section {
    width: var(--all-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

.ban-lef,
.ban-rig {
    width: 22%;
}

.lef-box {
    border-bottom: 1px solid #66666650;
}

.ban-cen {
    flex: 1;
    padding: 0 1%;
    margin: 0 1%;
    border-left: 1px solid #66666650;
    border-right: 1px solid #66666650;
}

.lef-box {
    width: 100%;
}

.lef-box:nth-child(1) {
    padding-bottom: 10px;
    margin-bottom: 10px;
}

.lef-box:nth-child(2) {
    border: 0;
}

.ban-img {
    position: relative;
}

.ban-img::before {
    content: '';
    display: block;
    padding-top: 50%;
    position: relative;
}

.ban-rig h4 {
    border-bottom: 1px solid #66666650;
    font-size: 18px;
    padding-bottom: 8px;
}

.rig-box {
    padding: 8px 5px;
    border-bottom: 1px solid #66666650;
}

.rig-box:hover .rig-title {
    text-decoration: underline;
}

.rig-title {
    width: 100%;
    font-weight: 600;
    font-size: 14px;
}

.rig-text {
    margin-top: 10px;
    font-size: 14px;
    color: #fff;
    display: inline-block;
    background-color: #000;
    padding: 4px 8px;
}

.type {
    font-size: 14px;
    font-weight: 700;
    padding: 15px 0;
}

.lef-h2 {
    font-size: 26px;
    width: 100%;
}

.cen-h2 {
    font-size: 34px;
    width: 100%;
}

.cen-top {
    padding-bottom: 15px;
    margin-bottom: 15px;
    border-bottom: 1px solid #66666650;
}

.cen-bot {
    display: flex;
    justify-content: space-between;
    padding-bottom: 15px;
}

.cen-bot .txt-box {
    flex: 1;
    padding-right: 5%;
}

.cen-bot .txt-box h2 {
    font-size: 28px;
}

.cen-bot .ban-img {
    width: 45%;
}

@media (max-width:799px) {
    section {
        flex-direction: column;
    }

    .ban-lef,
    .ban-rig {
        width: 100%;
    }

    .ban-cen {
        margin: 20px 0;
    }

    .cen-h2 {
        font-size: 26px;
    }

    .cen-bot {
        flex-direction: column;
    }

    .cen-bot .ban-img {
        width: 100%;
    }
}