.core-function {
    margin: 0 auto;
    height: 815px;
    width: 1200px;
}

.core-function-title {
    padding-top: 99px;
    text-align: center;
    font-size: 38px;
    color: #333;
}

.core-function-box {
    position: relative;
    margin-top: 78px;
}

.core-function-box .hexagon1 {
    position: absolute;
    top: 169px;
    right: 0;
    width: 153px;
    height: 153px;
}

.core-function-box .hexagon2 {
    position: absolute;
    top: 422px;
    left: -94px;
    width: 109px;
    height: 109px;
}

.core-function-nav {
    display: flex;
    /*justify-content: space-evenly;*/
    justify-content: space-between;
    height: 48px;
    border-bottom: solid 1px #eee;
}

.core-function-nav:before,
.core-function-nav:after {
    content: "";
    display: block;
}

.core-function-nav-item {
    height: 46px;
    font-size: 20px;
    color: #666;
    cursor: pointer;
}

.core-function-nav-item input {
    opacity: 0;
    position: absolute;
    outline: none;
}

.core-function-nav-item .nav-btn {
    height: 100%;
    cursor: pointer;
    font-size: 20px;
    color: #666;
}

.nav-btn.active-nav {
    border-bottom: solid 3px #ff702a;
    color: #ff702a;
    font-size: 22px;
}

.core-function-detail {
    opacity: 0;
    display: none;
    position: absolute;
    width: 1200px;
    top: 108px;
    left: 50%;
    transform: translateX(-50%);
    /*display: flex;*/
    justify-content: space-between;
    cursor: auto;
}


.active-nav + .core-function-detail {
    opacity: 1;
    display: flex;
}


.core-function-detail .core-function-detail-img-box{

    display: flex;
    width: 700px;
    justify-content: center;
}

.core-function-detail-img {
    height: 424px;
}

.core-function-detail-explain-box {
    width: 391px;
    height: 424px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.core-function-detail-explain-box:before,
.core-function-detail-explain-box:after {
    content: "";
    display: block;
}

.core-function-detail-explain {
    padding-left: 22px;
    box-sizing: border-box;
}

.core-function-detail-explain-title {
    position: relative;
    font-size: 28px;
    color: #ff702a;
    color: #333;
}

.core-function-detail-explain-title::after {
    content: '';
    position: absolute;
    left: -22px;
    top: 25%;
    width: 6px;
    height: 24px;
    background-color: #ff702a;
    border-radius: 3px;
}

.core-function-detail-explain-title::before {
    content: attr(data-before);
    position: absolute;
    left: -30px;
    top: -44px;
    color: #fff0e6;
    font-size: 72px;
    font-weight: 700;
    z-index: -1;
}

.core-function-detail-explain-content-img-box {
    margin-top: 26px;
}

.core-function-detail-explain-content-img-box .alipay-img {
    margin-left: 26px;
}

.core-function-detail-explain-content {
    padding-top: 10px;
    font-size: 20px;
    line-height: 30px;
    color: #666;
}

.core-function-detail-explain-content-coupon1,
.core-function-detail-explain-content-coupon2 {
    position: relative;
    margin-top: 24px;
}

.core-function-detail-explain-content-coupon1::before,
.core-function-detail-explain-content-coupon2::before {
    position: absolute;
    top: 16px;
    left: -12px;
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #ff702a;
}


.core-function-erp-detail-img {
    display: none;
    height: 424px;
}

.core-function-erp-detail-img.erp-active {
    display: block;
}


.erp-core-list {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.erp-core-item {
    height: 90px;
    cursor: pointer;
}

.erp-core-item-content {
    display: none;
}

.erp-core-item.erp-active {
    width: 476px;
    height: 156px;
    background-color: #fff8f3;
    border-radius: 10px;
}

.erp-core-item.erp-active .erp-core-item-content {
    display: block;
    margin-left: 58px;
    width: 380px;
    margin-top: 12px;
}

.erp-core-item-title {
    position: relative;
    margin-top: 28px;
    margin-left: 58px;
    font-size: 28px;
    font-weight: 700;
    color: #666;
}

.erp-core-item-title::before {
    content: '';
    position: absolute;
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 24px;
    background-color: #ff702a;
    border-radius: 3px;
}

.erp-core-item.erp-active .erp-core-item-title {
    color: #ff702a;
}