/* 数据资产入表十步法 */
.ten-steps {
  padding: var(--section-padding);
  position: relative;
  background: var(--bg-secondary);
}

.ten-steps-header {
  text-align: center;
  margin-bottom: 64px;
}

.ten-steps-header .section-desc {
  margin: 0 auto;
}

.steps-timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.steps-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--neon-cyan), var(--neon-blue), var(--neon-purple));
  opacity: 0.3;
}

.step-item {
  display: flex;
  gap: 32px;
  margin-bottom: 0;
  position: relative;
  padding: 20px 0;
}

.step-marker {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.step-marker.phase-build {
  background: rgba(0, 240, 255, 0.12);
  border: 2px solid rgba(0, 240, 255, 0.4);
  color: var(--neon-cyan);
}

.step-marker.phase-prepare {
  background: rgba(77, 124, 255, 0.12);
  border: 2px solid rgba(77, 124, 255, 0.4);
  color: var(--neon-blue);
}

.step-marker.phase-entry {
  background: rgba(168, 85, 247, 0.12);
  border: 2px solid rgba(168, 85, 247, 0.4);
  color: var(--neon-purple);
}

.step-marker.phase-value {
  background: rgba(0, 255, 136, 0.12);
  border: 2px solid rgba(0, 255, 136, 0.4);
  color: var(--neon-green);
}

.step-content {
  flex: 1;
  padding-bottom: 24px;
}

.step-phase-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.phase-build-label { color: var(--neon-cyan); }
.phase-prepare-label { color: var(--neon-blue); }
.phase-entry-label { color: var(--neon-purple); }
.phase-value-label { color: var(--neon-green); }

.step-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 阶段分隔 */
.phase-divider {
  text-align: center;
  padding: 8px 0 8px 88px;
  position: relative;
}

.phase-divider span {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
}

.phase-divider.build-phase span {
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  color: var(--neon-cyan);
}

.phase-divider.prepare-phase span {
  background: rgba(77, 124, 255, 0.08);
  border: 1px solid rgba(77, 124, 255, 0.2);
  color: var(--neon-blue);
}

.phase-divider.entry-phase span {
  background: rgba(168, 85, 247, 0.08);
  border: 1px solid rgba(168, 85, 247, 0.2);
  color: var(--neon-purple);
}

.phase-divider.value-phase span {
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.2);
  color: var(--neon-green);
}

/* 响应式 */
@media (max-width: 640px) {
  .step-item {
    gap: 20px;
  }
  
  .step-marker {
    width: 44px;
    height: 44px;
    font-size: 0.95rem;
  }
  
  .steps-timeline::before {
    left: 22px;
  }
}