/* ====================== 全局样式 ====================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    color: #1E293B;
    background-color: #F8FAFC;
    overflow-x: hidden;
}

a{
    text-decoration: none;
}
.container {
    width: 90%;
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width:920px) {
    .container{
        width: 96%;
    }
}

/* 颜色变量 */
:root {
    --primary: #0A3D62;
    --gold: #D4AF37;
    --dark: #1E293B;
    --light: #F8FAFC;
    --gray: #f5f5f5;
}

/* 通用间距 */
.section {
    padding: 60px 0;
}

.section-white {
    background: #fff;
}

.section-gray {
    background: #f5f5f5;
}

.section-primary {
    background: #0a3d62;
    color: #fff;
}

/* 标题样式 */
.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: bold;
    color: #0a3d62;
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 20px;
}

.section-heading {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 24px;
}

.text-white {
    color: #fff !important;
}

.text-gold {
    color: #d4af37 !important;
}

.text-light {
    color: #e2e8f0;
}

.mt-8 {
    margin-top: 32px;
}

/* 网格布局 */
.grid {
    display: grid;
    gap: 30px;
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* 卡片悬浮动画 */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.sjkx {
    display: block;
}

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

/* ====================== 导航栏 ====================== */
.header {
    position: fixed;
    width: 100%;
    height: 80px;
    top: 0;
    z-index: 999;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

 /* ====================== 新版Logo样式（推荐） ====================== */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}
.logo:hover {
    gap: 15px;
}
/* 图标容器 - 鎏金底色+白色图标，商务质感拉满 */
.logo-icon {
    width: 40px;
    height: 40px;
    background: #d4af37;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 4px 10px rgba(212, 175, 55, 0.2);
}
.logo-icon img{
    width: 18px;
    height: 18px;
}
/* 文字组 */
.logo-text-group {
    line-height: 1.2;
}
/* 主标题 */
.logo-main {
    display: block;
    font-size: 30px;
    font-weight: 800;
    color: #0a3d62;
    letter-spacing: 1px;
}
/* 副标题（英文） */
.logo-sub {
    display: block;
    font-size: 14px;
    color: #d4af37;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* 桌面导航 */
.nav-desktop {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: #0a3d62;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-link:hover {
    color: #d4af37;
}

/* 移动端按钮 */
.nav-mobile-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #0a3d62;
    cursor: pointer;
}
.nav-mobile-btn img{
    width: 24px;
    height: 24px;
}

/* 移动端导航 */
.nav-mobile {
    display: none;
    background: #fff;
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
}

.nav-mobile-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 15px 0;
}

.nav-mobile-link {
    color: #0a3d62;
    padding: 10px 0;
    border-bottom: 1px solid #f1f1f1;
    text-decoration: none;
}

.hidden {
    display: block;
}

@media (max-width:768px) {
    .logo-main{
        font-size: 30px;
    }
    .logo-sub{
        font-size: 16px;
    }
}

/* ====================== Banner ====================== */
.banner {
    min-height: 100vh;
    background: url('../UploadFiles/bj/banner1.jpg') center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}

.banner-overlay {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #fff;
}

.banner-content {
    max-width: 1000px;
}

.banner-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: bold;
    margin-bottom: 16px;
}

.banner-en {
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: #d4af37;
    margin-bottom: 32px;
}

.banner-slogan {
    font-size: clamp(1.2rem, 3vw, 2rem);
    margin-bottom: 48px;
}

@media (max-width:920px) {
    .banner{
        min-height: 60vh;
    }
    .banner-title{
        margin-bottom: 5px;
    }
    .banner-en{
        margin-bottom: 10px;
    }
    .banner-slogan{
        margin-bottom: 10px;
    }
}


.btn-primary {
    display: inline-block;
    background: #d4af37;
    color: #0a3d62;
    padding: 12px 32px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: #fff;
}

/* ====================== 关于我们样式 ====================== */
  .about-wrapper {
    /* display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center; */
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .about-syleft{
    width: 45%;
    padding: 70px 0;
  }
  
  .about-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: #0a3d62;
    margin-bottom: 16px;
  }
  
  .about-desc {
    line-height: 2.6;
    color: #444;
    font-size: 1rem;
  }
  
  .about-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
  }
  
  .about-tags span {
    padding: 8px 18px;
    background: #f1f5f9;
    color: #0a3d62;
    border-radius: 50px;
    
    font-weight: 500;
    border: 1px solid #e2e8f0;
    border-radius: 30px;
  }

  .about-syright{
    width: 50%;
    max-height: 400px;
  }
  
  .about-syright img{
    width: 100%;
    height: 100%;
  }

  /* 国际范动态按钮 */
.btn-global {
    display: inline-block;
    padding: 14px 36px;
    background: #0A3D62;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 50px; /* 国际风大圆角 */
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
    border: none;
    cursor: pointer;
    margin-top: 20px;
  }
  
  /* 悬浮动态效果 */
  .btn-global:hover {
    background: #1d4ed8;
    transform: translateY(-3px); /* 向上浮起 */
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25); /* 阴影变大 */
  }
  
  /* 点击动态效果 */
  .btn-global:active {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
  }

  
  /* 响应式 */
  @media (max-width: 920px) {
    .about-wrapper {
        flex-wrap: wrap;
    }
    .about-syleft{
        width: 100%;
        padding: 0 ;
    }
    .about-syright{
        width: 100%;
        margin-top: 20px;
    }
  }



/* ====================== 集团实力 ====================== */
.industry-ecology {
    margin-bottom: 60px;
    text-align: center;
}

.card {
    background: #f5f5f5;
    padding: 32px;
    border-radius: 16px;
    text-align: center;
}

.card-icon {
    font-size: 32px;
    color:#d4af37;
    margin-bottom: 16px;
}

.card-icon img{
    width: 40px;
    height: 40px;
}

.card-title {
    font-size: 18px;
    font-weight: bold;
    color: #0a3d62;
    margin-bottom: 12px;
}

.card-desc {
    color: #666;
    
}

.advantage-card {
    padding: 36px;
    border: 1px solid #eee;
    border-radius: 8px;
    text-align: center;
}

.advantage-card img{
    width: 40px;
    height: 40px;
}

.advantage-title {
    font-weight: bold;
    margin-bottom: 8px;
    font-size: 18px;
}

.advantage-desc {
    
    color: #666;
}

/* ====================== 业务布局 ====================== */
.business-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 60px;
}

.business-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.strategy-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    padding: 32px;
    border-radius: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.strategy-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ====================== 重点项目 ====================== */
.project-card {
    background: #f5f5f5;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.project-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.project-info {
    padding: 24px;
}

.project-title {
    font-size: 20px;
    font-weight: bold;
    color: #0a3d62;
    margin-bottom: 12px;
}

.project-desc {
    color: #666;
    margin-bottom: 16px;
}




/* ====================== 页脚 ====================== */
.footer {
    background: #1e293b;
    color: #fff;
    text-align: center;
    padding: 32px 0;
}


/* ====================== 响应式适配 ====================== */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 920px) {
    .nav-desktop {
        display: none;
    }
    
    .nav-mobile-btn {
        display: block;
    }
    
    .grid-2,
    .grid-3,
    .business-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 50px 0;
    }
    
    .grid-4 {
        grid-template-columns: 1fr;
    }
}


/* ====================== 新版业务布局（无图片） ====================== */
.business-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
  }
  
  .business-box {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    padding: 40px 32px;
    text-align: left;
    transition: all 0.3s ease;
  }
  
  .business-box:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-6px);
  }
  
  .business-icon {
    width: 60px;
    height: 60px;
    background: #d4af37;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #0a3d62;
    margin-bottom: 24px;
  }

  .business-icon img{
    width: 30px;
    height: 30px;
  }
  
  .business-box h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: #fff;
  }
  
  .business-box p {
    color: #e2e8f0;
    line-height: 1.8;
    margin-bottom: 20px;
  }
  
  .business-points {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0;
  }
  
  .business-points li {
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 14px;
    border-radius: 50px;
    
    color: #fff;
  }
  
  /* 战略板块 */
  .business-strategy {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
  }
  
  .business-strategy h3 {
    font-size: 1.2rem;
    color:#d4af37;
    margin-bottom: 20px;
  }
  
  .strategy-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }
  
  .strategy-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #e2e8f0;
    font-size: 1rem;
  }
  .strategy-item img{
    width: 14px;
    height: 16px;
  }
  
  
  /* 移动端适配 */
  @media (max-width: 920px) {
    .business-container {
      grid-template-columns: 1fr;
    }
  }



  /* ====================== 栏目内页专属样式 ====================== */
/* 内页顶部banner */
.inner-banner {
    background: #0a3d62;
    padding: 120px 0 40px;
    text-align: center;
    color: #fff;
  }
  .inner-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: bold;
    margin-bottom: 12px;
  }
  .inner-subtitle {
    color: #d4af37;
    font-size: 1rem;
  }
  


  /* ====================== 集团实力内页专属样式 ====================== */
/* 集团实力内页全新样式（无首页卡片/网格雷同） */


/* 内页主体布局：左右分栏（核心差异化） */
.strength-page {
    padding: 60px 0;
}
.strength-item {
    display: flex;
    gap: 50px;
    margin-bottom: 60px;
    align-items: flex-start;
}
.strength-left {
    min-width: 220px;
}
.strength-left h2 {
    font-size: 20px;
    color: #0a3d62;
    margin-bottom: 12px;
    font-weight: 600;
}
.strength-left .line {
    width: 40px;
    height: 3px;
    background: #d4af37;
}
.strength-right {
    flex: 1;
    line-height: 1.9;
    color: #444;
}

/* 核心数据行 */


/* 生态模块 */
.eco-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px dashed #eee;
}
.eco-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.eco-item h3 {
    font-size: 18px;
    color: #0a3d62;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.eco-item h3 img{
    width: 20px;
    height: 20px;
}

/* 优势列表 */
.advantage-list {
    list-style: none;
    padding: 0;
}
.advantage-list li {
    padding: 12px 0;
    border-bottom: 1px solid #f1f1f1;
    display: flex;
    align-items: center;
    gap: 12px;
    
}
.advantage-list li img{
    width: 20px;
    height: 20px;
}





/* 响应式 */
@media (max-width: 920px) {
    .strength-item {
        flex-direction: column;
        gap: 20px;
    }
    .data-line, .scale-box {
        flex-direction: column;
    }
}


/* ====================== 联系我们内页样式 ====================== */


/* 布局和集团实力页完全统一 */
/* .contact-page {
    padding: 60px 0;
}

.lxwm-title{
    text-align: center;
    padding: 20px 0;
}

.contact-item{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}
.info-item{
    padding: 30px;
}
.lxwm-img{
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: url(../UploadFiles/tb/电话.png) no-repeat center center, linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(249, 115, 22, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
} */

/* ====================== 优化版·商务风卡片式联系我们 ====================== */

/* 卡片容器（加高上下间距，解决底部空的问题） */
.contact-cards-page {
    padding: 80px 0 100px; /* 大幅加高上下内边距，填充底部空白 */
}
.contact-cards-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.contact-company-title {
    font-size: 30px;
    color: #333;
    font-weight: 600;
    text-align: center;
    margin-bottom: 50px; /* 和卡片保持合适间距 */
}


/* 单个卡片（优化内边距+商务鎏金风） */
.contact-card {
    background: #fff;
    border-radius: 10px;
    padding: 50px 25px; /* 加高卡片内边距，让卡片更饱满 */
    text-align: center;
    box-shadow: 0 3px 12px rgba(0,0,0,0.08);
    border-top: 3px solid var(--gold);
    transition: 0.3s;
}
.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 18px rgba(0,0,0,0.12);
}
.contact-icon-box {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(28, 60, 118, 0.1); /* 主色浅背景 */
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}
.contact-icon-box img {
    width: 30px;
    height: 30px;
}
.contact-label {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 500;
}
.contact-value {
    color: #555;
    line-height: 1.6;
}

/* 导航高亮 */
.nav-link.active {
    color: var(--gold) !important;
}

/* 响应式适配 */
@media (max-width: 920px) {
    .contact-cards-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .contact-card {
        padding: 40px 20px;
    }
    .contact-banner h1 {
        font-size: 26px;
    }
    .contact-banner {
        padding: 60px 0;
    }
    .contact-cards-page {
        padding: 60px 0 80px;
    }
    .contact-company-title {
        font-size: 18px;
    }
}


/* ====================== 关于我们内页专属样式 ====================== */
/* 内页Banner（与其他内页统一风格） */
.about-banner {
    margin-top: 70px;
    background: #f5f7fa;
    padding: 60px 0;
    text-align: center;
}
.about-banner h1 {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 600;
}
.about-banner p {
    color: #666;
    font-size: 16px;
}

/* 内页主体布局（与集团实力/联系我们完全统一的左右分栏） */
.about-page {
    padding: 80px 0 100px;
}
.about-item {
    display: flex;
    gap: 50px;
    margin-bottom: 60px;
    align-items: flex-start;
}
.about-left {
    min-width: 220px;
}
.about-left h2 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 600;
}
.about-left .line {
    width: 40px;
    height: 3px;
    background: var(--gold);
}
.about-right {
    flex: 1;
    line-height: 1.9;
    color: #444;
}

/* 发展历程时间轴 */
.timeline {
    position: relative;
    padding-left: 40px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #eee;
}
/* 企业文化网格 */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.culture-item {
    background: #f9fafb;
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid #eee;
}
.culture-item i {
    font-size: 30px;
    margin-bottom: 15px;
}
.culture-item h4 {
    font-size: 16px;
    color: var(--primary);
    margin-bottom: 8px;
}
.culture-item p {
    color: #666;
    
    line-height: 1.7;
}
.culture-item img{
    width: 40px;
    height: 40px;
}


/* 响应式适配（与其他内页统一） */
@media (max-width: 920px) {
    .about-item {
        flex-direction: column;
        gap: 20px;
    }
    .culture-grid {
        grid-template-columns: 1fr;
    }
    .timeline {
        padding-left: 35px;
    }
}




/* ====================== 业务布局内页·带图片样式 ====================== */
.business-banner {
    margin-top: 70px;
    background: #f5f7fa;
    padding: 60px 0;
    text-align: center;
}
.business-banner h1 {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 600;
}
.business-banner p {
    color: #666;
    font-size: 16px;
}

.business-page {
    padding: 60px 0;
}
.business-item {
    display: flex;
    gap: 50px;
    margin-bottom: 60px;
    align-items: flex-start;
}
.business-left {
    min-width: 220px;
}
.business-left h2 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 600;
}
.business-left .line {
    width: 40px;
    height: 3px;
    background: var(--gold);
}
.business-right {
    flex: 1;
    line-height: 1.9;
    color: #444;
}



/* 国内布局卡片 */
.domestic-card {
    background: #f9fafb;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #eee;
}
.domestic-text {
    padding: 20px;
}
.area-box {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}
.area-item {
    padding: 10px;
}
.area-item img {
    width: 20px;
    height: 20px;
}
.area-item h4 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 4px;
}
.area-item p {
    
    color: #666;
    margin: 0;
}

/* 海外布局卡片 */
.global-card {
    background: #f9fafb;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #eee;
}
.global-text {
    padding: 20px;
}
.global-item {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px dashed #eee;
}
.global-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}
.global-item h4 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.global-item h4 img{
    width: 20px;
    height: 20px;
}
.global-item p {
    
    color: #666;
    margin: 0;
}

/* 核心业务列表 */
.business-list {
    list-style: none;
    padding: 0;
}
.business-list li {
    padding: 12px 18px;
    background: #f5f7fa;
    border-radius: 6px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    
}
.business-list  li img {
    width: 20px;
    height: 20px;
}

/* 导航高亮 */
.nav-link.active {
    color: var(--gold) !important;
}

/* 响应式 */
@media (max-width: 920px) {
    .business-item {
        flex-direction: column;
        gap: 20px;
    }
    .area-box {
        grid-template-columns: 1fr;
    }
}


 /* ====================== 项目详情页样式 ====================== */
 .project-detail-banner {
    margin-top: 70px;
    background: #f5f7fa;
    padding: 60px 0;
    text-align: center;
}
.project-detail-banner h1 {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 600;
}
.project-detail-banner p {
    color: #666;
    font-size: 16px;
}

.project-detail-page {
    padding: 60px 0;
}
.detail-item {
    display: flex;
    gap: 50px;
    margin-bottom: 40px;
    align-items: flex-start;
}
.detail-left {
    min-width: 220px;
}
.detail-left h2 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 600;
}
.detail-left .line {
    width: 40px;
    height: 3px;
    background: var(--gold);
}
.detail-right {
    flex: 1;
    line-height: 1.9;
    color: #444;
    
}

/* 返回按钮 */
.back-btn {
    display: inline-block;
    padding: 10px 30px;
    background: var(--primary);
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
    transition: 0.3s;
}
.back-btn:hover {
    background: #1a3a6c;
}

/* 响应式 */
@media (max-width: 920px) {
    .detail-item {
        flex-direction: column;
        gap: 20px;
    }
}

/* 重点项目内容页 */
.nybj{
    width: 90%;
    margin: 0 auto;
    padding: 30px 0;
}

.nybj .nyr .name{
    font-size: 20px;
    text-align: center;
    font-weight: 600;
    padding: 30px 0;
    font-size: 24px;
}
.intro{
    line-height: 30px;
    text-indent: 1rem;
}
/* 响应式 */
@media (max-width: 920px) {
    .nybj {
        width: 96%;
    }
}


/* 文章内页 */
.control p a{
    color: #1e293b;
}
.control p a:hover{
    color: #0a3d62;
}


/* === 向下滚动提示容器 === */
.scroll-hint {
    position: absolute; /* 如果是放在 Banner 里，通常是 absolute */
    bottom: 30px;       /* 距离底部距离 */
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    cursor: pointer;
    animation: bounce 2s infinite; /* 整体上下浮动动画 */
    
    /* 如果不想显示浮动，可以注释掉上面 animation 这行 */
}

/* === 鼠标图标 === */
.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.8); /* 白色边框，半透明 */
    border-radius: 20px;
    position: relative;
    margin: 0 auto 10px; /* 居中并留出下方箭头的间距 */
}

/* 鼠标中间的滚轮 */
.wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite; /* 滚轮上下滚动动画 */
}

/* === 向下箭头 === */
.arrows {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.arrows span {
    display: block;
    width: 10px;
    height: 10px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.8);
    border-right: 2px solid rgba(255, 255, 255, 0.8);
    transform: rotate(45deg); /* 画出一个向下的箭头形状 */
    animation: arrow 2s infinite;
}

/* 箭头依次延迟出现，形成波浪效果 */
.arrows span:nth-child(2) {
    animation-delay: 0.2s;
}

.arrows span:nth-child(3) {
    animation-delay: 0.4s;
}

/* === 动画定义 === */

/* 鼠标滚轮滚动效果 */
@keyframes scroll {
    0% {
        opacity: 1;
        top: 8px;
    }
    100% {
        opacity: 0;
        top: 20px;
    }
}

/* 箭头闪烁效果 */
@keyframes arrow {
    0% {
        opacity: 0;
        transform: rotate(45deg) translate(-10px, -10px);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: rotate(45deg) translate(10px, 10px);
    }
}

/* 整体容器上下跳动效果 */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* 工程案例 */

.cases-grid-section {
    padding: 60px 0 80px;
}

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

/* 单个案例卡片（和参考图一致的圆角+图文结构） */
.case-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.06);
    transition: 0.3s;
}
.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.case-card-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
}
.case-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.3s;
}
.case-card:hover .case-card-img img {
    transform: scale(1.05);
}
.case-card-text {
    padding: 20px;
}
.case-card-text h3 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 8px;
    font-weight: 600;
}
.case-card-text p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}


@media (max-width: 1024px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .cases-grid {
        grid-template-columns: 1fr;
    }
    .case-card-img {
        height: 200px;
    }
}

.nynr{width: 100%;}
.nyxwbt{font-size: 26px;color: #424242;line-height: 50px;font-weight: 600; text-align: center;margin-bottom: 40px;}
.nyxwnr{width: 100%;margin: 0 auto;text-align: center;}
@media (max-width:800px) {
    .nyxwnr img{
        width: 80%;
    }
}


.nph_tj ul{width: 100%;overflow: hidden;padding: 0 20px;box-sizing: border-box;}
.nph_tj ul li{width: 50%;float: left;font-size: 16px;margin-top: 20px;}
.nph_tj ul li{overflow: hidden;text-overflow:ellipsis;white-space: nowrap;}
.nph_tj ul li:nth-child(2){text-align: right;}
.nph_tj ul li a{color: #0a3d62;}
.nph_tj ul li a:hover{color:#d4af37 ;}


/* 电脑端产品中心下拉菜单 */
.nav-desktop {
    display: flex;
    align-items: center;
}

.nav-item {
    position: relative;
}

.has-dropdown .nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-arrow {
    width: 7px;
    height: 7px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg);
    margin-top: -4px;
    transition: transform 0.25s ease;
}

.has-dropdown:hover .nav-arrow {
    transform: rotate(225deg);
    margin-top: 3px;
}

.product-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    width: 720px;
    transform: translateX(-50%) translateY(12px);
    background: #fff;
    border-radius: 0 0 16px 16px;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.25s ease;
    z-index: 999;
}

.has-dropdown:hover .product-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.product-dropdown-inner {
    padding: 24px;
}

.product-group-title {
    font-size: 16px;
    font-weight: 700;
    color: #222;
    margin-bottom: 16px;
    padding-left: 10px;
    border-left: 4px solid #0b63ce;
}

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

.product-link {
    display: block;
    padding: 12px 14px;
    border-radius: 8px;
    background: #f7f9fc;
    color: #333;
    font-size: 14px;
    line-height: 1.4;
    text-decoration: none;
    transition: all 0.2s ease;
}

.product-link:hover {
    background: #0b63ce;
    color: #fff;
    transform: translateY(-2px);
}


/* 手机端产品中心二级菜单 */
.mobile-product-item {
    width: 100%;
}

.mobile-product-toggle {
    width: 100%;
    border: none;
    background: none;
    cursor: pointer;
    font: inherit;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-arrow {
    width: 8px;
    height: 8px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.25s ease;
}

.mobile-product-item.active .mobile-arrow {
    transform: rotate(225deg);
}

.mobile-product-submenu {
    display: none;
    padding: 6px 0 10px 16px;
    background: #f7f9fc;
}

.mobile-product-item.active .mobile-product-submenu {
    display: block;
}

.mobile-product-link {
    display: block;
    padding: 11px 14px;
    color: #444;
    font-size: 14px;
    text-decoration: none;
    border-bottom: 1px solid #e9edf3;
}

.mobile-product-link:last-child {
    border-bottom: none;
}

.mobile-product-link:hover {
    color: #0b63ce;
}


/* 小屏适配 */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }

    .nav-mobile-btn {
        display: block;
    }
}

@media (min-width: 769px) {
    .nav-mobile {
        display: none !important;
    }

    .nav-mobile-btn {
        display: none;
    }
}

.product-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 36px;
    align-items: start;
  }
/* 左侧侧栏 */
.product-sidebar {
    position: sticky;
    top: 90px;
    overflow: hidden;
    border-radius: 22px;
    background: #fff;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  }
  
  .sidebar-title {
    padding: 30px 28px;
    background: linear-gradient(135deg, #0b63ce, #0f2f5f);
    color: #fff;
  }
  
  .sidebar-title span {
    display: block;
    margin-bottom: 10px;
    color: #bfdbfe;
    font-size: 12px;
    letter-spacing: 3px;
    font-weight: 700;
  }
  
  .sidebar-title h2 {
    margin: 0;
    font-size: 26px;
    font-weight: 700;
  }
  
  .sidebar-list {
    padding: 14px;
  }
  
  .sidebar-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 50px;
    padding: 13px 16px;
    border-radius: 12px;
    color: #374151;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.25s ease;
  }
  
  .sidebar-link span {
    color: #9ca3af;
    font-size: 13px;
    font-weight: 700;
    transition: color 0.25s ease;
  }
  
  .sidebar-link::after {
    content: "›";
    margin-left: auto;
    color: #cbd5e1;
    font-size: 20px;
    transition: all 0.25s ease;
  }
  
  .sidebar-link:hover,
  .sidebar-link.active {
    background: #eef5ff;
    color: #0b63ce;
  }
  
  .sidebar-link:hover span,
  .sidebar-link.active span {
    color: #0b63ce;
  }
  
  .sidebar-link:hover::after,
  .sidebar-link.active::after {
    color: #0b63ce;
    transform: translateX(4px);
  }
  /* 右侧卡片 */
  .product-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
  
  .product-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 210px;
    padding: 28px 26px 26px;
    border-radius: 20px;
    background: #fff;
    color: #1f2937;
    text-decoration: none;
    overflow: hidden;
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.06);
    transition: all 0.35s ease;
  }
  
  .product-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0b63ce, #0f2f5f);
    opacity: 0;
    transition: opacity 0.35s ease;
    z-index: 0;
  }
  
  .product-card::after {
    content: "";
    position: absolute;
    right: -44px;
    bottom: -44px;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: rgba(11, 99, 206, 0.08);
    transition: all 0.35s ease;
    z-index: 1;
  }
  
  .product-card > * {
    position: relative;
    z-index: 2;
  }
  
  .product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 55px rgba(11, 99, 206, 0.2);
  }
  
  .product-card:hover::before {
    opacity: 1;
  }
  
  .product-card:hover::after {
    background: rgba(255, 255, 255, 0.12);
    transform: scale(1.25);
  }
  
  .card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 34px;
  }
  
  .card-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    background: #eef5ff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    transition: all 0.35s ease;
  }
  
  .card-num {
    color: rgba(11, 99, 206, 0.11);
    font-size: 36px;
    line-height: 1;
    font-weight: 800;
    transition: color 0.35s ease;
  }
  
  .product-card h3 {
    min-height: 58px;
    margin: 0 0 24px;
    color: #111827;
    font-size: 21px;
    line-height: 1.35;
    font-weight: 700;
    transition: color 0.35s ease;
  }
  

  
  .product-card:hover span::after {
    transform: translateX(6px);
  }
  
  .product-card:hover .card-icon {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
  }
  
  .product-card:hover .card-num {
    color: rgba(255, 255, 255, 0.14);
  }
  
  .product-card:hover h3,
  .product-card:hover span {
    color: #fff;
  }
  

  @media (max-width: 1180px) {
    .product-layout {
        grid-template-columns: 270px 1fr;
        gap: 28px;
    }
  
    .product-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
  
    .content-head {
        grid-template-columns: 1fr;
        gap: 18px;
    }
  }
  
  @media (max-width: 900px) {
    .product-hero {
        min-height: 350px;
    }
  
    .product-hero h1 {
        font-size: 42px;
    }
  
    .product-layout {
        display: block;
    }
  
    .product-sidebar {
        position: static;
        margin-bottom: 28px;
    }
  
    .sidebar-title {
        padding: 24px;
    }
  
    .sidebar-title h2 {
        font-size: 24px;
    }
  
    .sidebar-list {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        padding: 16px;
    }
  
    .sidebar-link {
        min-height: auto;
        padding: 11px 14px;
        border-radius: 999px;
        background: #f3f6fb;
        font-size: 14px;
    }
  
    .sidebar-link::after {
        display: none;
    }
  
    .sidebar-link span {
        display: none;
    }
  
    .content-head {
        padding: 30px 28px;
    }
  
    .content-head h2 {
        font-size: 30px;
    }
  }
  
  @media (max-width: 640px) {
    .product-hero {
        min-height: 310px;
    }
  
    .product-hero h1 {
        font-size: 34px;
        letter-spacing: 2px;
    }
  
    .product-hero p {
        font-size: 15px;
        line-height: 1.8;
    }
  
    .product-main-section {
        padding: 55px 0 70px;
    }
  
    .sidebar-title {
        padding: 22px 20px;
    }
  
    .sidebar-list {
        gap: 8px;
        padding: 14px;
    }
  
    .sidebar-link {
        padding: 10px 13px;
        font-size: 13px;
    }
  
    .content-head {
        padding: 26px 22px;
        border-radius: 18px;
    }
  
    .content-head h2 {
        font-size: 26px;
    }
  
    .content-head p {
        font-size: 14px;
    }
  
    .product-card-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
  
    .product-card {
        min-height: 185px;
        padding: 26px 22px 24px;
        border-radius: 16px;
    }
  
    .card-top {
        margin-bottom: 26px;
    }
  
    .product-card h3 {
        min-height: auto;
        margin-bottom: 22px;
        font-size: 21px;
    }
  }
  /* 分页 */
.fenye{
    margin-top: 36px;
    display: flex;
    justify-content: flex-end;
  }
  
  .pagination{
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding: 16px 20px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    box-shadow: 0 10px 30px rgba(15,23,42,.06);
  }
  
  .pagination a,
  .pagination span,
  .pagination strong{
    box-sizing: border-box;
  }
  
  .pagination a{
    min-width: 42px;
    height: 42px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    background: #fff;
    color: #334155;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all .25s ease;
  }
  
  .pagination a:hover{
    color: #1f6feb;
    border-color: #1f6feb;
    background: #eef4ff;
    transform: translateY(-2px);
  }
  
  /* 当前页常见写法兼容 */
  .pagination .current,
  .pagination .on,
  .pagination strong,
  .pagination > span:not(.page-total){
    min-width: 42px;
    height: 42px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg,#1f6feb,#0ea5e9);
    color: #fff;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 700;
  }
  
  /* 总页数 */
  .pagination .page-total{
    margin-left: 6px;
    padding: 0 4px 0 10px;
    color: #64748b;
    font-size: 14px;
    line-height: 42px;
    white-space: nowrap;
  }
  
  .pagination .page-total strong{
    min-width: auto;
    height: auto;
    padding: 0;
    margin: 0 2px;
    background: none;
    border: none;
    color: #1f6feb;
    display: inline;
    font-size: 15px;
    font-weight: 700;
  }
  
  /* 首尾页按钮稍微宽一点 */
  .pagination .page-edge,
  .pagination .page-prev,
  .pagination .page-next{
    padding: 0 16px;
  }
  
  /* 移动端 */
  @media (max-width: 768px){
    .fenye{
      justify-content: center;
    }
  
    .pagination{
      justify-content: center;
      gap: 8px;
      padding: 14px;
      border-radius: 16px;
    }
  
    .pagination a,
    .pagination .current,
    .pagination .on,
    .pagination strong,
    .pagination > span:not(.page-total){
      min-width: 38px;
      height: 38px;
      padding: 0 12px;
      border-radius: 10px;
      font-size: 13px;
    }
  
    .pagination .page-total{
      width: 100%;
      text-align: center;
      margin-left: 0;
      padding: 4px 0 0;
      line-height: 1.8;
    }
  }

    /* 首页产品 */
    .product-center-layout {
        padding: 72px 0 78px;
        background: #f5f8fb;
      }
      
      .product-center-container {
        width: 88%;
        max-width: 1180px;
        margin: 0 auto;
      }
      
      .section-title {
        text-align: center;
        margin-bottom: 38px;
      }
    
      
      .product-center-content {
        display: grid;
        grid-template-columns: 360px 1fr;
        gap: 28px;
        align-items: stretch;
      }
      
      .product-left-list {
        background: #ffffff;
        border-radius: 10px;
        padding: 12px 0;
        box-shadow: 0 8px 24px rgba(7, 63, 99, 0.08);
      }
      
      .product-left-list a {
        position: relative;
        display: flex;
        align-items: center;
        height: 48px;
        padding: 0 46px 0 28px;
        color: #2f3a45;
        font-size: 15px;
        text-decoration: none;
        transition: all 0.3s ease;
      }
      
      .product-left-list a span {
        margin-right: 16px;
        color: #9aa6b2;
        font-size: 14px;
        font-weight: 700;
      }
      
      .product-left-list a em {
        position: absolute;
        right: 24px;
        font-style: normal;
        font-size: 22px;
        color: #c2cad2;
      }
      
      .product-left-list a:hover,
      .product-left-list a.active {
        background: #073f63;
        color: #ffffff;
      }
      
      .product-left-list a:hover span,
      .product-left-list a.active span {
        color: #f4c542;
      }
      
      .product-left-list a:hover em,
      .product-left-list a.active em {
        color: #f4c542;
      }
      
      .product-right-info {
        position: relative;
        min-height: 420px;
        border-radius: 10px;
        overflow: hidden;
        background:
          linear-gradient(
            90deg,
            rgba(7, 63, 99, 0.94),
            rgba(7, 63, 99, 0.72)
          ),
          url("images/product-bg.jpg") center/cover no-repeat;
      }
      
      .product-info-inner {
        max-width: 620px;
        padding: 58px 54px;
        color: #ffffff;
      }
      
      .product-info-inner .small-title {
        display: inline-block;
        margin-bottom: 16px;
        color: #f4c542;
        font-size: 13px;
        letter-spacing: 2px;
      }
      
      .product-info-inner h3 {
        margin: 0 0 22px;
        font-size: 30px;
        line-height: 1.4;
      }
      
      .product-info-inner p {
        margin: 0 0 24px;
        color: rgba(255, 255, 255, 0.86);
        font-size: 15px;
        line-height: 1.9;
      }
      
      .product-info-inner ul {
        margin: 0 0 34px;
        padding: 0;
        list-style: none;
      }
      
      .product-info-inner li {
        position: relative;
        margin-bottom: 10px;
        padding-left: 20px;
        color: rgba(255, 255, 255, 0.9);
        font-size: 14px;
      }
      
      .product-info-inner li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 9px;
        width: 7px;
        height: 7px;
        background: #f4c542;
        border-radius: 50%;
      }
      
      .product-detail-btn {
        display: inline-block;
        padding: 12px 34px;
        background: #f4c542;
        color: #073f63;
        border-radius: 24px;
        font-size: 14px;
        text-decoration: none;
        font-weight: 600;
      }
      
      .product-detail-btn:hover {
        background: #ffffff;
      }
      
      /* 响应式 */
      @media screen and (max-width: 992px) {
        .product-center-content {
          grid-template-columns: 1fr;
        }
      
        .product-left-list {
          display: grid;
          grid-template-columns: repeat(2, 1fr);
          padding: 8px;
          gap: 8px;
        }
      
        .product-left-list a {
          background: #f5f8fb;
          border-radius: 6px;
        }
      }
      
      @media screen and (max-width: 576px) {
        .product-center-layout {
          padding: 52px 0 58px;
        }
      
        .product-center-container {
          width: 90%;
        }
      
        .section-title h2 {
          font-size: 24px;
        }
      
        .section-title p {
          font-size: 13px;
          line-height: 1.7;
        }
      
        .product-left-list {
          grid-template-columns: 1fr;
        }
      
        .product-right-info {
          min-height: auto;
        }
      
        .product-info-inner {
          padding: 36px 24px;
        }
      
        .product-info-inner h3 {
          font-size: 24px;
        }
      }
      /* 右侧切换面板 */
    .product-panel {
        display: none;
        width: 100%;
        height: 100%;
        min-height: 420px;
        animation: productFade 0.35s ease;
      }
      
      .product-panel.active {
        display: block;
      }
      
      @keyframes productFade {
        from {
          opacity: 0;
          transform: translateY(12px);
        }
      
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }
      .product-right-info {
        position: relative;
        min-height: 420px;
        padding: 28px;
        background: #ffffff;
        border-radius: 10px;
        box-shadow: 0 8px 24px rgba(7, 63, 99, 0.08);
        overflow: hidden;
      }
      
      .product-panel {
        display: none;
        animation: productFade 0.35s ease;
      }
      
      .product-panel.active {
        display: block;
      }
      
      @keyframes productFade {
        from {
          opacity: 0;
          transform: translateY(12px);
        }
      
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }
      
      .product-image-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        margin-bottom: 24px;
      }
      
      .product-image-head span {
        display: block;
        margin-bottom: 8px;
        color: #d8a620;
        font-size: 13px;
        letter-spacing: 1.5px;
        text-transform: uppercase;
      }
      
      .product-image-head h3 {
        margin: 0;
        color: #073f63;
        font-size: 26px;
        line-height: 1.3;
        font-weight: 700;
      }
      
      .product-more-btn {
        flex: 0 0 auto;
        display: inline-block;
        padding: 10px 26px;
        background: #0b4c73;
        color: #ffffff;
        border-radius: 24px;
        font-size: 14px;
        text-decoration: none;
        transition: all 0.3s ease;
      }
      
      .product-more-btn:hover {
        background: #d8a620;
        color: #ffffff;
        transform: translateY(-2px);
      }
      
      .product-image-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
      }
      
      .product-image-grid a {
        display: block;
        position: relative;
        height: 200px;
        padding: 12px;
        background: #f5f8fb;
        border-radius: 8px;
        overflow: hidden;
        text-decoration: none;
        transition: all 0.3s ease;
      }
      
      .product-image-grid a::after {
        content: "查看详情";
        position: absolute;
        left: 0;
        right: 0;
        bottom: -38px;
        height: 38px;
        background: rgba(7, 63, 99, 0.9);
        color: #ffffff;
        font-size: 13px;
        line-height: 38px;
        text-align: center;
        transition: all 0.3s ease;
      }
      
      .product-image-grid a:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 26px rgba(7, 63, 99, 0.14);
      }
      
      .product-image-grid a:hover::after {
        bottom: 0;
      }
      
      .product-image-grid img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        transition: transform 0.35s ease;
      }
      
      .product-image-grid a:hover img {
        transform: scale(1.08);
      }
      
      /* 平板端 */
      @media screen and (max-width: 992px) {
        .product-right-info {
          padding: 24px;
        }
      
        .product-image-grid {
          grid-template-columns: repeat(3, 1fr);
        }
      
        .product-image-grid a {
          height: 130px;
        }
      }
      
      /* 手机端 */
      @media screen and (max-width: 576px) {
        .product-right-info {
          padding: 20px;
          min-height: auto;
        }
      
        .product-image-head {
          display: block;
          margin-bottom: 20px;
        }
      
        .product-image-head h3 {
          font-size: 22px;
          margin-bottom: 16px;
        }
      
        .product-more-btn {
          padding: 9px 22px;
          font-size: 13px;
        }
      
        .product-image-grid {
          grid-template-columns: repeat(2, 1fr);
          gap: 12px;
        }
      
        .product-image-grid a {
          height: 116px;
          padding: 10px;
        }
      }