@media screen and (min-width: 501px) {
    .banner {
        width: 100%;
        height: 800px;
        background: url(../../img/call/background.png) no-repeat top;
        background-size: cover;
    }

    .banner .body {
        width: 80%;
        height: 55%;
        max-width: 75rem;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .banner .body .title {
        font-size: 50px;
        font-weight: bold;
        color: #333333;
    }

    .banner .body .title .description {
        display: flex;
        align-items: center;
    }

    .banner .body .title .description img {
        height: 60px;
        width: auto;
    }

    .banner .body .image {
        height: 350px;
        width: auto;
    }

    .banner .body-bottom {
        width: 80%;
        height: 40%;
        max-width: 75rem;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .banner .body-bottom .introduction {
        width: 45%;
        border: 3px solid #FFFFFF;
        padding: 26px;
        border-radius: 6px;
    }

    .banner .body-bottom .introduction .title {
        display: flex;
        align-items: center;
    }

    .banner .body-bottom .introduction .title img {
        height: 34px;
        width: auto;
        margin-right: 7px;
        display: inline-block;
        transition: opacity 0.3s;
    }

    .banner .body-bottom .introduction .title span {
        font-size: 24px;
        color: #2C2B2B;
    }

    .banner .body-bottom .introduction .divider {
        width: 70%;
        height: 2px;
        background: #FFFFFF;
        margin-top: 15px;
        margin-bottom: 21px;
    }

    .banner .body-bottom .introduction .sub {
        font-size: 16px;
        color: #5F6E8E;
        margin-bottom: 12px;
        margin-left: 40px;
    }

    .banner .body-bottom .introduction:hover {
        width: 45%;
        border: 3px solid #FFFFFF;
        padding: 26px;
        border-radius: 6px;
        background: linear-gradient(to right, #2F64FF, #71A9FF);
    }

    /* 当容器悬停时，改变内部文字颜色 */
    .banner .body-bottom .introduction:hover .title span,
    .banner .body-bottom .introduction:hover .sub {
        color: #FFFFFF;
    }

    .banner .body-bottom .introduction:hover img[src*="call.png"] {
        content: url(../../img/call/call-white.png);
    }

    .banner .body-bottom .introduction:hover img[src*="log.png"] {
        content: url(../../img/call/log-white.png);
    }


    .content_1 {
        width: 100%;
        padding-top: 66px;
        padding-bottom: 40px;
    }

    .content_1 .title {
        text-align: center;
        font-size: 30px;
        color: #343437;
    }

    .content_1 .description {
        text-align: center;
        font-size: 18px;
        color: #737C8B;
        margin-top: 20px;
        margin-bottom: 50px;
    }

    .content_1 .body_1 {
        margin: 25px auto;
        width: 80%;
        max-width: 75rem;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
    }

    .content_1 .body_1 .top {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .content_1 .body_1 .top .circle {
        width: 200px;
        height: 200px;
        border-radius: 50%;
        box-shadow: 0 0 10px #C7C7C7;
        display: flex;
        justify-content: center;
        align-items: flex-end;
    }

    .content_1 .body_1 .top .circle .picture {
        height: 170px;
        width: auto;
    }

    .content_1 .body_1 .top .label {
        font-size: 24px;
        color: #2C2B2B;
        margin-top: 25px;
    }
}


@media screen and (max-width: 500px) {
    .banner {
        width: 100%;
        padding: 30px 0;
        background: url(../../img/call/bg-m.png) no-repeat top;
        background-size: cover;
    }

    .banner .body {
        width: 90%;
        margin: 10px auto;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .banner .body .title {
        font-size: 20px;
        font-weight: bold;
        color: #333333;
    }

    .banner .body .title .description {
        display: flex;
        align-items: center;
    }

    .banner .body .title .top-left {
        font-size: 16px;
    }

    .banner .body .image {
        height: 98px;
        width: auto;
    }

    .banner .body-bottom {
        width: 90%;
        max-width: 75rem;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
    }

    .banner .body-bottom .introduction {
        width: 100%;
        border: 3px solid #FFFFFF;
        padding: 15px;
        border-radius: 6px;
        margin-bottom: 15px;
        background: linear-gradient(to bottom, #D4E7FF, #FBFDFF);
    }

    .banner .body-bottom .introduction .title {
        display: flex;
        align-items: center;
    }

    .banner .body-bottom .introduction .title img {
        height: 20px;
        width: auto;
        margin-right: 7px;
    }

    .banner .body-bottom .introduction .title span {
        font-size: 14px;
        color: #2C2B2B;
    }

    .banner .body-bottom .introduction .divider {
        width: 70%;
        height: 1px;
        background: #FFFFFF;
        margin-top: 15px;
    }

    .banner .body-bottom .introduction .sub {
        font-size: 12px;
        color: #5F6E8E;
        margin-top: 10px;
    }

    .banner .body-bottom .introduction:hover {
        width: 45%;
        border: 3px solid #FFFFFF;
        padding: 26px;
        border-radius: 6px;
        background: linear-gradient(to right, #2F64FF, #71A9FF);
    }


    .content_1 {
        width: 100%;
        padding: 30px 0;
        background: #F5F8FF;
    }

    .content_1 .title {
        text-align: center;
        font-size: 19px;
        color: #343437;
    }

    .content_1 .description {
        display: none;
    }

    .content_1 .body_1 {
        margin: 30px auto;
        width: 85%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .content_1 .body_1 .top {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .content_1 .body_1 .top .circle {
        width: 73px;
        height: 73px;
        border-radius: 50%;
        box-shadow: 0 0 10px #C7C7C7;
        display: flex;
        justify-content: center;
        align-items: flex-end;
    }

    .content_1 .body_1 .top .circle .picture {
        height: 62px;
        width: auto;
    }

    .content_1 .body_1 .top .label {
        font-size: 14px;
        color: #2C2B2B;
        margin-top: 13px;
    }
}