/* 抬头导航的产品页、购买页共用的样式。手机优先：大多数人是在微信里打开的 */
:root {
  color-scheme: dark;
  --bg: #0b0f0d;
  --card: #141b17;
  --line: #24312a;
  --text: #dfeee4;
  --dim: #8fa596;
  --green: #4cff6a;
  --green-dim: #1f4d2b;
  font-family: system-ui, -apple-system, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

h1 { font-size: 26px; margin: 8px 0 4px; }
h2 { font-size: 19px; margin: 28px 0 10px; }
h3 { font-size: 16px; margin: 18px 0 6px; }
p, li { font-size: 15px; }
a { color: var(--green); }

.tagline { color: var(--dim); margin: 0 0 16px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 12px 0;
}

.shot {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #000;
  display: block;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--dim); font-weight: normal; }
td.yes { color: var(--green); }

.btn {
  display: inline-block;
  width: 100%;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid #2f7a43;
  background: var(--green-dim);
  color: #eaffef;
  font-size: 17px;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.btn:disabled { opacity: 0.45; }
.btn.plain { background: transparent; border-color: var(--line); color: var(--text); font-size: 15px; padding: 9px 12px; width: auto; }

.price { font-size: 34px; font-weight: bold; color: var(--green); }
.price small { font-size: 15px; color: var(--dim); font-weight: normal; }

.code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 22px;
  letter-spacing: 1px;
  color: var(--green);
  word-break: break-all;
}

.muted { color: var(--dim); font-size: 13px; }
.warn { color: #ffb46b; }
.err { color: #ff7a6b; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.hidden { display: none !important; }

footer {
  margin-top: 36px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 12px;
}

footer a { color: var(--dim); }

.qr { width: 180px; height: 180px; background: #fff; padding: 8px; border-radius: 8px; image-rendering: pixelated; }

.legal h2 { font-size: 17px; }
.legal p, .legal li { font-size: 14px; color: #cfe0d5; }