*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;min-height:100vh}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f8fc}#root{min-height:100vh}:root{--primary-color: #4a90d9;--success-color: #52c41a;--error-color: #ff4d4f;--bg-color: #f5f8fc;--card-bg: #ffffff;--text-primary: #1a1a2e;--text-secondary: #666666;--text-muted: #999999;--border-color: #e8f0fe;--shadow-light: 0 2px 8px rgba(0, 0, 0, .08);--shadow-hover: 0 8px 24px rgba(0, 0, 0, .12)}.app{min-height:100vh;background:var(--bg-color)}.main-content{max-width:1200px;margin:0 auto;padding:32px 24px}.tools-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}@media(max-width:1024px){.tools-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:768px){.tools-grid{grid-template-columns:repeat(2,1fr);gap:16px}.main-content{padding:20px 16px}}@media(max-width:480px){.tools-grid{grid-template-columns:1fr}}.tool-wrapper{display:flex;flex-direction:column;gap:16px}.input-group{display:flex;flex-direction:column;gap:8px}.input-label{font-size:14px;font-weight:500;color:var(--text-secondary)}.input-field{padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;color:var(--text-primary);background:#fafafa;transition:all .2s ease;outline:none;width:100%;box-sizing:border-box}.input-field:focus{border-color:var(--primary-color);background:#fff;box-shadow:0 0 0 3px #4a90d91a}.textarea-field{padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;color:var(--text-primary);background:#fafafa;transition:all .2s ease;outline:none;font-family:Monaco,Menlo,Ubuntu Mono,monospace;resize:vertical;min-height:80px}.textarea-field:focus{border-color:var(--primary-color);background:#fff;box-shadow:0 0 0 3px #4a90d91a}.textarea-field:read-only{background:#f5f5f5;color:var(--text-secondary)}.btn-group{display:flex;gap:12px;flex-wrap:wrap}.action-btn{padding:10px 24px;border:1px solid var(--border-color);border-radius:8px;background:#fff;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.action-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.action-btn.primary{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.action-btn.primary:hover{background:#3a7fc8;border-color:#3a7fc8}.copy-btn{padding:8px 16px;border:none;border-radius:6px;background:var(--primary-color);color:#fff;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.copy-btn:hover{background:#3a7fc8}.copy-btn.small{padding:4px 10px;font-size:12px}.status-bar{padding:10px 16px;border-radius:6px;font-size:14px}.status-bar.success{background:#52c41a1a;color:var(--success-color)}.status-bar.error{background:#ff4d4f1a;color:var(--error-color)}.copy-hint{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;z-index:2000;animation:fadeInOut 2s ease}.copy-hint.success{background:#52c41ae6;color:#fff}@keyframes fadeInOut{0%{opacity:0;transform:translate(-50%,-50%) scale(.9)}10%{opacity:1;transform:translate(-50%,-50%) scale(1)}90%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-50%) scale(.9)}}.divider{height:1px;background:var(--border-color);margin:8px 0}.current-section{display:flex;flex-direction:column;gap:12px}.current-item{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:space-between}.current-item .current-value{flex:1;text-align:left}.current-label{font-size:14px;color:var(--text-secondary)}.current-value{font-size:14px;font-weight:600;color:var(--text-primary);font-family:Monaco,Menlo,Ubuntu Mono,monospace}.result-container{position:relative;width:100%}.result-container .textarea-field{width:100%;box-sizing:border-box}.result-container .copy-btn{position:absolute;top:8px;right:8px;z-index:1}.tabs{display:flex;background:#f5f5f5;border-radius:8px;padding:4px}.tab{flex:1;padding:10px 16px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.tab.active{background:#fff;color:var(--primary-color);box-shadow:0 2px 4px #0000000f}.input-with-btn{display:flex;gap:8px}.input-with-btn .input-field{flex:1}.color-preview{display:flex;flex-direction:column;align-items:center;gap:16px;padding:20px;background:#fafafa;border-radius:12px}.color-block{width:80px;height:80px;border-radius:12px;border:2px solid #e0e0e0;box-shadow:0 4px 12px #0000001a}.color-code{display:flex;flex-direction:column;gap:8px;text-align:center}.code-item{font-size:13px;color:var(--text-secondary);font-family:Monaco,Menlo,Ubuntu Mono,monospace}.uuid-display{display:flex;flex-direction:column;align-items:center;gap:16px}.uuid-value{font-size:16px;font-weight:600;color:var(--text-primary);font-family:Monaco,Menlo,Ubuntu Mono,monospace;word-break:break-all;text-align:center;padding:16px;background:#fafafa;border-radius:12px;border:1px solid var(--border-color)}.generate-btn{width:100%}.history-section{margin-top:8px}.history-title{font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:12px}.history-list{display:flex;flex-direction:column;gap:8px}.history-item{display:flex;align-items:center;gap:12px;padding:10px 12px;background:#fafafa;border-radius:8px;flex-wrap:wrap}.history-index{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:var(--primary-color);color:#fff;border-radius:50%;font-size:12px;font-weight:600}.history-uuid{flex:1;font-size:13px;color:var(--text-primary);font-family:Monaco,Menlo,Ubuntu Mono,monospace;word-break:break-all}.random-settings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.setting-item{min-width:0}.setting-item .input-label{display:block;margin-bottom:8px}@media(max-width:600px){.random-settings{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:400px){.random-settings{grid-template-columns:1fr}}.results-section{display:flex;flex-direction:column;gap:12px}.results-label{font-size:14px;font-weight:500;color:var(--text-secondary)}.code-preview{display:flex;justify-content:center;align-items:center;padding:20px;background:#fafafa;border-radius:12px;border:1px solid var(--border-color);min-height:120px}.code-preview svg,.code-preview canvas{max-width:100%;height:auto}.av-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.av-file-selector{display:flex;align-items:center;background:#fff;border:1px solid var(--border-color);border-radius:8px;overflow:hidden;flex:1;min-width:200px;max-width:320px}.av-file-btn{padding:8px 16px;border:none;background:linear-gradient(135deg,#4a90d9,#357abd);color:#fff;font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .2s ease}.av-file-btn:hover{background:linear-gradient(135deg,#357abd,#2d6bb3)}.av-file-name{flex:1;padding:8px 12px;font-size:13px;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.av-tabs{display:flex;background:#f5f5f5;border-radius:8px;padding:3px}.av-tab{padding:7px 14px;border:none;border-radius:6px;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease}.av-tab.active{background:#fff;color:var(--primary-color);box-shadow:0 1px 3px #00000014}.av-themes{display:flex;gap:6px}.av-theme-select{padding:7px 12px;border:1px solid var(--border-color);border-radius:8px;background:#fff;color:var(--text-primary);font-size:13px;cursor:pointer;outline:none}.av-theme-select:focus{border-color:var(--primary-color)}.av-fullscreen-btn{width:32px;height:32px;border:1px solid var(--border-color);border-radius:6px;background:#fff;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:all .2s ease;color:var(--text-secondary)}.av-fullscreen-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.av-reset-btn{padding:7px 14px;border:1px solid var(--border-color);border-radius:6px;background:#fff;color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all .2s ease}.av-reset-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.av-player{display:flex;align-items:center;gap:10px;padding:12px 16px;background:#fafafa;border-radius:8px;border:1px solid var(--border-color)}.av-play-btn{width:36px;height:36px;border:none;border-radius:50%;background:linear-gradient(135deg,#4a90d9,#357abd);color:#fff;font-size:14px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.av-play-btn:hover{transform:scale(1.1)}.av-time{font-size:13px;color:var(--text-secondary);font-family:Monaco,Menlo,monospace;min-width:45px}.av-progress{flex:1;height:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;border-radius:3px;background:#e0e0e0;cursor:pointer}.av-progress::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--primary-color);cursor:pointer}.av-progress::-moz-range-thumb{width:14px;height:14px;border:none;border-radius:50%;background:var(--primary-color);cursor:pointer}.av-progress:disabled{opacity:.5;cursor:not-allowed}.av-volume-btn,.av-menu-btn{width:32px;height:32px;border:none;border-radius:6px;background:transparent;cursor:pointer;font-size:16px;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:all .2s ease}.av-volume-btn:hover,.av-menu-btn:hover{background:#0000000d;color:var(--text-primary)}.av-menu-wrapper{position:relative}.av-menu-dropdown{position:absolute;right:0;top:calc(100% + 4px);min-width:140px;background:#fff;border-radius:8px;box-shadow:0 4px 12px #00000026;border:1px solid var(--border-color);padding:6px 0;z-index:100}.av-menu-item{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;border:none;background:transparent;color:var(--text-primary);font-size:13px;cursor:pointer;text-align:left;transition:background .15s ease}.av-menu-item:hover{background:#0000000d}.av-menu-item.active{background:#4a90d91a;color:var(--primary-color)}.av-menu-icon{font-size:14px}.av-menu-divider{height:1px;background:var(--border-color);margin:6px 0}.av-menu-subtitle{padding:6px 12px;font-size:11px;color:var(--text-muted);font-weight:500}.av-canvas-container{position:relative;width:100%;height:220px;border-radius:12px;overflow:hidden;border:1px solid var(--border-color)}.av-canvas-container canvas{display:block;width:100%;height:100%}.av-placeholder{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0009;color:#ffffffb3;font-size:14px;border-radius:12px}.av-params{display:flex;gap:20px;flex-wrap:wrap}.av-param{flex:1;min-width:180px;display:flex;flex-direction:column;gap:6px}.av-param-label{font-size:13px;font-weight:500;color:var(--text-secondary)}.av-param-control{display:flex;align-items:center;gap:10px}.av-slider{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:6px;border-radius:3px;background:#e8e8e8;outline:none}.av-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--primary-color);cursor:pointer;transition:transform .15s ease}.av-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.av-slider::-moz-range-thumb{width:16px;height:16px;border:none;border-radius:50%;background:var(--primary-color);cursor:pointer}.av-param-value{font-size:13px;font-weight:600;color:var(--text-primary);font-family:Monaco,Menlo,Ubuntu Mono,monospace;min-width:36px;text-align:right}.av-hint{font-size:12px;color:var(--text-muted);text-align:center}.tool-wrapper:fullscreen{background:#0a0a1a;padding:16px;display:flex;flex-direction:column;gap:12px}.tool-wrapper:fullscreen .av-canvas-container{flex:1;height:auto;border:none}.tool-wrapper:fullscreen .av-hint{color:#fff6}.tool-wrapper:fullscreen .av-param-label,.tool-wrapper:fullscreen .av-param-value{color:#ffffffb3}.tool-wrapper:fullscreen .av-theme-name{color:#fff9}.tool-wrapper:fullscreen .av-filename{color:#ffffff80}.pf-container{display:flex;flex-direction:column;height:calc(90vh - 150px)}.pf-toolbar{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border-color);margin-bottom:16px}.pf-toolbar-left,.pf-toolbar-right{display:flex;gap:8px}.pf-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;border:none}.pf-btn-primary{background:linear-gradient(135deg,#4a90d9,#357abd);color:#fff}.pf-btn-primary:hover{background:linear-gradient(135deg,#357abd,#2d6bb3);transform:translateY(-1px)}.pf-btn-secondary{background:#f5f5f5;color:var(--text-primary);border:1px solid var(--border-color)}.pf-btn-secondary:hover{background:#eee}.pf-btn-icon{font-size:16px}.pf-main{flex:1;display:flex;gap:20px;overflow:hidden}.pf-sidebar{width:280px;flex-shrink:0;overflow-y:auto}.pf-section{background:#fafafa;border-radius:12px;padding:16px;border:1px solid var(--border-color)}.pf-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.pf-section-title{font-size:14px;font-weight:600;color:var(--text-primary)}.pf-reset-btn{font-size:12px;color:var(--text-muted);background:none;border:none;cursor:pointer;padding:2px 6px;border-radius:4px}.pf-reset-btn:hover{background:#0000000d;color:var(--text-secondary)}.pf-param{margin-bottom:16px}.pf-param-label{font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px;display:block}.pf-param-row{display:flex;align-items:center;gap:10px}.pf-slider{flex:1;height:6px;border-radius:3px;background:#e0e0e0;outline:none;-webkit-appearance:none}.pf-slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#4a90d9;cursor:pointer;border:2px solid #ffffff;box-shadow:0 2px 4px #0003}.pf-slider::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:#4a90d9;cursor:pointer;border:2px solid #ffffff;box-shadow:0 2px 4px #0003}.pf-param-value{font-size:13px;font-weight:600;color:var(--primary-color);font-family:Monaco,Menlo,monospace;min-width:45px;text-align:right}.pf-divider{height:1px;background:var(--border-color);margin:16px 0}.pf-brand-section{margin-bottom:16px}.pf-toggle-label{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-secondary);cursor:pointer;margin-bottom:8px}.pf-toggle-label input[type=checkbox]{accent-color:var(--primary-color)}.pf-auto-badge{font-size:11px;background:#4a90d91a;color:var(--primary-color);padding:2px 8px;border-radius:4px;display:inline-block;margin-bottom:8px}.pf-brand-select{width:100%;padding:8px 10px;border:1px solid var(--border-color);border-radius:8px;font-size:13px;background:#fff;color:var(--text-primary);outline:none;cursor:pointer}.pf-brand-select:focus{border-color:var(--primary-color)}.pf-exif-info{margin-top:8px}.pf-exif-label{font-size:12px;color:var(--text-muted);display:block;margin-bottom:8px}.pf-exif-item{display:flex;justify-content:space-between;font-size:12px;color:var(--text-secondary);padding:4px 0}.pf-preview-area{flex:1;display:flex;flex-direction:column;gap:12px;min-width:0}.pf-preview-header{display:flex;justify-content:space-between;align-items:center}.pf-preview-title{font-size:14px;font-weight:500;color:var(--text-primary)}.pf-nav-btns{display:flex;align-items:center;gap:8px}.pf-nav-btn{width:32px;height:32px;border:1px solid var(--border-color);border-radius:8px;background:#fff;color:var(--text-secondary);font-size:14px;cursor:pointer;display:flex;justify-content:center;align-items:center;transition:all .2s ease}.pf-nav-btn:hover:not(:disabled){background:#f5f5f5;color:var(--text-primary)}.pf-nav-btn:disabled{opacity:.4;cursor:not-allowed}.pf-page-info{font-size:13px;color:var(--text-muted);font-family:Monaco,Menlo,monospace}.pf-preview-container{flex:1;display:flex;justify-content:center;align-items:center;background:#1a1a1a;border-radius:12px;padding:20px;overflow:hidden;max-height:500px}.pf-preview-container canvas{max-width:100%;max-height:100%;height:auto;border-radius:8px}.pf-dropzone{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;border:2px dashed var(--border-color);border-radius:12px;color:var(--text-muted);font-size:15px;cursor:pointer;transition:all .2s ease}.pf-dropzone:hover{border-color:var(--primary-color);color:var(--primary-color)}.pf-dropzone-icon{font-size:48px;opacity:.5}.pf-dropzone-text{font-weight:500}.pf-dropzone-hint{font-size:12px;color:var(--text-muted)}.pf-thumbnails{display:flex;gap:8px;overflow-x:auto;padding:4px 0}.pf-thumb{width:64px;height:64px;border-radius:8px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:all .2s ease;flex-shrink:0}.pf-thumb.active{border-color:var(--primary-color);box-shadow:0 0 0 2px #4a90d933}.pf-thumb img{width:100%;height:100%;object-fit:cover}@media(max-width:900px){.pf-main{flex-direction:column}.pf-sidebar{width:100%;overflow-y:visible;max-height:40vh;overflow-y:auto}.pf-preview-container{flex:none;max-height:300px}.pf-dropzone{flex:none;height:200px}}.header{background:linear-gradient(135deg,#fff,#f0f7ff);border-bottom:1px solid #e8f0fe;padding:16px 24px;position:sticky;top:0;z-index:100;box-shadow:0 2px 4px #0000000a}.header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:8px}.logo-icon{font-size:24px}.logo-text{font-size:18px;font-weight:600;color:#1a1a2e}.back-link{display:flex;align-items:center;gap:4px;color:#4a90d9;text-decoration:none;font-size:14px;padding:8px 16px;border-radius:8px;transition:all .3s ease}.back-link:hover{background-color:#4a90d91a}@media(max-width:768px){.header{padding:12px 16px}.logo-text{font-size:16px}.back-link{font-size:13px;padding:6px 12px}}.tool-card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 2px 8px #00000014;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;cursor:pointer;border:1px solid #f0f0f0}.tool-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f;border-color:#e8f0fe}.card-icon{font-size:32px;line-height:1}.card-name{font-size:16px;font-weight:600;color:#333;margin-top:4px}.card-description{font-size:13px;color:#999;line-height:1.4}.use-btn{margin-top:8px;padding:8px 20px;border:2px solid #4a90d9;border-radius:20px;background:transparent;color:#4a90d9;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s ease}.use-btn:hover{background:#4a90d9;color:#fff}@media(max-width:768px){.tool-card{padding:20px 16px}.card-name{font-size:15px}.card-description{font-size:12px}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;padding:16px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-container{background:#fff;border-radius:16px;width:100%;max-width:600px;max-height:90vh;overflow:hidden;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease}.modal-large{max-width:95vw;min-width:900px}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #f0f0f0;background:linear-gradient(135deg,#fff,#f8fafc)}.modal-title{font-size:18px;font-weight:600;color:#1a1a2e;margin:0}.modal-close{width:32px;height:32px;border:none;border-radius:50%;background:#f0f0f0;color:#666;font-size:16px;cursor:pointer;display:flex;justify-content:center;align-items:center;transition:all .2s ease}.modal-close:hover{background:#e0e0e0;color:#333}.modal-content{padding:24px;overflow-y:auto;max-height:calc(90vh - 80px)}@media(max-width:768px){.modal-container{max-width:100%;max-height:100vh;border-radius:0}.modal-content{padding:16px;max-height:calc(100vh - 80px)}}