@charset "utf-8";
body {
    background-color: #f2f2f2;
}

.ser-bannerBg {
    width: 100%;
    height: 500px;
    position: relative;
}

.ser-title {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    display: flex;
    display: -webkit-flex;
    flex-direction: column;
}

.btn {
    height: 80px;
    width: 280px;
    line-height: 80px;
    background-color: #1da3e5;
    color: #fff;
    text-align: center;
    font-size: 24px;
    margin: 0 auto;
}

.text {
    width: 100%;
    height: 80px;
    background-color: rgba(0, 0, 0, 0.8);
    text-align: center;
    color: #fff;
    line-height: 80px;
    margin-top: 50px;
}

.ser-prom {
    width: 100%;
    background-color: #fff;
    padding-top: 30px;
}

.ser-prom .ser-prom-title {
    width: 1200px;
    margin: 0 auto;
}

.ser-prom .ser-prom-title span {
    display: block;
    width: 1200px;
    height: 100px;
    line-height: 100px;
    margin: 0 auto;
    font-size: 20px;
    letter-spacing: 0.2rem;
    display: flex;
    display: -webkit-flex;
    justify-content: center;
}

.ser-prom .ser-prom-title span::before,
.ser-prom .ser-prom-title span::after {
    content: "";
    width: 20%;
    height: 1.5rem;
    top: 20%;
    border: 0.1rem solid #ccc;
    border-radius: 2rem 0;
    margin-top: 40px;
}

.ser-prom .ser-prom-title span::before {
    border-top-style: none;
    border-left-style: none;
    margin-right: 40px;
}

.ser-prom .ser-prom-title span::after {
    border-radius: 0 2rem;
    border-top-style: none;
    border-right-style: none;
    margin-left: 40px;
}

.ser-prom .ser-prom-ico {
    width: 980px;
    height: 475px;
    margin: 0 auto;
    margin-top: 20px;
    overflow: hidden;
}

.ser-prom .ico {
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
}

.ser-prom .ser-prom-ico .ico .ico0 {
    width: 200px;
}

.ser-prom .ser-prom-ico .ico .ico0.ico4 {
    margin-left: 195px;
}

.ser-prom .ser-prom-ico .ico .ico0.ico5 {
    margin-right: 195px;
}

.ser-prom .ser-prom-ico .ico .img1 {
    width: 200px;
    height: 100px;
    text-align: center;
    line-height: 100px;
}

.ser-prom .ser-prom-ico .ico .img1 img {
    width: 90px;
    height: auto;
}

.ser-prom .ser-prom-ico .ico0 p {
    width: 200px;
    text-align: center;
    margin-top: 30px;
    margin-bottom: 20px;
}

.ser-prom .ser-prom-ico .ico i {
    display: block;
    height: 60px;
    width: 60px;
    transform: rotate(45deg);
    background-color: #1da3e5;
    margin: 0 auto;
}

.center {
    width: 100%;
    height: 500px;
    background-color: #242424;
    margin-top: 20px;
    overflow: hidden;
}

.center .cen-title {
    width: 100%;
    height: 20px;
    background-color: #f2f2f2;
}

.center .h2 {
    text-align: center;
}

.center .h2 span {
    position: relative;
    display: inline-block;
    color: #fff;
    font-size: 28px;
    line-height: 78px;
    z-index: 1000;
}

.center .h2 span::after {
    content: "";
    position: absolute;
    left: -44px;
    top: -120px;
    display: inline-block;
    width: 200px;
    height: 200px;
    transform: rotate(45deg);
    background-color: #1da3e5;
    margin: 0 auto;
    z-index: -1;
}

.center .cen-con {
    width: 1080px;
    margin: 0 auto;
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    margin-top: 100px;
}

.center .cen-con .cont {
    width: 245px;
}

.center .cen-con .cont.wait {
    transition-property: all;
    transition-timing-function: ease;
    transition-delay: 0.1s;
}

.center .cen-con .cont.wait1 {
    transition-property: all;
    transition-timing-function: ease;
    transition-delay: 0.2s;
}

.center .cen-con .cont.wait2 {
    transition-property: all;
    transition-timing-function: ease;
    transition-delay: 0.3s;
}

.center .cen-con .img {
    text-align: center;
    margin-bottom: 30px;
}

.center .cen-con .cont p {
    color: #fff;
    text-align: center;
    margin-bottom: 30px;
}

.center .cen-con .cont p.p {
    margin-top: 50px;
}

.ser-prom .ico.tiex-con {
    width: 980px;
    margin: 0 auto;
}

.ser-prom .ico .tiex {
    margin: 60px 0;
}

.ser-prom .ico .tiex .img {
    text-align: center;
    margin-bottom: 40px;
}

.ser-prom .ico .tiex .img img {
    height: 100px;
    width: 100px;
}

.ser-prom .ico .tiex p {
    width: 160px;
    text-align: center;
    margin-top: 20px;
}