#intro-bg{position:relative}#intro-bg .vector-introduction{position:absolute;bottom:-50px;left:50%;transform:translateX(-50%);max-width:100%;object-fit:cover;z-index:-1}#introduction{position:relative;z-index:1;font-family:inherit!important;margin:64px 0;padding:48px;border-radius:20px;background:#fff;box-shadow:0 6px 12px 0 rgba(0,0,0,.078)}#introduction.no-content{box-shadow:none;padding:0}#introduction .title-toefl{font-size:34px;font-weight:600;line-height:52.56px;text-align:center;color:var(--ks-black-color-default,#000)}#introduction .title-toefl .high-light{color:var(--ks-primary-color-main,#ff8159)}@media screen and (min-width:992px){#introduction{width:100%}}@media screen and (max-width:768px){#introduction{width:100%;margin:48px 0;padding:32px}#introduction .title-introduction{width:100%!important}}#introduction .title-introduction{width:620px;margin:0 auto 20px;display:flex;text-align:center;font-size:32px;font-weight:600;color:var(--titleColor)}@media screen and (max-width:1025px){#introduction .title-introduction{padding:24px}}#introduction .list-intro{text-align:left;margin:0}#introduction .list-intro.read-more>:not(:nth-child(-n+4)){display:none}#introduction .list-intro.anim-theme-newyear.vi h2:first-of-type,#introduction .list-intro.anim-theme-newyear.vi p:first-of-type strong{color:var(--color-new-year)}#introduction .btn-show-content{cursor:pointer;font-size:20px;font-weight:600;display:flex;justify-content:center;color:var(--ks-info-color-default)}#introduction .btn-show-content:hover{text-decoration:underline}