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#b45309;--color-orange: #fb923c;--color-ink-deep: #050810;--color-banner-from: #050810;--color-banner-mid: #0f172a;--color-banner-to: #1e293b;--color-banner-text: #e2e8f0;--color-banner-accent: #fbbf24;--color-overlay: rgba(0, 0, 0, .6);--color-skeleton: #232d3d;--color-skeleton-shine: #2a3344;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 18px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .45);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .55);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--font-family-serif: Georgia, "Times New Roman", serif;--font-family-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-size-xs: 12px;--font-size-sm: 13px;--font-size-md: 15px;--font-size-lg: 17px;--font-size-xl: 20px;--font-size-2xl: 24px;--font-size-3xl: 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var(--color-border-strong)}.app-tabbar__item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding-top:2px;color:var(--color-text-muted);font-size:var(--font-size-xs);transition:color var(--transition-fast)}.app-tabbar__item--active{color:var(--color-primary)}.app-tabbar__label{font-size:var(--font-size-xs)}@media (min-width: 768px){.app-main{padding:var(--space-6)}}.app-sidebar{display:none}@media (min-width: 1024px){.app-tabbar{display:none}.app-main{padding-bottom:var(--space-6)}.app-body{display:grid;grid-template-columns:var(--sidebar-width) 1fr;gap:0;width:100%;max-width:1200px;margin:0 auto}.app-sidebar{display:block;position:sticky;top:var(--topbar-height);align-self:start;height:calc(100vh - var(--topbar-height));height:calc(100dvh - var(--topbar-height));padding:var(--space-4) var(--space-3);background:var(--color-page);border-right:1px solid var(--color-divider);overflow-y:auto}.app-sidebar__list{display:flex;flex-direction:column;gap:var(--space-1)}.app-sidebar__item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:var(--font-size-md);transition:background-color var(--transition-fast),color var(--transition-fast)}.app-sidebar__item:hover{background:var(--color-card-alt);color:var(--color-text)}.app-sidebar__item--active{background:var(--color-card-alt);color:var(--color-primary);font-weight:var(--font-weight-semibold)}}@media (max-width: 1023px){.app-topbar{display:none}.app-shell{padding-top:env(safe-area-inset-top,0px)}}