@charset "utf-8";
 /* 内页主图 */

        /* 重置样式 */
        .inbanner-container, .inbanner-container * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        /* 主容器样式 */
        .inbanner-container {
            position: relative;
            width: 100%;
            height: 350px;
        }
        
        /* 背景图片样式 */
        .inbanner-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            /* 替换为你的图片URL */
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            filter: brightness(0.7); /* 暗化背景 */
        }
        
        /* 内容容器 */
        .inbanner-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 90%;
            max-width: 1200px;
            text-align: center;
            color: white;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        /* 第一行文字 */
        .inbanner-headline {
            font-size: 3rem;
            font-weight: bold;
            line-height: 1.2;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
        }
        
        /* 第二行文字 */
        .inbanner-subhead {
            font-size: 1.2rem; /* 第一行的一半 */
            line-height: 1.4;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
        }
        
        /* 链接样式 */
        .inbanner-link {
            color: white;
            text-decoration: none;
            border-bottom: 2px solid rgba(255, 255, 255, 0.5);
            transition: border-color 0.3s ease;
        }
        
        .inbanner-link:hover {
            border-bottom-color: white;
        }
        
        /* 平板设备响应式调整 */
        @media (max-width: 1024px) {
            .inbanner-headline {
                font-size: 2.5rem;
            }
            
            .inbanner-subhead {
                font-size: 1.25rem;
            }
        }
        
        /* 移动设备响应式调整 - 改为上下排列 */
        @media (max-width: 768px) {
            .inbanner-content {
                flex-direction: column;
                gap: 15px;
            }
			

            
            .inbanner-headline {
                font-size: 2rem;
            }
            
            .inbanner-subhead {
                font-size: 1rem;
            }
        }
        
        /* 小屏幕手机调整 */
        @media (max-width: 480px) {
			
			.inbanner-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            /* 替换为你的图片URL */
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            filter: brightness(0.7); /* 暗化背景 */
        }
		
		
		    .inbanner-content {
            position: absolute;
            top: 40%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 90%;
            max-width: 1200px;
            text-align: center;
            color: white;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
            .inbanner-headline {
                font-size: 1.5rem;
            }
            
            .inbanner-subhead {
                font-size: 0.875rem;
            }
        }
		
/*   ============================菜单下面 居中导航========================== */		
.nav_center {
	overflow: hidden;
	padding-top: 1%;
	text-align: center;
	margin-bottom: 2%;
}
.nav_center a {
	display: inline-block;
	height: 45px;
	line-height: 45px;
	background-color: #f3f3f3;
	width: 180px;
	font-size: 14px;
	color: #444444;
	margin-left: 0.5%;
	margin-right: 0.5%;
	margin-bottom: 2%;
	transition: all 0.3s;
}
.nav_center a.on{background-color: #0066cc;
	color: #fff;
	filter: Alpha(Opacity=100);
	opacity: 1;}
.nav_center a:hover {
	background-color: #;
	color: #fff;
	filter: Alpha(Opacity=100);
	opacity: 1;
}
.nav_center a.csel {
	background-color: #;
}
/* -------------------------内页标题通用--------------------------------------- */  
.title_c strong {
  font-size: 36px;
  color: #333;
  display: block;
  font-weight: 700;
  text-align: center;
}
.title_c i {
  width: 50px;
  height: 2px;
  background: #015bac;
  display: block;
  margin: 12px auto;
  transition: 1s;
}
.title_c span {
  font-size: 16px;
  color: #b3b3b3;
  display: block;
  text-align: center;
}
.title_c:hover i {width: 68px;transition: 1s;}
        @media (max-width: 768px) {
.title_c strong {

  padding-top:30px;
  color: #333;
  display: block;
  font-weight: normal;
  text-align: center;
}
        }
/* ————————————————————————————内页关于我们—————————————————————————— */  

        /* 基础样式 */
        .about-container {
            margin: 0 auto;
            padding: 40px 20px;

        }

        /* 第一行样式 - 短蓝色横线+小标题（强制同行） */
        .about-header-line {
            display: flex;
            align-items: center; /* 垂直居中 */
            margin-bottom: 15px;
            white-space: nowrap; /* 防止换行 */
        }

        .about-line {
            flex-shrink: 0; /* 禁止缩短 */
            width: 50px;
            height: 2px;
            background-color: #015bac;
            margin-right: 15px;
        }

        .about-subtitle {
            flex-shrink: 0; /* 禁止缩短 */
            color: #3498db;
            font-size: 16px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* 第二行样式 - 大标题 */
        .about-title {
            font-size: 36px;
            font-weight: 700;
            color: #333333;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        /* 第三行样式 - 描述 */
        .about-description {
            font-size: 16px;
            color: #7f8c8d;
            line-height: 1.6;
            
        }

        /* 平板端样式 (768px-1024px) */
        @media (max-width: 1024px) {
            .about-title {
                font-size: 40px;
            }
            .about-description {
                font-size: 17px;
            }
        }

        /* 移动端样式 (<768px) */
        @media (max-width: 768px) {
            /* 保持横线和小标题同行（不改为垂直布局） */
            .about-line {
                width: 40px; /* 横线稍短 */
                margin-right: 12px;
            }
            .about-subtitle {
                font-size: 15px;
            }
            .about-title {
                font-size: 32px;
            }
            .about-description {
                font-size: 16px;
            }
        }

        /* 小移动端样式 (<480px) */
        @media (max-width: 480px) {
            .about-line {
                width: 30px; /* 横线更短 */
                margin-right: 10px;
            }
            .about-subtitle {
                font-size: 14px;
                letter-spacing: 0.5px;
            }
            .about-title {
                font-size: 28px;
            }
            .about-description {
                font-size: 15px;
            }
        }

/* ————————————————————————————内页关于我们优势—————————————————————————— */  

        .index_about_base_container {
            padding: 120px 0px;
            color: white;
        }

        .index_about_base_grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
         
            margin: 0 auto;
            gap: 30px;
        }

        .index_about_base_item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .index_about_base_icon {
            font-size: 45px;
            margin-bottom: 20px;
			color: #ff0000;
        }

        .index_about_base_number {
            font-size: 48px;
            font-weight: bold;
            line-height: 1;
            margin: 10px 0;
            position: relative;
        }

        .index_about_base_unit {
            font-size: 18px;
			font-weight: 500;
            position: relative;
            top: -0.5em;
            margin-left: 2px;
        }

        .index_about_base_title {
            font-size: 18px;
            margin-top: 10px;
        }

        @media (max-width: 768px) {
            .index_about_base_grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .index_about_base_number {
                font-size: 36px;
            }
            .index_about_base_icon {
                font-size: 32px;
            }
        }

/* ————————————————————————————内页关于我们生产实景—————————————————————————— */  

        .piclist_container {
      
            margin: 0 auto;
            padding: 20px 0;
        }
        
        
        /* 网格布局 */
        .piclist_grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        
        /* 项目样式 */
        .piclist_item {
            position: relative;
            overflow: hidden;
            border-radius: 0px;
            box-shadow-: 0 10px 30px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            background: white;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .piclist_item:hover {
            transform: translateY(-1px);
            box-shadow-: 0 15px 40px rgba(0, 0, 0, 0.4);
        }
        
        /* 图片容器 */
        .piclist_image_container {
            position: relative;
            overflow: hidden;
            padding-top: 75%; /* 5:4 比例 */
            cursor: zoom-in;
        }
        
        .piclist_image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }
        
        /* 图片悬停效果 */
        .piclist_image_container:hover .piclist_image {
            transform: scale(1.01);
            filter: brightness(0.8);
        }
        

        
        /* 悬浮层 */
        .piclist_overlay {
            position: absolute;
            bottom: 15px;
            left: 50%;
            transform: translateX(-50%);
            width: 90%;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 0px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 15px;
            z-index: 1;
            transition: all 0.3s ease;
        }
        
        
        /* 标题样式 */
        .piclist_caption {
            padding: 15px 0;
            background-: #f5f5f5;
            text-align: center;
            transition: all 0.3s ease;
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .piclist_caption a {
            color: #333;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: color 0.3s ease;
        }
        
        .piclist_item:hover .piclist_caption a {
            color: #0066cc;
        }
        
        /* 模态框样式 */
        .piclist_modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .piclist_modal_active {
            display: flex;
            opacity: 1;
        }
        
        .piclist_modal_content {
            position: relative;
            max-width: 90%;
            max-height: 90%;
            animation: zoomIn 0.4s ease;
        }
        
        .piclist_modal_image {
            max-width: 100%;
            max-height: 80vh;
            display: block;
            margin: 0 auto;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.8);
            border-radius: 5px;
        }
        
        .piclist_modal_close {
            position: absolute;
            top: 20px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: #0066cc;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0.8;
            animation: fadeIn 0.5s ease;
        }
        
        .piclist_modal_close:hover {
            opacity: 1;
            transform: rotate(90deg) scale(1.1);
            background: #333333;
        }
        
        /* 动画 */
        @keyframes zoomIn {
            from {
                transform: scale(0.7);
                opacity: 0;
            }
            to {
                transform: scale(1);
                opacity: 1;
            }
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 0.8;
                transform: translateY(0);
            }
        }
        
        /* 响应式布局 */
        @media (max-width: 1024px) {
            .piclist_grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }
        
        @media (max-width: 768px) {
            .piclist_grid {
                grid-template-columns: repeat(2, 1fr);
            }

        }
        
        @media (max-width: 480px) {
            .piclist_grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
            

        }

/* ————————————————————————————内页关于我们下面4个小图标—————————————————————————— */  


/* ————————————————————————————内页证书—————————————————————————— */  

        .honnorlist_container {
      
            margin: 0 auto;
            padding: 20px 0;
        }
        
        
        /* 网格布局 */
        .honnorlist_grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        
        /* 项目样式 */
        .honnorlist_item {
            position: relative;
            overflow: hidden;
            border-radius: 0px;
            box-shadow-: 0 10px 30px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            background: white;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .honnorlist_item:hover {
            transform: translateY(-1px);
            box-shadow-: 0 15px 40px rgba(0, 0, 0, 0.4);
        }
        
        /* 图片容器 */
        .honnorlist_image_container {
            position: relative;
            overflow: hidden;
			
            padding-top: 130%; /* 5:4 比例 */
            cursor: zoom-in;
        }
        
        .honnorlist_image {
            position: absolute;
			border:#900 5px solid;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit--: cover;
            transition: all 0.5s ease;
        }
        
        /* 图片悬停效果 */
        .honnorlist_image_container:hover .honnorlist_image {
            transform: scale(1.01);
            filter: brightness(0.8);
        }
        

        
        /* 悬浮层 */
        .honnorlist_overlay {
            position: absolute;
            bottom: 15px;
            left: 50%;
            transform: translateX(-50%);
            width: 90%;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 0px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 15px;
            z-index: 1;
            transition: all 0.3s ease;
        }
        
        
        /* 标题样式 */
        .honnorlist_caption {
            padding: 15px 0;
            background-: #f5f5f5;
            text-align: center;
            transition: all 0.3s ease;
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .honnorlist_caption a {
            color: #333;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: color 0.3s ease;
        }
        
        .honnorlist_item:hover .honnorlist_caption a {
            color: #0066cc;
        }
        
        /* 模态框样式 */
        .honnorlist_modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .honnorlist_modal_active {
            display: flex;
            opacity: 1;
        }
        
        .honnorlist_modal_content {
            position: relative;
            max-width: 90%;
            max-height: 90%;
            animation: zoomIn 0.4s ease;
        }
        
        .honnorlist_modal_image {
            max-width: 100%;
            max-height: 80vh;
            display: block;
            margin: 0 auto;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.8);
            border-radius: 5px;
        }
        
        .honnorlist_modal_close {
            position: absolute;
            top: 20px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: #0066cc;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0.8;
            animation: fadeIn 0.5s ease;
        }
        
        .honnorlist_modal_close:hover {
            opacity: 1;
            transform: rotate(90deg) scale(1.1);
            background: #333333;
        }
        
        /* 动画 */
        @keyframes zoomIn {
            from {
                transform: scale(0.7);
                opacity: 0;
            }
            to {
                transform: scale(1);
                opacity: 1;
            }
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 0.8;
                transform: translateY(0);
            }
        }
        
        /* 响应式布局 */
        @media (max-width: 1024px) {
            .honnorlist_grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }
        
        @media (max-width: 768px) {
            .honnorlist_grid {
                grid-template-columns: repeat(2, 1fr);
            }

        }
        
        @media (max-width: 480px) {
            .honnorlist_grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
            

        }
       
/* ————————————————————————————主要左右：左产品菜单+右—————————————————————————— */  

        .product-container {
            margin: 0 auto;
            background-color: white;
            border-radius: 8px;
            box-shadow-: 0 10px 30px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            display: flex;
            flex-direction: row;
  
        }
        
        /* 左侧区域样式 */
        .product-left {
            flex: 0 0 25%;
            background: linear-gradient(to bottom, #ffffff 0%, #f8fafc 100%);
            padding: 25px;
            border-right: 0px solid #eaeef5;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .product-section {
            background: white;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
            padding: 0px;
        }
        
        .product-section-title {
            font-size: 22px;
            font-weight: 700;
            color: #1a365d;
            margin: 12px;
        }
        
        .product-divider {
            height: 1px;
            background: linear-gradient(to right, transparent 0%, #eeeeee 10%, #eeeeee 90%, transparent 100%);
            margin: 0 0 18px;
        }
        
        /* 搜索区域样式 */
        .product-search-container {
            display: flex;
            gap: 0px;
        }
        
        .product-search-input {
            flex: 1;
            padding: 14px 18px;
            border: 1px solid #eeeeee;
            border-radius: 0px;
            font-size: 16px;
            transition: all 0.3s ease;
        }
        
        .product-search-input:focus {
            border-color: #015bac;
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
            outline: none;
        }
        
        .product-search-btn {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #015bac 0%, #3182ce 100%);
            border: none;
            border-radius: 0px;
            color: white;
            font-size: 18px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .product-search-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(66, 153, 225, 0.3);
        }
        
        /* 分类菜单样式 */
        .product-category-item {
            display: flex;
            align-items: center;
            padding: 10px 10px;
            border-radius: 5px;
            margin-bottom: 0px;
            position: relative;
			border:#eeeeee 1px solid
        }
        
        .product-category-link {
            display: flex;
            align-items: center;
            flex: 1;
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        
        .product-category-item:hover {
            background-color: #f1f8ff;
        }
        
        .product-category-item:hover .product-category-link {
            color: #3182ce;
        }
        
        .product-category-item.active {
            background-color: #ebf8ff;
			
        }
        
        .product-category-item.active .product-category-link {
            color: #015bac;  font-weight: 700;
        }
        
        .product-category-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            object-fit: cover;
            margin-right: 15px;
            transition: all 0.3s ease;
            background: linear-gradient(45deg, #e6f7ff, #d1e8ff);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #3182ce;
            font-size: 18px;
        }
           .product-category-icon img{
            width: 36px;
            height: 36px;          
            object-fit: cover;
        }
        .product-category-item:hover .product-category-icon {
            transform: scale(1.1);
            filter: brightness(0.9);
        }
        
        .product-category-text {
            flex: 1;
            font-size: 16px;
            font-weight: 500;
            color: #2d3748;
            transition: color 0.3s ease;
        }
        
        .product-category-arrow {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #a0aec0;
            transition: all 0.3s ease;
            cursor: pointer;
            margin-left: 10px;
            z-index: 2;
        }
        
        .product-category-item.active .product-category-arrow {
            color: #015bac;
            transform: rotate(90deg);
        }
        
        /* 二级菜单样式 */
        .product-subcategories {
            padding-left: 0px;
            max-height: 0;
			margin-bottom: 10px;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        
        .product-subcategories.expanded {
            max-height: 500px;
        }
        
        .product-subcategory {
            padding: 10px 0;
            font-size: 14px;
            color: #333333;
            display: block;
            text-decoration: none;
            border-radius: 0px;
            padding-left: 15px;
            margin-bottom: 3px;
            transition: all 0.3s ease;
        }
        
        .product-subcategory:hover, 
        .product-subcategory.active {
            background-color: #ebf8ff;
            color: #015bac;
			font-weight:800px;font-size: 15px;
        }
        
        /* 推荐产品样式 */
        .product-item {
            display: flex;
            align-items: center;
            padding: 10px 10px;
            border-radius: 5px;
            margin-bottom: 8px;
            text-decoration: none;
            transition: all 0.3s ease;
			border:#eeeeee 1px solid
        }
        
        .product-item:hover {
            background-color: #f1f8ff;
        }
        
        .product-item:hover .product-item-text {
            color: #3182ce;
        }
        
        .product-item-icon {
            width:50px;
            height: 50px;
            border-radius: 0px;
            
            margin-right: 0px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

		
        .product-item:hover .product-item-icon {
            transform: scale(1.1);
            filter: brightness(0.9);
        }
        
        .product-item-text {
            flex: 1;
            font-size: 16px;
            font-weight: 500;
            color: #2d3748;
            transition: color 0.3s ease;
        }
        
        /* 右侧区域样式 */
        .product-right {
            flex: 0 0 75%;
            display: flex;
            flex-direction: column;
        }
        
        .product-breadcrumb {
            background: linear-gradient(90deg, #f7fafc 0%, #edf2f7 100%);
            padding: 18px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #eeeeee;
        }
        
        .product-location {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            color: #4a5568;
        }
        
        .product-location-icon {
            width: 36px;
            height: 36px;
            background-: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #015bac;
        }
        
        .product-home-btn {
            padding: 10px 24px;
            background: transparent;
            border: 1px solid #cbd5e0;
            border-radius: 10px;
            color: #4a5568;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .product-home-btn:hover {
            background-color: white;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
            transform: translateY(-2px);
            border-color: #a0aec0;
        }
        
        .product-content {
            padding: 35px 0;
            flex: 1;
            overflow-y: auto;
        }
        
        .product-content-title {
            font-size: 32px;
            font-weight: 700;
            color: #1a365d;
            margin-bottom: 25px;
            position: relative;
        }
        
        .product-content-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #4299e1, #63b3ed);
            border-radius: 2px;
        }
        
        .product-description {
            font-size: 18px;
            line-height: 1.8;
            color: #4a5568;
            margin-bottom: 30px;
        }
        
        .product-highlight {
            background-color: #ebf8ff;
            border-left: 4px solid #4299e1;
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }

        
        /* 响应式设计 */
        @media (max-width: 1024px) {
            .product-container {
                flex-direction: column;
            }
            
            .product-left {
                width: 100%;
                border-right: none;
                border-bottom: 1px solid #eaeef5;
            }
             .product-top {
                display: none;
            } 
            .product-middle, .product-bottom {
                display: none;
            }
            
            .product-breadcrumb {
                display: none;
            }
            
            .product-right {
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .product-content {
                padding: 25px 20px;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .product-section {
            animation: fadeIn 0.5s ease-out forwards;
        }
        
        .product-section:nth-child(2) {
            animation-delay: 0.1s;
        }
        
        .product-section:nth-child(3) {
            animation-delay: 0.2s;
        }
        
        .mobile-menu-toggle {
            display: none;
            background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            margin-bottom: 15px;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        
        @media (max-width: 1024px) {
            .mobile-menu-toggle {
                display: flex;
            }
            
            .product-top {
                display: block;
            }
            
            .product-middle, .product-bottom {
                display: none;
            }
            
            .product-middle.active, .product-bottom.active {
                display: block;
            }
        }

/* ————————————————————————————内页产品列表—————————————————————————— */  

		
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .product_list-container {
            margin: 0 auto;
            padding: 0px 0px 30px 0px;
        }
        .product_list-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
        }
        
        .product_list-item {
            background: white;
            border: 1px solid #ededed;
            border-radius: 5px;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            text-align: center;
            position: relative;
            padding: 0px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .product_list-item:hover {
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
            transform: translateY(-10px);
        }
        
        .product_list-img-container {
            width: 100%;
            padding-top: 100%; /* 1:1 Aspect Ratio */
            position: relative;
            overflow: hidden;
            border-radius: 5px;
            margin-bottom: 25px;
        }
        
        .product_list-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }		
        
        .product_list-item:hover .product_list-img {
            transform: scale(1.05);
            filter: brightness(0.95);
        }
        
		    .product_list-img0-container {
            width: 100%;
            padding-top: 135%; /* 1:1 Aspect Ratio */
            position: relative;
            overflow: hidden;
            border-radius: 5px;
            margin-bottom: 25px;
        }
        
        .product_list-img0 {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }		
        
        .product_list-item:hover .product_list-img0 {
            transform: scale(1.05);
            filter: brightness(0.95);
        }

        .product_list-title {
            color: #000000;
            font-size: 16px;
            margin-bottom: 15px;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .product_list-item:hover .product_list-title {
            color: #015bac;
        }
        
        .product_list-line {
            width: 60px;
            height: 2px;
            background: #015bac;
            margin: 0 auto 20px;
            border-radius: 2px;
        }
        
        .product_list-button {
            display: inline-block;
            background: #015bac;
            color: white;
            padding: 10px 28px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 300;
            letter-spacing: 0.5px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 10px rgba(46, 204, 113, 0.3);
        }
        
        .product_list-button:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.2);
            transition: all 0.4s;
        }
        
        .product_list-button:hover {
            background: #333333;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(44, 62, 80, 0.4);
        }
        
        .product_list-button:hover:before {
            left: 100%;
        }
        
        .product_list-button i {
            margin-left: 8px;
            font-size: 0.8rem;
        }
        
        /* 移动端样式 */
        @media (max-width: 992px) {
            .product_list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 576px) {
            .product_list-grid {
                grid-template-columns: 1fr;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .product_list-item {
            animation: fadeInUp 0.6s ease-out forwards;
            opacity: 0;
        }
        
        .product_list-item:nth-child(2) { animation-delay: 0.1s; }
        .product_list-item:nth-child(3) { animation-delay: 0.2s; }
        .product_list-item:nth-child(4) { animation-delay: 0.3s; }
        .product_list-item:nth-child(5) { animation-delay: 0.4s; }
        .product_list-item:nth-child(6) { animation-delay: 0.5s; }
/* ————————————————————————————内页产品内容—————————————————————————— */  


/* ————————————————————————————内页新闻列表—————————————————————————— */  
        /* 新闻列表样式 */
        .news_list {
            padding: 0px 0px;
        }
        
        .news_list-item {
            display: flex;
            position: relative;
            padding: 30px 0;
            text-decoration: none;
            color: #333;
            transition: all 0.4s ease;
        }
        
        .news_list-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #015bac;
            transition: width 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
        }
        
        .news_list-item:hover::after {
            width: 100%;
        }
        
        .news_list-item---:not(:last-child) {
            border-bottom: 1px solid #e0e0e0;
        }
        
	.news_list-item {
border-bottom: 1px solid #e0e0e0;
}
        .news_list-item:hover {
            color: #015bac;
        }
        
        .news_list-time {
            flex: 0 0 150px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 0 15px;
            transition: color 0.3s ease;
        }
        
        .news_list-date {
            font-size: 50px;
            font-weight: 700;
            line-height: 1;
        }
        
        .news_list-month {
            font-size: 18px;
            font-weight: 500;
            margin-top: 5px;
            color: #666;
            transition: color 0.3s ease;
        }
        
        .news_list-content {
            flex: 1;
            padding: 0 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .news_list-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 15px;
            transition: color 0.3s ease;
        }
        
        .news_list-desc {
            font-size: 15px;
            line-height: 1.6;
            color: #555;
            margin-bottom: 20px;
            transition: color 0.3s ease;
        }
        
        .news_list-btn {
            display: inline-block;
            padding: 10px 25px;
            border: 1px solid #ddd;
            background: transparent;
            color: #333;
            font-size: 14px;
            font-weight: 400;
            text-decoration: none;
            border-radius: 30px;
            transition: all 0.3s ease;
            width: fit-content;
            position: relative;
            overflow: hidden;
        }
        
        .news_list-btn::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 100%;
            background: #015bac;
            transition: width 0.3s ease;
            z-index: -1;
        }
        
        .news_list-btn:hover {
            color: white;
            border-color: #015bac;
			 background: #015bac;
        }
        
        .news_list-btn:hover::after {
            width: 100%;
        }
        
        .news_list-image {
            flex: 0 0 300px;
            height: 200px; /* 5:4 比例 */
            overflow: hidden;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            position: relative;
        }
        
        .news_list-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.4s ease;
        }
        
        .news_list-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0);
            transition: background 0.4s ease;
        }
        
        /* 悬停效果 */
        .news_list-item:hover .news_list-title,
        .news_list-item:hover .news_list-desc,
        .news_list-item:hover .news_list-date,
        .news_list-item:hover .news_list-month {
            color: #015bac;
        }
        
        .news_list-item:hover .news_list-image img {
            transform: scale(1.05);
        }
        
        .news_list-item:hover .news_list-image::after {
            background: rgba(0,0,0,0.2);
        }
        
        /* 移动端适配 */
        .news_list-mobile-date {
            display: none;
            font-size: 16px;
            color: #666;
            margin-top: 10px;
			margin-left: 10px;
        }
        
        @media (max-width: 900px) {
            .news_list {
                padding: 20px;
            }
            
            .news_list-item {
                flex-direction: column;
                padding: 25px 0;
            }
            
            .news_list-time {
                display: none;
            }
            
            .news_list-content {
                padding: 20px 0 0;
                order: 2;
            }
            
            .news_list-image {
                flex: 0 0 auto;
                width: 100%;
                height: 200px;
                order: 1;
            }
            
            .news_list-mobile-date {
                display: block;
                order: 3;
                font-weight: 500;
            }
            
            .news_list-title {
                font-size: 20px;
            }
            
            .news_list-desc {
                font-size: 15px;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            
        }
        
        @media (max-width: 480px) {
            .news_list-image {
                height: 160px;
            }
		 .news_list-btn {
            display: none;

        }
            
        }

/* ————————————————————————————内页新闻内容—————————————————————————— */  

        .news_view {
    
            margin: 0 auto;
            background: white;
            border-radius: 0px;
            overflow: hidden;
            box-shadow---: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        
        /* 主内容区 */
        .news_view__container {
            display: flex;
            padding: 30px 0;
            gap: 30px;
        }
        
        /* 左侧区域 */
        .news_view__left {
            flex: 0 0 65%;
        }
        
        /* 右侧区域 */
        .news_view__right {
            flex: 0 0 35%;
        }
        
        /* 标题样式 */
        .news_view__title {
            text-align: center;
            font-size: 32px;
            font-weight: 700;
            color: #1a365d;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        
        /* 元信息样式 */
        .news_view__meta {
            text-align: center;
            color: #718096;
            font-size: 14px;
            margin-bottom: 25px;
            display: flex;
            justify-content: center;
            gap: 25px;
        }
        
        .news_view__meta i {
            margin-right: 6px;
        }
        
        /* 分隔线 */
        .news_view__divider {
            height: 1px;
            background: #e2e8f0;
            margin: 25px 0;
        }
        
        /* 内容样式 */
        .news_view__content {
            font-size: 17px;
            line-height: 1.8;
            color: #2d3748;
        }
        
        .news_view__content p {
            margin-bottom: 20px;
            text-indent: 2em;
        }
        
        /* 导航区 */
        .news_view__nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 30px;
        }
        
        .news_view__prev-next a {
            display: block;
            color: #4a5568;
            text-decoration: none;
            margin: 8px 0;
            transition: color 0.3s;
        }
        
        .news_view__prev-next a:hover {
            color: #015bac;
        }
        
        /* 返回按钮 */
        .news_view__back-btn {
            padding: 12px 25px;
            background: transparent;
            border: 1px solid #cbd5e0;
            color: #ffffff;
            border-radius: 6px;
            cursor: pointer;
            font-size: 15px;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            position: relative;
            overflow: hidden;
        }
        

        .news_view__back-btn:hover {
            color: white;
            background: #f0f0f0;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        /* 右侧标题 */
        .news_view__related-title {
            font-size: 24px;
            font-weight: 700;
            color: #222222;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 2px solid #015bac;
        }
        
        /* 相关新闻容器 */
        .news_view__related-news {
            background: #f7f9fc;
            border-radius: 10px;
            padding: 20px;
            box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.03);
        }
        
        /* 相关新闻项 */
        .news_view__related-item {
            display: flex;
            gap: 15px;
            padding: 15px 0;
            border-bottom: 1px dashed #e2e8f0;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .news_view__related-item:last-child {
            border-bottom: none;
        }
        
        .news_view__related-item:hover {
            transform: translateX(5px);
        }
        
        /* 图片容器 */
        .news_view__related-img {
            flex: 0 0 30%;
            border-radius: 8px;
            overflow: hidden;
            position: relative;
        }
        
        .news_view__related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
            aspect-ratio: 5/3;
        }
        
        .news_view__related-item:hover .news_view__related-img img {
            transform: scale(1.05);
        }
        
        /* 文本内容 */
        .news_view__related-content {
            flex: 1;
        }
        
        .news_view__related-item-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
			padding-right:15px;
            color: #2d3748;
            transition: color 0.3s;
        }
        
        .news_view__related-item:hover .news_view__related-item-title {
            color: #015bac;
        }
        
        .news_view__related-item-time {
            display: flex;
            align-items: center;
            color: #718096;
            font-size: 13px;
        }
        
        .news_view__related-item-time i {
            margin-right: 6px;
            font-size: 12px;
        }
        
        /* 移动端适配 */
        @media (max-width: 992px) {
            .news_view__container {
                flex-direction: column;
                padding: 20px;
            }
            
            .news_view__left,
            .news_view__right {
                flex: 0 0 100%;
                width: 100%;
            }
            
            .news_view__title {
                font-size: 26px;
            }
            
            .news_view__related-title {
                margin-top: 30px;
            }
            
            .news_view__meta {
                flex-direction: column;
                gap: 8px;
            }
        }
        
        @media (max-width: 576px) {
            .news_view__nav {
                flex-direction: column;
                gap: 15px;
                align-items: flex-start;
            }
            
            .news_view__back-btn {
                width: 100%;
                margin-top: 10px;
            }
            
            .news_view__title {
                font-size: 18px;	padding-right:0;
            }
            
            .news_view__content {
                font-size: 16px;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .news_view__container {
            animation: fadeIn 0.6s ease-out;
        }
        
        /* 特色样式 */
        .news_view__highlight {
            background: linear-gradient(transparent 60%, rgba(229, 62, 62, 0.15) 40%);
        }



/* ————————————————————————————内页下载———————————————————————————— */
        .down-container {
            width: 100%;
           padding:50px 0;
            margin: 0 auto;
        }
        
        /* 下载列表 - PC端双列 */
        .down-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            list-style: none;
            width: 100%;
        }
        
        .down-item {
            background-color: #ffffff;
            border-radius: 12px;
            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);
            border: 1px solid #eaeff5;
        }
        
        .down-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
        }
        
        .down-link {
            display: flex;
            text-decoration: none;
            color: inherit;
            padding: 22px;
            transition: background-color 0.3s ease;
            height: 100%;
        }
        
        .down-link:hover {
            background-color: #f8fafd;
        }
        
        .down-left {
            display: flex;
            align-items: center;
            flex: 1;
            padding-right: 20px;
        }
        
        .down-icon {
            width: 48px;
            height: 48px;
            background-color: #015bac;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            transition: all 0.3s ease;
        }
        
        .down-icon i {
            color: white;
            font-size: 25px;
			padding-top:6px;
            transition: all 0.3s ease;
        }
        
        .down-content {
            flex: 1;
            min-width: 0; /* 防止内容溢出 */
        }
        
        .down-title {
            font-size: 18px;
            font-weight: 600;
            color: #222222;
            transition: all 0.3s ease;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .down-file-info {
            font-size: 14px;
            color: #999999;
            margin-top: 8px;
            display: flex;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .down-file-size {
            margin-left: 15px;
            position: relative;
        }
        
        .down-file-size::before {
            content: "•";
            margin-right: 15px;
        }
        
        .down-right {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .down-download {
            width: 48px;
            height: 48px;
            background-color: #f0f5ff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .down-download i {
            color: #7f8c8d;
            font-size: 24px;
			padding-top:5px;
            transition: all 0.3s ease;
        }
        
        /* 鼠标悬停效果 */
        .down-link:hover .down-title {
            color: #015bac;
        }
        
        .down-link:hover .down-icon {
            background-color: #015bac;
            transform: rotate(0deg);
        }
        
        .down-link:hover .down-icon i {
            transform: scale(1);
        }
        
        .down-link:hover .down-download {
            background-color: #015bac;
            transform: scale(1.1);
        }
        
        .down-link:hover .down-download i {
            color: white;
            transform: translateY(0px);
        }
        
        /* 响应式设计 - 平板和移动端 */
        @media (max-width: 992px) {
            .down-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }
            
            .down-link {
                padding: 18px;
            }
            
            .down-icon, .down-download {
                width: 42px;
                height: 42px;
            }
            
            .down-title {
                font-size: 17px;
            }
        }
        
        @media (max-width: 768px) {
            .down-list {
                grid-template-columns: 1fr; /* 移动端单列 */
                gap: 15px;
            }
        }
        
        @media (max-width: 576px) {
            .down-link {
                padding: 16px;
            }
            
            .down-icon, .down-download {
                width: 40px;
                height: 40px;
            }
            
            .down-icon {
                margin-right: 15px;
            }
            
            .down-title {
                font-size: 16px;
            }
            
            .down-file-info {
                font-size: 13px;
            }
        }
        
        /* 动画效果 */
        @keyframes down-fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .down-item {
            animation: down-fadeIn 0.5s ease-out forwards;
            opacity: 0;
        }
        
        .down-item:nth-child(1) { animation-delay: 0.1s; }
        .down-item:nth-child(2) { animation-delay: 0.2s; }
        .down-item:nth-child(3) { animation-delay: 0.3s; }
        .down-item:nth-child(4) { animation-delay: 0.4s; }
        .down-item:nth-child(5) { animation-delay: 0.5s; }
        .down-item:nth-child(6) { animation-delay: 0.6s; }
/* ————————————————————————————内页联系我们—————————————————————————— */  

        .contact-container {
            display: flex;
            width: 100%;
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
        }

        /* 左侧联系信息区域 */
        .contact-info {
            flex: 0 0 40%;
            background: linear-gradient(135deg, #015bac 0%, #002b68 100%);
            color: white;
            padding: 50px 40px;
            position: relative;
            overflow: hidden;
        }

        .contact-info::before {
            content: "";
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .contact-info::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }

        .contact-info h1 {
            font-size: 2.8rem;
            margin-bottom: 40px;
            position: relative;
            z-index: 2;
        }

        .contact-info h2 {
            font-size: 1.4rem;
            margin: 30px 0 15px;
            font-weight: 600;
            position: relative;
            z-index: 2;
            color: rgba(255, 255, 255, 0.9);
        }

        .contact-detail {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }

        .contact-icon {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-right: 15px;
            font-size: 18px;
        }

        .contact-detail a {
            color: white;
            text-decoration: none;
            font-size: 1.1rem;
            transition: all 0.3s ease;
        }

        .contact-detail a:hover {
            color: #d1f0eb;
            text-decoration: underline;
        }

        .contact-detail p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
        }

        .qr-code {
            width: 120px;
            height: 120px;
            background: white;
            border-radius: 10px;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 15px 0 25px;
            position: relative;
            z-index: 2;
        }

        .qr-code img {
            width: 100px;
            height: 100px;
        }

        .social-icons {
            display: flex;
            gap: 15px;
            margin-top: 10px;
            position: relative;
            z-index: 2;
        }

        .social-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 18px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .social-icon:hover {
            background: white;
            color: #015bac;
            transform: translateY(-3px);
        }

        /* 右侧表单区域 */
        .contact-form {
            flex: 0 0 60%;
            padding: 50px 40px;
            background: white;
        }

        .form-title {
            font-size: 2.2rem;
            margin-bottom: 30px;
            color: #333333;
            position: relative;
        }

        .form-title::after {
            content: "";
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 70px;
            height: 2px;
            background: #015bac;
            border-radius: 2px;
        }

        .form-row {
            display: flex;
            gap: 20px;
            margin-bottom: 25px;
        }

        .form-group {
            flex: 1;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #555;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid #ddd;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: #015bac;
            box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.2);
            outline: none;
        }

        .form-group textarea {
            height: 150px;
            resize: vertical;
        }

        .captcha-container {
            display: flex;
            gap: 15px;
            align-items: flex-end;
            margin-bottom: 30px;
        }

        .captcha-input {
            flex: 1;
        }

        .captcha-img {
            flex: 0 0 150px;
            height: 50px;
            background: #f0f4f8;
            border-radius: 8px;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: bold;
            color: #015bac;
            font-size: 1.5rem;
            letter-spacing: 5px;
            user-select: none;
            border: 1px solid #ddd;
        }

        .submit-btn {
            display: block;
            width:180px;
            padding: 13px;
            background: linear-gradient(to right, #015bac, #002b68);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.4s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .submit-btn:hover {
            background: linear-gradient(to right, #002b68, #015bac);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }

        .submit-btn:active {
            transform: translateY(0);
        }

        /* 响应式设计 */
        @media (max-width: 992px) {
            .contact-container {
                flex-direction: column;
            }
            
            .contact-info, .contact-form {
                flex: 1;
            }
            
            .contact-info {
                padding: 40px 30px;
            }
            
            .contact-form {
                padding: 40px 30px;
            }
        }

        @media (max-width: 576px) {
            .form-row {
                flex-direction: column;
                gap: 15px;
            }
            
            .captcha-container {
                flex-direction: column;
                align-items: stretch;
            }
                    .captcha-img {
            flex: 0 0 10px;
            height: 50px;

        }

            
            .contact-info h1 {
                font-size: 2.2rem;
            }
            
            .contact-info h2 {
                font-size: 1.2rem;
            }
        }