.five-major-parts {
    display: flex;
    flex-direction: column;
    align-items: center;
}


.five-major-parts .five-frame {

    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

.five-major-parts .five-frame.small {

    flex-wrap: nowrap;
    position: relative;

}

.five-major-parts .five-frame.small .mask {

    position: absolute;
    height: 206.5px;
    width: 248px;
    background-color: rgba(62, 96, 24, 0.5);
    transition: all ease-in-out 0.3s;

}


.five-major-parts .five-frame.small .mask.mask-top {
    top: -57.51px;
    left: 16px;
    transform: rotate(-15deg) scale(1.5);

}

.five-major-parts .five-frame.small .five-item:hover .mask.mask-top {
    top: -180px;
}

.five-major-parts .five-frame.small .mask.mask-bottom {
    bottom: -57.51px;
    left: 16px;
    transform: rotate(345deg) scale(1.5);
}

.five-major-parts .five-frame.small .five-item:hover .mask.mask-bottom {
    bottom: -160px;
}

.five-major-parts .five-frame.small .mask-text {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 2;
    color: #fff;
    display: -webkit-box;
    opacity: 0;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2; /*自行设定:控制在第几行结尾进行显示*/
    font-size: 13px;
    margin: 14px 10px;
    line-height: 1.5;
    transition: opacity ease-in-out 0.6s;
}

.five-major-parts .five-frame.small .five-item:hover .mask-text {
    opacity: 1;
}


.five-major-parts .five-frame .five-item {

    width: 380px;
    margin-left: 67px;
    margin-top: 67px;

}

.five-major-parts .five-frame.small .five-item {

    width: 248px;
    margin-left: 20px;
    margin-top: 67px;
    /*box-sizing: border-box;*/

}

.five-major-parts .five-frame.small .five-item.active {
    color: var(--primary-color);
}

.five-major-parts .five-item:nth-child(1) {
    margin-left: 0;
}

.five-major-parts .five-item:nth-child(4) {
    margin-left: 0;
}


.five-major-parts .five-item .five-title {
    font-size: 24px;
    font-weight: bold;
    text-align: center;

}

.five-major-parts .five-frame.small .five-item .five-title {
    font-size: 24px;
    margin-bottom: 10px;
    /*font-weight: bold;*/
    /*text-align: center;*/

}

.five-major-parts .five-item .five-briefly {
    font-size: 14px;
    font-weight: normal;
    margin: 20px 0;

}

.five-major-parts .five-frame.small .five-item .five-briefly {
    display: none;
}

.five-major-parts .five-item .five-img {
    width: 380px;
    height: 190px;
    object-fit: cover;

}

.five-major-parts .five-frame.small .five-item .five-img {
    width: 100%;
    height: 413px;
    position: relative;
    overflow: hidden;
    /*border-radius: 10px;*/


}

.five-major-parts .five-frame.small .five-item .five-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media screen and (device-width: 1600px) {
    .five-major-parts .five-frame.small .five-item {
        width: 198.4px;
        margin-top: 56px;
    }
    .five-major-parts .five-frame.small .five-item .five-title {
        font-size: 19px;
    }

    .five-major-parts .five-frame.small .five-item .five-img {
        height:330.4px;
    }

    .five-major-parts .five-frame.small .mask {
        height: 165.2px;
        width: 198.2px;
    }
    .five-major-parts .five-frame.small .mask.mask-top {
        top: -45.3px;
        left: 11px;
    }
    .five-major-parts .five-frame.small .mask.mask-bottom {
        bottom: -45.3px;
        left: 11px;
    }

    .five-major-parts .five-frame.small .five-item:hover .mask.mask-top {
        top: -130px;
    }
    .five-major-parts .five-frame.small .five-item:hover .mask.mask-bottom {
        bottom: -130px;
    }



}


@media (min-width: 320px) and (max-width: 640px) {
    .five-major-parts .five-frame.small {
        flex-wrap: wrap;
    }
    .five-major-parts .five-frame.small .five-item {
        width: 27.33vw;
        margin-top: 3vw;
        margin-left: 1.5vw;
    }
    .five-major-parts .five-frame.small .five-item:nth-child(1) {
        margin-left: 0;
    }

    .five-major-parts .five-frame.small .five-item .five-img {
        height: 45.51vw;
    }

    .five-major-parts .five-frame.small .five-item .five-title {
        font-size: 4vw;
        margin-bottom: 3vw;
    }
    .five-major-parts .five-frame.small .mask {
        display: none;
    }

    .five-major-parts .five-frame.small .mask-text {
        opacity: 1;
        transition: opacity ease-in-out 1s;
        font-size: 3vw;
        background-color: rgba(62, 96, 24, 0.5);
        margin: 0;
    }
    .five-major-parts .five-frame.small .mask-text .mask-text-content {
       transform: scale(0.88);
        display: -webkit-box;
        overflow: hidden;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        font-size: 3.5vw;
    }


}