.el-backtop{--el-backtop-bg-color:var(--el-bg-color-overlay);--el-backtop-text-color:var(--el-color-primary);--el-backtop-hover-bg-color:var(--el-border-color-extra-light);align-items:center;background-color:var(--el-backtop-bg-color);border-radius:50%;box-shadow:var(--el-box-shadow-lighter);color:var(--el-backtop-text-color);cursor:pointer;display:flex;font-size:20px;height:40px;justify-content:center;position:fixed;width:40px;z-index:5}.el-backtop:hover{background-color:var(--el-backtop-hover-bg-color)}.el-backtop__icon{font-size:20px}.history-load-more[data-v-39935e83]{color:var(--sub);font-size:var(--font-size-small);min-height:36px;padding:8px 12px}.history-load-more>span[data-v-39935e83]{align-items:center;display:flex;flex-wrap:wrap;gap:6px;justify-content:center}.history-load-more button[data-v-39935e83]{color:var(--primary)}.research-navigation[data-v-39935e83]{padding-top:14px}.research-navigation[data-v-39935e83] [data-sidebar=menu-button]{font-size:var(--font-size-ui);gap:10px;height:40px}.research-navigation[data-v-39935e83] [data-active=true]{background:var(--selection-surface);color:var(--foreground)}.research-history[data-v-39935e83]{padding-top:18px}.history-note[data-v-39935e83]{color:var(--sub);display:flex;font-size:var(--font-size-small);gap:6px;line-height:1.7;padding:8px 12px}.history-note button[data-v-39935e83]{color:var(--primary)}.history-date[data-v-39935e83]{color:var(--sub);font-size:var(--font-size-caption);padding:12px 12px 5px}.history-item[data-v-39935e83]{align-items:center;border-radius:7px;display:flex;min-width:0;position:relative}.history-item[data-v-39935e83]:hover{background:var(--control-hover)}.history-item.active[data-v-39935e83]{background:var(--selection-surface)}.history-link[data-v-39935e83]{align-items:center;display:flex;flex:1;font-size:var(--font-size-small);gap:9px;min-width:0;padding:10px 9px}.history-link svg[data-v-39935e83]{color:var(--sub);flex-shrink:0;height:15px;width:15px}.history-link span[data-v-39935e83]{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-more[data-v-39935e83]{color:var(--sub);display:grid;height:30px;margin-right:3px;opacity:0;place-items:center;width:28px}.history-more svg[data-v-39935e83]{height:16px;width:16px}.history-item:focus-within .history-more[data-v-39935e83],.history-item:hover .history-more[data-v-39935e83]{opacity:1}@media(hover:none){.history-more[data-v-39935e83]{opacity:1}}.mobile-research-header[data-v-121d65ee]{align-items:center;background:var(--background);border-bottom:1px solid var(--border);display:flex;height:68px;inset:0 0 auto;justify-content:space-between;padding:0 18px;position:fixed;z-index:40}.mobile-logo img[data-v-121d65ee]{height:30px;width:auto}.mobile-header-actions[data-v-121d65ee]{align-items:center;display:flex;gap:4px}.mobile-header-actions[data-v-121d65ee] button{border-radius:50%;color:var(--foreground);height:44px;width:44px}.mobile-header-actions svg[data-v-121d65ee]{height:21px;width:21px}.mobile-logo[data-v-121d65ee]:focus-visible{outline:2px solid var(--ring);outline-offset:5px}@media(min-width:1280px){.mobile-research-header[data-v-121d65ee]{display:none}}.mobile-research-navigation[data-v-6f778040]{background:var(--background);border-top:1px solid var(--border);height:calc(var(--mobile-navigation-height) + env(safe-area-inset-bottom));inset:auto 0 0;padding:5px 8px max(7px,env(safe-area-inset-bottom));position:fixed;z-index:40}.mobile-navigation-items[data-v-6f778040]{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));height:100%;margin:auto;max-width:560px}.mobile-navigation-items .paper-tools-trigger[data-v-6f778040],.mobile-navigation-items a[data-v-6f778040]{align-items:center;border-radius:12px;color:var(--sub);display:flex;flex-direction:column;font-size:12px;font-weight:500;gap:3px;height:100%;justify-content:center;min-height:0;min-width:0;padding:0;text-align:center;white-space:normal}.mobile-navigation-items a>span[data-v-6f778040]:last-child,.paper-tools-trigger>span[data-v-6f778040]:last-child{align-items:center;display:flex;justify-content:center;line-height:14px;max-width:100%;min-height:28px}.mobile-navigation-icon[data-v-6f778040]{border-radius:999px;display:grid;height:29px;place-items:center;transition:background-color .15s ease-out;width:48px}.mobile-navigation-icon svg[data-v-6f778040]{height:21px;stroke-width:1.8;width:21px}.mobile-navigation-items [aria-current=page][data-v-6f778040]{color:var(--foreground);font-weight:600}.mobile-navigation-items [aria-current=page] .mobile-navigation-icon[data-v-6f778040]{background:var(--selection-surface)}.paper-tools-trigger[data-active=true][data-v-6f778040]{color:var(--foreground);font-weight:600}.paper-tools-trigger[data-active=true] .mobile-navigation-icon[data-v-6f778040]{background:var(--selection-surface)}.paper-tools-trigger[data-v-6f778040]:hover{background:transparent}.mobile-navigation-items a:hover .mobile-navigation-icon[data-v-6f778040],.paper-tools-trigger:hover .mobile-navigation-icon[data-v-6f778040]{background:var(--control-hover)}.mobile-navigation-items a[data-v-6f778040]:focus-visible{outline:2px solid var(--ring);outline-offset:-2px}@media(min-width:1280px){.mobile-research-navigation[data-v-6f778040]{display:none}}@media(prefers-reduced-motion:reduce){.mobile-navigation-icon[data-v-6f778040]{transition:none}}.feedback-float-wrap[data-v-8a50fbea]{bottom:60px;cursor:pointer;height:40px;position:fixed;right:0;width:50px;z-index:40}.feedback-float-btn[data-v-8a50fbea]{align-items:center;background-color:var(--el-bg-color-overlay);border-radius:50%;box-shadow:var(--el-box-shadow-lighter);display:flex;height:40px;justify-content:center;position:absolute;right:-20px;top:0;transition:transform .25s ease,background-color .2s ease;width:40px}.feedback-float-wrap:hover .feedback-float-btn[data-v-8a50fbea]{background-color:var(--el-backtop-hover-bg-color);transform:translate(-30px)}