body {
    margin: 0 auto;
    max-width: 1920px;
}

ul li {
    margin: 0;
    list-style: none;
}

.head_box {
    padding: 0 150px;
    display: flex;
    justify-content: space-between;
}

.head_title {
    font-size: 20px;
    color: #2F4171;
    display: flex;
    align-items: center;
    font-weight: bold;
}

.head_list {
    display: flex;
}

.head_box li {
    margin: 0 15px;
    padding: 5px 0;
}

.head_box li:nth-child(2) {
    border-bottom: 3px solid #4D526A;
}

.head_box li a {
    text-decoration: none;
    color: #4D526A;
}

.y1box {
    padding: 50px 200px;
    display: flex;
    align-items: center;
    justify-content: space-around;
}

.b1 {
    background-color: #E5EAF5;
}

.b2 {
    background-color: #F6F8FC;
}

.img_des {
    width: 300px;
}

.des {
    margin-left: 100px;
}

.desp1 {
    font-size: 45px;
    font-weight: bold;
    color: #2F4171;
    margin: 0;
}

.desp2 {
    font-size: 20px;
    color: #2F4171;
    font-weight: bold;
}

.des2 {
    margin: 0 100px 0 0;
}

.foerber {
    padding: 50px;
    background-color: #2F4171;
    color: #fff;
}

.foerber p:nth-child(1) {
    font-size: 36px;
    font-weight: bold;
}