[data-ai-brand-theme]{--ab-wall-deep:#5a636e;--ab-wall-mid:#7a8490;--ab-wall-light:#9aa4b0;--ab-mist:#e8ecf28c;--ab-surface:#f4f6f8c7;--ab-surface-solid:#f3f5f7;--ab-ink:#1c2229;--ab-muted:#5c6774;--ab-hairline:#1c22291f;--ab-frame:#2c343e;--ab-mat:#f7f8fa;--ab-accent:#6d7a68;--ab-accent-soft:#6d7a6829;--ab-shadow:0 28px 60px #181e2647;--ab-font-display:var(--font-ab-display), "Noto Serif SC", Georgia, serif;--ab-font-body:var(--font-ab-body), "Source Sans 3", system-ui, sans-serif;--ab-font-zh:var(--font-ab-zh), "Noto Serif SC", Georgia, serif;color:var(--ab-ink);font-family:var(--ab-font-body);background:radial-gradient(ellipse 90% 70% at 50% 18%, #ffffff47, transparent 55%), radial-gradient(ellipse 60% 50% at 80% 80%, #78828c59, transparent 50%), linear-gradient(165deg, var(--ab-wall-light) 0%, var(--ab-wall-mid) 42%, var(--ab-wall-deep) 100%);min-height:100vh}[data-ai-brand-theme] .ab-font-display{font-family:var(--ab-font-display)}[data-ai-brand-theme] .ab-font-zh{font-family:var(--ab-font-zh)}[data-ai-brand-theme] .ab-wall-grain:before{content:"";pointer-events:none;opacity:.18;mix-blend-mode:overlay;background-image:repeating-linear-gradient(0deg,#0000,#0000 2px,#ffffff08 2px 3px),repeating-linear-gradient(90deg,#0000,#0000 3px,#00000006 3px 4px);position:absolute;inset:0}[data-ai-brand-theme] .ab-panel{background:var(--ab-surface);border:1px solid var(--ab-hairline);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 12px 40px #1c222914}[data-ai-brand-theme] .ab-frame{background:var(--ab-frame);box-shadow:var(--ab-shadow)}[data-ai-brand-theme] .ab-mat{background:var(--ab-mat)}[data-ai-brand-theme] .ab-chip{border:1px solid var(--ab-hairline);color:var(--ab-muted);background:#ffffff73;transition:border-color .18s,background-color .18s,color .18s,transform .18s}[data-ai-brand-theme] .ab-chip:hover{color:var(--ab-ink);border-color:#1c222938}[data-ai-brand-theme] .ab-chip[data-active=true]{border-color:var(--ab-accent);background:var(--ab-accent-soft);color:var(--ab-ink)}[data-ai-brand-theme] .ab-swatch-ring[data-active=true]{outline:2px solid var(--ab-ink);outline-offset:2px}@keyframes ab-reveal{0%{opacity:0;transform:translateY(12px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes ab-breathe{0%,to{opacity:.35}50%{opacity:.7}}[data-ai-brand-theme] .ab-reveal{animation:.52s cubic-bezier(.22,1,.36,1) both ab-reveal}[data-ai-brand-theme] .ab-breathe{animation:2.4s ease-in-out infinite ab-breathe}@media (prefers-reduced-motion:reduce){[data-ai-brand-theme] .ab-reveal,[data-ai-brand-theme] .ab-breathe{animation:none}}