:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{color:#ededed;background:#111;margin:0;font-family:Arial,Microsoft YaHei,sans-serif}.brand-logo{object-fit:contain;background:#fff;border-radius:6px;flex-shrink:0;width:56px;height:48px;padding:4px;display:block}main{max-width:1200px;margin:0 auto;padding:32px 24px}h1{margin:0 0 28px;font-size:28px;line-height:1.4}h1 span{color:#111;background:#f90;border-radius:3px;margin-left:4px;padding:2px 6px}p{color:#bbb;line-height:1.7}