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srgb, var(--color-surface) 85%, transparent);color:var(--color-text-muted);pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:12px;display:flex;position:absolute;inset:0}.smoothness-placeholder b{color:var(--color-text-secondary);font-size:14px;font-weight:500}.smoothness-hint{color:var(--color-text-muted);flex-shrink:0;margin:12px 16px 16px;font-size:12px;line-height:1.7}.mouse-button-workspace{--mouse-input-accent-fill:color-mix(in srgb, var(--color-accent) 32%, var(--color-device-neutral));--mouse-input-success-fill:color-mix(in srgb, var(--color-success) 32%, var(--color-device-neutral));--mouse-input-danger-fill:color-mix(in srgb, var(--color-danger) 32%, var(--color-device-neutral));--mouse-input-accent-ink:color-mix(in srgb, var(--color-accent) 75%, var(--color-text-secondary));--mouse-input-success-ink:color-mix(in srgb, var(--color-success) 75%, var(--color-text-secondary));--mouse-input-danger-ink:color-mix(in srgb, var(--color-danger) 75%, var(--color-text-secondary));--mouse-feedback:var(--mouse-input-accent-ink);--mouse-feedback-soft:color-mix(in srgb, var(--mouse-feedback) 14%, var(--color-surface));--mouse-feedback-border:color-mix(in srgb, var(--mouse-feedback) 50%, var(--color-border));grid-template-columns:minmax(0,1.55fr) minmax(340px,1fr);align-items:stretch;gap:24px;display:grid}.mouse-button-workspace>.panel{min-width:0}.mouse-button-workspace .mouse-panel{-webkit-user-select:none;user-select:none;touch-action:none;cursor:crosshair;flex-direction:column;transition:border-color .26s,box-shadow .26s;display:flex;position:relative;overflow:hidden}.mouse-button-workspace .mouse-panel.is-testing{border-color:color-mix(in srgb, var(--color-accent) 75%, var(--color-border));box-shadow:0 0 0 2px color-mix(in srgb, var(--color-accent) 18%, transparent), 0 3px 8px var(--color-shadow-soft)}.mouse-button-workspace .mouse-panel h2{align-items:center;gap:8px;display:flex}.mouse-zone-status{align-items:center;gap:6px;transition:color .22s,background-color .22s;display:inline-flex}.mouse-zone-status i{background:currentColor;border-radius:50%;width:5px;height:5px}.mouse-zone-status.testing{color:var(--color-accent);background:var(--color-accent-soft)}.mouse-button-workspace .mouse-zone{min-height:580px;box-shadow:none;background:0 0;border:0;border-radius:0;flex:1;gap:20px;margin:0;padding:38px 20px 28px}.mouse-button-workspace .mouse-panel:before{content:"";pointer-events:none;background:radial-gradient(ellipse at 50% 45%, color-mix(in srgb, var(--mouse-feedback) 24%, transparent), color-mix(in srgb, var(--mouse-feedback) 14%, transparent) 45%, color-mix(in srgb, var(--mouse-feedback) 6%, transparent) 75%, color-mix(in srgb, var(--mouse-feedback) 3%, transparent));opacity:0;transition:opacity .28s;position:absolute;inset:0}.mouse-button-workspace .mouse-panel>*{position:relative}.mouse-button-workspace .mouse-art :is(path,rect,text){transition:fill .18s ease-out}.mouse-button-workspace .mouse-art{flex-shrink:0;height:370px;margin:0}.mouse-zone-hint{text-align:center;flex-shrink:0;max-width:100%}.mouse-button-workspace .zone-caption{justify-content:center;align-items:center;gap:7px;margin-bottom:0;font-size:12px;display:flex}.mouse-zone-hint svg{color:var(--color-accent);flex-shrink:0}.mouse-results-panel{padding:0 20px 18px}.mouse-results-panel>.panel-heading{margin:0}.mouse-counter-table{border-collapse:collapse;table-layout:fixed;font-variant-numeric:tabular-nums;flex-shrink:0;width:100%;margin-top:6px}.mouse-counter-table :is(th,td){border-bottom:1px solid var(--color-divider);text-align:right;overflow-wrap:anywhere;padding:6px 8px}.mouse-counter-table th:first-child{text-align:left;width:34%}.mouse-counter-table thead th{background:var(--color-surface-subtle);color:var(--color-text-muted);white-space:nowrap;padding-top:6px;padding-bottom:6px;font-size:12px;font-weight:400}.mouse-counter-table thead th:last-child{width:26%}.mouse-counter-table tbody th{color:var(--color-text-secondary);font-size:12px;font-weight:500}.mouse-counter-table td{color:var(--color-text);font-size:14px;font-weight:600}.mouse-counter-table td:last-child{color:var(--color-text-muted);font-weight:400}.mouse-counter-table tbody tr{transition:background-color .18s}.mouse-counter-table tr.active{background:var(--color-accent-soft)}.mouse-counter-table tr.active>:is(th,td){color:var(--color-accent)}.mouse-counter-table tr.active>th{box-shadow:inset 2px 0 var(--color-accent)}.mouse-motion-summary{flex-shrink:0;grid-template-columns:repeat(4,minmax(0,1fr));margin:12px 0;display:grid}.mouse-motion-summary>div{border-right:1px solid var(--color-divider);min-width:0;padding:0 8px}.mouse-motion-summary>div:first-child{padding-left:0}.mouse-motion-summary>div:last-child{border-right:0;padding-right:0}.mouse-motion-summary dt{color:var(--color-text-muted);white-space:nowrap;font-size:12px}.mouse-motion-summary dd{color:var(--color-text);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin:4px 0 0;font-size:16px;font-weight:600}.mouse-motion-summary dd span{color:var(--color-text-muted);margin-left:3px;font-size:11px;font-weight:400}.mouse-motion-summary .active dd{color:var(--color-accent)}.mouse-event-section{margin-top:16px}.mouse-section-heading{justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;display:flex}.mouse-section-heading h2{margin:0;font-size:12px;font-weight:600}.mouse-results-panel .event-log{border:1px solid var(--color-border);background:var(--color-surface-subtle);scrollbar-gutter:stable;border-radius:8px;height:clamp(220px,36dvh,360px);min-height:220px;padding:8px 12px}.mouse-results-panel .event-log-number{display:none}.mouse-input-summary{background:var(--color-surface-subtle);border-radius:8px;flex-shrink:0;padding:8px 12px;container:mouse-threshold/inline-size}.mouse-threshold-heading{grid-template-columns:1fr;gap:4px;margin-bottom:6px;display:grid}.mouse-threshold-heading label{color:var(--color-text-secondary);font-size:12px;font-weight:500}.mouse-threshold-heading>label{white-space:nowrap}.mouse-input-summary input{appearance:none;cursor:pointer;background:0 0;width:100%;height:20px;margin:0;display:block}.mouse-input-summary input::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--color-accent) var(--threshold-progress), var(--color-divider) var(--threshold-progress));border-radius:2px;height:2px}.mouse-input-summary input::-moz-range-track{background:linear-gradient(to right, var(--color-accent) var(--threshold-progress), var(--color-divider) var(--threshold-progress));border-radius:2px;height:2px}.mouse-input-summary input::-webkit-slider-thumb{appearance:none;border:1px solid var(--color-surface);background:var(--color-accent);border-radius:50%;width:12px;height:12px;margin-top:-5px}.mouse-input-summary input::-moz-range-thumb{box-sizing:border-box;border:1px solid var(--color-surface);background:var(--color-accent);border-radius:50%;width:12px;height:12px}.mouse-threshold-scale{color:var(--color-text-muted);justify-content:space-between;font-size:9px;line-height:16px;display:flex;position:relative}.mouse-threshold-value-track{pointer-events:none;position:absolute;inset:0 6px}.mouse-threshold-value{left:var(--threshold-progress);transform:translateX(var(--threshold-label-offset));white-space:nowrap;color:var(--color-accent);font-variant-numeric:tabular-nums;font-size:10px;font-weight:600;position:absolute}.mouse-threshold-value:before{content:"";left:var(--threshold-progress);background:var(--color-accent-border);width:1px;height:6px;position:absolute;bottom:calc(100% + 1px)}.mouse-threshold-default{color:var(--color-text-muted);font-weight:400}.mouse-threshold-default:before{top:-7px;bottom:auto}@media (width<=900px){.mouse-button-workspace{grid-template-columns:1fr;gap:16px}.mouse-button-workspace .mouse-zone{gap:16px;min-height:420px;padding:24px 16px}.mouse-button-workspace .mouse-art{height:300px}}@media (width<=390px){.mouse-results-panel{padding:0 14px 14px}}.mouse-button-workspace.double-click-normal{--mouse-feedback:var(--mouse-input-success-ink)}.mouse-button-workspace.double-click-abnormal{--mouse-feedback:var(--mouse-input-danger-ink)}.mouse-button-workspace:is(.is-pressing,.double-click-normal,.double-click-abnormal) .mouse-panel{border-color:color-mix(in srgb, var(--mouse-feedback) 75%, var(--color-border));box-shadow:0 0 0 2px color-mix(in srgb, var(--mouse-feedback) 18%, transparent), 0 3px 8px var(--color-shadow-soft)}.mouse-button-workspace:is(.is-pressing,.double-click-normal,.double-click-abnormal) .mouse-panel:before{opacity:1;transition-duration:.1s}.mouse-button-workspace:is(.double-click-normal,.double-click-abnormal) .mouse-zone-status{color:var(--mouse-feedback);background:var(--mouse-feedback-soft)}.mouse-counter-table tr:is(.double-click-normal,.double-click-abnormal){background:var(--mouse-feedback-soft)}.mouse-counter-table tr:is(.double-click-normal,.double-click-abnormal)>:is(th,td){color:var(--mouse-feedback)}.mouse-counter-table tr:is(.double-click-normal,.double-click-abnormal)>th{box-shadow:inset 2px 0 var(--mouse-feedback)}.mouse-counter-table tbody tr td.has-abnormal{color:var(--color-danger);font-weight:600}.event-log>.event-log-success{background:color-mix(in srgb, var(--color-success) 4%, var(--color-surface));color:var(--mouse-input-success-ink,var(--color-success));border-color:var(--color-divider)}.event-log>.event-log-danger{background:color-mix(in srgb, var(--color-danger) 4%, var(--color-surface));color:var(--mouse-input-danger-ink,var(--color-danger));border-color:var(--color-divider)}.event-log :is(.event-log-success,.event-log-danger) :is(time,.event-log-number){color:inherit}.mouse-double-click-rule{flex-wrap:nowrap;justify-content:flex-start;gap:2px 10px;min-width:0;margin:0;font-size:11px;line-height:1.5;display:flex}.mouse-double-click-rule span{white-space:nowrap;color:var(--color-text-muted)}@container mouse-threshold (width>=350px){.mouse-threshold-heading{grid-template-columns:auto minmax(0,1fr);align-items:center;gap:12px}.mouse-double-click-rule{justify-content:flex-end}}@media (width<=360px){.mouse-double-click-rule{gap:8px;font-size:9px}}.mouse-special-results{box-shadow:none;background:0 0;border:0;overflow:visible}.mouse-page .fine-print summary,.mouse-tool-instructions>summary{cursor:pointer}.mouse-page .fine-print p{margin-top:8px}.mouse-tool-instructions>summary:after{content:"展开";color:var(--color-text-muted);font-size:12px}.mouse-tool-instructions[open]>summary:after{content:"收起"}.mouse-tool-instructions:not([open])>summary{border-bottom:0}@media (width>=901px){.mouse-app{--mouse-workspace-height:max(560px, calc(100dvh - var(--header) - 108px))}.app-shell main{padding-top:28px}.app-shell .eyebrow{display:none}.app-shell .page-heading{margin-bottom:24px}.mouse-page .page-heading p{font-size:12px}.mouse-workspace{grid-template-columns:148px minmax(0,1fr);gap:16px}.mouse-feature-nav button{padding:13px 10px}.mouse-feature-nav button small{font-size:12px}.mouse-button-workspace,.mouse-special-workspace{min-height:var(--mouse-workspace-height);grid-template-columns:minmax(0,1.5fr) minmax(360px,1fr);align-items:stretch;gap:16px;display:grid}.mouse-page .panel-heading{flex-shrink:0;height:42px;margin:0 16px}.mouse-page .panel-heading h2{font-size:13px}.mouse-page :is(.tag,.status){font-size:12px}.mouse-button-workspace .mouse-zone{gap:12px;min-height:0;padding:18px}.mouse-button-workspace .mouse-art{height:clamp(300px,100dvh - 310px,500px)}.mouse-results-panel{min-height:var(--mouse-workspace-height);flex-direction:column;padding:0 14px 12px;display:flex}.mouse-results-panel>.panel-heading{margin:0}.mouse-double-click-rule{align-items:center;gap:8px;font-size:11px}.mouse-threshold-scale{font-size:12px;line-height:18px}.mouse-threshold-value{font-size:12px}.mouse-event-section{flex-direction:column;flex:1;min-height:188px;margin-top:16px;display:flex}.mouse-section-heading{flex-shrink:0;min-height:24px;margin-bottom:6px}.mouse-section-heading h2{font-size:13px}.mouse-page .event-log{contain:size;scrollbar-gutter:stable;min-height:160px;max-height:none}.mouse-results-panel .event-log{flex:1 1 0;height:0;padding:6px 10px}.mouse-page .event-log>div{padding:7px 0;font-size:12px}.mouse-page .event-log-number{display:none}.mouse-page .event-log>p{font-size:12px}.mouse-special-main{flex-direction:column;gap:14px;min-width:0;min-height:0;display:flex}.mouse-special-main .mouse-tool-panel{flex-direction:column;flex:1;min-height:0;display:flex}.mouse-special-main .mouse-action-zone{flex:1;min-height:200px;margin:0;padding:18px}.mouse-page :is(.tool-zone-kicker,.tool-zone-value small,.mouse-action-zone>p,.dpi-source,.dpi-ruler,.tool-sample-count,.trace-label,.trace-empty,.tool-steps,.tool-error){font-size:12px}.mouse-page .tool-zone-kicker{letter-spacing:1.5px}.mouse-page .tool-zone-value{margin:12px 0;font-size:clamp(48px,4.5vw,68px)}.mouse-special-results{min-width:0;min-height:var(--mouse-workspace-height);border:1px solid var(--color-border);background:var(--color-surface);box-shadow:0 3px 5px var(--color-shadow-soft);flex-direction:column;padding:0 14px 12px;display:flex;overflow:hidden}.mouse-special-results .tool-settings{box-shadow:none;border:0;border-radius:0;flex-shrink:0;overflow:visible}.mouse-special-results .panel-heading{margin:0}.mouse-special-results .tool-settings-body{padding:10px 0}.mouse-special-results .dpi-settings fieldset{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);column-gap:10px;display:grid}.mouse-special-results .dpi-settings .tool-input-pair{grid-template-columns:minmax(0,1fr) 90px;gap:6px}.mouse-special-results .dpi-settings .tool-checkbox{grid-column:1/-1}.mouse-special-results :is(.tool-field,.tool-checkbox,.tool-settings legend){gap:6px;margin-bottom:10px;font-size:12px}.mouse-special-results :is(.tool-field input,.tool-field select){min-height:32px;padding:6px 10px;font-size:12px}.mouse-special-results .duration-options{margin-bottom:10px}.mouse-special-results .duration-options button{padding:7px 3px;font-size:12px}.mouse-special-results .tool-full-button{min-height:32px;padding-top:6px;padding-bottom:6px;font-size:12px}.mouse-special-results .fine-print{margin-top:8px;font-size:12px;line-height:1.7}.mouse-special-results .compact-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:10px;padding:0;display:grid}.mouse-special-results .compact-stats>div{flex-direction:column;gap:4px;padding:5px 0;font-size:12px}.mouse-special-results .compact-stats b{font-size:12px}.mouse-special-results .tool-quality{margin-bottom:10px}.mouse-special-results .tool-quality p{margin-top:4px;font-size:12px}.mouse-page .metric>.metric-value-ms{gap:0}.mouse-special-results .mouse-tool-metrics{border-top:1px solid var(--color-divider);flex-shrink:0;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0;padding-top:10px}.mouse-special-results .metric{min-width:0;box-shadow:none;background:var(--color-surface-subtle);border-radius:8px;padding:6px 10px}.mouse-special-results .metric>span{font-size:12px;line-height:1.4;display:block}.mouse-special-results .metric strong{font-size:22px}.mouse-special-results .metric small{font-size:12px}.mouse-special-results>.event-panel{min-height:196px;box-shadow:none;background:0 0;border:0;border-radius:0;flex-direction:column;flex:1;margin-top:10px;display:flex}.mouse-special-results>.event-panel .panel-heading{border:0;height:36px}.mouse-special-results .event-log{border:1px solid var(--color-border);background:var(--color-surface-subtle);border-radius:8px;flex:1 1 0;height:0;padding:6px 10px}.mouse-special-main>.event-panel{flex-shrink:0;height:214px;margin:0}.mouse-page .mouse-trace{padding:12px 16px}.mouse-page .mouse-trace svg{height:130px}.mouse-page .main-footer{padding-top:10px;padding-bottom:10px;font-size:12px}}