:root {
  --bg: #f4f6fa;
  --panel: #ffffff;
  --line: #e3e8f0;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2f6fed;
  --primary-dark: #245bd0;
  --danger: #d94a4a;
  --ok: #1f9d6b;
  --warn: #b7791f;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 0 40px;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  -webkit-text-size-adjust: 100%;
}

header.shop-head {
  background: var(--primary);
  color: #fff;
  padding: 18px 18px 20px;
}
header.shop-head h1 { margin: 0; font-size: 19px; }
header.shop-head p { margin: 6px 0 0; font-size: 13px; opacity: .9; line-height: 1.6; }

main { padding: 14px 14px 0; max-width: 620px; margin: 0 auto; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}
.card h2 { margin: 0 0 12px; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  flex: none;
}

label.field { display: block; margin-bottom: 12px; }
label.field > span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 5px; }

input, select, textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-family: inherit;
  font-size: 15px;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(47, 111, 237, .25);
  border-color: var(--primary);
}
.btn {
  display: block;
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--primary-dark); color: #fff; }
.btn.small { display: inline-block; width: auto; padding: 6px 12px; font-size: 13px; }

.hint { color: var(--muted); font-size: 13px; line-height: 1.75; margin: 10px 0 0; }
.hint code { background: #eef2f9; padding: 1px 6px; border-radius: 4px; }

.money { font-size: 26px; font-weight: 700; color: var(--danger); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }
.mono { font-family: Consolas, "Courier New", monospace; }

.order-no {
  font-family: Consolas, "Courier New", monospace;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .5px;
  word-break: break-all;
}

.pay-qr { text-align: center; margin: 14px 0 4px; }
.pay-qr img {
  width: 240px;
  max-width: 80%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.pay-qr .missing {
  border: 1px dashed var(--warn);
  border-radius: 10px;
  padding: 18px 14px;
  color: var(--warn);
  font-size: 13px;
  line-height: 1.7;
  text-align: left;
}

.codes { display: flex; flex-direction: column; gap: 8px; margin: 4px 0 0; }

/* 拿到卡密后的醒目保存提示：买家忘了卡密时，只有靠这两项自助找回 */
.save-warn {
  margin-top: 14px;
  padding: 12px 14px;
  background: #fff4e5;
  border: 1px solid #ffb74d;
  border-left: 5px solid var(--danger);
  border-radius: 8px;
  color: #8a4a00;
  font-size: 14px;
  line-height: 1.75;
}
.save-warn strong {
  display: block;
  margin-bottom: 4px;
  color: var(--danger);
  font-size: 15px;
}
.save-warn ul { margin: 6px 0; padding-left: 20px; }
.save-warn li { margin: 3px 0; }
.save-warn .mono {
  background: #fff;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 700;
}
.code-item {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 11px 12px;
  background: #fbfcfe;
}
.code-item .code {
  flex: 1;
  font-family: Consolas, "Courier New", monospace;
  font-size: 16px;
  font-weight: 700;
  word-break: break-all;
}

.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: #f2f4f8;
  color: var(--muted);
}
.pill-ok { background: #e8f7f0; color: var(--ok); border-color: #bfe6d4; }
.pill-warn { background: #fdf6e6; color: var(--warn); border-color: #f0dfb4; }
.pill-danger { background: #fdeeee; color: var(--danger); border-color: #f1cccc; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  background: #1f2937;
  color: #fff;
  padding: 11px 18px;
  border-radius: 8px;
  font-size: 14px;
  max-width: 84vw;
  z-index: 99;
}

footer.shop-foot {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.9;
  padding: 4px 18px 0;
}

[hidden] { display: none !important; }