*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5;color:#000000d9;background-color:#f0f2f5}.app-layout{min-height:100vh}.app-header{display:flex;align-items:center;padding:0 24px;box-shadow:0 2px 8px #0000001a}.logo{margin-right:24px;white-space:nowrap}.app-content{padding:0;background-color:#fff;min-height:calc(100vh - 134px)}.app-footer{text-align:center;padding:24px;background-color:#f0f2f5}@media (max-width: 768px){.app-header{flex-direction:column;height:auto;padding:16px 24px}.logo{margin-right:0;margin-bottom:16px}.app-content{min-height:calc(100vh - 190px)}}.standing-wave-simulation{margin-bottom:20px}.wave-controls{margin-bottom:16px}.wave-canvas{border:1px solid #eee;border-radius:4px;margin-bottom:16px;background-color:#fafafa}.distance-display{margin:10px 0;font-size:16px;text-align:center}.fine-adjustment-display{padding:15px;background-color:#f5f5f5;border-radius:4px;text-align:center;border:1px solid #d9d9d9}.current-position{font-size:16px;font-weight:500;margin-bottom:10px;color:#1890ff}.fine-adjustment-controls{display:flex;justify-content:center;gap:20px;margin-bottom:10px}.fine-adjustment-controls button{min-width:80px}.instruction{font-size:14px;color:#666}.active-control{border:2px solid #1890ff;box-shadow:0 0 5px #1890ff80}.merged-standing-wave{margin-bottom:20px}.wave-canvas{border:1px solid #ccc;border-radius:4px;margin-bottom:16px;background-color:#fff;box-shadow:0 2px 8px #0000001a}.distance-display{margin:10px 0;padding:10px;background-color:#f5f5f5;border-radius:4px;text-align:center;border:1px solid #d9d9d9}.lissajous-figure{margin-bottom:20px}.simulation-card{width:100%;margin-bottom:20px}.figure-canvas{border:1px solid #eee;border-radius:4px;margin-bottom:16px;background-color:#fafafa;display:flex;justify-content:center}.sliders-container{margin-top:20px}.slider-label{margin-bottom:8px;font-weight:500}.distance-display,.phase-display{margin:10px 0;font-size:16px;text-align:center}.animation-page{padding:24px;max-width:1200px;margin:0 auto}.animation-sections{display:flex;flex-direction:column;gap:32px;margin-top:24px}.animation-section{border:1px solid #e8e8e8;border-radius:8px;padding:16px;box-shadow:0 2px 8px #0000001a}.animation-container{height:300px;background-color:#f5f5f5;border-radius:4px;display:flex;align-items:center;justify-content:center;margin-top:16px}.placeholder{color:#999;font-size:16px}.controls{display:flex;flex-wrap:wrap;gap:16px;margin-top:16px}.slider-container{width:100%;max-width:400px}@media (max-width: 768px){.animation-container{height:200px}}.ai-chat{position:fixed;right:0;top:50%;transform:translateY(-50%);display:flex;transition:all .3s ease;z-index:1000}.ai-chat.expanded{width:360px}.ai-chat.collapsed{width:40px}.toggle-button{position:absolute;left:-32px;top:50%;transform:translateY(-50%);width:32px;height:64px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:8px 0 0 8px}.chat-container{flex:1;display:flex;flex-direction:column;background-color:#fff;border-left:1px solid #e8e8e8;height:600px;box-shadow:-2px 0 8px #0000001a}.chat-header{padding:12px 16px;border-bottom:1px solid #e8e8e8;background-color:#f5f5f5}.chat-header h3{margin:0;font-size:16px;color:#333}.messages-container{flex:1;overflow-y:auto;padding:16px}.message{margin-bottom:12px;max-width:85%}.user-message{margin-left:auto}.assistant-message{margin-right:auto}.message-content{padding:8px 12px;border-radius:8px;font-size:14px;line-height:1.5;word-break:break-word}.user-message .message-content{background-color:#1890ff;color:#fff}.assistant-message .message-content{background-color:#f5f5f5;color:#333}.loading-message{display:flex;justify-content:center;margin:8px 0}.input-container{padding:12px;border-top:1px solid #e8e8e8;display:flex;gap:8px}.input-container .ant-input{flex:1}.formula-page{padding:24px;max-width:1200px;margin:0 auto}.formula-tabs{margin-top:24px}.formula-content,.formula-collapse{margin-top:16px}.formula-box{background-color:#f5f5f5;border-radius:4px;padding:16px;margin-top:12px;display:flex;flex-direction:column;gap:8px}.formula-box .ant-typography{font-family:Times New Roman,Times,serif;font-size:16px}@media screen and (max-width: 768px){.formula-container{padding:10px}.formula-content{font-size:14px}}.vernier-caliper{width:100%;overflow-x:scroll;margin:0 auto;border:1px solid #f0f0f0;background-color:#fafafa;border-radius:4px;padding:20px 0}.vernier-caliper canvas{display:block;margin:0 auto;max-width:none;min-width:1400px}@media (max-width: 768px){.vernier-caliper{transform-origin:left top;transform:scale(.8)}}.experiment-page{padding:24px;max-width:1200px;margin:0 auto}.experiment-settings-card,.experiment-simulation-card,.vernier-caliper-card,.data-analysis-card,.analysis-results-card{margin-bottom:20px;box-shadow:0 1px 2px #0000001a}.frequency-display{margin-top:16px;padding:8px 12px;background-color:#f5f5f5;border-radius:4px;display:flex;align-items:center}.statistic{padding:16px}@media (max-width: 768px){.experiment-page{padding:10px}}.data-analysis-page{padding:20px;max-width:1200px;margin:0 auto}.method-selection-card,.data-table-card,.analysis-results-card{margin-bottom:24px;border-radius:8px}.table-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.result-row{margin-bottom:16px}.result-card{text-align:center;height:100%}.statistic{display:flex;flex-direction:column;align-items:center;justify-content:center}.statistic-title{font-size:14px;color:#00000073;margin-bottom:8px}.statistic-value{font-size:24px;font-weight:700}.ant-table-cell{padding:12px 8px!important}@media (max-width: 768px){.result-row{flex-direction:column}.result-card{margin-bottom:16px}}.experiment-module-page{padding:20px;max-width:1200px;margin:0 auto}.experiment-settings-card,.experiment-simulation-card,.vernier-caliper-card{margin-bottom:20px;box-shadow:0 1px 2px #0000001a}.method-selection,.temperature-input{margin-bottom:16px}.simulation-container{display:flex;justify-content:center;margin:20px 0}.vernier-caliper-container{display:flex;justify-content:center;margin:20px 0;min-height:200px}.distance-display{text-align:center;margin-top:16px;font-size:16px}@media (max-width: 768px){.experiment-module-page{padding:10px}}:root{--primary-color: #1890ff;--secondary-color: #52c41a;--text-color: rgba(0, 0, 0, .85);--text-color-secondary: rgba(0, 0, 0, .45);--border-color: #d9d9d9;--box-shadow: 0 2px 8px rgba(0, 0, 0, .15);--border-radius: 4px}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f0f2f5;color:var(--text-color)}a{color:var(--primary-color);text-decoration:none;transition:color .3s}a:hover{color:#40a9ff}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#999}html,body{width:100%;height:100%}input::-ms-clear,input::-ms-reveal{display:none}*,*:before,*:after{box-sizing:border-box}html{font-family:sans-serif;line-height:1.15;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;-ms-overflow-style:scrollbar;-webkit-tap-highlight-color:rgba(0,0,0,0)}@-ms-viewport{width:device-width}body{margin:0}[tabindex="-1"]:focus{outline:none}hr{box-sizing:content-box;height:0;overflow:visible}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:.5em;font-weight:500}p{margin-top:0;margin-bottom:1em}abbr[title],abbr[data-original-title]{-webkit-text-decoration:underline dotted;text-decoration:underline;text-decoration:underline dotted;border-bottom:0;cursor:help}address{margin-bottom:1em;font-style:normal;line-height:inherit}input[type=text],input[type=password],input[type=number],textarea{-webkit-appearance:none}ol,ul,dl{margin-top:0;margin-bottom:1em}ol ol,ul ul,ol ul,ul ol{margin-bottom:0}dt{font-weight:500}dd{margin-bottom:.5em;margin-left:0}blockquote{margin:0 0 1em}dfn{font-style:italic}b,strong{font-weight:bolder}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}pre,code,kbd,samp{font-size:1em;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace}pre{margin-top:0;margin-bottom:1em;overflow:auto}figure{margin:0 0 1em}img{vertical-align:middle;border-style:none}a,area,button,[role=button],input:not([type=range]),label,select,summary,textarea{touch-action:manipulation}table{border-collapse:collapse}caption{padding-top:.75em;padding-bottom:.3em;text-align:left;caption-side:bottom}input,button,select,optgroup,textarea{margin:0;color:inherit;font-size:inherit;font-family:inherit;line-height:inherit}button,input{overflow:visible}button,select{text-transform:none}button,html [type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{padding:0;border-style:none}input[type=radio],input[type=checkbox]{box-sizing:border-box;padding:0}input[type=date],input[type=time],input[type=datetime-local],input[type=month]{-webkit-appearance:listbox}textarea{overflow:auto;resize:vertical}fieldset{min-width:0;margin:0;padding:0;border:0}legend{display:block;width:100%;max-width:100%;margin-bottom:.5em;padding:0;color:inherit;font-size:1.5em;line-height:inherit;white-space:normal}progress{vertical-align:baseline}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{outline-offset:-2px;-webkit-appearance:none}[type=search]::-webkit-search-cancel-button,[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{font:inherit;-webkit-appearance:button}output{display:inline-block}summary{display:list-item}template{display:none}[hidden]{display:none!important}mark{padding:.2em;background-color:#feffe6}