.limit-width {
    width: 100%;
    min-width: 1280px;
}
.internet-service {
    padding: 60px 0 70px;
    width: 1280px;
    margin: 0 auto;
}
.internet-service .main-title {
    margin-bottom: 50px;
    text-align: center;
}
.internet-service .icon, .partner .icon, .know .icon {
    display: inline-block;
    vertical-align: middle;
}
.internet-service .title, .partner .title, .know .title {
    display: inline-block;
    width: 220px;
    vertical-align: middle;
}
.internet-service .icon, .partner .icon, .know .icon {
    display: inline-block;
    vertical-align: middle;
}
.internet-service-list {
    display: flex;
    justify-content: space-between;
}
.internet-service .item {
    width: 400px;
    height: 417px;
    background-color: #ffffff;
    box-shadow: 0px 0px 10px 0px
    rgba(0, 25, 60, 0.3);
    text-align: center;
}
.internet-service .item .button {
    width: 144px;
    height: 40px;
    background-color: #3f8eff;
    border-radius: 5px;
    border: solid 1px #3f8eff;
    line-height: 40px;
    margin: 0 auto;
    color: #ffffff;
    font-size: 16px;
}
.internet-service .item .button:hover {
    background: #2D65B5;
}