body {
    position: relative;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* max-width: 1920px; */
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-feature-settings: 'tnum';
    font-variant: tabular-nums;
    letter-spacing: 1px;
}


/* @media screen and (min-width: 1201px) {
    .container_width{
        width: 1200px;
    }
} */


/* @media screen and (max-width: 1200px) {
    .container_width {
        width: 900px;
    }
} 

@media screen and (max-width: 901px) {
    .container_width {
        width: 560px;
    }
}
@media screen and (max-width: 500px) {
    .container_width {
        width: 300px;
    }
} */

.container_width {
    width: 1200px;
}

.to_top {
    position: fixed;
    bottom: 100px;
    right: 20px;
}

.cd-top {
    display: none;
}

.largeImg {
    position: relative;
    margin-bottom: 10px;
}

.large_wx {
    position: absolute;
    bottom: 0px;
    left: -160px;
    width: 150px;
    height: 150px;
    display: none;
}

.wx {
    width: 50px;
    height: 50px;
    cursor: pointer;
}

.backTop-list {
    display: flex;
    flex-direction: column;
}

.top_png {
    margin: 0 auto;
    margin-top: 80px;
    position: relative;
}

.top_png img {
    width: 100%;
}

.top_png_yd {
    margin: 0 auto;
    margin-top: 70px;
    position: relative;
}

.top_png_yd img {
    width: 100%;
}

.top_png_yd {
    margin-top: 70px;
    position: relative;
}

.top_png_yd_img {
    width: 100%;
}

.show {
    display: block;
}

.hide {
    display: none;
}

.main-container-yd {
    margin-top: 70px;
}

.rfid_asset {
    padding: 120px 0 100px 0;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

.rfid_asset_yd {
    background-color: #f7f9ff;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.rfid_asset_text1 {
    font-size: 36px;
    color: #000000;
}

.rfid_asset_text1_yd {
    font-size: 20px;
    color: #000000;
    font-weight: 600;
}

.rfid_asset_underline1 {
    width: 50px;
    height: 3px;
    background-color: #FFB640;
    margin-top: 15px;
}

.rfid_asset_text2 {
    font-size: 16px;
    color: #525252;
    margin-top: 15px;
}

.rfid_asset_text2_yd {
    font-size: 14px;
    color: #525252;
    margin-top: 10px;
}

.rfid_asset_main {
    display: flex;
    margin-top: 50px;
}

.rfid_asset_main_yd {
    display: flex;
    margin-top: 30px;
    width: 100%;
    overflow: scroll
}

.rfid_asset_main_item {
    width: 200px;
    height: 450px;
    box-sizing: border-box;
    border-radius: 8px;
}

.rfid_asset_main_item_yd {
    border-radius: 8px;
    background-size: cover;
}

.rfid_asset_main_item_show {
    width: 356px;
}

.rfid_asset_main_item1 {
    background: url('/new/imgs/index/model_four_img1.jpg');
}

.rfid_asset_main_item2 {
    background: url('/new/imgs/index/model_four_img2.jpg');
    margin-left: 10px;
}

.rfid_asset_main_item3 {
    background: url('/new/imgs/index/model_four_img3.jpg');
    margin-left: 10px;
}

.rfid_asset_main_item4 {
    background: url('/new/imgs/index/model_four_img4.png');
    margin-left: 10px;
}

.rfid_asset_main_item5 {
    background: url('/new/imgs/index/model_four_img5.png');
    margin-left: 10px;
}

.rfid_asset_main_text {
    padding: 70px 20px;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    background-color: rgba(0, 0, 0, 0.5);
}

.rfid_asset_main_text_yd {
    width: 365px;
    height: 450px;
    padding: 30px 20px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.3);
}

.rfid_asset_main_text_show {
    background-color: rgba(0, 0, 0, 0.15);
}

.rfid_asset_underline2 {
    width: 50px;
    height: 2px;
    background-color: #FFB640;
    margin: 20px 0;
}

.rfid_asset_title3 {
    font-size: 20px;
    color: #ffffff;
}

.rfid_asset_title3_yd {
    font-size: 16px;
    color: #ffffff;
}

.rfid_asset_title4 {
    font-size: 16px;
    line-height: 24px;
    color: #ffffff;
}

.rfid_asset_title4_yd {
    font-size: 14px;
    line-height: 24px;
    color: #ffffff;
}

.model_title {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 36px;
    color: #333333;
    line-height: 52px;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.model_title2 {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 29px;
    text-align: center;
    font-style: normal;
    text-transform: none;
    margin-top: 10px;
}


/* 功能介绍区域样式 */
.function_intro_bg {
    width: 100%;
    background-color: #F7F9FF;
    box-sizing: border-box;
    padding: 100px 0;
}

.function_intro {
    margin: 0 auto;
}

.function_container {
    margin-top: 112px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.function_row {
    display: flex;
    justify-content: space-between;
    gap: 45px;
    margin-bottom: 100px;
}

.function_row:last-child {
    margin-bottom: 0;
}

.function_item {
    flex: 1;
    background-color: #FFFFFF;
    border-radius: 10px;
    box-shadow: 0px 0px 15px 0px rgba(1, 146, 209, 0.15);
    padding: 60px 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.function_item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.function_icon {
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
}

.function_icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.function_name {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 700;
    font-size: 24px;
    color: #0192D1;
    line-height: 43px;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.function_list {
    width: 100%;
    text-align: center;
}

.function_list_item {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 32px;
    text-align: center;
    font-style: normal;
    text-transform: none;
}

.function_item_line {
    width: 100%;
    height: 1px;
    background-color: transparent;
    border-top: 1px dashed #999999;
    margin: 14px 0 26px 0;
}