.structure {
    padding: 80px 0;
}

.structure.s .textMod {
    padding-left: 40px;
    padding-right: 0;
}

.structure .con {
    margin: 0 auto;
    width: 1140px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.textMod {
    flex: 1;
    text-align: left;
    padding-right: 40px;
}

.textMod .title {
    font-family: PingFangSC-Medium, sans-serif;
    font-size: 24px;
    color: #333;
    letter-spacing: 0;
    line-height: 32px;
}

.textMod .text {
    margin-top: 20px;
    font-family: PingFangSC-Regular, sans-serif;
    font-size: 14px;
    color: #666;
    letter-spacing: 0;
    line-height: 24px;
}

.imgMod {
    width: 700px;
}

.imgBor {
    margin: 0 auto;
    border-radius: 14px;
    box-shadow: 0 20px 20px 0 rgba(0, 0, 0, 0.1);
}

.block-cell {
    width: 24.5% !important;
    margin: 3px 0.25% !important;
}

.advantage-area {
    display: flex;
    justify-content: center;
}

.advantage-cell {
    width: 360px;
    height: 264px;
    text-align: left;
}

.advantage-cell > img {
    width: 100%;
    height: 100%;
}

.advantage-head {
    position: relative;
    top: -220px;
    left: 40px;
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

.advantage-des {
    position: relative;
    top: -200px;
    left: 40px;
    width: 80%;
    font-size: 14px;
}

.advantage-cell:nth-of-type(1) {
    margin-right: 50px;
}

.advantage-cell:nth-of-type(2) {
    margin-right: 50px;
}

.core-list-box {
    display: flex;
    justify-content: center;
}

.core-list {
    width: 285px;
    font-family: PingFangSC-Medium;
    font-size: 20px;
    color: #666;
    letter-spacing: 0;
    text-align: center;
    font-weight: 500;
    border-bottom: 2px solid #e5e5e5;
    padding-bottom: 20px;
    cursor: pointer;
}

.click {
    color: #38f !important;
    border-bottom: 4px solid #38f !important;
}

.core-item {
    display: none;
    text-align: left;
}

.core-on {
    display: block;
}

.item-box {
    display: flex;
    justify-content: center;
}

.core-item-left {
    width: 420px;
}

.left-title {
    font-family: PingFangSC-Semibold;
    font-size: 18px;
    color: #333;
    letter-spacing: 0;
    font-weight: 600;
    margin-top: 40px;
    line-height: 25px;
}

.left-text {
    font-family: PingFangSC-Medium;
    font-size: 14px;
    color: #333;
    letter-spacing: 0;
    font-weight: 500;
    margin-top: 20px;
    line-height: 20px;
}

.left-text > span {
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #333;
    letter-spacing: 0;
    line-height: 20px;
    font-weight: 400;
}

.core-item-right {
    width: 680px;
    height: 560px;
    margin-left: 40px;
    margin-top: 40px;
}