.page-container {
  max-width: 900px;
  margin: 140px auto 80px;
  padding: 40px 50px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  color: #fff;
  line-height: 1.9;
  box-shadow: 0 10px 40px rgba(0,0,0,0.45);
}

.page-container h1 {
  font-size: 2.2rem;
  margin-bottom: 18px;
  color: #e6e4ff;
  text-shadow: 0 0 14px rgba(150,130,255,0.4);
}

.page-container h2 {
  font-size: 1.5rem;
  margin-top: 32px;
  color: #cfd1ff;
  border-left: 4px solid #66ccff;
  padding-left: 14px;
}

.page-container p {
  font-size: 1.05rem;
  opacity: .95;
}

ul { padding-left: 20px; }

.back-link {
  display:inline-block; margin-top:40px;
  padding:12px 26px; border-radius:8px;
  background:linear-gradient(135deg,#ff4c4c,#66ccff);
  color:#fff; text-decoration:none; font-weight:700;
  box-shadow:0 6px 20px rgba(0,0,0,0.4);
  transition:.25s;
}
.back-link:hover {
  transform: translateY(-3px);
  box-shadow:0 10px 25px rgba(0,0,0,0.6);
}