body {
  font-family: Arial, sans-serif;
  padding: 40px; 
  color: #33383D;
  font-size: 14px;
}

.introduction-title {
  color: rgb(252, 139, 31);
  font-size: 18px;
  text-align: left;
  margin: auto;
  padding-bottom: 14px;
}

.main-title7 {
  margin: 0 auto;
  color: #233e83;
  font-family: "Inter-SemiBold", sans-serif;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  padding-bottom: 7px;
  padding-top: 35px;
}

.Turning-points ul {
  margin: 0 auto;
  padding-bottom: 7px;
}

.ul_intro {
    font-size: 14px;
    color: #333;
    /*font-style: italic;*/
}

.milestone-pic img {
  max-width: 700px;   
  width: 100%;        
  height: auto;       
  display: block;     
  margin: 0 auto;
  padding-bottom: 14px;
}

.pics-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  max-width: 700px;
  margin: 0 auto;
  padding-bottom: 14px;
}

.column {
  flex: 1;
  position: relative;
  text-align: center;
  aspect-ratio: 4 / 5; 
  overflow: hidden; 
}

.column img {
  display: block;
  width: 100%;
  height: 100%; 
  object-fit: cover; 
  object-position: center;
}

.name {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  padding: 10px 5px;
  font-size: 12px;
}

.subtitle7 {
  font-style: italic;
}

.intro-paragraph {
  padding-bottom: 7px;
}

.spinel-pic img{
  max-width: 300px;   
  width: 100%;        
  height: auto;      
  display: block;    
  margin: 0 auto;
}

.soft-ferrite-references {
  font-style: italic;
  font-weight: 600;
  font-size: 16px;
  color: #233e83;
  padding-top: 14px;
}

.References-list_intro ol {
  font-style: italic;
  margin-top: 0;
}