* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei' !important;
}

.mob_menu_fix {
    display: none;
}

/* 添加PC端媒体查询 */
@media (min-width: 769px) {

    /* 底部区域 */
    footer {
        /*padding: 75px 250px 0 !important;*/
    }

    /* 应用领域 */
    .application-section {
        /* padding: 100px 250px !important; */
    }

    /* .application-section .section-title {
        padding: 0px 250px !important;
        background-position: 250px;
    } */

    /* 新闻资讯 */

    /* 产品中心 */
    .section {
        padding-top: 78px;
    }
}

:root {
    --primary: #1e40af;
    --primary-dark: #0d4a9e;
    --light: #f0f2f5;
    --dark: #333;
    --gray: #000;
    --light-gray: #888;
    --white: #fff;
    --card-bg: #fff;
    --footer-bg: #030420;
}

body {
    background-color: #fff;
    /* color: var(--dark); */
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1920px;
    margin: 0 auto;
}

/* 通用css开始 */
input {
    background-color: transparent;
    border: 0;
}

button {
    margin: 0;
    padding: 0;
    border: 1px solid transparent;
    outline: none;
    background-color: transparent;
}

button:active {
    opacity: 0.6;
}

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

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

.justify-start {
    display: flex;
    justify-content: flex-start;
}

.justify-center {
    display: flex;
    justify-content: center;
}

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

.justify-evenly {
    display: flex;
    justify-content: space-evenly;
}

.justify-around {
    display: flex;
    justify-content: space-around;
}

.justify-between {
    height: 382px;
    display: flex;
    justify-content: space-between;
}

.align-start {
    display: flex;
    align-items: flex-start;
}

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

.align-end {
    display: flex;
    align-items: flex-end;
}

/* 通用css结束 */
/*热点产品开始*/
.swiper-button-prev22 {
    background-image: url(/statics/style/images/detail_left.png);
    position: absolute;
    left: 377px;
    top: 50%;
    transform: translateY(-50%);
    background-repeat: no-repeat;
    width: 57px;
    height: 57px;
    z-index: 1000;
    cursor: pointer;
    display: flex;
}

.swiper-button-next22 {
    background-image: url(/statics/style/images/detail_right.png);
    position: absolute;
    /* right: 0; */
    top: 50%;
    transform: translateY(-50%);
    background-repeat: no-repeat;
    width: 57px;
    height: 57px;
    z-index: 1000;
    cursor: pointer;
    display: flex;
    left: 950px;
}

.hot_content {
    width: 1700px;
    height: 300px;
}

.hot_content_list {
    height: 300px;
    position: absolute;
    display: flex;
}

.hot_content_left {
    width: 1121px;
    column-count: 3; /* 三列布局 */
    column-gap: 20px;
    /* text-align: center; */

}

.hot_content_left a {
    display: block;
    padding: 8px 0;
    color: #333;
    font-size: 16px;
    /*width: 144px;*/
    text-decoration: none;
}

.hot_content_right {
    margin-left: 20px;
    /* flex: 1; */
    /* position: relative; */
    width: 460px;
    /* overflow: hidden; */
}

.hot_content_right span {
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: #333;
    display: block;
}

.hot_goods_item {
    height: 200px;
    width: 320px;
    text-align: center;
    padding: 0.625rem;
    /*border: 1px solid rgba(0, 0, 0, 0.1);*/
}
.hot_content_right:hover span,
.hot_goods:hover p{
    cursor: pointer;
    color: #002d72;
}
.hot_goods_item:hover {
    /*border: 1px solid #002d72;*/
}

.hot_goods_img {
    width: 100%;
    height: auto;
    max-height: 189px;
    object-fit: contain;
}

/*热点产品结束*/
/* 顶部导航栏 */
header {
    height: 80px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: #FFF;
}

.header-container {
    background-color: var(--white);
    width: 1600px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.head_bg {
    display: flex;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
}

.logo-circle span {
    color: #666;
    font-weight: bold;
    font-size: 20px;
}
/* 基础导航样式 */
.nav-item {
    position: relative;
    display: inline-block;
    padding: 0 15px;
}

.logo-circle img {
    display: flex;

}

.logo-text {
    color: var(--white);
    font-weight: bold;
    font-size: 24px;
}

nav {
    display: flex;
    gap: 40px;
}

.nav-item>a {
    color: #666;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 0;
    position: relative;
    display: inline-block;
}

/*.nav-item>a::after {*/
/*    content: '/';*/
/*    color: #CCCCCC;*/
/*    position: absolute;*/
/*    right: -23px;*/
/*    top: 38%;*/
/*    transform: translateY(-50%);*/
/*    font-size: 11px;*/
/*    width: 6px;*/
/*    height: 11px;*/
/*    text-align: center;*/
/*}*/

.nav-item:last-child>a::after {
    content: none;
}

.nav-item>a:hover,
.nav-item>a.active {
    color: #002d72;
    /* background-image: url('../images/head.png'); */
    border-top:1px solid #002d72;
    background-repeat: no-repeat;
    background-position: center top;
    padding-top: 10px;
}



.nav-item>a {
    color: #333;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 12px 0;
    display: inline-block;
    position: relative;
}

/* 分隔线样式 */
.nav-item>a::after {
    content: '/';
    color: #ccc;
    position: absolute;
    right: -36px;
    top: 50%;
    transform: translateY(-50%);
}

.nav-item:last-child>a::after {
    content: none;
}

/* 下拉菜单容器 */
.dropdown-menu_back {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 20px;
    display: none;
    width: auto;
    min-width: 800px;
    z-index: 1000;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    /* background: green; */
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    /* padding: 20px; */
    display: none;
    width: auto;
    /* min-width: 250px; */
    z-index: 1000;
}

.has-dropdown:hover .dropdown-menu {
    display: flex;
    flex-wrap: wrap;
    left: -46px;
}

/* 二级菜单项 */
.dropdown-item {
    /* flex: 0 0 120px; */
    /* margin-right: 20px; */
    /* margin-bottom: 15px; */
}

.dropdown-item {
    position: relative;
    display: inline-block;
    /* padding: 0 18px; */
}

.dropdown-item>a {
    color: #333;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    padding: 15px 0;
    display: inline-block;
    position: relative;
    transition: all 0.3s ease;
}

/* 二级栏目悬浮效果 - 与一级栏目保持一致 */
.dropdown-item>a:hover,
.dropdown-item>a.active {
    color: #002d72;
    /* background-image: url('../images/head.png'); */
    background-repeat: no-repeat;
    background-position: center top;
    /* padding-top: 10px; */
}

/* 三级菜单 */
.dropdown-menu.level-3 {
    position: static;
    display: flex !important;
    flex-direction: column;
    box-shadow: none;
    padding: 0;
    width: auto;
    background: transparent;
}

.dropdown-menu.level-3 a {
    color: #333;
    padding: 4px 0;
    font-size: 15px;
    text-decoration: none;
    /* 去除下划线 */
    font-weight: normal;
    /* 去除加粗 */
}
.menu_goods a:hover{
    color: #002d72;
}
.dropdown-menu.level-3 a:hover {
    color: #002d72;
    /* padding-left: 8px; */
}

/* 三级菜单横向排列 */
.dropdown-item.has-dropdown {
    cursor: pointer;
    width: 180px;
    position: relative;
    /* margin-bottom: 20px; */
    break-inside: avoid; /* 防止内容被分割 */
    text-align: center;

    border-style: solid;
    border-width: 0;
    box-shadow: 0 1px 6px rgba(0,0,0,.1);
}
.dropdown-item.has-dropdown > div {
    display: flex;
    flex-direction: column;
    height: 100%; /* 填充父容器高度 */
}

.dropdown-item.has-dropdown > div > a {
    border-style: solid;
    border-width: 0;
    box-shadow: 0 1px 6px rgba(0,0,0,.1);
    width: 180px;
    /* display: flex; */
    position: relative;

    /* display: block;
    padding: 6px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis; */
}
.icon_sub_item{
    position: absolute;
    display: flex;
    font-size: 17px;
    color: #333;
    float: right;
    line-height: 50px;
    right: 11px;
    top: 16px;
}
.icon_sub_item::before {
    /*content: "\003E";*/
    color: #333;
}
.dropdown-item.has-dropdown>.dropdown-menu.level-3 {
    position: absolute;
    /*left: 100%;*/
    left: calc(100% + 12px);
    top: -3px;
    /* background: beige; */
    background: #fff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    /* padding: 16px 15px; */
    line-height: 3rem;
    /* backdrop-filter: contrast(0.5); */
    /* text-align: center; */
    /* margin: 0 auto; */
    /* min-width: 200px; */
    display: none !important;
    height: auto;

}

.dropdown-item.has-dropdown:hover>.dropdown-menu.level-3 {
    display: flex !important;
}

/* 关键：使用伪元素填充间隙 */
.dropdown-menu.level-3::before {
    content: '';
    position: absolute;
    right: 100%;
    top: 0;
    height: 100%;
    width: 6%; /* 与增加的left百分比相同 */
}

/* 媒体查询确保移动端显示正常 */
@media (max-width: 768px) {
    .nav-item {
        display: block;
    }

    .dropdown-menu {
        position: static;
        display: none;
        flex-direction: column;
        box-shadow: none;
    }

    .has-dropdown:hover .dropdown-menu {
        display: flex;
    }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-box {
    position: relative;
}

.search-box input {

    background-repeat: no-repeat;
    background-position: 165px center;
    width: 200px;
    height: 42px;

    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 0 15px 0 24px;

    font-size: 14px;
    transition: all 0.3s ease;
}

.search-btn {
    left: 165px;
    top: 12px;
    position: absolute;
    display: flex;
    cursor: pointer;
}

.head_image {
    cursor: pointer;
}


.search-box input::placeholder {
    color: #999;
    font-size: 14px;
}

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
}

.language-switcher {
    background-color: #002d72;
    border-radius: 5px;
    display: flex;
    align-items: center;
    gap: 10px;
    /* color: var(--white); */
    font-size: 16px;
}

.lang-option {
    border: 1px solid #002d72;
    background: #FFFFFF;
    border-radius: 0px 5px 5px 0px;
    padding: 5px 12px;
    /* border-radius: 20px; */
    cursor: pointer;
    transition: all 0.3s ease;
    color: #002d72;

}

.lang-option.active {
    background: #002d72;
    color: #fff;
    border-radius: 5px;
    /* background: rgba(255, 255, 255, 0.2); */
}

/* 轮播图区域 */
.hero-slider {
    height: 711px;
    width: 100%;
    margin-top: 80px;
    position: relative;
    display: flex;
    text-align: center;
}

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

.swiper-slide {
    position: relative;
}

.slide-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /*background: linear-gradient(90deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 100%);*/
    display: flex;
    align-items: center;
}

.slide-content {
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
    color: var(--white);
}

.slide-title {
    font-size: 64px;
    font-weight: bold;
    line-height: 1.2;
    /* max-width: 800px; */
    text-align: center;
    margin-bottom: 30px;
}

.slide-description {
    font-size: 24px;
    max-width: 700px;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.6;
}

.slide-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    padding: 18px 70px;
    border-radius: 12px;
    font-size: 18px;
    /*font-weight: 600;*/
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover {
    /* background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2); */
}

.btn-outline {
    background: transparent;
    color: var(--white);
    padding: 18px 40px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    border: 2px solid var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.swiper-button-prev,
.swiper-button-next {
    color: var(--white) !important;
    background: rgba(255, 255, 255, 0.2);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
    background: rgba(255, 255, 255, 0.3);
}

.swiper-button-prev::after,
.swiper-button-next::after {
    font-size: 24px !important;
    font-weight: bold;
}

/* 产品中心优化 */
.section {
    width: 1450px;
    margin: 0 auto;
}

.product-button {
    margin-top: 40px;
}

.product-list {
    display: flex;
    flex-direction: column;
    margin-left: auto;
    line-height: 51px;
    position: relative;
}
.product-item a{
    color: #666;
    text-decoration: none;
}
.product-item a:hover{
    color: #002d72;
}
.product-list ul {
    height: 375px;
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    position: relative;
}

.product-list li {
    width: 550px;
    position: relative;
    /* padding-right: 30px; */
    /*padding-right: 224px;*/
    padding-left: 64px;
    list-style: none;
    cursor: pointer;
}

/* 默认圆点样式 */
.product-list li::after {
    content: '•';
    position: absolute;
    /* right: 0; */
    /* right: 118px; */
    left: -23px;
    top: 39%;
    transform: translateY(-50%);
    color: #002d72;
    font-size: 24px;
    z-index: 2;
}

/* 默认第一个li显示外圈 */
.product-list li.active::before,
.product-list li:hover::before {
    content: '';
    position: absolute;
    /* right: -2px; */
    /* right: 115px; */
    left: -27px;
    top: 39%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid #002d72;
    background: transparent;
    z-index: 1;
}

/* 悬停/active时圆点变小 */
.product-list li.active::after,
.product-list li:hover::after {
    content: '';
    width: 8px;
    height: 8px;
    background: #002d72;
    border-radius: 50%;
    font-size: 0;
    /* right: 2px; */
    right: 119px;
}

/* 连接线样式 */
.product-line {
    position: absolute;
    /* left: 393px; */
    /* left: 426px; */
    left: -19px;
    /* height: 1px; */
    /* opacity: 0;  */
}

/* 灰色连接线（默认显示）
.product-line[src*="huise"] {
    opacity: 1;
}

/* 蓝色连接线（悬停时显示） */
/* .product-list li:hover .product-line[src*="lanse"],
.product-list li.active ~ li .product-line[src*="lanse"] {
    opacity: 1;
}   */
.product-button a {
    /*display: inline-block;*/
    text-decoration: none;
    background-image: url(../images/jia.png);
    background-size: 35px 35px;
    background-position: 114px 6px;
    background-repeat: no-repeat;
    width: 155px;
    height: 49px;
    line-height: 16px;
    border-radius: 25px;
    /* border: 1px solid #FFFFFF; */
    color: #fff;
    font-size: 16px;
    background-color: #525053;
    cursor: pointer;
    text-align: left;
    padding-left: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    /*margin: 15px;*/
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    /*
        background-image: url(../images/jia.png);
        background-size: 35px 35px;
        background-position: 114px 6px;
        background-repeat: no-repeat;
        width: 155px;
        height: 49px;
        border-radius: 25px;
        border: 1px solid #FFFFFF;
        color: #fff;
        font-size: 16px;
        text-align: center;
        background-color: #525053;
        cursor: pointer;
        margin-bottom: 20px;
        text-decoration: none; */
}

.product-button a:hover{
    background-color: #002d72;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}
.text_42 {
    margin-top: -9px;
    display: flex;
    margin-left: 23px;
    font-size: 32px;
    color: #002d72;
    font-weight: bold;
    line-height: 48px;
}

.image-wrapper_3 {
    display: flex;
    /* gap: 20px; */
    margin-bottom: 40px;
    overflow: hidden;
    text-align: center;
    /*margin-left: 172px;*/
    margin-left: 193px;
    margin-bottom: 70px;
}

.image-wrapper_3 span {
    font-size: 18px;
    color: #999;
}

.image-wrapper_3:active {
    color: #002d72;
}

.section .image-wrapper_3 img {
    /* width: 33.33%; */
    margin-bottom: 12px;
    /*height: 200px;*/
    /* object-fit: cover; */
    /* border-radius: 8px; */
    /* width: auto; */
}

.section-category {
    cursor: pointer;
    width: 340px;
}

.box_category {
    border-right: 1px solid #D9D9D9;
}

.section-category img {
    /* 居中 */
    display: block;
    margin: 0 auto;
    width: 160px;
    height: auto;
}

.section-category.active span {
    color: #002d72;
}

.box_15 {
    display: flex;
    gap: 20px;
    /* 减小间距使布局更紧凑 */
    align-items: stretch;
    margin-top: 80px;
}

.section_2 {
    flex: 2;
    /* 增加产品详情区域宽度 */
    /* padding: 30px; */
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* .section_4 {
    flex: 1.5;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
} */

.text-wrapper_17 {
    flex: 0 0 180px;
    /* 固定产品列表宽度 */
    padding: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.product-list li {
    font-size: 16px;
    color: #666;
}

.product-list .active,
.product-list li:hover {
    /* font-size: 24px; */
    color: #002d72;
    /* line-height: 91px; */
    cursor: pointer;
    /* border-right: 1px solid #002d72; */
}


.product-image .image_13 {
    width: 550px;
}

group_26 {
    display: flex;
    gap: 15px;
    margin: 20px 0;
}

.box_16 {
    flex: 0 0 80px;
}

.text-wrapper_15 {
    /*margin-top: 64px;*/
    margin-top: 109px;
    flex: 1;
}

/* 修复选择器错误并优化产品特性列表 */
.text-wrapper_15 ul {
    padding-left: 20px;
    line-height: 1.8;
}

.text-wrapper_15 li {
    margin-bottom: 10px;
    color: var(--gray);
    font-size: 16px;
}

.paragraph_7,
.paragraph_8 {
    margin: 5px 0;
    line-height: 1.6;
}

group_31 {
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid #eee;
    cursor: pointer;
    transition: color 0.3s ease;
}

group_31:hover {
    color: var(--primary);
}

text-wrapper_16 {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

text_44,
.text_45 {
    flex: 1;
    text-align: center;
    padding: 8px 0;
    background: var(--light);
    border-radius: 6px;
}

.section-title {
    /* text-align: center; */
    margin-bottom: 60px;
    background-image: url('../images/index_good.png');
    background-size: 351px 55px;
    background-repeat: no-repeat;
}
.section-title h2 {
    font-size: 40px;
    font-weight: bold;
    color: var(--dark);
    /* margin-bottom: 20px; */
}

.section-title p {
    font-size: 20px;
    color: var(--gray);
    max-width: 800px;
    /* margin: 0 auto; */
    line-height: 1.6;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.product-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
}

.product-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.product-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 30px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.product-card:hover .product-icon {
    transform: scale(1.1);
    box-shadow: 0 10px 20px rgba(30, 64, 175, 0.3);
}

.product-icon-inner {
    width: 70px;
    height: 70px;
    background: var(--white);
    border-radius: 15px;
}

.product-card h3 {
    font-size: 28px;
    color: var(--dark);
    margin-bottom: 20px;
}

.product-card p {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.6;
}

/* 产品详情 */
.product-detail-section {
    background-image: url('static/images/goods_center_bg.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    padding: 100px 40px;
    background: var(--white);
}

.detail-container {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.sidebar {
    background: var(--light);
    border-radius: 20px;
    padding: 40px;
}

.sidebar h3 {
    font-size: 28px;
    color: var(--dark);
    margin-bottom: 30px;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 10px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 18px 20px;
    color: var(--dark);
    text-decoration: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.sidebar-menu a:hover {
    background: rgba(30, 64, 175, 0.1);
    color: var(--primary);
}

.sidebar-menu a i {
    margin-right: 15px;
    transition: transform 0.3s ease;
}

.sidebar-menu a:hover i {
    transform: translateX(5px);
}

.more-products {
    display: block;
    background: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 18px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 500;
    margin-top: 30px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.more-products:hover {
    background: #000;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.detail-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.detail-image {
    background: linear-gradient(135deg, var(--light), #e6e9f0);
    border-radius: 20px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.detail-info {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.detail-info h4 {
    font-size: 28px;
    color: var(--dark);
    margin-bottom: 30px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.info-item {
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
}

.info-label {
    font-size: 18px;
    color: var(--gray);
    font-weight: 500;
}

.info-value {
    font-size: 18px;
    color: var(--dark);
    font-weight: 600;
}

/* 应用领域 */
.application-section {
    /*background-image: url('../images/goods_center_bg.jpg');*/
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    height: 982px;
    width: 100%;
    margin: 0 auto;
}

.app_icon {
    padding: 100px 0 0 250px;
}

.app_icon_card {
    width: 31px;
    /* height: auto; */
    /* padding: 100px 0 0 250px; */
}

.box_6 {
    background-color: #999;
    /*width: 237px;*/
    width: 331px;
    height: 1px;
    margin-left: 248px;
}

.application-section .section-title {
    width: 1400px;
    margin: 0 auto;
    background-size: 498px 54px;
    background-repeat: no-repeat;
    margin-bottom: 206px !important;
}

.application-section .section-title h2 {
    /* color: var(--white); */
    font-size: 40px;
    font-weight: bold;
    color: var(--dark);
    text-align: left;
    color: var(--white);
}

.application-section .section-title p {
    color: rgba(255, 255, 255, 0.8);
}

/* 添加内容容器 */
.application-content {
    display: flex;
    width: 1400px;
    margin: 0 auto;
    margin-top: 40px;
    justify-content: space-between;
}

.applications-grid {

}

.application-card {
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    font-size: 20px;
    color: #999;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    padding: 0px;
    width: 580px;
}

.application-card:hover {
    /*transform: translateY(-5px);*/
    /*box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);*/
}

@media (min-width: 769px) {
    .application-card {
        width: 580px;
        height: 62px;
    }
}

/* 选中状态样式 */


.application-card img {
    /* width: 40px; */
    /* height: 40px; */
}

.application-card h4 {
    font-size: 22px;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.application-card .jiantou {
    /*margin-left: 40px;*/
    display: none;
}

.application-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.3);
    font-size: 24px;
    color: var(--white);
}

.application-card:first-child {
    background: rgba(255, 255, 255, 0.15);
    /*transform: translateY(-10px);*/
    border-color: rgba(255, 255, 255, 0.3);
    font-size: 24px;
    color: var(--white);
}

.application-card:hover .jiantou {
    display: block;
}

.app-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.app-icon-inner {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 15px;
}

.application-card h4 {
    font-size: 22px;
    width: 220px;
    /* margin-bottom: 15px; */
}

.application-card p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
}

.application-description {
    padding: 45px 0px 45px 0px;
    font-size: 18px;
    line-height: 1.8;
}

.application-description h3 {
    font-size: 24px;
    font-weight: bold;
    line-height: 85px;
}

.application-description p {
    padding-bottom: 55px;
    width: 520px;
    height: 151px;
}

.application-description a {
    display: inline-block;
    text-decoration: none;
    background-image: url('../images/jia.png');
    background-size: 35px 35px;
    background-position: 114px 6px;
    background-repeat: no-repeat;
    /* background-color: #666; */
    width: 155px;
    height: 49px;
    line-height: 49px;
    border-radius: 25px;
    border: 1px solid #FFFFFF;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    text-align: left;
    padding-left: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.application-description a:hover {
    background-color: #002d72;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    border: unset;
}




/* 新闻资讯 */
.news-section {
    background: #EEEEEE;
    width: 1400px;
    margin: 0 auto;

}

.news_block {
    display: block;
}

.news_none {
    display: none;
}

.news-section .section-title {
    background-image: url('../images/news_title_bg.png');
    background-size: 498px 54px;
    background-repeat: no-repeat;
    position: absolute;
    width: 498px;
}

.news-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    /*margin-bottom: 120px;*/
    margin-bottom:80px;
    width: 100%;
}

.news-header a {
    font-size: 20px;
    color: #000;
    text-decoration: none;
}

.news-tabs {
    display: flex;
    justify-content: space-between;
    width: auto;
    /*min-width: 500px;*/
}

.tab-btn {
    /* padding: 16px 40px; */
    /* border-radius: 12px; */

    font-size: 20px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    border-radius: 32px;
    height: 41px;
    width: 142px;
    transition: all 0.3s ease;
    margin: 0 5px;
}

.tab-btn.active {
    background: #0C3F98;
    color: var(--white);
}

.tab-btn.active a {
    /* background: #0C3F98; */
    color: var(--white);
    text-decoration: none;
}

.tab-btn:not(.active) {
    background: transparent;
    color: var(--gray);
    border: 1px solid #ddd;
}

.tab-btn:not(.active):hover {
    background: #f8f9fa;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.news-card {
    /*background: var(--card-bg);*/
    /* border-radius: 20px; */
    overflow: hidden;
    /*box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);*/
    transition: all 0.4s ease;
}

.news-card:hover {
    background-color: #FFF;
    cursor: pointer;
    /*transform: translateY(-10px);*/
    /*box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);*/
}

.news-image {
    /* height: 250px; */
    position: relative;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-image img {
    transform: scale(1.05);
}

.news-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
}

.news-content {
    padding: 30px;
}

.news-content a {
    font-weight: unset;
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 20px;
    line-height: 1.4;
    transition: color 0.3s ease;
    height: 56px;
    text-decoration: none;
}

.news-card:hover .news-content h4 {
    /*color: var(--primary);*/
}

.news-content p {
    color: var(--gray);
    margin-bottom: 25px;
    line-height: 1.6;
}

.news-footer {
    height: 80px;
    background-color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.read-more {
    margin-left: 20px;
    color: #999999;
    /* font-weight: 500; */
    font-size: 18px;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* .read-more:hover {
    list-style: none;
    text-decoration: underline;
} */

.news-date {
    margin-right: 20px;
    color: var(--light-gray);
    font-size: 14px;
}

/* 底部区域 */
footer {
    background: var(--footer-bg);
    color: rgba(255, 255, 255, 0.7);
    padding: 40px 0 20px;
    /*border-radius: 10px;*/
    margin-top: auto;
    box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    max-width: 1420px;
    margin: 0 auto;
    padding: 0 20px 60px;
    justify-content: center;
    gap: 14px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 22px;
    margin-bottom: 30px;
}

.footer-about {
    margin-right: 0;
    margin-left: -16px;
    grid-column: span 2;
}

.footer-about .logo-area {
    margin-bottom: 25px;
}

.footer-about p {
    line-height: 1.8;
    margin-bottom: 25px;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
    color: var(--white);
}

.social-link {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-5px);
}

.footer-menu {
    list-style: none;
}

.footer-menu li {
    margin-bottom: 15px;
}

.footer-menu a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-menu a:hover {
    color: var(--white);
    transform: translateX(5px);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 15px;
}

.contact-icon {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 5px;
}

.contact-detail h5 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 25px 0;
    text-align: center;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    max-width: 1200px;
    margin: 0 auto;
}

.social-tel {
    width: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white" width="24px" height="24px"><path d="M0 0h24v24H0z" fill="none"/><path d="M6.62 10.79c1.44 2.83 3.76 5.14 6.59 6.59l2.2-2.2c.27-.27.67-.36 1.02-.24 1.12.37 2.33.57 3.57.57.55 0 1 .45 1 1V20c0 .55-.45 1-1 1-9.39 0-17-7.61-17-17 0-.55.45-1 1-1h3.5c.55 0 1 .45 1 1 0 1.25.2 2.45.57 3.57.11.35.03.74-.25 1.02l-2.2 2.2z"/></svg>');
    background-repeat: no-repeat;
    background-position: 0px 12px;
    padding-left: 40px;
    margin-bottom: 15px;
}

.social-tel span {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.social-tel p {
    color: var(--white);
    font-size: 20px;
    margin-top: 5px;
}

.social-phone {
    width: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="white" width="24px" height="24px"><path d="M0 0h24v24H0z" fill="none"/><path d="M17 1.01L7 1c-1.1 0-2 .9-2 2v18c0 1.1.9 2 2 2h10c1.1 0 2-.9 2-2V3c0-1.1-.9-1.99-2-1.99zM17 19H7V5h10v14z"/></svg>');
    background-repeat: no-repeat;
    background-position: 0px 8px;
    padding-left: 40px;
}

.social-phone span {
    display: block;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.social-phone p {
    color: var(--white);
    font-size: 20px;
    margin-top: 5px;
}

/* 响应式设计 */
@media (max-width: 1420px) {
    .footer-grid {
        /*grid-template-columns: repeat(3, 1fr);*/
        grid-template-columns: repeat(8, 1fr);
        /*gap: 40px;*/
    }

    .footer-about {
        grid-column: span 3;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .footer-about {
        grid-column: span 2;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-about {
        grid-column: span 1;
    }

    .footer-col {
        text-align: center;
    }

    .footer-col h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* 新增居中样式 */
.footer-center-container {
    display: flex;
    justify-content: center;
    width: 100%;
}

.footer-inner {
    max-width: 1200px;
    width: 100%;
}


@media (max-width: 1600px) {
    .logo-circle img {
        padding-left: 0; /* 移除左内边距 */
    }
    .header-container{
        width: 100%;
    }
    .nav-item{
        padding: 0;
    }
    .footer-grid{

    }
}

.ns-1{
    width: 100%;
}

@media screen and (min-width: 1000px) {
    .mob_top{
        display: none;
    }
}

@media screen and (min-width: 1000px) and (max-width: 1500px) {
    .section{
        width: 100%;
    }

    .ns-3{
        display: flex;
    }
    .product-line{
        display: none !important;
    }
    .product-list li::after{
        display: none;
    }
    .product-list li.active::before, .product-list li:hover::before{
        display: none;
    }
    .product-list ul{
        width: 100%;
        flex-wrap: wrap;
        height: auto;
    }
    .product-list li{
        width: auto;
    }
    .box_15{
        flex-wrap: wrap;
    }
    .product-list{
        width: 100%;
    }
    .product-image{
        margin-right: 100px;
    }
    .application-description{
        padding: 45px 0;
    }
    .application-content{
        width: 100%;
    }
    .news-section{
        width: 100%;
    }
    .text-wrapper_15{
        margin-top:0;
    }
    .justify-between{
        height: auto;
    }
    .image-wrapper_3{
        width: 1020px;
       margin:0 auto;
        margin-bottom: 70px;
    }
    .footer-col{
        width: auto !important;
    }
    
}

@media  screen and (max-width: 1280px) {
    header{
        height: 120px;
    }
    .header-actions{
        position: absolute;
        right: 0;
        top: 0;
    }
    .header-container{
        align-items: flex-end;
        padding-bottom: 20px;
    }
}

.ns-2{
    display: flex;
}
.ns-4{
    background-color: #EEEEEE;
    padding: 100px 0;
}
.ns-5{
    margin-top: 80px;
    width: 100%;
}
.appimg{
    width: 1400px;
    margin: 0 auto;
}
.appimg .app_icon{
    padding-left: 0;
}
.protitle{
    font-size: 72px;color: rgba(102, 102, 102, 0.05);font-weight: bold;display: block;position: absolute;top: 848px;left: 243px;
    width: 1400px;
    margin: 0 auto;
}