body {
    background-color: #F3F3F2;
}

.banner {
    /* height: 70vh; */
    width: 100%;
    position: relative;
    margin-top: 60px;
}

.banner .banner_img {
    width: 100%;
    height: 70vh;
}

.banner_main {
    position: relative;
}

.banner_text {
    width: 100%;
}

.banner_t_box {
    background-color: #B4B1B1;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1px 2px;
}

.banner_tt {
    font-family: 'denmark', sans-serif;
    font-weight: normal;
    margin-left: 5px;
}

.banner_text {
    position: absolute;
    bottom: 0;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0 30px 0;
    width: 100%;
    background: linear-gradient(275.31deg, rgba(255, 255, 255, 0.3) 5.17%, rgba(86, 86, 86, 0.3) 55.66%);
    backdrop-filter: blur(50px);
}

.banner_title {
    font-size: 4vw;
    font-weight: 700
}

.product_nav {
    width: 80vw;
    margin: 5vw auto;
    color: #B4B1B1;
}

.main {
    width: 80vw;
    margin: 0 auto;
    padding: 0vw 0 4vw 0;
    display: flex;
    flex-direction: column;
    ;
    flex-wrap: wrap;
    justify-content: center;
}

.main_left {
    /* width: 16%; */
    /* border-right: 1px solid #B4B1B1; */
    min-width: 158px;
    border-bottom: 1px solid #c1c1c1;
    margin: 10px 0;
}

.menu {
    display: flex;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    justify-content: space-evenly;
}

.menu_item_title:hover {
    background-color: #EF9B5A33;
    border-radius: 2px;
    color: #EF9B5A;
    border-bottom: 2px solid #EF9B5A;
}

.main_right {
    margin-left: 3vw;
}

.menu_submenu {
    display: none;
}

.menu_submenu_item {
    color: #1A1A1A;
    margin: 7px 20px;
}

.menu_submenu_action {
    color: #EF9B5A;
}

.menu_submenu_item:hover {
    background-color: #EF9B5A33;
    cursor: pointer;
    color: #EF9B5A;
}

.menu_item {
    /* border-bottom: 1px solid #B4B1B1; */
}

.menu_item_title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    font-weight: bold;
    cursor: pointer;
    color: #1A1A1A;
}

.menu_action {
    color: #EF9B5A;
    border-bottom: 2px solid #EF9B5A;
}

.menuicon {
    width: 12px;
    height: 8px;
    display: inline-block;
    background-image: url(../img/n1.png);
    background-size: 100%;
    background-repeat: no-repeat;
}

.menuicon_action {
    background-image: url(../img/n1a.png);
}

.main_title {
    font-size: 3vw;
    padding: 4vw 0;
    text-align: center;
}

.main_content {
    background: #fff;
    max-width: 1200px;
    margin: 0 auto;
    /* height: 1000px; */
    width: 100%;
    padding: 3vw;
}

.main_title_fu {
    /* padding: 2vw; */
}

.main_contion img {
    width: 90% !important;
    margin: 0 auto;
    height: auto;
}

@media screen and (max-width: 1140px) and (min-width: 965px) {
    .product_nav {
        width: 93vw;
    }

    .main {
        width: 94vw;
    }
}

@media screen and (max-width: 964px) {
    .main {
        width: 90vw;
    }

    .main_left {
        width: 100%;
        position: sticky;
        top: 60px;
        background: #f3f3f2;
        z-index: 2;
        margin-bottom: 20px;
        border: 0;
    }

    .main_right {
        width: 100%;
    }
}

@media screen and (max-width: 799px) {}

@media screen and (max-width: 1023px) {
    .main_title {
        font-size: 32px;
    }

    .main_title_fu {
        font-size: 15px;
    }

    .banner .banner_img {
        height: auto;
    }

    .banner_t_box img {
        height: 10px;
    }

    .banner_title {
        font-size: 30px;
    }

    .banner_tt {
        font-size: 15px;
    }

    .banner_text {
        padding: 15px 0 15px 0;
    }
}