    .section4 {
        width: 100%;
        overflow: hidden;
        position: relative;
        padding: 90px 0;
    }

    .section4::after {
        content: "";

        display: block;
        width: var(--container);
        height: 100%;
        position: absolute;
        z-index: 2;
        left: 0;
        top: 0;
        background: #fff;
    }

    .Box4 {
        width: 100%;
        position: relative;
        z-index: 1;
        display: flex;
    }

    .lt4 {
        position: relative;
        z-index: 2;
        background: #fff;
        width: 36%;
    }

    .lt4 .indexTitle * {
        width: 100%;
        text-align: left;
    }

    .lt4_Swiper {
        margin-top: 45px;
        margin-bottom: 45px;
    }

    .lt4_Swiper .slide {
        font-size: 14px;
        line-height: 2;
        text-align: justify;
        color: #898989;
    }


    .shizi4 {
        display: flex;
        flex-wrap: wrap;
    }

    .item4 {
        width: 50%;
        display: flex;
        align-items: center;
        grid-gap: 30px;
        padding: 30px 0;
        border-bottom: 1px solid #EBEBEB;
        position: relative;
    }

    .item4::after {
        content: "";
        display: block;
        width: 1px;
        height: calc(100% - 20px);
        background: #EBEBEB;
        position: absolute;
        right: 0;
        top: 10px;
    }

    .item4:nth-child(2)::after,
    .item4:nth-child(4)::after {
        display: none;
    }

    .item4:nth-child(2),
    .item4:nth-child(4) {
        padding-left: 60px;
    }

    .item4 img {
        width: 46px;
    }

    .item4 h2 {
        font-size: 14px;
        color: #898989;
    }

    .item4 h1 {
        font-size: 48px;
        color: var(--color);
    }

    .mid4 {
        position: relative;
        z-index: 2;
        background: #fff;
        width: 17%;
        padding-left: 100px;
        padding-right: 30px;
    }

    .icon4_Swiper {
        height: 100%;
    }

    .icon4_Swiper::after {
        content: "";
        display: block;
        width: 1px;
        height: 100%;
        border-left: 1px dashed #003686;
        position: absolute;
        z-index: -1;
        top: 0;
        left: 36%;
    }

    .icon4_Swiper .swiper-wrapper {
        height: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .icon4_Swiper .slide {
        flex-shrink: unset;
        display: flex;
        align-items: center;
        justify-content: center;

    }

    .icon4 {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #fff;
        border: 1px dashed #fff;
        position: relative;
        transition: 0.5s;

    }

    .icon4_Swiper .slide.swiper-slide-thumb-active .icon4 {
        border: 1px dashed var(--color);
    }

    .icon4_Swiper .slide.swiper-slide-thumb-active .icon4::after {
        content: "";
        display: block;
        width: 40px;
        height: 40px;
        background: var(--color);
        border-radius: 50%;
        position: absolute;
        z-index: 1;
        inset: 4px;
        transition: 0.5s;
    }

    .icon4 img {
        position: relative;
        z-index: 2;
        width: 22px;
        opacity: 0.5;
        transition: 0.5s;
    }

    .icon4_Swiper .slide.swiper-slide-thumb-active img {
        opacity: 1;
        filter: brightness(0)invert(1);
    }

    .text4 {
        font-size: 14px;
        color: #333333;
        opacity: 0.5;
        position: relative;
        transition: 0.5s;
        left: 0;
    }

    .icon4_Swiper .slide.swiper-slide-thumb-active .text4 {
        position: relative;
        left: 10px;
        opacity: 1;
    }

    .rt4 {
        position: relative;
        z-index: 1;
        width: 47%;
        display: flex;
        align-items: center;
    }

    .img4_Swiper {
        width: 100%;
        overflow: visible;
    }

    .img4_Swiper .slide {
        transform: scale(0.9);
    }

    .img4_Swiper .slide.swiper-slide-active {
        transform: scale(1);
    }

    .img4_Swiper img {
        width: 100%;
        border-radius: 10px;
    }

    @media (max-width: 1500px) {
        .item4 {
            padding: 15px 0;
        }

        .item4 h1 {
            font-size: 38px;
        }

        .item4:nth-child(2),
        .item4:nth-child(4) {
            padding-left: 15px;
        }

        .mid4 {
            position: relative;
            z-index: 2;
            background: #fff;
            width: 17%;
            padding-left: 45px;
            padding-right: 30px;
        }
    }

    @media (max-width: 1200px) {
        .Box4 {
            display: flex;
            flex-wrap: wrap;
            overflow: hidden;
        }

        .lt4 {
            width: 100%;
        }

        .lt4_Swiper {
            margin: 15px 0;
        }

        .mid4 {
            width: 100%;
            padding: 45px 0;
        }

        .icon4_Swiper {
            overflow: visible;
        }

        .icon4_Swiper .swiper-wrapper {
            display: flex;
            flex-direction: row;
        }

        .icon4_Swiper::after {
            width: 100%;
            height: 1px;
            border-top: 1px dashed #003686;
            top: 25px;
            left: 0%;
        }

        .icon4_Swiper .slide {
            display: flex;
            flex-direction: column;
        }

        .text4 {
            top: 0;
        }

        .icon4_Swiper .slide.swiper-slide-thumb-active .text4 {
            left: 0;
            top: 10px;
        }

        .rt4 {
            width: 50%;
            left: 25%;
        }
    }

    @media (max-width: 720px) {
        .section4 {
            padding: 60px 0;
        }

        .item4 {
            grid-gap: 15px;
        }

        .item4 img {
            width: 30px;
        }

        .item4 h1 {
            font-size: 28px;
        }

        .item4:nth-child(2),
        .item4:nth-child(4) {
            padding-left: 10px;
        }

        .mid4 {
            padding-top: 15px;
        }

        .rt4 {
            width: 70%;
            left: 15%;
        }
    }

    @media (max-width: 460px) {}

    @media (max-width: 380px) {}