/* 工艺 Banner */
.process-banner {
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url('process-banner.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
  padding: 180px 0 100px;
}

/* 优势卡片 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.advantage-card {
  background: #fff;
  border-radius: 8px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

.advantage-card:hover {
  transform: translateY(-10px);
}

.advantage-icon {
  font-size: 60px;
  color: #0066cc;
  margin-bottom: 20px;
}

.advantage-card h3 {
  font-size: 22px;
  margin-bottom: 15px;
}

/* 时间线工艺流程 */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 50px auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #0066cc;
}

.timeline-step {
  position: relative;
  padding-left: 100px;
  margin-bottom: 40px;
}

.step-number {
  position: absolute;
  left: 30px;
  top: 0;
  width: 40px;
  height: 40px;
  background: #0066cc;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 18px;
}

.step-content {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.step-content h3 {
  color: #0066cc;
  margin-bottom: 10px;
}

/* 技术参数表格 */
.specs-table {
  overflow-x: auto;
  margin-top: 40px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

th,
td {
  padding: 15px;
  text-align: left;
  border-bottom: 1px solid #eee;
}

th {
  background: #0066cc;
  color: #fff;
}

tr:nth-child(even) {
  background: #f9f9f9;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }
  .timeline-step {
    padding-left: 60px;
  }
  .step-number {
    left: 0;
  }
}
