.ban{
    height: 553.13px;
    background: url('../images/service.png') no-repeat center;
}
.banCon{
    color: #fff;
    padding-top: 115px;
    width: 1000px;
    margin: auto;
    line-height: 2;
    font-size: 20px;
    text-indent: 40px;
}
.banCon h1{
    text-align: center;
    margin-top: 40px;
    margin-bottom: 20px;
    line-height: 1.2;
    font-size: 40px;
}
.ban-text {
    text-align: center;
    font-size: 32px;
}
.introduction {
    width: 80%;
    margin: 0 auto;
    max-width: 800px;
    padding: 50px 0 80px 0;
}
.title {
    font-size: 24px;
    font-weight: bold;
    line-height: 32px;
}
.title span {
    display: inline-block;
    vertical-align: middle;
}
.title .line-left {
    display: inline-block;
    width: 5px;
    height: 24px;
    background-color: #f19e2e;
    vertical-align: middle;
    margin-right: 10px;
}
.introduction p {
    font-size: 14px;
    line-height: 28px;
    margin-top: 25px;
    /* text-indent: 2em; */
    position: relative;
}
.introduction .indent {
    text-indent: 2em;
}
.introduction p i {
    display: inline-block;
    width: 15px;
    height: 15px;
    vertical-align: middle;
    background-color: #000000;
    border-radius: 50%;
    position: absolute;
    left: 5px;
    top: 6px;
}
.introduction .service-text {
    color: rgb(127, 127, 127);
    text-indent: 0;
    margin-top: 10px;
}
.introduction .service-text-bold {
    font-weight: bold;
    margin-top: 25px;
}
.service-img {
    font-size: 0;
    display: block;
    width: 90%;
    margin:  0 auto;
    margin-top: 25px;
}
.service-img img {
    width: 100%;
}
.introduction-list li {
    margin-bottom: 100px;
}
.introduction-list li:last-of-type {
    margin-bottom: 0;
}