a {
    text-decoration: none;
    color: black;
}

.tel-nav .container .col {
    font-size: 12px;
}

.logo-nav {
    background-color: #3d4d6a;
}

.logo-nav .collapse ul li a {
    color: #fff;
}

.logo-nav .collapse .dropdown-menu .dropdown-item {
    color: black;
}

.supplier-nav {
    background-color: #f3f5fa;
}

.aboutus .container .aboutus-title h1 {
    position: relative;
    color: #37517e;
    font-weight: 700;
}

.aboutus .container .aboutus-title h1::before {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    width: 12rem;
    border-radius: 25px;
    border-bottom: 5px solid #37517e;
    transform: translateX(-50%);
}


.airproduct {
    background-color: #f3f5fa !important;
}


.airproduct .container .title h1{
    color: #37517e;
    font-weight: 700;
}

.airproduct .container .title {
    position: relative;
}

.airproduct .container .title span {
    content: '';
    position: absolute;
    bottom: 0rem;
    left: 50%;
    width: 12rem;
    border-radius: 25px;
    border-bottom: 5px solid #37517e;
    transform: translateX(-50%);
}

.airproduct .container .air-list div{
    transition: all .3s;
}

.airproduct .container .air-list div:hover {
    transform: translateY(-3px);
}

.ad-nav {
    background: url(../img/adnav.png) no-repeat;
    background-size: cover;
}

.ad-nav .ad-text {
    color: #fff;
    font-size: 30px;
    line-height: 100px;
}

.ad-nav .ad-text span {
    display: inline-block;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: #37517e;
}

.customer .customer-title h1 {
    color: #37517e;
    font-weight: 700;
}

.customer .customer-title div {
    position: relative;
}

.customer .customer-title div::before {
    content: '';
    position: absolute;
    bottom: 0rem;
    left: 50%;
    width: 12rem;
    border-radius: 25px;
    border-bottom: 5px solid #37517e;
    transform: translateX(-50%);
}


.customer .cus-list .list-group .list-group-item {
    border-radius: 0;
    border: 0px;
}

.customer  .cus-list .list-group-item p {
    font-size: 14px;
}


.news-nav .container .title h1{
    color: #37517e;
    font-weight: 700;
}

.news-nav .container .title {
    position: relative;
}

.news-nav .container .title span {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    width: 12rem;
    border-radius: 25px;
    border-bottom: 5px solid #37517e;
    transform: translateX(-50%);
}

.news-nav .container .new-list {
    border-bottom: 1px dotted #37517e;
}


.news-nav .container .row .new-list .new-data {

    background-color: #37517e;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    line-height: 3rem;

}

.news-nav .container .row .new-list .new-data p {
    margin: 0;
}

.news-nav .container .row .new-list .new-data p:nth-child(1) {
    font-size: 24px;
}

.news-nav .container .row .new-content p {
    font-size: 14px;
    color: #94969b;
}

.news-nav .container .new-list {
    transition: all 0.3s;
}

.news-nav .container .new-list:hover {
    transform: scale(1.05,1.05);
}


.footer-nav {
    background-color: #202020;
}

.footer-nav ul li {
     padding: 5px 0 5px 0;
}

.footer-nav ul li {
    color: #fff;
    font-size: 12px;
}

.footer-nav ul li a{
    color: #fff;
    font-size: 12px;
}

.footer-nav .img-wx {
    width: 10rem;
}


.footer-nav .footer-bn {
    font-size: 12px;
}