/* Section4 */
    .section4 {
        position: relative;
        background: #F7F7F7;
    }

    .Box4 {
        display: block;
        position: relative;
        width: 100%;
        z-index: 2;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }

    .Box4 .indexTitle {
        width: 50%;
        padding: 0;
    }

    .Box4 .indexTitle a {
        position: unset;
        margin-top: 60px;
    }

    .Number4 {
        width: calc(50% - 90px);
        display: flex;
        justify-content: space-around;
    }

    .item4 {
        display: flex;
        flex-direction: column;
        align-items: center;
        grid-gap: 15px;
    }

    .item4 h1 {
        display: flex;
        position: relative;
    }

    .item4 h1 b {
        color: var(--color);
        font-family: MiSans2;
        font-weight: 500;
        font-size: 50px;
        line-height: 1;
    }

    .item4 h1 p {
        color: rgba(0, 0, 0, 0.80);
        font-size: 16px;
        position: absolute;
        left: calc(100% + 10px);
        white-space: nowrap;
    }

    .item4 h2 {
        color: rgba(0, 0, 0, 0.80);
        font-size: 16px;
    }

    .img4 {
        display: block;
        position: relative;
        width: 100%;
        z-index: 2;
    }

    .bj4 {
        position: relative;
        width: 100%;

    }

    .dian4 {
        position: absolute;
        z-index: 3;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--color);
        transform: translate(-50%, -50%);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .dian4::after {
        content: "";
        display: block;
        width: 200%;
        height: 200%;
        background: var(--color);
        border-radius: 50%;
        opacity: 0.5;
        position: absolute;
        z-index: 2;
        animation: slideShow 2s linear infinite;
    }

    .dian4::before {
        content: "";
        display: block;
        width: 400%;
        height: 400%;
        background: var(--color);
        border-radius: 50%;
        opacity: 0.1;
        position: absolute;
        z-index: 1;
        animation: slideShow 2s linear infinite;
    }

    .dian4 p {
        position: absolute;
        width: max-content;
        bottom: 30px;
    }



    .dian4:first-child p img {
        position: absolute;
        bottom: auto;
        left: 30px;
        width: 180px;
        transform: translateY(50%);
    }

    @media (max-width: 1440px) {
        .Number4 {
            width: calc(50% - 30px);
        }
    }

    @media (max-width: 1200px) {
        .Box4 {
            grid-gap: 30px;
        }

        .Box4 .indexTitle {
            width: 100%;
        }

        .Number4 {
            width: 100%;
            margin-bottom: 30px;
        }

        .Box4 .indexTitle a {
            margin-top: 0;
        }
    }

    @media (max-width: 900px) {
        .item4 h1 b {
            font-size: 30px;
        }

        .item4 h2,
        .item4 h1 p {
            font-size: 12px;
            text-align: center;
        }

        .dian4 p {
            display: none;
        }

        .dian4:hover p {
            display: block;
        }
    }

    @media (max-width: 600px) {
        .Number4 {
            grid-gap: 15px;
        }

        .item4 h1 b {
            font-size: 24px;
        }

        .dian4 {
            transform: scale(0.75);
        }

        .dian4 p {
            bottom: 0px;
        }
    }

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

    @keyframes slideShow {
        0% {
            transform: scale(0);
        }

        50% {
            transform: scale(1);
        }

        100% {
            transform: scale(0);
        }
    }