:root{color-scheme:light;--ink:#17283a;--muted:#52667a;--line:#dce4ea;--paper:#f3f6f8;--accent:#b15813;--primary:#173c55}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 "Microsoft YaHei","PingFang SC",system-ui,sans-serif}header{background:#142839;color:#fff}.wrap{width:min(880px,calc(100% - 32px));margin:auto}.top{display:flex;align-items:center;gap:12px;min-height:70px;font-weight:700}.mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#ffc274;color:#4a2810}.label{margin-left:auto;font-size:13px;font-weight:500;color:#ffd7aa}main{padding:34px 0 42px}h1{margin:0 0 5px;font-size:clamp(30px,5vw,45px)}h2{margin:0 0 10px;font-size:20px}.intro,.muted{color:var(--muted)}.intro{margin:0 0 24px}section{margin-bottom:16px;padding:22px;border:1px solid var(--line);border-radius:14px;background:#fff}.roles,.actions,.section-top{display:flex;flex-wrap:wrap;align-items:center;gap:9px}.section-top{justify-content:space-between}button{min-height:42px;padding:8px 13px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--primary);font:inherit;cursor:pointer}button[aria-pressed=true],#start,#claim{background:var(--primary);color:#fff;border-color:var(--primary)}button:focus-visible{outline:3px solid #d47b32;outline-offset:2px}button:disabled{opacity:.55;cursor:default}table{width:100%;border-collapse:collapse;text-align:left}th,td{padding:9px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600}.table-wrap{overflow-x:auto;margin-bottom:14px}#message{min-height:1.55em;color:var(--accent);font-weight:600}[hidden]{display:none!important}

form,.device,#invite-box,#member-codes p{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:12px}input{font:inherit;min-height:42px;min-width:12rem;max-width:100%;padding:7px 10px;border:1px solid var(--line);border-radius:8px}#member-codes input,#pair-code{width:23rem}.device{justify-content:space-between;border-top:1px solid var(--line);padding-top:10px}.device span{overflow-wrap:anywhere}