.title_wrap {
    position: relative;
    color: #1A1A1A;
    font-size: 1.875vw;
    font-weight: 500;
    padding-left: 1.7708vw;
    margin-left: 18.5938vw;
}

.title_wrap::after {
    content: '';
    position: absolute;
    width: .5208vw;
    height: 100%;
    background: #1890FF;
    top: 0;
    left: 0;
}

.header {
    background: rgba(255, 255, 255, 0.5) !important;
}

.header .header_nav li a.active {
    color: #001931;
}

.header .header_nav li a.active::after,
.header .title,
.header .btn {
    background: #001931;
}

.header .header_nav li a:not(.active) {
    background: linear-gradient(135deg, #001931, #001931) no-repeat right bottom;
    background-size: 0px .2083vw;
    transition: .5s;
}

.header .logo {
    filter: drop-shadow(0 0 .1604vw transparent);
}

.banner {
    width: 100%;
    position: relative;
    overflow: hidden;
    height: 50.25vw;
}

.banner video {
    position: absolute;
    width: 100%;
}

.banner .bg_box {
    position: absolute;
    margin-left: -4.2188vw;
}

.banner .bg_box .banner_bg {
    position: absolute;
    width: 120.7188vw;
    height: 49.2708vw;
}

.banner .container {
    position: absolute;
    padding-top: 11.5625vw;
    padding-left: 26.875vw;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
}

.banner .container .title {
    font-size: 3.3333vw;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 0;
}

.banner .container .desc {
    font-size: 1.875vw;
    color: #FFFFFF;
    line-height: 0;
    margin-top: 3.8333vw;
}

.aboutus {
    background: #F5FAFF;
    /* margin-top: 6.25vw; */
}

x .aboutus .aboutus_contain {
    flex: 1;
}

.aboutus .aboutus_contain .text {
    margin-left: 18.5938vw;
    color: #1A1A1A;
    font-size: 1.25vw;
    margin-right: 2.7604vw;
    line-height: 3.125vw !important;
}

.know {
    padding: .4604vw 2.7083vw;
    display: block;
    color: white;
    background: #0E8AFF;
    font-size: 1.25vw;
    margin-left: 18.5938vw;
    width: fit-content;
    margin-top: 3.2396vw;
    position: relative;
    overflow: hidden;
    background-image: linear-gradient(135deg, #1890FF 0%, #1890FF 100%);
    box-shadow: 0 2.2604vw 17.1875vw rgba(0, 0, 0, 0.15);

}

.know span {
    position: relative;
}

.know::before {
    --size: 0;
    content: "";
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: var(--size);
    height: var(--size);
    background: radial-gradient(circle closest-side, #ffffff75, transparent);
    transform: translate(-50%, -50%);
    transition: all 0.2s ease, left 0s, top 0s;
}

.know:hover::before {
    --size: 200px;
}

.aboutus .aboutus_bg {
    background: linear-gradient(135deg, #0E8AFF, #0E8AFF) no-repeat right bottom;
    width: 40.7292vw;
    height: 56.25vw;

    background-size: 38.3854vw 56.25vw;
}

.aboutus .aboutus_bg img {
    display: block;
    width: 40.7292vw;

}

.service {
    padding: 7.5521vw 0 13.1771vw;
}

.service .service_img {
    width: 62.7604vw;
    display: block;
    margin: 8.3333vw auto;
}

.swiper-container {
    width: 100%;
    position: absolute;
    top: 25.0313vw;
    left: -10%;
    overflow: 777 !important;
}

.swiper-container .swiper-slide {
    height: 30.4688vw !important;
    width: 54.2188vw !important;
}

.swiper-container .swiper-slide img {
    width: 80% !important;
}

.swiper-pagination {
    left: 10% !important;
}

.swiper-pagination .swiper-pagination-bullet {
    width: 3.125vw;
    height: .5208vw;
    background: #D8D8D8;
    border-radius: 0 !important;
}

.swiper-pagination .swiper-pagination-bullet-active {
    background: #1890FF;
}

.swiper-slide-prev,
.swiper-slide-next {
    opacity: 0.5;
}