.banner {
    width: 100%;
    overflow: hidden;
}

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

.join {
    width: 100%;
    background-color: #f3f3f3;
}

.title {
    width: 100%;
    overflow: hidden;
    text-align: center;
    padding-top: 60px;
    margin-bottom: 30px;
}

.title h4 {
    font-size: 36px;
    color: #07aca2;
}

.title p {
    font-size: 14px;
    color: #999999;
}

.matter-list {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    padding-bottom: 90px;
}

.matter-list>ul>li {
    width: 31%;
    height: 260px;
    float: left;
    background-color: #fff;
    margin-left: 2%;
    margin-top: 16px;
    border-top: 4px solid #535353;
}

.matter-list>ul>li:hover {
    border-top: 4px solid #01aaa0;
    -moz-box-shadow: 0 4px 10px 5px #e8e8e8;
    -webkit-box-shadow: 0 4px 10px 5px #e8e8e8;
    box-shadow: 0 4px 10px 5px #e8e8e8;
}

.matter-list>ul>li h4 {
    font-size: 24px;
    color: #2a2a2a;
    text-align: center;
    margin-top: 24px;
    margin-bottom: 24px;
}

.join-words {
    width: 100%;
    height: 32px;
    overflow: hidden;
    margin-bottom: 10px;
}

.join-words h1 {
    float: left;
    padding: 0 20px 0 40px;
}

.join-words h1 img {
    vertical-align: bottom;
}

.join-words h2 {
    font-size: 14px;
    color: #999999;
    overflow: hidden;
    display: -webkit-box;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
	word-break:break-all;
	margin-right: 20px;
}
.join-words h2:hover{
    color: #01aaa0;
}


/* -------------------------PC端--------------------------- */

@media all and (max-width:1240px) {
    .matter-list {
        width: 100%;
    }
}


/* ------------------------手机端-------------------------- */

@media all and (max-width:900px) {
    .title h4 {
        font-size: 24px;
    }
    .matter-list {
        width: 96%;
        margin-left: 2%;
        padding-bottom: 40px;
    }
    .title {
        padding-top: 30px;
        margin-bottom: 20px;
    }
    .matter-list>ul>li {
        width: 100%;
        margin-left: 0%;
    }
    .matter-list>ul>li h4 {
        font-size: 20px;
    }
}