.header{height:80px;padding:0 40px;display:flex;align-items:center;justify-content:center;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);position:relative}.header-title{font-size:28px;font-weight:600;margin:0}.theme-toggle{width:48px;height:48px;border-radius:50%;background-color:var(--bg-primary);border:2px solid var(--border-color);font-size:24px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;position:absolute;right:40px}.theme-toggle:hover{transform:scale(1.1);box-shadow:0 4px 12px var(--shadow)}.theme-toggle:active{transform:scale(.95)}.footer{padding:24px;text-align:center;background-color:var(--bg-secondary);border-top:1px solid var(--border-color)}.beian-link{color:var(--text-secondary);text-decoration:none;font-size:14px;transition:color .2s ease}.beian-link:hover{color:var(--text-primary);text-decoration:underline}.tool-container{display:flex;flex-direction:column;gap:24px}.input-group{display:flex;flex-direction:column;gap:8px}.input-label,.output-label{font-size:14px;font-weight:600;color:var(--text-primary)}.tool-input,.tool-select,.tool-textarea{padding:12px 16px;border:2px solid var(--border-color);border-radius:8px;background-color:var(--bg-primary);color:var(--text-primary);font-size:14px;transition:all .2s ease}.tool-input:focus,.tool-select:focus,.tool-textarea:focus{outline:none;border-color:#4a9eff;box-shadow:0 0 0 3px #4a9eff1a}.tool-textarea{resize:vertical;font-family:Monaco,Menlo,Consolas,monospace;line-height:1.5}.output-group{display:flex;flex-direction:column;gap:8px}.tool-output{padding:16px;border-radius:8px;background-color:var(--bg-primary);border:2px solid var(--border-color);color:var(--text-primary);min-height:60px;display:flex;align-items:center;font-size:16px}.tool-output.large{font-size:24px;font-weight:600}.tool-output.code{font-family:Monaco,Menlo,Consolas,monospace;font-size:13px;line-height:1.6;white-space:pre-wrap;word-break:break-all;display:block;max-height:400px;overflow-y:auto}.error-message{padding:12px 16px;background-color:#fee;border:1px solid #fcc;border-radius:8px;color:#c33;font-size:14px}.info-box{padding:16px;background-color:var(--bg-secondary);border-radius:8px;border:1px solid var(--border-color)}.info-box h4{margin:0 0 12px;font-size:14px;color:var(--text-primary)}.info-box ul{margin:0;padding-left:20px}.info-box li{margin:6px 0;font-size:13px;color:var(--text-secondary);line-height:1.5}.info-text{font-size:13px;color:var(--text-secondary);text-align:center}.button-group{display:flex;gap:12px;flex-wrap:wrap}.tool-button{padding:12px 24px;border-radius:8px;background-color:var(--bg-secondary);border:2px solid var(--border-color);color:var(--text-primary);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.tool-button:hover:not(:disabled){background-color:var(--border-color);transform:translateY(-2px)}.tool-button:active:not(:disabled){transform:translateY(0)}.tool-button:disabled{opacity:.5;cursor:not-allowed}.tool-button.primary{background-color:#4a9eff;border-color:#4a9eff;color:#fff}.tool-button.primary:hover:not(:disabled){background-color:#3a8eef}.mode-button{padding:10px 20px;border-radius:8px;background-color:var(--bg-secondary);border:2px solid var(--border-color);color:var(--text-primary);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.mode-button.active{background-color:#4a9eff;border-color:#4a9eff;color:#fff}.mode-button:hover{transform:translateY(-2px)}.output-header{display:flex;justify-content:space-between;align-items:center}.copy-button{padding:8px 16px;border-radius:6px;background-color:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);font-size:13px;cursor:pointer;transition:all .2s ease}.copy-button:hover{background-color:var(--border-color)}.current-times{padding:20px;background-color:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color)}.current-times h3{margin:0 0 16px;font-size:18px}.time-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.time-item{padding:12px;background-color:var(--bg-primary);border-radius:8px;border:1px solid var(--border-color)}.time-zone-name{font-size:12px;color:var(--text-secondary);margin-bottom:4px}.time-value{font-size:16px;font-weight:600;color:var(--text-primary);font-family:Monaco,Menlo,Consolas,monospace}.converter-section{padding:20px;background-color:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color)}.converter-section h3{margin:0 0 16px;font-size:18px}.current-time-display{padding:20px;background-color:var(--bg-secondary);border-radius:12px;border:1px solid var(--border-color)}.current-time-display h3{margin:0 0 16px;font-size:18px}.timestamp-grid{display:grid;gap:12px}.timestamp-item{padding:12px;background-color:var(--bg-primary);border-radius:8px;border:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center}.timestamp-label{font-size:13px;color:var(--text-secondary)}.timestamp-value{font-size:14px;font-weight:600;color:var(--text-primary);font-family:Monaco,Menlo,Consolas,monospace}.input-with-select{display:flex;gap:8px}.input-with-select .flex-1{flex:1}.tool-select.inline{width:auto;min-width:100px}@media (max-width: 768px){.time-grid{grid-template-columns:1fr}.button-group{flex-direction:column}.tool-button{width:100%}}.tool-grid-container{flex:1;transition:all .3s ease}.tool-grid-container.with-panel{flex:0 0 60%}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;width:100%}.tool-grid-container.with-panel .tool-grid{grid-template-columns:repeat(4,1fr)}.tool-card{aspect-ratio:3 / 2;border-radius:20px;padding:32px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px var(--shadow);color:#fff;position:relative;overflow:hidden;background:var(--bg-secondary);border:2px solid var(--border-color)}.tool-card:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#ffffff1a,#fff0);opacity:0;transition:opacity .3s ease}.tool-card:hover:before{opacity:1}.tool-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px var(--shadow)}.tool-card.dragging{opacity:.5;transform:rotate(5deg)}.tool-icon{font-size:48px;margin-bottom:16px;transition:all .3s ease}.tool-grid-container.with-panel .tool-icon{display:none}.tool-title{font-size:20px;font-weight:600;margin:0;text-align:center;transition:all .3s ease}.tool-grid-container.with-panel .tool-title{font-size:16px}@media (max-width: 1200px){.tool-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}@media (max-width: 768px){.tool-grid-container{padding:20px}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.tool-card{padding:24px}.tool-icon{font-size:36px}.tool-title{font-size:18px}}.tool-panel{flex:0 0 35%;background-color:var(--bg-secondary);border:2px solid var(--border-color);border-radius:24px;display:flex;flex-direction:column;animation:slideIn .3s ease;min-height:calc(100vh - 120px)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.tool-panel-header{padding:24px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}.tool-panel-title{font-size:24px;font-weight:600;margin:0}.close-button{width:36px;height:36px;border-radius:8px;background-color:var(--bg-primary);border:1px solid var(--border-color);font-size:20px;display:flex;align-items:center;justify-content:center;transition:all .2s ease;color:var(--text-primary)}.close-button:hover{background-color:#f44;color:#fff;border-color:#f44}.tool-panel-content{flex:1;padding:24px;overflow-y:auto}@media (max-width: 1024px){.tool-panel{position:fixed;top:0;left:0;right:0;bottom:0;width:100%;max-width:100%;z-index:1000;border-radius:0;min-height:100vh}.tool-panel-header{padding-top:32px}}@media (max-width: 768px){.tool-panel{max-width:100%}}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--text-primary: #1a1a1a;--text-secondary: #666666;--border-color: #e0e0e0;--shadow: rgba(0, 0, 0, .1)}[data-theme=dark]{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--text-primary: #ffffff;--text-secondary: #b0b0b0;--border-color: #404040;--shadow: rgba(0, 0, 0, .3)}.app{min-height:100vh;background-color:var(--bg-primary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}.main-content{display:flex;min-height:calc(100vh - 80px);gap:20px;padding:20px}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#root{width:100%;min-height:100vh}button{border:none;background:none;cursor:pointer;font-family:inherit}input,textarea{font-family:inherit}