.devlop_con {
    padding: 40px 0 60px;
}
.common_tit2 {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    text-align: center;
}
.common_tit2::after {
    content: '';
    display: block;
    margin: 16px auto 0;
    width: 20px;
    height: 2px;
    background-color: #1db0b8;
}
.devlop_box {
    margin-top: 30px;
    position: relative;
}
.devlop_box .inner {
    font-family: Akr;
    font-size: 22px;
    color: #ffffff;
    width: 68px;
    height: 68px;
    line-height: 68px;
    text-align: center;
    background: #0076b0c7;
    border: solid 4px #f0f0f0;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    margin: auto;
}
.devlop_box .tree {
    display: block;
    margin: auto;
}
.devlop_box .inner.inner_a:nth-child(2n + 1) {
    -webkit-transform: translateX(-133px);
    -moz-transform: translateX(-133px);
    -ms-transform: translateX(-133px);
    -o-transform: translateX(-133px);
    transform: translateX(-133px);
}
.devlop_box .inner.inner_a:nth-child(2n + 1) .text {
    right: 100%;
}

.devlop_box .inner.inner_a .text {
    font-size: 14px;
    line-height: 24px;
    color: #666666;
    padding-top: 28px;
    width: 200px;
    position: absolute;
    top: 50%;
    font-family: Arial;
    text-align: left;
    border-top: 1px solid #f0f0f0;
}

.devlop_box .inner.inner_a1{
    top: 30.5%;
}

.devlop_box .inner.inner_a{
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
}
.devlop_box .inner.inner_a2 {
    top: 46.5%;
}

.devlop_box .inner.inner_a:nth-child(2n) {
    -webkit-transform: translateX(133px);
    -moz-transform: translateX(133px);
    -ms-transform: translateX(133px);
    -o-transform: translateX(133px);
    transform: translateX(133px);
}

.devlop_box .inner.inner_a:nth-child(2n) .text {
    left: 100%;
}

.devlop_box .inner.inner_a3 {
    top: 62%;
}

.devlop_box .inner.inner_a4 {
    top: 79%;
}