/* 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-solution-container {
            max-width: 1800px;
            margin: 100px auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 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: 20px 0;
            font-size: 14px;
            display: flex;
            align-items: center;
            border: var(--border);
        }

        .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;
        }

        /* 页面标题 */
        .ups-page-header {
            text-align: center;
            padding: 40px 0 30px;
            margin-bottom: 30px;
            position: relative;
        }

        .ups-page-header:after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
        }

        .ups-page-title {
            font-size: 42px;
            color: var(--primary);
            margin-bottom: 15px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .ups-page-subtitle {
            font-size: 20px;
            color: var(--text-light);
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* 全球电压支持横幅 */
        .ups-global-banner {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 12px;
            padding: 25px;
            margin: 30px 0;
            color: white;
            text-align: center;
            box-shadow: 0 10px 30px rgba(26, 58, 108, 0.3);
            position: relative;
            overflow: hidden;
        }

        .ups-global-banner:before {
            content: "";
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
            transform: rotate(30deg);
        }

        .ups-global-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .ups-global-title {
            font-size: 32px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }

        .ups-global-icon {
            font-size: 36px;
        }

        .ups-global-text {
            font-size: 18px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .ups-global-features {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 25px;
        }

        .ups-global-feature {
            background: rgba(255,255,255,0.15);
            border-radius: 8px;
            padding: 15px 25px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            backdrop-filter: blur(5px);
        }

        /* 解决方案介绍 */
        .ups-solution-intro {
            background: var(--white);
            border-radius: 12px;
            padding: 50px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.08);
            margin-bottom: 50px;
            border: var(--border);
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .ups-intro-image {
            flex: 0 0 45%;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }

        .ups-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }

        .ups-intro-image:hover img {
            transform: scale(1.05);
        }

        .ups-intro-content {
            flex: 1;
        }

        .ups-section-title {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: var(--border);
        }

        .ups-intro-text {
            font-size: 18px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 30px;
        }

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

        .ups-advantage {
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }

        .ups-advantage-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-advantage-content h3 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        /* 核心解决方案 - 标题居中 */
        .ups-solution-categories {
            margin-bottom: 60px;
            text-align: center;
        }

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

        .ups-category-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            border: var(--border);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .ups-category-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }

        .ups-category-image {
            height: 250px;
            overflow: hidden;
        }

        .ups-category-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .ups-category-content {
            padding: 30px;
            flex-grow: 1;
        }

        .ups-category-title {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .ups-category-description {
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .ups-category-features {
            list-style: none;
            margin-bottom: 25px;
        }

        .极s-category-features li {
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
        }

        .ups-category-features li:before {
            content: "✓";
            color: var(--accent);
            font-weight: bold;
            margin-right: 10px;
        }

        .ups-category-link {
            display: inline-block;
            color: var(--accent);
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            margin-top: auto;
        }

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

        /* 咨询表单 */
        .ups-contact-section {
            background: var(--primary);
            border-radius: 12px;
            padding: 60px;
            margin-bottom: 60px;
            position: relative;
            overflow: hidden;
        }

        .ups-contact-section:before {
            content: "";
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
            transform: rotate(30deg);
        }

        .ups-contact-container {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 50px;
            align-items: center;
        }

        .ups-contact-content {
            flex: 1;
            color: white;
        }

        .ups-contact-title {
            font-size: 36px;
            margin-bottom: 20px;
            color: white;
        }

        .ups-contact-text {
            font-size: 18px;
            line-height: 1.8;
            margin-bottom: 30px;
            opacity: 0.9;
        }

        .ups-contact-info {
            list-style: none;
            margin-bottom: 30px;
        }

        .ups-contact-info li {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
            font-size: 18px;
        }

        .ups-contact-info li i {
            font-size: 24px;
            color: var(--accent);
        }

        .ups-contact-form {
            flex: 0 0 45%;
            background: var(--white);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .ups-form-title {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 25px;
            text-align: center;
        }

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

        .ups-form-group {
            margin-bottom: 15px;
        }

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

        .ups-form-label {
            display: block;
            margin-bottom: 8px;
            color: var(--text-light);
            font-weight: 500;
        }

        .ups-form-input {
            width: 100%;
            padding: 12px 15px;
            border: var(--border);
            border-radius: 8px;
            font-size: 16px;
            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 */
        .ups-captcha-container {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ups-captcha-input {
            flex: 1;
            max-width: 150px;
        }

        .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;
            width: 100%;
            margin-top: 20px;
        }

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

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .ups-categories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
            .ups-solution-intro {
                flex-direction: column;
            }
            
            .ups-intro-image {
                width: 100%;
            }
            
            .ups-contact-container {
                flex-direction: column;
            }
            
            .ups-contact-form {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .ups-solution-container {
                padding: 0 15px;
            }
            
            .ups-page-header {
                padding: 30px 0 20px;
            }
            
            .ups-page-title {
                font-size: 32px;
            }
            
            .ups-page-subtitle {
                font-size: 18px;
            }
            
            .ups-solution-intro {
                padding: 30px;
            }
            
            .ups-categories-grid {
                grid-template-columns: 1fr;
            }
            
            .ups-advantages {
                grid-template-columns: 1fr;
            }
            
            .ups-contact-section {
                padding: 40px 20px;
            }
            
            .ups-form-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            .ups-page-title {
                font-size: 28px;
            }
            
            .ups-section-title {
                font-size: 24px;
            }
            
            .ups-intro-text {
                font-size: 16px;
            }
            
            .ups-contact-form {
                padding: 25px;
            }
            
            .ups-global-title {
                font-size: 26px;
                flex-direction: column;
            }
        }