html, body {
    margin: 0;
    padding: 0
}

.clearfix {
    content: "";
    display: block;
    height: 0;
    clear: both
}

.pull-left {
    float: left
}

.pull-right {
    float: right
}

.list-item {
    display: block;
    width: 100%;
    height: 90px;
    position: relative;
    padding: 7px 10px;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    border-bottom: 1px solid #e5e5e5
}

.list-item-img {
    display: inline-block;
    width: 135px;
    height: 76px;
    margin-right: 15px;
    text-align: center;
    float: left;
}

.list-item-img:before {
    content: "";
    display: inline-block;
    height: 100%;
    vertical-align: middle;
    width: 0;
}

.list-item-img img {
    max-width: 130px;
    max-height: 73px;
    vertical-align: middle;
}

.list-item-title {
    height: 48px;
    margin: 0;
    padding: 0;
    line-height: 24px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    font-size: 17px;
    color: #333
}

.list-item-des {
    height: 28px;
    line-height: 35px;
    color: #999;
    overflow: hidden;
    font-size: 10px
}

.list-item .des {
    width: 45px;
    margin-right: 10px
}

.list-item-icon {
    padding: 0 2px;
    border: 1px solid #f8caac;
    border-radius: 2px;
    color: #f8caac
}

.list-item.vertical {
    height: auto
}

.vertical .list-item-title {
    height: 24px;
    -webkit-line-clamp: 1
}

.list-item-big-img {
    display: inline-block;
    width: 100%;
    width: calc(100vw - 20px);
    max-height: calc((100vw - 20px) / 16 * 9);
    overflow: hidden;
}

.list-item-three-img {
    font-size: 0
}

.list-item-three-img .item {
    display: inline-block;
    width: 33%;
    width: calc(0.33 * (100vw - 20px));
    height: calc(0.33 * (100vw - 20px) / 16 * 9);
    vertical-align: top;
    text-align: center;
}

.list-item-three-img .item:before {
    content: "";
    display: inline-block;
    height: 100%;
    vertical-align: middle;
    width: 0;
}

.list-item-three-img .item img {
    max-width: 100%;
    max-width: calc(0.33 * (100vw - 20px));
    max-height: calc(0.33 * (100vw - 20px) / 16 * 9);
}

.list-item-three-img .item:nth-child(2) {
    margin: 0 .5%
}