* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-size: 16px;
    color: #000;
    line-height: 1.4;
    font-family: Arial, Helvetica, sans-serif;
}

.fam-main {
    max-width: 700px;
    margin: 30px auto;
    width: 85%;
}

.fam-top {
    max-width: 150px;
    margin: 0 auto 50px;
    text-align: center;
    position: relative;
}

.fam-i img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

.fam-i {
    border: 1px solid #818181;
    max-width: 110px;
    margin: 0 auto 10px;
    background: #f5f5f5;
}

.fam-top p,
.fam-b p {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: #333;
    text-align: center;
}

.fam-row {
    display: flex;
    position: relative;
}

.col-s4 {
    width: 33.33%;
}

.col-s6 {
    width: 50%;
}

.fam-b {
    margin-bottom: 50px;
    position: relative;
}

.fam-row:before {
    left: 16.66%;
    right: 16.66%;
    position: absolute;
    content: "";
    height: 1px;
    background: #818181;
    top: -29px;
}

.fam-row:after {
    left: 50%;
    position: absolute;
    content: "";
    width: 1px;
    background: #818181;
    top: -50px;
    height: 20px;
    margin-left: -1px;
}

.fam-b:before {
    left: 50%;
    bottom: 100%;
    position: absolute;
    content: "";
    width: 1px;
    background: #818181;
    top: -29px;
}

.row-back {
    margin: 0 -25%;
}

.row-back:before {
    left: 24.66%;
    right: 24.66%;
}

@media (max-width: 991px) {
    .fam-main {
        width: 80%;
    }

    .fam-i {
        max-width: 90px;
    }

    .fam-top p,
    .fam-b p {
        font-size: 15px;
    }
}

@media (max-width: 639px) {
    .fam-i {
        max-width: 60px;
    }
}