@import url("common.css");

/*banner*/

.banner {
    height: 460px;
    background: url(../img/banner@2x.png) top center;
}

.content {
    padding-top: 60px;
    box-sizing: border-box;
}

.content>div,
.content>ul {
    width: 1200px;
    margin: 0 auto;
}

p.tit {
    font-size: 26px;
    color: #282828;
    text-align: center;
    line-height: 1;
}


/*公司简介*/

.brief>div {
    margin-top: 50px;
    margin-bottom: 74px;
    position: relative;
    height: 423px;
}

.brief>div>div {
    width: 660px;
    height: 385px;
    background: #F3F6F9;
    box-sizing: border-box;
    padding: 55px 42px 0 68px;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.brief>div>div>p {
    color: #282828;
    font-size: 14px;
    line-height: 24px;
}

.brief>div>div>p:first-of-type {
    margin-bottom: 18px;
}


/*主要业务介绍*/

.business {
    background: #F3F6F9;
    height: 358px;
    box-sizing: border-box;
}

.business>ul {
    display: flex;
    justify-content: space-around;
    margin-top: 48px;
}

.business>ul>li>div {
    width: 120px;
    height: 120px;
    box-sizing: border-box;
    border: 2px solid #282828;
    border-radius: 50%;
    display: table;
    margin: 0 auto;
}

.business>ul>li>div>div {
    display: table-cell;
    vertical-align: middle;
}

.business>ul>li>div img {
    display: block;
    margin: 0 auto;
}

.business>ul>li>p {
    color: #282828;
    font-size: 16px;
    margin-top: 25px;
    text-align: center;
}


/*服务承诺*/

.promise ul {
    overflow: hidden;
    margin: 60px auto;
}

.promise ul>li {
    float: left;
    width: 400px;
    height: 300px;
    position: relative;
}

.promise ul>li>img {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.promise ul>li>div {
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 0 37px;
    position: absolute;
    top: 0;
}

.promise ul>li:nth-child(-n+3)>div {
    border-top: 1px dashed #FFFFFF;
    border-bottom: 1px dashed #FFFFFF;
    border-left: 1px dashed #FFFFFF;
}

.promise ul>li:nth-child(3n)>div {
    border-right: 1px dashed #FFFFFF;
}

.promise ul>li:nth-child(n+3)>div {
    border-bottom: 1px dashed #FFFFFF;
    border-left: 1px dashed #FFFFFF;
}

.promise ul>li:before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(0, 0, 0, .76);
}

.promise ul>li>div p {
    color: #FFFFFF;
    font-size: 22px;
    line-height: 30px;
    margin-top: 76px;
    margin-bottom: 16px;
    text-align: center;
}

.promise ul>li>div span {
    color: #FFFFFF;
    font-size: 14px;
    line-height: 24px;
}

.promise ul>li:hover:before {
    background: rgba(32, 32, 214, .8);
}