:root{--dc-primary: #0e8a5f;--dc-primary-dark: #0b6e4c;--dc-primary-light: #e6f4ee;--dc-on-primary: #ffffff;--dc-btn: #0c8157;--dc-btn-hover: #0a6b47;--dc-ink: #1c2530;--dc-ink-soft: #51606f;--dc-line: #e3e8ee;--dc-bg: #f7f9fb;--dc-white: #ffffff;--dc-danger: #c0392b;--dc-radius: 12px;--dc-shadow: 0 4px 20px rgba(16, 38, 30, .08);--dc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;color-scheme:light}:root[data-dc-theme=dark]{--dc-primary: #16a571;--dc-primary-dark: #34c188;--dc-primary-light: #143323;--dc-ink: #f2f5f7;--dc-ink-soft: #aab5bf;--dc-line: #2a3036;--dc-bg: #15181b;--dc-white: #1e2329;--dc-danger: #f87171;--dc-shadow: 0 4px 20px rgba(0, 0, 0, .45);color-scheme:dark}body{background:var(--dc-bg);margin:0;padding:16px}.dc-app{font-family:var(--dc-font);color:var(--dc-ink);max-width:680px;margin:0 auto;line-height:1.55;-webkit-font-smoothing:antialiased}.dc-app *,.dc-app *:before,.dc-app 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