:root {
    --primary-blue: #1b4f81;
    --primary-blue-dark: #123759;
    --accent-red: #d33c3a;
    --bg-light: #f8f9fc;
    --text-dark: #333333;
    --text-muted: #777777;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-dark);
}

.text-primary-dark {
    color: var(--primary-blue) !important;
}

.bg-primary-dark {
    background-color: var(--primary-blue) !important;
}

.btn-primary-dark {
    background-color: var(--primary-blue);
    color: white;
    border: none;
}

.btn-primary-dark:hover {
    background-color: var(--primary-blue-dark);
    color: white;
}

/* Navbar */

.navbar-brand .header-title {
    font-size: 1.1rem;
    color: var(--primary-blue) !important;
}

.navbar-brand .header-subtitle {
    font-size: 0.65rem;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;

    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue) !important;
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.navbar-nav>li .btn-quote {
    color: #fff !important;
    font-size: 14px;
}

.header-action-btns {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-nav .logo-icon {
    height: 48px;
    object-fit: contain;
}

.header-nav .logo-title {
    font-size: 1.25rem;
    line-height: 1.1;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.header-nav .logo-subtitle {
    font-size: 0.65rem;
    line-height: 1;
    color: #999;
}

.search-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #1f6aaf;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.search-icon-btn:hover {
    background-color: var(--primary-blue);
    color: white;
    transform: scale(1.05);
}

.lang-btn {
    background-color: #1f6aaf;
    color: white;
    font-size: 0.85rem;
    padding: 0 1.25rem;
    height: 38px;
    display: flex;
    align-items: center;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background-color: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

* {
    font-family: sans-serif
}

.hdp img {
    width: 100%;
    height: auto;
}

ul,
li {
    list-style: none;
    padding: 0;
    margin: 0;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background: url('https://images.unsplash.com/photo-1541888087611-e4e7d5301844?w=1600&h=900&fit=crop') no-repeat center/cover;
    position: relative;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(20, 25, 40, 0.9) 0%, rgba(27, 79, 129, 0.6) 50%, rgba(0, 0, 0, 0.2) 100%);
}

.z-index-1 {
    z-index: 1;
}

.z-index-2 {
    z-index: 2;
}

.btn-read-more {
    background-color: white;
    padding: 0.4rem 0.4rem 0.4rem 1.5rem;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-read-more:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.icon-circle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--accent-red);
    color: white;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-read-more:hover .icon-circle {
    transform: scale(1.1);
    background-color: #e54240;
}

/* Swiper Products */
.card-img-wrapper {
    overflow: hidden;

    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    border-bottom: 1px solid #f0f0f0;
}

.card-img-wrapper img {
    width: 100%;
    object-fit: cover;
    aspect-ratio: 6/5;
    transition: transform 0.5s ease;
}

.product-card-hover {
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid #eee !important;
}

.product-card-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1) !important;
    border-color: #fff !important;
}

.product-card-hover:hover img {
    transform: scale(1.1);
}

.cpbg .swiper-navigation {
    gap: 10px;
}

.swiper-button-prev-custom,
.swiper-button-next-custom {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: white;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.swiper-button-prev-custom:hover,
.swiper-button-next-custom:hover {
    background-color: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

.swiper-button-prev-custom.swiper-button-disabled,
.swiper-button-next-custom.swiper-button-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #f8f9fa;
    color: #ccc;
}

.cptjnknn {
    position: relative
}

.cptjnknn .swiper-button-prev-custom {
    top: 40%;
    position: absolute;
    z-index: 20;
    left: 0;
}

.cptjnknn .swiper-button-next-custom {
    top: 40%;
    position: absolute;
    z-index: 20;
    right: 0;
}

.nydt img {
    width: 100%;
    height: auto
}

@media (min-width: 769px) {
    .container {
        max-width: 1440px !important;
        margin-right: auto;
        margin-left: auto;
        box-sizing: border-box;

    }

    .nav-link {

        padding: 0.5rem 2.5rem !important;

    }

    .navbar-nav>li>a.active {
        background: #0b3a60;
        color: #fff !important;
    }

    /*ttop*/
    .ttop {
        width: 100%;
        transition: all ease .3s;
        background: #fff;
        padding: 0;

        border-top: 2px solid #1b5c92
    }

    .ttops {
        width: 100%;
        background: rgb(255 255 255 / 90%);
        animation: ease-in banner-dh .3s;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 2000;
        min-height: 80px;
        backdrop-filter: blur(10px);
        border-bottom: 1px solid #e6e6e6;
    }

    @keyframes banner-dh {
        0% {
            transform: translateY(-10px);
            opacity: 0;
        }


        100% {
            transform: translateY(0);
            opacity: 1;
        }
    }

    .logo {
        margin-top: 20px;
    }

    .topdw {
        position: relative;
    }

    /*导航*/
    .navbar-default .navbar-nav>.open>a,
    .navbar-default .navbar-nav>.open>a:focus,
    .navbar-default .navbar-nav>.open>a:hover {
        background: #fff;
        border-radius: 2px;
    }

    .navbar-default .navbar-collapse,
    .navbar-default .navbar-form {
        padding: 0 !important;
    }

    .navbar-nav>li>a {
        color: #333 !important;
        line-height: 80px;
        font-size: 16px;
    }

    .zcdh {
        width: 70%;
        float: left;
    }

    .dhy {
        padding: 0 !important;
    }

    .navbar-default {
        background: rgb(255 255 255 / 0%) !important;
        border: none !important;
    }

    .dhht {
        width: 100%;
    }

    .nav>li:hover .dropdown-menu,
    .navbar-nav>li:hover .dropdown-menu {
        display: block;
    }


    .yc {
        display: block
    }

    .yc0 {
        display: none;
    }

    .dbright {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        position: relative;
        font-size: 18px;
        line-height: 24px;
    }

    .dbright a {
        color: #009178;
    }

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

    .sycp {
        width: 100%;
        background: url("../images/bght.jpg") no-repeat top center;
        background-size: 100%;
    }

    .sybtw {
        font-size: 36px;
        line-height: 2;
        color: #1c3857
    }

    .sywz {
        font-size: 14px;
        line-height: 2;
        color: #555 !important;
    }

    .cpsybt {
        font-size: 18px;
        font-weight: bold;
        color: #374f6b;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

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

    /*  top-search*/
    #aa {
        cursor: pointer;
        border: none;
    }

    .searchBox {
        display: none;
        position: fixed;
        width: 100%;
        background: rgba(255, 255, 255, .9);
        padding: 3rem 6rem 3rem;
        border-radius: 6px;
        box-shadow: 0 4px 5px rgba(0, 0, 0, .05);
        z-index: 99999;
        backdrop-filter: blur(10px);
    }

    .search-content {
        position: relative
    }

    .searchBox .search-content .close {
        position: absolute;
        right: 10px;
        top: 6px;
        background: none;
        border: none;
        color: #000;
        font-size: 20px;
        cursor: pointer;
    }

    .search-form {
        width: 100%;
    }

    .search-form .input-box {
        width: 70%;
        height: 70px;
        border-bottom: solid 1px #ccc;
        display: flex;
        align-items: center;
        font-size: 15px
    }

    .search-form .input-box img {
        width: 22px;
        height: 22px;
        margin-right: .5rem
    }

    .search-form .input-box input {
        width: 100%;
        background: none;
        height: 70px;
        outline: none;
        border: none;
        font-size: 18px;
    }

    .search-info {
        margin: 0.3rem auto 0.2rem;
        display: flex;
        justify-content: space-between
    }

    .search-info-l {
        width: 50%;
    }

    .search-info-l h2 {
        font-size: 22px;
        line-height: 3;
    }

    .search-info-l li {
        font-size: 16px;
        line-height: 2;
        width: 50%;
        float: left
    }

    .search-info-l li a {
        color: #444;
        display: block
    }

    .search-info-r {
        width: 60%;
        display: flex;
        justify-content: flex-end
    }

    .search-info-r ul,
    .search-info-l ul {
        margin-top: 0.1rem;
        padding: 0
    }

    .search-info-r .about {
        padding: 0 0.1rem
    }

    .search-info-r .about h2 {
        font-size: 22px;line-height: 3;
    }

    .search-info-r .about li {
        color: #444;
        font-size: 15px;
        margin-bottom: 10px;
    }

    .search-info-r .about li a {
        color: #444;
        padding: 0rem 0;
        display: block;
        font-size: 15px
    }

    .about ul {
        margin-bottom: 0;
    }

    /*首页简介*/
    .syzbout {
        width: 100%;
        background: url("../images/gybg.jpg") no-repeat top center;
        background-size: cover;
        padding: 60px 0 120px;
        overflow: hidden;
    }

    .ycjj {
        width: 50%;
        float: right;
        padding-left: 50px;
    }

    .sybt1 {
        font-size: 36px;
        color: #1c3857;
        line-height: 3;
    }

    .ycjj article {
        font-size: 15px;
        line-height: 30px;
        color: #555;
    }

    .lang-btn i {
        font-size: 16px;
        margin-right: 5px;
    }

    .guxfl {
        margin-top: 20px;
    }

    .guxfl li {
        width: 100%;
        font-size: 16px;
        line-height: 60px;
        border-bottom: 1px solid #e6e6e6;
    }

    .guxfl li i {
        position: relative;
        transition: all ease-in .3s;
    }

    .guxfl li a {
        color: #333;
        display: flex;
        justify-content: space-between;
    }

    .guxfl li:hover i {
        margin-right: 15px;
    }

    .guxfl li:hover a {
        color: #e44a3e
    }

    /*关于数字*/
    /* About Section */
    .hover-zoom {
        transition: transform 0.5s ease;
    }

    .hover-zoom:hover {
        transform: scale(1.02);
    }

    .accordion-button:not(.collapsed) {
        color: var(--primary-blue) !important;
        box-shadow: none;
        background-color: transparent;
    }

    .accordion-button:focus {
        box-shadow: none;
        border-color: rgba(0, 0, 0, .125);
    }

    .translate-up {
        transform: translateY(-30%);
        margin-bottom: -50px;
    }

    .stats-box {
        transition: all 0.3s ease;
    }

    .stats-box:hover {
        transform: translateY(-5px);
    }

    /*横条banner*/
    .banm {
        margin: 30px auto 0;
        background: linear-gradient(to right, #1d3c67, #1b5b91)
    }

    /* Features */
    .feature-card {
        transition: all 0.3s ease;
        background-color: #f8fbff;
    }

    .feature-card:hover {
        transform: translateY(-10px);
        background-color: white;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08) !important;
    }

    .icon {
        margin-bottom: 15px;
    }

    .whyk {
        margin: 40px auto;
    }

    /*首页表单*/
    .sybdkk {
        width: 100%;
        background: url("../images/bdkk.jpg") no-repeat top center;
        background-size: 100%;
        padding: 50px 0 50px 0;
    }

    .sybdw h1 {
        margin: 0;
        font-size: 36px;
        color: #fff;
        line-height: 2;
    }

    .sybdw article {
        font-size: 15px;
        line-height: 2;
        color: #d9d9d9;
    }

    .bdwz {
        margin-top: 3rem;
    }

    /* Contact Section */
    .contact-section {
        background: url('https://images.unsplash.com/photo-1541888087611-e4e7d5301844?w=1600&h=600&fit=crop') no-repeat center/cover;
        background-attachment: fixed;
    }

    .contact-overlay {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(30, 40, 50, 0.85);
    }

    .contact-section .form-control {
        font-size: 0.9rem;
    }

    .contact-section .input-group-text {
        border-radius: 0.375rem 0 0 0.375rem;
    }

    .contact-section .form-control {
        border-radius: 0 0.375rem 0.375rem 0;
    }

    .contact-section .form-control:focus {
        box-shadow: none;
        border-color: #dee2e6;
        background-color: #fff !important;
    }

    .hover-lift {
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .hover-lift:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2) !important;
    }

    /* Footer */
    .bg-dark-footer {
        background-color: #1c2331;
    }

    .hover-text-white {
        transition: color 0.3s ease, margin-left 0.3s ease;
    }

    .hover-text-white:hover {
        color: white !important;
        margin-left: 5px;
    }



    /* Animations */
    .slide-up {
        animation: slideUp 0.8s ease-out forwards;
        opacity: 0;
        transform: translateY(30px);
    }

    .slide-up-delay {
        animation: slideUp 0.8s ease-out 0.2s forwards;
        opacity: 0;
        transform: translateY(30px);
    }

    .slide-up-delay-2 {
        animation: slideUp 0.8s ease-out 0.4s forwards;
        opacity: 0;
        transform: translateY(30px);
    }

    @keyframes slideUp {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .ycdh {
        padding-left: 50px;
    }

    /*内页发图*/
    .nydt {
        max-height: 400px;
        overflow: hidden
    }

    .nydt img {
        width: 100%;
    }

    .nytwz {
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        position: absolute;
        top: 0;
        left: 0;
        flex-wrap: wrap;
        align-items: center
    }

    .nytwz h1 {
        font-size: 46px;
        font-weight: bold;
        color: #fff;
        width: 100%;
        text-align: center;
    }

    .nytwz article {
        font-size: 22px;
        line-height: 40px;
        color: #fff;
        text-align: center;
    }

    /*产品列表*/
    .nycpbt {
        font-size: 34px;
        line-height: 50px;
        text-align: center;
        color: #374f6b;
        text-transform: uppercase;
    }

    /*一级产品分类*/

    .cpnk {
        display: grid;
        grid-template-columns: repeat(4, 23%);
        margin: 50px auto;
        gap: 0 25px;
    }

    .cpnk .card-product {
        margin-bottom: 30px;
    }

    /*产品内容*/
    .cpgs {
        overflow: hidden;
        margin: 70px auto;
        background: #f7f7f7;
        padding: 30px;
        border-radius: 15px;
    }

    .cptpn {
        width: 45%;
        float: left;
        overflow: hidden;
    }

    .cptpn .swiper {
        width: 95%;
        margin-left: auto;
        margin-right: auto;
        position: relative;
        ;
    }

    .cptpn .swiper-slide {
        background-size: cover;
        background-position: center;
        border: 1px solid #e6e6e6;
    }

    .cptpn .swiper-slide img {
        width: 100% !important;
        height: auto;
    }

    .cptpn .mySwiper2 {
        width: 95%;
    }

    .cptpn .mySwiper {
        box-sizing: border-box;
        padding: 10px 0;
    }

    .cptpn .mySwiper .swiper-slide {
        width: 33%;
        height: auto;
        opacity: 0.4;
    }

    .cptpn .mySwiper .swiper-slide-thumb-active {
        opacity: 1;
    }

    .cptpn .swiper-slide img {
        display: block;
        width: 100%;
        object-fit: cover;
        cursor: pointer;
    }


    /*产品右边描述*/
    .cpybms {
        width: 55%;
        float: right;
        margin-top: 15px;
        padding-left: 60px;
    }

    .cpbtkn {
        padding: 20px 0;
        border-bottom: 1px solid #e6e6e6;
    }

    .cpbtkn h1 {
        margin: 0;
        font-size: 2rem;
        color: #333;
        line-height: 40px;
        font-weight: bold;
    }

    .cpbtkn h2 {
        margin: 0;
        font-size: 1rem;
        line-height: 2;
        color: #de0011;
    }

    .cpybms article {
        margin: 40px auto;
        font-size: 1rem;
        line-height: 2;
        color: #555;
    }

    .lan {
        width: 100%;
        overflow: hidden;
        margin-top: 40px;
    }

    .zjyx {
        width: 240px;
        display: block;
        font-size: 1.2rem;
        line-height: 3;
        text-align: center;
        background: url("../images/yxicon.png") no-repeat 15px center #005bac;
        color: #fff;
        border-radius: 5px;
        margin-right: 30px;
        float: left;
    }

    .lxwm {
        width: 240px;
        display: block;
        font-size: 1.2rem;
        line-height: 3;
        text-align: center;
        background: url("../images/lxiocn.png") no-repeat 15px center #f06213;
        color: #fff;
        border-radius: 5px;
        float: left;
    }

    /*产品详情*/
    .cpxqbtk {
        width: 100%;
        overflow: hidden;
    }

    .btxk {
        font-size: 2rem;
        font-weight: bold;
        color: #333;
        ;
        line-height: 64px;
    }

    .xqnkk {
        margin: 2rem auto;
        font-size: 1rem;
        line-height: 2;
        color: #555;
        overflow-x: scroll;
    }

    .xqnkk table {
        width: 100%;
        overflow-x: scroll;  border-top: 1px solid #e6e6e6;
        border-right: 1px solid #e6e6e6
    }

    .xqnkk table tr {
        padding: 0 5px;
        border-bottom: 1px solid #e6e6e6;
        border-left: 1px solid #e6e6e6;padding: 5px;
    }

    .xqnkk table td {
        border-right: 1px solid #e6e6e6 !important;padding: 0 5px !important;
    }

    /*详情页推荐产品*/
    .tjcpnkcp {
        width: 100%;
        background: #f8f9fa;
        padding: 30px 0;
    }

    .tjnbt {
        font-size: 2rem;
        color: #555;
        font-weight: bold;
        line-height: 20px;
    }

    .cptjnknn {
        padding: 30px 0;
        margin: 3rem auto
    }

    .tjcpnkcp .cptjk {
        margin: 30px auto;
    }

    .cptp {
        border: 1px solid #e6e6e6;
        overflow: hidden;
    }

    .cplbxk h1 {
        font-size: 1.1rem;
        line-height: 3;
        color: #555;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /*关于我们*/
    .gywzkk {
        margin: 40px auto;
    }

    .gybtk {
        font-size: 34px;
        line-height: 3;
        color: #333;
        text-align: center
    }

    .gywznkk {
        margin: 20px auto;
        font-size: 15px;
        line-height: 2;
        color: #555;
    }

    .szdkk {
        width: 100%;
        background: url("../images/szbg.jpg") no-repeat top center;
        background-size: cover;
        padding: 10px 0;
    }

    .whynk {
        margin: 50px auto;
    }

    /* 新闻详情*/
    .zxbt {
        font-size: 24px;
        color: #000;
        line-height: 2;
        text-align: center;
        padding: 20px 0;
    }

    .zxxqnk {
        font-size: 15px;
        line-height: 2;
        color: #555;
        margin: 15px auto
    }

    .zxfxlj {
        width: 100%;
        display: flex;
        justify-content: flex-end;
        gap: 0 15px;
        border-top: 1px solid #e6e6e6;
        padding: 30px 0;
        margin-top: 20px;
    }

    .fxljn {}

    .fxljn ul {
        width: 100%;
        display: flex;
        justify-content: flex-start;
        gap: 0 8px;
    }

    .fxljn ul li a {
        padding: 8px 12px;
        background: #3b5998;
        color: #fff;
        font-size: 18px;
        border-radius: 50px;
        overflow: hidden;
    }

    .fxljn ul li:nth-child(2) a {
        background: #55acee;
    }

    .fxljn ul li:nth-child(3) a {
        background: #007bb5;
    }

    .fbsj {
        font-size: 15px;
        line-height: 3;
        color: #666;
        text-align: center;
        background: #f2f4f5
    }

    .lbdkk {
        background-color: #f4f7f9;
        padding: 50px 0;
    }

    /* --- Message Form --- */
    .message-section {
        padding: 80px 0;
        background: #fff;
    }

    .section-title {
        text-align: center;
        margin-bottom: 60px;
    }

    .section-title h2 {
        font-size: 32px;
        font-weight: bold;
        margin-bottom: 15px;
    }

    .section-title .line {
        width: 40px;
        height: 3px;
        background: #ddd;
        margin: 0 auto;
    }

    .form-group-custom {
        margin-bottom: 30px;
    }

    .form-group-custom label {
        display: block;
        margin-bottom: 15px;
        color: #666;
        font-size: 0.95rem;
    }

    .input-with-icon {
        position: relative;
        border-left: 2px solid transparent;
        transition: all 0.3s;
    }

    .input-with-icon:focus-within {
        border-left: 3px solid #1e67a4;
    }

    .input-with-icon i {
        position: absolute;
        left: 20px;
        top: 50%;
        transform: translateY(-50%);
        color: #999;
        font-size: 1.2rem;
    }

    .input-with-icon input,
    .input-with-icon textarea {
        width: 100%;
        padding: 15px 15px 15px 55px;
        background: #f8f8f8;
        border: 1px solid #eee;
        border-radius: 0;
        outline: none;
        transition: all 0.3s;
    }

    /* Custom style for specific input shown in screenshot */
    .input-active {
        border-left: 6px solid #1e67a4;
        color: #fff !important;
    }

    .input-active input::placeholder {
        color: #eee !important;
    }

    .input-active i {
        color: #fff !important;
    }

    .submit-btn {
        background: #1b5b90;
        color: #fff;
        padding: 15px 60px;
        border: none;
        font-size: 1.1rem;
        transition: all 0.3s;
        margin-top: 20px;
    }

    .submit-btn:hover {
        background: #1e67a4;
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .form-group-custom1 {
        display: flex;
        justify-content: flex-start;
    }

    .mapdk {
        width: 100%;
        background: url("../images/szbg.jpg") no-repeat bottom center;
        padding: 20px 0;
        background-size: cover;
        margin-bottom: 50px;
    }

    /*联系方式*/
    .contact-col-mid::before {
        content: "";
        position: absolute;
        left: 0;
        top: 15%;
        bottom: 15%;
        width: 1px;
        border-left: 1px dashed #cfcfcf;
    }

    .contact-col-right::before {
        content: "";
        position: absolute;
        left: 0;
        top: 15%;
        bottom: 15%;
        width: 1px;
        border-left: 1px dashed #cfcfcf;
    }

    .list-unstyled1 {
        width: 100%;
        overflow: hidden;
    }

    .list-unstyled1 li {
        width: 50%;
        float: left;
    }
}

/*常规样式*/
.zxxqnk img {
    max-width: 100%;
    height: auto;
}

.hsyq {
    font-size: 14px;
    color: #cc3229;
    font-weight: bold;
    margin-right: 5px;
}

.rounded-1 {
    background: #1f6aaf;
}
.rounded-1 a{color: #fff}
.cptjnknn .swiper-button-prev:after,
.cptjnknn .swiper-rtl .swiper-button-next:after,
.cptjnknn .swiper-button-next:after,
.cptjnknn .swiper-rtl .swiper-button-prev:after {
    display: none
}

.list-item-card:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06) !important;
    transform: translateY(-3px);
}

.list-item-title:hover {
    color: #4a6ee0 !important;
}

.hot-tag {
    vertical-align: text-bottom;
}

.solution-list a:hover {
    color: #4a6ee0 !important;
}

.recommend-list a:hover {
    color: #4a6ee0 !important;
}

.navbar-toggler {
    border: 1px solid #e6e6e6;
}

.ttop2 .navbar-toggler {
    background: #00a0ea
}

.dropdown-item {
    font-size: 14px;
}

.navbar-nav>li>a {
    color: #333 !important;
    line-height: 80px;
    font-size: 17px;
}

.nybanner img {
    width: 100%;
    height: auto;
}

.fym {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 2rem auto;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none
}

/*当前位置*/

.fllbkwz {
    width: 100%;
    border-bottom: 1px solid #e6e6e6;
}

.wz {
    font-size: 1rem;
    line-height: 3.5;
    color: #333;
}

.wz a {
    color: #333;
}

.wz i {
    font-size: 1rem;
    color: #23544d;
}

.contact-info-panel {
    background-color: #fafafa;
}

/* Responsive Fixes */
@media (max-width: 1200px) {
    .btn-quote {
        padding: 10px;
        line-height: 20px !important
    }

    .nav-link {
        padding: 0.5rem 1rem !important
    }
}

@media (max-width: 1000px) {
    .topdw {
        padding: 10px 5px;
    }
}

@media (min-width: 1280px) {

    .container,
    .container-lg,
    .container-md,
    .container-sm,
    .container-xl,
    .container-xxl {
        max-width: 1240px;
    }

    .lbdkk {
        background-color: #f4f7f9;
        padding: 20px 0;
    }

}

@media (min-width: 1400px) {

    .container,
    .container-lg,
    .container-md,
    .container-sm,
    .container-xl,
    .container-xxl {
        max-width: 1600px;
    }

}

@media (max-width: 1440px) {.bdw{font-size: 2rem;}}

@media (max-width: 1024px) {}

.navbar-collapse {
    padding: 0 15px;
}

@media (max-width: 997px) {}

@media (max-width:768px) {

    /*联系方式*/
    .contact-col-left,
    .contact-col-mid {
        border-bottom: 1px dashed #cfcfcf;
        padding-bottom: 25px;
    }

    .contact-col-mid ul {
        margin-left: 0 !important;
        text-align: center;
    }

    .contact-col-right {
        margin-top: 25px;
    }

    /* --- Message Form --- */
    .message-section {
        padding: 10px 0;
        background: #fff;
    }

    .section-title {
        text-align: center;
        margin-bottom: 10px;
    }

    .section-title h2 {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 15px;
    }



    .form-group-custom {
        margin-bottom: 30px;
    }

    .form-group-custom label {
        display: block;
        margin-bottom: 15px;
        color: #666;
        font-size: 0.95rem;
    }

    .input-with-icon {
        position: relative;
        border-left: 2px solid transparent;
        transition: all 0.3s;
    }

    .input-with-icon:focus-within {
        border-left: 6px solid var(--primary-teal);
    }

    .input-with-icon i {
        position: absolute;
        left: 20px;
        top: 50%;
        transform: translateY(-50%);
        color: #999;
        font-size: 1.2rem;
    }

    .input-with-icon input,
    .input-with-icon textarea {
        width: 100%;
        padding: 15px 15px 15px 55px;
        background: #f8f8f8;
        border: 1px solid #eee;
        border-radius: 0;
        outline: none;
        transition: all 0.3s;
    }

    /* Custom style for specific input shown in screenshot */
    .input-active {
        border-left: 6px solid var(--primary-teal);
        background: var(--primary-teal) !important;
        color: #fff !important;
    }

    .input-active input::placeholder {
        color: #eee !important;
    }

    .input-active i {
        color: #fff !important;
    }

    .submit-btn {
        background: #1b5b90;
        color: #fff;
        padding: 15px 60px;
        border: none;
        font-size: 1.1rem;
        transition: all 0.3s;
        margin-top: 20px;
        width: 100%;
        border-radius: 5px;
    }

    .form-group-custom1 {
        display: flex;
        justify-content: flex-start;
    }

    .submit-btn:hover {
        background: #1f69a6;
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .mapdk {
        width: 100%;
        background: url("../images/szbg.jpg") no-repeat bottom center;
        padding: 10px 0;
        background-size: cover;
    }

    /* 新闻详情*/
    .zxbt {
        font-size: 20px;
        color: #000;
        line-height: 1.5;
        text-align: center;
        padding: 20px 0;
    }

    .zxxqnk {
        font-size: 15px;
        line-height: 2;
        color: #555;
        margin: 15px auto
    }

    .zxfxlj {
        width: 100%;
        display: flex;
        justify-content: flex-end;
        gap: 0 15px;
        border-top: 1px solid #e6e6e6;
        padding: 30px 0;
        margin-top: 20px;
    }

    .fxljn ul {
        width: 100%;
        display: flex;
        justify-content: flex-start;
        gap: 0 8px;
    }

    .fxljn ul li a {
        padding: 8px 12px;
        background: #3b5998;
        color: #fff;
        font-size: 18px;
        border-radius: 50px;
        overflow: hidden;
    }

    .fxljn ul li:nth-child(2) a {
        background: #55acee;
    }

    .fxljn ul li:nth-child(3) a {
        background: #007bb5;
    }

    .fbsj {
        font-size: 15px;
        line-height: 3;
        color: #666;
        text-align: center;
        background: #f2f4f5
    }

    .lbdkk {
        background-color: #f4f7f9;
        padding: 20px 0;
    }

    /*关于我们*/
    .gywzkk {
        margin: 20px auto;
    }

    .gybtk {
        font-size: 24px;
        line-height: 2;
        color: #333;
        text-align: center
    }

    .gywznkk {
        margin: 20px auto;
        font-size: 15px;
        line-height: 2;
        color: #555;
    }

    .szdkk {
        width: 100%;
        background: url("../images/szbg.jpg") no-repeat top center;
        background-size: cover;
        padding: 10px 0;
    }

    .whynk {
        margin: 30px auto;
    }

    /*产品内容*/
    .cpgs {
        overflow: hidden;
        margin: 20px auto;
    }

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

    .cptpn .swiper {
        width: 100%;
        margin-left: auto;
        margin-right: auto;
        position: relative;
        ;
    }

    .cptpn .swiper-slide {
        background-size: cover;
        background-position: center;
        border: 1px solid #e6e6e6;
    }

    .cptpn .swiper-slide img {
        width: 100% !important;
        height: auto;
    }

    .cptpn .mySwiper2 {
        width: 100%;
    }

    .cptpn .mySwiper {
        box-sizing: border-box;
        padding: 10px 0;
    }

    .cptpn .mySwiper .swiper-slide {
        width: 33% !important;
        height: auto;
        opacity: 0.4;
    }

    .cptpn .mySwiper .swiper-slide-thumb-active {
        opacity: 1;
    }

    .cptpn .swiper-slide img {
        display: block;
        width: 100%;
        object-fit: cover;
        cursor: pointer;
    }


    /*产品右边描述*/
    .cpybms {
        width: 100%;
        margin-top: 10px;
        padding: 0;
    }

    .cpbtkn {
        padding: 20px 0;
        border-bottom: 1px solid #e6e6e6;
    }

    .cpbtkn h1 {
        margin: 0;
        font-size: 1.4rem;
        color: #333;
        line-height: 1.5;
        font-weight: bold;
        padding: 10px 0;
    }

    .cpbtkn h2 {
        margin: 0;
        font-size: 1rem;
        line-height: 2;
        color: #de0011;
    }

    .cpybms article {
        margin: 1rem auto;
        font-size: 1rem;
        line-height: 2;
        color: #555;
    }

    .lan {
        width: 100%;
        overflow: hidden;
        margin-top: 40px;
        display: flex;
        justify-content: space-between;
        ;
    }

    .zjyx {
        width: 48% !important;
        display: block;
        font-size: 1rem;
        line-height: 3.5;
        text-align: center;
        background: url("../images/yxicon.png") no-repeat 15px center #005bac;
        color: #fff;
        border-radius: 5px;
        margin-right: 1%;
        float: left;
    }

    .lxwm {
        width: 48% !important;
        display: block;
        font-size: 1rem;
        line-height: 3.5;
        text-align: center;
        background: url("../images/lxiocn.png") no-repeat 15px center #f06213;
        color: #fff;
        border-radius: 5px;
        float: left;
    }

    /*产品详情*/
    .cpxqbtk {
        width: 100%;
        overflow: hidden;
    }

    .btxk {
        font-size: 2rem;
        font-weight: bold;
        color: #005bac;
        ;
        line-height: 64px;
    }

    .xqnkk {
        margin: 1rem auto;
        font-size: 1rem;
        line-height: 2;
        color: #555;
        overflow-x: scroll;
    }

    .xqnkk table {
        width: 100%;
        overflow-y: scroll
    }

    .xqnkk table tr {
        padding: 0 5px;
        border-bottom: 1px solid #e6e6e6;
        border-left: 1px solid #e6e6e6
    }

    .xqnkk table td {
        border-top: 1px solid #e6e6e6;
        border-right: 1px solid #e6e6e6
    }

    /*详情页推荐产品*/
    .tjcpnkcp {
        width: 100%;
        background: #f8f9fa;
        padding: 30px 0 0;
    }

    .tjnbt {
        font-size: 2rem;
        color: #555;
        font-weight: bold;
        line-height: 20px;
    }

    .cptjnknn {
        padding: 30px 0 10px;
        margin: 1rem auto 0
    }

    .tjcpnkcp .cptjk {
        margin: 30px auto;
    }

    .cptp {
        border: 1px solid #e6e6e6;
        overflow: hidden;
    }

    .cplbxk h1 {
        font-size: 1.1rem;
        line-height: 3;
        color: #555;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /*产品列表*/
    .nycpbt {
        font-size: 30px;
        line-height: 40px;
        text-align: center;
        color: #374f6b;
        text-transform: uppercase;
    }

    /*一级产品分类*/

    .cpnk {
        display: grid;
        grid-template-columns: repeat(2, 48%);
        margin: 20px auto;
        gap: 0 15px;
    }

    .cpnk .card-product {
        margin-bottom: 30px;
    }

    /*产品详情*/
    .cpgs {
        padding: 15px;
        margin: 30px auto;
        background: #f7f7f7;
        border-radius: 10px;
        overflow: hidden;
    }

    .cptpn {
        width: 100%;
        margin-bottom: 20px;
    }

    .cpybms {
        width: 100%;
        padding-left: 0;
        margin-top: 0;
    }

    .cptpn .swiper {
        width: 100%;
        position: relative;
    }

    .cptpn .swiper-slide {
        border: 1px solid #e6e6e6;
        background-size: cover;
        background-position: center;
    }

    .cptpn .swiper-slide img {
        width: 100% !important;
        height: auto;
        display: block;
        object-fit: cover;
    }

    .cptpn .mySwiper {
        padding: 10px 0;
        box-sizing: border-box;
    }

    .cptpn .mySwiper .swiper-slide {
        opacity: 0.4;
        cursor: pointer;
    }

    .cptpn .mySwiper .swiper-slide-thumb-active {
        opacity: 1;
    }

    .lan {
        width: 100%;
        overflow: hidden;
        margin-top: 20px;
    }

    .zjyx,
    .lxwm {
        width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
        float: none;
    }

    /*首页表单*/
    .sybdkk {
        width: 100%;
        background: url("../images/bdkk.jpg") no-repeat top center;
        background-size: cover;
        padding: 20px 0 20px 0;
    }

    .sybdw h1 {
        margin: 0;
        font-size: 24px;
        color: #fff;
        line-height: 2;
    }

    .sybdw article {
        font-size: 15px;
        line-height: 2;
        color: #d9d9d9;
    }

    .bdwz {
        margin-top: 15px;
        padding-top: 10px !important
    }

    /* Contact Section */
    .contact-section {
        background: url('https://images.unsplash.com/photo-1541888087611-e4e7d5301844?w=1600&h=600&fit=crop') no-repeat center/cover;
        background-attachment: fixed;
    }

    .contact-overlay {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(30, 40, 50, 0.85);
    }

    .contact-section .form-control {
        font-size: 0.9rem;
    }

    .contact-section .input-group-text {
        border-radius: 0.375rem 0 0 0.375rem;
    }

    .contact-section .form-control {
        border-radius: 0 0.375rem 0.375rem 0;
    }

    .contact-section .form-control:focus {
        box-shadow: none;
        border-color: #dee2e6;
        background-color: #fff !important;
    }

    .hover-lift {
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .hover-lift:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2) !important;
    }

    /* Footer */
    .bg-dark-footer {
        background-color: #1c2331;
    }

    .hover-text-white {
        transition: color 0.3s ease, margin-left 0.3s ease;
    }

    /* Features */
    .feature-card {
        transition: all 0.3s ease;
        background-color: #f8fbff;
    }

    .feature-card:hover {
        transform: translateY(-10px);
        background-color: white;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08) !important;
    }

    .icon {
        margin-bottom: 15px;
    }

    /*首页简介*/
    .syzbout {
        width: 100%;
        background: #fafafa;
        padding: 20px 0 120px;
        overflow: hidden;
    }

    .ycjj {
        width: 100%;
        float: right;
    }

    .sybt1 {
        font-size: 26px;
        color: #1c3857;
        line-height: 3;
    }

    .ycjj article {
        font-size: 15px;
        line-height: 30px;
        color: #555;
    }

    .lang-btn i {
        font-size: 16px;
        margin-right: 5px;
    }

    .guxfl {
        margin-top: 20px;
    }

    .guxfl li {
        width: 100%;
        font-size: 16px;
        line-height: 60px;
        border-bottom: 1px solid #e6e6e6;
    }

    .guxfl li i {
        position: relative;
        transition: all ease-in .3s;
    }

    .guxfl li a {
        color: #333;
        display: flex;
        justify-content: space-between;
    }

    .guxfl li:hover i {
        margin-right: 15px;
    }

    .guxfl li:hover a {
        color: #e44a3e
    }

    /* About Section */
    .hover-zoom {
        transition: transform 0.5s ease;
    }

    .hover-zoom:hover {
        transform: scale(1.02);
    }

    .accordion-button:not(.collapsed) {
        color: var(--primary-blue) !important;
        box-shadow: none;
        background-color: transparent;
    }

    .accordion-button:focus {
        box-shadow: none;
        border-color: rgba(0, 0, 0, .125);
    }

    .translate-up {
        transform: translateY(-30%);
        margin-bottom: -50px;
    }

    .stats-box {
        transition: all 0.3s ease;
    }

    .stats-box:hover {
        transform: translateY(-5px);
    }

    .sycp {
        padding: 15px 0 !important
    }

    /*横条banner*/
    .banm {
        margin: 20px auto;
        background: linear-gradient(to right, #1d3c67, #1b5b91);
        padding: 10px !important;
    }

    .bdw {
        font-size: 24px;
    }

    /*联系我们*/
    /* --- Contact Info Grid --- */
    .navbar-nav>li>a {
        line-height: 40px;
    }

    .ttop {
        padding: 10px 5px !important;
    }

    /*  top-search*/
    #aa {
        cursor: pointer;
        border: none;
    }

    .searchBox {
        display: none;
        position: fixed;
        width: 100%;
        background: rgba(255, 255, 255, .9);
        padding: 15px;
        border-radius: 6px;
        box-shadow: 0 4px 5px rgba(0, 0, 0, .05);
        z-index: 99999;
        backdrop-filter: blur(10px);
    }

    .search-content {
        position: relative
    }

    .searchBox .search-content .close {
        position: absolute;
        right: 10px;
        top: 6px;
        background: none;
        border: none;
        color: #000;
        font-size: 20px;
        cursor: pointer;
    }

    .search-form {
        width: 100%;
    }

    .search-form .input-box {
        width: 70%;
        height: 70px;
        border-bottom: solid 1px #ccc;
        display: flex;
        align-items: center;
        font-size: 15px
    }

    .search-form .input-box img {
        width: 22px;
        height: 22px;
        margin-right: .5rem
    }

    .search-form .input-box input {
        width: 100%;
        background: none;
        height: 70px;
        outline: none;
        border: none;
        font-size: 18px;
    }

    .search-info {
        margin: 0.3rem auto 0.2rem;
        display: flex;
        flex-wrap: wrap;
    }

    .search-info-l {
        width: 100%;
    }

    .search-info-l h2 {
        font-size: 22px;
        line-height: 3;
    }

    .search-info-l li {
        font-size: 15px;
        line-height: 1.5;
        width: 50%;
        float: left;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .search-info-l li a {
        color: #444;
        padding: 10px 0;
        display: block
    }

    .search-info-r {
        width: 100%;
        margin-top: 15px;
    }

    .search-info-r ul,
    .search-info-l ul {
        margin-top: 0.1rem;
        padding: 0
    }

    .search-info-r .about {
        padding: 0 0.1rem
    }

    .search-info-r .about h2 {
        font-size: 20px;
        margin-bottom: 15px
    }

    .search-info-r .about li {
        color: #444;
        font-size: 15px;
        margin-bottom: 10px;
    }

    .search-info-r .about li a {
        color: #444;
        padding: 0rem 0;
        display: block;
        font-size: 15px
    }

    .about ul {
        margin-bottom: 0;
    }

}

.pagination>.active>a,
.pagination>.active>span,
.pagination>.active>a:hover,
.pagination>.active>span:hover,
.pagination>.active>a:focus,
.pagination>.active>span:focus {
    z-index: 3;
    color: #fff !important;
    cursor: default;
    background-color: #1b5c92 !important;
    border-color: #1b5c92 !important;
}

.page-link {
    color: #333 !important
}

/* 自适应产品分类选项卡 */
.category-pills .nav-link {
    background-color: #f4f9fe;
    color: #333;
    border: 1px solid #e0f4ff;
    border-radius: 50px !important;
    font-size: 16px;
    padding: 12px 24px !important;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.category-pills .nav-link:hover {
    background-color: #1b5c92;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.category-pills .nav-link.active {
    background-color: #1b5c92 !important;
    color: white !important;
    border-color: #1b5c92 !important;
}

@media (max-width: 768px) {
    .category-pills-wrapper {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 10px;
    }

    .category-pills-wrapper::-webkit-scrollbar {
        display: none;
        /* Hide scrollbar for a cleaner look on mobile */
    }

    .header-action-btns {
        padding: 10px 0;
    }

    .category-pills .nav-link {
        font-size: 14px;
        padding: 10px 20px !important;
    }
}

/* ---- 悬浮四列业务展示区块 (新增需求) ---- */
.business-areas-wrapper {
    width: 100%;
    /* 采用暗色系城市背景贴合设计图 */
    background: url("../images/mbbg.jpg") no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    position: relative;
    color: #fff;
}

.business-areas-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* 原图带有深色蓝灰滤镜滤镜 */
    background: rgba(30, 45, 65, 0.75);
    z-index: 1;
}

.business-areas-wrapper .row {
    position: relative;
    z-index: 2;
}

.area-box {
    border-right: 1px solid rgba(255, 255, 255, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.05);
    /* 默认极度透明 */
}

/* 消除最右侧边框 */
.area-box:nth-child(4n) {
    border-right: none;
}

.area-box:hover {
    /* 鼠标悬停显示主色调（截图中的橙色系主视觉） */
    background: rgba(226, 155, 96, 0.95);
    border-color: transparent;
}

.area-icon {
    font-size: 3rem;
    color: #fff;
    margin-bottom: 20px;
    transition: all 0.5s ease;
}

.area-box h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 8px;
    transition: all 0.5s ease;
    font-weight: 500;
}

.area-box .subtitle {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    transition: all 0.5s ease;
    text-transform: capitalize;
}

/* 悬停隐藏副标题 */
.area-box:hover .subtitle {
    opacity: 0;
    transform: translateY(20px);
}

.area-desc {
    position: absolute;
    bottom: 120px;
    left: 20px;
    right: 20px;
    color: #fff;
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
}

/* 悬停展示具体文字，元素上移 */
.area-box:hover .area-icon {
    transform: translateY(-30px) scale(0.9);
}

.area-box:hover h3 {
    transform: translateY(-20px);
}

.area-box:hover .area-desc {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 991px) {
    .area-box {
        height: 320px;
    }
}

@media (max-width: 767px) {
    .area-box {
        border-right: none;
        /* 手机端取消右侧边框 */
        height: 280px;
    }

    .area-box:nth-child(2n) {
        border-right: none;
    }
}