* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: #f7f7f9;
  color: #1f2430;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
}

main {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 16px;
}

.back {
  display: inline-block;
  font-size: 13px;
  color: #6b7280;
  text-decoration: none;
  margin-bottom: 12px;
}

h1 {
  font-size: 24px;
  margin: 0 0 16px;
}

.trip-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.trip-card {
  display: block;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
}

.trip-title {
  font-size: 16px;
  font-weight: 700;
}

.trip-date {
  font-size: 13px;
  color: #6b7280;
  margin-top: 2px;
}