* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 70%);
  color: #1f3552;
}
.details-wrap {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1rem;
}
.details-card {
  background: #ffffff;
  border: 1px solid rgba(44, 104, 176, 0.25);
  border-radius: 16px;
  box-shadow: 0 12px 26px rgba(23, 74, 126, 0.14);
  padding: 1.25rem;
}
.tag {
  display: inline-block;
  background: #e6f1ff;
  color: #174a7e;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.8rem;
}
h1 {
  margin: 0 0 0.65rem;
  color: #102d52;
  font-size: 1.65rem;
}
p {
  margin: 0 0 0.95rem;
  line-height: 1.7;
  font-size: 0.98rem;
}
.panel {
  margin-top: 1rem;
  background: #f7fbff;
  border: 1px solid rgba(57, 120, 194, 0.2);
  border-radius: 12px;
  padding: 0.95rem;
}
.panel h2 {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  color: #143a6c;
}
ul {
  margin: 0;
  padding-left: 1.1rem;
  line-height: 1.7;
}
.back-link {
  display: inline-block;
  margin-top: 1.25rem;
  color: #1b61ac;
  font-weight: 700;
  text-decoration: none;
}
.back-link:hover { text-decoration: underline; }