* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: #1a365d;
    color: #fff;
    padding: 10px 0;
}

.header-contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.welcome-text {
    font-size: 14px;
    margin-bottom: 5px;
}

.hotline {
    font-size: 14px;
}

.hotline a {
    color: #f59e0b;
    text-decoration: none;
    margin-left: 10px;
}

.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-icon {
    display: flex;
    align-items: center;
}

.logo-icon a {
    display: flex;
    align-items: center;
    line-height: 0;
}

.logo-icon svg {
    width: 48px;
    height: 48px;
}

.logo-icon img {
    height: 52px;
    width: auto;
    max-width: 100%;
}

.logo-text h1 {
    font-size: 20px;
    color: #1a365d;
    margin-bottom: 3px;
}

.logo-text .tagline {
    font-size: 11px;
    color: #666;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
    height: 100%;
}

.nav-menu li {
    position: relative;
    padding-bottom: 10px;
}

.nav-menu li a {
    display: block;
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu .active a,
.nav-menu li a:hover,
.nav-menu li a.active {
    color: #0447a1;
}

.nav-menu > li.active > a::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #0447a1;
    border-radius: 2px;
    animation: slideIn 0.3s ease-out forwards;
    pointer-events: none;
}

@keyframes slideIn {
    from {
        transform: scaleX(0);
        transform-origin: left;
    }
    to {
        transform: scaleX(1);
        transform-origin: left;
    }
}

.nav-menu li.has-submenu {
    position: relative;
}

.nav-menu li.has-submenu .submenu {
    position: absolute;
    top: 100%;
    left: -70%;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    padding: 10px 0;
    min-width: 160px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
    /* margin-top: -10px; */
    padding-top: 15px;
}

.nav-menu li.has-submenu:hover .submenu,
.nav-menu li.has-submenu:focus-within .submenu {
    opacity: 1;
    visibility: visible;
}

.nav-menu li.has-submenu .submenu li {
    padding: 0;
    margin: 0;
    list-style: none;
}

.nav-menu li.has-submenu .submenu li a {
    display: block;
    padding: 10px 20px;
    color: #333;
    font-weight: normal;
    white-space: nowrap;
    line-height: 25px;
}

.nav-menu li.has-submenu .submenu li a:hover {
    background-color: #f5f5f5;
    color: #1a365d;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background-color: #1a365d;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 20px;
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu ul {
    list-style: none;
}

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

.mobile-menu ul li a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    font-weight: 500;
    position: relative;
    padding-left: 20px;
}

.mobile-menu ul li a.active {
    color: #1a365d;
}

.mobile-menu ul li a.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 16px;
    background-color: #1a365d;
    border-radius: 2px;
    animation: slideDown 0.3s ease-out forwards;
}

@keyframes slideDown {
    from {
        transform: translateY(-50%) scaleY(0);
        transform-origin: top;
    }
    to {
        transform: translateY(-50%) scaleY(1);
        transform-origin: top;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-menu ul li.has-submenu {
    position: relative;
}

.mobile-menu ul li.has-submenu .submenu {
    margin-left: 0;
    margin-top: 0;
    padding-left: 0;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, max-height 0.3s ease, margin 0.3s ease;
}

.mobile-menu ul li.has-submenu .submenu li {
    margin-bottom: 10px;
}

.mobile-menu ul li.has-submenu .submenu li a {
    font-size: 14px;
    color: #666;
    font-weight: normal;
}

.mobile-menu ul li.has-submenu.active .submenu {
    opacity: 1;
    visibility: visible;
    max-height: 800px;
    margin-left: 20px;
    margin-top: 10px;
}

/* 桌面端二级子菜单（产品展示三级分类） */
.nav-menu li.has-submenu .submenu li.has-sub-submenu {
    position: relative;
}

.nav-menu li.has-submenu .submenu li.has-sub-submenu > a::after {
    content: '▶';
    float: right;
    font-size: 10px;
    color: #999;
    margin-left: 15px;
}

.nav-menu .sub-submenu {
    position: absolute;
    left: 100%;
    top: 0;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    padding: 10px 0;
    min-width: 160px;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, visibility 0.15s ease;
    margin-left: -5px;
    /* padding-left: 15px; */
}

.nav-menu li.has-sub-submenu:hover .sub-submenu {
    opacity: 1;
    visibility: visible;
}

.nav-menu .sub-submenu li {
    padding: 0;
    margin: 0;
    list-style: none;
}

.nav-menu .sub-submenu li a {
    display: block;
    padding: 10px 20px;
    color: #333;
    font-weight: normal;
    white-space: nowrap;
}

.nav-menu .sub-submenu li a:hover {
    background-color: #f5f5f5;
    color: #1a365d;
}

/* 移动端二级子菜单 */
.mobile-menu ul li.has-sub-submenu .sub-submenu {
    margin-left: 0;
    margin-top: 0;
    padding-left: 0;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, max-height 0.3s ease, margin 0.3s ease;
}

.mobile-menu ul li.has-sub-submenu .sub-submenu li {
    margin-bottom: 8px;
}

.mobile-menu ul li.has-sub-submenu .sub-submenu li a {
    font-size: 13px;
    color: #888;
    font-weight: normal;
}

.mobile-menu ul li.has-sub-submenu.active .sub-submenu {
    opacity: 1;
    visibility: visible;
    max-height: 500px;
    margin-left: 20px;
    margin-top: 10px;
}

.hero {
    position: relative;
    overflow: hidden;
}

.hero-slider {
    display: flex;
    transition: transform 0.5s ease;
}

.hero-slide {
    flex: 0 0 100%;
    position: relative;
    background: linear-gradient(rgba(26, 54, 93, 0.7), rgba(26, 54, 93, 0.7));
    color: #fff;
    padding: 200px 0;
    text-align: center;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: rgba(26, 54, 93, 0.7); */
    z-index: 1;
}

.hero-slide > .container {
    position: relative;
    z-index: 2;
}

.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 3;
}

.indicator {
    width: 40px;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.4);
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.indicator.active {
    background-color: rgba(255, 255, 255, 0.9);
}
.hero-content {
    text-shadow:
            0 0 5px rgba(0, 0, 0, 0.3),
            0 2px 4px rgba(0, 0, 0, 0.3);
    /*-webkit-text-stroke: 1px rgba(0, 0, 0, 0.1);*/
}
.hero-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: #f59e0b;
    color: #fff;
}

.btn-primary:hover {
    background-color: #d97706;
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background-color: #fff;
    color: #1a365d;
}

.btn-outline {
    background-color: transparent;
    color: #1a365d;
    border: 2px solid #1a365d;
}

.btn-outline:hover {
    background-color: #1a365d;
    color: #fff;
}

.section-title {
    font-size: 28px;
    color: #1a365d;
    text-align: center;
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 16px;
    color: #999;
    text-align: center;
    margin-bottom: 40px;
}

.products-section {
    padding: 60px 0;
    background-color: #fff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.product-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.product-card h3 {
    font-size: 20px;
    color: #1a365d;
    margin-bottom: 10px;
}

.product-card p {
    color: #666;
    font-size: 14px;
}

.view-more {
    text-align: center;
}

.about-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text {
    text-align: right;
}

.about-text p {
    margin-bottom: 20px;
    color: #666;
    text-align: justify;
}

.read-more {
    display: inline-block;
    color: #1a365d;
    font-weight: 500;
    text-decoration: none;
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #fff;
    border: 2px solid #1a365d;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: #fff;
    background-color: #1a365d;
    border-color: #1a365d;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
}

.advantages-section {
    padding: 60px 0;
    background-color: #fff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    background-color: #f8f9fa;
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.advantage-card h3 {
    font-size: 18px;
    color: #1a365d;
    margin-bottom: 15px;
}

.advantage-card p {
    color: #666;
    font-size: 14px;
}

.advantages-description {
    margin: 40px 0;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #1a365d;
    max-width: 100%;
}

.advantages-description p {
    color: #555;
    font-size: 15px;
    line-height: 1.8;
    text-align: justify;
    margin: 0;
}

.cases-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.case-item {
    background-color: #fff;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #1a365d;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.case-item:hover {
    background-color: #1a365d;
    color: #fff;
    transform: translateY(-5px);
}

.solutions-section {
    padding: 60px 0;
    background-color: #fff;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.solution-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.05;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.solution-card:nth-child(1)::before {
    /* background-image: url('https://picsum.photos/800/600?random=50'); */
}

.solution-card:nth-child(2)::before {
    /* background-image: url('https://picsum.photos/800/600?random=51'); */
}

.solution-card:nth-child(3)::before {
    /* background-image: url('https://picsum.photos/800/600?random=52'); */
}

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

.solution-card h3 {
    font-size: 20px;
    color: #1a365d;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.solution-card p {
    color: #666;
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.footer {
    background-color: #1a365d;
    color: #fff;
    padding: 60px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.footer-info p {
    margin-bottom: 10px;
    font-size: 14px;
}

.footer-info a {
    color: #f59e0b;
    text-decoration: none;
}

.footer-links h4,
.footer-products h4 {
    font-size: 16px;
    margin-bottom: 20px;
}

.footer-links-grid,
.footer-products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.footer-links ul,
.footer-products ul {
    list-style: none;
}

.footer-links ul li,
.footer-products ul li {
    margin-bottom: 10px;
}

.footer-links ul li a,
.footer-products ul li a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover,
.footer-products ul li a:hover {
    color: #f59e0b;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    color: #ccc;
}
.footer-bottom a{
    text-decoration: none;
    color: #ccc;
}


.page-banner {
    background-color: #1a365d;
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.page-banner h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

.page-banner p {
    font-size: 16px;
    opacity: 0.8;
}

.about-detail {
    padding: 60px 0;
    background-color: #fff;
}

.about-content-full {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
    align-items: center;
}

.about-content-full:nth-child(even) {
    grid-template-columns: 1fr 1fr;
}

.about-content-full img {
    width: 100%;
    border-radius: 10px;
}

.about-text-full h3 {
    font-size: 24px;
    color: #1a365d;
    margin-bottom: 20px;
}

.about-text-full p {
    margin-bottom: 15px;
    color: #666;
    text-align: justify;
}

.partners-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
}

.partner-item {
    background-color: #fff;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #1a365d;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}
.partner-item:hover {
    transform: scale(1.1);
}

.products-category {
    padding: 10px 0 30px 0;
    background-color: #fff;
}

.product-search {
    margin-bottom: 15px;
    width: 100%;
    display: flex;
    gap: 10px;
}

.product-search input {
    flex: 1;
    padding: 10px 18px;
    border: 2px solid #e0e0e0;
    border-radius: 25px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease;
}

.product-search input:focus {
    border-color: #1a365d;
}

.product-search input::placeholder {
    color: #999;
}

.search-btn {
    padding: 10px 25px;
    background-color: #1a365d;
    color: #fff;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.search-btn:hover {
    background-color: #2c5282;
}

/* 产品页左右布局 */
.products-layout {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

/* 左侧侧边栏分类 */
.products-sidebar {
    width: 240px;
    flex-shrink: 0;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    position: sticky;
    top: 150px;
}

.sidebar-title {
    background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
    padding: 20px;
    color: #fff;
}

.sidebar-title h3 {
    margin: 0;
    font-size: 18px;
    color: #fff;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-item {
    border-bottom: 1px solid #f0f0f0;
}

.sidebar-item:last-child {
    border-bottom: none;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.sidebar-link:hover {
    background-color: #f8f9fa;
    color: #1a365d;
}

.sidebar-item.active > .sidebar-link {
    background-color: #f0f4f8;
    color: #1a365d;
    font-weight: 500;
}

.sidebar-icon {
    margin-right: 10px;
    font-size: 18px;
}

.sidebar-text {
    flex: 1;
}

.sidebar-arrow {
    font-size: 10px;
    color: #999;
    transition: transform 0.3s ease;
}

.sidebar-item.open > .sidebar-link .sidebar-arrow,
.sidebar-item:hover > .sidebar-link .sidebar-arrow {
    transform: rotate(180deg);
}

/* 二级子菜单 */
.sidebar-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: #fafafa;
}

.sidebar-item.open > .sidebar-submenu,
.sidebar-item:hover > .sidebar-submenu,
.sidebar-item.active > .sidebar-submenu {
    max-height: 500px;
}

.sidebar-submenu li a {
    display: block;
    padding: 12px 20px 12px 50px;
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-submenu li a:hover {
    color: #1a365d;
    background-color: #f0f4f8;
    border-left-color: #1a365d;
}

.sidebar-submenu li a.active {
    color: #1a365d;
    background-color: #e8f0fe;
    border-left-color: #1a365d;
    font-weight: 500;
}

/* 右侧产品列表 */
.products-main {
    flex: 1;
    min-width: 0;
    width: 100%;
}

.current-filter {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding: 10px 0;
    border-bottom: 2px solid #f0f0f0;
}

.current-filter span {
    font-size: 16px;
    color: #1a365d;
    font-weight: 500;
}

.current-filter span:first-child::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 16px;
    background-color: #1a365d;
    margin-right: 10px;
    border-radius: 2px;
}

.current-filter .breadcrumb-sep {
    color: #999;
    font-weight: 400;
    margin: 0 8px;
    font-size: 14px;
}

.sidebar-toggle {
    display: none;
    width: 100%;
    padding: 12px;
    background-color: #1a365d;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    text-align: left;
}

.category-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.category-tab {
    padding: 10px 25px;
    background-color: #f8f9fa;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-tab.active,
.category-tab:hover {
    background-color: #1a365d;
    color: #fff;
}

.products-nav a {
    text-decoration: none;
    color: #333333;
}
.products-nav a:hover {
    text-decoration: underline;
    color: #000;
}
.products-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.product-detail-card {
    background-color: #f8f9fa;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    cursor: pointer;
}

.product-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.product-detail-card .product-image-container {
    width: 100%;
    height: 200px;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
}

.product-detail-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.product-detail-card img:hover {
    transform: scale(1.15);
}

.product-detail-card h3 {
    padding: 20px 20px 10px;
    font-size: 18px;
    color: #1a365d;
}

.product-detail-card p {
    padding: 0 20px 20px;
    color: #666;
    font-size: 14px;
}

.cases-detail {
    padding: 60px 0;
    background-color: #fff;
}

.cases-category {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.case-category-btn {
    padding: 10px 20px;
    background-color: #f8f9fa;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.case-category-btn.active,
.case-category-btn:hover {
    background-color: #1a365d;
    color: #fff;
}

.cases-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.case-detail-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.case-detail-card:hover {
    transform: translateY(-5px);
}

.case-detail-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.case-info {
    padding: 20px;
}

.case-info h3 {
    font-size: 18px;
    color: #1a365d;
    margin-bottom: 10px;
}

.case-category {
    font-size: 12px;
    color: #f59e0b;
    margin-bottom: 10px;
}

.case-info p {
    color: #666;
    font-size: 14px;
}

.solutions-detail {
    padding: 60px 0;
    background-color: #fff;
}

.solutions-full-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.solution-detail-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 30px;
    transition: all 0.3s ease;
}

.solution-detail-card:hover {
    /*transform: translateY(-5px);*/
    transform:scale(1.02);
    background: #FFFFFF;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.solution-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.solution-detail-card h3 {
    font-size: 22px;
    color: #1a365d;
    margin-bottom: 20px;
}

.solution-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 20px;
    transition: all 0.5s ease;
}

.solution-image img:hover {
    /*transform: scale(1.1);*/
}

.solution-detail-card p {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
}

.solution-detail-card h4 {
    font-size: 16px;
    color: #1a365d;
    margin-bottom: 15px;
}

.solution-detail-card ul {
    list-style: none;
    padding-left: 0;
}

.solution-detail-card ul li {
    padding-left: 20px;
    position: relative;
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.solution-detail-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #f59e0b;
}

.contact-detail {
    padding: 60px 0;
    background-color: #fff;
}

.contact-content {
    margin-bottom: 40px;
}

.contact-info h3 {
    font-size: 24px;
    color: #1a365d;
    margin-bottom: 30px;
    text-align: center;
}

.contact-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.contact-item {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.contact-icon {
    font-size: 36px;
    margin-bottom: 15px;
    color: #1a365d;
}

.contact-text h4 {
    font-size: 16px;
    color: #333;
    margin-bottom: 8px;
}

.contact-text p {
    color: #666;
    font-size: 14px;
}

.contact-text p a {
    color: #1a365d;
    text-decoration: none;
}

.map-section h3 {
    font-size: 24px;
    color: #1a365d;
    margin-bottom: 20px;
}

.map-placeholder img {
    width: 100%;
    border-radius: 10px;
    height: 400px;
    object-fit: cover;
}

.news-detail {
    padding: 60px 0;
    background-color: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.news-card {
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    /*transition: transform 0.3s ease;*/
    opacity: 0;
    /*transform: translateY(5px);*/
    cursor: pointer;
}

.news-card.animate {
    animation: fadeInUp 0.4s ease forwards;
}

.news-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.news-card-item:hover {
    transform: translateY(-5px);
    transition: transform 0.3s ease;
}

.news-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-info {
    padding: 20px;
}

.news-date {
    font-size: 12px;
    color: #999;
    margin-bottom: 10px;
}

.news-info h3 {
    font-size: 18px;
    color: #1a365d;
    margin-bottom: 10px;
}

.news-info p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.news-info .read-more {
    margin-top: 0;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.page-btn {
    padding: 10px 20px;
    background-color: #f8f9fa;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
    background-color: #1a365d;
    color: #fff;
}

.page-btn.active {
    background-color: #1a365d;
    color: #fff;
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.nodata {
    text-align: center;
    padding: 80px 20px;
    color: #999;
    font-size: 16px;
    grid-column: 1 / -1;
}

@media (max-width: 1024px) {
    .about-content,
    .about-content-full {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content-full:nth-child(even) {
        grid-template-columns: 1fr;
    }

    .cases-detail-grid,
    .solutions-full-grid,
    .news-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .products-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .products-layout {
        flex-direction: column;
        gap: 10px;
    }

    .products-sidebar {
        width: 100%;
        position: static;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }

    .logo-text h1 {
        font-size: 18px;
    }

    .logo-icon svg {
        width: 40px;
        height: 40px;
    }

    .logo-icon img {
        height: 40px;
    }
}

@media (max-width: 768px) {
    .header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
    }

    .navbar {
        padding: 8px 0;
    }

    body {
        padding-top: 50px;
    }

    .navbar .container {
        justify-content: center;
        position: relative;
    }

    .logo {
        gap: 8px;
    }

    .logo-text h1 {
        font-size: 14px;
    }

    .logo-icon svg {
        width: 30px;
        height: 30px;
    }

    .logo-icon img {
        height: 30px;
    }

    .logo-text .tagline {
        display: none;
    }

    .mobile-menu-btn {
        position: absolute;
        right: 15px;
        top: 50%;
        transform: translateY(-50%);
    }

    .header-top {
        display: none;
    }

    .header-contact {
        flex-direction: column;
        text-align: center;
    }

    .welcome-text {
        margin-bottom: 10px;
    }

    .hotline {
        margin-top: 5px;
    }

    .hotline a {
        margin-left: 5px;
    }

    .logo-text h1 {
        font-size: 16px;
    }

    .logo-icon svg {
        width: 36px;
        height: 36px;
    }

    .logo-icon img {
        height: 36px;
    }

    .nav-menu {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu {
        display: flex;
    }

    .hero-content h2 {
        font-size: 28px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .about-content,
    .about-content-full {
        grid-template-columns: 1fr;
    }

    .contact-list {
        grid-template-columns: 1fr;
    }

    .contact-item {
        display: flex;
        align-items: center;
        text-align: left;
        padding: 15px;
        gap: 15px;
    }

    .contact-icon {
        font-size: 28px;
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .contact-text h4 {
        font-size: 14px;
        margin-bottom: 3px;
    }

    .contact-text p {
        font-size: 13px;
    }

    .news-detail,
    .cases-detail,
    .solutions-detail,
    .contact-detail,
    .about-detail {
        padding: 10px 0;
    }

    .about-content-full:nth-child(even) {
        grid-template-columns: 1fr;
    }

    .cases-detail-grid,
    .solutions-full-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        text-align: center;
        grid-template-columns: 1fr;
    }

    .footer-links-grid {
        grid-template-columns: repeat(2, 1fr);
        justify-content: center;
        gap: 15px;
        max-width: 280px;
        margin: 0 auto;
    }

    .footer-products-grid {
        grid-template-columns: repeat(2, 1fr);
        justify-content: center;
        gap: 10px;
        max-width: 280px;
        margin: 0 auto;
    }

    .footer-links,
    .footer-products {
        text-align: center;
    }

    .map-placeholder img {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero {
    }
    .hero-slide {
        padding: 60px 0;
    }

    .hero-content h2 {
        font-size: 24px;
    }

    .section-title {
        font-size: 24px;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .product-icon {
        margin-bottom: 0;
    }

    .product-card h3 {
        font-size: 16px;
    }

    .product-card p {
        font-size: 12px;
    }

    .read-more {
        text-align: center;
        display: block;
    }

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

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .category-tabs,
    .cases-category {
        gap: 6px;
    }

    .category-tab,
    .case-category-btn {
        padding: 8px 15px;
        font-size: 12px;
    }

    .products-sidebar {
        order: -1;
    }

    .sidebar-title {
        display: none;
    }

    .sidebar-toggle {
        display: block;
    }

    .sidebar-menu {
        display: none;
    }

    .sidebar-menu.show {
        display: block;
    }

    .sidebar-link {
        padding: 10px 14px;
        font-size: 13px;
    }

    .sidebar-icon {
        font-size: 15px;
        margin-right: 8px;
    }

    .sidebar-submenu li a {
        padding: 8px 14px 8px 38px;
        font-size: 13px;
    }

    .products-main .products-detail-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .product-detail-card h3 {
        padding: 10px 12px 5px;
        font-size: 14px;
    }

    .product-detail-card p {
        padding: 0 12px 10px;
        font-size: 12px;
    }

    .product-detail-card .product-image-container {
        height: 130px;
    }

    .current-filter span {
        font-size: 14px;
    }

    .page-banner h2 {
        font-size: 26px;
    }

    .logo-text h1 {
        font-size: 14px;
    }

    .logo-icon svg {
        width: 32px;
        height: 32px;
    }

    .logo-icon img {
        height: 32px;
    }

    .footer-links-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        max-width: 260px;
        margin: 0 auto;
    }

    .footer-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0;
        max-width: 260px;
        margin: 0 auto;
    }

    .footer-links,
    .footer-products {
        text-align: center;
    }
}


 /* ----- 全局重置（仅限卡片容器内部，不影响外部）----- */
        .recruitment-wrapper * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .recruitment-wrapper {
            display: block;
            max-width: 900px;
            width: 100%;
            margin: 0 auto;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            color: #0b2a44;
            padding: 20px 16px;
        }

        /* ----- 卡片容器（每个岗位一张卡片）----- */
        .recruitment-wrapper .requirement-card {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 40px;
            padding: 32px 36px 36px;
            margin-bottom: 28px;
            box-shadow:
                0 20px 40px -16px rgba(0, 20, 40, 0.20),
                0 8px 20px -6px rgba(0, 0, 0, 0.06),
                inset 0 1px 2px rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transition: transform 0.15s ease, box-shadow 0.2s ease;
        }

        .recruitment-wrapper .requirement-card:hover {
            transform: translateY(-3px);
            box-shadow:
                0 28px 48px -18px rgba(0, 30, 60, 0.25),
                0 12px 24px -8px rgba(0, 0, 0, 0.08);
        }

        .recruitment-wrapper .requirement-card:last-of-type {
            margin-bottom: 32px;
        }

        /* ----- 头部：职位 + 人数 (类名改为 requirement-header) ----- */
        .recruitment-wrapper .requirement-header {
            display: flex;
            flex-wrap: wrap;
            align-items: baseline;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 2px solid rgba(0, 80, 150, 0.08);
        }

        .recruitment-wrapper .title-group {
            display: flex;
            flex-wrap: wrap;
            align-items: baseline;
            gap: 12px 18px;
        }

        .recruitment-wrapper .job-title {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #0b2a44 0%, #1a4a6b 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .recruitment-wrapper .badge-count {
            display: inline-flex;
            align-items: center;
            background: #eef4fa;
            padding: 4px 16px 4px 14px;
            border-radius: 60px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #1d4c78;
            border: 1px solid rgba(60, 120, 200, 0.12);
            box-shadow: inset 0 1px 2px white;
            gap: 4px;
        }

        .recruitment-wrapper .badge-count::before {
            content: "👥";
            font-size: 1rem;
            margin-right: 2px;
        }

        .recruitment-wrapper .badge-count strong {
            font-weight: 700;
            color: #0f3b5e;
            margin: 0 2px;
        }

        /* ----- 内容区域（两列：工作内容 + 岗位要求）----- */
        .recruitment-wrapper .grid-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px 28px;
            margin-top: 4px;
        }

        .recruitment-wrapper .section-block {
            background: rgba(255, 255, 255, 0.45);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            border-radius: 20px;
            padding: 18px 20px 20px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            box-shadow: 0 2px 8px rgba(0, 20, 40, 0.03);
        }

        .recruitment-wrapper .section-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1rem;
            font-weight: 600;
            color: #1b3d5a;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            border-bottom: 1.5px dashed rgba(60, 100, 150, 0.12);
            padding-bottom: 10px;
        }

        .recruitment-wrapper .section-title i {
            font-style: normal;
            font-size: 1.1rem;
        }

        /* 列表样式 */
        .recruitment-wrapper .duty-list,
        .recruitment-wrapper .requirement-list {
            list-style: none;
            margin: 0;
        }

        .recruitment-wrapper .duty-list li,
        .recruitment-wrapper .requirement-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 6px 0 6px 2px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.03);
            font-size: 0.95rem;
            line-height: 1.6;
            color: #1f3d57;
        }

        .recruitment-wrapper .duty-list li:last-child,
        .recruitment-wrapper .requirement-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .recruitment-wrapper .duty-list li::before {
            content: "▹";
            color: #2b7bb6;
            font-weight: 700;
            font-size: 1.1rem;
            line-height: 1.4;
            flex-shrink: 0;
        }

        .recruitment-wrapper .requirement-list li::before {
            content: "◆";
            color: #4f8bb3;
            font-size: 0.75rem;
            flex-shrink: 0;
            margin-top: 5px;
        }

        /* ----- 统一的应聘方式（放置在所有卡片底部）----- */
        .recruitment-wrapper .apply-global {
            margin-top: 12px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            background: rgba(220, 237, 250, 0.5);
            border-radius: 60px;
            padding: 16px 30px 16px 34px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            box-shadow: 0 2px 12px rgba(0, 20, 40, 0.04);
        }

        .recruitment-wrapper .apply-email {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .recruitment-wrapper .apply-email .label {
            font-weight: 500;
            color: #1b3d5a;
            font-size: 0.95rem;
        }

        .recruitment-wrapper .email-link {
            background: white;
            padding: 8px 24px;
            border-radius: 60px;
            font-weight: 600;
            color: #065a8f;
            text-decoration: none;
            border: 1px solid #b6d4ed;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
            transition: all 0.2s;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
        }

        .recruitment-wrapper .email-link:hover {
            background: #e4f0fa;
            border-color: #7fb0d4;
            box-shadow: 0 4px 10px rgba(30, 100, 180, 0.08);
            transform: scale(1.01);
        }

        .recruitment-wrapper .apply-note {
            color: #2a577b;
            font-size: 0.9rem;
            background: rgba(255, 255, 255, 0.5);
            padding: 5px 20px;
            border-radius: 60px;
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        /* ----- 响应式调整 ----- */
        @media (max-width: 720px) {
            .recruitment-wrapper .requirement-card {
                padding: 24px 18px 28px;
                border-radius: 32px;
            }
            .recruitment-wrapper .grid-content {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .recruitment-wrapper .job-title {
                font-size: 1.5rem;
            }
            .recruitment-wrapper .requirement-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .recruitment-wrapper .apply-global {
                flex-direction: column;
                align-items: stretch;
                gap: 14px;
                padding: 18px 20px;
                border-radius: 32px;
            }
            .recruitment-wrapper .apply-email {
                justify-content: center;
            }
        }

        @media (max-width: 450px) {
            .recruitment-wrapper {
                padding: 12px 8px;
            }
            .recruitment-wrapper .requirement-card {
                padding: 18px 12px 22px;
                border-radius: 24px;
            }
            .recruitment-wrapper .job-title {
                font-size: 1.3rem;
            }
            .recruitment-wrapper .section-block {
                padding: 14px 14px 16px;
            }
            .recruitment-wrapper .duty-list li,
            .recruitment-wrapper .requirement-list li {
                font-size: 0.9rem;
            }
        }