/* 重置与基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-color: #0099D8;    /* 西门子蓝 */
            --primary-dark: #0070A3;     /* 深蓝 */
            --secondary-color: #333333;  /* 深灰 */
            --light-gray: #F5F7FA;       /* 浅灰背景 */
            --text-color: #333333;       /* 正文颜色 */
            --text-light: #666666;       /* 浅色文字 */
            --white: #FFFFFF;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
            color: var(--text-color);
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 按钮样式 */
        .btn {
            display: inline-block;
            padding: 12px 32px;
            border-radius: var(--border-radius);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
            font-size: 16px;
        }

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

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 153, 216, 0.3);
        }

        .btn-secondary {
            background-color: var(--white);
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
        }

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

        .btn-outline {
            background-color: transparent;
            color: var(--primary-color);
            border: 2px solid var(--primary-color);
        }

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

        /* 顶部导航 */
        .main-header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
        }

        .logo-brand {
            display: flex;
            align-items: baseline;
        }

        .siemens {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary-color);
            margin-right: 4px;
        }

        .eda {
            font-size: 18px;
            font-weight: 600;
            color: var(--secondary-color);
        }

        .partner {
            font-size: 12px;
            color: var(--text-light);
            margin-left: 12px;
            padding: 2px 8px;
            background-color: var(--light-gray);
            border-radius: 4px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            align-items: center;
			font-size:0.8rem
        }

        .nav-menu li {
            margin-left: 38px;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--primary-color);
        }

        .nav-menu a.active {
            color: var(--primary-color);
        }

        .contact-btn {
            padding: 8px 20px;
            background-color: var(--primary-color);
            color: var(--white) !important;
            border-radius: var(--border-radius);
        }

        .contact-btn:hover {
            background-color: var(--primary-dark);
        }

        /* 下拉菜单 */
        .dropdown {
            position: relative;
        }

        .dropdown-menu {
            position: absolute;
            top: 150%;
            left: 0;
            background-color: var(--white);
            min-width: 200px;
            box-shadow: var(--shadow);
            border-radius: var(--border-radius);
            padding: 10px 0;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            z-index: 100;
        }

        .dropdown:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .dropdown-menu li {
            margin: 0;
			list-style:none;
        }

        .dropdown-menu a {
            display: block;
            padding: 10px 20px;
            color: var(--text-color);
        }

        .dropdown-menu a:hover {
            background-color: var(--light-gray);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-color);
            cursor: pointer;
        }

        /* 主视觉横幅 */
        .hero {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            padding: 80px 0;
            overflow: hidden;
        }

        .hero .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .hero-content {
            flex: 1;
            max-width: 600px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 700;
            color: var(--secondary-color);
            margin-bottom: 10px;
            line-height: 1.2;
        }

        .hero-subtitle {
            font-size: 32px;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

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

        .hero-buttons {
            display: flex;
            gap: 20px;
        }

        .hero-image {
            flex: 1;
            position: relative;
            min-height: 400px;
        }

        .circuit-animation {
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, transparent 49%, var(--primary-color) 50%, transparent 51%),
                        linear-gradient(-45deg, transparent 49%, var(--primary-color) 50%, transparent 51%);
            background-size: 40px 40px;
            animation: circuitMove 20s linear infinite;
        }

        @keyframes circuitMove {
            0% { background-position: 0 0; }
            100% { background-position: 40px 40px; }
        }

        /* 简介部分 */
        .intro-section {
            padding: 60px 0;
        }

        .intro-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
            text-align: center;
        }

        .intro-card h2 {
            font-size: 32px;
            margin-bottom: 20px;
            color: var(--secondary-color);
        }

        .intro-card p {
            font-size: 16px;
            color: var(--text-light);
            max-width: 800px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }

        .intro-stats {
            display: flex;
            justify-content: center;
            gap: 60px;
            margin-top: 40px;
        }

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

        .stat-number {
            display: block;
            font-size: 36px;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 16px;
            color: var(--text-light);
        }

        /* 解决方案部分 */
        .solutions-section {
            padding: 80px 0;
            background-color: var(--light-gray);
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 36px;
            color: var(--secondary-color);
            margin-bottom: 10px;
        }

        .section-header p {
            font-size: 18px;
            color: var(--text-light);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
            gap: 20px;
        }

        .solution-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .solution-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(0, 153, 216, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
        }

        .solution-icon i {
            font-size: 24px;
            color: var(--primary-color);
        }

        .solution-card h3 {
            font-size: 19px;
            margin-bottom: 15px;
            color: var(--secondary-color);
        }

        .solution-card p {
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.6;
			font-size: 14px;
			text-align: justify;
        }

        .solution-features {
            list-style: none;
            margin-bottom: 25px;
			font-size: 14px;
        }

        .solution-features li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 10px;
            color: var(--text-color);
            line-height: 1.5;
        }

        .solution-features li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
        }

        .solution-link {
            display: inline-flex;
            align-items: center;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }

        .solution-link i {
            margin-left: 8px;
            transition: transform 0.3s ease;
        }

        .solution-link:hover i {
            transform: translateX(5px);
        }

        /* 产品工具部分 */
        .products-section {
            padding: 80px 0;
        }

        .products-filter {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 8px 20px;
            background-color: transparent;
            border: 2px solid var(--light-gray);
            border-radius: 30px;
            color: var(--text-color);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }

        .filter-btn:hover,
        .filter-btn.active {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: var(--white);
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .product-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 4px solid var(--primary-color);
        }

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

        .product-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--secondary-color);
        }

        .product-card p {
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.6;
            font-size: 14px;
			text-align: justify;
        }

        .product-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }

        .product-tag {
            background-color: rgba(0, 153, 216, 0.1);
            color: var(--primary-color);
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 500;
        }

        .product-link {
            display: inline-block;
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            font-size: 14px;
        }

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

        /* 服务优势部分 */
        .advantages-section {
            padding: 80px 0;
            background-color: var(--light-gray);
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .advantage-item {
            text-align: center;
            padding: 30px;
            background-color: var(--white);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }

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

        .advantage-icon {
            width: 70px;
            height: 70px;
            background-color: rgba(0, 153, 216, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        .advantage-icon i {
            font-size: 28px;
            color: var(--primary-color);
        }

        .advantage-item h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--secondary-color);
        }

        .advantage-item p {
            color: var(--text-light);
            line-height: 1.6;
			text-align: justify;
			font-size: 14px;
        }

        /* 联系部分 */
        .contact-section {
            padding: 80px 0;
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            background-color: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .contact-info {
            padding: 50px;
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            color: var(--white);
        }

        .contact-info h2 {
            font-size: 32px;
            margin-bottom: 20px;
        }

        .contact-info p {
            margin-bottom: 30px;
            opacity: 0.9;
            line-height: 1.8;
        }

        .contact-details {
            list-style: none;
        }

        .contact-details li {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
        }

        .contact-details i {
            font-size: 24px;
            margin-right: 15px;
            opacity: 0.9;
        }

        .contact-details strong {
            display: block;
            margin-bottom: 5px;
        }

        .contact-form {
            padding: 50px;
        }

        .contact-form h3 {
            font-size: 24px;
            margin-bottom: 30px;
            color: var(--secondary-color);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 14px;
            transition: var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(0, 153, 216, 0.1);
        }

        /* 底部 */
        .main-footer {
            background-color: var(--secondary-color);
            color: var(--white);
            padding: 60px 0 20px;
			font-size:14px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            margin-bottom: 20px;
        }

        .footer-logo .logo-brand {
            margin-bottom: 5px;
        }

        .footer-logo .partner {
            background-color: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 18px;
            margin-bottom: 20px;
            color: var(--white);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary-color);
        }

        .footer-contact {
            list-style: none;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-contact i {
            margin-right: 10px;
            width: 20px;
            color: var(--primary-color);
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            text-decoration: none;
            transition: var(--transition);
        }

        .social-links a:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            margin: 0 10px;
        }

        .footer-bottom a:hover {
            color: var(--primary-color);
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .hero .container {
                flex-direction: column;
                text-align: center;
            }
            
            .hero-content {
                max-width: 100%;
                margin-bottom: 50px;
            }
            
            .hero-buttons {
                justify-content: center;
            }
            
            .contact-wrapper {
                grid-template-columns: 1fr;
            }
            
            .intro-stats {
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 36px;
            }
            
            .hero-subtitle {
                font-size: 24px;
            }
            
            .section-header h2 {
                font-size: 28px;
            }
            
            .nav-menu {
                position: fixed;
                top: 77px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--white);
                flex-direction: column;
                align-items: center;
                padding-top: 40px;
                transition: var(--transition);
                z-index: 999;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 15px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .solutions-grid,
            .advantages-grid,
            .products-grid {
                grid-template-columns: 1fr;
            }
            
            .intro-stats {
                flex-direction: column;
                gap: 30px;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .hero-buttons .btn {
                width: 100%;
                max-width: 300px;
                margin-bottom: 15px;
            }
        }

        @media (max-width: 480px) {
            .hero {
                padding: 50px 0;
            }
            
            .hero-title {
                font-size: 28px;
            }
            
            .hero-subtitle {
                font-size: 20px;
            }
            
            .hero-text {
                font-size: 16px;
            }
            
            .intro-card,
            .solution-card,
            .product-card,
            .advantage-item {
                padding: 25px;
            }
            
            .contact-info,
            .contact-form {
                padding: 30px;
            }
            
            .footer-bottom {
                flex-direction: column;
                gap: 10px;
            }
            
            .footer-bottom p {
                margin-bottom: 10px;
            }
        }
		/* ===== 解决方案页面专用样式 ===== */

/* 页面标题区域 */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 80px 0 60px;
    text-align: center;
}

.page-header-content h1 {
    font-size: 42px;
    margin-bottom: 15px;
    font-weight: 700;
}

.page-header-content p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 30px;
    line-height: 1.6;
}

.breadcrumb {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition);
}

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

.breadcrumb span {
    color: var(--white);
    font-weight: 500;
}

/* 解决方案概述 */
.solution-overview {
    padding: 80px 0;
    background-color: var(--white);
}

.solution-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.solution-intro-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.solution-intro-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
	font-size:14px;
}

.solution-intro-image {
    text-align: center;
}

.solution-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(0, 153, 216, 0.1) 0%, rgba(0, 112, 163, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.solution-placeholder i {
    font-size: 100px;
    color: var(--primary-color);
    opacity: 0.7;
}

/* 关键功能 */
.key-features {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(0, 153, 216, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
	font-size:14px;
	margin-top: 20px;
	text-align: justify;
}

/* 设计流程 */
.design-process {
    padding: 80px 0;
    background-color: var(--white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    position: relative;
}

.process-steps:before {
    content: '';
    position: absolute;
    top: 40px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
    opacity: 0.2;
    z-index: 1;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 2;
    background-color: var(--white);
    padding: 20px;
}

.step-number {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 20px;
    border: 5px solid var(--white);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.process-step h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.process-step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 相关产品 */
.related-products {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

/* 应用领域/案例 */
.application-areas,
.application-cases {
    padding: 80px 0;
    background-color: var(--white);
}

.applications-list,
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.application-item,
.case-item {
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 25px;
    border-left: 4px solid var(--primary-color);
}

.application-item h3,
.case-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.application-item p,
.case-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 设计能力 */
.design-capabilities {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.capabilities-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.capability-item {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.capability-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.capability-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 14px;
}

/* 行业应用 */
.industry-applications {
    padding: 80px 0;
    background-color: var(--white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.industry-item {
    text-align: center;
    padding: 30px;
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.industry-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(0, 153, 216, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.industry-icon i {
    font-size: 28px;
    color: var(--primary-color);
}

.industry-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.industry-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* 技术咨询 */
.tech-consultation {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.consultation-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.consultation-content h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.consultation-content p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.8;
}

.consultation-features {
    list-style: none;
}

.consultation-features li {
    margin-bottom: 10px;
    color: var(--text-color);
    display: flex;
    align-items: center;
}

.consultation-features i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 14px;
}

.consultation-form {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.consultation-form h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--secondary-color);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .solution-intro {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .consultation-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .process-steps:before {
        display: none;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 60px 0 40px;
    }
    
    .page-header-content h1 {
        font-size: 32px;
    }
    
    .page-header-content p {
        font-size: 16px;
    }
    
    .solution-intro-text h2 {
        font-size: 28px;
    }
    
    .solution-placeholder {
        width: 200px;
        height: 200px;
    }
    
    .solution-placeholder i {
        font-size: 70px;
    }
    
    .feature-item,
    .application-item,
    .case-item,
    .industry-item {
        padding: 20px;
    }
    
    .consultation-form {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .page-header-content h1 {
        font-size: 26px;
    }
    
    .features-grid,
    .process-steps,
    .applications-list,
    .cases-grid,
    .industries-grid {
        grid-template-columns: 1fr;
    }
    
    .step-number {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
}