@charset "utf-8";

/* CSS Document */

@media only screen and (max-width: 1680px) {
    .nav {
        width: 42%;
        margin-left: 16%;
    }
    .nav li {
        font-size: 16px;
    }
}

@media only screen and (max-width: 1640px) {
    .nav {
        margin-left: 18%;
    }
}

@media only screen and (max-width: 1550px) {
    .nav {
        width: 47%;
        margin-left: 9%;
    }
}

@media only screen and (max-width: 1440px) {
    .wrap_box {
        font-size: 14px;
    }
    .content {
        width: 1200px;
    }
    .nav {
        width: 47%;
        margin-left: 0;
    }
    .nav li {
        font-size: 14px;
    }
    .abot_tit h2 {
        font-size: 105px;
    }
    .abot_tit h4 {
        font-size: 63px;
    }
    .tit span {
        width: 74px;
        line-height: 84px;
    }
    .shop_tit {
        padding: 61px 0 167px;
    }
    .shop_more {
        height: 300px;
    }
    .shop_more img {
        margin-bottom: 32px;
    }
    .news_l {
        width: 50%;
    }
    .news_list li {
        margin-bottom: 37px;
    }
    .footer {
        margin-left: 26px;
    }
    .m_about_tit h2 {
        font-size: 80px;
    }
    .m_about_tit h4 {
        font-size: 54px;
    }
    .brand_list li {
        margin-right: 25px;
    }
    .brand_list li img {
        height: 291px;
    }
    .m_join_l h2 {
        font-size: 67px;
    }
    .join_more {
        width: 266px;
    }
    .about_num li {
        margin-right: 0;
    }
    .m_news_pic {
        height: 290px;
    }
    .m_news_con {
        padding: 0;
    }
    .m_news_txt {
        margin: 40px 0;
    }
    .m_pro li {
        margin: 0 16px 20px 0;
    }
    .m_progress li {
        width: 25%;
    }
    .m_progress li>div {
        width: 236px;
    }
    .m_youshi li p {
        font-size: 16px;
    }
    .m_tiaojian_l {
        line-height: 2;
        font-size: 20px;
    }
    .m_news_tit {
        font-size: 28px;
    }
    .shop_pic1 {
        height: 233px;
    }
    .shop_pic2 {
        height: 317px;
    }
    .shop_pic3 {
        height: 483px;
    }
    .shop_pic4 {
        height: 500px;
    }
    .news_tit {
        font: 16px;
    }
}