:root {
  --hightline-color: #ff6b6b;    
  --hightline-accent: #ff6b6b;  
  --hightline-duration: 1s;     
  --hightline-glow: 12px;       
  --bc-sui-btn-default-color: #23085a;
  --bc-sui-btn-default-bg: #fff;
  --bc-sui-btn-default-hover-color: #23085a;
  --bc-sui-btn-default-hover-bg: #00dcff;
  --bc-sui-btn-primary-color: #fff;
  --bc-sui-btn-primary-bg: #23085a;
  --bc-sui-btn-primary-hover-color: #23085a;
  --bc-sui-btn-primary-hover-bg: #ff00c8;
  --bc-sui-btn-success-color: #fff;
  --bc-sui-btn-success-bg: #3d9026;
  --bc-sui-btn-success-hover-color: #23085a;
  --bc-sui-btn-success-hover-bg: #2c681b;
  --primary: #23085a;
  --second:#f1f1f1;
}

html {
  scroll-behavior: smooth;
}
body{
  font-family: arial;
}
.z-10{z-index: 10;}
.text-custom-second{color: var(--second)}
.page-header h1 {
  margin: -5px 0 5px 0;
}

.page-header {
  margin: 20px 0;
  padding: 0;
  position: relative;
  border: none;
  width: 100%;
  line-height: 1.2em;
}


@media (min-width: 850px) {
  .page-header {
      margin-bottom: 0;
  }
}



.page-header h1 {
  padding: 0;
  color: var(--primary);
  padding-bottom: 15px;
  margin-bottom: 20px;
  position: relative;
}

@media (min-width: 850px) and (min-width: 1024px) {
  .page-header h1 {
  }
}
@media (min-width: 850px) {
  .page-header h1 {
      /* margin: 0 0 1.1em; */
  }
}
.page-header h1 {
  /* margin: -5px 0 5px 0; */
}

.h1:not(.no-underline)::before, h1:not(.no-underline)::before {
  /* position: absolute; */
  /* left: 0; */
  /* bottom: 0; */
  /* content: ""; */
  background-color: #23085a;
  width: 45px;
  height: 4px;
  border-radius: 4px;
}
.filter-black{
  filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(7495%) hue-rotate(288deg) brightness(100%) contrast(100%);
  -webkit-filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(7495%) hue-rotate(288deg) brightness(100%) contrast(100%);
}
.filter-white{
  filter: brightness(0) saturate(100%) invert(0%) sepia(0%) saturate(7495%) hue-rotate(288deg) brightness(100%) contrast(100%);
  -webkit-filter: brightness(0) saturate(100%) invert(0%) sepia(0%) saturate(7495%) hue-rotate(288deg) brightness(100%) contrast(100%);
}

.img-ovan{
    border-top-left-radius: 30px;
    overflow: hidden;
}
.post-module{
    box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .15) !important;
    height: 100%;
    border-top-left-radius: 30px;
}
.post-module .post-content{

border-radius: 3px;
height: 100%;
padding: 10px;
}
.post-module.custom {
box-shadow: none;
text-align: center;
}

.post-module.custom .post-content .title a {
color: #333;
font-family: "Mulibold";
}
.post-module .thumbnail {
}
  .post-module .thumbnail  img{
    width: 100%;
    border-top-left-radius: 30px;
    border-bottom-right-radius: 30px;
}
.post-module .post-content .title-global{
 font-size: 15px;
}
.post-module .post-content .small-title{font-size:12px;margin-bottom:3px}
.post-module .post-content .title {
font-size: 14px;
overflow: hidden;
text-overflow: ellipsis;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2; /* number of lines to show */
line-height: 22px;        /* fallback */
/* max-height: 44px; */
/* height: 44px; */
}
.post-module .post-content .title:hover a {
color: var(--primary);
text-decoration: none;
}
.post-module .post-content .title a {
color: #6a6a6a;
font-weight: 700;
text-decoration: none;
transition: 0.5s ease;
}
.post-module .more{}
.post-module .more:hover a{
  color: #b92023;
  text-decoration: none;
  border-color: #b92023;
}
.post-module .more a{
  border: 1px solid #ccc;
  display: inline-block;
  padding: 3px 4px;
  font-size: 12px;
  color: #333;
}
.post-module .post-content .description {font-size: 0.8rem;-webkit-box-orient: vertical;-webkit-line-clamp: 2;text-overflow: ellipsis;overflow: hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 2; /* number of lines to show */line-height: 16px;        /* fallback */max-height: 32px;margin-bottom: 5px;}
.post-module .post-content .post-meta a{
  font-weight: 500;
  color: #333;
  font-size: 14px;
  border-bottom: 1px solid #ccc;
  text-decoration:  none !important;
}
.post-module .post-content .post-meta {font-size: 12px;font-weight: 500;}
.small-title{
    color: #005cb9;
    font-size: 15px;
    font-weight: bold;
}
.title-global a{text-decoration:none;color: #23085a;}
.title-global{
    color: #23085a;
    font-weight: bold;
    font-size: 19px;
}
.box-news-small{
    position: absolute;
    left: 0;
    width: 100%;
    max-width: 600px;
    background: #fff;
    border-top-right-radius: 50px;
    bottom: 0;
    height: 100%;
    max-height: 300px;
}
.box-more-cast{}
.box-more-cast .col div{
    border-radius: 20px;
    border-top-right-radius: 0;
    border-bottom-left-radius: 0;
    text-align: center;
    font-size: 19px;
    padding: 2rem 0;
}
.box-more-cast .col div a{
    color: #fff;
    text-decoration: none;
}
.btn-global{background:var(--primary);color: #fff;text-decoration: none;display: inline-block;padding: 6px 30px;border-radius: 30px;}

.item-course{
    box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .15) !important;
    border-top-left-radius: 50px;
    border-bottom-right-radius: 50px;
    overflow: hidden;
    margin: 2px;
    margin-bottom: 20px;
}
.item-course .img-course{}
.item-course .img-course img{}
.item-course .content-course{
    padding: 10px;
    height: 100%;
}
.item-course .content-course a{
    font-weight: normal;
    text-decoration: none;
    line-height: 1.3;
    margin-bottom: 13px;
    display: block;
    height: 47px;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
     /* number of lines to show */
    line-height: 22px;        /* fallback */
           /* fallback */
}
.item-course .rating {}
.item-course .rating i{}
.item-course .price-old{
    text-decoration: line-through;
    font-size: 13px;
}
.item-course .price-new{
    color: red;
    font-weight: 500;
}
.item-course .price-discount{
    background: red;
    font-size: 11px;
    color: #fff;
    padding: 2px;
    border-radius: 5px;
}

.bc-show-hides, .bc-tabs {
  margin: 0 0 30px;
}.bc-drill-down-breadcrumb a, .bc-drill-down-item a, .bc-show-hide-title {
  color: #23085a;
  display: block;
  background-color: rgba(35, 8, 90, .15);
  line-height: 1.3;
  outline: 0;
  cursor: pointer;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  margin: 0 0 1px;
  padding: 0.8em 60px 0.8em 20px;
  font-size: 1.11em;
  font-weight: 500;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.bc-drill-down-breadcrumb a:after, .bc-drill-down-item a:after, .bc-show-hide-title:after {
  width: 15px;
  height: 15px;
  content: "";
  display: block;
  position: absolute;
  top: 27px;
  right: 20px;
  background-image: url(data:image/svg+xml;charset=utf-8;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyMCAyMCI+PHBhdGggZmlsbD0iYmxhY2siIGQ9Ik0xNiAxMGMwIC41NTMtLjA0OCAxLS42IDFIMTF2NC40YzAgLjU1LS40NDcuNi0xIC42LS41NTMgMC0xLS4wNS0xLS42VjExSDQuNmMtLjU1IDAtLjYtLjQ0Ny0uNi0xIDAtLjU1My4wNS0xIC42LTFIOVY0LjZjMC0uNTUyLjQ0Ny0uNiAxLS42LjU1MyAwIDEgLjA0OCAxIC42VjloNC40Yy41NTIgMCAuNi40NDcuNiAxeiIvPjwvc3ZnPg==);
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-size: 23px;
}
.bc-drill-down-breadcrumb a:after, .bc-drill-down-item a:after, .bc-show-hide-title:after {
  width: 15px;
  height: 15px;
  content: "";
  display: block;
  position: absolute;
  top: 18px;
  right: 20px;
  background-image: url(data:image/svg+xml;charset=utf-8;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyMCAyMCI+PHBhdGggZmlsbD0iYmxhY2siIGQ9Ik0xNiAxMGMwIC41NTMtLjA0OCAxLS42IDFIMTF2NC40YzAgLjU1LS40NDcuNi0xIC42LS41NTMgMC0xLS4wNS0xLS42VjExSDQuNmMtLjU1IDAtLjYtLjQ0Ny0uNi0xIDAtLjU1My4wNS0xIC42LTFIOVY0LjZjMC0uNTUyLjQ0Ny0uNiAxLS42LjU1MyAwIDEgLjA0OCAxIC42VjloNC40Yy41NTIgMCAuNi40NDcuNiAxeiIvPjwvc3ZnPg==);
  background-repeat: no-repeat;
  background-position: 50% 50%;
  background-size: 23px;
}
.bc-show-hide-content.bc-show-hide-hidden {
  display: none;
}
.bc-show-hides .bc-show-hide-body, .bc-tabs .bc-show-hide-body {
  margin-top: -1px;
  margin-bottom: 1px;
  padding: 20px;
  background: #ebebeb;
}
.bc-show-hides .bc-show-hide-body>:last-child, .bc-tabs .bc-show-hide-body>:last-child {
  margin-bottom: 0;
}
.btn-primary{background-color: var(--primary);border-radius: 30px;border-color:var(--primary)}
.btn-primary:hover{background-color: var(--primary);border-color:var(--primary)}

/* Breadcrumb */

.breadCrumbs .wrap-content {
  padding: 0.75rem 10px;
  max-width: 1200px;
}
.breadCrumbs .wrap-content .breadcrumb {
  padding: 0;
  margin-bottom: 0;
  background-color: transparent;
  border-radius: 0;
}
.breadCrumbs .wrap-content .breadcrumb-item a {
  color: var(--color-black);
}
.breadCrumbs .wrap-content .breadcrumb-item.active a {
  color: var(--color-gray);
}
.breadCrumbs-page{
    background: #e2e2e2;
    padding: 7px;
}
ol.breadcrumb{margin: 0;}
ol.breadcrumb li{}
ol.breadcrumb li a{}
ol.breadcrumb li a span{
    color: #23085a;
    font-size: 13px;
}


.spinner {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: radial-gradient(farthest-side,#23085a 94%,#0000) top/9px 9px no-repeat,
         conic-gradient(#0000 30%,#23085a);
  -webkit-mask: radial-gradient(farthest-side,#0000 calc(100% - 9px),#000 0);
  animation: spinner-c7wet2 1s infinite linear;
}

@keyframes spinner-c7wet2 {
  100% {
     transform: rotate(1turn);
  }
}

.list-nav-test-type{}
.list-nav-test-type a{text-decoration: none;}
.list-nav-test-type li.active a{color:#fff}

.list-group-item.active{    background-color: var(--primary);
  border-color: var(--primary);}
  .list-group-item a{color:var(--primary)}

  .list-course{}
  .list-course .title{
    font-weight: bold;
    font-size: 1.9rem;
    color: var(--primary);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 5px;
}
  .list-course .list-item{
    margin-bottom: 20px;
}
  .list-course .list-item a{
    /* border: 1px solid var(--primary); */
    /* padding: 4px 10px; */
    /* background: #f1f1f1; */
    /* display: inline-block; */
    /* border-radius: 5px; */
    /* text-decoration: none; */
    /* font-weight: 500; */
    /* margin-right: 10px; */
}
  .block-course{}
  .block-course .title-block{
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--primary);
    font-weight: 500;
}
  .item-course.inner{cursor: pointer;transition: 0.5s ease;border-radius: 4px;overflow: hidden;}
  .item-course.inner:hover{
    transform: translateY(-5px);
}
.title-main{font-size: 2rem;font-weight: 500;color: var(--primary);position: relative;padding-bottom: 5px;margin-bottom: 10px;}
.title-main h1{
    margin: 0;
}
.time-main{
    color: #6c6c6c;
    font-size: 0.9rem;
}
.time-main i{
    margin-right: 5px;
}


/* Toc */
.box-readmore {
  padding: 0 10px 5px 10px;
  border: 1px solid #dedede;
  margin-bottom: 2rem;
  border-radius: 5px;
  background-color: #eeeeee;
  margin: 10px 0;
}
.box-readmore li ul > li {
  margin: 0;
  margin-bottom: 8px;
}
.box-readmore li ul > li:before {
  content: counters(item, ".") " ";
  }
  .box-readmore ul {
    list-style-type: none;
    counter-reset: item;
    margin-bottom: 0px;
    padding-left: 0px !important;
    margin-top: 8px;
  }
  .box-readmore ul li {
    display: table;
    counter-increment: item;
    margin-bottom: 5px;
  }
  .box-readmore ul li:before {
    content: counters(item, ".") ". ";
      display: table-cell;
      padding-right: 5px;
    }
    .box-readmore ul li a {
      color: #333333;
      cursor: pointer;
      font-weight: 400;
      text-decoration: none;
    }
    .box-readmore ul li a:hover {
      color: #767676;
    }


/* Like Share */
.share b{
    font-weight: 500;
    margin-bottom: 5px;
    display: block;
    padding-left: 3px;
}
.share{
    padding: 5px;
    background: #cccccc6b;
    border-radius: 3px;
    margin: 10px 0;
}
.social-plugin {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 10px;
}
.social-plugin .at-share-btn {
  margin-bottom: 0px !important;
}
.social-plugin .zalo-share-button {
  margin-left: 3px;
}

.share-facebook{
  background: #4267B2;
  color: #fff !important;
  line-height: 20px;
  margin: 0 4px;
  padding: 0 6px;
  border-radius: 3px;
  font-size: 11px;
  text-decoration: none !important;
}
.share-twitter{
  background: #1DA1F2;
  color: #fff !important;
  font-size: 13px;
  line-height: 20px;
  margin: 0 4px;
  padding: 0 6px;
  border-radius: 3px;
  font-size: 11px;
  text-decoration: none !important;
}
.x-title{
    font-weight: bold;
    font-size: 1.7rem;
    color: var(--primary);
}
img{height: auto;}


@media(max-width:768px){
  .exam-option{grid-template-columns: repeat(3, 1fr) !important;}
  .box-more-cast .col div{
    font-size: 14px;
    padding: 1rem 0;
}
  .box-news-small{
  position: static;
  margin-bottom: 10px;
  }
}
.scrollToTop{position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 123;
  color: red;
  opacity: 0.5;
  transition: 0.5s ease;
  cursor: pointer;}
  .scrollToTop:hover{
    opacity: 1;
  }
  body.loading .lds-dual-ring span {
    display: inline-block;
   }
   body.loading .lds-dual-ring {
    position: fixed;
    top: 0;
    display: block;
    z-index: 1345;
    color: white;
    text-align: center;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    font-size: 18px;
   }
   body.loading{overflow:hidden}
   body.loading:after {
    content: "";
    width: 100%;
    height: 100%;
    position: fixed;
    background: rgb(0 0 0 / 76%);
    z-index: 1111;
    top: 0;
   }
   .lds-dual-ring {
    display: none;
    width: 80px;
    height: 80px;
   }
   .lds-dual-ring .inner:after {
    content: " ";
    display: block;
    width: 64px;
    height: 64px;
    margin: 8px;
    border-radius: 50%;
    border: 6px solid #fff;
    border-color: #fff transparent #fff transparent;
    animation: lds-dual-ring 1.2s linear infinite;
   }
   @keyframes lds-dual-ring {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
   }
   .accessibility-content .accessibility-item:last-child{
    margin-bottom: 0;
   }
   .accessibility-content{}
   .accessibility-content .accessibility-item{
    border: 1px dashed #ccc;
    padding: 10px 5px;
    border-radius: 10px;
  
    margin-bottom:10px;
    border-radius: 10px;
}

   .accessibility-content .accessibility-item .magnification-content button{
    border: 1px solid var(--primary);
    color: var(--primary);
}
[data-bs-theme="dark"] .accessibility-content .accessibility-item .magnification-content button{
  border: 1px solid #ccc;
  color: #ccc;
}
[data-bs-theme="dark"] .form-check-input:checked{
  background-color: #ccc;
  border-color: #ccc;
}
[data-bs-theme="dark"] .btn-outline-primary{
  border-color: #ccc;
  color: #ccc;
}
[data-bs-theme="dark"] .btn-outline-primary:hover{
  background-color: #ccc;
  border-color: #ccc;
}




.show_input{cursor: pointer;}
.custom-alert{
  user-select: none;
  border: 2px dashed var(--primary);
  padding: 10px;
}
.custom-alert div p:last-child{
  margin-bottom: 0;
}

.btn-frame { display: block; width: 50px; height: 50px; position: fixed; right: 20px; z-index: 10; cursor: pointer; }
.btn-frame i { width: 50px; height: 50px; border-radius: 50%; background: #1182fc; position: relative; z-index: 1; display: -webkit-box; display: -ms-flexbox; display: flex; -webkit-box-align: center; -ms-flex-align: center; align-items: center; -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center; }
.btn-frame i img { vertical-align: middle; width: 70%; }
.btn-frame .animated.infinite { -webkit-animation-iteration-count: infinite; animation-iteration-count: infinite; }
.btn-frame .kenit-alo-circle { width: 60px; height: 60px; top: -5px; right: -5px; position: absolute; background-color: transparent; border-radius: 100%; border: 2px solid rgba(7, 41, 103, 0.8); opacity: 0.1; border-color: #1182fc; opacity: 0.5; }
.btn-frame .zoomIn { -webkit-animation-name: zoomIn; animation-name: zoomIn; }
.btn-frame .animated { -webkit-animation-duration: 1s; animation-duration: 1s; -webkit-animation-fill-mode: both; animation-fill-mode: both; }
.btn-frame .kenit-alo-circle-fill { width: 70px; height: 70px; top: -10px; right: -10px; position: absolute; border-radius: 100%; border: 2px solid transparent; background-color: rgba(7, 41, 103, 0.35); opacity: 0.4; }
.btn-frame .pulse { -webkit-animation-name: pulse; animation-name: pulse; }
/* Zalo */
.btn-zalo { bottom: 315px; }
/* Phone */
.btn-phone { bottom: 230px; }
.btn-facebook{bottom: 145px;}

.btn_dangky{padding: 5px 25px;position: fixed;right: 10px;bottom: 385px;text-align:right}
.btn_dangky span{animation: flash 3s linear infinite;    font-size: 22px;
    max-width: 100px;
    font-weight: bold;
    color: #23085a;
    font-family: cursive;}
.btn_dangky img{animation: flash 3s linear infinite;}
.box_tailieu h3{text-align: center;color: var(--bc-sui-btn-default-color);font-weight: bold;font-size: 15px;margin: 0;}
.box_tailieu{padding:5px 10px;border-radius: 5px;transition: .3s;}
.box_tailieu:hover{box-shadow: 0px 1px 3px 1px #7a7a7a;transition: .3s;transform: translateY(-5px);}
.el-notification{z-index: 100010 !important}
.btn-custom.disabled{opacity: 0.5;cursor: not-allowed;pointer-events: none;}


.speak-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  margin-left: 8px;
  color: #007bff;
  border: 1px solid;
  border-radius: 3px;
  font-size: 15px;
}
.speak-btn:hover {
  color: #0056b3;
}


.hightline {
  --hightline-color: #ffe066;        /* màu chính (có thể override) */
  --hightline-duration: 1.2s;        /* tốc độ nhấp nháy (có thể override) */

  padding: 0.15em 0.4em;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--hightline-color), #dd5a13 60%);
  color: #111;
  font-weight: 600;
  animation: hightline-blink var(--hightline-duration) ease-in-out infinite;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
} 

/* Animation */
@keyframes hightline-blink {
  0%   { opacity: 1; }
  50%  { opacity: 0.35; }
  100% { opacity: 1; }
}