:root{--bg:#f7f6f3;--bg-soft:#fbfbfa;--surface:#fff;--surface-muted:#f9f9f8;--border:#eaeaea;--border-strong:#dcdad6;--text:#2f3437;--text-secondary:#787774;--text-faint:#a8a6a2;--ink:#111;--ink-hover:#333;--pale-red-bg:#fdebec;--pale-red-tx:#9f2f2d;--pale-blue-bg:#e1f3fe;--pale-blue-tx:#1f6c9f;--pale-green-bg:#edf3ec;--pale-green-tx:#346538;--pale-yellow-bg:#fbf3db;--pale-yellow-tx:#956400;--radius:12px;--radius-sm:8px;--font-sans:-apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;--font-serif:"Songti SC", "Noto Serif SC", "STSong", "SimSun", serif;--font-mono:"SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;--ease-out:cubic-bezier(.16, 1, .3, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{min-height:100vh;color:var(--text);background:var(--bg);font-family:var(--font-sans);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:15px;line-height:1.6}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}::selection{background:#11111114}#app{min-height:100vh}[data-reveal]{opacity:0;transition:opacity .6s var(--ease-out), transform .6s var(--ease-out);transition-delay:calc(var(--i,0) * 80ms);transform:translateY(12px)}[data-reveal].is-visible{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transition:none;transform:none}}