*,*::before,*::after{box-sizing:border-box}html{font-family:var(--sidonn-font-sans);scroll-behavior:smooth;max-width:100%;-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;max-width:100%;background-color:#F8FAFC;color:#1E293B;line-height:1.6;overflow-x:hidden}:root{--sidonn-font-sans:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--sidonn-red:#C22325;--sidonn-red-dark:#A31D1F;--sidonn-red-light:#FEF2F2;--sidonn-dark:#15191E;--sidonn-dark-surface:#20242A;--sidonn-gray-border:#E2E8F0;--sidonn-text-main:#1E293B;--sidonn-text-muted:#64748B}html:lang(zh),html:lang(zh-CN),html:lang(zh-Hans){--sidonn-font-sans:"Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, sans-serif}