.head-nav {
    height: 60px;
    border: 1px solid #dcdcdc;
    margin: 40px 0;
}

.head-nav a {
    flex: 1;
    text-align: center;
    font-size: 16px;
    color: #5a5a5a;
    height: 60px;
    line-height: 40px;
    padding: 10px 0;
    box-sizing: border-box;
}

.head-nav a.on {
    background: #d10d3b;
    color: #fff;
}

.head-nav a span {
    margin-left: -1px;
    border-left: 1px solid #dcdcdc;
    display: block;
    width: 100%;
}

.list {
    flex-wrap: wrap;
    justify-content: space-between;
}

.list dl {
    width: 280px;
    background: #f5f5f5;
    margin-right: 26px;
    margin-bottom: 30px;
    box-sizing: border-box;
    border: 1px solid #e5e5e5;
}

.list dl:nth-of-type(4n) {
    margin-right: 0;
}

.list dt {
    padding: 10px 9px;
    background: #fff;
    overflow: hidden;
}

.list img {
    display: block;
    transition: all .3s ease-in-out;
    width: 268px;
    height: 180px;
    object-fit: cover;
}

.list dt:hover img {
    transform: scale(1.1, 1.1);
}

.list dd {
    height: 50px;
    font-size: 14px;
    line-height: 50px;
    text-align: center;
    padding: 0 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: #f5f5f5;
}

.list dd a {
    color: #4b4a4a;
}