba(29,29,31,.8)}.dark-mode .article p,.dark-mode .article ul .dark-mode .article ol{color:rgba(245,245,247,.8)}.article ol,.article ul{padding-left:24px}.article li{margin-bottom:8px}.share-container{margin:32px 0}.share-container p{text-align:center;font-weight:700;margin-bottom:1rem}.social-share{gap:16px;margin:32px 0}.footer-links,.social-button,.social-share{display:flex;justify-content:center}.social-button{width:40px;height:40px;border-radius:50%;align-items:center;background-color:var(--surface-variant);color:var(--text-color);transition:background-color .2s;overflow:hidden;border:0}.social-button:hover{background-color:var(--border-color)}footer{background-color:var(--surface-color);padding:32px 24px;text-align:center;margin-top:60px}.footer-links{gap:24px;margin-bottom:16px}.footer-link{color:var(--text-color);text-decoration:none;font-size:14px;transition:color .2s}.footer-link:hover{color:var(--primary-color)}.footer-text{font-size:12px;color:rgba(29,29,31,.7)}.dark-mode .footer-text,.dark-mode .loading-subtext{color:rgba(245,245,247,.7)}.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;display:none}.loading-container,select{background-color:var(--bg-color);width:100%}.loading-container{border-radius:16px;padding:32px;text-align:center;max-width:360px}.loading-spinner{width:64px;height:64px;margin:0 auto 24px;position:relative}.loading-spinner:before{content:"";box-sizing:border-box;position:absolute;top:0;left:0;width:100%;height:100%;border-radius:50%;border:4px solid var(--border-color);border-top-color:var(--primary-color);animation:spinner .8s linear infinite}.loading-text{font-size:18px;font-weight:500;margin-bottom:8px}.loading-subtext{font-size:14px;color:rgba(29,29,31,.7)}.loading-progress{margin-top:24px;width:100%;height:4px;background-color:var(--border-color);border-radius:2px;overflow:hidden}.loading-progress-bar{height:100%;background-color:var(--primary-color);width:0;transition:width .3s}.resize-mode-panel{margin-bottom:16px}select{appearance:none;-webkit-appearance:none;-moz-appearance:none;border:1px solid var(--border-color);border-radius:8px;font-size:14px;color:var(--text-color);transition:all .2s;background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2224%22%20height%3D%2224%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23777%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpolyline%20points%3D%226%209%2012%2015%2018%209%22%3E%3C%2Fpolyline%3E%3C%2Fsvg%3E);background-repeat:no-repeat;background-position:right 10px center;background-size:16px;padding:12px 36px 12px 16px;cursor:pointer}select:hover{border-color:var(--primary-color)}select:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 2px rgba(0,113,227,.2)}.dark-mode select{background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2224%22%20height%3D%2224%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23aaa%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpolyline%20points%3D%226%209%2012%2015%2018%209%22%3E%3C%2Fpolyline%3E%3C%2Fsvg%3E)}.settings{margin-top:32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}.settings-card{background-color:var(--bg-color);border-radius:16px;box-shadow:0 2px 12px var(--shadow-color);overflow:hidden}.settings-section{padding:16px;border-bottom:1px solid var(--border-color)}.settings-section.settings-advanced-toggle,.settings-section:last-child{border-bottom:none}.setting-item,.settings-header{margin-bottom:12px}.settings-header h3{font-size:17px;font-weight:600}.setting-item label{display:block;margin-bottom:6px;font-size:14px;font-weight:500}.resize-mode-selector{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px;margin-bottom:0}.resize-mode-option{position:relative}.resize-mode-option input[type=radio]{display:none}.resize-mode-option label{display:flex;justify-content:center;align-items:center;padding:10px 8px;background-color:var(--bg-color);border-radius:10px;font-weight:500;font-size:13px;cursor:pointer;transition:all .2s;border:1px solid var(--border-color);box-shadow:0 1px 3px rgba(0,0,0,.04);text-align:center;line-height:1.3;min-height:40px;width:100%}.resize-mode-option input[type=radio]:checked+label{background-color:rgba(0,113,227,.08);border-color:var(--primary-color);box-shadow:0 1px 4px rgba(0,113,227,.15);color:var(--primary-color)}.dark-mode .resize-mode-option input[type=radio]:checked+label{background-color:rgba(41,151,255,.12);border-color:var(--primary-color)}.dimension-inputs{display:grid;grid-template-columns:1fr 1fr;gap:12px}.dimension-input{display:flex;align-items:center;gap:8px}.dimension-input input[type=number]{flex:1;padding:10px 12px}.dimension-unit{font-size:13px;color:rgba(29,29,31,.7);font-weight:500}.dark-mode .dimension-unit{color:rgba(245,245,247,.7)}.aspect-custom-inputs{display:flex;align-items:center;gap:10px;margin-top:12px}.aspect-ratio-separator{font-size:20px;font-weight:600;color:var(--text-color)}.small-input{width:60px;padding:10px 8px}.quick-option,.quick-options{display:flex;align-items:center}.quick-options{flex-wrap:wrap;gap:16px 20px}.quick-option{gap:10px}.quick-option-label{font-size:14px;font-weight:500;cursor:pointer}.preset-selector{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:8px;margin-bottom:12px}.preset-option{background-color:var(--bg-color);border:1px solid var(--border-color);border-radius:10px;padding:10px 6px;text-align:center;cursor:pointer;transition:all .2s;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:70px}.preset-option.active,.preset-option:hover{border-color:var(--primary-color);background-color:rgba(0,113,227,.05)}.dark-mode .preset-option.active,.dark-mode .preset-option:hover,.dark-mode .preset-type-option.active,.dark-mode .preset-type-option:hover{background-color:rgba(41,151,255,.1)}.preset-icon{margin-bottom:6px;color:var(--primary-color)}.preset-icon .material-symbols-outlined{font-size:22px}.preset-name{font-size:11px;font-weight:500;line-height:1.2}.platform-presets-container{background-color:var(--surface-color);border-radius:10px;padding:10px;margin-top:12px}.preset-types{display:none}.preset-type-option{background-color:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;padding:10px;margin-bottom:6px;cursor:pointer;transition:all .2s}.preset-type-option:last-child{margin-bottom:0}.preset-type-option.active,.preset-type-option:hover{border-color:var(--primary-color);background-color:rgba(0,113,227,.05)}.preset-type-name{font-size:13px;font-weight:500}.preset-type-dimensions{font-size:11px;color:rgba(29,29,31,.7);margin-top:3px}.dark-mode .preset-type-dimensions{color:rgba(245,245,247,.7)}.settings-section.settings-advanced-toggle{padding-top:10px;padding-bottom:10px;display:flex;justify-content:center}.advanced-settings-btn{display:flex;align-items:center;gap:8px;border:1px solid var(--border-color);border-radius:24px;padding:8px 16px;font-weight:500;font-size:14px;cursor:pointer;transition:all .2s;color:var(--text-color)}.advanced-settings-btn:hover{background-color:var(--surface-variant)}.advanced-settings-btn .material-symbols-outlined{font-size:18px}.advanced-settings-btn,.advanced-settings-panel{background-color:var(--surface-color)}@media (max-width:768px){.container{padding:20px}.drop-area{padding:32px 16px}.results-summary{flex-direction:column;gap:16px}.tools-grid{grid-template-columns:repeat(2,1fr)}.settings-section{padding:12px}.settings-header h3{font-size:16px}}@media (max-width:480px){.resize-mode-selector{grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:8px}.resize-mode-option label{font-size:12px;padding:8px 6px;min-height:36px}.dimension-inputs{grid-template-columns:1fr;gap:10px}.quick-option-label,.setting-item label{font-size:13px}.preset-selector{grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:6px}.preset-option{padding:8px 4px;min-height:60px}.preset-icon .material-symbols-outlined{font-size:20px}.preset-name{font-size:10px}.platform-presets-container,.preset-type-option{padding:8px}.preset-type-name{font-size:12px}.preset-type-dimensions{font-size:10px}}