:root{--k-bg:#0c0c0d;--k-bg-raised:#1c1b1f;--k-surface:#ffffff0f;--k-line:#ffffff24;--k-text:#f3f1ee;--k-muted:#a29d97;--k-accent:#ff5a36;--k-accent-ink:#170b08;--k-btn-bg:#ff5a36;--k-btn-radius:999px;--k-ease-out:cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--k-bg);width:100%;height:100%;color:var(--k-text);-webkit-tap-highlight-color:transparent;touch-action:manipulation;font-family:Inter,Noto Sans TC,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow-x:hidden}button,input,select,textarea{font-family:inherit}::selection{background:var(--k-accent);color:var(--k-accent-ink)}:focus-visible{outline:3px solid var(--k-accent);outline-offset:3px}#app{background:radial-gradient(circle at 50% 40%, var(--k-bg-raised), var(--k-bg) 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