p {
    font-size: 18px;
}

span {
    font-size: 16px;
}

.solution_left>ul>li:nth-child(4)>a {
    background-color: #006aa4;
}

.solution_left .category:hover .news_nav {
    display: block;
}

.solution_left .category {
    position: relative;
}

.solution_left .news_nav {
    display: none;
    position: absolute;
    top: 0;
    left:200px;
    width: 200px;
    z-index: 1;
}

.solution_left .news_nav ul li {
    color: #fff;
    background-color: #0085cd;
    height: 60px;
    line-height: 60px;
    cursor: pointer;
}

.solution_left .news_nav ul li:hover {
    background-color: #006aa4;
}

.selling_points {
    width: 100%;
    margin-top: 60px;
}

.selling_points>div {
    display: flex;
    justify-content: space-between;
}

.selling_points>div>ul {
    width: 320px;
    text-align: center;
}
.selling_points>div>ul li{
    height: 100px;
    border: 2px solid #0085cd;
    border-radius: 10px;
    margin: 10px 0;
    box-sizing: border-box;
}
.selling_points>div>ul li>p{
    width: 100%;
    line-height: 36px;
    font-size: 18px;
    color: #0085cd;
    padding-top: 12px;
}

.selling_points>div>p {
    width: 100px;
    background-color: #0085cd;
    margin: 10px 40px;
    box-sizing: border-box;
    border-radius: 10px;
    font-size: 36px;
    line-height: 36px;
    color: #fff;
    padding: 110px 32px 0;
    text-align: center;
}

.selling_points>div>p>span {
    display: inline-block;
    font-size: 36px;
    line-height: 36px;
    color: #fff;
    transform-origin: 18px 18px;
    transform: rotate(90deg);
}

.selling_points .img_box {
    width: 1200px;
    margin: 0 auto;
}
.competitiveness{
    margin-top: 60px;
}

.competitiveness ul li {
    width: 100%;
    height: 180px;
    background-color: #fff;
    margin-top: 20px;
    padding: 30px 40px 0 30px;
    box-sizing: border-box;
}

.competitiveness ul li h3::after{
    content : "";
    display: block;
    border-bottom: 2px solid #0085cd;
    width: 40px;
    margin-top: 10px;
    margin-left: 12px;
}

.competitiveness ul li p {
    text-align: justify;
    color: #666;
    line-height: 24px;
    margin-top: 20px;
}