.clear {
    clear: both;
    height: 0;
}

.home-main {
    background: #fff;
    width: 1200px;
    margin: 0 auto;
}

.home-one {
    height: 422px;
}

.home-one-title {
    background: url(../images/home/home-title1.png) no-repeat center;
    height: 120px;
    margin: 30px auto;
}

@media screen and (max-width: 1199px) {

    html {
        min-width: 1200px;
    }

}

.section {
    position: relative;
    padding-bottom: 0px;
    box-sizing: border-box;
    min-height: 1px;
    padding-right: 15px;
    flex: none;
    float: left;
    width: 33.33333%;
}

.content {
    position: relative;
    overflow: hidden;
}

.content:hover .bottom {
    bottom: 71.5%;
}

.content:hover .desc {
    height: 196px;
    padding: 30px 15px;
}

.top {
    overflow: hidden;
    padding-left: 16px;
    padding-bottom: 78px;
}

.top a {
    position: relative;
    display: block;
}

.top a img {
    display: block;
    width: 100%;
}

.bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    transition: all 0.3s linear;
}

.bottom h4 {
    position: relative;
    display: block;
    margin: 0;
    padding: 10px 15px;
    background-color: #a00000;
}

.bottom h4:before {
    content: ' ';
    position: absolute;
    left: 0;
    top: -16px;
    width: 0;
    border: 8px solid;
    transition: all 0.3s linear;
    border-top-color: transparent;
    border-right-color: #a95d3a;
    border-bottom-color: #a95d3a;
    border-left-color: transparent;
    opacity: 1;
    filter: alpha(opacity=100);
}

.bottom h4 a {
    display: block;
    line-height: 3.2em;
    height: 3.2em;
    font-size: 22px;
    color: #fff;
    overflow: hidden;
}

.bottom h4:after {
    content: ' ';
    position: absolute;
    left: 0;
    bottom: -16px;
    width: 0;
    border: 8px solid;
    transition: all 0.3s linear;
    border-top-color: #a95d3a;
    border-right-color: #a95d3a;
    border-bottom-color: transparent;
    border-left-color: transparent;
    opacity: 0;
    filter: alpha(opacity=0);
}

.desc {
    position: absolute;
    left: 16px;
    right: 0;
    bottom: 0;
    height: 0;
    padding: 0 15px;
    background-color: #fff;
    z-index: 5;
    transition: all 0.3s linear;
    text-indent: 2em;
    font-size: 16px;
    line-height: 1.8em;
}

.desc p {
    line-height: 1.8em;
    height: 5.4em;
    font-size: 14px;
    overflow: hidden;
}

.home-two-title {
    background: url(../images/home/home-title2.png) no-repeat center;
    height: 99px;
    margin: 30px auto;
    display: flex;
    flex-direction: column;
}

.home-two-title p {
    font-size: 30px;
    font-weight: bold;
    color: #f00;
    text-align: center;
}
.home-two-body{
    height: 460px;
    margin-bottom: 30px
}
.slide_cont {
    width: 1200px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.narrow_box {
    width: 230px;
    height: 460px;
    position: relative;
    transition: all 1s;
    cursor: pointer;
}

.narrow_box .title {
    position: absolute;
    left: 0;
    width: 230px;
    height: 230px;
    background: url(../images/home/jianbianred2.jpg) no-repeat;
    font-size: 22px;
    color: #fff;
    font-weight: bold;
    line-height: 32px;
    text-align: center;
    padding: 40px 35px;
    z-index: 2;
    box-sizing: border-box;
}

.narrow_box .img {
    position: absolute;
    left: 0;
    width: 230px;
    height: 230px;
    top: 230px\9;
}

.narrow_box .img img {
    width: 100%;
    height: 100%;
}

.narrow_box:nth-child(odd) .title {
    top: 0;
}

.narrow_box:nth-child(odd) .img {
    top: 230px;
}

.narrow_box:nth-child(even) .title {
    top: 230px;
}

.narrow_box:nth-child(even) .img {
    top: 0;
}

.narrow_box.on {
    width: 460px;
    height: 460px;
}

.narrow_box.on .img {
    position: absolute;
    left: 0;
    width: 460px;
    height: 460px;
    top: 0\9;
}

.narrow_box.on .title {
    position: absolute;
    left: 0;
    top: 370px;
    width: 100%;
    height: 133px;
    background: url(../images/home/jianbian3.png) repeat-x;
    font-size: 22px;
    color: #fff;
    font-weight: bold;
    line-height: 32px;
    text-align: center;
    padding: 75px 10px 0 10px;
}

.narrow_box.on:nth-child(odd) .img {
    top: 0;
}

.narrow_box.on .title {
    padding: 17px 10px 0 10px;
}

.home-three-title {
    background: url(../images/home/home-title2.png) no-repeat center;
    height: 99px;
    margin: 30px auto;
    display: flex;
    flex-direction: column;
}

.home-three-title p {
    font-size: 30px;
    font-weight: bold;
    color: #f00;
    text-align: center;
}
.home-four-title {
    background: url(../images/home/home-title2.png) no-repeat center;
    height: 99px;
    margin: 30px auto;
    display: flex;
    flex-direction: column;
}

.home-four-title p {
    font-size: 30px;
    font-weight: bold;
    color: #f00;
    text-align: center;
}
.nr_1 {
    width: 1200px;
    margin: 0 auto;
}

.nr_1 img {
    margin-bottom: 7px;
    margin-right: 7px;
    width: 395px;
    height: 264px;
    float: left;
}

.nr_2 {
    width: 1196px;
    margin: 0 auto;
}

.nr_2 img {
    margin-bottom: 3px;
    width: 296px;
    float: left;
    margin-right: 3px;
    height: 180px;
}

.nr_3 {
    width: 1196px;
    margin: 0 auto;
}

.nr_3 img {
    margin-bottom: 3px;
    width: 296px;
    float: left;
    margin-right: 3px;
    height: 180px;
}