.jtggList {
    display: none;
}
.jtggList:first-of-type {
    display: block;
}
.mk_title span.on {
    font-weight: bold;
    color: #c00;
}

.stock-list {
    display: flex;
    padding: 0;
    margin: 0;
    list-style: none;
}

.stock-list li {
    flex: 1;
    text-align: center;
    font-size: 14px;
}

.stock-list a {
    color: #333;
    text-decoration: none;
}

.platform {
    height: 324px
}

.platform img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}