/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, sans-serif;
        }

        :root {
            --primary: #1a3a6c;      /* 深蓝 - 企业主色 */
            --secondary: #2a5680;    /* 中蓝 - 辅助色 */
            --accent: #42a5f5;       /* 亮蓝 - 强调色 */
            --light: #e6f0ff;        /* 浅蓝 - 背景色 */
            --dark: #0a1e37;         /* 深蓝 - 文字色 */
            --text: #333;            /* 正文文字 */
            --text-light: #666;      /* 辅助文字 */
            --white: #ffffff;        /* 白色 */
            --shadow: rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border: 1px solid #d0e0f0;
        }

        body {
            background: linear-gradient(135deg, #f0f7ff 0%, #e6f0ff 100%);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
            padding: 0;
            margin: 0;
        }

        .ups-container {
            max-width: 80%;
            margin: 80px auto;
            padding: 20px;
            width: 100%;
            display: grid;
            grid-template-columns: 250px 1fr;
            gap: 25px;
        }

        /* 面包屑导航 */
        .ups-breadcrumb {
            background: var(--white);
            border-radius: 8px;
            padding: 15px 30px;
            box-shadow: 0 2px 15px rgba(42, 86, 128, 0.05);
            margin-bottom: 15px;
            font-size: 14px;
            display: flex;
            align-items: center;
            border: var(--border);
            grid-column: 1 / -1;
        }

        .ups-breadcrumb a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 4px;
        }

        .ups-breadcrumb a:hover {
            background: var(--light);
        }

        .ups-breadcrumb span:last-child {
            color: var(--text-light);
            padding: 5px 10px;
        }

        .ups-separator {
            margin: 0 10px;
            color: #cbd5e1;
        }

        /* 左侧悬浮产品分类 - 修复 */
        .ups-sidebar {
            background: var(--white);
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            padding: 15px 0;
            position: sticky;
            top: 30px;
            height: fit-content;
            max-height: calc(100vh - 100px);
            overflow-y: auto;
            border: var极(--border);
        }

        .ups-sidebar h3 {
            color: var(--primary);
            padding: 0 20px 15px;
            border-bottom: var(--border);
            margin: 10px 0 12px;
            font-size: 18px;
            background: var(--light);
            padding: 10px 20px;
            border-radius: 6px;
        }

        .ups-category-list {
            list-style: none;
        }

        .ups-category-item {
            transition: var(--transition);
            cursor: pointer;
        }

        .ups-category-item a {
            text-decoration: none;
            color: var(--text);
            display: block;
            padding: 12px 25px;
            transition: var(--transition);
            position: relative;
        }

        .ups-category-item a:hover, .ups-category-item.active a {
            background: var(--light);
            color: var(--primary);
        }

        .ups-category-item a:after {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 0;
            background: var(--accent);
            transition: var(--transition);
            opacity: 0.1;
        }

        .ups-category-item a:hover:after, .ups-category-item.active a:after {
            width: 100%;
        }

        .ups-category-item.active a {
            font-weight: 600;
        }

        /* 产品主区域 */
        .ups-product-detail {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-bottom: 40px;
        }

        /* 产品图片区域 - 优化 */
        .ups-product-gallery {
            background: var(--white);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            border: var(--border);
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .ups-main-image-container {
            position: relative;
            height: 380px; /* 降低高度 */
            overflow: hidden;
            background: #f0f7ff;
            border-radius: 8px;
            border: var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .ups-main-image-container img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            padding: 20px;
            transition: var(--transition);
        }

        /* 缩略图区域优化 */
        .ups-thumbnail-container {
            position: relative;
            display: flex;
            align-items: center;
        }

        .ups-thumbnail-scroll {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding: 5px;
            width: 100%;
            scrollbar-width: none; /* Firefox */
        }

        .ups-thumbnail-scroll::-webkit-scrollbar {
            display: none; /* Chrome, Safari, Opera */
        }

        .ups-thumbnail {
            flex: 0 0 120px; /* 增大缩略图尺寸 */
            height: 120px;
            background: #f0f7ff;
            border-radius: 6px;
            cursor: pointer;
            border: var(--border);
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .ups-thumbnail:hover, .ups-thumbnail.active {
            border-color: var(--accent);
            transform: scale(1.05);
        }

        .ups-thumbnail img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            padding: 10px;
        }

        .ups-scroll-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 36px;
            height: 36px;
            background: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            z-index: 10;
            border: var(--border);
            transition: var(--transition);
        }

        .ups-scroll-btn:hover {
            background: var(--light);
            transform: translateY(-50%) scale(1.1);
        }

        .ups-scroll-btn.prev {
            left: -18px;
        }

        .ups-scroll-btn.next {
            right: -18px;
        }

        /* 产品信息区域 */
        .ups-product-info {
            background: var(--white);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            border: var(--border);
            display: flex;
            flex-direction: column;
        }

        .ups-product-header {
            padding-bottom: 20px;
            border-bottom: var(--border);
            margin-bottom: 20px;
        }

        .ups-product-title {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
            background: var(--light);
            padding: 10px 15px;
            border-radius: 8px;
            display: inline-block;
        }

        .ups-product-subtitle {
            font-size: 18px;
            color: var(--text-light);
            margin-bottom: 15px;
        }

        .ups-product-description {
            margin-bottom: 25px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .ups-product-specs {
            margin-bottom: 25px;
        }

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

        .ups-spec-item {
            display: flex;
            flex-direction: column;
            padding: 15px;
            background: var(--light);
            border-radius: 8px;
            overflow: hidden;
            min-width: 0;
        }

        .ups-spec-label {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 5px;
        }

        .ups-spec-value {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            width: 100%;
            overflow: hidden;
            display: inline-block;       /* 转换为行内块元素，支持宽度约束 */
            max-width: 100%;             /* 限制最大宽度为父容器宽度 */
            word-break: break-word;      /* 强制长单词/数字换行 */
            overflow-wrap: break-word;   /* 现代浏览器换行标准 */
            white-space: normal;         /* 覆盖可能的nowrap设置 */
        }

        .ups-action-buttons {
            display: flex;
            justify-content: center;
            margin-top: auto;
        }

        .ups-btn {
            padding: 15px 40px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            text-align: center;
            text-decoration: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .ups-btn-primary {
            background: var(--primary);
            color: white;
        }

        .ups-btn-primary:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(26, 58, 108, 0.2);
        }

        /* 产品详情区域 - 包含所有内容 */
        .ups-product-details {
            background: var(--white);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            border: var(--border);
            margin-bottom: 40px;
            grid-column: 1 / -1;
        }

        .ups-detail-tabs {
            display: flex;
            border-bottom: var(--border);
            margin-bottom: 25px;
        }

        .ups-tab {
            padding: 15px 25px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .ups-tab.active {
            color: var(--primary);
        }

        .ups-tab.active:after {
            content: "";
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent);
        }

        .ups-tab-content {
            display: none;
        }

        .ups-tab-content.active {
            display: block;
        }
        /* 新增响应式图片样式 */
.ups-tab-content img {
    max-width: 100%;  /* 图片最大宽度不超过容器 */
    height: auto;     /* 高度自动等比缩放 */
    display: block;   /* 消除图片底部间隙 */
    margin: 0 auto;   /* 居中显示 */
}

        .ups-features-content {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .ups-feature {
            display: flex;
            gap: 15px;
        }

        .ups-feature-icon {
            flex: 0 0 50px;
            height: 50px;
            background: var(--light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
        }

        .ups-feature-content h3 {
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .ups-feature-content p {
            color: var(--text-light);
            line-height: 1.7;
        }

        .ups-specs-table {
            width: 100%;
            border-collapse: collapse;
        }

        .ups-specs-table th, .ups-specs-table td {
            padding: 15px;
            text-align: left;
            border-bottom: var(--border);
        }

        .ups-specs-table th {
            background: var(--light);
            color: var(--primary);
            font-weight: 600;
        }

        .ups-specs-table tr:last-child td {
            border-bottom: none;
        }

        .ups-installation-content {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .ups-installation-step {
            display: flex;
            gap: 15px;
        }

        .ups-step-number {
            flex: 0 0 40px;
            height: 40px;
            background: var(--accent);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: bold;
        }
        
        .ups-installation-content h3 {
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .ups-features-content ul {
            max-width: 100% !important;
            min-width: 0 !important;
            overflow: hidden !important;
        }
        
        .ups-features-content p {
            color: var(--text-light);
            line-height: 1.7;
            max-width: 100% !important;
            min-width: 0 !important;
            overflow: hidden !important;
        }
        
        .ups-installation-content ul {
            max-width: 100% !important;
            min-width: 0 !important;
            overflow: hidden !important;
        }
        
        .ups-installation-content p {
            color: var(--text-light);
            line-height: 1.7;
            max-width: 100% !important;
            min-width: 0 !important;
            overflow: hidden !important;
        }

        /* 上一篇/下一篇导航 - 位置调整 */
        .ups-navigation {
            background: var(--light); /* 添加背景色 */
            border-radius: 8px;
            padding: 15px 30px;
            box-shadow: 0 2px 15px rgba(42, 86, 128, 0.05);
            margin: 25px 0;
            display: flex;
            justify-content: space-between;
            border: var(--border);
        }

        .ups-nav-btn {
            display: flex;
            align-items: center;
            text-decoration: none;
            color: var(--primary);
            font-weight: 500;
            transition: var(--transition);
            padding: 8px 15px;
            border-radius: 6px;
        }

        .ups-nav-btn:hover {
            background: rgba(66, 165, 245, 0.1);
        }

        .ups-nav-btn.prev i {
            margin-right: 8px;
        }

        .ups-nav-btn.next i {
            margin-left: 8px;
        }

        /* 咨询表单 - 优化 */
        .ups-contact-form {
            background: var(--white);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            border: var(--border);
            margin: 25px 0;
        }

        .ups-form-title {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: var(--border);
            background: var(--light);
            padding: 10px 15px;
            border-radius: 8px;
        }

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

        .ups-form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .ups-form-group.full-width {
            grid-column: 1 / -1;
        }

        .ups-form-label {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
        }

        .ups-form-input {
            padding: 12px 15px;
            border: var(--border);
            border-radius: 8px;
            font-size: 15px;
            transition: var(--transition);
        }

        .ups-form-input:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(66, 165, 245, 0.2);
        }

        .ups-form-textarea {
            min-height: 120px;
            resize: vertical;
        }

        /* 验证码布局优化 */
        .ups-captcha-container {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 10px;
        }

        .ups-captcha-label {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            white-space: nowrap;
        }

        .ups-captcha-input {
            padding: 12px 15px;
            border: var(--border);
            border-radius: 8px;
            font-size: 15px;
            transition: var(--transition);
            width: 120px;
        }

        .ups-captcha-code {
            width: 120px;
            height: 40px;
            background: #f0f0f0;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            letter-spacing: 3px;
            color: var(--primary);
            cursor: pointer;
            font-family: 'Courier New', monospace;
            font-size: 18px;
        }

        .ups-form-submit {
            background: var(--primary);
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: block;
            /*margin-left: auto;*/
        }

        .ups-form-submit:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(26, 58, 108, 0.2);
        }

        /* 相关产品 - 一行五个 */
        .ups-related-products {
            background: var(--white);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            border: var(--border);
            margin-top: 25px;
        }

        .ups-section-title {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: var(--border);
            text-align: center;
            background: var(--light);
            padding: 10px 15px;
            border-radius: 8px;
            display: inline-block;
        }

        .ups-related-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .ups-related-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: var(--border);
        }

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

        .ups-related-image-container {
            position: relative;
            padding-top: 75%; /* 4:3比例 */
            overflow: hidden;
            background: #f0f7ff;
            border-bottom: var(--border);
        }

        .ups-related-image-container img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: contain;
            padding: 20px;
            transition: var(--transition);
        }

        .ups-related-card:hover .ups-related-image-container img {
            transform: scale(1.05);
        }

        .ups-related-info {
            padding: 20px;
            flex-grow: 1;
            text-align: center;
        }

        .ups-related-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .ups-related-specs {
            list-style: none;
            margin-bottom: 15px;
        }

        .ups-related-specs li {
            font-size: 14px;
            color: var(--text-light);
            padding: 5px 0;
        }

        .ups-related-link {
            display: inline-block;
            color: var(--accent);
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
            margin-top: 10px;
        }

        .ups-related-link:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .ups-container {
                grid-template-columns: 1fr;
                max-width: 100%;
            }
            
            .ups-sidebar {
                position: relative;
                top: 0;
                max-height: none;
            }
            
            .ups-product-detail {
                grid-template-columns: 1fr;
            }
            
            .ups-related-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (max-width: 992px) {
            .ups-form-grid {
                grid-template-columns: 1fr;
            }
            
            .ups-related-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .ups-container {
                padding: 15px;
                max-width: 100%; /* 移动端放宽限制 */
            }
            
            .ups-breadcrumb {
                padding: 12px 15px;
                flex-wrap: wrap;
            }
            
            .ups-navigation {
                flex-direction: column;
                gap: 10px;
                padding: 15px;
            }
            
            .ups-product-gallery, 
            .ups-product-info,
            .ups-product-details,
            .ups-contact-form,
            .ups-related-products {
                padding: 20px;
                max-width: 100vw;
            }
            
            .ups-detail-tabs {
                flex-wrap: wrap;
            }
            
            .ups-tab {
                padding: 10px 15px;
                font-size: 14px;
            }
            
            .ups-thumbnail {
                flex: 0 0 100px;
                height: 100px;
            }
            
            .ups-main-image-container {
                height: 300px;
            }
            
            .ups-related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .ups-container {
                padding: 0;
                margin: 0;
            }
            
            .ups-product-title {
                font-size: 24px;
            }
            
            .ups-product-subtitle {
                font-size: 16px;
            }
            
            .ups-btn {
                padding: 12px 30px;
                font-size: 14px;
            }
            
            .ups-specs-table {
                font-size: 14px;
            }
            
            .ups-specs-table th, .ups-specs-table td {
                padding: 10px;
            }
            
            .ups-main-image-container {
                height: 250px;
            }
            
            .ups-related-grid {
                grid-template-columns: 1fr;
            }
        }