:root { --bg: #f4f1ea; --card: #fff; --ink: #2b2620; --muted: #8a8173; --line: #e6e0d4; --accent: #c0392b; --ok: #2e7d32; --alipay: #1677ff; --wxpay: #07c160; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; }
.wrap { max-width: 420px; margin: 0 auto; padding: 20px 16px 32px; }
h1 { font-size: 18px; margin: 0 0 14px; text-align: center; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 14px; }
.center { text-align: center; }
.money { text-align: center; font-size: 34px; font-weight: 700; margin: 0 0 12px; }
.money small { font-size: 18px; margin-right: 2px; }
.row { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-top: 1px solid var(--line); }
.row span:first-child { color: var(--muted); flex: none; }
.row span:last-child { text-align: right; word-break: break-all; }
.sub { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.methods { display: flex; flex-direction: column; gap: 10px; }
.methods button { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; padding: 13px; border: 0; border-radius: 10px; color: #fff; font: inherit; font-size: 17px; cursor: pointer; }
.methods button[data-m=alipay] { background: var(--alipay); }
.methods button[data-m=wxpay] { background: var(--wxpay); }
.methods button:disabled { opacity: .55; cursor: default; }
.btn { display: block; margin: 4px 0 14px; padding: 13px; border-radius: 10px; color: #fff; font-size: 17px; text-decoration: none; background: var(--accent); }
.btn.alipay { background: var(--alipay); }
.btn.wxpay { background: var(--wxpay); }
canvas { display: block; margin: 0 auto; max-width: 240px; width: 100%; height: auto; image-rendering: pixelated; }
.tip { color: var(--muted); font-size: 13px; margin-top: 8px; }
.waiting { margin-top: 14px; font-size: 13px; color: var(--muted); }
.link { margin-top: 10px; border: 0; background: none; color: var(--accent); font: inherit; font-size: 14px; cursor: pointer; }
.ok-mark { width: 56px; height: 56px; margin: 4px auto 8px; border-radius: 50%; background: var(--ok); color: #fff; font-size: 32px; line-height: 56px; }
.big { font-size: 20px; font-weight: 700; }
.msg { text-align: center; min-height: 24px; color: var(--muted); }
.msg.err { color: var(--accent); }
.msg.ok { color: var(--ok); }