ul {
    list-style-type: none;
}

/* ::-webkit-scrollbar {
    display: none;
} */

@font-face {
    font-family: 'HarmonyOS_Sans_SC';
    src: url('../font/HarmonyOS_Sans_SC.woff2') format('woff2'),
        url('../font/HarmonyOS_Sans_SC.woff') format('woff'),
        url('../font/HarmonyOS_Sans_SC.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'HarmonyOS_Sans_SC';
    src: url('../font/HarmonyOS_Sans_SC_Medium.woff2') format('woff2'),
        url('../font/HarmonyOS_Sans_SC_Medium.woff') format('woff'),
        url('../font/HarmonyOS_Sans_SC_Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'HarmonyOS_Sans_SC';
    src: url('../font/HarmonyOS_Sans_SC_Bold.woff2') format('woff2'),
        url('../font/HarmonyOS_Sans_SC_Bold.woff') format('woff'),
        url('../font/HarmonyOS_Sans_SC_Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}


@font-face {
    font-family: 'HarmonyOS_Sans_SC';
    src: url('../font/HarmonyOS_Sans_SC_Light.woff2') format('woff2'),
        url('../font/HarmonyOS_Sans_SC_Light.woff') format('woff'),
        url('../font/HarmonyOS_Sans_SC_Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}


@font-face {  
    font-family: 'Poppins';  
    src: url('../font/Poppins-Regular.otf');
    font-weight: normal;  
    font-style: normal;
    font-display: swap;
}

@font-face {  
    font-family: 'Poppins';  
    src: url('../font/Poppins-Bold.otf');
    font-weight: bold;  
    font-style: normal;
    font-display: swap;
}

@font-face {  
    font-family: 'Poppins';  
    src: url('../font/Poppins-Light.otf');
    font-weight: 300;  
    font-style: normal;
    font-display: swap;
}

@font-face {  
    font-family: 'WorkSans';  
    src: url('../font/WorkSans-Regular.ttf');
    font-weight: normal;  
    font-style: normal;
    font-display: swap;
}

@font-face {  
    font-family: 'WorkSans';  
    src: url('../font/WorkSans-Bold.ttf');
    font-weight: bold;  
    font-style: normal;
    font-display: swap;
}

@font-face {  
    font-family: 'WorkSans';  
    src: url('../font/WorkSans-Light.ttf');
    font-weight: 300;  
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'AlimamaShuHeiTi-Bold';
    src: url('../font/AlimamaShuHeiTi-Bold.woff2') format('woff2'),
        url('../font/AlimamaShuHeiTi-Bold.woff') format('woff'),
        url('../font/AlimamaShuHeiTi-Bold.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}


@font-face {
    font-family: 'IBMPlexSans';
    src: url('../font/IBMPlexSans-Medium.woff2') format('woff2'),
        url('../font/IBMPlexSans-Medium.woff') format('woff'),
        url('../font/IBMPlexSans-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBMPlexSans';
    src: url('../font/IBMPlexSans-ExtraLight.woff2') format('woff2'),
        url('../font/IBMPlexSans-ExtraLight.woff') format('woff'),
        url('../font/IBMPlexSans-ExtraLight.ttf') format('truetype');
    font-weight: 200;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBMPlexSans';
    src: url('../font/IBMPlexSans-Light.woff2') format('woff2'),
        url('../font/IBMPlexSans-Light.woff') format('woff'),
        url('../font/IBMPlexSans-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBMPlexSans';
    src: url('../font/IBMPlexSans.woff2') format('woff2'),
        url('../font/IBMPlexSans.woff') format('woff'),
        url('../font/IBMPlexSans.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBMPlexSans';
    src: url('../font/IBMPlexSans-SemiBold.woff2') format('woff2'),
        url('../font/IBMPlexSans-SemiBold.woff') format('woff'),
        url('../font/IBMPlexSans-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBMPlexSans';
    src: url('../font/IBMPlexSans-Bold.woff2') format('woff2'),
        url('../font/IBMPlexSans-Bold.woff') format('woff'),
        url('../font/IBMPlexSans-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'IBMPlexSans';
    src: url('../font/IBMPlexSans-Thin.woff2') format('woff2'),
        url('../font/IBMPlexSans-Thin.woff') format('woff'),
        url('../font/IBMPlexSans-Thin.ttf') format('truetype');
    font-weight: 100;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Koulen';
    src: url('../font/Koulen-Regular.woff2') format('woff2'),
        url('../font/Koulen-Regular.woff') format('woff'),
        url('../font/Koulen-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}


* {
    margin: 0;
    padding: 0;
    font-family: "HarmonyOS_Sans_SC";
    font-weight: normal;
    box-sizing: border-box;
    color: #000;
}

body {
    --header-height: 140px;
}


.clear {
    clear: both;
}

a {
    text-decoration: none;
    color: inherit;
    font-size: inherit;
    cursor: pointer;
    font-family: inherit;
    font-weight: inherit;
    line-height: inherit;
}

span {
    color: inherit;
    font-size: inherit;
    font-family: inherit;
    font-weight: inherit;
    line-height: inherit;
}

strong {
    color: inherit;
    font-size: inherit;
    font-family: inherit;
    font-weight: bold;
    line-height: inherit;
}

input {
    background:none;
    outline:none;
    border:none;
}

textarea {
    resize: none;
    outline: none;
    border: none;
}


.content * {
    color: inherit;
    font-size: inherit;
    line-height: inherit;
    font-weight: inherit;
    font-family: inherit;
    background-color: transparent !important;
}

.content * {
    color: inherit;
    font-size: inherit;
    line-height: inherit;
    font-weight: inherit;
    font-family: inherit;
    background-color: transparent !important;
}

.content strong {
    font-weight: bold;
}

.content em {
    font-style: italic;
}


.content img {
    max-width: 100% !important;
    margin: 2em 0;
}

.content table {
    width: 100% !important;
    max-width: 100% !important;
    border: 1px solid #0f2341;
    border-collapse: collapse
}

.content table tr td {
    border: 1px solid #0f2341;
    padding: 0.4vw;
}



.indexBox {
    width: 100%;
    height: 100%;
    padding-top: 130px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
}

.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}

.wh100 {
    width: 100%;
    height: 100%;
}

.p0_9 {
    padding-left: 9.8vw;
    padding-right: 9.8vw;
}

.lp9 {
    padding-left: 9.8vw;
}

.rp9 {
    padding-right: 9.8vw;
}


.p0_8 {
    padding-left: 8.33vw;
    padding-right: 8.33vw;
}

.lp8 {
    padding-left: 8.33vw;
}

.rp8 {
    padding-right: 8.33vw;
}

.p0_14 {
    padding-left: 14.583vw;
    padding-right: 14.583vw;
}

.lp14 {
    padding-left: 14.583vw;
}

.rp14 {
    padding-right: 14.583vw;
}

.p3_0 {
    padding-top: calc(2.2vw + 16px);
    padding-bottom: calc(2.2vw + 16px);
}

.p4_0 {
    padding-top: calc(3.2vw + 20px);
    padding-bottom: calc(3.2vw + 20px);
}

.p6_0 {
    padding-top: calc(6.25vw);
    padding-bottom: calc(6.25vw);
}

.w100 {
    width: 100%;
    overflow: hidden;
}

.imgZoom {
    overflow: hidden;
}

.imgZoom img {
    transition: .6s;
}


.imgZoom:hover img {
    scale: 1.2;
}

.search_mask {
    display: none;
    position: fixed;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index:999999;
    top: 0;
    left: 0;
}

.search_mask div {
    width: 50px;
    height: 50px;
    position: absolute;
    right: 4vw;
    top: 6vw;
    border-radius: 50%;
    border: 1px solid #ffffff;
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.search_mask div span {
    font-size: 20px;
    transition: .3s;
    color: #ffffff;
}

.search_mask div:hover {
    border-color: #d1ad90;
}

.search_mask div:hover span {
    color: #d1ad90;
}

.view_video {
    display: none;
    position: fixed;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index:999999;
    top: 0;
    left: 0;
}

.view_video iframe {
    display: none;
}

.view_video video, .view_video iframe {
    position: absolute;
    width: 60%;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    height: 34vw;
    max-height: 90vh;
}

.view_video div {
    width: 50px;
    height: 50px;
    position: absolute;
    right: 50px;
    top: 50px;
    border-radius: 50%;
    border: 1px solid #ffffff88;
    color: #ffffff88;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: .3s;
}

.view_video div span {
    font-size: 20px;
    transition: .3s;
    color: #ffffff88;
}

.view_video div:hover {
    border-color: #fff;
}

.view_video div:hover span {
    color: #fff;
}

.search_mask form {
    width: 80%;
    display: flex;
    justify-content: space-between;
    background-color: #ffffff;
    border-radius: 50px;
    padding: 1% 30px;
    box-sizing: border-box;
    position: relative;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
}

.search_mask form input {
    width: 95%;
}

.search_mask form button {
    width: 3%;
    background-color: transparent;
    border: none;
    cursor: pointer;
}

.search_mask form button svg {
    width: 100%;
    min-width: 30px;
    height: auto;
}


.message_mask {
    display: none;
    position: fixed;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index:999999;
    top: 0;
    left: 0;
}

.message_mask .message_mask_close {
    width: 50px;
    height: 50px;
    position: absolute;
    right: 4vw;
    top: 4vw;
    border-radius: 50%;
    border: 1px solid #999;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.message_mask .message_mask_close span {
    font-size: 20px;
    transition: .3s;
    color: #999;
}

.message_mask .message_mask_close:hover {
    border-color: #fff;
}

.message_mask .message_mask_close:hover span {
    color: #fff;
}

.message_mask .order_right {
    max-width: 80vw;
    width: 1200px;
    max-height: 80vh;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    position: absolute;
}

.message_mask .order_right>h4 {
    color: #fff;
    font-weight: bold;
    margin-bottom: calc(0.8vw + 4px);
}

.header {
    overflow: visible;
    display: flex;
    flex-direction: column;
    height: var(--header-height);
    position: relative;
    z-index: 99999;
    transition: .4s;
    width: 100%;
    position: fixed;
    left: 0;
    top: 0;
}

.banner {
    /* min-height: var(--header-height); */
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: var(--header-height);
}

.header_top {
    display: flex;
    justify-content: space-between;
    height: 28.5%;
    background-color: #cb1511;
}

.header_bottom {
    display: flex;
    justify-content: space-between;
    flex: 1;
    align-items: center;
    background-color: #fff;
}

.header_top_left {
    display: flex;
    align-items: center;
    margin-right: calc(1.2vw + 6px);
}

.header_top_left p {
    color: #ede9df;
    margin-right: calc(1vw + 5px);
    font-family: "IBMPlexSans", "HarmonyOS_Sans_SC";
}

.header_top_left p:last-child {
    margin-right: 0;
}

.header_top_right {
    display: flex;
    align-items: center;
}

.header_logo {
    display: flex;
    align-items: center;
    height: 48%;
}

.header_logo img {
    height: 100%;
}

.header_nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    max-width: 977px;
    margin: 0 calc(1.6vw + 8px);
}

.header_nav li {
    margin: 0 calc(0.4vw + 2px);
    padding: calc(0.2vw + 1px) 0;
    position: relative;
}

.header_nav li::after {
    position: absolute;
    content: "";
    height: 1px;
    width: 0;
    bottom: 0;
    transform: translateX(-50%);
    left: 50%;
    display: block;
    background-color: #cb1511;
    transition: .4s;
}


.header_nav li a {
    color: #231f1f;
    line-height: 1;
    transition: .4s;
    text-transform: uppercase;
    padding: calc(0.2vw + 1px) 0;
}

.header_contact {
    padding: calc(0.4vw + 2px) calc(1vw + 5px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    border-radius: calc(0.4vw + 2px + 0.5em);
    line-height: 1;
    background-color: #cb1511;
    cursor: pointer;
    font-family: "IBMPlexSans", "HarmonyOS_Sans_SC";
}

.header_contact>span {
    transform: translateY(-0.04em);
}

.header_right {
    display: flex;
    align-items: center;
}

.header_right>span {
    height: 50%;
    width: 1px;
    background-color: rgba(255, 255, 255, 0.3);
    margin: 0 calc(0.3vw + 2px);
    margin-left: calc(0.6vw + 3px);
}

.header_search form {
    display: flex;
    align-items: center;
    width: 12.5em;
    background-color: rgba(255, 255, 255, 0.12);
    border-radius: calc(0.4vw + 2px + 1em);
    padding: calc(0.1vw + 1px) calc(0.4vw + 2px);
    
}

.header_search form input::placeholder {
    color: #fffd;
}

.header_search form input {
    min-width: 0;
    color: #ffffff;
    flex: 1;
    padding-right: calc(0.2vw + 1px);
    font-family: "IBMPlexSans", "HarmonyOS_Sans_SC";
}


.header_search form button {
    background-color: transparent;
    color: #ffffff;
    border: none;
    margin-left: calc(0.2vw + 2px);
    cursor: pointer;
}

.header_lang {
    display: flex;
    align-items: center;
    padding: calc(0.3vw + 2px) calc(0.4vw + 2px);
    color: #fff;
    position: relative;
    line-height: 1;
    border-radius: calc(1em + 0.3vw + 2px);
    cursor: pointer;
    transition: .4s;
    font-family: "IBMPlexSans", "HarmonyOS_Sans_SC";
}

.header_lang .icon-arr-down {
    color: inherit;
    transition: .4s;
}


.header_lang.active .icon-arr-down {
    transform: rotate(180deg);
}

.header_lang span {
    margin: 0 calc(0.2vw + 1px);
    user-select: none;
}

.header_lang .icon-arr-down {
    margin-left: 0;
}


.header_lang ul {
    position: absolute;
    width: 100%;
    left: 0;
    background-color: transparent;
    display: flex;
    flex-direction: column;
    border-radius: calc(0.4vw + 2px);
    top: calc(100% + 0.2em);
    height: 0;
    overflow: hidden;
    transition: .4s;
    opacity: 0;
}

.header_lang.active ul {
    height: calc(100% * var(--length));
    top: calc(100% + 0.4vw + 2px);
    top: calc(100% + 0.2em);
    opacity: 1;
    background-color: #cb1511;
    box-shadow: 0 1px calc(0.4vw + 2px) #fff5;
}

.header_lang ul li {
    -webkit-flex: 1;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: "IBMPlexSans", "HarmonyOS_Sans_SC";
}

.header_lang ul li>a {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.headerB {
    background-color: #fff;
}


.headerB .header_nav li a {
    color: #2e4358;
}

.header_nav li:hover a {
    color: #cb1511;
}

.header_nav li:hover::after {
    width: 100%;
}

.header_nav li.active a {
    color: #cb1511;
}

.header_nav li.active::after {
    width: 100%;
}


.header_more {
    display: none;
}


.sw-banner {
    position: relative;
}

.sw-banner-float {
    position: absolute;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-left: 2.08vw;
}

.sw-banner-float .swbtitle {
    padding: 1.04vw;
    position: relative;
    margin-bottom: 0.8vw;
    width: 42%;
}

.sw-banner-float .swbtitle::before {
    position: absolute;
    left: 0;
    top: 0;
    content: "";
    display: block;
    width: 1.35vw;
    height: 1.35vw;
    border-top: 1px solid #cb1511;
    border-left: 1px solid #cb1511;
}


.sw-banner-float .swbtitle::after {
    position: absolute;
    right: 0;
    bottom: 0;
    content: "";
    display: block;
    width: 1.35vw;
    height: 1.35vw;
    border-right: 1px solid #cb1511;
    border-bottom: 1px solid #cb1511;
}

.sw-banner-float .swbtitle h5 {
    font-size: 1.2vw;
    color: #cb1511;
    font-family: "AlimamaShuHeiTi-Bold";
    font-weight: bold;
    margin-bottom: 0.8vw;
}

.sw-banner-float .swbtitle h4 {
    font-size: 1.8vw;
    color: #cb1511;
    font-family: "AlimamaShuHeiTi-Bold";
    font-weight: bold;
}

.sw-banner-float p {
    color: #0e0202;
    margin-bottom: 2.6vw;
    font-size: 0.9vw;
    padding-left: 1.04vw;
    line-height: 1.6;
    width: 42%;
}



.more_button {
    color: #cb1511;
    border: 1px solid #cb1511;
    padding: 0.6em 1.2em;
    line-height: 1;
    border-radius: 1.2em;
    transition: .4s;
    display: block;
    width: max-content;
}

.more_button:hover {
    background-color: #cb1511;
    color: #fff;
}

.sw-banner-float .more_button {
    padding: 0.6em 2em;
    font-size: 0.83vw;
    margin-left: 1.04vw;
}

.ititle {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    position: relative;
    height: 3em;
    z-index: 1;

}

.ititle>span {
    font-size: 2.738em;
    text-transform: uppercase;
    color: rgba(203, 21, 17, 0.08);
    position: absolute;
    z-index: -1;
    top: 0;
    transform: translateX(-50%);
    left: 50%;
    font-family: "Koulen";
    text-align: center;
    line-height: 1;
}

.ititle>h4 {
    font-weight: bold;
    font-size: inherit;
    text-align: center;
}

.advantage {
    background-image: url(../images/iadvb.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: bottom center;
    display: flex;
    flex-direction: column;
    align-items: center;
    
}

.advantage .ititle {
    margin-bottom: calc(1vw + 5px);
}

.advantage>p {
    text-align: center;
    color: #cb1511;
    margin-bottom: calc(2.4vw + 12px);
    width: 50%;
    font-weight: 500;
}

.advantage_ {
    display: flex;
    justify-content: space-between;
}

.advantage_box {
    display: flex;
    flex-direction: column;
    padding: calc(1.2vw + 6px);
    box-shadow: 0 0.1vw calc(0.3vw + 1px) #e4b9b8;
    border-radius: calc(0.6vw + 2px);
    background: linear-gradient(to right, #f5f5f5, #f5f5f500);
    width: 23.5%;
    padding-bottom: calc(2.4vw + 12px);
    transition: .4s;
}

.advantage_box:hover {
    transform: translateY(calc(-1vw - 5px));
}

.advantage_box:first-child {
    position: relative;
    top: calc(-3vw - 15px);
}

.advantage_box:last-child {
    position: relative;
    top: calc(-3vw - 15px);
}


.advantage_box .aimg {
    height: 1em;
    margin-bottom: calc(1vw + 5px);
}

.advantage_box .aimg img {
    height: 100%;
}

.advantage_box h3 {
    font-weight: bold;
    margin-bottom: calc(1vw + 5px);
}

.advantage_box .content {
    line-height: 1.75;
}

.products {
    display: flex;
}

.products_left {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    width: 24%;
    background-color: #cb1511;
    flex-shrink: 0;
}

.products_left .ititle {
    margin-bottom: calc(3vw + 15px);
}

.products_left .ititle h4 {
    color: #fff;
}

.products_left .ititle>span {
    color: rgba(255, 255, 255, 0.08);
}

.products_nav {
    display: flex;
    flex-direction: column;
}

.products_nav a {
    text-align: center;
    padding: 0.8em 1.2em;
    border-radius: 1.3em;
    line-height: 1;
    min-width: 13.23vw;
    color: #fff;
    margin-bottom: calc(1.2vw + 6px);
    transition: .2s;
    border: 1px solid transparent;
}

.products_nav a:hover {
    border: 1px solid #fff;
}

.products_nav a.active {
    border: 1px solid #fff;
}

.products_right {
    position: relative;
    width: 76%;
    padding-left: 3%;
}

.products_right .swiper {
    width: 100%;
}

.products_right_ {
    
}


.products_title {
    display: flex;
    align-items: last baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: calc(1vw + 5px);
}

.products_title h3 {
    font-weight: bold;
    margin-right: calc(1.2vw + 6px);
}

.products_title_left {

}

.products_title_right {
    display: flex;
    align-items: center;

}

.sw-btn {
    display: flex;
    align-items: center;
}

.sw-btn>div {
    margin-left: calc(0.8vw + 4px);
    font-family: "Koulen";
    border: 1px solid #cb1511;
    line-height: 0.4em;
    padding: 0.24em 0.3em;
    border-radius: 0.44em;
    color: #cb1511;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: .4s;
    user-select: none;
    overflow: hidden;
}

.sw-btn>div>span {
    transform: translateY(0.04em);
}

.sw-btn>div:hover {
    background-color: #cb1511;
    color: #fff;
}

.products_ {
    display: flex;
    flex-wrap: wrap;
    height: auto;
}

.products_box {
    width: 23.5%;
    margin-right: 2%;
    margin-bottom: calc(1.2vw + 6px);
    display: flex;
    flex-direction: column;
}

.products_box:nth-child(4n) {
    margin-right: 0;
}

.products_box .pimg {
    height: 13.49vw;
    margin-bottom: calc(0.6vw + 3px);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #cbcbcb;
    transition: border-color .2s;
}


.products_box:hover .pimg {
    border-color: #cb1511;
}

.products_box .pimg img {
    max-width: 100%;
    max-height: 100%;

}

.products_box .ptext {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.products_box .ptext h2 {
    line-height: 1.6;
    margin-bottom: calc(0.4vw + 2px);
    flex: 1;
    transition: color .2s;
}

.products_box:hover .ptext h2 {
    color: #cb1511;
}


.products_box .ptext span {
    font-family: "Koulen";
    color: #828181;
    transition: color .2s;
}

.products_box:hover .ptext span {
    color: #cb1511;
}

.application {
    background-image: url(../images/iapb.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.application_ {
    width: 91.9%;
    margin: 0 auto;
}

.application_ .ititle {
    margin-bottom: calc(1vw + 5px);
    padding-bottom: calc(1vw + 5px);
    position: relative;
}

.application_ .ititle::after {
    content: "";
    display: block;
    position: absolute;
    transform: translateY(-50%);
    left: 0;
    top: 100%;
    width: calc(4vw + 20px);
    height: calc(0.15vw + 1px);
    background-color: #bb1310;
}

.application_ .ititle>span {
    color: rgba(203, 21, 17, 0.08);
    transform: translateX(0);
    left: 0;
    text-align: left;
}

.application_ .ititle>h4 {
    color: #fff;
    text-align: left;
    width: 100%;
    font-style: italic;
}

.application_ .atext {
    margin-bottom: calc(1.6vw + 8px);
}

.application_ .atext p {
    color: #fff;
    line-height: 2;
    margin-bottom: calc(0.4vw + 2px);
}

.application_ .atext p span {
    color: #cb1511;
    font-weight: 500;
}

.application_ .more_button {
    margin-left: 0;
    background-color: #cb1511;
    color: #fff;
    padding: 0.6em 2em;
}

.about {
    display: flex;
}

.about_left {
    width: 51.56%;
    padding-bottom: calc(1.5vw + 2px);
    background-color: #cb1511;
}

.about_right {
    flex: 1;
}

.about_right img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about_left_ {
    width: 100%;
    height: 100%;
    background-color: #fff;
    padding-right: 6.25vw;
    position: relative;
    padding-top: 5.2vw;
    padding-bottom: 5.2vw;
    z-index: 1;
}

.about_left_::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-image: url(../images/ialb1.png);
    background-repeat: no-repeat;
    background-position: left top;
    background-size: 6.77vw auto;
    z-index: -1;
}

.about_left_::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-image: url(../images/ialb2.png);
    background-repeat: no-repeat;
    background-position: calc(100% + 2.4vw) calc(100% - 0.52vw);
    background-size: 10.41vw auto;
    z-index: -1;
}

.about_left_ .ititle {
    margin-bottom: calc(1vw + 5px);
}

.about_left_ .ititle>span {
    transform: translateX(0);
    left: 0;
    text-align: left;
}

.about_left_ .ititle>h4 {
    text-align: left;
    width: 100%;
}

.about_left_>p {
    color: #cb1511;
    margin-bottom: calc(1.2vw + 6px);
    font-weight: 500;
}

.about_left_ .content {
    line-height: 1.78;
    margin-bottom: calc(1.6vw + 8px);
}

.more_button2 {
    font-family: "Koulen";
    padding: 1em 1.8em;
    position: relative;
    z-index: 1;
    line-height: 1.2;
    color: #828181;
    display: flex;
    align-items: center;
    width: max-content;
    padding-right: 0;
}

.more_button2::before {
    position: absolute;
    content: "";
    left: 0;
    top: 0;
    display: block;
    height: 3.2em;
    width: 3.2em;
    /* border: 1px solid #828181;
    border-radius: 50%; */
    z-index: -1;

    mask-image: url(../images/m2b.png);
    mask-repeat: no-repeat;
    background-color: #828181;
    mask-position: center;
    mask-size: auto 100%;
}

.more_button2 span {
    display: block;
    padding-top: 0.16em;
}

.news {
    background-color: #F5F5F5;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.news .ititle {
    margin-bottom: calc(1.2vw + 6px);
}

.news>p {
    font-weight: 500;
    color: #cb1511;
    text-align: center;
    margin-bottom: calc(1.6vw + 8px);
}

.news_ {
    display: flex;
    margin-bottom: calc(2.4vw + 12px);
}

.news_left {
    width: 46.5%;
    margin-right: 1.5%;
    display: flex;
    flex-shrink: 0;
}

.news_left .news_box {
    width: 100%;
    position: relative;
    z-index: 1;
}

.news_left .news_box::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 69.56%;
    background: linear-gradient(to top, rgba(203, 21, 17, 1), rgba(203, 21, 17, 0));
    z-index: -1;
}


.news_left .news_box .ntext .more_button2 {
    color: #fff;
}

.news_left .news_box .ntext .more_button2::before {
    background-color: #fff;
}

.news_left .news_box .ntext h2 {
    color: #fff;
}

.news_left .news_box .ntext p {
    color: #fff;
}

.news_right {
    display: flex;
    justify-content: space-between;
}

.news_right .news_box {
    width: 48.6%;
}

.news_box {
    border-radius: calc(0.11vw + 2px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: calc(1vw + 5px);
    background-color: #fff;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    transition: .4s;
}

.news_box .ndate {
    font-family: "Koulen";
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: max-content;
    text-shadow: -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff, 1px 1px 0 #fff;
    line-height: 1;
    color: #cb1511;
}

.news_box .ndate p {
    font-size: inherit;
    text-align: center;
    font-family: inherit;
    line-height: inherit;
    color: inherit;
}

.news_box .ndate span {
    text-align: center;
    font-size: 2.93em;
    margin-bottom: -0.06em;
}

.news_box .nimg {
    height: 10.94vw;
    margin: calc(0.8vw + 4px) 0;
}

.news_box .nimg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news_box .ntext {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news_box .ntext h2 {
    font-weight: 500;
    margin-bottom: calc(0.4vw + 2px);
    color: #050000;
}

.news_box .ntext p {
    line-height: 1.5;
    font-size: "#383131";
    margin-bottom: calc(0.8vw + 4px);
    flex: 1;
}

.news_box:hover {
    box-shadow: 0 1px calc(0.8vw + 4px) rgba(160, 160, 160, 0.4);
}

.foot {
    background-color: #130B0B;
}

.foot_top {
    padding-top: calc(2vw + 10px);
    padding-bottom: calc(2vw + 10px);
    display: flex;
    justify-content: space-between;
}

.foot_top_box {
    padding: 2vw 4.6vw;
    border-right: 1px solid #2b2424;

}

.foot_top_box:first-child {
    padding-left: 0;
}

.foot_top_box:last-child {
    padding-right: 0;
    border-right: none;
}

.foot_top_box1>p {
    color: #fff;
    display: flex;
    align-items: center;
    margin-bottom: calc(0.6vw + 3px);
}

.foot_top_box1>p>.iconfont {
    margin-right: calc(0.2vw + 2px);
}

.foot_wechat {
    width: calc(6vw + 28px);
}

.foot_wechat img {
    width: 100%;
    margin-bottom: calc(0.4vw + 2px);
}

.foot_wechat p {
    color: #fff;
}

.foot_hotline span {
    color: #fff;
    display: block;
    margin-bottom: calc(0.4vw + 2px);
    letter-spacing: 0.1em;
}

.foot_hotline p {
    font-family: "Koulen";
    color: #fff;
    line-height: 1.4;
    letter-spacing: 0.12em;
}

.foot_top_box2 .foot_hotline {
    margin-bottom: calc(0.4vw + 2px);
}

.foot_top_box2>p {
    color: #fff;
    margin-bottom: calc(0.2vw + 2px);
}

.foot_top_box3 {
    display: flex;
    width: 52%;
    flex-shrink: 0;
}

.foot_top_box3_left {
    display: flex;
    width: 50%;
    max-height: calc(7vw + 35px);
}

.foot_top_box3_left .line {
    display: flex;
    flex-direction: column;
    color: #fff;
    flex: 1;
    margin-right: calc(1vw + 5px);
    justify-content: space-between;
}

.foot_top_box3_left .line a {
    margin-bottom: calc(0.6vw + 3px);
    line-height: 1.06;
    white-space: nowrap;
}

.foot_top_box3_right  {
    flex: 1;
    display: flex;
    max-height: calc(7vw + 35px);
}

.foot_nav {
    margin-left: calc(1vw + 5px);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.foot_nav>a {
    color: #fff;
    margin-bottom: calc(1vw + 5px);
    line-height: 1.06;
    white-space: nowrap;
}

.foot_nav_ {
    display: flex;
    flex: 1;
}

.foot_nav_ .line {
    display: flex;
    flex-direction: column;
    color: rgba(255, 255, 255, 0.8);
    flex: 1;
    margin-right: calc(1vw + 5px);
    justify-content: space-between;
}

.foot_nav_ .line:last-child {
    margin-right: 0;
}

.foot_nav_ .line a {
    margin-bottom: calc(0.6vw + 3px);
    line-height: 1.2;
}

.foot_bottom {
    display: flex;
    align-items: last baseline;
    flex-wrap: wrap;
    padding-top: calc(0.8vw + 4px);
    padding-bottom: calc(0.8vw + 4px);
    border-top: 1px solid #2b2424;
}

.foot_bottom p {
    margin: calc(0.1vw + 1px) 0;
    margin-right: calc(1.6vw + 8px);
    color: #fff;
}

.foot_bottom p:last-child {
    margin-right: 0;
}

.banner_float {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(to right, rgba(203, 21, 17, 1) 2.6%, rgba(203, 21, 17, 0.7) 34%, rgba(203, 21, 17, 0) 82%);
    font-size: 2.1875vw;
}


.banner_float .ititle {
    margin-bottom: calc(0.8vw + 4px);
}


.banner_float .ititle span {
    width: 100%;
    text-align: left;
    color: rgba(255, 255, 255, 0.08);
}

.banner_float .ititle h4 {
    width: 100%;
    text-align: left;
    color: #fff;
}

.banner_float>p {
    color: #fff;
    font-weight: 300;
}

.ntitle {
    display: flex;
    flex-direction: column;
    position: relative;
    margin-bottom: calc(1.6vw + 8px);
    padding-bottom: calc(1.2vw + 6px);
}

.ntitle span {
    font-family: "Koulen";
    font-size: 1.83em;
    color: rgba(203, 21, 17, 0.08);
    text-transform: uppercase;
    line-height: 1;
    margin-bottom: calc(0.2vw + 2px);
}

.ntitle h4 {
    font-weight: bold;
    margin-bottom: calc(0.6vw + 3px);
}

.ntitle p {
    font-weight: 500;
    color: #cb1511;
    font-size: 0.66em;
}

.ntitle::after {
    position: absolute;
    content: "";
    display: block;
    top: 100%;
    left: 0.03em;
    transform: translateY(-50%);
    height: calc(0.06vw + 1px);
    width: calc(1vw + 5px);
    background-color: #cb1511;
}

.profile {
    display: flex;
    background-image: url(../images/ialb1.png);
    background-repeat: no-repeat;
    background-position: right top;
    background-size: 10.42%;
}

.profile_left {
    width: 52%;
    margin-right: 2%;
}

.profile_left .content {
    line-height: 1.75;
}

.profile_right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(0.6vw + 3px) calc(2vw + 10px);
}

.profile_right img {
    width: 100%;
}

.ourproducts {
    display: flex;
    align-items: center;
}

.ourproducts_left {
    width: 51.4%;
    margin-left: 1.04vw;
    background-color: #CB1612;
}

.ourproducts_right {
    padding-left: 2.6%;
    flex: 1;
}

.ourproducts_left img {
    width: 100%;
    transform: translate(-1.04vw, -1.04vw);
}

.ourproducts_right .content {
    line-height: 2.25;
    margin-bottom: calc(1.6vw + 8px);
}

.ourproducts_right .more_button {
    margin-left: 0;
}

.equipment {
    background-color: #F9F9F9;
    padding-bottom: 0 !important;
}

.equipment .ntitle {
    padding-bottom: 0;
}

.equipment .ntitle span {
    text-align: center;
}

.equipment .ntitle h4 {
    text-align: center;
}

.equipment .ntitle::after {
    display: none;
}

.equipment_box {
    height: 21.61vw;
}

.equipment_box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.development {
    background-image: url(../images/adb.jpg);
    background-repeat: no-repeat;
    background-size: 100% auto;
    background-position: bottom;
    background-color: #F9F9F9;
    display: flex;
}

.development_left {
    width: 47.4%;
    flex-shrink: 0;
    padding-right: 0 !important;

}

.development_left .content {
    line-height: 1.75;
    margin-bottom: calc(1.6vw + 8px);
}

.development_right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.development_right img {
    max-width: 100%;
    max-height: 100%;
}


.page {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: calc(0.8vw + 4px);
    line-height: 1;
}

.page>a {
    margin: 0 calc(0.2vw + 1px);
    width: 1.6em;
    height: 1.6em;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Poppins";
    
}

.page>a:hover {
    color: #cb1713;
}

.page>a.page-num-current {
    font-weight: bold;
    background-color: #cb1713;
    color: #fff;
}

.productlist {
    display: flex;
}

.productlist_left {
    width: 17%;
    margin-right: 4.375%;
    flex-shrink: 0;
}

.productlist_right {
    flex: 1;
}

.productlist_nav {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.productlist_nav_box {
    display: flex;
    flex-direction: column;
}

.productlist_nav_box a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: .2s;
    line-height: 1.2;
}

.productlist_nav_box a .narr {
    font-family: "Poppins";
    color: #999999;
    line-height: 1;
}

.productlist_nav_box>a {
    border-bottom: 1px solid #f1f1f1;
    padding: calc(0.8vw + 4px);
}

.productlist_nav_box>a:hover {
    color: #cb1713;
}

.productlist_nav_box>a:hover .narr {
    color: #cb1713;
}

.productlist_nav_box:first-child {
    border-top: 1px solid #f1f1f1;
}

.productlist_nav2 {
    /* padding: calc(0.6vw + 3px) 0; */
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 0;
    border: 1;
    transition: .4s;
    justify-content: center;
}

.productlist_nav2_box>a {
    padding: calc(0.4vw + 2px) calc(0.8vw + 4px);
    color: #555555;
}

.productlist_nav2_box>a:hover {
    color: #cb1713;
}

.productlist_nav2_box>a:hover .narr {
    color: #cb1713;
}

.productlist_nav_box.active>a {
    color: #cb1713;
}
.productlist_nav_box.active>a .narr {
    color: #cb1713;
}

.productlist_nav2_box.active>a {
    color: #cb1713;
}

.productlist_nav2_box.active>a .narr {
    color: #cb1713;
}

/* .productlist_nav_box:hover .productlist_nav2 {
    height: calc((2em + 0.8vw + 4px) * var(--length) + 1.2vw + 6px);
    padding: calc(0.6vw + 3px) 0;
}

.productlist_nav_box.active .productlist_nav2 {
    height: calc((2em + 0.8vw + 4px) * var(--length) + 1.2vw + 6px);
    padding: calc(0.6vw + 3px) 0;
} */

.productlist_title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: calc(1.2vw + 6px);
}

.productlist_title h3 {
    font-weight: bold;
}

.productlist_ {
    display: flex;
    flex-wrap: wrap;
}

.productlist_search form {
    border: 1px solid #CB1713;
    display: flex;
    width: calc(16vw + 80px);
}

.productlist_search form input {
    min-width: 0;
    flex: 1;
    padding: 0 calc(0.8vw + 4px);
}

.productlist_search form button {
    display: flex;
    align-items: center;
    color: #fff;
    background-color: #CB1713;
    padding: calc(0.4vw + 2px);
    border: none;
    line-height: 1;
    cursor: pointer;
}

.productlist_search form button .iconfont {
    margin-right: calc(0.2vw + 1px);
}


.position {
    display: flex;
    align-items: first baseline;
    background-color: #f4f4f4;
    padding-top: calc(0.4vw + 2px);
    padding-bottom: calc(0.4vw + 2px);
}

.position .iconfont {
    color: #8e8e8e;
    margin-right: calc(0.4vw + 2px);
    opacity: 0.28;
}

.position p {
    color: #8e8e8e;
    display: flex;
    align-items: last baseline;
    flex-wrap: wrap;
}

.position p span {
    margin: calc(0.2vw + 1px);
}

.position p strong {
    color: #010101;
    font-weight: normal;
}

.product_top {
    display: flex;
}

.product_top_left {
    width: 58.8%;
    flex-shrink: 0;
    margin-right: 3.2%;
    display: flex;
    flex-direction: column;
}

.product_top_right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.product_top_right img {
    max-width: 100%;
    max-height: 100%;
}

.product_title {
    display: flex;
    align-items: last baseline;
    padding-bottom: calc(1vw + 5px);
    margin-bottom: calc(0.8vw + 4px);
    position: relative;
    flex-wrap: wrap;
}

.product_title h1 {
    font-weight: bold;
    margin-right: calc(0.6vw + 3px);
}

.product_title span {
    color: #cb1713;
}

.product_title::after {
    content: "";
    display: block;
    left: 0;
    top: 100%;
    transform: translateY(-50%);
    height: 0.1vw;
    min-height: 1px;
    width: calc(0.7vw + 4px);
    background-color: #cb1713;
    position: absolute;
}

.product_intro {
    flex: 1;
    line-height: 1.75;
    margin-bottom: calc(1vw + 5px);
}

.product_tel {
    display: flex;
    align-items: last baseline;
    margin-bottom: calc(1.2vw + 6px);
}

.product_tel>span {
    color: #999999;
}

.product_tel>p {
    color: #d9271c;
    font-family: "Koulen";

}

.product_btn {
    display: flex;
    flex-wrap: wrap;
}

.product_btn>a {
    display: flex;
    align-items: center;
    margin-right: calc(1vw + 5px);
    color: #fff;
    background-color: #d9271c;
    padding: calc(0.4vw + 2px) calc(1.2vw + 6px);
    border-radius: calc(0.4vw + 2px + 0.75em);
    line-height: 1;
}

.product_btn>a>.iconfont {
    margin-left: calc(0.4vw + 2px);
}

.product_btn>a:last-child {
    margin-right: 0;
}

.product {
    background-color: #F4F4F4;
    padding-top: calc(1.2vw + 6px);
}

.product>h4 {
    font-weight: bold;
    line-height: 1;
    padding-bottom: calc(1vw + 5px);
    margin-bottom: calc(1vw + 5px);
    position: relative;
    width: 100%;
}

.product>h4::after {
    top: 100%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    height: 1px;
    background-color: #d9271c;
    content: "";
    display: block;
    position: absolute;
}

.product_content {
    line-height: 1.75;
}

.product_content p {
    margin-bottom: calc(0.35em);
}

.product_content table {
    border-collapse: collapse; 
    width: 100%;
    
}

.product_content table tr td {
    border: 1px solid #ccc;
    padding: calc(0.4vw + 2px);
}

.product_related_title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: calc(1vw + 5px);
}

.product_related_title h4 {
    font-weight: bold;
    margin-right: calc(1vw + 5px);
}

.newslist {
    background-color: #F5F5F5;
}

.newslist_ {
    display: flex;
    flex-wrap: wrap;
}


.newslist_ .newslist_box {
    margin-right: 1.6%;
    margin-bottom: 1.6%;
    width: 23.8%;
}

.newslist_ .newslist_box:nth-child(4n) {
    margin-right: 0;
}

.news_detail {
    display: flex;
    background-color: #F5F5F5;
}

.news_detail_left {
    width: 70%;
    margin-right: 3.6%;
    flex-shrink: 0;
}


.news_detail_right {
    flex: 1;
}

.news_detail_title {
    position: relative;
    padding-bottom: calc(0.8vw + 4px);
    margin-bottom: calc(1vw + 5px);
    width: 100%;
}

.news_detail_title::after {
    top: 100%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    height: 1px;
    background-color: #dcdcdc;
    content: "";
    display: block;
    position: absolute;
}

.news_detail_title>span {
    color: #d9271c;
    font-weight: bold;
    display: block;
    line-height: 1;
    margin-bottom: calc(1.2vw + 6px);
}

.news_detail_title>h1 {
    
}

.news_detail_content {
    line-height: 1.625;

}

.news_detail_content p {
    margin-bottom: 0.35em;
}

.news_detail_right {
    display: flex;
    flex-direction: column;
}


.news_detail_page {
    padding: calc(0.8vw + 4px);
    background-color: #fff;
    margin-bottom: calc(0.8vw + 4px);
    border-radius: calc(0.1vw + 2px);
    transition: .4s;
}

.news_detail_page:hover {
    box-shadow: 0 1px calc(0.8vw + 4px) rgba(160, 160, 160, 0.4);
}

.news_detail_page>div {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: calc(0.6vw + 3px);
}

.news_detail_page>div>span {
    color: #999999;
    margin-right: calc(0.6vw + 3px);
}

.news_detail_page>div>span:last-child {
    margin-right: 0;
}

.news_detail_page>h2 {
    font-weight: bold;
}

.news_detail_right .news_detail_box {
    margin-bottom: calc(0.8vw + 4px);
    padding: calc(0.8vw + 4px);
}

.news_detail_right .news_detail_box .ndate {
    margin-bottom: calc(0.4vw + 2px);
}

.news_detail_right .news_detail_box .ntext h2 {
    margin-bottom: calc(0.4vw + 2px);
}

.news_detail_right .news_detail_box .ntext p {
    margin-bottom: 0;
}

.order {
    display: flex;
    background-color: #F5F5F5;
    position: relative;
    z-index: 1;
}

.order::after {
    position: absolute;
    content: "";
    display: block;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-image: url(../images/olb.png);
    background-repeat: no-repeat;
    background-size: 41.66% auto;
    background-position: 0 calc(100% + 3.64vw);
    z-index: -1;
}

.order_left {
    width: 35%;
    margin-right: 4.6%;
}

.order_left .content {
    line-height: 2.278;
    font-weight: bold;
}

.order_right {
    flex: 1;
}

.order_right form .line {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-bottom: calc(0.8vw + 4px);
}

.order_right form .line input {
    flex: 1;
    min-width: 0;
    background-color: #fff;
    padding: 1em;
    margin-right: calc(0.8vw + 4px);
}

.order_right form .line input:last-child {
    margin-right: 0;
}

.order_right form .line textarea {
    width: 100%;
    padding: 1em;
    margin-bottom: calc(0.6vw + 3px);
    height: 13.875em;
}

.order_right form button {
    background-color: #cb1713;
    color: #fff;
    border: none;
    height: 3.1em;
    width: 10.75em;
    line-height: 1;
    max-width: 100%;
    cursor: pointer;
    font-weight: bold;
}

.servive_top .ntitle {
    align-items: center;
}

.servive_top .ntitle h4 {
    text-align: center;
}

.servive_top .ntitle span {
    text-align: center;
}

.servive_top .ntitle::after {
    left: 50%;
    transform: translateX(-50%);
}

.servive_top .content>p {
    width: 86%;
    margin: 0 auto;
}

.servive_top .content table {
    border: none;
}

.servive_top .content table tr td {
    border: none;
}

.servive {
    background-color: #F9F9F9;
    display: flex;
}

.servive_left {
    padding-right: 2%;
    width: 40%;
    flex-shrink: 0;
}

.servive_right {
    flex: 1;
    font-size: 0;
}

.servive_right img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.servive_left .content {
    margin-bottom: calc(2vw + 10px);
}

.contact_ {
    display: flex;
    flex-wrap: wrap;
}

.contact_box {
    width: 32%;
    margin-right: 2%;
    margin-bottom: 2%;
    background-color: #FDF6F6;
    padding: calc(1.8vw + 9px);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.contact_box:nth-child(3n) {
    margin-right: 0;
}

.contact_box .iconfont {
    color: #D82217;
    margin-bottom: calc(0.8vw + 4px);
}

.contact_box p {
    text-align: center;
    font-weight: bold;
    margin-bottom: calc(1.2vw + 6px);
}


.contact_box .lab {
    color: #d82217;
}

.map {
    font-size: 0;
}

.map img {
    width: 100%;
}

.message {
    background-color: #F5F5F5;
}

.message>h4 {
    font-weight: bold;
    margin-bottom: calc(1vw + 5px);
}

.header_search_icon {
    display: none;
}

.productlist_nav_more {
    display: none;
}

@media screen and (max-width: 1441px) {
    body {
        --header-height: 100px;
    }
}

@media screen and (max-width: 1025px) {
    body {
        --header-height: 80px;
    }
}

@media screen and (max-width: 769px) {
    .banner .swiper-button-prev, .banner .swiper-button-next {
        display: none;
    }

    .p0_9 {
        padding-left: calc(2.2vw + 16px);
        padding-right: calc(2.2vw + 16px);
    }

    .lp9 {
        padding-left: calc(2.2vw + 16px);
    }

    .rp9 {
        padding-right: calc(2.2vw + 16px);
    }


    .p0_8 {
        padding-left: calc(2.2vw + 16px);
        padding-right: calc(2.2vw + 16px);
    }

    .lp8 {
        padding-left: calc(2.2vw + 16px);
    }

    .rp8 {
        padding-right: calc(2.2vw + 16px);
    }

    .p0_14 {
        padding-left: calc(2.2vw + 16px);
        padding-right: calc(2.2vw + 16px);
    }

    .lp14 {
        padding-left: calc(2.2vw + 16px);
    }

    .rp14 {
        padding-right: calc(2.2vw + 16px);
    }

    .p3_0 {
        padding-top: calc(2.2vw + 16px);
        padding-bottom: calc(2.2vw + 16px);
    }

    .p4_0 {
        padding-top: calc(2.2vw + 16px);
        padding-bottom: calc(2.2vw + 16px);
    }

    .p6_0 {
        padding-top: calc(2.2vw + 16px);
        padding-bottom: calc(2.2vw + 16px);
    }


    body {
        --header-height: 60px;
    }

    .header {
        display: flex;
        flex-direction: row-reverse;
    }

    .header_top {
        background-color: transparent;
        height: 100%;
        padding-left: 0 !important;
    }

    .header_bottom {
        flex: 1;
        padding-right: 0 !important;
    }

    .header_top_left {
        display: none;
    }

    .header_lang {
        color: #cb1511;
    }

    .header_lang span {
        font-size: 1em;
    }

    .header_more {
        display: block;
        color: #cb1511;
        margin-left: calc(0.8vw + 4px);
    }

    .header_search_icon {
        display: block;
        color: #cb1511;
        margin-left: calc(0.8vw + 4px);
    }

    .header_contact {
        display: none;
    }

    .header_search {
        display: none;
    }

    
    .header_nav {
        position: absolute;
        top: 100%;
        right: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        background-color: #fff;
        height: calc(100vh - var(--header-height));
        height: calc(100dvh - var(--header-height));
        align-items: stretch;
        width: 0;
        overflow: hidden;
        transition: .4s;
        --header-nav-width: 70vw;
    }


    .header_nav li {
        -webkit-flex: 1;
        flex: 1;
        display: flex;
        justify-content: center;
        width: var(--header-nav-width);
    }

    .header_nav li::after {
        display: none;
    }

    .header_nav li>a {
        height: 100%;
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
    }

    .header_nav.active {
        width: var(--header-nav-width);
    }

    .advantage_ {
        flex-wrap: wrap;
    }

    .advantage_box {
        width: 49%;
        margin-bottom: 2%;
    }

    .advantage_box:first-child {
        top: 0;
    }

    .advantage_box:last-child {
        top: 0;
    }

    .products {
        flex-direction: column;
    }

    .products_left {
        width: 100%;
        padding-left: calc(2.2vw + 16px);
        padding-right: calc(2.2vw + 16px);
    }

    .products_right {
        width: 100%;
    }

    .products_box .pimg {
        height: 41vw;
    }

    .products_nav {
        width: 100%;
        flex-wrap: wrap;
        flex-direction: row;
        justify-content: space-around;
    }

    .products_box {
        width: 49%;
    }

    .products_box:nth-child(2n) {
        margin-right: 0;
    }

    .about {
        flex-direction: column;
    }

    .about_left {
        width: 100%;
    }

    .news_ {
        flex-direction: column;
    }

    .news_left {
        margin-right: 0;
        width: 100%;
        margin-bottom: 2%;
    }

    .news_box .nimg {
        height: 25vw;
    }

    .news_right .news_box {
        width: 49%;
    }

    .news_right {
        flex-wrap: wrap;
    }

    .foot_top_box3 {
        display: none;
    }

    .foot_top_box1 {
        display: none;
    }

    .foot_top_box2 {
        padding: 0;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .foot_hotline span {
        text-align: center;
    }

    .foot_bottom {
        flex-direction: column;
        align-items: center;
    }

    .foot_bottom p {
        margin-right: 0;
    }

    .banner {
        justify-content: flex-end;
    }

    .banner>img {
        width: 130%;
    }

    .banner_float .ititle {
        font-size: 4vw;
    }

    .banner_float>p {
        font-size: 1.8vw;
    }

    .profile {
        flex-direction: column;
    }
    

    .profile_left {
        width: 100%;
        margin-right: 0;
    }

    .profile_right img {
        width: 60%;
    }

    .ourproducts {
        flex-direction: column-reverse;
    }

    .ourproducts_right {
        width: 100%;
        margin-bottom: calc(3.04vw + 10px);
    }

    .ourproducts_left {
        width: calc(100% - 4.4vw - 32px);
    }

    .equipment_box {
        height: 34.576vw;
    }

    .development_right {
        display: none;
    }

    .development_left {
        width: 100%;
        padding-right: calc(2.2vw + 16px) !important;
    }

    .productlist {
        flex-direction: column;
    }

    .productlist_nav_more {
        display: flex;
        justify-content: right;
        color: #fff;
        background-color: #CB1713;
        padding: calc(1.2vw + 6px);
    }

    .productlist_left {
        width: 100%;
        margin-bottom: calc(2vw + 10px);
        margin-right: 0;
        position: relative;
    }

    .productlist_nav {
        position: absolute;
        top: 100%;
        left: 0;
        background-color: #fff;
        padding: 0 calc(1.2vw + 6px);
        max-height: 0;
        box-shadow: 0 calc(0.2vw + 2px) calc(1vw + 5px) rgba(0, 0, 0, 0.2);
        overflow: auto;
        transition: .4s;
    } 

    .productlist_nav.active {
        max-height: 40vh;
        padding: calc(1.2vw + 6px);
    }

    .productlist_right {
        min-height: 40vh;
    }

    .newslist_ .newslist_box {
        width: 49%;
    }

    .newslist_ .newslist_box:nth-child(2n) {
        margin-right: 0;
    }

    .product_top {
        flex-direction: column;
    }

    .product_top_left {
        margin-right: 0;
        width: 100%;
        margin-bottom: calc(2vw + 10px);
    }

    .product_top_right {
        display: flex;
        justify-content: center;
        padding: calc(1vw + 5px) 0;
    }

    .product_top_right img {
        max-height: 300px;
        max-width: 100%;
    }

    .news_detail {
        flex-direction: column;
    }

    .news_detail_left {
        margin-right: 0;
        width: 100%;
        margin-bottom: calc(3vw + 15px);
    }

    .order {
        flex-direction: column;
    }

    .order_left {
        width: 100%;
        margin-bottom: calc(2vw + 10px);
    }

    .servive {
        flex-direction: column;
    }

    .servive_left {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .servive_left .ntitle {
        align-items: center;
    }

    .servive_left .content {
        text-align: center;
    }

    .servive_left .ntitle * {
        text-align: center;
    }

    .ntitle::after {
        transform: translateX(-50%);
        left: 50%;
    }

    .contact_box {
        width: 49%;
    }

    .contact_box:nth-child(3n) {
        margin-right: 2%;
    }

    .contact_box:nth-child(2n) {
        margin-right: 0;
    }

    .advantage_box {
        width: 100%;
    }

    .advantage>p {
        width: 100%;
    }

    .products_nav a {
        width: 32%;
    }
}

@media screen and (max-width: 426px) {
    body {
        --header-height: 40px;
    }

    .header_nav {
        --header-nav-width: 100vw;
    }

    .news_right .news_box {
        width: 100%;
        margin-right: 0 !important;
        margin-bottom: 2%;
    }

    .news_box .nimg {
        height: 52.6vw;
    }

    .news_left .news_box .nimg {
        height: 25vw;
    }

    .equipment_box {
        height: 51.864vw;
    }

    .newslist_ .newslist_box {
        width: 100%;
        margin-right: 0 !important;
    }

    .products_nav a {
        width: 49%;
    }
}

.news_left {
    flex-shrink: 1;
    transition: .4s;
}

.news_right {
    width: 52%;
    transition: .4s;
    flex-shrink: 0;
}

.news_right:hover {
    width: 66%;
}


.news_right .news_box {
    margin-right: 3%;
    width: auto;
    width: 48.5%;
}

.news_right:hover .news_box {
    margin-right: 2.4%;
}

.news_right .news_box:last-child {
    margin-right: 0;
}

.news_right .news_box:hover {
    width: 58%;
    flex-shrink: 0;
}

@media screen and (max-width: 769px) {
    .news_right {
        width: 100% !important;
    }
    .news_right .news_box {
        flex: 1;
        margin-right: 2% !important;
    }

    .news_right .news_box:last-child {
        margin-right: 0 !important;
    }
}

@media screen and (max-width: 426px) {
    .news_right .news_box {
        flex: auto;
        width: 100% !important;
        margin-right: 0 !important;
    }
}