.title-container{
  max-width: 1200px;
  padding:15px 15px;
  margin:0 auto;
}
.breadcrumb li{
  display: inline-block;
}

.main-container{
  display: flex;
  max-width: 1200px;
  padding-top: 60px;
  padding-left: 15px;
  padding-right: 15px;
  margin:0 auto;
  gap:40px
}

.main{
  width: 70%;

}

.main-section{
  padding-bottom: 35px;
  border-bottom: gray 1px solid;
  margin-bottom: 35px;
}

.recommend-list{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
}
.main-hero-img{
  margin-bottom: 35px;
}

.introduction{
color: #333;
font-size: 18px;
line-height: 1.666;
margin-bottom: 30px;
word-break: break-all;
}

.sidebar{
  width: 30%;
}

.toc-main{
  padding: 40px 50px;
  background: hsla(0,0%,90.2%,.4);
}

.toc-title h2{
  font-size: 28px;
  color: #18a0a4;


}

.toc-body{
  margin-top: 25px;
}

.toc-body .subheading-2{
  text-decoration: underline 1px #18a0a4;
  font-size: 20px;

}

.toc-body .subheading-2{
  list-style: disc ;
}

.toc-body .subheading-3{
  text-decoration: underline 1px #18a0a4;
  font-size: 16px;
  padding-left: 32px;
}

.toc-body .subheading-3 ::before{
 content: "- ";
}

.toc-body .subheading-4{
  text-decoration: underline 1px #18a0a4;
  font-size: 16px;
  padding-left: 48px;
}

.toc-body .subheading-4 ::before{
  content: "- ";
}

.main-heading h2{
  border-left: 5px solid #18a0a4;
  background: #fafafa;
  font-size: 27px;
  margin: 85px 0 35px;
  padding: 10px 15px;
}

.main-heading h3{
  color: #050505;
  border-bottom: 1px solid #18a0a4;
  line-height: 34px;
  font-size: 24px;
  margin: 55px 0 35px;
  padding: 5px 0;

}

/* .main-heading h4{

} */

.table_block{
  width:90%;
  margin:auto;
  margin-bottom: 35px;
  border:#050505 1px solid;
  border-collapse: collapse;
}
.table_block caption{
  padding: 10px 0;
  background: #fafafa;
  border: 1px solid #050505;
  border-collapse: collapse;
  text-align: center;

}

.table_block th,td{
  border: 1px solid #050505;
  padding: 10px;
  text-align: center;
  

}



.sidebar-container{
  padding: 20px;
  background: #f5f5f5;
  border-radius: 5px;
  margin-bottom: 20px;
}


@media screen and (max-width:768px) {
  .main-container{
    display: block;
  }
  .main{
    width: 100%;
  }
  .sidebar{
    width: 100%;
  }
  .toc-main{
    padding: 20px 25px;
  }
  .toc-title h2{
    font-size: 24px;
  }
  .toc-body .subheading-2{
    font-size: 18px;
  }
  .toc-body .subheading-3{
    font-size: 14px;
    padding-left: 20px;
  }
  .toc-body .subheading-4{
    font-size: 14px;
    padding-left: 30px;
  }
  .main-heading h2{
    font-size: 24px;
    margin: 55px 0 35px;
    padding: 10px 15px;
  }
  .main-heading h3{
    font-size: 20px;
    margin: 45px 0 35px;
    padding: 5px 0;
  }
  .sidebar-container{
    padding: 15px;
  }
  .sidebar-container-toc{
    display: none;
  }
}