.block4 .title {
    text-align: center;
    padding-top: 57px;
    padding-bottom: 68px;
}

.block4 .title p {
    font-size: 42px;
    line-height: 88px;
    color: #292b33;
}

.block4 .title div {
    font-size: 16px;
    color: #474b59;
    line-height: 1.3;
    margin-top: 3px;
}



.block4 .w1400 {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    padding-bottom: 100px;
}

.block4 .w1400 .img {
    font-size: 0;
}

.block4 .w1400 ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}

.block4 .w1400 ul li {
    width: 25%;
    text-align: center;
    position: relative;
}

.block4 .w1400 ul li::after {
    width: 1px;
    height: 77px;
    background-color: black;
    opacity: 0.1;
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    left: 0;
}

.block4 .w1400 ul li:first-child::after {
    display: none;
}

.block4 .w1400 ul li p {
    font-size: 22px;
    color: #000;
    font-family: number;
}

.block4 .w1400 ul li p span {
    font-size: 68px;
    font-family: number;
    font-weight: bold;
}

.block4 .w1400 ul li div {
    font-size: 20px;
    color: #333;
    margin-top: 13px;
}

@media (max-width: 750px) {
    .block4 .title {
        padding: 30px 0;
    }
    .block4 .title p {
        font-size: 7vw;
        line-height: 2;
    }
    .block4 .title div {
        font-size: 3.5vw;
    }

    .block4 .w1400 {
        padding-bottom: 50px;
    }
    .block4 .w1400 .img {
        margin-bottom: 30px;
    }
    .block4 .w1400 ul {
        -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    }
    .block4 .w1400 ul li {
        width: 50%;
        margin-bottom: 15px;
    }
    .block4 .w1400 ul li:nth-child(2n+1)::after {
        display: none;
    }
    .block4 .w1400 ul li p {
        font-size: 5vw;
    }
    .block4 .w1400 ul li p span {
        font-size: 7vw;
    }
    .block4 .w1400 ul li div {
        font-size: 14px;
    }
}