:root{color:#333a32;background:#f4ebd8;font-family:Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0}main{max-width:640px;margin:auto;padding:24px 16px}h1{margin:8px 0}small{color:#526044}section{background:#fff9ed;border:1px solid #d7c9ac;border-radius:16px;margin-top:16px;padding:20px}.camp{border-radius:16px;overflow:hidden}.camp canvas{display:block}