.index1{
    background-size: 100% 100%;
    background-repeat: no-repeat;
}
.index1_l{
    display: flex;
    flex-direction: column;
}
.index1_l_pts{
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}
.index1_l_pt{
    border-radius: 50px;
    max-width: 340px;
    background: #fff;
    padding: 14px 20px;
    margin-top: 10px;
    width: 100%;
}
.index1_l_pt.act{
    background: var(--c1);
}
.index1_l_pt>a{
    padding: 12px;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.index1_r{
    padding-left: 55px;
    padding-right: 55px;
}
.index1_r_sw{
    opacity: 0;
    background: #fff;
    position: absolute;
    width: calc(100% - 110px);
    left: 55px;
    z-index: 1;
    top: 40px;
}
.index1_r_sw:nth-child(1){
    position: relative;
    left: 0;
    top: 0;
    width: 100%;
}
.index1_r_sw.act{
    opacity: 1;
    z-index: 2;
}
.index1_r_sw .swiper-pagination-progressbar{
    position: relative;
}
.index1_r_protitle{
    padding-left: 22px;
    border-left: 8px solid var(--c1);
}
.index1_r_on>a{
    height: 54px;
    border-radius: 27px;
    padding: 0 30px;
    display: flex;
    align-items: center;
    border: 1px solid #000;
    transition: .3s;
}
.index1_r_on>a:hover{
    background: var(--c1);
    border-color: var(--c1);
}
.index1_r_sw .swiper-slide{
    position: relative;
    padding: 10px;
    height: auto;
    width: calc(33.3% - 20px);
}
.index1_r_sw .swiper-slide>div,.index1_r_sw .swiper-slide>h2{
    position: relative;
    z-index: 3;
}
.index1_r_sw .swiper-slide:before{
    content: '';
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: #f4f4f4;
    border-radius: 10px;
    z-index: 2;
    transition: .3s;
}
.index1_r_sw .swiper-slide:after{
    position: absolute;
    content: '';
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-image: url(img/ico4.png);
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-position: top left;
    z-index: 1;
}
.index1_r_sw .swiper-slide:hover:before{
    left: 50%;
    top: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
}
.index1_r_sw .swiper-pagination-progressbar .swiper-pagination-progressbar-fill{
    background: var(--c1);
}
.index2{
    background-size: cover;
    background-attachment: fixed;
    background-position: center top;
}
.index2_on>a{
    height: 52px;
    padding: 0 50px;
    border-radius: 26px;
    background: var(--c1);
    transition: .3s;
    display: flex;
    align-items: center;
}
.index2_on>a:hover{
    background: #fff;
}
.index2_b2{
    border-bottom: 1px solid #ffffff22;
}
.index3{
    width: 100%;
    overflow: hidden;
    background-size: 100% 100%;
}
.index3_sw{
    width: 70%;
    margin: 0 auto;
}
.index3_sw img{
    border-radius: 20px;
}
.index3_sw_title{
    position: absolute;
    z-index: 1;
    left: 20px;
    bottom: 20px;
}
.index3_sw_left,.index3_sw_right{
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--c1);
    position: absolute;
    z-index: 2;
    top: calc(50% - 20px);
    cursor: pointer;
}
.index3_sw_left{
    left: 5px;
}
.index3_sw_right{
    right: 5px;
}
.index3_sw_left:before{
    width: 6px;
    height: 6px;
    border-left: 1px solid #000;
    content: '';
    display: block;
    border-bottom: 1px solid #000;
    transform: rotate(45deg);
    position: absolute;
    left: 18px;
    top: 17px;
}
.index3_sw_right:before{
    width: 6px;
    height: 6px;
    border-right: 1px solid #000;
    content: '';
    display: block;
    border-top: 1px solid #000;
    transform: rotate(45deg);
    position: absolute;
    left: 14px;
    top: 17px;
}
.index4{
    background-size: cover;
    background-position: center;
}
.cbanner_b_nav{
    height: 50px;
}
@media(max-width:990px){
    .index_banner{
        padding-top: 60px;
    }
    .index1_r_sw .swiper-slide{
        position: relative;
        padding: 10px;
        height: auto;
        width: calc(50% - 20px);
    }
    .index1{
        background: none !important;
    }
    .index1_l{
        align-items: center;
    }
    .index1_l_pts{
        width: 100%;
    }
    .index1_l_pt{
        max-width: none;
    }
    .index1_r{
        padding-left: 0;
        padding-right: 0;
    }
    .index1_r_on>a,.index2_on>a{
        height: 36px;
        padding: 0 10px;
    }
    .index2{
        background-attachment: scroll;
    }
    .index3_sw{
        width: 100%;
    }
    .index3_sw_title{
        left: 10px;
        bottom: 10px;
    }
    
}