.document-item {
    width: calc(100% / 3);
    padding: 10px 5px 5px 5px;
    display: flex;
    flex-direction: row;
}

.document-item .document-pic-wrap {
    width: calc(100% / 3);
    flex: 1;
}

.document-item .document-pic {
    width: 100%;
    height: 0;
    padding-bottom: 177.77%;
    background-size: cover;
}

.document-item .document-content {
    padding-left: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 2;
}

.document-item .document-content .document-title {
    font-size: 1.14em;
    font-weight: 400;
    line-height: 1.42em;
    height: 2.85em;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.document-item .document-content .docuemnt-intro {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size:  0.85em;
    line-height: 1.6em;
}

.document-item .document-content .docuemnt-intro label {
    width: 5em;
    color: #999999
}

.document-item .document-content .docuemnt-intro .value {
    flex: 1;
}

@media screen and (max-width: 768px) {
    .document-item {
        width: 100%;
    }
}

@media screen and (min-width: 768px) and (max-width: 992px) {
    .document-item {
        width: calc(100% / 2);
    }
}

@media screen and (min-width: 992px) and (max-width: 1200px) {
    .document-item {
        width: calc(100% / 2);
    }
}

@media screen and (min-width: 1200px) {

}