.b_a {
    width: 100%;
    height: 27rem;
    overflow: hidden;
}

.bg {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}

.b_a .txt {
    position: absolute;
    top: 25.3%;
    left: 10.4%;
}

.b_a .txt .t1 {
    line-height: 1.1;
}

.b_a .txt .t2 {
    margin-top: 1.25rem;
    line-height: 1.4;
    text-transform: capitalize;
}

.b_a .txt .t3 {
    width: 15.25rem;
    margin-top: 1.25rem;
    line-height: 1.4;
}

.wr {
    width: 100%;
    position: relative;
}

.b_b {
    background-color: #000;
    padding-top: 3.925rem;
    position: relative;
    z-index:3;
    margin-top:-2px;
}

.b-b-a {
    width: 100%;



}

.b-b-a .bb-container {
    padding-left: 4.5rem;
    overflow: hidden;
    width: 60%;
}

.b-b-a .bb-container .swiper-slide {
    width: 100%;
    height: 15.125rem;
    overflow: hidden;
}

.b-b-a .txt {
    position: absolute;
    top: 0;
    width: 34%;

    right: 0;
    padding-top: 1rem;

}

.b-b-a .txt .item {
    padding-right: 3.5rem;
}

.b-b-a .txt .t1 {
    line-height: 1.1;
}

.b-b-a .txt .t2 {
    margin-top: 2.275rem;
    line-height: 1.5;
    text-transform: capitalize;
}

.b-b-a .txt .t3 {
    margin-top: 0.75rem;
    line-height: 1.4;
}

.b-b-a .txt .item {
    position: absolute;
    top: 0;
    left: 0;
    display: none;
}

.b-b-a .next {
    position: absolute;
    top: 50%;
    width: 2rem;
    height: 2rem;
    left: .5rem;
    z-index: 3;
    margin-top: -1rem;
    border-radius: 50%;
    border: 2px solid #fff;
    cursor: pointer;
    opacity:0;
    visibility:hidden;
    transition: all .5s;
}

.b-b-a .next svg {
    fill: #fff;
    transform:rotate(-180deg);
    transform-origin:25% 25%;
}

.b-b-a .prev {
    position: absolute;
    top: 50%;
    width: 2rem;
    height: 2rem;
    right: .5rem;
    z-index: 3;
    margin-top: -1rem;
    border-radius: 50%;
    border: 2px solid #fff;
    cursor: pointer;
    opacity:0;
    visibility:hidden;
    transition: all .5s;

}
.b-b-a:hover .next{
    opacity:1;
    visibility:visible;
}
.b-b-a:hover .prev{
    opacity:1;
    visibility:visible;
}

.b-b-a .prev svg {
    fill: #fff;
}

.b-b-b {
    background-color: #000;
    padding: 5.5rem 4.65rem;
    /*padding-top: 9.5rem;*/
}

.b-b-b .txt {
    width: 41%;
    padding-right: 2.25rem;
    float: left;
}

.b-b-b .txt .t1 {
    line-height: 1;
}

.b-b-b .txt .t2 {
    margin-top: 1.5rem;
}

.b-b-b .img {
    float: right;
    width: 59%;

}

.b-c {}

.b-c-a {
    height: 18.825rem;
    overflow: hidden;
    background-color: #000;
}

.b-c-a .txt {
    position: absolute;
    top: 23%;
    width: 100%;
    text-align: center;
}

.b-c-a .txt .t1 {
    line-height: 1;
}

.b-c-a .txt .t2 {
    width: 52%;
    margin: 0 auto;
    margin-top: 1.2rem;
}

.b-c-b {
    background-color: #000;
    padding: 3.5rem 4.625rem 4.625rem;
    margin-top: -2px;
    position: relative;
    z-index:4;
}

.b-c-b .txt {
    width: 46%;
    padding-right: 2.25rem;
    float: left;
    padding-top: 2.7rem;
}

.b-c-b .txt .t1 {
    line-height: 1;
}

.b-c-b .txt .t2 {
    margin-top: 1.5rem;
    width: 100%;
    /*text-align: justify;*/
}

.b-c-b .img {
    float: right;
    width: 47%;

}
/*@media (max-width: 1500px){
    .b-c-b .txt{
        padding-right:1.5rem;
        padding-top:0;
    }
}*/
@media (max-width: 1024px){
    .b-b-a .prev, .b-b-a .next{
        display: none;
    }

}
@media (max-width:768px) {
    .b_a .txt{
        top: 20%;
        left: 6%;
    }
    .b-b-b{
        padding: 2.5rem 6% ;
    }
    .b-c-a .txt .t2{
        width:80%;
    }
    .b-c-b{
        padding: 2.5rem 6% ;
    }
   /*.b-c-b .txt{
    padding-right:0 !important;
   }
   .b-c-b .txt{
    width:100%;
   }
   .b-c-b .img{
    width:100%;
   }*/
}

@media (max-width: 767px) {
    .b_a{
        min-height: 21rem;
    }
    .b_a .txt {
        width: 88%;
        left: 6%;
    }
    .b_a .txt .t2{
        margin-top: 1rem;
        line-height: 1.5;
    }
    .b_a .txt .t3{
        width: 100%;
    }
    .b-b-a .bb-container{
        width: 100%;
    }
    .b-b-a .bb-container .swiper-slide{
        height: 7.5rem;
    }
    .b-b-a .next{
        width: 1.5rem;
        height: 1.5rem;
        margin-top: -.75rem;
        left: auto;
        right: 1rem;
    }
    .b-b-a .next svg {
        width: 14px;
    }
    .b-b-b{
        padding: 1.5rem 6%;
    }
    .b-b-a .txt{
        position: relative;
        width: 100%;
        padding: 1.5rem  6%;
 
    }
    .b-b-a .txt .item{
        position: relative;
        left: 0;
        top: 0;
        padding-right: 0;
    }
    .b-b-a .txt .t2{
        margin-top: 1.2rem;
    }
    .b_b{
        padding-top: 1.5rem;
    }
    .b-b-b .txt{
        width: 100%;
        padding-right: 0;
    }
    .b-b-b .img{
        width: 100%;
        margin-bottom: 1.5rem;
    }
    .b-c-a .txt .t2 {
        width: 88%;
    }
    .b-c-b .txt{
        width: 100%;
        padding-right: 0;
    }
    .b-c-b{
        padding: 1.5rem 6%; 
    }
    .b-c-b .txt .t2{
        width: 100%;
    }
    .b-c-b .img{
        width: 100%;
        margin-top: 1.5rem;
    }

    .b_a .bg{
        background-position: left center;
    }
}