main {
    margin-bottom: 20px;
    --recommend_width: 340px;
}

.title {
    display: flex;
    flex-direction: column;
    gap: 15px;
    color: #162433;
    margin-bottom: 20px;
}

.title h2 {
    font-size: 48px;
    line-height: 1.1;
    padding-left: 80px;
}

main>.img-box {
    height: 700px;
    margin-bottom: 30px;
}

.big-box.center {
    display: flex;
    gap: 30px;
}

.content-left {
    flex: 1;
    padding: 0 80px 40px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    color: #162433;
}

.content-left p {
    font-size: 20px;
}

.content-left strong {
    font-weight: 700;
    font-size: 20px;
}

.content-left h3 {
    font-size: 36px;
}

.content-left .img-box::before {
    padding-top: 70%;
}

.content-right {
    width: var(--recommend_width);
    position: sticky;
    top: 80px;
    margin-bottom: auto;
}

.content-right h3 {
    padding: 20px;
    background-color: #007a4b;
    font-size: 19px;
    color: #fff;
    margin-bottom: 15px;
}

.recommend-box {
    display: flex;
    gap: 8px;
    padding-bottom: 15px;
    border-bottom: 1px solid #d3d8dd;
    margin-bottom: 15px;
}

.recommend-box:last-child {
    border: 0;
}

.recommend-box .img-box {
    width: 40%;
    height: fit-content;
    border-radius: 10px;
    overflow: hidden;
}

.recommend-box .img-box::before {
    padding-top: 70%;
}

.recommend-text {
    max-width: calc((100% - 40%) - 8px);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: #162433;
    font-weight: 700;
    font-size: 14px;
}

.recommend-text i {
    font-size: 16px;
    font-weight: 600;
    color: #007a4b;
}

.recommend-text h4 {
    font-size: 18px;
}

@media screen and (max-width:769px) {
    main {
        --recommend_width: 100%;
    }

    .title b {
        font-size: 18px;
    }

    .title h2 {
        font-size: 28px;
        padding: 0 5px;
    }

    .title span {
        font-size: 14px;
    }

    main>.img-box {
        height: fit-content;
    }

    main>.img-box::before {
        padding-top: 100%;
    }

    .big-box.center {
        flex-direction: column;
    }

    .content-left {
        padding: 0 5px;
    }

    .content-right {
        padding: 0 5px;
    }
}