.index_product {
    max-width: 1640px;
    margin: 20px auto 0 auto;
    overflow: hidden;

}

.ip_title_en {
    font-size: 40px;
    color: #000;
    font-weight: bold;
    text-align: center;
}

.ip_title {
    font-size: 34px;
    color: #434343;
    font-weight: bold;
    text-align: center;
}

.class_item {
    display: flex;
    vertical-align: middle;
    align-items: center;
    margin-top: 10px;
}

.class_item .img {
    flex: 1;
}

.class_item .img img {
    width: 100%;
}

.class_item .text {
    flex: 1;
    color: #076741;
    font-size: 18px;
    margin: 30px;
}

.class_item .text div {
    font-size: 36px;
}

.class_item .text .more {
    display: inline-block;
    padding: 5px 10px;
    border: 2px solid #076741;
    border-radius: 5px;
    color: #076741;
}

.index_about {
    max-width: 1700px;
    height:600px;
    margin: 15px auto 0 auto;
    background-image: url("../image/about_bg.png");
}

.index_about_info {
    float:right;
    width: 50%;
    padding: 6% 15%;
    color: #fff;
}

.index_about_title_en {
    font-size: 30px;
}

.index_about_title {
    font-size: 18px;
}

.index_about_content {
    font-size: 14px;
    line-height:2;
}

.index_about_info > a {
    display: inline-block;
    border-radius: 5px;
    border: 1px solid #fff;
    color: #fff;
    font-size: 16px;
    padding: 8px 25px;
}

.index_news {
    max-width: 1640px;
    margin: 20px auto 0 auto;
    overflow: hidden;
}

.index_news_title_en {
    font-size: 40px;
    color: #000;
    text-align: center;
}

.index_news_title {
    font-size: 34px;
    color: #434343;
    text-align: center;
}

.index_news_list {
    margin-top: 15px;
    display: flex;
    vertical-align: middle;
    justify-content: space-between;
}

.index_news_list .item {
    width: 33%;
    overflow: hidden;
}

.index_news_list .item .content .img img {
    width: 100%;
}

.index_news_list .item .content {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.index_news_list .item .content .img {
    width: 100%;
}

.index_news_list .item .content .img img {
    width: 100%;
}

.index_news_list .item .content .txt {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(242, 242, 242, 1);
    transition: all 0.5s linear -1ms;
}

.index_news_list .item .content .txt .date {
    margin-left: 5%;
    margin-top: 4%;
    transition: all 0.3s linear -1ms;
}

.index_news_list .item .content .txt .date h3 {
    display: inline-block;
    font-weight: normal;
    font-size: 32px;
    color: #ccc;
}

.index_news_list .item .content .txt .date p {
    display: inline-block;
    margin-left: 2%;
    font-size: 16px;
    color: #ccc;
}

.index_news_list .item .content .txt .title {
    display: block;
    margin: 83px 25px 25px 25px;
    font-weight: normal;
    width: 90%;
    font-size: 18px;
    color: #333;
    height: 24px;
    overflow: hidden;
    transition: all 0.3s linear -1ms;
}

.index_news_list .item .content .txt span {
    margin-left: 5%;
    margin-right: 5%;
    display: block;
    width: 90%;
    color: #666;
    height: 42px;
    overflow: hidden;
    transition: all 0.3s linear -1ms;
}

.index_news_list .item .content .link {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.index_news_list .item .more {
    width: 100%;
    background: #f0f0f0;
}

.index_news_list .item:hover .content .txt {
    background-color: rgba(0, 0, 0, 0.4);
    transition: all 0.5s linear -1ms;
}

.index_news_list .item:hover .content .txt .date {
    margin-top: 5%;
    transition: all 0.3s linear -1ms;
}

.index_news_list .item:hover .content .txt .title {
    margin-top: 14%;
    color: #fff;
    transition: all 0.3s linear -1ms;
}

.index_news_list .item:hover .content .txt span {
    color: #f2f2f2;
    transition: all 0.3s linear -1ms;
}

.index_news_list .item:hover .more {
    background: #e8e8e8;
    transition: all 0.3s linear -1ms;
}

.index_news_list .item .more a {
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 8px 16px;
    color: #999;
}

@media (max-width: 768px) {
    .ip_title_en {
        font-size: 20px;
    }

    .ip_title {
        font-size: 18px;
    }

    .class_item .text {
        font-size: 18px;
    }

    .class_item .text div {
        font-size: 20px;
        line-height: 1.8em;
    }

    .class_item .text .more {
        display: inline-block;
        padding: 5px 8px 4px 8px;
        border: 1px solid #076741;
    }

    .class_item .text .more:hover {
        background-color: #076741;
        color: #fff;
    }

    .index_about {
        max-width: 768px;
        margin: 15px auto 0 auto;
        background-image: url("../image/about_bg.png");
    }

    .index_about_info {
        width: 100%;
        padding: 6% 10%;
        color: #fff;
        font-size: 16px;
        line-height: 1.8em;
    }

    .index_about_title_en {
        font-size: 20px;
        line-height: 1.8em;
    }

    .index_about_title {
        font-size: 19px;
        line-height: 1.8em;
    }

    .index_news_title_en {
        font-size: 20px;
    }

    .index_news_title {
        font-size: 19px;
    }

    .index_news_list {
        flex-flow: wrap;
    }

    .index_news_list .item {
        width: 100%;
    }

    .index_news_list .item .content .txt {
        background-color: transparent;
    }

    .index_news_list .item .content .txt .title,
    .index_news_list .item .content .txt span,
    .index_news_list .item .content .txt .date,
    .index_news_list .item .content .txt .date h3,
    .index_news_list .item .content .txt .date p {
        color: #fff;
        text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.8);
    }
}