.title h4 {
    position: relative;
}

.title h4::before {
    content: url(../images/tit_lef.png);
    position: absolute;
    top: -6px;
    left: -30px;
}

.title h4::after {
    content: url(../images/tit_rig.png);
    position: absolute;
    top: 18px;
    right: -30px;
}

.include-con {
    width: 100%;
    height: 100px;
    position: relative;
}

.include-list {
    position: absolute;
    width: 100%;
    background: #FFFFFF;
    box-shadow: 0px 4px 16px 0px rgba(142, 142, 142, 0.1);
    border-radius: 4px;
    padding: 20px 90px 30px;
    top: -57px;
    display: flex;
    align-items: center;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    line-height: 26px;
}

.include-list img {
    width: 56px;
    height: 56px;
    margin-right: 20px;
}

section.first {
    background-color: #fff;
}

.center-con {
    position: relative;
    height: 450px;
    background: url(../images/center_img.png) no-repeat;
    background-position: top center;
}

.cen-tit {
    font-size: 18px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #333333;
}

.cen-tit+p {
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    line-height: 30px;
}

.center-list>li:nth-child(-n+2) {
    text-align: right;
}

.center-list>li {
    position: absolute;
    width: 240px;
}

.center-list>li:nth-child(1) {
    top: 110px;
    left: 132px;
}

.center-list>li:nth-child(2) {
    width: 268px;
    top: 282px;
    left: 139px;

}

.center-list>li:nth-child(3) {
    width: 253px;
    top: -5px;
    right: 178px;
}

.center-list>li:nth-child(4) {
    width: 283px;
    top: 141px;
    right: 94px;
}

.center-list>li:nth-child(5) {
    width: 283px;
    top: 298px;
    right: 137px;
}


.img-list {
    padding-top: 30px;
    justify-content: space-between;
    flex-wrap: wrap;
}

.img-item {
    width: 580px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 40px;
}

.img-item img {
    width: 100%;
}

.img-item-tit {
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #333333;
    line-height: 60px;
    position: relative;
}

.img-item-tit::after {
    position: absolute;
    content: url(../images/break_line.png);
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
}


section.ten {
    height: 194px;
    background-image: url(../images/background-ten.png);
    background-repeat: no-repeat;
}

section.ten>.content {
    padding: 0;
    text-align: center;
    padding-left: 100px;
    padding-right: 100px;
    color: #666666;
}

section.ten .left-font-border {
    border-top: 2px solid #d0d0d0;
    border-left: 2px solid #d0d0d0;
    width: 18px;
    height: 18px;
}

section.ten .right-font-border {
    border-bottom: 2px solid #d0d0d0;
    border-right: 2px solid #d0d0d0;
    width: 18px;
    height: 18px;
    margin-right: 0;
    margin-left: auto;
}

section.ten .op-button {
    display: inline-block;
    margin-top: 52px;
    margin-left: 26px;
    width: 120px;
    border: 1px solid #588afd;
    padding: 4px;
    border-radius: 4px;
    font-weight: 600;
    color: #588afd;
    font-size: 15px;
    letter-spacing: 1px;
    cursor: pointer;
    height: 36px;
    line-height: 26px;
}


section.ten a:link,
section.ten a:active,
section.ten a:visited,
section.ten a:hover {
    text-decoration: none;
}

section.ten .op-button>img {
    margin: -3px 6px 0 0;
    width: 16px;
    height: 16px;
}

.erwm-img {
    width: 138px;
    position: absolute;
    right: 200px;
    bottom: 145px;
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 50px;
    text-align: center;
}

.erwm-img img {
    width: 100%;
    height: 140px;
}