:root{--g-font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;--g-color-text-base: #0f172a;--g-color-text-muted: #445661;--g-color-text-on-dark: #ffffff;--g-color-text-on-dark-muted: rgba(255, 255, 255, .68);--g-color-bg-base: #f3f7f6;--g-color-bg-page: #edf5f4;--g-color-bg-surface: #ffffff;--g-color-bg-muted: #f6faf9;--g-color-border-subtle: #c7e2dd;--g-color-border-strong: #a5cfc7;--g-color-brand: #0d9488;--g-color-brand-soft: #d9f3ef;--g-color-brand-contrast: #0f766e;--g-color-accent: #f97316;--g-radius-sm: 2px;--g-radius-md: 6px;--g-radius-lg: 10px;--g-shadow-soft: 0 4px 16px rgba(15, 23, 42, .08);--g-shadow-card: 0 2px 8px rgba(15, 23, 42, .06);--g-header-bg: #0c5d56;--g-header-bg-emphasis: #0a504b;--g-header-border: rgba(255, 255, 255, .08);--g-gap-page: 32px;--g-font-size-xs: 11px;--g-font-size-sm: 12px;--g-font-size-base: 14px;--g-font-size-lg: 16px;--g-font-size-xl: 20px;--g-font-size-display: 26px;--g-line-height-base: 1.5;--g-font-weight-regular: 400;--g-font-weight-medium: 500;--g-font-weight-semibold: 600;--g-font-weight-bold: 700}body{margin:0;font-family:var(--g-font-family);color:var(--g-color-text-base);background-color:var(--g-color-bg-base);font-size:var(--g-font-size-base);line-height:var(--g-line-height-base);font-weight:var(--g-font-weight-regular);-webkit-font-smoothing:antialiased}#root{min-height:100vh}.app-shell{min-height:100vh;background:var(--g-color-bg-page)}.app-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding-inline:24px;background:var(--g-header-bg);color:var(--g-color-text-on-dark);border-bottom:1px solid var(--g-header-border)}.app-brand{display:flex;align-items:center;gap:12px;color:var(--g-color-text-on-dark);text-decoration:none}.app-brand__title,.app-brand__title.ant-typography{margin:0;color:inherit;font-size:var(--g-font-size-lg);font-weight:var(--g-font-weight-semibold)}.app-nav{display:flex;gap:12px;align-items:center}.app-nav__link{font-size:var(--g-font-size-md);font-weight:var(--g-font-weight-medium);color:var(--g-color-text-on-dark-muted);text-decoration:none;padding:4px 10px;border-radius:var(--g-radius-sm);transition:background-color .2s ease,color .2s ease}.app-nav__link:hover{color:var(--g-color-text-on-dark);background:#ffffff1f}.app-nav__link--active{color:var(--g-color-text-on-dark);background:#ffffff2e}.app-content{padding:24px 16px 32px}.app-content__inner{max-width:1020px;margin:0 auto;width:100%;display:flex;flex-direction:column;gap:24px}.app-footer{text-align:center;padding:24px 16px 32px;border-top:1px solid var(--g-color-border-subtle);background:var(--g-color-bg-surface)}.app-actions{display:flex;align-items:center;gap:16px;color:var(--g-color-text-on-dark);font-size:var(--g-font-size-base)}.app-actions a{color:var(--g-color-text-on-dark-muted);text-decoration:none;font-weight:var(--g-font-weight-medium)}.app-actions a:hover{color:var(--g-color-text-on-dark)}.app-actions__icon.ant-btn-text{color:var(--g-color-text-on-dark);padding:0;min-width:auto;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--g-radius-sm)}.app-actions__icon.ant-btn-text:hover{color:var(--g-color-text-on-dark);background:#ffffff1f}.theme-switcher{background:var(--g-color-bg-surface);border:1px solid var(--g-color-border-subtle);border-radius:var(--g-radius-md)}.theme-switcher .ant-segmented-item{color:var(--g-color-text-base)}.theme-switcher .ant-segmented-item-selected{background:var(--g-color-brand-soft);color:var(--g-color-brand-contrast)}.full-screen-center{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:24px}.page-container-card{width:100%}.page-container-card.ant-card{border-radius:var(--g-radius-lg);border:1px solid var(--g-color-border-subtle);box-shadow:none;background:var(--g-color-bg-surface)}.page-container-card>.ant-card-head{padding-inline:32px;min-height:56px;border-bottom:1px solid var(--g-color-border-subtle)}.page-container-card>.ant-card-head .ant-card-head-title{padding-block:16px;font-size:var(--g-font-size-xl);font-weight:var(--g-font-weight-semibold)}.page-container-card>.ant-card-body{padding:32px}.ant-card-small>.ant-card-head{padding:12px 16px;min-height:0}.ant-card-small>.ant-card-body{padding:16px 20px}.card-compact.ant-card>.ant-card-head,.card-compact.ant-card-small>.ant-card-head,.card-compact.ant-card-type-inner>.ant-card-head{padding-inline:16px;padding-block:8px;min-height:32px}.card-compact.ant-card>.ant-card-body,.card-compact.ant-card-small>.ant-card-body,.card-compact.ant-card-type-inner>.ant-card-body{padding:12px 16px}@media (max-width: 640px){.page-container-card>.ant-card-head{padding-inline:20px}.page-container-card>.ant-card-body{padding:24px}}.center-card{max-width:960px;margin:0 auto;background-color:var(--g-color-bg-surface);padding:32px;border-radius:var(--g-radius-lg);border:1px solid var(--g-color-border-subtle);box-shadow:none}.typography-display,.typography-display.ant-typography{font-size:var(--g-font-size-display);font-weight:var(--g-font-weight-bold);line-height:1.25}.typography-title,.typography-title.ant-typography{font-size:var(--g-font-size-xl);font-weight:var(--g-font-weight-semibold);line-height:1.35}.typography-subtitle,.typography-subtitle.ant-typography,.section-title,.section-title.ant-typography{font-size:var(--g-font-size-lg);font-weight:var(--g-font-weight-medium)}.typography-body,.typography-body.ant-typography{font-size:var(--g-font-size-base);font-weight:var(--g-font-weight-regular)}.typography-caption,.typography-caption.ant-typography{font-size:var(--g-font-size-sm);font-weight:var(--g-font-weight-medium);color:var(--g-color-text-muted)}.page-title,.page-title.ant-typography{font-size:var(--g-font-size-display);font-weight:var(--g-font-weight-bold);margin-bottom:16px}.topic-editor{border:1px solid var(--g-color-border-subtle);border-radius:var(--g-radius-md);background-color:var(--g-color-bg-surface);overflow:hidden}.topic-editor__mdx{background:var(--g-color-bg-surface);--accentBase: var(--g-color-brand-soft);--accentBgSubtle: var(--g-color-brand-soft);--accentBg: var(--g-color-brand-soft);--accentBgHover: color-mix(in srgb, var(--g-color-brand) 12%, var(--g-color-brand-soft));--accentBgActive: color-mix(in srgb, var(--g-color-brand) 18%, var(--g-color-brand-soft));--accentLine: var(--g-color-brand);--accentBorder: var(--g-color-brand);--accentBorderHover: var(--g-color-brand-contrast);--accentSolid: var(--g-color-brand);--accentSolidHover: var(--g-color-brand-contrast);--accentText: var(--g-color-text-base);--accentTextContrast: var(--g-color-text-on-dark);--baseBase: var(--g-color-bg-base);--baseBgSubtle: var(--g-color-bg-muted);--baseBg: var(--g-color-bg-surface);--baseBgHover: color-mix(in srgb, var(--g-color-bg-muted) 60%, var(--g-color-bg-surface));--baseBgActive: color-mix(in srgb, var(--g-color-bg-muted) 40%, var(--g-color-bg-surface));--baseLine: var(--g-color-border-subtle);--baseBorder: var(--g-color-border-subtle);--baseBorderHover: var(--g-color-border-strong);--baseSolid: var(--g-color-bg-muted);--baseSolidHover: var(--g-color-bg-surface);--baseText: var(--g-color-text-base);--baseTextContrast: var(--g-color-text-on-dark);--admonitionTipBg: color-mix(in srgb, var(--g-color-brand-soft) 80%, #d9f3ef);--admonitionTipBorder: var(--g-color-brand);--admonitionInfoBg: color-mix(in srgb, var(--g-color-bg-muted) 70%, #e6f4ff);--admonitionInfoBorder: var(--g-color-border-subtle);--admonitionCautionBg: #fff7e6;--admonitionCautionBorder: #faad14;--admonitionDangerBg: #fff1f0;--admonitionDangerBorder: #ff4d4f;--admonitionNoteBg: var(--g-color-bg-muted);--admonitionNoteBorder: var(--g-color-border-subtle);font-family:var(--g-font-family);--font-mono: "JetBrains Mono", "Fira Code", Consolas, monospace}.topic-editor-toolbar{padding:8px 12px;border-bottom:1px solid var(--g-color-border-subtle);background-color:var(--g-color-bg-muted)}.topic-editor .mdxeditor-toolbar{gap:8px}.topic-editor__content{min-height:240px;padding:10px 12px}.markdown-body{color:var(--g-color-text-base);font-size:16px;line-height:1.75;word-break:break-word;margin-bottom:16px}.markdown-body:last-child{margin-bottom:0}.markdown-body p{margin-bottom:1em}.markdown-body img{max-width:100%;border-radius:var(--g-radius-md);margin:12px 0;box-shadow:var(--g-shadow-card)}.markdown-body pre{background:var(--g-color-brand-contrast);color:#f8fafc;padding:16px;border-radius:var(--g-radius-md);overflow-x:auto;font-size:14px}.markdown-body code{font-family:JetBrains Mono,Fira Code,Consolas,monospace;background:#0f172a14;padding:2px 6px;border-radius:var(--g-radius-sm);font-size:14px}.markdown-body pre code{background:transparent;padding:0}.markdown-body blockquote{border-left:4px solid var(--g-color-brand);padding-left:16px;color:var(--g-color-text-muted);background:var(--g-color-brand-soft);border-radius:var(--g-radius-sm);margin:16px 0}.revision-diff{border:1px solid var(--g-color-border-subtle);border-radius:var(--g-radius-md);padding:12px;background:var(--g-color-bg-surface);max-height:320px;overflow:auto}.revision-diff__line{margin:0;font-family:JetBrains Mono,Fira Code,Consolas,monospace;white-space:pre-wrap}.revision-diff__line--added{background:#f6ffed;color:#237804}.revision-diff__line--removed{background:#fff1f0;color:#a8071a}.revision-item--active{background:var(--g-color-brand-soft)!important}.chat-center{display:flex;gap:16px;flex-wrap:wrap}.chat-panel{background:var(--g-color-bg-surface);border:1px solid var(--g-color-border-subtle);border-radius:var(--g-radius-lg);min-height:520px;flex:1 1 280px;display:flex;flex-direction:column}.chat-panel__header{padding:16px;border-bottom:1px solid var(--g-color-border-subtle);display:flex;justify-content:space-between;gap:8px}.chat-panel__title{font-weight:var(--g-font-weight-semibold);font-size:var(--g-font-size-lg);display:block}.chat-panel__subtitle{display:block;font-size:var(--g-font-size-sm);margin-top:2px}.chat-sidebar{flex:0 0 320px;max-width:360px}.chat-sidebar__body{padding:12px 16px 16px;flex:1}.chat-sidebar__list{display:flex;flex-direction:column;gap:10px}.chat-conversation-item{border-radius:var(--g-radius-md);border:1px solid transparent;padding:10px 12px;background:var(--g-color-bg-muted);cursor:pointer;transition:border .2s ease,transform .2s ease;outline:none}.chat-conversation-item:hover{border-color:var(--g-color-border-subtle);transform:translateY(-1px)}.chat-conversation-item:focus-visible{border-color:var(--g-color-brand);outline:2px solid color-mix(in srgb,var(--g-color-brand) 25%,transparent);outline-offset:2px}.chat-conversation-item--active{background:var(--g-color-brand-soft);border-color:var(--g-color-brand)}.chat-conversation__title{font-weight:var(--g-font-weight-medium);margin-bottom:4px}.chat-conversation__preview{color:var(--g-color-text-muted);font-size:var(--g-font-size-sm);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-conversation__meta{color:var(--g-color-text-muted);font-size:var(--g-font-size-xs)}.chat-content{flex:1 1 520px}.chat-content__header{align-items:flex-start}.chat-content__timestamp{font-size:var(--g-font-size-sm)}.chat-content__body{flex:1;padding:16px;display:flex;flex-direction:column;gap:12px}.chat-alert{margin-bottom:4px}.chat-message-list{flex:1;min-height:260px;max-height:520px;overflow-y:auto;border-radius:var(--g-radius-lg);border:1px solid var(--g-color-border-subtle);padding:16px;background:var(--g-color-bg-muted)}.chat-message{display:flex;flex-direction:column;gap:6px;margin-bottom:12px;max-width:80%}.chat-message--mine{margin-left:auto;align-items:flex-end}.chat-message__meta{font-size:var(--g-font-size-xs);color:var(--g-color-text-muted)}.chat-message__bubble{padding:8px 12px;border-radius:var(--g-radius-lg);background:var(--g-color-bg-surface);border:1px solid var(--g-color-border-subtle);width:fit-content}.chat-message--mine .chat-message__bubble{background:var(--g-color-brand-soft);border-color:var(--g-color-brand)}.chat-composer{background:var(--g-color-bg-surface);border:1px solid var(--g-color-border-subtle);border-radius:var(--g-radius-lg);padding:12px;display:flex;flex-direction:column;gap:8px}.chat-composer__input{border-radius:var(--g-radius-md)}.chat-composer__actions{display:flex;justify-content:flex-end}.chat-empty,.chat-state{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;min-height:240px}.chat-state{padding:24px}@media (max-width: 992px){.chat-sidebar,.chat-content{flex:1 1 100%;max-width:none}.chat-panel{min-height:auto}}.reply-highlight{animation:replyHighlight 1.6s ease-out;outline:2px solid #ffd666;border-radius:var(--g-radius-md)}@keyframes replyHighlight{0%{background-color:#fffbe6}to{background-color:transparent}}.app-content__inner{position:relative}.app-route-inline-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;justify-content:center;align-items:center;background:color-mix(in srgb,var(--g-color-bg-base) 92%,transparent);border-radius:var(--g-radius-lg);box-shadow:inset 0 0 0 1px var(--g-color-border-subtle);z-index:10;pointer-events:none}.app-route-inline-loading .ant-spin{padding:16px 24px;background:var(--g-color-bg-surface);border-radius:var(--g-radius-lg);box-shadow:var(--g-shadow-card)}.app-user-trigger{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:var(--g-radius-md);border:1px solid transparent;background:#ffffff14;color:var(--g-color-text-on-dark);cursor:pointer;transition:all .2s ease}.app-user-trigger:hover,.app-user-trigger:focus-visible{border-color:var(--g-color-border-subtle);background:#ffffff1f;outline:none}.app-user-trigger__name{font-weight:var(--g-font-weight-medium);font-size:var(--g-font-size-base)}.app-user-menu{min-width:240px;padding:12px 12px 10px;background:var(--g-color-bg-surface);border:1px solid var(--g-color-border-subtle);border-radius:var(--g-radius-lg);box-shadow:var(--g-shadow-card);display:flex;flex-direction:column;gap:12px}.app-user-menu__header{display:flex;align-items:center;gap:10px}.app-user-menu__username{font-weight:var(--g-font-weight-semibold)}.app-user-menu__email,.app-user-menu__meta{font-size:var(--g-font-size-sm);color:var(--g-color-text-muted)}.app-user-menu__section{display:flex;align-items:center;gap:10px;justify-content:space-between}.app-user-menu__label{font-size:var(--g-font-size-sm);color:var(--g-color-text-muted)}.app-user-menu__links{display:flex;flex-direction:column;gap:8px}.app-user-menu__link{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:var(--g-radius-md);border:1px solid var(--g-color-border-subtle);background:var(--g-color-bg-muted);text-decoration:none;color:var(--g-color-text-base);font-size:var(--g-font-size-sm);transition:border-color .2s ease,box-shadow .2s ease;cursor:pointer}.app-user-menu__link-left{display:inline-flex;align-items:center;gap:8px}.app-user-menu__link:hover{border-color:var(--g-color-brand);box-shadow:0 0 0 2px color-mix(in srgb,var(--g-color-brand) 18%,transparent)}.app-user-menu__link--danger{color:#a8071a;border-color:#ffccc7;background:#fff2f0}.app-user-menu__link--danger:hover{border-color:#ff4d4f;box-shadow:0 0 0 2px color-mix(in srgb,#ff4d4f 16%,transparent)}.app-user-menu__link.app-user-menu__link--danger .anticon{color:#cf1322}.app-user-menu__link--danger:disabled{opacity:.7;cursor:not-allowed}.app-user-menu__link:disabled{cursor:not-allowed}.app-user-menu__link .anticon{color:var(--g-color-brand-contrast);font-size:16px}