:root { --primary-color: #000000; --accent-color: #C4181F; --text-gray: #86868b; --nav-bg: rgba(255, 255, 255, 0.8); }
        body { font-family: "SF Pro Text", Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; margin: 0; padding: 0; color: #1d1d1f; }
        /* ================= 网页底板：浅灰色工程网格 ================= */
        body {
            background-color: #f6f6f7 !important; /* 基础底色：略深的浅灰 */
            
            /* 使用双层线性渐变构建网格 */
            background-image: 
                linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px), /* 水平线 */
                linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px)!important; /* 垂直线 */
            
            /* 设定网格的大小：30px * 30px 是比较舒适的间距 */
            background-size: 30px 30px !important;
            
            background-attachment: fixed !important; /* 背景固定，不随滚动条晃动，更有质感 */
        }

        /* 配合网格底板，建议让原本的 container 容器保持白色并带有微弱投影 */
        /* 让大底板透明，去掉外框和阴影 */
        .container.pages {
            background-color: transparent !important; 
            box-shadow: none !important;
            border: none !important;
        }

        /* 保持其他单页（如关于我们、新闻正文）依然是白底卡片 */
        .about-wrapper, .news-rich-item, .news-main-body {
            background-color: #ffffff !important; 
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05); 
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        ul { list-style: none; padding: 0; margin: 0; }

        /* 导航栏 */
        /* ================= 导航与全局下划线处理 ================= */

        /* 1. 全局取消所有链接下划线 */
        a, a:hover, a:focus {
            text-decoration: none !important;
            outline: none;
        }

        /* 2. 导航栏外层容器 (苹果风固定头部) */
        .apple-header {
            position: fixed;
            top: 0;
            width: 100%;
            height: 60px;
            background: rgba(255, 255, 255, 0.8); /* 半透明背景 */
            backdrop-filter: blur(20px);          /* 毛玻璃滤镜 */
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            display: flex;
            justify-content: center;
        }

        /* 3. 导航内部限宽容器 */
        .nav-container {
            width: 92%;
            max-width: 1200px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* 4. Logo 限制大小 */
        .logo img {
            height: 30px;
            width: auto;
        }

        /* 5. 一级导航主菜单 */
        .nav-menu {
            display: flex;
            gap: 30px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu > li {
            position: relative; /* 为子菜单定位提供参考 */
        }

        .nav-menu > li > a {
            font-size: 14px;
            color: #1d1d1f;
            line-height: 60px; /* 和 header 高度一致，垂直居中 */
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-menu > li > a:hover {
            color: #C4181F; /* 悬停变红 */
        }

        /* 6. 子菜单基础样式 (毛玻璃悬浮特效) */
        .sub-menu {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(15px);
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            min-width: 160px;
            padding: 12px 8px;
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border: 1px solid rgba(255, 255, 255, 0.6);
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            z-index: 999;
        }

        /* 7. 鼠标悬浮显示子菜单 */
        .nav-menu > li:hover .sub-menu {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        /* 8. 子菜单内部列表样式 */
        .sub-menu li {
            list-style: none;
            padding: 0;
        }

        /* 子菜单的文字和外层标题区分开，覆盖行高 */
        .sub-menu li a {
            display: block;
            padding: 10px 16px;
            color: #1d1d1f;
            font-size: 14px;
            font-weight: 500;
            border-radius: 8px;
            transition: all 0.3s ease;
            line-height: 1.5; 
        }

        .sub-menu li a:hover {
            background: rgba(196, 24, 31, 0.08);
            color: #C4181F;
        }

        /* 9. 导航栏 Spacer 修正 (防止内容被固定头部遮挡) */
        .header-spacer {
            height: 60px;
        }

        /* 首屏大图 (Hero) */
        .hero { height: 90vh; min-height: 600px; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; color: white; position: relative; }
        .hero::before { content: ""; position: absolute; top:0; left:0; width:100%; height:100%; background: rgba(0,0,0,0.3); }
        .hero-content { position: relative; z-index: 1; max-width: 800px; }
        .hero h1 { font-size: 56px; font-weight: 700; margin-bottom: 20px; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
        .hero p { font-size: 24px; margin-bottom: 40px; text-shadow: 0 2px 10px rgba(0,0,0,0.3); }
        .btn { padding: 12px 30px; border-radius: 980px; background: #383A3B; color: rgb(255, 255, 255) !important; }

        .liquid-btn {
            padding: 12px 30px;
            border-radius: 980px;
            
            /* 核心：液态玻璃效果 */
            background: rgba(255, 255, 255, 0.15); /* 半透明背景 */
            backdrop-filter: blur(15px);          /* 背后内容模糊，玻璃感关键 */
            -webkit-backdrop-filter: blur(15px);   /* 兼容性 */
            
            /* 边框高光：模拟玻璃边缘折射 */
            border: 1px solid rgba(255, 255, 255, 0.3);
            
            /* 阴影：增加悬浮深度感 */
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
            
            color: white !important;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* 提升文字清晰度 */
            transition: all 0.3s ease;            /* 丝滑过渡 */
            cursor: pointer;
            text-decoration: none !important; /* 强制去掉下划线 */
        }

        /* 悬停时的“流动液态”感 */
        .liquid-btn:hover {
            background: rgba(255, 255, 255, 0.25);
            border: 1px solid rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);           /* 轻微上浮 */
            box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.15);
        }

        .liquid-glass-btn:active {
            transform: translateY(-1px);          /* 点击反馈 */
        }




        /* 产品列表 (Grid) */
        .section { padding: 80px 20px; text-align: center; max-width: 1200px; margin: 0 auto; }
        .section-title { font-size: 40px; margin-bottom: 10px; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; margin-top: 40px; }
        .card { background: #fff; border-radius: 20px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,0.05); text-align: left; transition: 0.3s; }
        .card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,0,0,0.15); }
        .card img { width: 100%; height: 250px; object-fit: cover; }
        .card-body { padding: 30px; }
        .card h3 { font-size: 20px; margin-bottom: 10px; }
        .card p { font-size: 14px; color: #666; line-height: 1.6; }
        .learn-more { 
            color: #383A3B; 
            font-size: 14px; 
            margin-top: 15px; 
            display: inline-block; 
            transition: color 0.3s ease; /* 关键：加上这行会有变色动画，不会显得生硬 */
        }

        /* 鼠标悬停状态 */
        .learn-more:hover { 
            color: #C4181F; /* 鼠标放上去变成科技蓝 */
        }

        @media (max-width: 768px) { .nav-menu { display: none; } .hero h1 { font-size: 32px; } }

/* ================= 新闻模块完整样式 ================= */

        /* 1. 容器与通用 */
        .news-container { padding: 80px 0; }

        /* 2. 左侧：高端大图卡片 (仿 Tailwind) */
        .news-hero-modern {
            position: relative;
            height: 540px;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
            cursor: pointer;
        }
        .news-hero-modern img {
            width: 100%; height: 100%; object-fit: cover;
            transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .news-hero-modern:hover img { transform: scale(1.1); }

        /* 渐变遮罩 */
        .gradient-overlay {
            position: absolute; inset: 0; width: 100%; height: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
            z-index: 1;
        }

        /* 左侧内容区 */
        .hero-content-modern {
            position: absolute; bottom: 0; left: 0;
            padding: 48px; width: 100%; z-index: 2; color: white; text-align: left;
        }
        .modern-tag {
            display: inline-block; padding: 4px 12px;
            background-color: #2563eb; color: white; 
            font-size: 12px; font-weight: 700; border-radius: 4px; 
            margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.1em;
        }
        .modern-title {
            font-size: 32px; line-height: 1.3; font-weight: 700; margin-bottom: 16px; transition: color 0.3s;
        }
        .news-hero-modern:hover .modern-title { color: #93c5fd; }
        .modern-desc {
            color: #d1d5db; font-size: 16px; margin-bottom: 24px; font-weight: 300;
            display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
        }
        .modern-meta {
            display: flex; align-items: center; gap: 20px; font-size: 14px; color: #9ca3af;
        }

        /* 3. 右侧：列表小卡片 */
        .side-card {
            display: flex; 
            align-items: flex-start; /* 顶部对齐，防止内容少时图片居中太奇怪 */
            background: #fff; 
            padding: 15px;            /* 加大内边距 */
            border-radius: 16px; 
            margin-bottom: 20px; 
            transition: all 0.3s ease;
            border: 1px solid rgba(0,0,0,0.03);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            cursor: pointer;
            height: 120px;             /* 高度自适应 */
            box-sizing: border-box;       /* 最小高度 */
            text-align: left;
        }
        .side-card:last-child { margin-bottom: 0; }
        .side-card:hover { 
            transform: translateY(-4px); 
            box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.1); 
            border-color: rgba(37, 99, 235, 0.1); /* hover时边框微蓝 */
        }

        /* 图片容器 */
        .side-img { 
            width: 120px; height: 90px; /* 图片稍微大一点 */
            border-radius: 10px; 
            overflow: hidden; 
            flex-shrink: 0; 
            margin-right: 20px; 
        }
        .side-img img { 
            width: 100%; height: 100%; object-fit: cover; 
            transition: transform 0.5s; 
        }
        .side-card:hover .side-img img { transform: scale(1.1); }

        /* 右侧内容区 */
        .side-info { 
            flex: 1; 
            display: flex; 
            flex-direction: column;
            align-items: flex-start; 
            justify-content: space-between; /* 上下撑开 */
            height: 90px; /* 和图片高度保持一致 */
        }

        /* 1. 分类标签 (顶部蓝色字) */
        .side-category {
            font-size: 12px; 
            font-weight: 700; 
            color: #2563eb;       /* 鲜亮的蓝色 */
            margin-bottom: 4px; 
            display: block;
        }

        /* 2. 标题 (中间加粗) */
        .side-title { 
            font-size: 15px; 
            font-weight: 700; 
            line-height: 1.4; 
            color: #1f2937;       /* 深灰偏黑 */
            margin-bottom: auto;  /* 自动占据中间空间 */
            display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
            transition: color 0.2s;
        }
        /* hover时标题变蓝，还原图片效果 */
        .side-card:hover .side-title { color: #C4181F; }

        /* 3. 底部元数据 (灰色小字) */
        .side-meta { 
            font-size: 12px; 
            color: #9ca3af; 
            margin-top: 4px; 
            display: flex; 
            align-items: center;
            text-align: left;
        }

        /* 手机适配 */
        @media (max-width: 992px) {
            .news-hero-modern { height: 400px; margin-bottom: 30px; }
            .hero-content-modern { padding: 24px; }
            .modern-title { font-size: 22px; }
        }

        /* --- 自定义加宽容器 (比 Bootstrap 的 container 更宽) --- */
        .container-wide {
            width: 100%;              /* 手机端留出一点边距 */
            max-width: 1200px;       /* 电脑端最大宽度固定为 1200px (和您之前的设定一致) */
            margin: 0 auto;          /* 居中 */
            padding-left: 15px;      /* 防止文字贴边 */
            padding-right: 15px;
        }
        
        
/* ================= 面包屑导航 (全局通用版) ================= */
        .breadcrumb-container {
            padding: 20px 0;
        }

        .breadcrumb {
            display: inline-flex;
            align-items: center;
            background: #fff;
            padding: 10px 24px;
            border-radius: 99px; /* 药丸/胶囊形状 */
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            font-size: 13px;
            font-weight: 500;
            color: #86868b;
            border: 1px solid rgba(0,0,0,0.03); /* 极淡的边框增加质感 */
            margin: 0 !important; /* 清除 Bootstrap 的默认下边距 */
        }

        /* 所有的链接 */
        .breadcrumb a {
            color: #86868b;
            transition: color 0.2s;
            text-decoration: none;
        }

        /* 链接悬停 */
        .breadcrumb a:hover {
            color: #1d1d1f;
        }

        /* 分隔符 */
        .breadcrumb span {
            margin: 0 10px;
            color: #d2d2d7;
            font-size: 12px;
        }

        /* ★★★ 关键：让最后一个元素（当前页）变成蓝色加粗 ★★★ */
        .breadcrumb a:last-child {
            color: #383A3B;
            font-weight: 700;
            pointer-events: none; /* 当前页不需要再点击了 */
        }

        /* 手机适配 */
        @media (max-width: 768px) {
            .breadcrumb-container { padding: 15px 0; }
            .breadcrumb {
                padding: 8px 16px;
                font-size: 12px;
                width: 100%;
                overflow-x: auto; /* 手机上太长可以横向滑动 */
                white-space: nowrap; /* 强制不换行 */
            }
        }

        /* 顶部核心展示区 (Hero) */
        .product-hero {
            background: #fff;
            border-radius: 24px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            margin-bottom: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 60px; /* 左右间距 */
            align-items: flex-start;
        }

        /* 左侧：图片画廊 */
        .gallery-container {
            flex: 1;
            min-width: 300px;
            position: relative;
        }
        .main-image-box {
            width: 100%;
            height: 400px;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(0,0,0,0.04);
            display: flex; align-items: center; justify-content: center;
        }
        /* --- 修改后的代码 (完美填满版) --- */
        .main-image-box img {
            width: 100%;  /* 强制宽度撑满 */
            height: 100%; /* 强制高度撑满 */
            object-fit: cover; 
            object-position: center; 
            transition: transform 0.5s;
            border-radius: 16px; /* 确保图片圆角和外框一致 */
        }        
        .main-image-box:hover img { transform: scale(1.05); }

        /* 右侧：产品信息 */
        .info-container {
            flex: 1;
            min-width: 300px;
            padding-top: 10px;
        }
        .product-tag {
            display: inline-block;
            padding: 4px 12px;
            background: #eef5ff; color: #2563eb;
            border-radius: 4px; font-size: 12px; font-weight: 700;
            margin-bottom: 20px;
        }
        .product-title {
            font-size: 36px; font-weight: 700;
            color: #1d1d1f; line-height: 1.2;
            margin-bottom: 15px;
        }
        .product-model {
            font-size: 14px; color: #86868b;
            margin-bottom: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid #f5f5f7;
        }
        .product-desc {
            font-size: 16px; line-height: 1.8; color: #424245;
            margin-bottom: 40px;
        }

        /* 按钮组 */
        .action-group { display: flex; gap: 20px; flex-wrap: wrap; }

        /* ============================================
           高级简约按钮样式 v2.0
           特点：渐变质感、悬浮动效、深度阴影、玻璃拟态
           ============================================ */

        /* --- 主按钮：极光渐变 + 悬浮阴影 --- */
        .btn-primary {
            position: relative;
            padding: 16px 42px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: #fff;
            background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 50%, #1e40af 100%);
            border: none;
            border-radius: 12px;
            cursor: pointer;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow:
                0 4px 6px -1px rgba(37, 99, 235, 0.2),
                0 2px 4px -2px rgba(37, 99, 235, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.15);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        /* 光泽扫过效果 */
        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                90deg,
                transparent,
                rgba(255, 255, 255, 0.2),
                transparent
            );
            transition: left 0.6s ease;
        }

        .btn-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow:
                0 20px 25px -5px rgba(37, 99, 235, 0.3),
                0 8px 10px -6px rgba(37, 99, 235, 0.15),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
        }

        .btn-primary:hover::before {
            left: 100%;
        }

        .btn-primary:active {
            transform: translateY(-1px) scale(0.98);
            box-shadow:
                0 10px 15px -3px rgba(37, 99, 235, 0.25),
                inset 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        /* --- 次按钮：玻璃拟态 + 细腻边框 --- */
        .btn-outline {
            position: relative;
            padding: 16px 42px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: #1f2937;
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: 12px;
            cursor: pointer;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow:
                0 1px 2px rgba(0, 0, 0, 0.02),
                0 4px 8px -2px rgba(0, 0, 0, 0.04),
                inset 0 1px 0 rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-outline::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, transparent 50%);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .btn-outline:hover {
            transform: translateY(-3px);
            background: rgba(255, 255, 255, 0.9);
            border-color: rgba(37, 99, 235, 0.2);
            color: #C4181F;
            box-shadow:
                0 20px 25px -5px rgba(0, 0, 0, 0.08),
                0 8px 10px -6px rgba(0, 0, 0, 0.04),
                inset 0 1px 0 rgba(255, 255, 255, 1);
        }

        .btn-outline:hover::before {
            opacity: 1;
        }

        .btn-outline:active {
            transform: translateY(-1px);
            background: rgba(255, 255, 255, 0.8);
            box-shadow:
                0 10px 15px -3px rgba(0, 0, 0, 0.06),
                inset 0 2px 4px rgba(0, 0, 0, 0.03);
        }

        /* --- 图标支持 (可选) --- */
        .btn-icon {
            width: 18px;
            height: 18px;
            transition: transform 0.3s ease;
        }

        .btn-primary:hover .btn-icon,
        .btn-outline:hover .btn-icon {
            transform: translateX(3px);
        }

        /* 内容详情区容器 */
        .content-wrapper {
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

        /* 详情页 Tab 栏 */
        .detail-tabs {
            display: flex;
            border-bottom: 1px solid #f5f5f7;
            padding: 0 40px;
        }
        .tab-item {
            padding: 25px 0;
            margin-right: 40px;
            font-size: 16px; font-weight: 600;
            color: #86868b; cursor: pointer;
            position: relative;
            transition: 0.3s;
        }
        .tab-item.active { color: #2563eb; }
        .tab-item.active::after {
            content: ''; position: absolute; bottom: 0; left: 0;
            width: 100%; height: 3px; background: #2563eb;
            border-radius: 3px 3px 0 0;
        }

        /* 详情内容编辑器样式重置 */
        .detail-body { padding: 60px 40px; color: #1d1d1f; line-height: 1.8; min-height: 400px; }
        .detail-body img { max-width: 100% !important; height: auto !important; border-radius: 12px; margin: 20px 0; }
        .detail-body p { margin-bottom: 20px; font-size: 16px; }
        .detail-body h1, .detail-body h2, .detail-body h3 { margin-top: 40px; margin-bottom: 20px; font-weight: 700; }

        /* ============================================
           高级简约上下篇导航 Page Navigation
           ============================================ */
        /* ================= 底部翻页导航 (现代卡片版) ================= */
        .page-nav-modern {
            display: flex;
            gap: 24px;
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid #f5f5f7; /* 顶部柔和分割线 */
        }

        /* 翻页卡片通用样式 */
        .nav-card {
            flex: 1; /* 平分宽度 */
            display: flex;
            align-items: center;
            background: #fbfbfd; /* 极浅的灰色背景 */
            border-radius: 20px;
            padding: 24px 30px;
            text-decoration: none !important;
            transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            border: 1px solid transparent;
            min-width: 0; /* 必须加这个，防止长标题撑破 flex 容器 */
            cursor: pointer;
        }

        /* 悬停特效 */
        .nav-card:hover {
            background: #fff;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.04);
            transform: translateY(-4px);
            border-color: rgba(37, 99, 235, 0.1);
        }

        /* 左右排版方向 */
        .prev-card { justify-content: flex-start; }
        .next-card { justify-content: flex-end; }

        /* 文字信息容器 */
        .nav-info {
            display: flex;
            flex-direction: column;
            overflow: hidden; /* 配合文字截断 */
        }
        .next-card .nav-info {
            text-align: right;
        }

        /* 上/下一篇 标签小字 */
        .nav-label {
            font-size: 12px;
            color: #86868b;
            margin-bottom: 6px;
            font-weight: 500;
        }

        /* 文章标题大字 */
        .nav-title {
            font-size: 16px;
            color: #1d1d1f;
            font-weight: 600;
            white-space: nowrap;          /* 强制不换行 */
            overflow: hidden;             /* 超出隐藏 */
            text-overflow: ellipsis;      /* 显示省略号 */
            transition: color 0.3s;
        }

        /* 悬停时标题变蓝 */
        .nav-card:hover .nav-title {
            color: #2563eb;
        }

        /* 圆形箭头图标 */
        .nav-icon {
            width: 40px;
            height: 40px;
            background: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1d1d1f;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
            transition: all 0.3s;
            flex-shrink: 0; /* 防止图标被压缩 */
            font-size: 18px;
        }
        .prev-card .nav-icon { margin-right: 20px; }
        .next-card .nav-icon { margin-left: 20px; }

        /* 悬停时图标变蓝 */
        .nav-card:hover .nav-icon {
            background: #383A3B;
            color: #fff;
        }

        /* 手机端适配：改为上下堆叠排列 */
        @media (max-width: 768px) {
            .page-nav-modern {
                flex-direction: column;
                gap: 15px;
                padding-top: 30px;
            }
            .nav-card {
                padding: 20px;
                justify-content: space-between; /* 手机上让图标和文字靠两边 */
            }
            /* 手机上强制下一篇的排版方向和上一篇一致，看起来更整齐 */
            .next-card {
                flex-direction: row-reverse;
            }
            .next-card .nav-info { text-align: left; }
            .next-card .nav-icon { margin-left: 0; margin-right: 20px; }
        }

        /* 详情页手机适配 */
        @media (max-width: 768px) {
            .product-hero { padding: 20px; flex-direction: column; gap: 30px; }
            .main-image-box { height: 300px; }
            .product-title { font-size: 28px; }
            .action-group { flex-direction: column; }
            .btn-primary, .btn-outline { width: 100%; text-align: center; }
            .detail-tabs { padding: 0 20px; overflow-x: auto; }
            .detail-body { padding: 30px 20px; }
        }
        
/* ================= 产品特色模块 (2026 高端版) ================= */
        .feature-card {
            background: #0c0101;
            border-radius: 24px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            margin-bottom: 40px;
        }
        
        .feature-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 30px;
            color: #1d1d1f;
            position: relative;
            padding-left: 15px;
        }
        
        /* 标题前加个蓝色小竖条装饰 */
        .feature-title::before {
            content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
            width: 4px; height: 20px; background: #2563eb; border-radius: 4px;
        }
        
        /* 列表容器改用 Grid 网格布局 */
        .feature-list {
            list-style: none; padding: 0; margin: 0;
            display: grid;
            /* 自动适应：宽度够就放2列(每列至少300px)，不够就放1列 */
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px 40px; /* 行间距20px，列间距40px */
        }
        
        .feature-item {
            display: flex;
            align-items: flex-start;
            font-size: 15px;
            color: #424245;
            line-height: 1.6;
            font-weight: 500;
            /* 去掉了底部的分割线，更清爽 */
        }
        
        /* 新增：精致的图标容器气泡 */
        .feature-icon-box {
            flex-shrink: 0;
            width: 24px; height: 24px;
            /* 浅蓝色背景 */
            background-color: rgba(37, 99, 235, 0.1);
            /* 主蓝色图标 */
            color: #2563eb;
            border-radius: 50%; /* 圆形 */
            display: flex; align-items: center; justify-content: center;
            margin-right: 12px;
            margin-top: 2px; /* 微调对齐文字首行 */
        }
        
        .feature-icon-box i {
            font-size: 12px; /* 图标稍微小一点更精致 */
        }
        
        /* 手机适配 */
        @media (max-width: 768px) {
            .feature-card { padding: 25px; }
            .feature-title { font-size: 20px; margin-bottom: 20px; }
            /* 手机上强制单列，间距改小 */
            .feature-list { grid-template-columns: 1fr; gap: 15px; }
        }
        
        /* ================= 强制对齐补丁 ================= */
        /* 选中三个核心模块：顶部卡片、特色模块、详情卡片 */
        .product-hero, 
        .feature-card, 
        .content-wrapper {
            /* 1. 强制宽度撑满父容器 */
            width: 100% !important;
            
            /* 2. 统一内边距逻辑（确保内容不会撑大盒子） */
            box-sizing: border-box !important;
            
            /* 3. 清除可能存在的左右外边距 */
            margin-left: 0 !important;
            margin-right: 0 !important;
            
            /* 4. 统一圆角和阴影（确保视觉风格一致） */
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            background: #fff;
            
            /* 5. 统一底部间距 */
            margin-bottom: 40px;
        }
        
        /* 修正特色模块的内边距，使其和上下模块内部对齐 */
        .feature-card {
            padding: 40px !important; /* 和 product-hero 保持一致 */
        }
        
        /* 修正特色模块标题的左边距，防止它看起来“缩进去”了 */
        .feature-title {
            padding-left: 15px; /* 之前写的左移，保持现状即可，配合左侧蓝条 */
            margin-top: 0;
        }


        /* ================= 产品列表页 (2026 瀑布流卡片版) ================= */
        .pages { padding-top: 40px; padding-bottom: 60px; }

        /* 筛选器样式优化 */
        .filter-row {
            background: #fbfbfd;
            padding: 20px;
            border-radius: 16px;
            margin-bottom: 30px;
        }
        .filter-label { font-weight: 600; color: #1d1d1f; line-height: 38px; }
        .btn-filter {
            border-radius: 99px;
            padding: 6px 20px;
            margin-right: 10px;
            margin-bottom: 10px;
            font-size: 14px;
            border: 1px solid #d2d2d7;
            background: #fff;
            color: #1d1d1f;
            transition: all 0.3s;
            /* ★★★ 关键：默认状态取消下划线 ★★★ */
            text-decoration: none !important; 
            display: inline-block; /* 确保 padding 效果正常 */
        }

        .btn-filter.active, 
        .btn-filter:hover {
            background: #383A3B;
            border-color: #383A3B;
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
            text-decoration: none !important; 
            color: #fff !important;
        }

        /* 产品卡片整体 */
        .product-card {
            border: none !important;
            border-radius: 20px !important;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            background: #fff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            margin-bottom: 30px;
            height: 100%;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        /* 图片容器 */
        .card-img-wrapper {
            position: relative;
            padding-top: 75%; /* 4:3 比例 */
            overflow: hidden;
            background: #f5f5f7;
        }

        .card-img-wrapper img {
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 100%;
            object-fit: cover; /* 自动贴合裁切 */
            transition: transform 0.6s;
        }

        .product-card:hover img {
            transform: scale(1.08);
        }

        /* 卡片文字区 */
        .card-body { padding: 25px !important; }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .card-title a { color: #1d1d1f; text-decoration: none !important; transition: color 0.3s; }
        .card-card:hover .card-title a { color: #383A3B; }

        .card-text {
            font-size: 14px;
            color: #86868b;
            line-height: 1.6;
            height: 4.8em; /* 限制三行文字 */
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
        }

        /* 标签样式 */
        .badge-custom {
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 11px;
            margin-right: 5px;
            text-transform: uppercase;
            font-weight: 600;
        }
        .bg-recommend { background: rgba(37, 99, 235, 0.1); color: #383A3B; }
        .bg-hot { background: rgba(255, 59, 48, 0.1); color: #ff3b30; }

        /* “查看更多”按钮 UI */
        .btn-more {
            display: inline-block;
            margin-top: 15px;
            padding: 8px 24px;
            background: #f5f5f7;
            color: #1d1d1f;
            border-radius: 99px;
            font-size: 13px;
            font-weight: 600;
            transition: all 0.3s;
            text-decoration: none !important;
        }
        .product-card:hover .btn-more {
            background: #383A3B;
            color: #fff;
        }

        /* ================= 全局分页样式 (Modern Pagination) ================= */
        .pagination-wrapper {
            margin: 50px 0;
            display: flex;
            justify-content: center;
        }

        .pagination {
            display: flex;
            gap: 8px; /* 按钮之间的间距 */
            list-style: none;
            padding: 0;
            align-items: center;
        }

        /* 所有的分页按钮通用样式 */
        .pagination a, .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 15px;
            border-radius: 12px; /* 大圆角 */
            background: #fff;
            color: #86868b;
            font-size: 14px;
            font-weight: 500;
            text-decoration: none !important;
            border: 1px solid #f5f5f7;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 鼠标悬停效果 */
        .pagination a:hover {
            background: #f5f5f7;
            color: #1d1d1f;
            border-color: #d2d2d7;
            transform: translateY(-2px);
        }

        /* 当前选中的数字页码 */
        .pagination .page-num-current, 
        .pagination .active {
            background: #383A3B !important; /* 品牌蓝 */
            color: #fff !important;
            border-color: #383A3B !important;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        /* 首页/末页等特殊文字按钮 */
        .pagination .page-item-text {
            font-size: 13px;
            background: #fbfbfd;
        }

        /* 禁用状态（比如已经在第一页时的“上一页”） */
        .pagination .disabled {
            opacity: 0.5;
            cursor: not-allowed;
            background: #f5f5f7;
        }

        /* 手机端优化：隐藏部分数字，防止换行 */
        @media (max-width: 576px) {
            .pagination a, .pagination span {
                min-width: 35px;
                height: 35px;
                padding: 0 10px;
                font-size: 12px;
                border-radius: 8px;
            }
            .pagination { gap: 5px; }
        }

        /* ================= 新闻列表页 (现代科技版) ================= */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 30px 0;
        }

        .news-item {
            background: #fff;
            border-radius: 16px;
            margin-bottom: 15px;
            padding: 20px 25px;
            transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            border: 1px solid #f5f5f7;
            display: flex;
            align-items: center;
            text-decoration: none !important;
        }

        .news-item:hover {
            transform: translateX(10px); /* 悬停右移 */
            background: #fbfbfd;
            border-color: rgba(37, 99, 235, 0.1);
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
        }

        /* 日期方块 */
        .news-date-box {
            flex-shrink: 0;
            width: 65px;
            text-align: center;
            margin-right: 25px;
            padding-right: 25px;
            border-right: 1px solid #eee;
        }
        .news-day {
            display: block;
            font-size: 24px;
            font-weight: 700;
            color: #1d1d1f;
            line-height: 1;
        }
        .news-month {
            display: block;
            font-size: 12px;
            color: #86868b;
            margin-top: 5px;
            text-transform: uppercase;
        }

        /* 标题区域 */
        .news-info {
            flex-grow: 1;
            min-width: 0;
        }
        .news-title {
            font-size: 16px;
            color: #1d1d1f;
            font-weight: 600;
            margin-bottom: 5px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color 0.3s;
        }
        .news-item:hover .news-title {
            color: #383A3B;
        }

        /* 标签样式统一 */
        .badge-news {
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 11px;
            margin-right: 8px;
            font-weight: 600;
        }
        .bg-news-top { background: rgba(255, 59, 48, 0.1); color: #ff3b30; }
        .bg-news-rec { background: rgba(37, 99, 235, 0.1); color: #2563eb; }

        /* 右侧箭头 */
        .news-arrow {
            color: #d2d2d7;
            font-size: 18px;
            margin-left: 15px;
            transition: all 0.3s;
        }
        .news-item:hover .news-arrow {
            color: #383A3B;
            transform: translateX(5px);
        }

        /* 手机适配 */
        @media (max-width: 768px) {
            .news-item { padding: 15px; }
            .news-date-box { margin-right: 15px; padding-right: 15px; width: 55px; }
            .news-day { font-size: 20px; }
            .news-arrow { display: none; } /* 手机端隐藏箭头更简洁 */
        }

        /* ================= 新闻列表页 - 精致窄栏版 (2026) ================= */
        .news-compact-list {
            display: flex;
            flex-direction: column;
            gap: 15px; /* 条目间距更紧凑 */
            margin-bottom: 40px;
        }

        .news-compact-item {
            display: flex;
            background: #fff;
            border-radius: 12px;
            border: 1px solid #f2f2f7;
            overflow: hidden;
            height: 140px; /* 固定高度，确保整齐 */
            transition: all 0.3s ease;
            text-decoration: none !important;
        }

        .news-compact-item:hover {
            background: #fbfbfd;
            border-color: #383A3B;
            transform: translateX(4px); /* 悬浮时向右微滑，更有灵感 */
        }

        /* 窄版缩略图 */
        .news-compact-img {
            width: 200px;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }

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

        /* 内容区域压缩 */
        .news-compact-info {
            padding: 15px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex-grow: 1;
            overflow: hidden;
        }

        .news-compact-title {
            font-size: 17px; /* 标题字号微调 */
            font-weight: 600;
            color: #1d1d1f;
            margin-bottom: 8px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis; /* 标题单行溢出隐藏 */
        }

        .news-compact-desc {
            font-size: 13px;
            color: #86868b;
            line-height: 1.5;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2; /* 摘要最多保留两行 */
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 底部元数据 */
        .news-compact-meta {
            font-size: 12px;
            color: #86868b;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .news-compact-meta i { margin-right: 4px; color: #383A3B; }

        /* 移动端适配 */
        @media (max-width: 576px) {
            .news-compact-item { height: auto; }
            .news-compact-img { width: 120px; }
            .news-compact-info { padding: 12px; }
            .news-compact-desc { display: none; } /* 手机端不显示摘要，只留标题和日期 */
        }

        /* ================= 单页/关于我们 (2026 优雅阅读版) ================= */
        .about-wrapper {
            background: #fff;
            border-radius: 24px;
            padding: 60px 80px;
            margin-bottom: 60px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            border: 1px solid #f5f5f7;
        }

        /* 标题样式：大方、简洁 */
        .about-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .about-title {
            font-size: 32px;
            font-weight: 700;
            color: #1d1d1f;
            margin-bottom: 15px;
            letter-spacing: -0.5px;
        }

        /* 装饰短线 */
        .about-title::after {
            content: '';
            display: block;
            width: 40px;
            height: 4px;
            background: #C4252C;
            margin: 15px auto 0;
            border-radius: 2px;
        }

        /* 内容区域优化：模仿高端媒体的排版 */
        .about-content {
            font-size: 17px;
            color: #424245;
            line-height: 1.8;
            word-break: break-all;
        }

        .about-content p {
            margin-bottom: 25px;
        }

        .about-content img {
            max-width: 100%;
            height: auto !important;
            border-radius: 16px; /* 内容里的图片也带圆角 */
            margin: 20px 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        /* 手机端适配 */
        @media (max-width: 768px) {
            .about-wrapper {
                padding: 40px 20px;
                border-radius: 0; /* 手机上铺满 */
                margin-bottom: 30px;
                box-shadow: none;
                border: none;
            }
            .about-title { font-size: 26px; }
        }

        /* ================= 联系我们 (2026 沉浸式设计) ================= */
        .contact-container {
            margin-bottom: 60px;
        }

        /* 顶部信息卡片 */
        .contact-header-card {
            background: #1d1d1f;
            color: #fff;
            border-radius: 24px;
            padding: 60px 40px;
            text-align: center;
            margin-bottom: 40px;
            background-image: linear-gradient(135deg, #1d1d1f 0%, #383A3B 100%);
        }

        .contact-header-card h2 { font-size: 32px; font-weight: 700; margin-bottom: 15px; }
        .contact-header-card p { color: rgba(255,255,255,0.7); font-size: 16px; }

        /* 联系方式网格 */
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        .contact-info-item {
            background: #fff;
            padding: 30px;
            border-radius: 20px;
            border: 1px solid #f5f5f7;
            transition: all 0.3s ease;
            text-align: center;
        }

        .contact-info-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        .contact-info-item i {
            font-size: 28px;
            color: #C4252C;
            margin-bottom: 20px;
            display: block;
        }

        .contact-info-item h4 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: #1d1d1f; }
        .contact-info-item p { color: #86868b; font-size: 14px; margin: 0; line-height: 1.6; }

        /* 留言表单区域 */
        .message-section {
            background: #fff;
            border-radius: 24px;
            padding: 50px;
            border: 1px solid #f5f5f7;
        }

        .message-title { font-size: 24px; font-weight: 700; margin-bottom: 30px; color: #1d1d1f; text-align: center; }

        .form-group label { font-weight: 600; color: #424245; font-size: 14px; margin-bottom: 8px; }

        .custom-input {
            border-radius: 12px !important;
            border: 1px solid #d2d2d7 !important;
            padding: 12px 18px !important;
            font-size: 14px !important;
            transition: all 0.3s !important;
            background: #fbfbfd !important;
        }

        .custom-input:focus {
            border-color: #C4252C !important;
            background: #fff !important;
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1) !important;
        }

        /* 手机端适配 */
        @media (max-width: 768px) {
            .contact-header-card { padding: 40px 20px; }
            .message-section { padding: 30px 20px; }
        }


        /* ================= 新闻详情页 (2026 阅读优化版) ================= */
        .news-detail-container {
            margin-top: -30px; /* 向上微调，与顶部衔接更紧凑 */
            margin-bottom: 60px;
        }

        /* 沉浸式页眉区 */
        .news-hero-section {
            background: #1d1d1f;
            color: #fff;
            padding: 60px 0;
            border-radius: 0 0 40px 40px;
            margin-bottom: 50px;
            background-image: radial-gradient(circle at 50% 150%, #C4252C 0%, #1d1d1f 50%);
        }

        .news-hero-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 25px;
            letter-spacing: -1px;
        }

        .news-hero-meta {
            display: flex;
            gap: 30px;
            color: rgba(255,255,255,0.6);
            font-size: 14px;
        }

        .news-hero-meta span i { margin-right: 8px; color: #c6c6c6; }

        /* 正文主体 */
        .news-main-body {
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid #f5f5f7;
            box-shadow: 0 4px 24px rgba(0,0,0,0.02);
        }

        /* ================= 侧边栏：最新推荐 (独立小卡片版) ================= */
        /* 1. 重置大容器，让它变回透明骨架 */
        .news-sidebar {
            background: transparent !important;
            padding: 0;
            border: none;
            box-shadow: none;
            margin-left: 20px; /* 保持与左侧正文的间距 */
        }

        /* 2. 标题悬浮在网格上方 */
        .sidebar-title {
            font-size: 18px;
            font-weight: 700;
            margin-top: 0;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #C4252C;
            display: inline-block;
            color: #1d1d1f;
        }

        /* 3. ★★★ 核心：将每一条新闻变成独立的白色底板卡片 ★★★ */
        .sidebar-item {
            display: block;
            background: #ffffff !important; /* 纯白底板 */
            padding: 20px;                  /* 内边距撑起卡片 */
            border-radius: 16px;            /* 苹果风圆角 */
            margin-bottom: 15px;            /* 卡片之间的上下间距 */
            border: 1px solid rgba(0, 0, 0, 0.04);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02); /* 淡淡的底板投影 */
            text-decoration: none !important;
            transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* 4. 悬停时的浮动与高亮效果 */
        .sidebar-item:hover {
            transform: translateY(-4px); /* 向上轻轻浮动 */
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06); /* 阴影加深 */
            border-color: rgba(37, 99, 235, 0.2); /* 边框微蓝，呼应品牌色 */
        }

        /* 5. 卡片内部文字优化 */
        .sidebar-item-title {
            font-size: 14px;
            color: #1d1d1f;
            font-weight: 600;
            line-height: 1.5;
            transition: color 0.3s;
            margin-bottom: 8px;
        }

        /* 6. 卡片内部文字悬浮变化 */
        .sidebar-item:hover .sidebar-item-title { 
            color: #C4252C; 
        }

        .sidebar-item-date { 
            font-size: 12px; 
            color: #86868b; 
        }

        /* 6. 手机端适配：去掉左边距，防止屏幕太窄 */
        @media (max-width: 992px) {
            .news-sidebar {
                margin-left: 0;
                margin-top: 40px;
            }
        }

        /* 底部阅读导航 */
        .post-nav-wrapper {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            gap: 20px;
        }

        .post-nav-card {
            flex: 1;
            background: #fbfbfd;
            padding: 20px;
            border-radius: 16px;
            transition: all 0.3s;
            border: 1px solid transparent;
        }

        .post-nav-card:hover {
            background: #fff;
            border-color: #383A3B;
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .post-nav-label { font-size: 12px; color: #86868b; margin-bottom: 8px; text-transform: uppercase; }
        .post-nav-link { color: #1d1d1f; font-weight: 600; font-size: 15px; }

        @media (max-width: 992px) {
            .news-sidebar { padding-left: 0; margin-top: 40px; }
            .news-hero-title { font-size: 28px; }
        }

        /* ================= 通用页头 Banner (2026 高级定制版) ================= */
        .modern-top-banner {
            position: relative;
            height: 300px; /* 固定高度，看起来更规整 */
            display: flex;
            align-items: center;
            overflow: hidden;
            margin-bottom: 40px;
            background-color: #1d1d1f; /* 备用背景色 */
        }

        /* 背景图层：带暗色遮罩，确保文字清晰 */
        .banner-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            transition: transform 0.5s ease;
        }

        .modern-top-banner:hover .banner-bg {
            transform: scale(1.05); /* 鼠标悬浮时背景轻微放大，增加动感 */
        }

        .banner-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, rgba(29, 29, 31, 0.8) 0%, rgba(29, 29, 31, 0.2) 100%);
        }

        /* 文字内容区 */
        .banner-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .banner-tag {
            display: inline-block;
            background: #C4181F;
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .banner-title {
            font-size: 42px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -1px;
        }

        .banner-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            line-height: 1.5;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .modern-top-banner { height: 200px; }
            .banner-title { font-size: 28px; }
            .banner-subtitle { font-size: 14px; }
        }

        /* ================= 公司简介单页增强版 ================= */
        .about-container { margin-bottom: 80px; }

        /* 1. 公司介绍区块 */
        .intro-section { padding: 60px 0; line-height: 2; color: #424245; font-size: 16px; }
        .intro-section h3 { font-size: 28px; font-weight: 700; color: #1d1d1f; margin-bottom: 30px; position: relative; }
        .intro-section h3::after { content: ''; display: block; width: 50px; height: 4px; background: #2563eb; margin-top: 15px; }

        /* 2. 公司实景展示 (Gallery) */
        .gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 40px 0 80px; }
        .gallery-item { height: 260px; border-radius: 16px; overflow: hidden; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
        .gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
        .gallery-item:hover img { transform: scale(1.1); }
        .gallery-item:nth-child(1) { grid-column: span 2; } /* 第一张大图突出显示 */

        /* 3. 资质证书区块 (Certificates) */
        .cert-section { background: #fbfbfd; padding: 80px 0; border-radius: 40px; margin-bottom: 60px; }
        .cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; }
        .cert-item { background: #fff; padding: 15px; border-radius: 12px; border: 1px solid #f2f2f7; transition: all 0.3s ease; text-align: center; }
        .cert-item:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.1); border-color: #2563eb; }
        .cert-item img { width: 100%; height: auto; border-radius: 4px; margin-bottom: 15px; }
        .cert-name { font-size: 14px; color: #1d1d1f; font-weight: 600; }

        @media (max-width: 768px) {
            .gallery-grid { grid-template-columns: 1fr; }
            .gallery-item:nth-child(1) { grid-column: span 1; }
            .intro-section { padding: 40px 20px; }
        }

        /* ================= 荣誉资质板块样式 ================= */
        .honor-section {
            margin-top: 60px;
            padding-bottom: 80px;
        }

        .honor-title {
            font-size: 24px;
            font-weight: 700;
            color: #1d1d1f;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .honor-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 24px;
            background: #2563eb;
            border-radius: 2px;
        }

        /* 模拟代码块容器 */
        .honor-code-wrapper {
            background: #1d1d1f; /* 深空黑背景 */
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
            position: relative;
            overflow: hidden;
        }

        /* 模拟窗口装饰点 */
        .honor-code-wrapper::before {
            content: '● ● ●';
            display: block;
            color: #424245;
            font-size: 12px;
            margin-bottom: 20px;
            letter-spacing: 2px;
        }

        .honor-list {
            list-style: none;
            padding: 0;
            margin: 0;
            font-family: 'SF Mono', 'Monaco', 'Consolas', monospace; /* 使用等宽字体 */
        }

        .honor-item {
            display: flex;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            transition: all 0.3s;
        }

        .honor-item:hover {
            background: rgba(37, 99, 235, 0.1);
            padding-left: 10px;
        }

        .honor-year {
            color: #2563eb; /* 科技蓝年份 */
            width: 100px;
            flex-shrink: 0;
            font-weight: 600;
        }

        .honor-name {
            color: #e9ecef; /* 淡灰色文字 */
            flex-grow: 1;
        }

        .honor-status {
            color: #34c759; /* 绿色代表“已认证/通过” */
            font-size: 12px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .honor-code-wrapper { padding: 20px; }
            .honor-year { width: 70px; font-size: 14px; }
            .honor-name { font-size: 14px; }
        }
        
                /* 1. 汉堡包菜单按钮基础样式 (手机版导航栏) */
        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 24px;
            height: 16px;
            cursor: pointer;
            z-index: 1001;
            position: relative;
        }

        .menu-toggle .bar {
            display: block;
            width: 100%;
            height: 1.5px;
            background: #1d1d1f;
            transition: all 0.3s ease;
            border-radius: 2px;
        }