:root{--canvas:#f5f4ed;--ivory:#faf9f5;--warm-sand:#e8e6dc;--ink-blue:#1b365d;--ink-light:#2d5a8a;--ink-tint:#eef2f7;--near-black:#141413;--dark-warm:#3d3d3a;--olive:#504e49;--stone:#6b6a64;--border:#e8e6dc;--border-soft:#e5e3d8;--ring-warm:rgba(80,78,73,0.12);--serif:"LXGW WenKai","KaiTi","Songti SC","STSong","Noto Serif CJK SC",serif;--sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;--mono:"JetBrains Mono","SF Mono",ui-monospace,Consolas,monospace;--latin-ui:var(--sans);--nav-height:52px;--space-1:4px;--space-2:8px;--space-3:16px;--space-4:24px;--space-5:40px;--space-6:48px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-height) + var(--space-4))}body{background:var(--canvas);color:var(--near-black);font-family:var(--sans);font-size:15px;line-height:1.7;letter-spacing:.3px;-webkit-font-smoothing:antialiased}a{color:var(--ink-blue);text-decoration:none;transition:color .12s}a:hover{color:var(--ink-light)}.container{max-width:1100px;margin:0 auto;padding:0 var(--space-4)}@media (max-width:768px){:root{--nav-height:48px}.container{padding:0 var(--space-3)}}