body,button, input, select, textarea,h1 ,h2, h3, h4, h5, h6,p { font-family: "PingFang SC;"}
html,body{
    width: 100%;
    margin: 0;
    padding: 0;
}
/* 背景图 */
.head-nav {
    min-width: 1200px;
    height: 600px;
    background: url('../images/programme-banner.png') no-repeat;
    background-size: 100% 100%;
    position: relative;
}
.btn-forfree {
    width: 150px;
    height: 60px;
    background: transparent;
    position: absolute;
    bottom: 28%;
    left: 20.5%;
    cursor: pointer;
}
.index-content {
    min-width: 1200px;
    position: relative;
    overflow: hidden;
    background-color: rgb(249,251,255);
}
/* 主体部分 开始 */
.content-item1 {
    width: 100%;
    height: 750px;
    /* background-color: #fff; */
    position: relative;
    border-radius: 0px 0px 500px 500px;
}
.bg-img {
    position: absolute;
    right: 144px;
    top: 116px;
}
.main-cont ,.main-cont3{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    overflow: hidden;
    padding: 50px 0
}

/* 第一行布局样式 */
.section-cont {
    height: 500px;
    display: flex;
    align-items: center;
}
.msg-infor {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 180px;
}
.msg-infor h3 {
    font-size: 26px;
    font-weight: bold;
    color: #333333;
    margin-bottom:25px;
}
p.information {
    width: 80%;
    font-size: 18px;
    font-weight: 400;
    color: #333333;
    line-height: 1.6;
}
.item1-line3 {
    display: flex;
    align-items: center;
    margin-top: 20px;
}
.item1-line3 .line3-img {
    text-align: center;
}
.item1-line3.isshowhide {
    display: none;
}
.getmore {
    width: 140px;
    height: 46px;
    background: #5B6CEF;
    border-radius: 5px;
    text-align: center;
    line-height: 46px;
    font-size: 16px;
    font-weight: 400;
    color: #FFFFFF;
    cursor: pointer;
}
/* 第二行布局样式 */
.content-item2 {
    width: 100%;
    /* background-color: rgb(249,251,255); */
    position: relative;
    height: 256px;
}

.bg-img5 {
    width: 203px;
    height: 203px;
    background: #F59399;
    opacity: 0.1;
    border-radius: 50%;
    position: absolute;
    left: 262px;
    top: -219px;
}
.main-cont2 {
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    overflow: hidden;
    padding: 50px 0;
    position: absolute;
    top: -170px;
    left: 50%;
    transform: translate(-50%);
}
.main-banner {
    width: 100%;
    height: 256px;
    background: url('../images/tutorial-img-2.png') no-repeat;
    background-size: 100% 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
}
.main-banner p {
    font-size: 36px;
    font-weight: 500;
    color: #FFFFFF;
}
.main-banner .btn-link {
    width: 155px;
    height: 42px;
    line-height: 42px;
    text-align: center;
    background: #FFFFFF;
    border-radius: 5px;
    font-size: 20px;
    font-weight: bold;
    color: #3F5EF0;
    cursor: pointer;
}
/* 优势功能开始 */
.content-item3 {
    width: 100%;
    background-color: rgb(249,251,255);
    position: relative;
    margin-top: -100px;
}
.bg-img2 {
    position: absolute;
    right: 112px;
    top: 121px;
}
.main-cont3 {
    width: 1200px;
    height: 100%;
    box-sizing: border-box;
    padding-top: 65px;
    margin: 0 auto;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.msg-infor {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}
.main-cont3 h3 {
    font-size: 26px;
    font-weight: 500;
    color: #333333;
    text-align: center;
}
.racelink-hot {
    width: 100%;
    height: 100%;
}
.racelink-hot h3 {
    position: relative;
}
.racelink-hot h3::after {
    content: '';
    display: block;
    width: 48px;
    height: 4px;
    background: url(../images/good-line.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}
.good-function {
    display: flex;
    flex-wrap: wrap;
    margin-top: 70px;
    justify-content: space-around;
}
.good-function li {
    margin-bottom: 70px;
    box-sizing: border-box;
    text-align: center;
    width: 280px;
    height: 290px;
    background: #FFFFFF;
    box-shadow: 0px 15px 15px 0px rgba(32, 94, 171, 0.1);
    /* box-shadow: 0px 27px 43px 0px rgba(32, 94, 171, 0.1); */
    border-radius: 26px;
    padding: 25px;
    padding-top: 40px;
}
.good-function li p:first-of-type {
    font-size: 20px;
    font-weight: 500;
    color: #000000;
    margin-bottom: 10px;
    margin-top: 20px;
}
.good-function li p:last-child{
    font-size: 14px;
    font-weight: 500;
    color: #666666;
    line-height: 1.5;
}
/* 优势功能结束 */
/* 联系我们star */
.foot-top {
    position: relative;
    width: 100%;
    height: 269px;
    background: url('../images/com-js-footbg.png') no-repeat;
    background-size: 100% 100%;
}
.bg-img4 {
    width: 203px;
    height: 203px;
    background: #F59399;
    opacity: 0.5;
    border-radius: 50%;
    position: absolute;
    left: 144px;
    top: -121px;
}
.contact-us {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}
.foot-top .contact-us h3 {
    font-size: 30px;
    font-weight: 500;
    color: #FFFFFF;
    margin-bottom: 20px;
}
.foot-top .contact-us span {
    font-size: 16px;
    font-weight: 400;
    color: #FFFFFF;
}
.foot-top .contact-us .btn-us {
    width: 140px;
    height: 46px;
    line-height: 46px;
    border: 1px solid #FFFFFF;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 400;
    color: #FFFFFF;
    text-align: center;
    margin-top: 34px;
    cursor: pointer;
}
/* 联系我们end */
/* 兼容IE样式 */
@media screen\0 {
    .contact-us {
        text-align: center;
    }
    .foot-top .contact-us .btn-us {
        margin: 34px auto;
    }
    .good-function {
        display: table;
    }
    .good-function li {
        display: table-cell;
    }
    .main-banner {
        text-align: center;
        line-height: 120px;
    }
    .main-banner .btn-link {
        margin: 0 auto;
    }
}