.contentArea {
    padding: 40px;
    border-radius: 5px;
    font-size: 15px;
    line-height: 2em;
    color: #555;
}

.contentArea img {
    width: 100%;
    border-radius: 5px;
}

.contentArea h1,
.contentArea h2,
.contentArea h3,
.contentArea h4,
.contentArea h5 {
    font-size: 26px;
    margin-top: 40px;
    margin-bottom: 20px;
    font-weight: bold;
}

.contentArea h2:first-child {
    margin-top: 30px;
    font-size: 34px;
    text-align: center;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contentArea h2:first-child:before {
    content: '';
    width: 3em;
    height: 2px;
    background: linear-gradient(to right, transparent 0%, #aaa 100%);
    margin-right: .5em;
}

.contentArea h2:first-child:after {
    content: '';
    width: 3em;
    height: 2px;
    background: linear-gradient(to left, transparent 0%, #aaa 100%);
    margin-left: .5em;
}

.hotTab {
    background: #fff;
    padding: 20px;
}

.hotTab {
    display: flex;
}

.hotTab>div {
    color: #999;
    margin-right: 20px;
    cursor: pointer;
    text-align: center;
}

.hotTab>div.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
    font-weight: bold;
}

.hotList {
    padding: 15px;
}

.hotItem {
    padding: 10px 15px;
    position: relative;
    border-radius: 5px;
}

.hotItem>img {
    height: 90px;
    width: 100%;
    object-fit: contain;
    padding: 20px;
}

.hotItem:hover {
    background: #f1f2f3;
}

.hotItem a {
    text-decoration: none;
    text-align: center;
}

.hotItem h5 {
    color: #444;
    font-size: 16px;
}

.contactArea {
    background: url('https://cdn.qipengit.com/file/2b62bb84-f838-471f-8ec5-4fda1765e06b.jpg');
    background-size: auto 100%;
    background-repeat: no-repeat;
    background-position: right;
}

@media only screen and (max-width: 600px) {
    .contentArea {
        padding: 10px;
    }

    .contentArea h2:first-child:before,
    .contentArea h2:first-child:after {
        display: none;
    }

    .contentArea h2:first-child {
        font-size: 20px;
        justify-content: flex-start;
        margin-top: 10px;
        margin-bottom: 20px;
        color: var(--primary);
        border-bottom: 1px solid #eee;
        padding-bottom: 10px;
    }
    .hotList{
        display: flex;
        flex-wrap: wrap;
    }
    .hotItem{
        width: 33.33%;
    }
}