.company-intro {
  margin-bottom: 40px;
  font-size: 16px;
  font-weight: 600;
  color: rgba(28, 28, 28, 1);
  text-align: center;
}

.company-intro h1 {
  font-size: 32px;
  font-weight: 700;
  color: rgba(28, 28, 28, 1);
}

.intro-section {
  display: flex;
  /* align-items: center; */
  font-size: 14px;
  font-weight: 400;
  color: rgba(28, 28, 28, 1);
  padding: 20px;
}

.intro-section img {
  width: 600px;
  margin-right: 20px;
}

.intro-text h3 {
  margin-top: 20px;
  border-top: 1px solid rgba(222, 226, 231, 1);
  padding-top: 10px;
  font-size: 24px;
  font-weight: 700;
  color: rgba(28, 28, 28, 1);
}
.intro-text p {
  margin-top: 1rem;
  margin-bottom: 1rem;
}
.intro-item:last-child {
  padding-top: 10px;
}

.quality-assurance {
  margin-top: 30px;
  padding: 20px;
  margin-bottom: 40px;
  font-size: 14px;
  font-weight: 400;
  color: rgba(28, 28, 28, 1);
}
.qa-title {
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  margin-bottom: 20px;
}
.qa-title p {
  font-weight: 600;
}
.qa-title h2 {
  font-size: 32px;
  font-weight: 700;
  color: rgba(0, 118, 72, 1);
  margin-bottom: 15px;
}
.qa-flowchart img {
  max-width: 100%;
  height: auto;
}

.experimental-techniques {
  margin-bottom: 40px;
  padding: 20px;
}

.experimental-techniques h2 {
  font-size: 32px;
  font-weight: 700;
  color: rgba(0, 118, 72, 1);
  text-align: center;
}

.tech-cards {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

.tech-card {
  padding: 20px;
  border: 1px solid rgba(0, 118, 72, 1);
  border-radius: 8px;
  width: 48%;
  font-size: 12px;
  font-weight: 400;
  color: rgba(28, 28, 28, 1);
}
.tech-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: rgba(28, 28, 28, 1);
  text-align: center;
}
.tech-card-text {
  padding: 5px;
}
.tech-card-table {
  text-align: center;
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0;
  color: rgba(0, 118, 72, 1);
}

.tech-card-quote {
  font-size: 14px;
  font-weight: bold;
  background: rgba(239, 239, 239, 1);
  border-radius: 10px;
  padding: 20px;
  color: rgba(28, 28, 28, 1);
  margin-top: 20px;
}

.tech-card-quote-author {
  text-align: right;
}

.step-indicator {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 1084px;
  margin: 25px auto;
  position: relative;
  padding: 0 90px;
}

.step-indicator::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: #e0e0e0;
  transform: translateY(-50%);
  z-index: 1;
}

.step-item {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(222, 226, 231, 1);
  border: 2px solid #fff;
  box-shadow: 0 0 0 3px rgba(139, 150, 165, 1);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  z-index: 2;
}

.step-item.active {
  background-color: #1976d2;
  transform: scale(1.2);
}
.qa-content {
  border: 1px dashed rgba(139, 150, 165, 1);
  border-radius: 5px;
  padding: 20px;
}
.qa-content h3 {
  font-size: 24px;
  font-weight: 700;
  color: rgba(28, 28, 28, 1);
  text-align: center;
}
.qa-item-desc {
  width: 204px;
  height: 124px;
  border-radius: 5px;
  border: 1px solid rgba(0, 118, 72, 1);
  padding: 15px;
}
.qa-item-desc h4 {
  font-size: 20px;
  font-weight: 600;
  color: rgba(28, 28, 28, 1);
}
.qa-item-desc:last-child {
  display: flex;
  justify-content: center;
  align-items: center;
}
.qa-item-desc:last-child h4 {
  font-weight: 700;
}

.qa-item {
  display: flex;
  width: 1085px;
  margin: 0 auto;
  justify-content: space-between;
}