@import"https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=JetBrains+Mono:wght@400;500;600&family=Noto+Serif+SC:wght@400;500;600;700;800&display=swap";:root{--color-bg: #f7f5f2;--color-bg-alt: #efede8;--color-surface: #ffffff;--color-text: #1a1a2e;--color-text-secondary: #6b7280;--color-text-tertiary: #9ca3af;--color-accent: #2d3561;--color-accent-light: #4a5899;--color-accent-hover: #1e2444;--color-gold: #c8a45c;--color-gold-light: #e8d5a3;--color-border: #e2e0dc;--color-border-light: #eceae6;--color-success: #22c55e;--color-danger: #ef4444;--font-sans: "DM Sans", "PingFang SC", "Noto Sans SC", -apple-system, sans-serif;--font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--header-height: 60px;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(26, 26, 46, .06);--shadow-md: 0 4px 16px rgba(26, 26, 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var(--color-border-light);border-radius:var(--radius-md);padding:28px;transition:all .3s cubic-bezier(.4,0,.2,1)}.card:hover{border-color:var(--color-accent-light);box-shadow:var(--shadow-md);transform:translateY(-3px)}.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--color-text-secondary);transition:color .2s;font-weight:500}.link-arrow:hover{color:var(--color-accent)}.link-arrow:after{content:"→";transition:transform .2s}.link-arrow:hover:after{transform:translate(4px)}article p,article li{line-height:1.85}@media (max-width: 768px){.container,.header-inner{width:95%}h1{font-size:30px}.site-nav{gap:16px}.page-section{margin-bottom:48px}}@media (max-width: 480px){h1{font-size:26px}h2{font-size:20px}h3{font-size:17px}.site-nav{gap:12px;font-size:13px}.site-nav a{white-space:nowrap}.card{padding:20px}.page-section{margin-bottom:40px}.btn{padding:10px 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