/**!
* 关于我们
* date:2021-10-12
* author: gl;
*/
.box {
    box-sizing: border-box;
    height: 617px;
    padding: 23px 20px;
    box-shadow: 0 0 15px 0 rgba(134, 133, 133, .2);
    background-color: #fff;
}

.intro-l {
    width: 412px;
}

.intro-r {
    width: 768px;
}

.map {
    width: 370px;
    height: 230px;
    border-radius: 4px;
    overflow: hidden;
}

.map>img {
    width: 370px;
    height: 230px;
}

.info-tt {
    font-size: 28px;
    font-weight: 600;
    padding-left: 55px;
    background: url("../images/about/intro_ico.png") no-repeat left center;
}

.info-det {
    font-size: 16px;
    line-height: 30px;
    max-height: 516px;
    text-indent: 30px;
    margin-top: 8px;
}

.readmore {
    color: #a0d3f7;
}

.intro-tt {
    position: relative;
    display: block;
    height: 84px;
    line-height: 84px;
    border-radius: 4px;
    font-size: 28px;
    font-weight: 600;
    color: #fff;
    padding-left: 90px;
}

.intro-item {
    margin-top: 28px;
}

.intro-item:nth-child(1)>.intro-tt {
    background-image: linear-gradient(to right, #86b7fc, #9fcbfd);
}

.intro-item:nth-child(2)>.intro-tt {
    background-image: linear-gradient(to right, #55c9f6, #98defa);
}

.intro-item:nth-child(3)>.intro-tt {
    background-image: linear-gradient(to right, #2ec4da, #79d7d2);
}

.intro-tt:before,
.intro-tt:after {
    position: absolute;
    content: "";
    background-repeat: no-repeat;
}

.intro-tt:before {
    width: 26px;
    height: 30px;
    top: 50%;
    left: 44px;
    transform: translateY(-50%);
}

.intro-tt:after {
    width: 76px;
    height: 81px;
    bottom: 0;
    right: 10px;
}

.intro-item:nth-child(1)>.intro-tt:before {
    background-image: url("../images/about/about_ico1.png");
}

.intro-item:nth-child(2)>.intro-tt:before {
    background-image: url("../images/about/about_ico2.png");
}

.intro-item:nth-child(3)>.intro-tt:before {
    background-image: url("../images/about/about_ico3.png");
}

.intro-item:nth-child(1)>.intro-tt:after {
    background-image: url("../images/about/about_img1.png");
}

.intro-item:nth-child(2)>.intro-tt:after {
    background-image: url("../images/about/about_img2.png");
}

.intro-item:nth-child(3)>.intro-tt:after {
    background-image: url("../images/about/about_img3.png");
}

.intro-item:nth-child(1)>.intro-tt:hover {
    background-image: linear-gradient(to right, #5291e9, #66a7f0);
}

.intro-item:nth-child(2)>.intro-tt:hover {
    background-image: linear-gradient(to right, #04aac2, #20d2c8);
}

.intro-item:nth-child(3)>.intro-tt:hover {
    background-image: linear-gradient(to right, #09a0da, #54c8f5);
}