.br-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 34px;
  align-items: start;
}

.br-rail {
  position: sticky;
  top: 96px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.br-rail-img {
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg);
}

.br-rail-img img {
  width: 100%;
  max-width: 500px;
  max-height: 320px;
  object-fit: cover;
  display: block;
}

.br-rail-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}

.br-content h2 {
  font-size: 24px;
  margin-bottom: 14px;
}

.br-content > p { margin-bottom: 22px; max-width: 760px; }

.br-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin: 30px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.br-step:hover {
  border-color: var(--primary);
  transform: translateX(4px);
}

.br-step-num {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  border-radius: 50%;
  background: var(--primary);
  color: var(--bg);
  font-family: var(--font-cond);
  font-size: 20px;
  font-weight: 800;
}

.br-step h3 {
  font-size: 19px;
  color: var(--accent);
  margin-bottom: 8px;
}

.br-step p { font-size: 15px; }

@media (max-width: 900px) {
  .br-layout { grid-template-columns: 1fr; }
  .br-rail { position: static; }
}