/* 首页banner */
.index_banner{
    height: 100vh;
    margin: 0 auto;
}
.index_banner::before{
    content: "";
    position: absolute;
    width: 100%;
    height: 4.13rem;
    background: linear-gradient(0deg, rgba(84, 84, 84, 0) 0%, rgba(0, 0, 0) 100%);
    z-index: 2;
    opacity: 0.6;
}
.index_ban{
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}
.index_ban video{
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    object-fit: cover;
}
.index_ban .banner_img{
    width: 100%;
    height: 100%;
    overflow: hidden;
}



.banner_Swiper .swiper-pagination{
    bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
}
.banner_Swiper .swiper-pagination-bullet{
    position: relative;
    width: 1rem;
    height: 0.02rem;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 0.2rem;
    margin: 0;
    overflow: hidden;
    flex-shrink: 0;
    opacity: 1;
}
.banner_Swiper .swiper-pagination-bullet .progress{
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: #FFFFFF;
    border-radius: 0.2rem;
    transition: none;
}










/* 内页banner容器 */
.banner_swiper{
    width: 100%;
    height: 100vh;
    max-height: 10.8rem;
    position: relative;
    overflow: hidden;
}
.banner_swiper .swiper{
    width: 100%;
    height: 100%;
}
.banner_swiper .swiper-slide{
    width: 100%;
    height: 100%;
}

/* 内页banner */
.banner{
    height: 100vh;
    max-height: 10.8rem;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
}
/*.banner::before{*/
/*    content: "";*/
/*    position: absolute;*/
/*    width: 100%;*/
/*    height: 100%;*/
/*    top: 0;*/
/*    left: 0;*/
/*    background: linear-gradient( 180deg, #000000 0%, rgba(84,84,84,0) 100%);*/
/*    opacity: 0.6;*/
/*}*/
.banner .banner_img{
    width: 3.97rem;
    height: 1.55rem;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}
.banner .banner_class{
    width: 100%;
    text-align: center;
    font-weight: 400;
    font-size: 0.55rem;
    color: #FFFFFF;
    position: relative;
    z-index: 2;
    letter-spacing: 0.05rem;
}
.banner .banner_cont{
    width: 100%;
    text-align: center;
    font-weight: 400;
    font-size: 0.25rem;
    color: #FFFFFF;
    margin-top: 0.07rem;
    position: relative;
    z-index: 2;
    letter-spacing: 0.03rem;
}
.banner .banner_more{
    border: 0.01rem solid #FFFFFF;
    color: #fff;
    margin: 0.4rem auto 0;
    position: relative;
    z-index: 2;
}
.banner .banner_more a{
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    column-gap: 0.11rem;
    width: 100%;
    height: 100%;
}
.banner .banner_more img{
    filter: brightness(0) invert(1);
}
.banner .banner_more:hover{
	background: #2E54A1;
	border: 0.01rem solid #2E54A1;
}
.banner .banner_more:hover a{
    color: #fff;
}






/* 二级栏目 */
.nav_class{
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 1.8rem;
    height: 0.8rem;
    border-bottom: 0.01rem solid #E6E6E6;
}
.nav_class a{
    width: auto;
    height: auto;
    font-weight: 400;
    font-size: 0.2rem;
    color: #000000;
    position: relative;
}
.nav_class a::before{
    content: "";
    position: absolute;
    width: 0.01rem;
    height: 0.15rem;
    background: #C7C7C7;
    left: -0.9rem;
    top: 50%;
    transform: translateY(-50%);
}
.nav_class a::after{
    content: "";
    position: absolute;
    width: 0;
    height: 0.02rem;
    background: #2E54A1;
    bottom: -0.27rem;
    left: 50%;
    transform: translateX(-50%);
    transition: all 0.5s;
}
.nav_class .act::after,
.nav_class a:hover::after{
    width: 100%;
}
.nav_class a:first-child::before{
    display: none;
}