/* ==================== 1. 重置样式 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* ==================== 2. 通用类 ==================== */
.container {
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 0 15px;
}

/* ==================== 3. 动画 ==================== */
@keyframes fadeInDown {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

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

@keyframes ring {
    0%, 100% { transform: rotate(0deg); }
    20% { transform: rotate(-15deg); }
    40% { transform: rotate(15deg); }
    60% { transform: rotate(-10deg); }
    80% { transform: rotate(10deg); }
}

/* ==================== 4. 头部区域 ==================== */
/* 顶部欢迎信息 */
.header-top {
    width: 100%;
    height: 40px;
    background-color: #fbfbfb;
    border-bottom: 1px solid #eeeeee;
    display: flex;
    align-items: center;
}

.header-top-content {
    color: #838383;
    font-size: 14px;
}

/* 主头部区域 */
.main-header {
    width: 100%;
    background-color: #fff;
    padding: 0;
}

.main-header > .container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 15px;
    padding-bottom: 15px;
}

/* LOGO区域 */
.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
    min-width: 0;
    opacity: 0;
    transform: translateY(-20px);
    animation: fadeInDown 0.6s ease forwards;
}

.logo {
    height: 80px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-section:hover .logo {
    transform: scale(1.05);
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-width: 0;
}

.company-info h1 {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    font-family: "Microsoft YaHei", sans-serif;
    padding-right: 8px;
    letter-spacing: 3px;
    white-space: nowrap;
}

.company-info p {
    font-size: 16px;
    color: #666;
    white-space: nowrap;
}

/* 联系电话区域 */
.contact-section {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    justify-content: flex-end;
    min-width: 0;
    opacity: 0;
    transform: translateY(-20px);
    animation: fadeInDown 0.6s ease forwards;
    animation-delay: 0.1s;
}

.tel-icon {
    height: 24px;
    width: auto;
    transition: transform 0.3s ease;
}

.contact-section:hover .tel-icon {
    transform: scale(1.1);
    animation: ring 0.5s ease;
}

.contact-info {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.hotline-text {
    font-size: 20px;
    font-weight: bold;
    color: #333;
}

.phone-number {
    font-size: 28px;
    font-weight: bold;
    color: #0466af;
    letter-spacing: 1px;
}

/* ==================== 5. 导航栏 ==================== */
.main-nav {
    width: 100%;
    background-color: #0466af;
}

.nav-list {
    list-style: none;
    display: flex;
    justify-content: space-between;
}

.nav-list li {
    position: relative;
}

.nav-list li a {
    display: block;
    padding: 15px 35px;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: background-color 0.3s ease;
    position: relative;
}

.nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background-color: #fff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-list li a:hover::after,
.nav-list li a.active::after {
    width: 60%;
}

/* 二级菜单 */
.has-submenu {
    position: relative;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 160px;
    background-color: #0466af;
    list-style: none;
    padding: 0;
    margin: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.has-submenu:hover .submenu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.submenu li a {
    padding: 10px 20px !important;
    font-size: 14px !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.submenu li:last-child a {
    border-bottom: none;
}

.submenu li a:hover {
    background-color: #2498f7;
    padding-left: 25px !important;
}

/* 默认隐藏汉堡菜单按钮 */
.nav-toggle {
    display: none;
}

/* ==================== 6. 页面通栏图 ==================== */
.page-banner {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.page-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ==================== 7. 页面内容区域 ==================== */
.page-content {
    padding: 60px 0;
}

.page-layout {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

/* 左侧栏目导航 - 现代卡片式 */
.page-sidebar {
    width: 260px;
    flex-shrink: 0;
    background: linear-gradient(180deg, #0466af 0%, #035696 100%);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(4, 102, 175, 0.3);
}

.sidebar-title {
    font-size: 20px;
    color: #fff;
    padding: 24px 28px;
    margin: 0;
    background: rgba(255, 255, 255, 0.1);
    letter-spacing: 2px;
}

.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0 0 40px 0;
}

.sidebar-nav li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 28px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.sidebar-nav li a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: #60a5fa;
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.sidebar-nav li a:hover,
.sidebar-nav li.active a {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    padding-left: 35px;
}

.sidebar-nav li a:hover::before,
.sidebar-nav li.active a::before {
    transform: scaleY(1);
}

.sidebar-nav li .nav-icon {
    width: 8px;
    height: 8px;
    background: currentColor;
    border-radius: 50%;
    opacity: 0.5;
}

.sidebar-nav li.active .nav-icon,
.sidebar-nav li a:hover .nav-icon {
    opacity: 1;
    background: #60a5fa;
}

/* 右侧内容 - 现代排版 */
.page-main {
    flex: 1;
    min-width: 0;
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 50%, #e8f4ff 100%);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(4, 102, 175, 0.1);
}

.page-about-content {
    padding-top: 10px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 10px;
}

.page-breadcrumb {
    font-size: 13px;
    color: #94a3b8;
}

.page-breadcrumb a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.3s;
}

.page-breadcrumb a:hover {
    color: #2563eb;
}

.breadcrumb-sep {
    margin: 0 6px;
}

.page-breadcrumb .current {
    color: #2563eb;
}

.page-about-title {
    font-size: 28px;
    color: #1e293b;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.page-about-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    border-radius: 2px;
}

.page-about-text {
    margin-top: 30px;
    line-height: 2.2;
    color: #475569;
}

.page-about-text p {
    margin-bottom: 24px;
    font-size: 16px;
}

.page-highlight {
    background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
    border-left: 4px solid #2563eb;
    padding: 24px 28px;
    margin: 20px 0;
    border-radius: 0 12px 12px 0;
    font-size: 15px;
    color: #334155;
    line-height: 1.8;
}

/* 移动端布局 */
@media screen and (max-width: 992px) {
    .page-layout {
        flex-direction: column;
        gap: 30px;
    }

    .page-sidebar {
        width: 100%;
        flex-shrink: 1;
        border-radius: 12px;
    }

    .page-banner {
        height: 200px;
    }

    .page-banner img {
        height: 200px;
        object-fit: cover;
    }

    .page-main {
        width: 100%;
        flex: none;
    }

    .sidebar-title {
        font-size: 18px;
        padding: 16px 20px;
    }

    .sidebar-nav {
        display: flex;
        flex-wrap: wrap;
        margin-bottom: 0;
    }

    .sidebar-nav li {
        border-bottom: none;
        flex: 1 1 auto;
        min-width: 33.33%;
    }

    .sidebar-hotline {
        display: none;
    }

    .sidebar-nav li a {
        padding: 12px 16px;
        font-size: 14px;
        justify-content: center;
    }

    .sidebar-nav li a:hover,
    .sidebar-nav li.active a {
        padding-left: 16px;
    }

    .sidebar-nav li .nav-icon {
        display: none;
    }

    .page-about-title {
        font-size: 24px;
    }

    .page-about-title::after {
        bottom: -12px;
    }
}

/* ==================== 8. 轮播图 ==================== */
.carousel-container {
    width: 100%;
    overflow: hidden;
    margin-top: 0;
}

.carousel {
    position: relative;
    width: 100%;
}

.carousel-track {
    width: 100%;
}

.carousel-slide {
    display: none;
    width: 100%;
}

.carousel-slide.active {
    display: block;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
}

.carousel-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s;
}

.dot.active {
    background-color: #fff;
}

/* ==================== 9. Banner区域 ==================== */
.banner {
    width: 100%;
    height: 400px;
    background-color: #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
}

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

/* ==================== 10. 标题区域 ==================== */
.section-title {
    text-align: center;
    padding: 0px;
}

.section-title h2 {
    font-size: 28px;
    color: #0466af;
    font-weight: bold;
    margin-bottom: 8px;
    opacity: 0;
    transform: translateY(-20px);
    animation: fadeInDown 0.6s ease forwards;
}

.section-subtitle {
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
    animation-delay: 0.2s;
}

.section-subtitle .line {
    flex: 1;
    height: 1px;
    background-color: #b4b4b4;
    position: relative;
}

.section-subtitle .line::before {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: #b4b4b4;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}

.section-subtitle .line:first-child::before {
    right: 0;
}

.section-subtitle .line:last-child::before {
    left: 0;
}

.section-subtitle .english {
    font-size: 14px;
    color: #b4b4b4;
    letter-spacing: 1px;
    padding: 0 20px;
    white-space: nowrap;
}

/* ==================== 11. 推荐产品区域 ==================== */
.recommended-products {
    padding: 20px 0 0;
}

.recommended-products .container {
    padding-bottom: 0;
}

/* ==================== 12. 产品详情布局 ==================== */
.products-layout {
    display: flex;
    flex-direction: row;
    gap: 40px;
    align-items: stretch;
    padding: 0;
}

/* 图片区域 */
.products-layout .product-image-wrapper {
    flex: 0 0 40%;
    width: 40%;
    position: relative;
}

.products-layout .product-image-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: calc(100% - 20px);
    height: calc(100% - 20px);
    background: #0466af;
}

.products-layout .product-image {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.products-layout .product-image img {
    width: calc(100% + 0px);
    height: calc(100% + 0px);
    max-width: none;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.products-layout .product-image:hover img {
    transform: scale(1.05);
}

/* 产品信息区域 */
.products-layout .product-info {
    flex: 0 0 60%;
    width: 60%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 60px;
    box-sizing: border-box;
}

/* 产品头部 */
.product-header {
    margin-bottom: 35px;
    padding-top: 20px;
    position: relative;
}

.product-header::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #0466af, #00a8ff);
    border-radius: 2px;
}

.product-title {
    font-size: 28px;
    color: #1a1a1a;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.2;
}

.product-title-en {
    font-size: 13px;
    color: #b4b4b4;
    letter-spacing: 3px;
    font-weight: 500;
    text-transform: uppercase;
    margin-left: 10px;
}

/* 产品特点 */
.product-features {
    margin-bottom: 35px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    padding: 10px 0px 10px 0;
    margin-bottom: 0;
    background: transparent;
    border-radius: 12px;
    border-left: none;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: transparent;
    transform: none;
    box-shadow: none;
}

.feature-num {
    font-size: 22px;
    color: #0466af;
    font-weight: 800;
    margin-right: 15px;
    flex-shrink: 0;
    opacity: 1;
}

.feature-content h4 {
    font-size: 17px;
    color: #1a1a1a;
    font-weight: 600;
    margin-bottom: 6px;
}

.feature-content p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.7;
    margin: 0;
}

/* 按钮 */
.product-action {
    margin-top: auto;
}

.btn-detail {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 32px;
    background: #0466af;
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-detail:hover {
    background: #035696;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(4, 102, 175, 0.4);
}

.btn-arrow {
    font-size: 18px;
    font-weight: 400;
    transition: transform 0.3s ease;
}

.btn-detail:hover .btn-arrow {
    transform: translateX(4px);
}

/* ==================== 13. 产品展示区域 ==================== */
.products-showcase {
    padding: 60px 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.products-section .container {
    padding-bottom: 40px;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 40px 0 40px;
    margin-top: 30px;
}

.showcase-card {
    display: block;
    background-color: #fff;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.5s ease forwards;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-bottom: 3px solid #0466af;
}

.showcase-card:nth-child(1) { animation-delay: 0.1s; }
.showcase-card:nth-child(2) { animation-delay: 0.2s; }
.showcase-card:nth-child(3) { animation-delay: 0.3s; }
.showcase-card:nth-child(4) { animation-delay: 0.4s; }

.showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(4, 102, 175, 0.2);
}

.showcase-top {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 30px 20px;
    text-align: center;
}

.showcase-title {
    font-size: 20px;
    color: #333;
    font-weight: bold;
    margin-bottom: 5px;
    transition: color 0.3s ease;
}

.showcase-card:hover .showcase-title {
    color: #0466af;
}

.showcase-title-en {
    font-size: 12px;
    color: #666;
    letter-spacing: 2px;
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.showcase-card:hover .showcase-title-en {
    color: #0466af;
}

.showcase-img {
    margin-bottom: 3px;
    overflow: hidden;
}

.showcase-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

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

.showcase-action {
    padding: 20px;
    text-align: center;
}

.showcase-card .btn-detail {
    display: inline-block;
    padding: 10px 32px;
    background-color: transparent;
    border: 1px solid #0466af;
    color: #0466af;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s ease;
}

.showcase-card:hover .btn-detail {
    background-color: #0466af;
    border-color: #0466af;
    color: #fff;
}

.product-action .btn-detail {
    background-color: #0466af;
    border-color: #0466af;
    color: #fff;
}

.product-action .btn-detail:hover {
    background-color: #035696;
    border-color: #035696;
}

/* ==================== 14. 产品列表区域 ==================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-item {
    background-color: #fff;
    border: 1px solid #eee;
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.product-img {
    width: 100%;
    height: 200px;
    background-color: #f5f5f5;
    overflow: hidden;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-item:hover .product-img img {
    transform: scale(1.02);
}

.product-item h3 {
    font-size: 16px;
    color: #333;
    margin: 15px 0 8px;
    padding: 0 15px;
}

.product-item p {
    font-size: 13px;
    color: #888;
    padding: 0 15px 15px;
}

/* ==================== 13. 公司简介区域 ==================== */
.about-company {
    padding: 60px 0;
    background-image: url('../img/jjbj.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.about-content {
    display: flex;
    align-items: stretch;
    margin-top: 40px;
}

.about-left {
    flex: 1;
    padding-right: 30px;
    position: relative;
}

.about-company-name {
    font-size: 24px;
    color: #333;
    font-weight: bold;
    margin-bottom: 25px;
    padding-top: 40px;
}

.about-text {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-left .btn-detail {
    display: inline-block;
    padding: 10px 25px;
    background-color: #0466af;
    border: 1px solid #0466af;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-bottom: 120px;
}

.about-blue-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background-color: #0466af;
    padding: 15px 30px;
    box-sizing: border-box;
    gap: 30px;
}

.blue-box-item {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.blue-box-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
}

.blue-box-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.blue-box-text h4 {
    font-size: 16px;
    color: #fff;
    font-weight: bold;
    margin-bottom: 4px;
}

.blue-box-text p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.4;
    margin: 0;
}

.about-right {
    flex: 1;
}

.about-right img {
    width: 100%;
    height: auto;
    display: block;
}

/* ==================== 14. 客户案例区域 ==================== */
.customer-cases {
    padding: 60px 0;
    background-image: url('../img/albj.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.case-title h2 {
    color: #fff;
}

.case-subtitle .line {
    background-color: #fff;
}

.case-subtitle .line::before {
    background-color: #fff;
}

.case-subtitle .english {
    color: #fff;
}

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

.case-card {
    display: block;
    background-color: transparent;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-card:hover {
    transform: translateY(-8px);
}

.case-image {
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.3);
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

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

.case-info {
    padding: 20px;
    text-align: left;
}

.case-name {
    font-size: 18px;
    color: #fff;
    font-weight: bold;
    margin-bottom: 8px;
}

.case-date {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 15px;
}

.case-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 25px;
    margin: 15px auto 0;
    background: transparent;
    border: 1px solid #fff;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    width: fit-content;
}

.case-card:hover .case-btn {
    background: #0466af;
    border-color: #0466af;
}

/* 移动端客户案例适配 */
@media screen and (max-width: 768px) {
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .case-btn {
        padding: 8px 20px;
        font-size: 13px;
    }
}

/* ==================== 14. 应用场景区域 ==================== */
.application-scenario {
    padding: 60px 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.scenario-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.scenario-card:nth-child(1),
.scenario-card:nth-child(3) {
    margin-top: 50px;
    transition: margin-top 0.3s ease;
}

.scenario-card:nth-child(1):hover,
.scenario-card:nth-child(3):hover {
    margin-top: 30px;
}

.scenario-card:nth-child(2),
.scenario-card:nth-child(4) {
    transition: margin-top 0.3s ease;
}

.scenario-card:nth-child(2):hover,
.scenario-card:nth-child(4):hover {
    margin-top: 20px;
}

.scenario-card {
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.scenario-img {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.scenario-img img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

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

.scenario-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 25%;
    background: linear-gradient(to top, rgba(4, 102, 175, 1), rgba(4, 102, 175, 0));
}

.scenario-text {
    position: absolute;
    bottom: 35px;
    left: 0;
    right: 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.scenario-text .cn {
    font-size: 20px;
    color: #fff;
    font-style: normal;
    font-weight: bold;
}

.scenario-text .en {
    font-size: 15px;
    color: #fff;
    font-style: normal;
    text-transform: uppercase;
    letter-spacing: 1px;
}
/* 移动端应用场景适配 */
@media screen and (max-width: 768px) {
    .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .scenario-card:nth-child(1),
    .scenario-card:nth-child(3) {
        margin-top: 0;
    }

    .scenario-card:nth-child(1):hover,
    .scenario-card:nth-child(3):hover,
    .scenario-card:nth-child(2):hover,
    .scenario-card:nth-child(4):hover {
        margin-top: 0;
    }
}

/* ==================== 15. 页脚 ==================== */
.main-footer {
    width: 100%;
    background-image: url('../img/end.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    padding: 0;
}

/* 顶部栏目导航 */
.footer-nav {
    position: relative;
    height: 80px;
    display: flex;
    align-items: center;
}

.footer-nav .container {
    width: 100%;
    padding: 0 15px;
}

.footer-nav-list {
    display: flex;
    justify-content: space-around;
    list-style: none;
    margin: 0;
    padding: 0;
    width: 100%;
}

.footer-nav-list li a {
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    padding: 5px 0;
    transition: color 0.3s;
}

.footer-nav-list li a:hover {
    color: #ddd;
}

.footer-nav-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: #fff;
}

/* 主体内容区域 */
.footer-main {
    display: flex;
    gap: 40px;
    padding: 30px 0;
}

/* 左侧65% */
.footer-left {
    flex: 1;
}

/* 右侧35% */
.footer-right {
    width: 30%;
    flex-shrink: 0;
}

/* 标题副标题 */
.footer-title-section {
    margin-bottom: 20px;
}

.footer-title-section h1 {
    font-size: 32px;
    font-weight: bold;
    color: #fff;
    font-family: "Microsoft YaHei", sans-serif;
    letter-spacing: 3px;
    margin-bottom: 8px;
}

.footer-title-section p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

/* 下方左右布局 */
.footer-info-row {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

/* 二维码 */
.footer-qrcode {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 30px;
}

.footer-qrcode img {
    width: 130px;
    height: 130px;
    background: #fff;
    padding: 6px;
    object-fit: contain;
}

.footer-qrcode-text {
    font-size: 14px;
    color: #fff;
    margin-top: 10px;
}

/* 联系方式列表 */
.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 30px;
}

/* 联系信息项 */
.footer-info-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-info-item img {
    width: 18px;
    height: 18px;
    object-fit: contain;
    flex-shrink: 0;
}

.footer-info-item span {
    font-size: 14px;
    color: #fff;
}

.footer-info-item .phone-number {
    font-size: 18px;
    font-weight: bold;
}

/* 留言咨询表单 */
.footer-form {
    padding: 20px;
    background: #fff;
    border-radius: 8px;
}

.footer-form h3 {
    font-size: 18px;
    color: #333;
    font-weight: bold;
    margin-bottom: 15px;
    text-align: center;
}

.form-row {
    margin-bottom: 12px;
}

.form-row label {
    display: block;
    font-size: 13px;
    color: #333;
    margin-bottom: 5px;
}

.form-row-inline {
    display: flex;
    gap: 15px;
}

.form-row-inline .form-row {
    flex: 1;
}

.form-row input,
.form-row textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    font-size: 13px;
    font-family: inherit;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.3s;
    background: #fff;
    color: #333;
}

.form-row input:focus,
.form-row textarea:focus {
    border-color: #0466af;
}

.form-row textarea {
    height: 60px;
    resize: none;
}

.form-submit {
    width: 100%;
    padding: 10px;
    background: #0466af;
    color: #fff;
    border: none;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.3s;
}

.form-submit:hover {
    background: #035696;
}

/* 底部版权 */
.footer-content {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.footer-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    text-align: center;
}

.footer-content a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-content a:hover {
    color: #fff;
    text-decoration: underline;
}

/* 页脚响应式 */
@media screen and (max-width: 992px) {
    .footer-main {
        flex-direction: column;
    }

    .footer-left,
    .footer-right {
        flex: none;
        width: 100%;
    }

    .footer-left {
        align-items: center;
        text-align: center;
    }

    .footer-company h1 {
        font-size: 24px;
    }
}

@media screen and (max-width: 768px) {
    .footer-nav-list {
        flex-wrap: nowrap;
        justify-content: space-between;
        gap: 0;
    }

    .footer-nav-list li {
        flex: 1;
        text-align: center;
        padding: 0 5px;
    }

    .footer-nav-list li a {
        font-size: 13px;
    }

    .footer-form {
        padding: 15px;
    }
}

@media screen and (max-width: 480px) {
    .footer-nav-list li a {
        font-size: 13px;
    }

    .footer-company h1 {
        font-size: 20px;
        letter-spacing: 1px;
    }

    .footer-company p {
        font-size: 14px;
    }

    .footer-qrcode {
        width: 100px;
        height: 100px;
    }

    /* 手机端隐藏二维码 */
    .footer-qrcode {
        display: none;
    }

    /* 手机端标题副标题缩小 */
    .footer-title-section h1 {
        font-size: 22px;
        letter-spacing: 1px;
    }

    .footer-title-section p {
        font-size: 14px;
    }

    /* 手机端联系信息左对齐 */
    .footer-info-row {
        align-items: flex-start;
        justify-content: flex-start;
    }

    .footer-info-item {
        justify-content: flex-start;
        text-align: left;
    }
}

/* ==================== 15. 新闻资讯区域 ==================== */
.news-section {padding: 60px 0; background: #fff;}
.news-wrapper {display: flex; gap: 20px; margin-top: 30px;}

/* 第一个卡片：图片全屏+渐变遮罩 */
.news-box-featured {
    flex: 0 0 40%;
    background: transparent;
    padding: 0;
    border-radius: 0;
    position: relative;
}

.news-featured-img {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
    overflow: hidden;
}

.news-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    margin-bottom: 0;
}

.news-featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, rgba(4, 102, 175, 1), rgba(4, 102, 175, 0));
    display: flex;
    align-items: flex-end;
}

.news-featured-content {
    padding: 30px;
    color: #fff;
}

.news-featured-content h3 {
    font-size: 22px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 12px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.news-featured-content p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.7;
    margin: 0;
}

/* 右侧列表区域 */
.news-list {
    flex: 1;
    display: flex;
    flex-direction: row;
    gap: 20px;
}

.news-box-item {
    flex: 1;
    background: #efeff1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.news-box-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: #0466af;
}

.news-box-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.news-item-date {
    font-size: 13px;
    color: #888;
    margin-bottom: 10px;
}

.news-box-item h3 {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 8px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    padding-right: 30px;
}

.news-box-item p {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-item-img {
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-bottom: 12px;
}

.news-item-img img {
    width: 100%;
    height: auto;
    display: block;
}

.news-more {
    font-size: 13px;
    color: #0466af;
    font-style: normal;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.news-more::after {
    content: '→';
    font-size: 16px;
}

/* 移动端新闻列表适配 */
@media screen and (max-width: 992px) {
    .news-wrapper {
        flex-direction: column;
    }
    
    .news-box-featured {
        flex: none;
    }
    
    .news-featured-img {
        min-height: 280px;
    }
    
    .news-list {
        flex: none;
        flex-direction: row;
    }
    
    .news-box-item {
        flex: 1;
    }
}

@media screen and (max-width: 768px) {
    .news-list {
        flex-direction: column;
    }
    
    .news-featured-img {
        min-height: 220px;
    }
    
    .news-featured-content {
        padding: 20px;
    }
    
    .news-featured-content h3 {
        font-size: 18px;
    }
    
    .news-featured-content p {
        font-size: 13px;
    }
}

/* ==================== 产品列表页样式 ==================== */
.product-list-content {
    margin-top: 10px;
}

.product-list-content .products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.product-list-content .product-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(4, 102, 175, 0.1);
    border-bottom: none;
    display: flex;
    flex-direction: column;
}

.product-list-content .product-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(4, 102, 175, 0.2);
}

.product-list-content .product-img {
    width: 100%;
    flex: 1;
    min-height: 200px;
    background-color: #f5f5f5;
    overflow: hidden;
}

.product-list-content .product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-list-content .product-item:hover .product-img img {
    transform: scale(1.1);
}

.product-list-content .product-item h3 {
    font-size: 16px;
    color: #333;
    margin: 15px 15px 15px;
    padding: 0;
    font-weight: 600;
}

/* 产品分页 */
.product-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e2e8f0;
}

.product-pagination a,
.product-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: 8px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.product-pagination a {
    background: #f1f5f9;
    color: #64748b;
    border: 1px solid #e2e8f0;
}

.product-pagination a:hover {
    background: #0466af;
    color: #fff;
    border-color: #0466af;
}

.product-pagination .current {
    background: #0466af;
    color: #fff;
    border: 1px solid #0466af;
}

.product-pagination .disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.product-pagination .page-ellipsis {
    background: transparent;
    border: none;
    color: #94a3b8;
}

/* ==================== 图片展示页样式 ==================== */
.img-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 20px;
}

.img-gallery-item {
    display: block;
    text-decoration: none;
    color: inherit;
}

.img-gallery-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.img-gallery-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(4, 102, 175, 0.15);
}

.img-gallery-img {
    width: 100%;
    aspect-ratio: 1/1;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f4ff 100%);
}

.img-gallery-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.img-gallery-info {
    padding: 15px;
    background: #fff;
}

.img-gallery-info h4 {
    font-size: 15px;
    color: #1e293b;
    margin-bottom: 5px;
    font-weight: 600;
}

.img-gallery-info p {
    font-size: 13px;
    color: #64748b;
    margin: 0;
}

/* 图片放大弹窗 */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-img {
    max-width: 100%;
    max-height: calc(90vh - 60px);
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-caption {
    color: #fff;
    font-size: 16px;
    padding: 15px 0;
    text-align: center;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.lightbox-close:hover {
    opacity: 0.7;
}

.lightbox-nav {
    position: fixed;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.lightbox-prev,
.lightbox-next {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.5);
    background: rgba(0,0,0,0.3);
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    pointer-events: auto;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(4, 102, 175, 0.8);
    border-color: #0466af;
}

@media screen and (max-width: 576px) {
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}

.sidebar-hotline {
    margin-top: 40px;
    padding: 25px 20px;
    background: linear-gradient(135deg, #0466af 0%, #035a96 100%);
    border-radius: 12px;
    text-align: center;
}

.sidebar-hotline .hotline-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-hotline .hotline-icon img {
    width: 28px;
    height: 28px;
}

.sidebar-hotline .hotline-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 10px;
}

.sidebar-hotline .hotline-number {
    font-size: 22px;
    font-weight: bold;
    color: #fff;
    letter-spacing: 2px;
    margin: 0;
}

/* 响应式 */
@media screen and (max-width: 992px) {
    .img-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media screen and (max-width: 576px) {
    .img-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .img-gallery-info {
        padding: 12px;
    }

    .img-gallery-info h4 {
        font-size: 14px;
    }

    .img-gallery-info p {
        font-size: 12px;
    }
}

/* ==================== 产品详情页样式 ==================== */
.product-detail-content {
    margin-top: 10px;
}

.product-detail-layout {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.product-detail-images {
    flex: 0 0 45%;
}

.product-detail-main-img {
    width: 100%;
    aspect-ratio: 1/1;
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f4ff 100%);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.product-detail-thumb {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.product-detail-thumb img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.product-detail-thumb img:hover,
.product-detail-thumb img.active {
    border-color: #0466af;
}

.product-detail-info {
    flex: 1;
}

.product-detail-info h3 {
    font-size: 28px;
    color: #1e293b;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-detail-subtitle {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e2e8f0;
}

.product-detail-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.product-simple-desc {
    margin: 20px 0 30px;
}

.product-simple-desc p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 12px;
}

.product-simple-desc p:last-child {
    margin-bottom: 0;
}

.detail-feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 8px;
}

.detail-feature-label {
    font-size: 14px;
    color: #64748b;
    font-weight: 500;
    white-space: nowrap;
    min-width: 80px;
}

.detail-feature-value {
    font-size: 14px;
    color: #334155;
}

.product-detail-contact {
    padding: 20px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-radius: 12px;
    border-left: 4px solid #2563eb;
}

.product-detail-contact p {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 15px;
}

.product-detail-contact .btn-detail {
    display: inline-block;
}

.product-detail-desc {
    margin-bottom: 40px;
}

.product-detail-desc h4,
.product-detail-params h4 {
    font-size: 20px;
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
    position: relative;
}

.product-detail-desc h4::after,

.product-detail-desc p {
    font-size: 15px;
    color: #475569;
    line-height: 2;
    margin-bottom: 15px;    
}


/* 产品详情页响应式 */
@media screen and (max-width: 992px) {
    .product-list-content .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .product-detail-layout {
        flex-direction: column;
        gap: 30px;
    }

    .product-detail-images {
        flex: none;
        width: 100%;
    }

    .product-detail-main-img {
        aspect-ratio: 1/1;
    }
}

@media screen and (max-width: 768px) {
    .product-list-content .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }

    .product-list-content .product-img {
        min-height: 150px;
    }

    .product-list-content .product-item h3 {
        font-size: 14px;
    }

    .product-detail-info h3 {
        font-size: 22px;
    }

    .product-detail-main-img {
        aspect-ratio: 1/1;
    }

    .detail-feature-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .params-table td {
        padding: 10px;
        font-size: 13px;
    }
}

@media screen and (max-width: 480px) {
    .product-list-content .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-list-content .product-img {
        min-height: 120px;
    }

    .product-detail-thumb {
        grid-template-columns: repeat(5, 1fr);
    }

    .page-about-title {
        font-size: 20px;
    }

    .page-about-title::after {
        bottom: -10px;
    }
}

/* ==================== 联系我们页面样式 ==================== */
.contact-detail-content {
    margin-top: 30px;
}

.contact-info-section {
    background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
    border-radius: 16px;
    padding: 35px 40px;
    margin-bottom: 40px;
    border-left: 4px solid #2563eb;
}

.contact-info-section h3 {
    font-size: 26px;
    color: #1e293b;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
}

.contact-info-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    border-radius: 2px;
}

.contact-intro {
    font-size: 15px;
    color: #64748b;
    margin-bottom: 30px;
    line-height: 1.8;
    padding-top: 10px;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 40px;
    margin-top: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px 20px;
    background: #fff;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.15);
}

.contact-label {
    font-size: 14px;
    color: #64748b;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
}

.contact-value {
    font-size: 15px;
    color: #334155;
    line-height: 1.6;
}

.contact-value.phone-number {
    font-size: 18px;
    color: #0466af;
    font-weight: bold;
}

.contact-map-section {
    margin-top: 20px;
}

.contact-map-section h3 {
    font-size: 22px;
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.contact-map-section h3::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    border-radius: 2px;
}

.map-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed #94a3b8;
}

.map-placeholder p {
    font-size: 16px;
    color: #64748b;
}

/* 联系我们页面响应式 */
@media screen and (max-width: 992px) {
    .contact-info-section {
        padding: 25px 30px;
    }

    .contact-info-section h3 {
        font-size: 22px;
    }

    .contact-details {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .map-placeholder {
        height: 300px;
    }
}

@media screen and (max-width: 768px) {
    .contact-info-section {
        padding: 20px;
        border-radius: 12px;
    }

    .contact-info-section h3 {
        font-size: 20px;
    }

    .contact-intro {
        font-size: 14px;
    }

    .contact-item {
        padding: 12px 15px;
    }

    .contact-label {
        font-size: 13px;
    }

    .contact-value {
        font-size: 14px;
    }

    .contact-value.phone-number {
        font-size: 16px;
    }

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

@media screen and (max-width: 480px) {
    .contact-info-section h3 {
        font-size: 18px;
    }

    .contact-item {
        flex-direction: column;
        gap: 5px;
    }

    .contact-label {
        font-size: 13px;
        color: #94a3b8;
    }

    .contact-value {
        font-size: 14px;
    }
}

/* ==================== 新闻列表页样式 ==================== */
.article-list-wrap {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 20px;
}

.article-list-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.article-list-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.article-list-img {
    flex: 0 0 280px;
    height: 180px;
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.article-list-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-list-item:hover .article-list-img img {
    transform: scale(1.05);
}

.article-list-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 12px;
    background: #0466af;
    color: #fff;
    font-size: 12px;
    border-radius: 3px;
}

.article-list-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.article-list-content h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.4;
    transition: color 0.3s;
}

.article-list-item:hover .article-list-content h3 {
    color: #0466af;
}

.article-list-content p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 10px;
}

.article-list-info {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: #999;
}

.article-list-info span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ==================== 新闻详情页样式 ==================== */
.article-detail-wrap {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.article-detail-header {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

.article-detail-header h1 {
    font-size: 24px;
    color: #333;
    line-height: 1.5;
    margin-bottom: 15px;
}

.article-detail-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 14px;
    color: #999;
}

.article-detail-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-detail-cover {
    margin-bottom: 25px;
    border-radius: 8px;
    overflow: hidden;
}

.article-detail-cover img {
    width: 100%;
    height: auto;
    display: block;
}

.article-detail-body {
    font-size: 15px;
    color: #555;
    line-height: 2;
}

.article-detail-body p {
    margin-bottom: 15px;
}

.article-detail-body p:last-child {
    margin-bottom: 0;
}

.article-detail-share {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 10px;
}

.article-detail-share span {
    color: #666;
    font-size: 14px;
}

.article-detail-share .share-btn {
    padding: 6px 15px;
    background: #f5f5f5;
    color: #666;
    border-radius: 4px;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.3s;
}

.article-detail-share .share-btn:hover {
    background: #0466af;
    color: #fff;
}

.article-detail-nav {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.article-detail-nav > div {
    font-size: 14px;
    color: #666;
}

.article-detail-nav a {
    color: #0466af;
    text-decoration: none;
}

.article-detail-nav a:hover {
    text-decoration: underline;
}

/* ==================== 移动端适配 ==================== */
@media screen and (max-width: 768px) {
    .page-main {
        padding: 10px;
    }

    .article-list-item {
        flex-direction: column;
        gap: 15px;
    }

    .article-list-img {
        flex: none;
        width: 100%;
        height: 200px;
    }

    .article-list-content h3 {
        font-size: 16px;
    }

    .article-list-content p {
        font-size: 13px;
        -webkit-line-clamp: 2;
    }

    .article-detail-wrap {
        padding: 20px 15px;
    }

    .article-detail-header h1 {
        font-size: 20px;
    }

    .article-detail-meta {
        flex-wrap: wrap;
        gap: 15px;
    }

    .article-detail-body {
        font-size: 14px;
    }
}



/* ==================== 16. 响应式设计 ==================== */

/* 1200px 及以下 */
@media screen and (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .logo {
        height: 60px;
    }

    .company-info h1 {
        font-size: 24px;
    }

    .company-info p {
        font-size: 13px;
    }

    .hotline-text {
        font-size: 16px;
    }

    .phone-number {
        font-size: 22px;
    }
}

/* 992px 及以下 */
@media screen and (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .logo {
        height: 50px;
    }

    .company-info h1 {
        font-size: 18px;
    }

    .company-info p {
        font-size: 12px;
    }

    .tel-icon {
        height: 18px;
    }

    .hotline-text {
        font-size: 13px;
    }

    .phone-number {
        font-size: 16px;
    }

    .contact-info {
        gap: 6px;
    }

/* 768px 及以下 */
@media screen and (max-width: 768px) {
    .header-top {
        display: none;
    }

    .container {
        max-width: 100%;
        padding: 0 10px;
    }

    .products-showcase {
        padding: 40px 0;
    }

    .logo {
        height: 45px;
    }

    .company-info h1 {
        font-size: 16px;
    }

    .company-info p {
        font-size: 11px;
    }

    .contact-section {
        display: none;
    }

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

    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .products-layout {
        flex-direction: column;
        gap: 0;
    }

    .products-layout .product-image-wrapper {
        width: 100%;
        height: 250px;
    }

    .products-layout .product-image-bg {
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
    }

    .products-layout .product-image {
        position: relative;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

    .products-layout .product-info {
        width: 100%;
        padding: 0;
    }

    .showcase-top {
        padding: 30px 0;
        text-align: center;
    }

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

    .product-title-en {
        font-size: 14px;
        letter-spacing: 2px;
    }

    .feature-item {
        flex-direction: row;
        align-items: center;
        gap: 10px;
    }

    .feature-num {
        margin-bottom: 0;
        flex-shrink: 0;
    }

    .btn-detail {
        padding: 8px 18px;
        font-size: 12px;
    }

    .logo-section {
        flex: 0 0 100%;
    }

    .company-info {
        text-align: left;
    }

    .main-nav {
        width: 100%;
    }

    .nav-list {
        display: flex;
        width: 100%;
        flex-wrap: wrap;
        justify-content: space-around;
    }

    .nav-list li {
        flex: 1;
        min-width: 0;
        text-align: center;
    }

    .nav-list li a {
        padding: 12px 10px;
        font-size: 14px;
        white-space: nowrap;
    }

    .banner {
        height: 250px;
    }

    /* 公司简介移动端适配 */
    .about-content {
        flex-direction: column;
    }

    .about-left {
        width: 100%;
        flex: none;
        padding-right: 0;
    }

    .about-right {
        width: 100%;
        flex: none;
    }

    .about-company-name {
        padding-top: 0;
        margin-bottom: 25px;
    }

    .about-left .btn-detail {
        margin-bottom: 300px;
    }

    .about-right img {
        width: 100%;
    }

    .about-blue-box {
        width: 100%;
        left: 0;
        flex-direction: column;
        height: auto;
        padding: 20px;
        gap: 20px;
    }

    .blue-box-item {
        width: 100%;
        border-right: none !important;
        padding-right: 0 !important;
        padding-bottom: 20px;
    }

    .blue-box-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .blue-box-icon {
        width: 40px;
        height: 40px;
    }
}

/* 480px 及以下 */
@media screen and (max-width: 480px) {
    .header-top-content {
        font-size: 12px;
    }

    .logo {
        height: 40px;
    }

    .company-info h1 {
        font-size: 18px;
        letter-spacing: 1px;
        margin-bottom: 2px;
    }

    .company-info p {
        font-size: 10px;
        margin-top: 0;
    }

    .phone-number {
        font-size: 16px;
    }

    /* 产品中心卡片文字 */
    .showcase-title {
        font-size: 16px;
    }

    .showcase-title-en {
        font-size: 10px;
    }

    .showcase-card .btn-detail {
        padding: 8px 18px;
        font-size: 12px;
    }

    /* 联系区域移动端适配 */
    .contact-section {
        flex-shrink: 0;
        margin-left: 10px;
    }

    /* 主头部移动端flex布局 */
    .main-header > .container {
        display: flex;
        flex-wrap: nowrap;
        justify-content: flex-start;
        align-items: center;
        padding: 10px 2%;
        overflow: hidden;
        gap: 10px;
    }

    .logo-section {
        flex: 1;
        min-width: 0;
    }

    /* 移动端菜单按钮 - 480px以下显示 */
    .nav-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background-color: transparent;
        cursor: pointer;
        outline: none;
        border: none;
        padding: 8px;
        flex-shrink: 0;
    }

    .hamburger {
        width: 22px;
        height: 3px;
        background-color: #0466af;
        position: relative;
        transition: all 0.3s ease;
    }

    .hamburger::before,
    .hamburger::after {
        content: '';
        position: absolute;
        width: 22px;
        height: 3px;
        background-color: #0466af;
        left: 0;
        transition: all 0.3s ease;
    }

    .hamburger::before {
        top: -7px;
    }

    .hamburger::after {
        top: 7px;
    }

    .nav-toggle.active .hamburger {
        background-color: transparent;
    }

    .nav-toggle.active .hamburger::before {
        top: 0;
        transform: rotate(45deg);
    }

    .nav-toggle.active .hamburger::after {
        top: 0;
        transform: rotate(-45deg);
    }

    .nav-toggle.active {
        font-size: 18px;
        color: #0466af;
    }

    /* 移动端导航 - 汉堡菜单样式 */
    .main-nav {
        position: relative;
        width: 100%;
    }

    .nav-list {
        display: none;
        flex-direction: column;
        width: 100vw;
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%);
        background-color: #0466af;
        z-index: 1000;
    }

    .nav-list.active {
        display: flex !important;
    }

    .nav-list li {
        flex: none;
        width: 100%;
        text-align: left;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-list li a {
        padding: 12px 15px;
        font-size: 14px;
        white-space: nowrap;
    }

    /* 移动端二级菜单 */
    .has-submenu .submenu {
        display: none;
        position: static;
        width: 100%;
        background-color: rgba(0, 0, 0, 0.2);
        box-shadow: none;
    }

    .has-submenu.active .submenu {
        display: block;
    }

    .submenu li a {
        padding: 10px 25px !important;
    }
}