@charset "UTF-8";

/* CSS Document */
a {
    text-decoration: none;
    color: inherit;
}

a:hover {
    text-decoration: none;
}

html,
body {
    margin: 0;
    padding: 0;
}

.content_main {
    margin: 0 auto;
    max-width: 1240px;
    min-width: 960px;
    position: relative;
}


.head_contain {
    background: url('../images/bg.png') no-repeat;
    background-size: 100% 100%;
    min-height: 550px;
    width: 100%;
}

.header {
    width: 100%;
    min-width: 960px;
    height: 630px;
}

.h_nav_box {
    background-color: #fff;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 10;
}

.h_n_b_zw {
    height: 84px;
}

.h_n_b_content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;

}

.logo {
    width: 160px;
}

.h_n_b_right .h_n_b_r_box {
    display: flex;
    align-items: center;

}

.h_n_b_r_item_box {
    font-weight: 400;
    font-size: 16px;
    color: #222831;
    margin-left: 56px;
    position: relative;
    height: 64px;
    line-height: 64px;
}

.h_n_b_r_item_box a {
    display: flex;
    align-items: center;
}

.h_n_b_r_item_box a img {
    width: 20px;
    height: 20px;
}

.h_n_b_r_item_box span {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.h_n_b_r_item_box span img {
    width: 20px;
    height: 20px;
    transition: all .3s;
    position: absolute;
    right: -22px;

}

.h_n_b_r_item_box_active {
    font-weight: 600;

}

.h_n_b_r_item_box_active::after {
    content: ' ';
    position: absolute;
    bottom: -10px;
    width: 66px;
    height: 4px;
    background-color: #397DEE;
    left: 50%;
    transform: translateX(-50%);
}

.h_n_b_dw_bxo {
    position: absolute;
    width: 100px;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 100%);
    box-shadow: 0 0 40px -10px rgba(0, 0, 0, 0.2);
    display: none;
    z-index: 12;
}

.h_n_b_dw_b_box {
    padding: 6px 15px;
    text-align: center;
    cursor: pointer;
    line-height: 30px;
    background: #fff;
    font-weight: 400;
}

.h_n_b_dw_b_box_active {
    color: #397DEE;
}

.h_n_b_dw_b_box a {
    justify-content: center
}

.h_n_b_dw_b_box:hover {
    color: #397DEE;
}

.h_n_b_r_item_box_prodct:hover>span>img {
    transform: rotate(180deg);
}

.h_n_b_r_item_box_prodct:hover>.h_n_b_dw_bxo {
    display: block;
}


.copyright {
    margin: 0 auto;
    margin-bottom: 20px;
    margin-top: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}