:root{--color-primary: #5B5CE8;--color-primary-hover: #4849C9;--color-primary-tint: #E9EAFC;--color-bg: #F5F6FC;--color-bg-hero: #EEF0FA;--color-surface: #FFFFFF;--color-text: #1F2430;--color-text-secondary: #666D7C;--color-text-muted: #98A0AF;--color-border: #E6E9F4;--stage-1: #3D7BF7;--stage-2: #2FBF63;--stage-3: #F5A524;--stage-4: #14B8C4;--stage-5: #8B5CF6;--color-success: #2FBF63;--color-warning: #F5A524;--color-danger: #EF4444;--shadow-card: 0 8px 24px rgba(91, 92, 232, .1);--shadow-sm: 0 2px 8px rgba(31, 36, 48, .06);--radius-card: 16px;--radius-control: 12px;--radius-pill: 999px;--font-sans: "Noto Sans TC", system-ui, -apple-system, "PingFang TC", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, monospace}[data-theme=dark]{--color-primary: #7B7DF0;--color-primary-hover: #9496F4;--color-primary-tint: rgba(123, 125, 240, .16);--color-bg: #14161F;--color-bg-hero: #191B28;--color-surface: #1E2130;--color-text: #E8EAF2;--color-text-secondary: #A6ADC0;--color-text-muted: #6E7690;--color-border: #2A2E42;--shadow-card: 0 8px 24px rgba(0, 0, 0, .35);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3)}*{box-sizing:border-box}html{min-width:0}body{margin:0;font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.7}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px}code,pre,.mono{font-family:var(--font-mono)}.container{width:100%;max-width:1080px;margin:0 auto;padding:0 24px}.site-header{background:var(--color-surface);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:10}.site-header 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16px;border-radius:var(--radius-pill)}.badge-muted{color:var(--color-text-secondary);background:var(--color-bg-hero)}.hero{background:var(--color-bg-hero);padding:56px 0 48px}.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}.hero h1{font-size:clamp(34px,5vw,54px);font-weight:900;letter-spacing:.04em;line-height:1.3;margin:16px 0 12px}.hero h1 em{font-style:normal;color:var(--color-primary)}.hero .lead{color:var(--color-text-secondary);font-size:16px;margin:0 0 24px;max-width:30em}.hero-visual{position:relative;min-height:320px}.hero-bot{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:170px;height:170px;border-radius:50%;background:var(--color-primary-tint);display:flex;align-items:center;justify-content:center;font-size:80px}.hero-caption{position:absolute;right:8%;bottom:2%;font-size:12px;color:var(--color-text-muted)}.chip{position:absolute;background:var(--color-surface);border-radius:var(--radius-control);padding:8px 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