/* Set 6 — app: full-width bar, narrow card deck, red chips */
:root {
  --red: #b91c1c;
  --ink: #111827;
  --sub: #4b5563;
  --bg: #f3f4f6;
  --card: #ffffff;
  --line: #e5e7eb;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-x: hidden; }
body {
  font-family: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
}
a { color: var(--red); }
.brand svg { width: 24px; height: 24px; display: block; flex-shrink: 0; }
p svg, li svg, dd svg {
  width: 1.1em;
  height: 1.1em;
  display: inline-block;
  vertical-align: -0.2em;
  margin: 0 2px;
}
.deck-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 20px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 9;
}
.brand {
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--red);
  font-size: 18px;
}
.deck-bar nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
}
.chip {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
}
.chip.is-on {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
}
.deck {
  max-width: 880px;
  margin: 0 auto;
  padding: 16px 16px 64px;
}
.promo {
  background: var(--card);
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.06);
  margin: 8px 0 18px;
}
.promo h1 {
  font-size: clamp(22px, 4vw, 28px);
  line-height: 1.35;
  margin: 8px 0 12px;
  word-break: break-word;
}
.promo p { margin-bottom: 8px; color: var(--sub); }
.tag {
  display: inline-block;
  background: #fee2e2;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--red);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  padding: 11px 18px;
  border-radius: 999px;
  margin: 8px 8px 0 0;
  line-height: 1.3;
  border: 1px solid var(--red);
}
.btn:hover { filter: brightness(1.05); }
.btn.line {
  background: #fff;
  color: var(--red);
}
.stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.card {
  background: var(--card);
  border-radius: 16px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  min-width: 0;
}
.card h2 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #7f1d1d;
  line-height: 1.4;
}
.card p { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card ol { padding-left: 22px; margin: 8px 0 12px; }
.card li { margin-bottom: 8px; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  table-layout: fixed;
  word-break: break-word;
  margin: 8px 0 4px;
}
th, td {
  padding: 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.faq dt { font-weight: 800; margin-top: 14px; }
.faq dd { color: var(--sub); margin-top: 4px; }
.dock {
  background: #111827;
  color: #d1d5db;
  padding: 24px 16px 32px;
  font-size: 13px;
  line-height: 1.7;
}
.dock .in { max-width: 880px; margin: 0 auto; }
.dock p { margin-bottom: 8px; }
@media (max-width: 640px) {
  .deck-bar { padding: 12px 14px; }
  .promo, .card { padding: 18px 16px; }
}