*,:before,:after{box-sizing:border-box}*{margin:0}html,body{height:100%}body{-webkit-font-smoothing:antialiased;line-height:1.5}img,picture,video,canvas,svg{max-width:100%;display:block}input,button,textarea,select{font:inherit}body{color:#1f1f1f;background:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Ubuntu,Helvetica Neue,Arial,sans-serif;font-size:16px}h1{margin-top:1em;margin-bottom:.5em;font-size:2rem;line-height:1.2}h2{font-size:1.5rem;line-height:1.3}h3{font-size:1.25rem;line-height:1.4}p{margin:1rem 0}a{color:#1677ff;text-decoration:none}a:hover{text-decoration:underline}ul,ol{padding-left:1.25rem}table{border-collapse:collapse}th,td{border:1px solid #ddd;padding:.5rem}th{background:#e8e8e8}code,pre{background:#f6f6f6;border-radius:4px;padding:.2rem .4rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}blockquote{color:#333;background:#f7f9fc;border-left:4px solid #1677ff;border-radius:4px;margin:1.5rem 0;padding:1rem 1.25rem;font-style:italic}blockquote p{margin:0}blockquote footer{color:#666;margin-top:.5rem;font-size:.875rem;font-style:normal}hr{border:none;border-top:1px solid #ccc;margin:2rem 0}