/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', 'Segoe UI', Arial, sans-serif;
        }
        
        :root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-gray: #f5f7fa;
            --dark-gray: #555656;/* #7f8c8d */
            --border-color: #e1e8ed;
            --success-color: #2ecc71;
			--bghover:#e8f4fc;
			--bghover1:#b9dbf9;
			--bghover2:#86c4f0;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            color: #333;
            line-height: 1.6;
            background-color: #f9f9f9;
            font-size: 14px;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
		/* ========== 自定义图标样式 ========== */
		.icon {
		    display: inline-block;
		    font-style: normal;
		    font-weight: normal;
		    line-height: 1;
		    vertical-align: middle;
		    margin-right: 5px;
		}
		.icon-phone::before { content: "📞"; }
		.icon-email::before { content: "✉️"; }
		.icon-map::before { content: "📍"; }
		.icon-clock::before { content: "🕒"; }
		.icon-search::before { content: "🔍"; }
		.icon-chevron-left::before { content: "◀"; }
		.icon-chevron-right::before { content: "▶"; }
		.icon-chart::before { content: "📈"; }
		.icon-news::before { content: "📰"; }
		.icon-factory::before { content: "🏭"; }
		.icon-question::before { content: "❓"; }
		.icon-link::before { content: "🔗"; }
		.icon-info::before { content: "ℹ️"; }
		.icon-product::before { content: "📦"; }
		.icon-eps::before { content: "🧱"; }
		.icon-grc::before { content: "🏛️"; } 

        /* 头部样式 */
      
        /* 轮播图与新闻行情区域 */
        .hero-section {
            display: flex;
            margin: 30px 0;
            gap: 30px;
            flex-wrap: wrap;
        }
        
        .carousel-container {
            flex: 3;
            min-width: 300px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }
        
        .carousel {
            position: relative;
            height: 400px;
            overflow: hidden;
        }
        
        .carousel-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
        }
        
        .carousel-slide.active {
            opacity: 1;
        }
        
        .slide-content {
            background: linear-gradient(transparent, rgba(0,0,0,0.7));
            color: white;
            padding: 30px;
            width: 100%;
        }
        
        .slide-content h3 {
            font-size: 24px;
            margin-bottom: 10px;
        }
        
        .carousel-controls {
            position: absolute;
            bottom: 20px;
            right: 20px;
            display: flex;
            gap: 10px;
        }
        
        .carousel-control {
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.3s;
        }
        
        .carousel-control:hover {
            background-color: rgba(255, 255, 255, 0.4);
        }
        
        .news-container {
            flex: 2;
            min-width: 300px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            padding: 20px;
        }
        
        .news-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 15px;
            margin-bottom: 15px;
            border-bottom: 2px solid var(--secondary-color);
        }
        
        .news-header h3 {
            font-size: 22px;
            color: var(--primary-color);
        }
        
        .news-list {
            height: 340px;
            overflow: hidden;
            position: relative;
        }
        
        .news-scroll {
            position: absolute;
            width: 100%;
            animation: scrollNews 40s linear infinite;
        }
        
        /* 添加暂停动画的类 */
        .news-scroll.paused {
            animation-play-state: paused;
        }
        
        @keyframes scrollNews {
            0% { top: 0; }
            100% { top: -1000px; }
        }
        
        .news-item {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            justify-content: space-between;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        
        .news-item:hover {
            background-color: rgba(52, 152, 219, 0.05);
        }
        
        .news-item:last-child {
            border-bottom: none;
        }
        
        .news-title {
            color: #333;
            text-decoration: none;
            font-weight: 500;
            flex: 1;
        }
        
        .news-title:hover {
            color: var(--secondary-color);
        }
        
        .news-date {
            color: var(--dark-gray);
            font-size: 14px;
            min-width: 80px;
            text-align: right;
        }
        /* ========== 新增：产品系列展示区域样式 ========== */
        .products-section {
            margin: 50px 0 40px 0;
        }
        
        .product-category {
            margin-bottom: 50px;
        }
        
        .product-category:last-child {
            margin-bottom: 0;
        }
        
        .product-category h3 {
            font-size: 26px;
            color: var(--primary-color);
            text-align: center;
            margin-bottom: 10px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .product-category h3:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .product-category p {
            text-align: center;
            color: var(--dark-gray);
            margin-bottom: 30px;
            font-size: 16px;
        }
        
        .products-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }
        
        .product-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            height: 320px;
            cursor: pointer;
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .product-img {
            height: 200px;
            overflow: hidden;
            background-color: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-gray);
            font-size: 18px;
            position: relative;
        }
        
        .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        
        .product-card:hover .product-img img {
            transform: scale(1.1);
        }
        
        .product-name {
            padding: 20px;
            text-align: center;
            font-size: 18px;
            font-weight: 600;
            color: var(--primary-color);
            border-top: 1px solid var(--border-color);
            background-color: white;
            transition: all 0.3s;
        }
        
        .product-card:hover .product-name {
            background-color: var(--light-gray);
        }
        
        /* 鼠标悬停时显示的详情层 */
        .product-details {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to bottom, var(--bghover2), var(--bghover1));
            color: white;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
            transform: translateY(10px);
        }
        
        .product-card:hover .product-details {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .product-details h4 {
            font-size: 22px;
            margin-bottom: 15px;
            color: white;
            text-align: center;
            position: relative;
            padding-bottom: 10px;
        }
        
        .product-details h4:after {
            content: '';
            position: absolute;
            width: 50px;
            height: 2px;
            background-color: white;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .product-details p {
            font-size: 14.5px;
            line-height: 1.7;
            text-align: justify;
            max-height: 140px;
            overflow-y: auto;
            padding-right: 5px;
        }
        
        /* 自定义滚动条 */
        .product-details p::-webkit-scrollbar {
            width: 4px;
        }
        
        .product-details p::-webkit-scrollbar-thumb {
            background-color: rgba(255, 255, 255, 0.5);
            border-radius: 4px;
        }
        

        /* 知名材料厂家区域 */
        .manufacturers-section {
            margin: 40px 0;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .section-header h2 {
            font-size: 28px;
            color: var(--primary-color);
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }
        
        .section-header h2:after {
            content: '';
            position: absolute;
            width: 70px;
            height: 3px;
            background-color: var(--secondary-color);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .manufacturers-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 25px;
        }
        
        .manufacturer-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
        }
        
        .manufacturer-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .manufacturer-img {
            height: 180px;
            overflow: hidden;
            background-color: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark-gray);
        }
        
        .manufacturer-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .manufacturer-card:hover .manufacturer-img img {
            transform: scale(1.05);
        }
        
        .manufacturer-info {
            padding: 20px;
        }
        
        .manufacturer-info h4 {
            font-size: 18px;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .manufacturer-info p {
            color: var(--dark-gray);
            font-size: 14px;
        }
        
        .manufacturer-contact {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color:var(--bghover2);
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: left;
            padding: 20px;
            opacity: 0;
            transition: opacity 0.3s;
            pointer-events: none;
        }

        .manufacturer-card:hover .manufacturer-contact {
            opacity: 1;
            pointer-events: auto;
        }

        .manufacturer-contact h4 {
            color: white;
            margin-bottom: 15px;
            font-size: 20px;
			
        }
        
        .contact-detail {
            margin: 8px 0;
            display: flex;
            align-items: center;
        }
        
        .contact-detail i {
            margin-right: 10px;
            color: var(--secondary-color);
            width: 20px;
        }
        
        /* 行业资讯栏目 */
        .industry-news-section {
            margin: 40px 0;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            padding: 30px;
        }
        
        .industry-news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 25px;
            margin-top: 25px;
        }
        
        .industry-news-item {
            border-left: 4px solid var(--secondary-color);
            padding: 15px;
            background-color: var(--light-gray);
            transition: transform 0.3s;
        }
        
        .industry-news-item:hover {
            transform: translateX(5px);
            background-color: var(--bghover);
        }
        
        .industry-news-item h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
            font-size: 18px;
        }
        
        .industry-news-meta {
            display: flex;
            justify-content: space-between;
            color: var(--dark-gray);
            font-size: 13px;
            margin-top: 10px;
        }
        
        /* 行业问答区域 */
        .qa-section {
            margin: 40px 0;
        }
        
        .qa-list {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .qa-item {
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
            transition: background-color 0.2s;
        }
        
        .qa-item:hover {
            background-color: var(--bghover);
        }
        
        .qa-item:last-child {
            border-bottom: none;
        }
        
        .question-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            align-items: center;
        }
        
        .question-title {
            font-size: 18px;
            color: var(--primary-color);
            font-weight: 600;
        }
        
        .question-date {
            color: var(--dark-gray);
            font-size: 14px;
        }
        
        .question-content {
            margin-bottom: 15px;
            line-height: 1.7;
        }
        
        .answer-section {
            background-color: var(--light-gray);
            padding: 15px;
            border-radius: 6px;
            border-left: 4px solid var(--secondary-color);
        }
        
        .answer-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 14px;
        }
        
        .answer-account {
            color: var(--secondary-color);
            font-weight: 600;
        }
        
        .answer-date {
            color: var(--dark-gray);
        }
        
        /* 友情链接区域 */
        .friendship-links {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            margin: 40px 0;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .friendship-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 20px;
            margin-top: 25px;
        }
        
        .friend-link {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 12px;
            background-color: var(--light-gray);
            border-radius: 4px;
            text-decoration: none;
            color: var(--primary-color);
            transition: all 0.3s;
            border: 1px solid transparent;
        }
        
        .friend-link:hover {
            background-color: white;
            border-color: var(--secondary-color);
            color: var(--secondary-color);
            transform: translateY(-3px);
        }
        
        /* 页脚样式 */
      
        
        /* 响应式设计 */
        @media (max-width: 992px) {
			
            .hero-section {
                flex-direction: column;
            }
            
            .nav-links {
                flex-wrap: wrap;
            }
            
            .nav-links a {
                padding: 15px 20px;
            }
            
            .industry-news-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 768px) {
			.nav-links li{flex-basis: calc(100% / 3 - 10px); /* 每行显示3个，减去边距10px */}
            .logo-area {
                flex-direction: column;
                text-align: center;
            }
            
            .logo {
                margin-bottom: 15px;
            }
            
            .nav-container {
                flex-direction: column;
            }
            
            .search-box {
                justify-content: center;
                padding: 15px 0;
            }
            
            .search-box input {
                width: 70%;
            }
            
            .carousel {
                height: 300px;
            }
            
            .footer-content {
                flex-direction: column;
            }
            
            .footer-column {
                padding-right: 0;
            }
        }
        
        @media (max-width: 576px) {
            .manufacturers-grid {
                grid-template-columns: 1fr;
            }
            
            .friendship-links-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .news-item {
                flex-direction: column;
            }
            
            .news-date {
                text-align: left;
                margin-top: 5px;
            }
            
            .question-header {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .question-date {
                margin-top: 5px;
            }
        }