/* Box1 */
    .section1 {
        padding: 0 !important;
    }

    .Box1 {
        height: 100%;
        padding-top: 100px;
        display: flex;
    }

    .item1 {
        overflow: hidden;
        position: relative;
        flex: 1;
        transition: 1s;
    }

    .item1.on {
        flex: 0 1 70%;
    }


    .item1 .bj {
        position: relative;
        z-index: -1;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .text1 {
        padding: 0 15px;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        transition: 0.5s;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .item1.on .text1 {
        padding: 0 var(--w1600);
        align-items: flex-start;
    }

    .text1 h1 {
        font-weight: 700;
        font-size: 40px;
        color: #FFFFFF;
        transition: 0.5s;
    }

    .item1.on h1 {
        font-size: 70px;
        color: #FFFFFF;
    }

    .text1 h2 {
        font-weight: 500;
        font-size: 18px;
        color: #ffffffcc;
        text-align: center;
    }

    .item1.on h2 {
        text-align: left;
    }

    .text1 a {
        margin-top: 75px;
        width: 210px;
        height: 60px;
        background: #02569D;
        box-shadow: 0px 0px 20px #FFFFFF;
        border-radius: 78px;
        font-size: 18px;
        color: #FFFFFF;
        display: flex;
        justify-content: center;
        align-items: center;
        display: none;
    }

    .item1.on a {
        display: flex;
    }

    .anniu1 {
        position: absolute;
        bottom: 20vh;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        transition: 0.5s;
    }

    .anniu1 img {
        width: 100%;
    }

    .anniu1::after {
        content: "";
        display: block;
        width: 2px;
        height: 500px;
        background: #fff;
        opacity: 0.33;
        position: absolute;
        top: 100%;
        left: calc(50% - 1px);
    }

    .item1.on .anniu1 {
        bottom: -10vh;
    }

    @media (max-width: 1600px) {
        .text1 h1 {
            font-size: 32px;
        }
    }

    @media (max-width: 1440px) {
        .text1 h1 {
            font-size: 24px;
        }

        .item1.on h1 {
            font-size: 48px;
        }

        .text1 h2 {
            font-size: 14px;
        }

        .text1 a {
            width: 160px;
            height: 45px;
        }
    }

    @media (max-width: 1200px) {
        .Box1 {
            margin-top: 60px;
            padding: 0;
        }

        .item1.on {
            flex: 0 1 60%;
        }

        .item1.on h1 {
            font-size: 32px;
        }

        .text1 {
            padding: 0 5px;
        }

        .text1 a {
            margin-top: 30px;
        }

        .anniu1 {
            width: 45px;
            bottom: 60px;
        }

        .item1 .bj {
            width: 100%;
            height: 50vw;
        }
    }

    @media (max-width: 720px) {
        .Box1 {
            display: flex;
            flex-wrap: wrap;
        }

        .item1 {
            width: 100%;
            flex: unset !important;
        }

        .item1 .bj {
            height: 120px;
            transition: 0.5s;
        }

        .item1.on .bj {
            height: 60vw;
        }

        .text1 {
            padding: 0 var(--w1600);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .anniu1 {
            width: 45px;
            bottom: calc(50% - 22.5px);
            left: auto;
            right: var(--w1600);
        }

        .item1.on .anniu1 {
            bottom: calc(50% - 22.5px);
            right: -100px;
        }

        .anniu1 img {
            transform: rotate(-90deg);
        }

        .anniu1::after {
            width: 500px;
            height: 2px;
            top: calc(50% - 1px);
            left: 100%;
        }

        .text1 h1 {
            font-size: 18px;
        }

        .item1.on h1 {
            font-size: 24px;
        }

        .text1 h2 {
            text-align: left;
        }

        .text1 a {
            width: 120px;
            height: 35px;
            font-size: 14px;
        }

    }

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