.owl-dots {
  text-align: center;
  margin-top: 20px;
}

.owl-dot {
  display: inline-block;
  width: 20px;
  height: 20px;
  margin: 0 5px;
  background-color: transparent; /* Không có nền mặc định */
  border: 1px solid rgba(255, 255, 255, 0.7); /* Viền trắng */
  border-radius: 50%; /* Hình tròn */
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}
.owl-dot.active{
     background: #ffffff4d;
}
.owl-dot span {
  display: block;
  width: 8px; /* Kích thước chấm bên trong */
  height: 8px;
   background-color: rgba(255, 255, 255, 1); /* Chấm bên trong active */
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}

.section_slider{
    height:100vh;
    position:relative;
}
.section_slider .section_slider__item{
    height:100vh;
    background-size:cover;
    background-position:top center;
    background-repeat:no-repeat;
    position:relative;
}
.section_slider .section_slider__item.section_slider__item-1:after{
        content: "";
    height: 50vh;
    position: absolute;
    bottom: 0;
    width: 100%;
    background: linear-gradient(to top, #890011 0%, rgba(40, 63, 121, 0) 100%);
} 
.section_slider__item-content{
    position:absolute;
    z-index:1;
    width:100%;
    bottom:2rem;
}
.section_slider__item-content p{
    margin:0;
    color:#fff;
    clear:left;
}
.section_slider__item-content .section_slider__item-top p{
    font-size:28px;
    line-height:34px;
}
.section_slider .section_slider__item-3 .section_slider__item-top{
    text-align:right;
}
.section_slider__item-1 .section_slider__item-content{
    bottom:4rem;
}
.section_slider__item-content h2{
    font-size:85px;
    line-height:91px;
    font-weight:bold;
    color:#fff;
    margin:0;
    margin-bottom:1rem;
}

.section_slider__item-bottom{
    padding-top:2rem;
    margin-top:6rem;
    border-top:1px solid #fff;
}
.section_slider__item-top{
    width:95%;
}
.section_slider__item-1 .section_slider__item-content h2{
    font-size:110px;
    line-height:116px;
    font-weight:500;
        text-shadow: 0 0 40px rgba(0, 0, 0, .6);
}
.section_slider__item-content h2{
    float:left;
    width:100%;
}
.section_slider__item-1 .section_slider__item-content h2 span{
    color: var(--mainColor);
    font-weight: bold;
        text-shadow: 0 0 40px rgba(0, 0, 0, .6);
}
.section_slider__item-4 .section_slider__item-content h2 span:last-child{
    float:right;
}
.section_slider__item-1 .section_slider__item-content p{
    font-size:18px;
    line-height:24px;
}
.section_slider__item-list{
    display:flex;
}
.section_slider__item-list li:not(:last-child){
    margin-right:1.5rem;
}
.section_slider__item-list li{
    display:flex;
}
.section_slider__item-list li>span{
    display: inline-block;
    width: 45px;
    height: 45px;
    font-size: 20px;
    border-radius: 50%;
    border: 1px solid #fff;
    text-align: center;
    line-height: 40px;
    margin-right: 1.5rem;
}
.section_slider__item-list li span{
    color:#fff;
}
.section_slider__item-list li > div span{
    color:#c5f6f0;
    font-weight:bold;
}
.section_slider__item-list li p{
    color:#bbbcbe;
}
.section_slider__item-list li > div{
    width:calc(100% - 50px - 1.5rem);
}

.section_slider__item-btn .btn{
    background: linear-gradient(to bottom, #ffffff 0%, rgba(255, 255, 255, 0) 100%);
    border-bottom: none;
    color: #fff;
    text-transform: uppercase;
    min-width: 200px;
    font-weight: 500;
}
.section_slider__owldots{
        position: absolute;
    bottom: 160px;
    width: 100%;
    z-index: 1;
    text-align:right;
}
@media (min-width:992px) and (max-width:1199px){
    .section_slider__item-1 .section_slider__item-content h2{
            font-size: 85px;
    line-height: 91px;
    }
    .section_slider__item-top{
        width:85%;
    }
}
@media (min-width:992px) and (max-width:1499px){
    .section_slider__item-top{
            width: 90%;
    }
     .section_slider__item-content .section_slider__item-top p{
        font-size:16px;
        line-height:22px;
    }
}
@media (max-width:1600px){
    .section_slider__item-bottom{
        margin-top:3.5rem;
    }
    .section_slider__item-content .section_slider__item-top p{
        font-size:20px;
        line-height:26px;
    }
}
@media (max-width:1500px){
    .section_slider__item-content h2 {
        font-size: 72px;
        line-height: 76px;
    }
    .section_slider__item-4 .section_slider__item-top {
        width: 70%;
        margin: 0 auto;
    }
}
@media (max-width:991px){
    .section_slider__item-top{
        width:100%;
    }
    .section_slider__item:not(.section_slider__item-1) .section_slider__item-content{
            bottom: 0;
        top: 50%;
        transform: translateY(-50%);
        display: flex;
        align-items: center;
    }
        
    .section_slider__item-bottom{
        margin-top:2rem;
        border-top:none;
        padding-top:0;
    }
    .section_slider__item-content h2 {
        font-size: 72px;
        line-height: 78px;
    }
    .section_slider__item-1 .section_slider__item-content h2{
        font-size: 85px;
    line-height: 91px;
    }
    .section_slider__owldots{
        bottom:1rem;
        text-align:center;
    }
    .section_slider__item-content .section_slider__item-top p{
        font-size:16px;
        line-height:22px;
    }
}
@media (max-width:767px){
        .section_slider__item-content h2 {
        font-size: 48px;
        line-height: 54px;
    }
    .section_slider__item-1 .section_slider__item-content h2 {
        font-size: 64px;
        line-height: 70px;
    }
}
@media (max-width:575px){
    .section_slider__item-content h2 {
        font-size: 32px;
        line-height: 38px;
    }
    .section_slider__item-content .section_slider__item-top p{
        font-size:14px;
        line-height:20px;
    }
    .section_slider__item-1 .section_slider__item-content h2{
         font-size: 36px;
        line-height: 42px;
    }
}