.index_title h1 {
    font-size: 60px;
    color: #fff;
    font-weight: normal;
    font-family: 'helveticaW01';
}

.index_bg {
    padding: 0 80px;
    width: 100%;
    box-sizing: border-box;
    margin-top: 140px;
}

.index_title {
    width: 420px;
}

.index_title_img {
    width: 60%;
}

.index_service_bg {
    padding: 0 80px;
    width: 100%;
    box-sizing: border-box;
}

.index_service_title h2 {
    font-size: 35px;
    font-weight: normal;
    color: #FCE012;
    margin-left: 15px;
}

.index_service_title {
    display: flex;
}

.index_service_describe p {
    font-size: 14px;
    color: #fff;
    width: 400px;
    font-family: Helvetica-Neue;
    line-height: 24px;
}

.index_service_box {
    display: flex;
    justify-content: space-between;
    height: 100px;
    padding: 25px 40px 15px 40px;
    /* border-top: 2px solid #FCE012; */
}
.index_service_line{
    width: 0;
    height: 2px;
    background-color: #FCE012;
}

.index_main_title h2 {
    font-size: 22px;
    color: #FCE012;
    font-weight: normal;
    padding-top: 20px;
}

.mt100x {
    margin-top: 100px;
}

.index_news_bg {
    padding: 0 80px;
    width: 100%;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-direction: column;
}

.index_news_bg {
    margin-top: 45px;
}

.index_news_card {
    height: 450px;
    width: 319px;
    border: 1px solid rgba(59, 59, 59, 0.75);
}

.index_news_box {
    margin-top: 50px;
    width: 980px;
    display: flex;
    justify-content: space-between;
}

.index_news_card img{
    width: 100%;
    height: 238px;
    cursor: pointer;
}
.index_news_content{
    padding: 20px 15px;
    box-sizing: border-box;
}
.index_news_content h3{
    margin-top: 15px;
    font-size: 22px;
    color: #fff;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3; 
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}
.index_news_date_author{
    display: flex;
}
.index_news_date_author span{
    display: inline-block;
    font-size: 12px;
    color: #fff;
}
.news_date{
    margin-left: 10px;
}
.index_news_content h3:hover{
    color: #FCE012;
}
.index_contact_way{
    position: fixed;
    right: 20px;
    top: 50%;
    display: flex;
    flex-direction: column;
}
.index_contact_way img{
    margin-bottom: 12px;
    cursor: pointer;
    width: 27px;
    height: 27px;
}

@keyframes expand {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}
.expand-animation {
    animation: expand 1s ease-in-out forwards;
}
@media screen and (max-width: 768px) {
    .index_contact_way{
        display: none;
    }
    .index_news_box{
        display: block;
    }
    .index_service_box{
        display: block;
    }
    .index_bg{
        display: block;
    }
    .index_news_box{
        width: auto;
        margin-top: 20px;
    }
    .index_title_img{
        width: 100%;
    }
    .index_title_img img{
        width: 100%;
    }
    .index_service_bg{
        padding: 0 20px;
        margin-top: 30px;
    }
    .index_service_box{
        padding: 30px 0;
        height: auto;
    }
    .index_service_describe p{
        width: 100%;
        margin-top: 30px;
        font-size: 18px;
        line-height: 30px;
    }
    .index_bg {
        padding: 0 20px;
        margin-top: 180px;
    }
    .index_title h1 {
        font-size: 42px;
    }
    .mt100x{
        margin-top: 40px;
    }
    .index_news_card{
        width: 100%;
    }
    .index_news_bg{
        padding: 0 20px;
        margin-top: 10px;
    }
    .index_news_card{
        margin-bottom: 15px;
    }
    .index_service_title h2 {
        font-size: 30px;
    }
    .index_title{
        width: 100%;
    }
}