.c004BE1 {
    color: #004BE1
}
.sec:nth-child(2n) {
    background: #F9FAFF;
}

.sec .btn-box {
    text-align: center;
}

.sec .btn {
    min-width: 136px;
    display: inline-block;
    padding: 17px 25px;
    border-radius: 6px;
    background: #004BE1;
    font-size: 16px;
    color:#fff;
    line-height: 14px;
    margin-top: 15px;
    cursor: pointer;
    margin-left: 22px;
    text-align: center;
    margin-top: 32px;
}

.banner .right {
    display: flex;
    align-items: center;
}

.common-title {
    line-height: 39px !important;
}

.sec1 .common-subtitle {
    text-align: left;
    width: 1000px;
    margin-left: auto;
    margin-right: auto;
    line-height: 28px;
    font-size: 16px;
    margin-top: 30px;
}

.sec2 .sec-content {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sec2 img {
    width: 578px;
    flex-shrink: 0;
    margin: 0 20px;
}

.sec2 .item-box .item {
    padding-left: 14px;
    position: relative;
    margin-top: 80px;
}

.sec2 .item-box .item:first-child {
    margin-top: 0;
}

.sec2 .item-box .item::after {
    content: '';
    display: block;
    background: #004BE1;
    width: 4px;
    height: calc(100% - 12px);
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.sec2 .item-box .item .title {
    color: #004BE1;
    line-height: 28px;
    font-weight: 500;
    font-size: 24px;
}

.sec2 .item-box .item .desc {
    margin-top: 20px;
    font-size: 16px;
    line-height: 28px;
    color: #333333;
}

.sec2 .item-box.right .item {
    padding-left: 0;
    padding-right: 14px;
    text-align: right;
}

.sec2 .item-box.right .item::after {
    left: auto;
    right: 0;
}

.sec3 .item-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.sec3 .item-box .item {
    width: 570px;
    height: 315px;
    border-radius: 20px;
    opacity: 1;
    background: #F9FAFF;
    box-sizing: border-box;
    border: 1px solid rgba(164, 172, 191, 0.2);
    box-shadow: 0px 4px 10px 0px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    padding: 0 49px;
    margin-top: 73px;
}

.sec3 .item-box .item:nth-child(-n+2) {
    margin-top: 0;
}

.sec3 .item-box .item .img-box {
    width: 136px;
    height: 136px;
    flex-shrink: 0;
    margin-right: 54px;
}


.sec3 .item-box .item .text-box .title {
    font-size: 24px;
    font-weight: 500;
    line-height: 39px;
    letter-spacing: 0px;
    color: #004BE1;
}

.sec3 .item-box .item .text-box .desc {
    font-size: 18px;
    font-weight: normal;
    line-height: 30px;
    letter-spacing: 0px;
    color: #333333;
    margin-top: 20px;
}

.sec4 .item-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 30px 52px;
    border: 1px solid rgba(164, 172, 191, 0.3);
    border-radius: 10px;
    margin: 32px 32px 40px;
}

.sec4 .item-box .item {
    width: 20%;
    display: flex;
    margin-top: 10px;
    font-size: 16px;
    line-height: 28px;
    color: #333333;
    font-weight: bold;
}

.sec4 .item-box .item .icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-right: 12px;
}

.sec4 .item-box .item .text {
    font-size: inherit;
}

.sec4 .img-box {
    width: 1032px;
    margin: auto;
}

.sec4 .img-box:nth-of-type(3) {
    margin-top: 30px;
    padding-top: 30px;
    border-top: solid 1px #A4ACBF;
}

.sec4 .img-box .text {
    font-size: 16px;
    line-height: 22px;
    margin-top: 40px;
    color: #666666 
}

.sec4 .img-box .text .c004BE1 {
    font-size: 18px;
    font-weight: 500;
}