.centerTitle {
    font-size: 50px;
    text-align: center;
    color: #000;
    margin: 15px 0 40px;
    font-weight: 600;
}

.centerBox {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.centerItem {
    width: 300px;
    margin: 10px;
    text-align: center;
    padding: 30px 0px;
    box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.1), -5px -3px 10px rgba(0, 0, 0, 0.1);
    color: #000;
    font-weight: 600;
}

.centerItem>div {
    margin-top: 10px;
}

.centerValue {
    font-size: 30px;
    color: #F00000;
}

.centerPart2 {
    background-color: #000;
    margin-top: 25px;
    padding: 40px 30px;
}

.part2Title {
    font-size: 50px;
    color: #fff;
    text-align: center;
    font-weight: 600;
}

.part2Content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.part2Content>div {
    background-color: #fff;
    padding: 20px;
}

.part2ContentItem {
    margin-top: 40px;
}

.part2ContentItem-title {
    color: #F00000;
    font-size: 24px;
    font-weight: 600;
}

.part3-title {
    font-size: 50px;
    color: #000;
    text-align: center;
    font-weight: 600;
    margin: 40px 0;
}

.part3-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.part3-item {
    padding: 10px;
    margin: 10px;
    box-shadow: 10px 10px 15px rgba(0, 0, 0, 0.1), -10px -10px 15px rgba(0, 0, 0, 0.1);
}

.part3-item>p {
    line-height: 24px;
}

.part3-item>img {
    width: 100%;
}

@media (min-width: 1200px) {
    .centerBox {
        width: 1200px;
        margin: 0 auto;
    }
}

@media (min-width: 768px) {
    .part2Content>div {
        width: 32%;
    }

    .part3-item {
        width: 42%;
        height: 400px;
    }

    .part3-item>img {
        height: calc(100% - 50px);
    }
}

@media (max-width: 768px) {
    .centerTitle {
        font-size: 30px;
    }

    .part2Title {
        font-size: 30px;
    }

    .part2Content>div {
        width: 100%;
    }

    .part3-title {
        font-size: 30px;
    }

    .part3-item {
        width: 100%;
    }
}