--primary: #104042;
            --primary-light: #1a6669;
            --text-main: #333;
            --text-secondary: #666;
            --text-light: #999;
            --bg-main: #f9fbfb;
            --bg-white: #fff;
            --shadow-sm: 0 2px 8px rgba(16,64,66,0.05);
            --shadow-lg: 0 5px 15px rgba(0,0,0,0.1);
            --radius-sm: 8px;
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", "PingFang SC", sans-serif;
        }

        body {
            color: var(--text-main);
            background: var(--bg-main);
            line-height: 1.8; /* 优化阅读体验的行高 */
            font-size: 16px;
        }

        .container {
            max-width: 1280px;
            width: 95%;
            margin: 0 auto;
            padding: 0 15px;
        }

        img {
            max-width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        ul {
            list-style: none;
        }

        /* ====================== 通用头部/底部（复用品牌样式） ====================== */
        .site-header {
            background-color: var(--primary);
            color: #fff;
            padding: 15px 0;
        }

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

        .logo img {
            height: 60px;
            border-radius: 0;
        }

        .main-nav ul {
            display: flex;
            gap: 30px;
        }

        .main-nav a {
            color: #fff;
            font-weight: 500;
        }

        .main-nav a:hover, .main-nav .active a {
            color: #a8d8da;
        }

        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid #fff;
            color: #fff;
            font-size: 14px;
            padding: 5px 10px;
            border-radius: 4px;
            cursor: pointer;
        }

        .site-footer {
            background-color: var(--primary);
            color: #fff;
            padding: 30px 0;
            margin-top: 80px;
        }

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

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin-bottom: 15px;
        }

        .footer-links a {
            color: #fff;
            font-size: 14px;
        }

        .footer-links a:hover {
            color: #a8d8da;
        }

        .copyright {
            font-size: 13px;
            color: #ccc;
        }

        /* ====================== 关于我们页面核心样式 ====================== */
        .about-page {
            padding: 40px 0;
            scroll-padding-top: 80px;
        }

        /* 面包屑导航（SEO友好） */
        .about-breadcrumb {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .about-breadcrumb a {
            color: var(--primary);
        }

        .about-breadcrumb a:hover {
            text-decoration: underline;
        }

        /* 页面主标题 */
        .about-main-title {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 40px;
            font-weight: 700;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 12px;
            text-align: center; /* 主标题居中，提升视觉层级 */
        }

        /* 通用板块样式（统一间距和背景） */
        .about-section {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            padding: 40px 30px;
            margin-bottom: 30px;
            transition: var(--transition);
        }

        .about-section:hover {
            box-shadow: var(--shadow-lg);
        }

        /* 板块子标题 */
        .section-subtitle {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 25px;
            position: relative;
            padding-left: 15px;
        }

        .section-subtitle::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        /* 公司简介样式（优化阅读体验） */
        .company-intro p {
            font-size: 16px;
            color: var(--text-main);
            line-height: 1.9;
            margin-bottom: 20px;
            text-align: justify; /* 两端对齐，提升阅读体验 */
        }

        .company-intro strong {
            color: var(--primary);
            font-weight: 600;
        }

        /* 核心业务样式 */
        .business-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 10px;
        }

        .business-item {
            padding: 20px;
            background: #f5f9f9;
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--primary);
        }

        .business-item h4 {
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 12px;
            font-weight: 600;
        }

        .business-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* 仓库展示样式 */
        .warehouse-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .warehouse-item {
            overflow: hidden;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .warehouse-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .warehouse-item img {
            height: 200px;
            width: 100%;
            transition: var(--transition);
        }

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

        .warehouse-desc {
            padding: 15px;
            background: var(--bg-white);
            font-size: 14px;
            color: var(--text-secondary);
            text-align: center;
        }

        /* 资质证件样式（信任闭环核心） */
        .certificate-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 25px;
            margin-top: 20px;
        }

        .certificate-item {
            text-align: center;
        }

        .certificate-img {
            height: 220px;
            width: 100%;
            border: 1px solid #eee;
            padding: 10px;
            background: var(--bg-white);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .certificate-img img {
            max-height: 100%;
            border-radius: 4px;
        }

        .certificate-name {
            font-size: 16px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .certificate-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ====================== 响应式适配 ====================== */
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            .about-main-title {
                font-size: 26px;
            }

            .section-subtitle {
                font-size: 20px;
            }

            .about-section {
                padding: 30px 20px;
            }

            .business-list, .warehouse-gallery, .certificate-list {
                grid-template-columns: 1fr;
            }

            .warehouse-item img {
                height: 180px;
            }

            .certificate-img {
                height: 200px;
            }
        }

        @media (max-width: 480px) {
            .about-main-title {
                font-size: 22px;
            }

            .section-subtitle {
                font-size: 18px;
            }

            .about-section {
                padding: 20px 15px;
            }

            .warehouse-item img {
                height: 160px;
            }
        }
        


.container1 {
  max-width: 1200px; 
  margin: 0 auto;
  min-height: 100vh;
}
.contact-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  color: #2d3748;
  font-size: 16px;
}

.contact-page h1 {
  font-size: 28px;
  font-weight: 700;
  margin: 40px 0 32px;
  color: #0f3d3e;
  text-align: center;
}

/* 公司简介 */
.contact-intro {
  background: #f8fdfd;
  padding: 24px;
  border-radius: 12px;
  margin: 32px 0;
  border-left: 4px solid #0f3d3e;
}
.contact-intro p {
  margin: 0 0 16px;
  color: #4a5568;
}
.contact-intro strong {
  color: #0f3d3e;
}

/* 联系方式卡片 */
.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.method-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 28px 24px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.method-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}

.method-card h2 {
  margin: 0 0 16px;
  font-size: 20px;
  color: #0f3d3e;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.contact-value {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: #0f3d3e;
  margin: 0 0 12px;
  word-break: break-word;
}
.contact-desc {
  margin: 0;
  font-size: 14px;
  color: #718096;
  line-height: 1.5;
}

/* 微信卡片特殊样式（可选） */
.method-wechat .contact-value {
  font-family: monospace;
  background: #f0f9ff;
  padding: 6px 12px;
  border-radius: 6px;
  display: inline-block;
}

/* 行动号召 */
.contact-cta {
  text-align: center;
  padding: 32px;
  background: #fff;
  border: 1px dashed #cbd5e0;
  border-radius: 12px;
  margin: 48px 0;
}
.contact-cta h2 {
  font-size: 24px;
  color: #0f3d3e;
  margin: 0 0 16px;
}
.contact-cta p {
  max-width: 600px;
  margin: 0 auto 12px;
  color: #555;
}
.contact-cta a {
  color: #0f3d3e;
  font-weight: 600;
  text-decoration: underline;
}

/* 移动端优化 */
@media (max-width: 768px) {
  .contact-page h1 {
    font-size: 24px;
  }
  .method-card {
    padding: 24px 20px;
  }
  .contact-value {
    font-size: 17px;
  }
}



/* 全局重置 + 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft Yahei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 容器（精准控制宽度，避免三列溢出） */
.hp-container {
    width: 95%;
    max-width: 1280px; /* 适配三列布局的最优宽度 */
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
.hp-site-header {
    background-color: #104042;
    color: #fff;
    padding: 15px 0;
}

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

.hp-logo img {
    height: 60px;
}

.hp-main-nav ul {
    display: flex;
    gap: 30px;
}

.hp-main-nav a {
    color: #fff;
    font-weight: 500;
}

.hp-main-nav a:hover, .hp-main-nav .hp-active a {
    color: #a8d8da;
}

.hp-menu-toggle {
    display: none;
    background: transparent;
    border: 1px solid #fff;
    color: #fff;
    font-size: 14px;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
}

/* 文章列表页主内容区 */
.hp-article-main {
    padding: 30px 0;
}

/* 面包屑导航 */
.hp-breadcrumb {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
}

.hp-breadcrumb a {
    color: #104042;
}

.hp-breadcrumb a:hover {
    text-decoration: underline;
}

.hp-breadcrumb span {
    color: #999;
}

/* 文章分类筛选栏 */
.hp-article-filter {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.hp-filter-item h4 {
    font-size: 16px;
    color: #104042;
    margin-bottom: 10px;
    font-weight: 600;
}

.hp-filter-item ul {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.hp-filter-item a {
    font-size: 14px;
    color: #666;
    padding: 5px 12px;
    border-radius: 20px;
}

.hp-filter-item a:hover {
    background-color: #104042;
    color: #fff;
}

/* 文章列表标题 */
.hp-article-list .hp-list-title {
    font-size: 24px;
    color: #104042;
    margin-bottom: 30px;
    font-weight: 600;
    border-bottom: 2px solid #104042;
    padding-bottom: 10px;
}

/* 文章分类组标题 */
.hp-group-title {
    font-size: 20px;
    color: #104042;
    margin: 40px 0 20px;
    font-weight: 600;
    padding-left: 10px;
    border-left: 4px solid #104042;
}

/* 核心优化：固定一行三列的Grid布局（更优写法） */
.hp-article-grid {
    display: grid;
    /* 1. PC端强制三列，列宽均匀分布，间隙30px */
    grid-template-columns: repeat(3, 1fr);
    /* 2. 间隙分开设置（行/列），更精准 */
    gap: 30px 20px; 
    /* 3. 防止卡片内容撑大容器 */
    align-items: start;
    /* 4. 兼容旧浏览器 */
    grid-auto-rows: minmax(1px, auto);
}

/* 文章卡片样式 */
.hp-article-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    /* 卡片最小宽度，防止压缩变形 */
    min-width: 0;
}

.hp-article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* 文章封面图（固定比例，避免图片变形） */
.hp-article-img {
    height: 180px;
    overflow: hidden;
    /* 图片容器比例固定 */
    aspect-ratio: 16/9;
}

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

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

/* 文章内容区 */
.hp-article-content {
    padding: 20px;
}

/* 文章标题 */
.hp-article-title {
    font-size: 18px;
    line-height: 1.4;
    margin-bottom: 12px;
    /* 标题换行，防止溢出 */
    word-break: break-word;
}

.hp-article-title a {
    color: #104042;
    font-weight: 600;
}

.hp-article-title a:hover {
    color: #1a6669;
}

/* 文章元信息（文字图标版） */
.hp-article-meta {
    font-size: 12px;
    color: #999;
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
    /* 移动端换行 */
    flex-wrap: wrap;
}

/* 文章摘要 */
.hp-article-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 阅读全文按钮 */
.hp-article-btn {
    display: inline-block;
    padding: 8px 18px;
    background-color: #104042;
    color: #fff;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease;
    /* 按钮宽度自适应，防止溢出 */
    width: fit-content;
}

.hp-article-btn:hover {
    background-color: #1a6669;
}

/* 分页样式 */
.hp-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 50px;
}

.hp-pagination a {
    display: inline-block;
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.hp-pagination a.hp-active {
    background-color: #104042;
    color: #fff;
    border-color: #104042;
}

.hp-pagination a:hover:not(.hp-disabled) {
    background-color: #f0f0f0;
}

.hp-pagination a.hp-disabled {
    color: #999;
    cursor: not-allowed;
    background-color: #f9f9f9;
}

/* 底部样式 */
.hp-site-footer {
    background-color: #104042;
    color: #fff;
    padding: 30px 0;
    margin-top: 50px;
}

.hp-footer-inner {
    text-align: center;
}

.hp-footer-links {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 15px;
}

.hp-footer-links a {
    color: #fff;
    font-size: 14px;
}

.hp-footer-links a:hover {
    color: #a8d8da;
}

.hp-copyright {
    font-size: 13px;
    color: #ccc;
}


/* 核心：PC端强制三列，优先级拉满 */
.article-grid {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important; /* 固定三列 */
  gap: 24px !important;
  align-items: start !important;
  margin: 0 auto !important;
  width: 100% !important;
}

/* 筛选按钮激活态 */
.filter-btn.active {
  background: #104042;
  color: #fff !important;
}

/* 响应式：只有移动端才改列数 */
@media (max-width: 768px) {
  .article-grid {
    grid-template-columns: 1fr !important;
  }
}

/* 其他基础样式（保留你之前的） */
.article-main {
  padding: 40px 0;
}
.article-breadcrumb {
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
}
.article-breadcrumb a {
  color: #104042;
}
.article-filter {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.article-filter-item h4 {
  font-size: 16px;
  color: #104042;
  margin-bottom: 10px;
}
.article-filter-item ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  list-style: none;
}
.article-filter-item a {
  font-size: 14px;
  padding: 4px 10px;
  border-radius: 20px;
  color: #666;
  cursor: pointer;
}
.article-filter-item a:hover {
  background: #104042;
  color: #fff;
}
.article-list-title {
  font-size: 24px;
  color: #104042;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #104042;
}
.article-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: transform 0.3s;
}
.article-card:hover {
  transform: translateY(-4px);
}
.article-img {
  height: 180px;
  overflow: hidden;
  display: block;
}
.article-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-content {
  padding: 20px;
}
.article-title {
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 10px;
}
.article-title a {
  color: #104042;
  font-weight: 600;
}
.article-meta {
  font-size: 12px;
  color: #999;
  display: flex;
  gap: 14px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.article-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-btn {
  display: inline-block;
  padding: 7px 16px;
  background: #104042;
  color: #fff;
  border-radius: 4px;
  font-size: 14px;
}
.article-btn:hover {
  background: #1a6669;
}
.article-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 50px;
}
.article-pagination a {
  padding: 6px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
}
.article-pagination a.active {
  background: #104042;
  color: #fff;
  border-color: #104042;
}
.article-pagination a.disabled {
  color: #999;
  cursor: not-allowed;
}

/* -------------------------- 案例页全局基础（贴合案例特性） -------------------------- */
:root {
    /* 案例页专属配色：偏稳重的工程绿，贴合生态修复场景 */
    --case-primary: #0F686B;
    --case-primary-light: #14888C;
    --case-secondary: #2A9D9F;
    --case-text-main: #333;
    --case-text-secondary: #666;
    --case-text-light: #999;
    --case-bg-card: #FFFFFF;
    --case-bg-page: #F5F8F8;
    --case-shadow-sm: 0 3px 8px rgba(15, 104, 107, 0.08);
    --case-shadow-lg: 0 8px 20px rgba(15, 104, 107, 0.12);
    --case-radius: 10px;
    --case-transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft Yahei", "PingFang SC", sans-serif;
}

body {
    background-color: var(--case-bg-page);
    color: var(--case-text-main);
}

/* -------------------------- 案例页核心容器（适配案例展示） -------------------------- */
.case-main {
    padding: 50px 0;
    min-height: 80vh;
}

.case-container {
    max-width: 1320px; /* 更宽的容器，适配案例图片展示 */
    width: 92%;
    margin: 0 auto;
}

/* -------------------------- 面包屑（案例页专属样式） -------------------------- */
.case-breadcrumb {
    font-size: 14px;
    color: var(--case-text-secondary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-breadcrumb a {
    color: var(--case-primary);
    text-decoration: none;
}

.case-breadcrumb a:hover {
    color: var(--case-primary-light);
    text-decoration: underline;
}

.breadcrumb-sep {
    color: var(--case-text-light);
}

.breadcrumb-current {
    color: var(--case-text-main);
    font-weight: 500;
}

/* -------------------------- 案例页主标题（强化品牌感） -------------------------- */
.case-page-title {
    font-size: 32px;
    color: var(--case-primary);
    margin-bottom: 25px;
    font-weight: 700;
    position: relative;
    padding-bottom: 12px;
}

.case-page-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 80px;
    height: 4px;
    background-color: var(--case-primary);
    border-radius: 2px;
}

/* -------------------------- 案例类型标签（非筛选，仅展示） -------------------------- */
.case-type-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

.tag {
    padding: 6px 18px;
    background-color: var(--case-bg-card);
    border-radius: 20px;
    font-size: 14px;
    color: var(--case-text-secondary);
    cursor: pointer;
    transition: var(--case-transition);
    box-shadow: var(--case-shadow-sm);
}

.tag.active {
    background-color: var(--case-primary);
    color: #FFFFFF;
    box-shadow: var(--case-shadow-lg);
}

.tag:hover:not(.active) {
    color: var(--case-primary);
    box-shadow: var(--case-shadow-lg);
}

/* -------------------------- 案例网格布局（适配案例卡片特性） -------------------------- */
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); /* 自适应列数，保证卡片最小宽度 */
    gap: 30px; /* 更大的间隙，突出案例独立性 */
    margin-bottom: 40px;
}

/* -------------------------- 案例卡片（核心模块，贴合案例展示） -------------------------- */
.case-card {
    background-color: var(--case-bg-card);
    border-radius: var(--case-radius);
    overflow: hidden;
    box-shadow: var(--case-shadow-sm);
    transition: var(--case-transition);
    position: relative;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--case-shadow-lg);
}

/* 案例图片（占比更高，适配实景图） */
.case-card-img {
    height: 220px; /* 比文章页图片更高，突出实景 */
    overflow: hidden;
    position: relative;
}

.case-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 适配实景图，避免拉伸 */
    transition: var(--case-transition);
}

.case-card:hover .case-card-img img {
    transform: scale(1.08); /* 轻微放大，增强视觉冲击 */
}

/* 案例类型角标（专属，快速识别） */
.case-type-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    padding: 4px 12px;
    background-color: rgba(15, 104, 107, 0.9);
    color: #FFFFFF;
    font-size: 12px;
    border-radius: 4px;
    font-weight: 500;
}

/* 案例卡片内容区（轻量化，突出核心数据） */
.case-card-content {
    padding: 22px;
}

.case-card-title {
    font-size: 18px;
    color: var(--case-primary);
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.4;
}

/* 案例核心参数（专属模块，区别于文章页） */
.case-card-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 15px;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #F0F4F4;
}

.metric-item {
    display: flex;
    flex-direction: column;
    font-size: 13px;
}

.metric-label {
    color: var(--case-text-light);
    margin-bottom: 2px;
}

.metric-value {
    color: var(--case-text-main);
    font-weight: 500;
}

.metric-value.highlight {
    color: var(--case-primary);
    font-weight: 600;
}

/* 案例简述（轻量化，避免冗余） */
.case-card-desc {
    font-size: 14px;
    color: var(--case-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2; /* 仅展示2行，避免文字冗余 */
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 案例按钮（贴合案例转化需求） */
.case-card-btn {
    display: inline-block;
    padding: 9px 22px;
    background-color: var(--case-primary);
    color: #FFFFFF;
    border-radius: 6px;
    font-size: 14px;
    text-decoration: none;
    transition: var(--case-transition);
    font-weight: 500;
}

.case-card-btn:hover {
    background-color: var(--case-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(15, 104, 107, 0.15);
}

/* -------------------------- 案例分页（简洁化，贴合案例列表） -------------------------- */
.case-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.page-btn {
    padding: 8px 16px;
    border: 1px solid #E0E8E8;
    border-radius: 6px;
    font-size: 14px;
    color: var(--case-text-secondary);
    text-decoration: none;
    transition: var(--case-transition);
}

.page-btn.active {
    background-color: var(--case-primary);
    color: #FFFFFF;
    border-color: var(--case-primary);
}

.page-btn:hover:not(.disabled) {
    border-color: var(--case-primary);
    color: var(--case-primary);
}

.page-btn.disabled {
    color: var(--case-text-light);
    cursor: not-allowed;
    background-color: #F8FAFA;
}

/* -------------------------- 响应式适配（贴合案例图片展示） -------------------------- */
/* 平板端（992px以下） */
@media (max-width: 992px) {
    .case-grid {
        gap: 24px;
    }
    .case-page-title {
        font-size: 28px;
    }
    .case-card-img {
        height: 200px;
    }
}

/* 手机端（768px以下） */
@media (max-width: 768px) {
    .case-main {
        padding: 30px 0;
    }
    .case-page-title {
        font-size: 24px;
    }
    .case-card-img {
        height: 180px;
    }
    .case-card-btn {
        width: 100%;
        text-align: center;
    }
    .case-type-tags {
        gap: 8px;
    }
    .tag {
        padding: 5px 14px;
        font-size: 13px;
    }
}

/* 小屏手机（480px以下） */
@media (max-width: 480px) {
    .case-card-content {
        padding: 18px;
    }
    .case-card-img {
        height: 160px;
    }
    .case-card-metrics {
        gap: 8px 10px;
    }
    .page-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
}