.img-responsive {
    display: block;
    max-width: 100%;
    height: auto;
}

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

h3 {
    font-size: 24px;
    font-weight: 500;
    line-height: 1.1;
    margin-top: 20px;
    margin-bottom: 10px;
}

.row {
    margin-left: -15px;
    margin-right: -15px;
}

.col-md-3 {
    width: 25%;
    float: left;
    padding-right: 15px;
    padding-left: 15px;
    box-sizing: border-box;
}

/*网站简介*/
.profile {
    background: #FFFFFF;
    padding: 60px 0;
}

.profile .introduce {
    line-height: 24px;
    margin: 30px 0 60px;
}

/*服务内容*/
.service {
    padding: 60px 0 80px;
}

.service h3 {
    margin-bottom: 60px;
}

.service .items {
    height: 347px;
    padding: 0 19px;
    border-radius: 4px;
    box-sizing: border-box;
    box-shadow: 0 2px 6px 0 rgba(64, 67, 76, 0.1);
    background-color: #fff;
    vertical-align: top;
}

.service .items img {
    margin-top: 40px;
    width: 50px;
    height: 50px;
}

.service .items .title {
    margin-top: 28px;
    font-size: 16px;
    font-weight: bold;
}

.service .items .info {
    height: 60px;
    line-height: 20px;
    color: #666;
    font-size: 12px;
    overflow: hidden;
}

.service .items .item {
    margin-top: 10px;
    text-align: left;
}

.service .items .item span {
    display: inline-block;
    width: 77px;
    height: 24px;
    line-height: 24px;
    margin: 0 4px 8px;
    text-align: center;
    color: #ff6d10;
    font-size: 12px;
    background-color: #F5F9FF;
}

/*优势*/
.advantage {
    background: #FFFFFF;
}

.advantage h3 {
    padding: 60px 0;
}

.advantage .items {
    height: 200px;
    box-sizing: border-box;
    border: 1px solid #DEE0F1;
    border-left: none;
    vertical-align: top;
}

.advantage .items:first-child {
    border-left: 1px solid #DEE0F1;
}

.advantage .items .adorn {
    display: inline-block;
    width: 24px;
    height: 3px;
    margin-top: 20px;
    background-color: #ff6d10;
}

.advantage .items .title {
    margin-top: 40px;
    font-size: 16px;
    font-weight: bold;
}

.advantage .items .info {
    height: 60px;
    line-height: 20px;
    margin-top: 16px;
    color: #666;
    font-size: 12px;
    overflow: hidden;
}

.advantage .firm {
    height: 280px;
    margin: 60px 0 30px;
    padding: 65px 115px;
    box-sizing: border-box;
    background: url("../images/webinfo/about-firm-bg.png") no-repeat;
    background-size: 100% 100%;
}

.advantage .firm p {
    line-height: 30px;
    color: #fff;
    font-size: 16px;
}