.single-blog .wrap-base{
    flex-direction: column;
}
.single-blog__top-info{
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    font-size: 12px;
    font-weight: 500;
    margin: 21px 0 10px;
}
.single-blog__top-info time{
    color:#767676;
}
.single-blogcolumns{
    display: flex;
    gap: 20px;
    margin: 81px auto 40px;
    align-items: flex-start;
    max-width: 1188px;
    justify-content: space-between;
}

.single-blog__toc{
    width: calc(100% - 389px);
}

.single-blog__nav{
    border: 1px solid #ECECEC;
    width: 326px;
    border-radius: 14px;
    padding: 14px 16px;
}

.single-blog__container h1{
    text-align: center;
    margin: 0 auto 15px;
    max-width: 620px;
    font-size: 36px;
    line-height: 46px;
    font-weight: 700;
}
.single-blog__container > div > img{
    border-radius: 24px;
    max-width: 1188px;
    margin: 0 auto;
    width: 100%;
}

.single-blog__container > div > p{
    margin: 0 auto 36px;
    max-width: 1020px;
    font-size: 16px;
    line-height: 26px;
    font-weight: 500;
    text-align: center;
}

.single-blog__nav{

}

.single-blog__nav h6{
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 19px;
}

.single-blog__nav ul{
    font-size: 14px;
    color:#767676;
}

.single-blog__nav ul li{
    
margin-bottom: 10px;
    
line-height: 20px;
}

.single-blog__toc h2{
    font-weight: 700;
    font-size: 24px;
    line-height: 34px;
    margin: 0 0 15px;
}

.single-blog__toc h3{
    font-weight: 700;
    font-size: 18px;
    line-height: 34px;
    margin: 0 0 15px;
}

.single-blog__toc p{
    font-weight: 400;
    font-size: 18px;
    line-height: 26px;
    margin: 0 0 20px;
}

/*tooltip*/

sup {
  font-size: 90%;
  line-height: 1;
  font-weight: 700;
  position: relative;
  bottom: 0;
}
sup a {
  padding: 1px 3px;
  cursor: pointer;
  border-radius: 2px;
}
sup .tooltip {
  position: absolute;
  top: 22px;
  left: -4rem;
  border: 1px solid #666;
  background: #fff;
  padding: 1rem;
  border-radius: 10px;
  line-height: 1.2;
  word-break: break-word;
  min-width: 300px;
  max-width: 300px;
  width: 100%;
  box-sizing: border-box;
  z-index: 1;
  display: none;
  color: var(--black-500);
}
@media (max-width: 1500px) and (min-width: 1024px) {
  sup .tooltip {
    min-width: 200px;
  }
}
@media (max-width: 1024px) {
  sup .tooltip {
    position: static;
  }
}
sup.active .tooltip {
  display: block;
}
sup.active a {
  background: rgba(102, 102, 102, 0.2);
}

.references-blog-item .tooltip {
  font-size: 14px;
  line-height: 1.2;
  font-weight: 400;
}

.references-blog-item:hover .tooltip {
  display: block;
}

.references-blog-item{
    color:var(--primary);
}


@media (max-width: 1310px) {



    .single-blog__top-info {
        justify-content: flex-start;
    }

    .single-blog__container h1 {
        text-align: left;
        font-size: 20px;
        line-height: 1.3;
        max-width: 100%;
    }

    .single-blog__container > div > p {
        font-size: 14px;
        line-height: 20px;
        text-align: left;
        max-width: 100%;
    }

    .single-blogcolumns {
        flex-direction: column-reverse;
    }

    .single-blog__nav {
        width: auto;
    }

    .single-blog__toc {
        width: auto;
    }

    .single-blog__toc h2 {
        font-weight: 700;
        font-size: 18px;
        line-height: 24px;
    }

    .single-blog__toc h3 {
        font-weight: 700;
        font-size: 16px;
        line-height: 22px;
    }

    .single-blog__toc p {
        font-size: 14px;
        line-height: 1.5;
    }

    .single-blog__top-info {
        margin: 12px 0 10px;
    }

    .single-blogcolumns {
        margin: 33px auto 40px;
    }
    .single-blog__nav h6 {
        font-size: 18px;
        margin: 0 0 16px;
    }

}