:root{--bg:#f6f4ee;--ink:#1f2328;--sub:#7a7f87;--pri:#ffb800;--pri-d:#e5a500}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.6;-webkit-text-size-adjust:100%}
.wrap{max-width:480px;margin:0 auto;padding:22px 16px 40px}
h1{font-size:24px;margin:6px 0 2px;text-align:center}
.who{text-align:center;color:var(--sub);font-size:13px;margin:0 0 18px}
.warn{display:none;background:#fdecec;color:#b42318;border-radius:12px;padding:10px 14px;margin:0 0 14px;font-size:14px}
.copy{display:block;width:100%;border:0;border-radius:18px;background:var(--pri);color:#2a1f00;font-size:26px;font-weight:800;padding:22px;cursor:pointer;box-shadow:0 8px 20px rgba(255,184,0,.35);font-family:inherit}
.copy:active{transform:scale(.98)}.copy.done{background:#2fb36b;color:#fff;box-shadow:0 8px 20px rgba(47,179,107,.3)}
.copymsg{text-align:center;font-size:14px;margin:8px 0 0;color:#b42318;min-height:0}
.copymsg.ok{color:#1a7f37}
.pane{display:none;margin-top:20px}.pane.on{display:block}
.steps{list-style:none;margin:0;padding:0}
.steps li{display:flex;gap:14px;align-items:flex-start;background:#fff;border-radius:16px;padding:14px 16px;margin:10px 0;box-shadow:0 1px 2px rgba(0,0,0,.04),0 6px 18px rgba(60,50,20,.06)}
.ic{flex:none;width:44px;height:44px;border-radius:14px;background:#fff4d1;display:grid;place-items:center;font-size:24px;position:relative}
.ic b{position:absolute;top:-6px;left:-6px;width:20px;height:20px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;display:grid;place-items:center}
.steps h3{margin:0;font-size:16px}
.steps p{margin:2px 0 0;font-size:14px;color:#4b5058}
.tip{font-size:13px;color:#8a6100;background:#fff8e0;border-radius:10px;padding:8px 12px;margin:8px 0 0}
a.btn{display:inline-block;background:var(--pri);color:#2a1f00;font-weight:700;border-radius:10px;padding:8px 16px;text-decoration:none;margin-top:6px}
details{margin:14px 0}
summary{cursor:pointer;color:var(--sub);font-size:14px;text-align:center;padding:8px;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:" ▾"}
details[open]>summary::after{content:" ▴"}
.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:6px}
.chips button{border:0;border-radius:999px;background:#ebe8de;color:var(--ink);padding:7px 14px;font-size:14px;cursor:pointer;font-family:inherit}
.chips button.on{background:var(--ink);color:#fff}
textarea.code,pre{width:100%;font-size:12px;font-family:ui-monospace,Menlo,monospace;background:#fff;border:1px solid #e3e0d5;border-radius:10px;padding:10px;min-height:84px;white-space:pre-wrap;word-break:break-all;margin:6px 0}
.small{border:0;background:#ebe8de;border-radius:8px;padding:6px 14px;font-size:13px;cursor:pointer;font-family:inherit}
.qrbox{text-align:center;margin-top:26px;color:var(--sub);font-size:12px}
#qr svg{width:96px;height:96px;background:#fff;border-radius:8px;padding:4px}
a{color:#b87500;font-weight:600}
.apkbar{display:block;text-align:center;background:#e8f6ee;color:#146c3a;font-weight:700;font-size:15px;border-radius:12px;padding:10px 14px;margin:0 0 14px;text-decoration:none}
a.dl{display:block;text-align:center;border-radius:18px;background:#2fb36b;color:#fff;font-size:24px;font-weight:800;padding:22px;text-decoration:none;box-shadow:0 8px 20px rgba(47,179,107,.3)}
a.dl:active{transform:scale(.98)}
.back{text-align:center;font-size:13px;margin:18px 0 0}.back a{color:var(--sub)}