:root{--bg:#f5f7fa;--surface:#fff;--ink:#202837;--muted:#7b8494;--line:#e6eaf0;--blue:#3267e3;--green:#20a27d;--red:#bd4f55;--radius:12px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft 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.mobile-action{display:none}@media(max-width:800px){.mobile-action{display:inline-flex}}