:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--color-primary:#0071e3;--color-primary-hover:#006bdc;--color-primary-pressed:#005bb5;--color-primary-soft:#eaf4ff;--color-canvas:#fff;--color-workspace:#f5f5f7;--color-surface:#fff;--color-surface-subtle:#fafafc;--color-preview:#202124;--color-ink:#1d1d1f;--color-ink-secondary:#515154;--color-ink-muted:#6e6e73;--color-border:#e8e8ed;--color-success:#1f7a35;--color-success-soft:#edf8f0;--color-warning:#b25000;--color-warning-soft:#fff5e8;--color-error:#d70015;--color-error-soft:#fff0f1;--font-sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--radius-xs:4px;--radius-sm:6px;--radius-md:8px;--page-gutter:24px;--content-max:1200px}.app-shell{min-height:100vh}.app-header{z-index:20;-webkit-backdrop-filter:saturate(180%)blur(18px);backdrop-filter:saturate(180%)blur(18px);background:#ffffffe0;border-bottom:1px solid 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12px;font-size:14px;font-weight:500}.header-login:hover{color:var(--color-primary-pressed);background:var(--color-primary-soft)}.account-actions{justify-content:flex-end;align-items:center;gap:8px;min-width:0;display:flex}.account-email{border-radius:var(--radius-sm);min-width:0;max-width:220px;min-height:34px;color:var(--color-ink-secondary);align-items:center;gap:7px;padding:7px 9px;font-size:13px;display:inline-flex}.account-email:hover{color:var(--color-primary-pressed);background:var(--color-primary-soft)}.account-email>svg{flex:none}.language-toggle{border:1px solid var(--color-border);border-radius:var(--radius-sm);min-width:112px;min-height:34px;color:var(--color-ink-secondary);background:var(--color-surface);cursor:pointer;align-items:center;gap:6px;padding:7px 9px;transition:border-color .16s,box-shadow .16s,color .16s,background-color .16s;display:inline-flex;box-shadow:0 1px 2px #1d1d1f0a}.language-toggle:hover,.language-toggle[data-state=open]{color:var(--color-primary-pressed);background:var(--color-primary-soft);border-color:#c7d7eb}.language-toggle:focus-visible{border-color:var(--color-primary);outline-offset:0;outline:2px solid #0071e32e}.language-toggle-current{text-overflow:ellipsis;white-space:nowrap;flex:auto;min-width:0;font-size:13px;font-weight:650;line-height:1.2;overflow:hidden}.language-toggle-chevron{flex:none;transition:transform .16s}.language-toggle[data-state=open] .language-toggle-chevron{transform:rotate(180deg)}.language-toggle-menu{z-index:80;border-radius:var(--radius-md);background:#fffffffa;border:1px solid #d2d2d7eb;gap:3px;min-width:176px;padding:6px;display:grid;box-shadow:0 18px 48px #1d1d1f24,0 2px 8px #1d1d1f14}.language-toggle-item{border-radius:var(--radius-sm);min-height:38px;color:var(--color-ink);cursor:pointer;outline:0;grid-template-columns:30px minmax(0,1fr) 18px;align-items:center;gap:9px;padding:7px 9px;font-size:13px;line-height:1.2;display:grid}.language-toggle-item[data-highlighted]{background:var(--color-primary-soft)}.language-toggle-mark{border:1px solid var(--color-border);border-radius:var(--radius-xs);width:30px;height:24px;color:var(--color-primary-pressed);background:var(--color-surface);place-items:center;font-size:11px;font-weight:700;display:grid}.language-toggle-label{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.language-toggle-check{color:var(--color-primary-pressed)}.language-toggle-menu[data-side=bottom]{animation:.12s ease-out language-menu-in}@keyframes language-menu-in{0%{opacity:0;transform:translateY(-4px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.language-toggle-mark,.language-toggle-check,.language-toggle 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