.upgrade-guide-page {
  background: #f5f7fb;
  color: #18202a;
}

.upgrade-guide-page .navbar-container-h {
  margin-top: 55px;
}

.upgrade-guide-main {
  min-height: 60vh;
  padding: 56px 0 72px;
}

.upgrade-guide-shell {
  width: min(920px, calc(100% - 48px));
  max-width: 920px;
  margin: 0 auto;
}

.upgrade-guide-title {
  margin: 0 0 28px;
  font-size: 36px;
  line-height: 1.2;
  font-weight: 700;
  color: #111827;
}

.upgrade-guide-card {
  padding: 30px;
  background: #ffffff;
  border: 1px solid rgba(19, 32, 54, 0.08);
  border-radius: 8px;
  box-shadow: 0 14px 36px rgba(17, 24, 39, 0.06);
  font-size: 17px;
  line-height: 1.75;
  color: #334155;
}

.upgrade-guide-card p {
  margin: 0 0 12px;
}

.upgrade-guide-steps,
.upgrade-guide-substeps {
  margin: 0;
  padding-left: 24px;
}

.upgrade-guide-steps {
  list-style-type: decimal;
}

.upgrade-guide-steps > li {
  margin-bottom: 24px;
}

.upgrade-guide-steps > li:last-child {
  margin-bottom: 0;
}

.upgrade-guide-substeps {
  margin-bottom: 24px;
  list-style-type: lower-alpha;
}

.upgrade-guide-substeps > li {
  margin-bottom: 18px;
}

.upgrade-guide-note {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.65;
  color: #64748b;
}

.upgrade-guide-link {
  color: #1d4ed8;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.upgrade-guide-link:hover {
  text-decoration: underline;
}

.upgrade-guide-image {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  align-items: flex-start;
  margin: 16px 0 4px;
  padding: 14px;
  background: #f8fafc;
  border: 1px solid rgba(100, 116, 139, 0.18);
  border-radius: 8px;
}

.upgrade-guide-image img {
  display: block;
  flex: 0 0 auto;
  width: auto;
  max-width: min(100%, 260px);
  height: auto;
  max-height: 520px;
  object-fit: contain;
  border-radius: 6px;
}

@media (max-width: 768px) {
  .upgrade-guide-main {
    padding: 36px 0 52px;
  }

  .upgrade-guide-shell {
    width: min(100% - 28px, 920px);
  }

  .upgrade-guide-title {
    font-size: 28px;
  }

  .upgrade-guide-card {
    padding: 22px;
  }

  .upgrade-guide-steps,
  .upgrade-guide-substeps {
    padding-left: 20px;
  }
}