:root{color-scheme:dark;--bg:#080b13;--ink:#eef0fa;--link:#8ddcf5;--muted:#b6bdd0}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui}main{max-width:1000px;margin:auto;padding:32px 20px 60px}h1{font-size:clamp(28px,5vw,44px);line-height:1.15}h2{font-size:24px}section{margin:40px 0}img,video{display:block;width:100%;height:auto;border-radius:10px}video{aspect-ratio:16/9}video.led{max-width:640px;aspect-ratio:4/3}a{color:var(--link)}p{color:var(--muted)}