.product{
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 4%;
    margin-bottom: 3%;
}
.p-title{
    width: 100%;
    height: auto;
    display: inline-block;
}
.pt-left{
    float: left;
    width: 50%;
}
.pt-left h3{
    font-size: 37px;
    letter-spacing: 2px;
    margin-bottom: 2%;
    font-weight: bold;
}
.pt-left p{
    color: #707070;
    font-size: 15px;
    letter-spacing: 2px;
    font-weight: 500;
}
.pt-right{
    float: right;
    margin-top: 2%;
}
.product a{
    color: #fff;
    background: #005aaa;
    padding: 17px 43px;
    font-size: 16px;
}
.pro-box{
    width: 80%;
    height: auto;
    display: inline-block;
    margin: 0 auto;
    display: block;
}
.pb-left{
    float: left;
    width: 35%;
    margin-right: 2%;
}
.pb-right{
    float: left;
}

.about{
    width: 100%;
    height: auto;
    background: url(../images/about.jpg) #eff2f5;
    padding-top: 5%;
    padding-bottom: 2%;
    background-repeat: no-repeat;
    background-size: 100%;
    display: inline-block;
}
.ab-box{
    width: 45%;
    height: auto;
    display: inline-block;
}
.ab-box h3{
    font-size: 40px;
    letter-spacing: 2px;
    color: #0f0f0f;
    margin-bottom: 7%;
    margin-top: 6%;
}
.ab-box p{
    color: #707070;
    font-size: 18px;
    line-height: 55px;
    font-weight: 600;
}
.ab-box ul{
    width: 107%;
    height: auto;
    display: inline-block;
    margin-top: 7%;
    float: left;
}
.ab-box li{
    float: left;
    width: 25%;
    text-align: left;
}
.ab-box li h2{
    color: #005aaa;
    font-size: 49px;
}
.ab-box li p{
    color: #005aaa;
    font-size: 14px;
    line-height: normal;
    margin-top: 2%;
    font-weight: normal;
}
.more a{
    background: #005aaa;
    color: #fff;
    margin-top: 13%;
    display: inline-block;
    padding: 18px 35px;
    font-size: 16px;
}
.news{
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 3%;
    margin-bottom: 3%;
}
.n-box{
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 2%;
}
.n-box ul{
    width: 100%;
    height: auto;
    display: inline-block;
}
.n-box li{
    width: 31%;
    float: left;
    margin-right: 3%;
}
.n-box li img{
    width: 100%;
    border-radius: 15px;
    height: 277px;
}
.time{
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 3%;
}
.time img{
    width: 4% !important;
    border-radius: 0px !important;
    float: left;
    margin-right: 1%;
    height: auto !important;
}
.time p{
    color: #707070;
    font-size: 15px;
}
.n-box li h3{
    color: #0f0f0f;
    font-size: 21px;
    margin: 10px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}
.n-box li h4{
    color: #707070;
    font-size: 15px;
    font-weight: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 31px;
}
.n-box li .more{
    color: #005aaa;
    font-size: 15px;
    margin-top: 3%;
}
.n-box li:nth-child(3n) {
    margin-right: 0;
}
.customer{
    width: 100%;
    height: auto;
    background: url(../images/customer.jpg);
    padding-top: 5%;
    padding-bottom: 6%;
    background-repeat: no-repeat;
    background-size: cover;
    display: inline-block;
}


.container {
    display: flex;
    width: 100%;
    margin: 30px auto;
    border-radius: 8px;
    overflow: hidden;
}

/* 左侧导航栏 */
.left-nav {
    width: 33%;
    padding: 20px 0;
}

.nav-header {
    color: white;
    padding: 0 20px 15px;
    font-size: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.nav-header i {
    margin-right: 10px;
    font-size: 20px;
}

.nav-item {
    color: rgba(255,255,255,0.9);
    padding: 22px 40px;
    cursor: pointer;
    transition: all 0.3s;
    border-left: 4px solid transparent;
    display: flex;
    align-items: center;
    padding-left: 0px;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.nav-item.active {
    background: rgba(255,255,255,0.15);
    color: white;
    font-weight: bold;
}

.nav-item i {
    width: 33px;
    margin-right: 23px;
    text-align: center;
    font-size: 31px;
    transition: all 0.3s;
    border: 1px solid #e1e1e1;
    padding: 9px;
    border-radius: 50%;
    color: #e1e1e1;
}

.nav-item.active i {
    color: #005aaa;
    transform: scale(1.1);
    border: 1px solid#005aaa;
    padding: 9px;
    border-radius: 50%;
}

.nav-item-content {
    display: flex;
    flex-direction: column;
}

.nav-item-en {
    font-size: 12px;
    opacity: 0.8;
    margin-top: 3px;
    display: none;
}

/* 右侧内容区 */
.right-content {
    flex: 1;
    background: white;
    padding: 0;
    display: flex;
    flex-direction: column;
    width: 61%;
}

.content-title {
    font-size: 24px;
    color: #1a5276;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eee;
    display: flex;
    align-items: center;
}

.content-title i {
    margin-right: 10px;
    color: #1e5799;
}

.image-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f9f9f9;
    overflow: hidden;
    position: relative;
}

.tech-image {
    /* object-fit: contain; */
    transition: opacity 0.5s ease;
    opacity: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0px;
    left: 0px;
}

.tech-image.active {
    opacity: 1;
}

.tech-desc {
    margin-top: 20px;
    color: #555;
    line-height: 1.6;
    padding: 15px;
    background: #f0f8ff;
    border-radius: 6px;
}
.nav-item-content span{
    color: #707070;
    font-size: 24px;
    font-weight: bold;
}
.nav-item.active span{
    color: #000000;
}
.content-title{
    display: none;
}



.cus-box {
    width: 100%;
    margin: 0 auto;
    position: relative;
    /* overflow: hidden; */
}

#sliders {
    position: relative;
}

#wai_box {
    width: 100%;
    overflow: hidden;
}

.slider_box {
    display: flex;
    transition: transform 0.5s ease;
    width: 100%;
}

.logo-group {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.logo-group li.images {
    width: 20%; /* 5个一排 */
    padding: 10px;
    box-sizing: border-box;
    text-align: center;
    /* background: #fff; */
}

.logo-group li.images img {
    max-width: 100%;
    height: 121px;
    max-height: max-content;
    transition: all 0.3s;
    background: #fff;
    width: 264px;
}

.logo-group li.images:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.pre, .next {
    position: absolute;
    top: 50%;
    transform: translateY(-68%);
    width: 65px;
    height: 65px;
    color: #c9c9c9;
    text-align: center;
    cursor: pointer;
    z-index: 10;
    text-decoration: none;
    font-size: 64px;
    line-height: 57px;
    border-radius: 10px;
}

.pre {
    left: -2%;
    z-index: 9999999;
}

.next {
    right: 10px;
}

.navs {
    text-align: center;
    margin-top: 15px;
}

.navs a {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin: 0 5px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
}

.navs a.now {
    background:#005aaa;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .logo-group li.images {
        width: 33.33%; /* 3个一排 */
    }
}

@media (max-width: 480px) {
    .logo-group li.images {
        width: 50%; /* 2个一排 */
    }
}



@media screen and (max-width: 1024px) and (min-width: 0px) {
.pt-left {
    float: left;
    width: 100%;
    text-align: center;
}
    .pt-left h3 {
    font-size: 32px;
    letter-spacing: 2px;
    margin-bottom: 2%;
    font-weight: bold;
}
.pt-right {
    float: right;
    margin-top: 2%;
    display: none;
}
.container {
display: block;
        width: 100%;
        margin: 30px auto;
        border-radius: 8px;
        overflow: hidden;
        margin-top: 0px;
}
.left-nav {
    width: 100%;
    padding: 20px 0;
}
.right-content {
    flex: 1;
    background: white;
    padding: 0;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 266px;
}
.pt-left p {
    color: #707070;
    font-size: 15px;
    letter-spacing: 2px;
    font-weight: 500;
}
.nav-item {
    color: rgba(255, 255, 255, 0.9);
    padding: 18px 0px;
    cursor: pointer;
    transition: all 0.3s;
    border-left: 4px solid transparent;
    display: flex;
    align-items: center;
    padding-left: 0px;
}
.nav-item-content span {
    color: #707070;
    font-size: 20px;
    font-weight: bold;
}
.nav-item i {
    width: 25px;
    margin-right: 23px;
    text-align: center;
    font-size: 25px;
    transition: all 0.3s;
    border: 1px solid #e1e1e1;
    padding: 9px;
    border-radius: 50%;
    color: #e1e1e1;
}
.nav-item {
    color: rgba(255, 255, 255, 0.9);
    padding: 18px 0px;
    cursor: pointer;
    transition: all 0.3s;
    border-left: 4px solid transparent;
    display: flex
;
    align-items: center;
    padding-left: 0px;
    padding-bottom: 0px;
}

.ab-box {
    width: 100%;
    height: auto;
    display: inline-block;
}
.ab-box h3 {
    color: #0f0f0f;
    margin-bottom: 7%;
    margin-top: 6%;
    font-size: 32px;
    letter-spacing: 2px;
}

.ab-box p {
    color: #707070;
    font-size: 16px;
    line-height: 37px;
    font-weight: 600;
    font-weight: normal;
}
.ab-box li {
    float: left;
    width: 50% !important;
    text-align: center;
}
.ab-box li h2 {
    color: #005aaa;
    font-size: 43px;
    margin-left: 0px !important;
}
.about {
    width: 100%;
    height: auto;
    background: url(../images/about.jpg) #eff2f5;
    padding-top: 5%;
    padding-bottom: 10%;
    background-repeat: no-repeat;
    background-size: 100%;
    display: inline-block;
}
.ab-box ul {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 7%;
    float: left;
    margin-bottom: 10%;
}

.more a {
    background: #005aaa;
    color: #fff;
    padding: 16px 39px;
    font-size: 16px;
    text-align: center;
    margin: 0 auto;
    display: table;
}
.news {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 6%;
    margin-bottom: 5%;
}
.n-box li {
    width: 100%;
    float: left;
    margin-right: 0%;
}
.n-box li img {
    width: 100%;
    border-radius: 10px;
    height: 277px;
}
.n-box li {
    width: 100%;
    float: left;
    margin-right: 0%;
    margin-bottom: 9%;
}
.n-box li h3 {
    color: #0f0f0f;
    font-size: 22px;
    margin: 10px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}
.ab-dt{
    display: none;
}
}