/* ================= 基础重置与变量 ================= */
        :root {
            --primary-color: #f05a28;
            --text-dark: #333;
            --text-gray: #666;
            --bg-light: #f8f9fa;
            --border-color: #eee;
            --transition: all 0.3s ease;
        }

        /* 
         * ====================================================
         * 字体大小定义区（按分辨率分别设置，方便以后修改）
         * ====================================================
         */

        /* 默认（1920px 及以上） */
        :root {
            --fs-base: 18px;
            --fs-small: 15px;
            --fs-title: 36px;
            --fs-subtitle: 20px;
            --fs-icon: 46px;
            --fs-nav: 17px;
            --fs-btn: 15px;
        }

        /* 1600px 及以下 */
        @media (max-width: 1600px) {
            :root {
                --fs-base: 16px;
                --fs-small: 14px;
                --fs-title: 32px;
                --fs-subtitle: 18px;
                --fs-icon: 42px;
                --fs-nav: 15px;
                --fs-btn: 14px;
            }
        }

        /* 1440px 及以下 */
        @media (max-width: 1440px) {
            :root {
                --fs-base: 15px;
                --fs-small: 13px;
                --fs-title: 30px;
                --fs-subtitle: 17px;
                --fs-icon: 38px;
                --fs-nav: 14px;
                --fs-btn: 13px;
            }
        }

        /* 1280px 及以下 */
        @media (max-width: 1280px) {
            :root {
                --fs-base: 14px;
                --fs-small: 12.5px;
                --fs-title: 28px;
                --fs-subtitle: 16px;
                --fs-icon: 36px;
                --fs-nav: 13.5px;
                --fs-btn: 12.5px;
            }
        }

        /* 992px 及以下 (平板) */
        @media (max-width: 992px) {
            :root {
                --fs-base: 14px;
                --fs-small: 12px;
                --fs-title: 26px;
                --fs-subtitle: 16px;
                --fs-icon: 34px;
                --fs-nav: 14px;
                --fs-btn: 12px;
            }
        }

        /* 768px 及以下 (小平板) */
        @media (max-width: 768px) {
            :root {
                --fs-base: 13.5px;
                --fs-small: 12px;
                --fs-title: 24px;
                --fs-subtitle: 15px;
                --fs-icon: 30px;
                --fs-nav: 14px;
                --fs-btn: 12px;
            }
        }

        /* 576px 及以下 (手机) */
        @media (max-width: 576px) {
            :root {
                --fs-base: 13px;
                --fs-small: 11.5px;
                --fs-title: 22px;
                --fs-subtitle: 14px;
                --fs-icon: 26px;
                --fs-nav: 13px;
                --fs-btn: 11.5px;
            }
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            font-size: var(--fs-base);
            line-height: 1.6;
            overflow-x: hidden;
        }

        ul { list-style: none; }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; display: block; }

        /* ================= 布局容器 ================= */
        .container {
            width: 80%;
            margin: 0 auto;
        }

        @media (max-width: 1440px) {
            .container {
                width: 90%;
            }
        }

        /* ================= 顶部信息栏 ================= */
        .top-bar {
            background-color: #343434;
            border-top: 5px solid #f05a28;
            color: #fff;
            font-size: var(--fs-small);
            padding: 10px 0;
        }

        .top-bar-content {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            gap: 25px;
        }

        .top-bar-item {
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .top-bar-item i {
            color: var(--primary-color);
        }

        .top-bar-item a {
            color: #ddd;
        }
        .top-bar-item a:hover {
            color: var(--primary-color);
        }

        @media (max-width: 768px) {
            .top-bar-content {
                justify-content: center;
                flex-direction: column;
                gap: 5px;
                text-align: center;
            }
        }

        /* 通用标题样式 */
        .section-title {
            text-align: center;
            font-size: var(--fs-title);
            font-weight: 600;
            margin-bottom: 40px;
            position: relative;
            padding-bottom: 12px;
            color: #222;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background-color: var(--primary-color);
        }

        /* 按钮样式 */
        .btn {
            display: inline-block;
            padding: 6px 18px;
            border: 1px solid var(--primary-color);
            color: var(--primary-color);
            font-size: var(--fs-btn);
            border-radius: 2px;
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
        }
        .btn:hover {
            background: var(--primary-color);
            color: #fff;
        }
        .btn-dark {
            background: #333;
            color: #fff;
            border-color: #333;
        }
        .btn-dark:hover {
            background: #555;
            border-color: #555;
        }

        /* ================= 头部导航 ================= */
        header {
            background: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            position: relative;
        }

        .logo a {
            display: block;
        }
        .logo img {
            height: 50px;
            object-fit: contain;
        }

        @media (max-width: 992px) {
            .logo img { height: 42px; }
        }
        @media (max-width: 576px) {
            .logo img { height: 36px; }
        }

        /* 导航菜单 */
        .nav-menu {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-menu > li {
            position: relative;
            padding: 10px 0;
        }

        .nav-menu > li > a {
            font-size: var(--fs-nav);
            font-weight: 500;
            text-transform: uppercase;
            transition: var(--transition);
        }

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

        /* 二级菜单 */
        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            background: #fff;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            min-width: 200px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            z-index: 100;
        }

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

        .dropdown li a {
            display: block;
            padding: 12px 20px;
            font-size: var(--fs-small);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .dropdown li:last-child a { border-bottom: none; }
        .dropdown li a:hover {
            background: var(--bg-light);
            color: var(--primary-color);
            padding-left: 25px;
        }

        /* 搜索图标与弹窗 */
        .search-toggle {
            font-size: var(--fs-nav);
            cursor: pointer;
            color: var(--text-dark);
            transition: var(--transition);
            margin-left: 20px;
        }
        .search-toggle:hover {
            color: var(--primary-color);
        }

        .search-popup {
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #fff;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            padding: 20px;
            display: none;
            z-index: 999;
            border-top: 1px solid var(--border-color);
        }
        .search-popup.active {
            display: block;
            animation: slideDown 0.3s ease forwards;
        }
        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            gap: 10px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            outline: none;
            font-size: var(--fs-base);
        }
        .search-form button {
            padding: 10px 25px;
            background: var(--primary-color);
            color: #fff;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: var(--fs-btn);
            transition: var(--transition);
        }
        .search-form button:hover {
            background: #d44a1b;
        }

        /* 移动端菜单按钮 */
        .mobile-toggle {
            display: none;
            font-size: var(--fs-subtitle);
            cursor: pointer;
            color: var(--text-dark);
        }

        /* ================= Banner (Swiper) ================= */
        .banner-section {
            position: relative;
        }

        .banner-swiper {
            width: 100%;
            height: 600px;
        }

        @media (max-width: 1600px) { .banner-swiper { height: 560px; } }
        @media (max-width: 1440px) { .banner-swiper { height: 520px; } }
        @media (max-width: 1280px) { .banner-swiper { height: 480px; } }
        @media (max-width: 992px) { .banner-swiper { height: 400px; } }
        @media (max-width: 576px) { .banner-swiper { height: 260px; } }

        .banner-slide {
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .swiper-button-next, .swiper-button-prev {
            color: #fff;
            text-shadow: 0 0 10px rgba(0,0,0,0.5);
        }

        /* ================= 推荐卡片 (Icon Cards) ================= */
        .icon-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .icon-card {
            background: #fff;
            padding: 25px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            display: flex;
            gap: 15px;
            border-radius: 5px;
            transition: var(--transition);
        }
        .icon-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.12);
        }

        .icon-card-icon {
            font-size: var(--fs-icon);
            color: var(--primary-color);
            flex-shrink: 0;
        }

        .icon-card h3 {
            font-size: var(--fs-subtitle);
            margin-bottom: 5px;
        }
        .icon-card p {
            font-size: var(--fs-small);
            color: var(--text-gray);
            line-height: 1.5;
        }

        /* ================= 通用网格列表 ================= */
        .grid-section {
            padding: 80px 0;
        }
        @media (max-width: 992px) { .grid-section { padding: 50px 0; } }
        @media (max-width: 576px) { .grid-section { padding: 40px 0; } }
        .bg-light { background: var(--bg-light); }

        .grid-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        .grid-item {
            background: #fff;
            border-radius: 5px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .grid-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }

        /* 图片链接包裹样式 */
        .grid-item-img-wrap {
            display: block;
            overflow: hidden;
        }

        .grid-item-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        @media (max-width: 1280px) { .grid-item-img { height: 180px; } }
        @media (max-width: 576px) { .grid-item-img { height: 200px; } }
        .grid-item:hover .grid-item-img {
            transform: scale(1.05);
        }

        .grid-item-content {
            padding: 20px;
        }

        /* 标题链接样式 */
        .grid-item-content h4 a {
            color: inherit;
            transition: var(--transition);
            display: block;
            font-size: var(--fs-subtitle);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .grid-item-content h4 a:hover {
            color: var(--primary-color);
        }

        .grid-item-content h4 {
            margin-bottom: 10px;
        }
        
        .grid-item-content p {
            font-size: var(--fs-small);
            color: var(--text-gray);
            margin-bottom: 15px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ================= 关于我们 ================= */
        .about-section {
            padding: 80px 0;
        }
        @media (max-width: 992px) { .about-section { padding: 50px 0; } }

        .about-wrapper {
            display: flex;
            gap: 50px;
            align-items: center;
        }

        .about-img {
            flex: 1;
            position: relative;
            border-radius: 8px;
            overflow: hidden;
        }
        .about-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 8px;
        }
        .video-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70px;
            height: 70px;
            background: rgba(240, 90, 40, 0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: var(--fs-subtitle);
            cursor: pointer;
            transition: var(--transition);
            animation: pulse 2s infinite;
        }
        @media (max-width: 992px) { .video-play-btn { width: 55px; height: 55px; } }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(240, 90, 40, 0.7); }
            70% { box-shadow: 0 0 0 15px rgba(240, 90, 40, 0); }
            100% { box-shadow: 0 0 0 0 rgba(240, 90, 40, 0); }
        }

        .about-text { flex: 1; }
        .about-text h2 {
            font-size: var(--fs-title);
            margin-bottom: 20px;
            color: #222;
        }
        .about-text p {
            font-size: var(--fs-base);
            color: var(--text-gray);
            margin-bottom: 30px;
        }

        /* ================= 案例 ================= */
        .case-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        /* ================= 合作伙伴 (Swiper) ================= */
        .partner-section {
            padding: 60px 0;
            background: #fff;
        }
        @media (max-width: 992px) { .partner-section { padding: 40px 0; } }
        .partner-swiper { padding: 20px 0; }
        .partner-slide {
            display: flex;
            align-items: center;
            justify-content: center;
            background: #fcfcfc;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            height: 110px;
            padding: 15px;
            transition: var(--transition);
        }
        @media (max-width: 992px) { .partner-slide { height: 90px; } }
        @media (max-width: 576px) { .partner-slide { height: 75px; } }
        .partner-slide img {
           /* max-height: 65px;*/
		   max-height: 90px;
            /* filter: grayscale(100%);*/
              opacity: 0.8;
			 
            transition: var(--transition);
        }
        .partner-slide:hover img {
            filter: grayscale(0%);
       
			 opacity: 1;
        }

        /* ================= 新闻 ================= */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .news-item {
            position: relative;
            border-radius: 5px;
            overflow: hidden;
            height: 240px;
            cursor: pointer;
        }
        @media (max-width: 1280px) { .news-item { height: 220px; } }
        @media (max-width: 576px) { .news-item { height: 200px; } }
        .news-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-item:hover img {
            transform: scale(1.1);
        }
        .news-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 20px;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            color: #fff;
        }
        .news-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--primary-color);
            color: #fff;
            padding: 5px 10px;
            border-radius: 3px;
            font-size: var(--fs-small);
            font-weight: bold;
            text-align: center;
            line-height: 1.2;
        }
        .news-date span {
            display: block;
            font-size: var(--fs-subtitle);
        }
        .news-overlay h4 {
            font-size: var(--fs-subtitle);
            margin-bottom: 5px;
        }
        .news-overlay p {
            font-size: var(--fs-small);
            opacity: 0.8;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ================= 页脚 ================= */
        footer {
            background: #222;
            color: #aaa;
            padding: 60px 0 20px;
            font-size: var(--fs-base);
        }
        @media (max-width: 992px) { footer { padding: 40px 0 15px; } }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: var(--fs-subtitle);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--primary-color);
        }
        .footer-col p {
            margin-bottom: 10px;
            line-height: 1.8;
        }
        .footer-col p i {
            margin-right: 8px;
            color: var(--primary-color);
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            font-size: var(--fs-small);
        }

        /* ================= 浮动客服图标 ================= */
        .float-sidebar {
            position: fixed;
            right: 15px;
            bottom: 50%;
            transform: translateY(50%);
            z-index: 9999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-icon {
            width: 55px;
            height: 55px;
            background: var(--primary-color);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--fs-subtitle);
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
            transition: var(--transition);
            position: relative;
        }
        @media (max-width: 992px) { .float-icon { width: 45px; height: 45px; } }
        @media (max-width: 576px) { .float-icon { width: 40px; height: 40px; } }

        .float-icon:hover {
            background: #d44a1b;
            transform: scale(1.1);
        }

        .email-tooltip {
            position: absolute;
            right: 100%;
            top: 50%;
            transform: translateY(-50%);
            margin-right: 12px;
            background: #333;
            color: #fff;
            padding: 8px 15px;
            border-radius: 4px;
            font-size: var(--fs-small);
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            pointer-events: none;
        }
        .email-tooltip::after {
            content: '';
            position: absolute;
            right: -5px;
            top: 50%;
            transform: translateY(-50%);
            border-width: 5px;
            border-style: solid;
            border-color: transparent transparent transparent #333;
        }
        .float-icon.email:hover .email-tooltip {
            opacity: 1;
            visibility: visible;
        }

        /* ================= 布局响应式断点 ================= */
        @media (max-width: 1200px) {
            .grid-list { grid-template-columns: repeat(3, 1fr); }
        }

        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                gap: 0;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
                z-index: 1000;
                padding: 10px 0;
            }
            .nav-menu.active { display: flex; }
            .nav-menu > li { padding: 0; border-bottom: 1px solid #eee; width: 100%; }
            .nav-menu > li > a { display: block; padding: 15px 20px; }

            .dropdown {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                display: none;
                background: var(--bg-light);
                padding-left: 20px;
                width: 100%;
            }
            .nav-menu > li:hover .dropdown { display: block; }

            .mobile-toggle { display: block; }
            .search-toggle { margin-left: auto; margin-right: 15px; }

            .icon-cards { grid-template-columns: 1fr; margin-top: 20px; }
            .about-wrapper { flex-direction: column; }
            .grid-list { grid-template-columns: repeat(2, 1fr); }
            .case-list { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 576px) {
            .grid-list { grid-template-columns: 1fr; }
            .case-list { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }

            .float-sidebar { bottom: 20px; right: 10px; transform: none; }

            .search-form { flex-direction: column; }
            .search-form button { width: 100%; }
        }
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		

        /* =================================================================
         * ========================= 第二部分 CSS =========================
         * ====== 中间主体部分（关于我们页面专有，放在最下方） ======
         * ================================================================= */

        /* ================= 页面通用 Banner ================= */
        .page-banner {
            height: 350px;
            background-image: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/neiyebanner.jpg');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            text-align: center;
        }
        .page-banner h1 {
            font-size: var(--fs-title);
            font-weight: 600;
            margin-bottom: 10px;
        }
        .page-banner p {
            font-size: var(--fs-base);
            opacity: 0.9;
        }
        @media (max-width: 992px) { .page-banner { height: 260px; } }
        @media (max-width: 576px) { .page-banner { height: 200px; } }

        /* ================= 公司介绍 ================= */
        .intro-section {
            padding: 80px 0;
        }
        @media (max-width: 992px) { .intro-section { padding: 50px 0; } }
        @media (max-width: 576px) { .intro-section { padding: 40px 0; } }

        .intro-wrapper {
            display: flex;
            gap: 50px;
            align-items: center;
        }
        .intro-img {
            flex: 1;
            border-radius: 8px;
            overflow: hidden;
        }
        .intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 8px;
            transition: var(--transition);
        }
        .intro-img:hover img {
            transform: scale(1.03);
        }
        .intro-text { flex: 1; }
        .intro-text h2 {
            font-size: var(--fs-title);
            margin-bottom: 20px;
            color: #222;
        }
        .intro-text p {
            font-size: var(--fs-base);
            color: var(--text-gray);
            margin-bottom: 18px;
            line-height: 1.9;
        }

        /* ================= 公司团队 ================= */
        .team-section {
            padding: 80px 0;
            background: var(--bg-light);
        }
        @media (max-width: 992px) { .team-section { padding: 50px 0; } }
        @media (max-width: 576px) { .team-section { padding: 40px 0; } }

        .team-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        .team-item {
            background: #fff;
            border-radius: 5px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
            text-align: center;
        }
        .team-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }

        .team-item-img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            transition: var(--transition);
        }
        @media (max-width: 1280px) { .team-item-img { height: 220px; } }
        @media (max-width: 992px) { .team-item-img { height: 260px; } }
        @media (max-width: 576px) { .team-item-img { height: 240px; } }

        .team-item:hover .team-item-img {
            transform: scale(1.05);
        }

        .team-item-content {
            padding: 20px;
        }
        .team-item-content h4 {
            font-size: var(--fs-subtitle);
            margin-bottom: 5px;
            color: #222;
        }
        .team-item-content p {
            font-size: var(--fs-small);
            color: var(--text-gray);
        }

        /* ================= 企业资质（轮播） ================= */
        .cert-section {
            padding: 80px 0;
        }
        @media (max-width: 992px) { .cert-section { padding: 50px 0; } }
        @media (max-width: 576px) { .cert-section { padding: 40px 0; } }

        .cert-swiper {
            padding: 20px 10px 50px;
        }

        .cert-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 5px;
            overflow: hidden;
            transition: var(--transition);
            text-align: center;
            display: block;
            cursor: pointer;
        }
        .cert-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            border-color: var(--primary-color);
        }

        .cert-item-img-wrap {
            display: block;
            overflow: hidden;
            padding: 20px;
            background: #fafafa;
        }
        .cert-item-img {
            width: 100%;
            height: 220px;
            object-fit: contain;
            transition: var(--transition);
        }
        @media (max-width: 1280px) { .cert-item-img { height: 190px; } }
        @media (max-width: 992px) { .cert-item-img { height: 200px; } }
        @media (max-width: 576px) { .cert-item-img { height: 180px; } }
        .cert-item:hover .cert-item-img {
            transform: scale(1.05);
        }

        .cert-item-content {
            padding: 15px 20px 20px;
        }
        .cert-item-content h4 {
            font-size: var(--fs-subtitle);
            color: #222;
            transition: var(--transition);
        }
        .cert-item:hover .cert-item-content h4 {
            color: var(--primary-color);
        }

        /* 轮播导航与分页（企业资质） */
        .cert-swiper .swiper-button-next,
        .cert-swiper .swiper-button-prev {
            color: var(--primary-color);
            background: #fff;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            transition: var(--transition);
        }
        .cert-swiper .swiper-button-next:hover,
        .cert-swiper .swiper-button-prev:hover {
            background: var(--primary-color);
            color: #fff;
        }
        .cert-swiper .swiper-button-next::after,
        .cert-swiper .swiper-button-prev::after {
            font-size: 16px;
            font-weight: bold;
        }
        .cert-swiper .swiper-pagination-bullet {
            background: #999;
        }
        .cert-swiper .swiper-pagination-bullet-active {
            background: var(--primary-color);
        }

        /* ================= 公司相册 ================= */
        .gallery-section {
            padding: 80px 0;
            background: var(--bg-light);
        }
        @media (max-width: 992px) { .gallery-section { padding: 50px 0; } }
        @media (max-width: 576px) { .gallery-section { padding: 40px 0; } }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .gallery-item {
            position: relative;
            border-radius: 5px;
            overflow: hidden;
            height: 260px;
            cursor: pointer;
            display: block;
        }
        @media (max-width: 1280px) { .gallery-item { height: 220px; } }
        @media (max-width: 992px) { .gallery-item { height: 240px; } }
        @media (max-width: 576px) { .gallery-item { height: 200px; } }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .gallery-item:hover img {
            transform: scale(1.1);
        }

        .gallery-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(240, 90, 40, 0.7);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: var(--transition);
            color: #fff;
            font-size: var(--fs-icon);
        }
        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }

        /* ================= 中间主体部分响应式断点 ================= */
        @media (max-width: 1200px) {
            .team-list { grid-template-columns: repeat(3, 1fr); }
        }

        @media (max-width: 992px) {
            .intro-wrapper { flex-direction: column; }
            .team-list { grid-template-columns: repeat(2, 1fr); }
            .gallery-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 576px) {
            .team-list { grid-template-columns: 1fr; }
            .gallery-grid { grid-template-columns: 1fr; }
        }
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		    /* =================================================================
         * ========================= 第二部分 CSS =========================
         * ====== 中间主体部分（联系我们页面专有，放在最下方） ======
         * ================================================================= */

        /* ================= 页面通用 Banner ================= */
       
        /* ================= 联系我们主区（左联系方式 + 右表单） ================= */
        .contact-section {
            padding: 80px 0;
        }
        @media (max-width: 992px) { .contact-section { padding: 50px 0; } }
        @media (max-width: 576px) { .contact-section { padding: 40px 0; } }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: start;
        }
        @media (max-width: 992px) {
            .contact-wrapper {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        /* ---- 左侧：联系方式 ---- */
        .contact-info h2 {
            font-size: var(--fs-title);
            margin-bottom: 20px;
            color: #222;
            position: relative;
            padding-bottom: 12px;
        }
        .contact-info h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--primary-color);
        }
        .contact-info > p {
            color: var(--text-gray);
            font-size: var(--fs-base);
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .contact-list {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }
        .contact-list-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 20px;
            background: var(--bg-light);
            border-radius: 5px;
            border-left: 3px solid var(--primary-color);
            transition: var(--transition);
        }
        .contact-list-item:hover {
            background: #fff;
            box-shadow: 0 5px 20px rgba(0,0,0,0.06);
            transform: translateX(5px);
        }
        .contact-list-icon {
            width: 45px;
            height: 45px;
            background: var(--primary-color);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--fs-subtitle);
            flex-shrink: 0;
        }
        .contact-list-body h4 {
            font-size: var(--fs-subtitle);
            color: #222;
            margin-bottom: 4px;
        }
        .contact-list-body p {
            font-size: var(--fs-small);
            color: var(--text-gray);
            line-height: 1.7;
            word-break: break-word;
        }
        .contact-list-body p a {
            color: var(--text-gray);
            transition: var(--transition);
        }
        .contact-list-body p a:hover {
            color: var(--primary-color);
        }

        /* ---- 右侧：表单留言 ---- */
        .contact-form-wrap {
            background: #fff;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            border-top: 4px solid var(--primary-color);
        }
        @media (max-width: 576px) {
            .contact-form-wrap { padding: 25px 20px; }
        }

        .contact-form-wrap h2 {
            font-size: var(--fs-title);
            margin-bottom: 8px;
            color: #222;
        }
        .contact-form-wrap > p {
            font-size: var(--fs-small);
            color: var(--text-gray);
            margin-bottom: 25px;
        }

        .form-group {
            margin-bottom: 20px;
            position: relative;
        }
        .form-group label {
            display: block;
            font-size: var(--fs-small);
            color: var(--text-dark);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .form-group label .required {
            color: var(--primary-color);
            margin-left: 3px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            font-size: var(--fs-base);
            font-family: inherit;
            color: var(--text-dark);
            background: var(--bg-light);
            border: 1px solid transparent;
            border-radius: 4px;
            outline: none;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            background: #fff;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(240, 90, 40, 0.1);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 130px;
        }

        /* HTML5 原生校验视觉反馈 */
        .form-group input:invalid:not(:placeholder-shown),
        .form-group textarea:invalid:not(:placeholder-shown) {
            border-color: #e74c3c;
            background: #fff5f3;
        }
        .form-group input:valid:not(:placeholder-shown),
        .form-group textarea:valid:not(:placeholder-shown) {
            border-color: #2ecc71;
        }

        /* 表单提交按钮 */
        .form-submit {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 35px;
            background: var(--primary-color);
            color: #fff;
            border: none;
            border-radius: 4px;
            font-size: var(--fs-btn);
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            cursor: pointer;
            transition: var(--transition);
        }
        .form-submit:hover {
            background: #d44a1b;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(240, 90, 40, 0.35);
        }
        .form-submit i {
            font-size: 0.9em;
        }

        /* ================= 地图版块 ================= */
        .map-section {
            padding: 0 0 80px;
        }
        @media (max-width: 992px) { .map-section { padding: 0 0 50px; } }
        @media (max-width: 576px) { .map-section { padding: 0 0 40px; } }

        .map-wrap {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
        }
        .map-wrap img {
            width: 100%;
            height: 450px;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }
        @media (max-width: 992px) { .map-wrap img { height: 350px; } }
        @media (max-width: 576px) { .map-wrap img { height: 240px; } }

        .map-wrap:hover img {
            transform: scale(1.02);
        }

        .map-address-bar {
            display: flex;
            align-items: center;
            gap: 15px;
            background: #222;
            color: #fff;
            padding: 20px 30px;
            font-size: var(--fs-base);
        }
        .map-address-bar i {
            color: var(--primary-color);
            font-size: var(--fs-subtitle);
        }
        @media (max-width: 576px) {
            .map-address-bar {
                padding: 15px 20px;
                font-size: var(--fs-small);
                gap: 10px;
            }
        }
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		

        /* =================================================================
         * ========================= 第二部分 CSS =========================
         * ====== 中间主体部分（案例列表页面专有，放在最下方） ======
         * ================================================================= */

        /* ================= 页面通用 Banner ================= */
        

        /* ================= 案例分类筛选 ================= */
        .case-filter {
            padding: 50px 0 30px;
        }
        @media (max-width: 992px) { .case-filter { padding: 40px 0 25px; } }
        @media (max-width: 576px) { .case-filter { padding: 30px 0 20px; } }

        .filter-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }
        .filter-list a {
            display: inline-block;
            padding: 8px 22px;
            background: var(--bg-light);
            color: var(--text-dark);
            border-radius: 30px;
            font-size: var(--fs-small);
            transition: var(--transition);
        }
        .filter-list a:hover,
        .filter-list a.active {
            background: var(--primary-color);
            color: #fff;
        }

        /* ================= 案例列表（双列布局） ================= */
        .case-section {
            padding: 20px 0 80px;
        }
        @media (max-width: 992px) { .case-section { padding: 20px 0 50px; } }
        @media (max-width: 576px) { .case-section { padding: 20px 0 40px; } }

        .case-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        @media (max-width: 576px) {
            .case-list { gap: 25px; }
        }

        /* ---- 单个案例（横向左右结构） ---- */
        .case-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0,0,0,0.06);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .case-item:hover {
            box-shadow: 0 15px 45px rgba(0,0,0,0.12);
            border-color: var(--primary-color);
        }

        /* 图片区域 */
        .case-item-img-wrap {
            display: block;
            position: relative;
            overflow: hidden;
            min-height: 320px;
            background: var(--bg-light);
        }
        @media (max-width: 992px) {
            .case-item-img-wrap { min-height: 280px; }
        }
        @media (max-width: 576px) {
            .case-item-img-wrap { min-height: 220px; }
        }

        .case-item-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.7s ease;
        }
        .case-item:hover .case-item-img {
            transform: scale(1.06);
        }

        /* 分类角标 */
        .case-item-category {
            position: absolute;
            top: 18px;
            left: 18px;
            background: var(--primary-color);
            color: #fff;
            padding: 5px 14px;
            border-radius: 3px;
            font-size: var(--fs-small);
            font-weight: 500;
            z-index: 2;
            letter-spacing: 0.5px;
        }

        /* 编号水印 */
        .case-item-number {
            position: absolute;
            bottom: 15px;
            right: 20px;
            font-size: calc(var(--fs-title) * 1.6);
            font-weight: 800;
            color: rgba(255,255,255,0.85);
            line-height: 1;
            z-index: 2;
            text-shadow: 0 2px 15px rgba(0,0,0,0.4);
            letter-spacing: -2px;
            transition: var(--transition);
        }
        .case-item:hover .case-item-number {
            color: var(--primary-color);
        }

        /* 悬停遮罩 */
        .case-item-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.7), transparent 60%);
            display: flex;
            align-items: flex-end;
            padding: 20px;
            opacity: 0;
            transition: var(--transition);
            color: #fff;
            z-index: 1;
        }
        .case-item:hover .case-item-overlay {
            opacity: 1;
        }
        .case-item-overlay-icon {
            width: 44px;
            height: 44px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--fs-base);
            transform: translateY(10px);
            transition: var(--transition);
        }
        .case-item:hover .case-item-overlay-icon {
            transform: translateY(0);
        }

        /* 内容区域 */
        .case-item-content {
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
        }
        @media (max-width: 1280px) {
            .case-item-content { padding: 25px; }
        }
        @media (max-width: 576px) {
            .case-item-content { padding: 20px; }
        }

        /* 顶部小装饰线 */
        .case-item-content::before {
            content: '';
            position: absolute;
            top: 30px;
            left: 30px;
            width: 35px;
            height: 3px;
            background: var(--primary-color);
        }
        @media (max-width: 1280px) {
            .case-item-content::before { top: 25px; left: 25px; }
        }
        @media (max-width: 576px) {
            .case-item-content::before { top: 20px; left: 20px; width: 30px; }
        }

        /* 标题 */
        .case-item-title {
            font-size: var(--fs-subtitle);
            line-height: 1.35;
            margin: 25px 0 14px;
            font-weight: 600;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        @media (max-width: 576px) {
            .case-item-title { margin: 20px 0 12px; }
        }
        .case-item-title a {
            color: #222;
            transition: var(--transition);
        }
        .case-item-title a:hover {
            color: var(--primary-color);
        }

        /* 描述 */
        .case-item-desc {
            font-size: var(--fs-small);
            color: var(--text-gray);
            line-height: 1.8;
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .case-item-desc a {
            color: var(--text-gray);
            transition: var(--transition);
        }
        .case-item-desc a:hover {
            color: var(--primary-color);
        }

        /* 查看详情按钮 */
        .case-item-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            align-self: flex-start;
            padding: 9px 22px;
            background: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
            border-radius: 4px;
            font-size: var(--fs-btn);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .case-item-more:hover {
            background: var(--primary-color);
            color: #fff;
            gap: 14px;
        }
        .case-item-more i {
            font-size: 0.85em;
            transition: var(--transition);
        }

        /* ================= 分页 ================= */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 70px;
        }
        @media (max-width: 576px) { .pagination { margin-top: 45px; } }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            padding: 0 12px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: var(--fs-small);
            color: var(--text-dark);
            background: #fff;
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }
        .pagination .active {
            background: var(--primary-color);
            border-color: var(--primary-color);
            color: #fff;
        }
        .pagination .disabled {
            opacity: 0.4;
            cursor: not-allowed;
        }
		
 
.pagination a.page-num-current {
  color: #fff;
  background: var(--primary-color);
  border: 1px solid var(--primary-color);;
}



        /* ================= 中间主体部分响应式断点 ================= */

        /* 1200px 及以下：每张卡片改为上下结构 */
        @media (max-width: 1200px) {
            .case-item {
                grid-template-columns: 1fr;
            }
            .case-item-img-wrap {
                min-height: 260px;
            }
        }

        /* 992px 及以下：案例列表变单列 */
        @media (max-width: 992px) {
            .case-list {
                grid-template-columns: 1fr;
            }
            .case-item-img-wrap {
                min-height: 300px;
            }
        }

        @media (max-width: 576px) {
            .case-item-img-wrap { min-height: 220px; }
        }
		
		
		
		
		
		
		
		
		
		
		
		

        /* =================================================================
         * ========================= 第二部分 CSS =========================
         * ====== 中间主体部分（案例详情页面专有，放在最下方） ======
         * ================================================================= */

        /* ================= 页面通用 Banner ================= */
         
        /* ================= 案例详情主区 ================= */
        .case-detail-section {
            padding: 80px 0;
        }
        @media (max-width: 992px) { .case-detail-section { padding: 50px 0; } }
        @media (max-width: 576px) { .case-detail-section { padding: 40px 0; } }

        .case-detail-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 50px;
            align-items: start;
        }
        @media (max-width: 992px) {
            .case-detail-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        /* ---- 左侧：案例主体 ---- */
        .case-article {
            background: #fff;
        }

        /* 分类标签 */
        .case-article-category {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(240, 90, 40, 0.1);
            color: var(--primary-color);
            border-radius: 20px;
            font-size: var(--fs-small);
            font-weight: 600;
            margin-bottom: 18px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* 标题 */
        .case-article-title {
            font-size: var(--fs-title);
            color: #222;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 25px;
        }

        /* 元信息 */
        .case-article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            padding-bottom: 25px;
            margin-bottom: 35px;
            border-bottom: 1px solid var(--border-color);
            font-size: var(--fs-small);
            color: var(--text-gray);
        }
        .case-article-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .case-article-meta-item i {
            color: var(--primary-color);
            font-size: var(--fs-base);
        }
        .case-article-meta-item .label {
            color: var(--text-gray);
        }
        .case-article-meta-item .value {
            color: #222;
            font-weight: 600;
        }

        /* 特色大图 */
        .case-feature-img {
            width: 100%;
            height: 500px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 40px;
        }
        @media (max-width: 992px) { .case-feature-img { height: 400px; } }
        @media (max-width: 576px) { .case-feature-img { height: 240px; } }

        /* 正文内容 */
        .case-article-content {
            font-size: var(--fs-base);
            color: #444;
            line-height: 1.9;
        }
        .case-article-content p {
            margin-bottom: 22px;
        }
        .case-article-content h2 {
            font-size: var(--fs-subtitle);
            color: #222;
            margin: 40px 0 20px;
            padding-left: 18px;
            border-left: 4px solid var(--primary-color);
            line-height: 1.4;
        }
        .case-article-content h3 {
            font-size: var(--fs-base);
            color: #222;
            margin: 28px 0 15px;
            font-weight: 600;
        }
        .case-article-content ul {
            padding-left: 25px;
            margin-bottom: 22px;
            list-style: disc;
        }
        .case-article-content ul li {
            margin-bottom: 12px;
            line-height: 1.8;
        }
        .case-article-content blockquote {
            background: var(--bg-light);
            border-left: 4px solid var(--primary-color);
            padding: 25px 30px;
            margin: 30px 0;
            font-style: italic;
            color: var(--text-gray);
            border-radius: 0 5px 5px 0;
            font-size: var(--fs-base);
        }

        /* 案例图集 */
        .case-gallery {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin: 40px 0;
        }
        @media (max-width: 576px) {
            .case-gallery { grid-template-columns: 1fr; gap: 15px; }
        }
        .case-gallery-item {
            border-radius: 6px;
            overflow: hidden;
            height: 260px;
        }
        @media (max-width: 992px) { .case-gallery-item { height: 220px; } }
        @media (max-width: 576px) { .case-gallery-item { height: 200px; } }
        .case-gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .case-gallery-item:hover img {
            transform: scale(1.08);
        }

        /* 客户评价 */
        .case-testimonial {
            background: var(--bg-light);
            border-radius: 8px;
            padding: 35px;
            margin: 40px 0;
            position: relative;
            border-left: 4px solid var(--primary-color);
        }
        @media (max-width: 576px) {
            .case-testimonial { padding: 25px 20px; }
        }
        .case-testimonial::before {
            content: '\201C';
            position: absolute;
            top: 10px;
            right: 30px;
            font-size: 80px;
            color: rgba(240, 90, 40, 0.15);
            font-family: Georgia, serif;
            line-height: 1;
        }
        .case-testimonial-text {
            font-size: var(--fs-base);
            color: #444;
            line-height: 1.9;
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .case-testimonial-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .case-testimonial-avatar {
            width: 55px;
            height: 55px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid #fff;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        .case-testimonial-info h5 {
            font-size: var(--fs-base);
            color: #222;
            font-weight: 600;
            margin-bottom: 3px;
        }
        .case-testimonial-info p {
            font-size: var(--fs-small);
            color: var(--text-gray);
            margin: 0;
        }

        /* 案例数据 */
        .case-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin: 40px 0;
        }
        @media (max-width: 576px) {
            .case-stats { grid-template-columns: 1fr; }
        }
        .case-stat-item {
            text-align: center;
            padding: 30px 15px;
            background: var(--bg-light);
            border-radius: 8px;
            transition: var(--transition);
        }
        .case-stat-item:hover {
            background: var(--primary-color);
            color: #fff;
            transform: translateY(-5px);
        }
        .case-stat-item:hover .case-stat-number,
        .case-stat-item:hover .case-stat-label {
            color: #fff;
        }
        .case-stat-number {
            font-size: var(--fs-title);
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1.2;
            margin-bottom: 6px;
            transition: var(--transition);
        }
        .case-stat-label {
            font-size: var(--fs-small);
            color: var(--text-gray);
            transition: var(--transition);
        }

        /* 案例标签 */
        .case-article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
        }
        .case-article-tags-label {
            font-size: var(--fs-small);
            color: var(--text-dark);
            font-weight: 600;
        }
        .case-article-tags a {
            display: inline-block;
            padding: 5px 16px;
            background: var(--bg-light);
            border-radius: 20px;
            font-size: var(--fs-small);
            color: var(--text-gray);
            transition: var(--transition);
        }
        .case-article-tags a:hover {
            background: var(--primary-color);
            color: #fff;
        }

        /* ---- 上一页 / 下一页 ---- */
        .case-article-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 50px;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
        }
        @media (max-width: 576px) {
            .case-article-nav {
                grid-template-columns: 1fr;
                gap: 15px;
            }
        }

        .case-article-nav-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 18px 22px;
            background: var(--bg-light);
            border-radius: 6px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .case-article-nav-item:hover {
            background: #fff;
            border-color: var(--primary-color);
            box-shadow: 0 5px 20px rgba(240, 90, 40, 0.12);
        }
        .case-article-nav-item.next {
            text-align: right;
            flex-direction: row-reverse;
        }

        .case-article-nav-icon {
            width: 42px;
            height: 42px;
            background: #fff;
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: var(--fs-subtitle);
            transition: var(--transition);
        }
        .case-article-nav-item:hover .case-article-nav-icon {
            background: var(--primary-color);
            color: #fff;
        }

        .case-article-nav-body {
            flex: 1;
            overflow: hidden;
        }
        .case-article-nav-label {
            font-size: var(--fs-small);
            color: var(--text-gray);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }
        .case-article-nav-title {
            font-size: var(--fs-base);
            color: #222;
            font-weight: 600;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }
        .case-article-nav-item:hover .case-article-nav-title {
            color: var(--primary-color);
        }

        /* ================= 右侧侧栏 ================= */
        .sidebar-widget-casedetail {
            background: #fff;
            border-radius: 6px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            padding: 25px;
            margin-bottom: 30px;
        }
        .sidebar-widget-casedetail :last-child { margin-bottom: 0; }

        .sidebar-title {
            font-size: var(--fs-subtitle);
            color: #222;
            font-weight: 600;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-color);
            position: relative;
        }
        .sidebar-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 50px;
            height: 2px;
            background: var(--primary-color);
        }

        /* 侧栏 - 项目信息（侧栏里也补充一些信息） */
        .sidebar-info-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .sidebar-info-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
            font-size: var(--fs-small);
        }
        .sidebar-info-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-info-label {
            color: var(--text-gray);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-info-label i {
            color: var(--primary-color);
        }
        .sidebar-info-value {
            color: #222;
            font-weight: 600;
            text-align: right;
        }

        /* 侧栏 - 相关案例 */
        .related-case-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .related-case-item {
            display: flex;
            gap: 12px;
            transition: var(--transition);
        }
        .related-case-item:hover {
            transform: translateX(5px);
        }
        .related-case-img-wrap {
            width: 90px;
            height: 70px;
            flex-shrink: 0;
            border-radius: 4px;
            overflow: hidden;
        }
        .related-case-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-case-item:hover .related-case-img {
            transform: scale(1.1);
        }
        .related-case-body {
            flex: 1;
            overflow: hidden;
        }
        .related-case-title {
            font-size: var(--fs-small);
            color: #333;
            line-height: 1.4;
            margin-bottom: 5px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }
        .related-case-item:hover .related-case-title {
            color: var(--primary-color);
        }
        .related-case-date {
            font-size: var(--fs-small);
            color: var(--text-gray);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .related-case-date i {
            color: var(--primary-color);
            font-size: 0.85em;
        }

        /* 侧栏 - CTA 询盘 */
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary-color), #ff7a4d);
            color: #fff;
            text-align: center;
            padding: 35px 25px;
        }
        .sidebar-cta h4 {
            font-size: var(--fs-subtitle);
            margin-bottom: 12px;
            font-weight: 600;
        }
        .sidebar-cta p {
            font-size: var(--fs-small);
            opacity: 0.9;
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .sidebar-cta .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            background: #fff;
            color: var(--primary-color);
            border-radius: 4px;
            font-size: var(--fs-btn);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .sidebar-cta .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        }

        /* ================= 中间主体部分响应式断点 ================= */
        @media (max-width: 1200px) {
            .case-detail-layout { grid-template-columns: 1fr 300px; gap: 40px; }
        }
        @media (max-width: 992px) {
            .case-detail-layout { grid-template-columns: 1fr; }
        }
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		

        /* =================================================================
         * ========================= 第二部分 CSS =========================
         * ====== 中间主体部分（产品列表页面专有，放在最下方） ======
         * ================================================================= */

        /* ================= 页面通用 Banner ================= */
        
        /* ================= 产品分类筛选 ================= */
        .product-filter {
            padding: 50px 0 30px;
        }
        @media (max-width: 992px) { .product-filter { padding: 40px 0 25px; } }
        @media (max-width: 576px) { .product-filter { padding: 30px 0 20px; } }

        .filter-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }
        .filter-list a {
            display: inline-block;
            padding: 8px 22px;
            background: var(--bg-light);
            color: var(--text-dark);
            border-radius: 30px;
            font-size: var(--fs-small);
            transition: var(--transition);
        }
        .filter-list a:hover,
        .filter-list a.active {
            background: var(--primary-color);
            color: #fff;
        }

        /* ================= 产品列表 ================= */
        .product-section {
            padding: 20px 0 80px;
        }
        @media (max-width: 992px) { .product-section { padding: 20px 0 50px; } }
        @media (max-width: 576px) { .product-section { padding: 20px 0 40px; } }

        .product-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        /* ---- 产品卡片 ---- */
        .product-item {
            background: #fff;
            border-radius: 6px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid transparent;
        }
        .product-item:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.12);
            border-color: var(--primary-color);
        }

        /* 图片区域（链接） */
        .product-item-img-wrap {
            display: block;
            position: relative;
            overflow: hidden;
            height: 250px;
            background: var(--bg-light);
        }
        @media (max-width: 1280px) { .product-item-img-wrap { height: 220px; } }
        @media (max-width: 992px) { .product-item-img-wrap { height: 240px; } }
        @media (max-width: 576px) { .product-item-img-wrap { height: 240px; } }

        .product-item-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .product-item:hover .product-item-img {
            transform: scale(1.08);
        }

        /* 分类标签 */
        .product-item-category {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--primary-color);
            color: #fff;
            padding: 4px 12px;
            border-radius: 3px;
            font-size: var(--fs-small);
            z-index: 2;
        }

        /* 悬停遮罩（查看详情） */
        .product-item-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(240, 90, 40, 0.75);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: var(--transition);
            color: #fff;
            font-size: var(--fs-icon);
        }
        .product-item:hover .product-item-overlay {
            opacity: 1;
        }

        /* 内容区域 */
        .product-item-content {
            padding: 25px;
            display: flex;
            flex-direction: column;
            flex: 1;
            text-align: center;
        }

        /* 标题（链接） */
        .product-item-title {
            font-size: var(--fs-subtitle);
            line-height: 1.4;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .product-item-title a {
            color: #222;
            transition: var(--transition);
        }
        .product-item-title a:hover {
            color: var(--primary-color);
        }

        /* 描述（链接） */
        .product-item-desc {
            font-size: var(--fs-small);
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .product-item-desc a {
            color: var(--text-gray);
            transition: var(--transition);
        }
        .product-item-desc a:hover {
            color: var(--primary-color);
        }

        /* 查看详情按钮 */
        .product-item-more {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 8px 22px;
            border: 1px solid var(--primary-color);
            color: var(--primary-color);
            border-radius: 30px;
            font-size: var(--fs-btn);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: var(--transition);
            align-self: center;
        }
        .product-item-more:hover {
            background: var(--primary-color);
            color: #fff;
            gap: 12px;
        }
        .product-item-more i {
            font-size: 0.85em;
        }

        

        /* ================= 中间主体部分响应式断点 ================= */
        @media (max-width: 1200px) {
            .product-list { grid-template-columns: repeat(3, 1fr); }
        }

        @media (max-width: 992px) {
            .product-list { grid-template-columns: repeat(2, 1fr); gap: 25px; }
        }

        @media (max-width: 576px) {
            .product-list { grid-template-columns: 1fr; gap: 25px; }
        }
		
		
		
		
		
		
		
		
		
		
		
		    /* =================================================================
         * ========================= 第二部分 CSS =========================
         * ====== 中间主体部分（产品详情页面专有，放在最下方） ======
         * ================================================================= */

        /* ================= 页面通用 Banner ================= */
       

        /* ================= 产品详情主区 ================= */
        .product-detail-section {
            padding: 80px 0 60px;
        }
        @media (max-width: 992px) { .product-detail-section { padding: 50px 0 40px; } }
        @media (max-width: 576px) { .product-detail-section { padding: 40px 0 30px; } }

        .product-detail-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: start;
        }
        @media (max-width: 992px) {
            .product-detail-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        /* ================= 左侧：图片区域（多图 + 放大镜） ================= */
        .product-gallery {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .gallery-main {
            position: relative;
            width: 100%;
            height: 520px;
            border-radius: 8px;
            overflow: hidden;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            cursor: crosshair;
        }
        @media (max-width: 1280px) { .gallery-main { height: 460px; } }
        @media (max-width: 992px) { .gallery-main { height: 500px; } }
        @media (max-width: 576px) { .gallery-main { height: 320px; } }

        .gallery-main-img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            transition: opacity 0.3s ease;
            user-select: none;
            -webkit-user-drag: none;
        }

        .gallery-zoom-lens {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-repeat: no-repeat;
            background-size: 200% 200%;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.25s ease;
            z-index: 3;
        }
        .gallery-main:hover .gallery-zoom-lens {
            opacity: 1;
        }

        .gallery-zoom-hint {
            position: absolute;
            right: 15px;
            bottom: 15px;
            width: 40px;
            height: 40px;
            background: rgba(0,0,0,0.6);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--fs-small);
            z-index: 4;
            transition: var(--transition);
            pointer-events: none;
        }
        .gallery-main:hover .gallery-zoom-hint {
            background: var(--primary-color);
        }

        .gallery-thumbs {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .gallery-thumb {
            width: 90px;
            height: 90px;
            border-radius: 6px;
            overflow: hidden;
            border: 2px solid var(--border-color);
            background: var(--bg-light);
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        @media (max-width: 576px) {
            .gallery-thumb { width: 70px; height: 70px; }
        }
        .gallery-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .gallery-thumb:hover {
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .gallery-thumb.active {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(240, 90, 40, 0.2);
        }


        /* ================= 右侧：产品信息 ================= */
        .product-info {
            display: flex;
            flex-direction: column;
        }

        .product-info-category {
            display: inline-block;
            align-self: flex-start;
            padding: 5px 15px;
            background: rgba(240, 90, 40, 0.1);
            color: var(--primary-color);
            border-radius: 20px;
            font-size: var(--fs-small);
            font-weight: 600;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .product-info-title {
            font-size: var(--fs-title);
            color: #222;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .product-info-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 25px;
            padding-bottom: 20px;
            margin-bottom: 25px;
            border-bottom: 1px solid var(--border-color);
            font-size: var(--fs-small);
            color: var(--text-gray);
        }
        .product-info-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .product-info-meta-item i {
            color: var(--primary-color);
        }
        .product-info-stars i {
            color: #f7b500;
            font-size: 0.9em;
        }

        .product-info-desc {
            font-size: var(--fs-base);
            color: #555;
            line-height: 1.9;
            margin-bottom: 30px;
        }

        .product-info-specs {
            background: var(--bg-light);
            border-radius: 6px;
            padding: 25px;
            margin-bottom: 30px;
        }
        .product-info-specs h4 {
            font-size: var(--fs-subtitle);
            color: #222;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 1px solid #e5e5e5;
        }
        .product-info-specs-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px 25px;
        }
        @media (max-width: 576px) {
            .product-info-specs-list { grid-template-columns: 1fr; }
        }
        .product-info-spec-item {
            display: flex;
            font-size: var(--fs-small);
            line-height: 1.8;
        }
        .product-info-spec-item .label {
            color: var(--text-gray);
            min-width: 100px;
            flex-shrink: 0;
        }
        .product-info-spec-item .value {
            color: #222;
            font-weight: 500;
        }

        .product-info-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 10px;
        }
        .product-info-actions .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 35px;
            background: var(--primary-color);
            color: #fff;
            border: none;
            border-radius: 4px;
            font-size: var(--fs-btn);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .product-info-actions .btn-primary:hover {
            background: #d44a1b;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(240, 90, 40, 0.35);
        }
        .product-info-actions .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 35px;
            background: transparent;
            color: #333;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: var(--fs-btn);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .product-info-actions .btn-outline:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }

        /* ================= 产品描述区（只有 Description） ================= */
        .product-description-section {
            padding: 0 0 60px;
        }
        @media (max-width: 992px) { .product-description-section { padding: 0 0 40px; } }

        .product-description-box {
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            overflow: hidden;
        }

        .product-description-header {
            padding: 20px 40px;
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-color);
            border-left: 4px solid var(--primary-color);
        }
        @media (max-width: 576px) {
            .product-description-header { padding: 15px 20px; }
        }
        .product-description-header h3 {
            font-size: var(--fs-subtitle);
            color: #222;
            font-weight: 600;
        }

        .product-description-content {
            padding: 40px;
        }
        @media (max-width: 576px) {
            .product-description-content { padding: 25px 20px; }
        }

        .product-description-content h3 {
            font-size: var(--fs-subtitle);
            color: #222;
            margin-bottom: 15px;
            padding-left: 15px;
            border-left: 4px solid var(--primary-color);
            line-height: 1.4;
        }
        .product-description-content p {
            font-size: var(--fs-base);
            color: #555;
            line-height: 1.9;
            margin-bottom: 18px;
        }
        .product-description-content ul {
            list-style: disc;
            padding-left: 25px;
            margin-bottom: 18px;
        }
        .product-description-content ul li {
            font-size: var(--fs-base);
            color: #555;
            margin-bottom: 10px;
            line-height: 1.7;
        }
        .product-description-content img {
            border-radius: 6px;
            margin: 20px 0;
            width: 100%;
        }

        /* ================= 询盘表单区域 ================= */
        .inquiry-section {
            padding: 0 0 80px;
            scroll-margin-top: 100px; /* 让锚点跳转后留出头部空间 */
        }
        @media (max-width: 992px) { .inquiry-section { padding: 0 0 50px; } }
        @media (max-width: 576px) { .inquiry-section { padding: 0 0 40px; } }

        .inquiry-box {
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            padding: 50px;
            border-top: 4px solid var(--primary-color);
            max-width: 900px;
            margin: 0 auto;
        }
        @media (max-width: 992px) { .inquiry-box { padding: 40px 30px; } }
        @media (max-width: 576px) { .inquiry-box { padding: 25px 20px; } }

        .inquiry-box h2 {
            font-size: var(--fs-title);
            color: #222;
            text-align: center;
            margin-bottom: 10px;
        }
        .inquiry-box > p {
            font-size: var(--fs-small);
            color: var(--text-gray);
            text-align: center;
            margin-bottom: 35px;
        }

        .inquiry-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        @media (max-width: 768px) {
            .inquiry-form .form-row { grid-template-columns: 1fr; }
        }

        .inquiry-form .form-group {
            margin-bottom: 20px;
        }
        .inquiry-form label {
            display: block;
            font-size: var(--fs-small);
            color: var(--text-dark);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .inquiry-form label .required {
            color: var(--primary-color);
            margin-left: 3px;
        }
        .inquiry-form input,
        .inquiry-form textarea {
            width: 100%;
            padding: 12px 15px;
            font-size: var(--fs-base);
            font-family: inherit;
            color: var(--text-dark);
            background: var(--bg-light);
            border: 1px solid transparent;
            border-radius: 4px;
            outline: none;
            transition: var(--transition);
        }
        .inquiry-form input:focus,
        .inquiry-form textarea:focus {
            background: #fff;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(240, 90, 40, 0.1);
        }
        .inquiry-form textarea {
            resize: vertical;
            min-height: 140px;
        }
        .inquiry-form input:invalid:not(:placeholder-shown),
        .inquiry-form textarea:invalid:not(:placeholder-shown) {
            border-color: #e74c3c;
            background: #fff5f3;
        }
        .inquiry-form input:valid:not(:placeholder-shown),
        .inquiry-form textarea:valid:not(:placeholder-shown) {
            border-color: #2ecc71;
        }

        .inquiry-form .form-submit-wrap {
            text-align: center;
            margin-top: 15px;
        }
        .inquiry-form .form-submit {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 50px;
            background: var(--primary-color);
            color: #fff;
            border: none;
            border-radius: 4px;
            font-size: var(--fs-btn);
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            cursor: pointer;
            transition: var(--transition);
        }
        .inquiry-form .form-submit:hover {
            background: #d44a1b;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(240, 90, 40, 0.35);
        }
        .inquiry-form .form-submit i {
            font-size: 0.9em;
        }

        /* ================= 中间主体部分响应式断点 ================= */
        @media (max-width: 1200px) {
            .product-detail-layout { gap: 40px; }
        }
        @media (max-width: 992px) {
            .product-detail-layout { gap: 35px; }
        }
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		

        /* =================================================================
         * ========================= 第二部分 CSS =========================
         * ====== 中间主体部分（搜索结果页面专有，放在最下方） ======
         * ================================================================= */

        /* ================= 搜索结果页头部 ================= */
        .search-page-header {
            background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
            padding: 70px 0 50px;
            color: #fff;
        }
        @media (max-width: 992px) {
            .search-page-header { padding: 50px 0 35px; }
        }
        @media (max-width: 576px) {
            .search-page-header { padding: 40px 0 30px; }
        }

        .search-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--fs-small);
            color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
        }
        .search-breadcrumb a {
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }
        .search-breadcrumb a:hover {
            color: var(--primary-color);
        }
        .search-breadcrumb i {
            font-size: 0.7em;
        }
        .search-breadcrumb .current {
            color: var(--primary-color);
        }

        .search-page-title {
            font-size: var(--fs-title);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 15px;
        }
        .search-page-title .keyword {
            color: var(--primary-color);
        }

        .search-page-info {
            font-size: var(--fs-base);
            color: rgba(255,255,255,0.75);
        }
        .search-page-info strong {
            color: #fff;
            font-weight: 600;
        }

        /* 页面内搜索框 */
        .search-page-box {
            margin-top: 30px;
            max-width: 700px;
        }
        .search-page-box form {
            display: flex;
            gap: 10px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 6px;
            padding: 8px;
            transition: var(--transition);
        }
        .search-page-box form:focus-within {
            border-color: var(--primary-color);
            background: rgba(255,255,255,0.12);
        }
        .search-page-box input {
            flex: 1;
            padding: 12px 18px;
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: var(--fs-base);
            font-family: inherit;
        }
        .search-page-box input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .search-page-box button {
            padding: 12px 30px;
            background: var(--primary-color);
            color: #fff;
            border: none;
            border-radius: 4px;
            font-size: var(--fs-btn);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .search-page-box button:hover {
            background: #d44a1b;
        }
        @media (max-width: 576px) {
            .search-page-box form {
                flex-direction: column;
                padding: 10px;
            }
            .search-page-box button {
                width: 100%;
                justify-content: center;
            }
        }

        /* ================= 搜索结果主体 ================= */
        .search-results-section {
            padding: 60px 0 80px;
        }
        @media (max-width: 992px) { .search-results-section { padding: 40px 0 50px; } }
        @media (max-width: 576px) { .search-results-section { padding: 30px 0 40px; } }

        /* ---- 结果列表 ---- */
        .results-list {
            display: flex;
            flex-direction: column;
        }

        .result-item {
            padding: 30px 0;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .result-item:last-child {
            border-bottom: none;
        }

        /* 类型徽章 */
        .result-item-type {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: var(--fs-small);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .result-item-type.type-product {
            background: rgba(240, 90, 40, 0.12);
            color: var(--primary-color);
        }
        .result-item-type.type-case {
            background: rgba(52, 152, 219, 0.12);
            color: #3498db;
        }
        .result-item-type.type-news {
            background: rgba(46, 204, 113, 0.12);
            color: #2ecc71;
        }
        .result-item-type.type-page {
            background: rgba(155, 89, 182, 0.12);
            color: #9b59b6;
        }

        /* 标题链接 */
        .result-item-title {
            font-size: var(--fs-subtitle);
            line-height: 1.4;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .result-item-title a {
            color: #1a0dab;
            transition: var(--transition);
            display: inline;
        }
        .result-item-title a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .result-item-title a mark {
            background: #fff3b0;
            color: inherit;
            padding: 0 3px;
            border-radius: 2px;
        }

        /* 描述 */
        .result-item-desc {
            font-size: var(--fs-base);
            color: #555;
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .result-item-desc mark {
            background: #fff3b0;
            color: #222;
            padding: 0 3px;
            border-radius: 2px;
            font-weight: 500;
        }

        /* ---- 统一图文结构 ---- */
        .result-item-layout {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 25px;
            align-items: flex-start;
        }

        .result-item-thumb {
            border-radius: 6px;
            overflow: hidden;
            height: 140px;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
        }
        .result-item-thumb a {
            display: block;
            width: 100%;
            height: 100%;
        }
        .result-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .result-item:hover .result-item-thumb img {
            transform: scale(1.05);
        }

        .result-item-body {
            min-width: 0;
        }

        /* ---- 空状态 ---- */
        .results-empty {
            text-align: center;
            padding: 80px 20px;
        }
        .results-empty-icon {
            font-size: calc(var(--fs-icon) * 1.5);
            color: #ddd;
            margin-bottom: 25px;
        }
        .results-empty h3 {
            font-size: var(--fs-subtitle);
            color: #222;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .results-empty p {
            font-size: var(--fs-base);
            color: var(--text-gray);
            margin-bottom: 30px;
            line-height: 1.8;
        }

       

        /* ================= 中间主体部分响应式断点 ================= */
        @media (max-width: 992px) {
            .result-item-layout {
                grid-template-columns: 160px 1fr;
                gap: 20px;
            }
            .result-item-thumb {
                height: 120px;
            }
        }
        @media (max-width: 576px) {
            .result-item-layout {
                grid-template-columns: 1fr;
                gap: 15px;
            }
            .result-item-thumb {
                height: 180px;
            }
        }




  /* =================================================================
         * ========================= 第二部分 CSS =========================
         * ====== 中间主体部分（新闻列表页面专有，放在最下方） ======
         * ================================================================= */

        /* ================= 页面通用 Banner ================= */
       

        /* ================= 新闻列表 ================= */
        .news-section {
            padding: 80px 0;
        }
        @media (max-width: 992px) { .news-section { padding: 50px 0; } }
        @media (max-width: 576px) { .news-section { padding: 40px 0; } }

        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        /* ---- 新闻卡片 ---- */
        .news-item-list {
            background: #fff;
            border-radius: 6px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-item-list:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.12);
        }

        /* 图片区域（链接） */
        .news-item-img-wrap {
            display: block;
            position: relative;
            overflow: hidden;
            height: 240px;
        }
        @media (max-width: 1280px) { .news-item-img-wrap { height: 220px; } }
        @media (max-width: 992px) { .news-item-img-wrap { height: 240px; } }
        @media (max-width: 576px) { .news-item-img-wrap { height: 200px; } }

        .news-item-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-item-list:hover .news-item-img {
            transform: scale(1.08);
        }

        /* 日期角标 */
        .news-item-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--primary-color);
            color: #fff;
            padding: 6px 12px;
            border-radius: 3px;
            font-size: var(--fs-small);
            font-weight: bold;
            text-align: center;
            line-height: 1.2;
            z-index: 2;
        }
        .news-item-date span {
            display: block;
            font-size: var(--fs-subtitle);
        }

        /* 分类标签 */
        .news-item-category {
            position: absolute;
            top: 15px;
            right: 15px;
            background: rgba(0,0,0,0.7);
            color: #fff;
            padding: 4px 12px;
            border-radius: 3px;
            font-size: var(--fs-small);
            z-index: 2;
            transition: var(--transition);
        }
        .news-item-list:hover .news-item-category {
            background: var(--primary-color);
        }

        /* 内容区域 */
        .news-item-content {
            padding: 25px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        /* 标题（链接） */
        .news-item-title {
            font-size: var(--fs-subtitle);
            line-height: 1.4;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item-title a {
            color: #222;
            transition: var(--transition);
        }
        .news-item-title a:hover {
            color: var(--primary-color);
        }

        /* 描述（链接） */
        .news-item-desc {
            font-size: var(--fs-small);
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-item-desc a {
            color: var(--text-gray);
            transition: var(--transition);
        }
        .news-item-desc a:hover {
            color: var(--primary-color);
        }

        /* 阅读更多 */
        .news-item-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-color);
            font-size: var(--fs-btn);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: var(--transition);
            align-self: flex-start;
        }
        .news-item-more:hover {
            gap: 12px;
        }
        .news-item-more i {
            font-size: 0.85em;
        }

       

        /* ================= 中间主体部分响应式断点 ================= */
        @media (max-width: 1200px) {
            .news-list { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 992px) {
            .news-list { grid-template-columns: repeat(2, 1fr); gap: 25px; }
        }

        @media (max-width: 576px) {
            .news-list { grid-template-columns: 1fr; gap: 25px; }
        }










        /* =================================================================
         * ========================= 第二部分 CSS =========================
         * ====== 中间主体部分（新闻详情页面专有，放在最下方） ======
         * ================================================================= */

        /* ================= 页面通用 Banner ================= */
        

        /* ================= 新闻详情主区 ================= */
        .news-detail-section {
            padding: 80px 0;
        }
        @media (max-width: 992px) { .news-detail-section { padding: 50px 0; } }
        @media (max-width: 576px) { .news-detail-section { padding: 40px 0; } }

        .news-detail-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 50px;
            align-items: start;
        }
        @media (max-width: 992px) {
            .news-detail-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        /* ---- 左侧：文章主体 ---- */
        .article-wrap {
            background: #fff;
        }

        /* 文章标题 */
        .article-title {
            font-size: var(--fs-title);
            color: #222;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 20px;
        }

        /* 文章元信息 */
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 25px;
            padding-bottom: 20px;
            margin-bottom: 30px;
            border-bottom: 1px solid var(--border-color);
            font-size: var(--fs-small);
            color: var(--text-gray);
        }
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-meta-item i {
            color: var(--primary-color);
        }
        .article-meta-item a {
            color: var(--text-gray);
            transition: var(--transition);
        }
        .article-meta-item a:hover {
            color: var(--primary-color);
        }

        /* 特色图 */
        .article-feature-img {
            width: 100%;
            height: 450px;
            object-fit: cover;
            border-radius: 6px;
            margin-bottom: 35px;
        }
        @media (max-width: 992px) { .article-feature-img { height: 360px; } }
        @media (max-width: 576px) { .article-feature-img { height: 220px; } }

        /* 正文内容 */
        .article-content {
            font-size: var(--fs-base);
            color: #444;
            line-height: 1.9;
        }
        .article-content p {
            margin-bottom: 22px;
        }
        .article-content h2 {
            font-size: var(--fs-subtitle);
            color: #222;
            margin: 35px 0 18px;
            padding-left: 15px;
            border-left: 4px solid var(--primary-color);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: var(--fs-base);
            color: #222;
            margin: 25px 0 15px;
        }
        .article-content ul {
            padding-left: 25px;
            margin-bottom: 22px;
            list-style: disc;
        }
        .article-content ul li {
            margin-bottom: 10px;
        }
        .article-content blockquote {
            background: var(--bg-light);
            border-left: 4px solid var(--primary-color);
            padding: 20px 25px;
            margin: 25px 0;
            font-style: italic;
            color: var(--text-gray);
            border-radius: 0 5px 5px 0;
        }
        .article-content img {
            border-radius: 6px;
            margin: 25px 0;
            width: 100%;
        }

        /* 文章底部：标签 */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-top: 40px;
            padding-top: 25px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags-label {
            font-size: var(--fs-small);
            color: var(--text-dark);
            font-weight: 600;
        }
        .article-tags a {
            display: inline-block;
            padding: 5px 15px;
            background: var(--bg-light);
            border-radius: 20px;
            font-size: var(--fs-small);
            color: var(--text-gray);
            transition: var(--transition);
        }
        .article-tags a:hover {
            background: var(--primary-color);
            color: #fff;
        }

        /* ---- 上一页 / 下一页 ---- */
        .article-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 50px;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
        }
        @media (max-width: 576px) {
            .article-nav {
                grid-template-columns: 1fr;
                gap: 15px;
            }
        }

        .article-nav-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 18px 22px;
            background: var(--bg-light);
            border-radius: 6px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .article-nav-item:hover {
            background: #fff;
            border-color: var(--primary-color);
            box-shadow: 0 5px 20px rgba(240, 90, 40, 0.12);
        }
        .article-nav-item.next {
            text-align: right;
            flex-direction: row-reverse;
        }

        .article-nav-icon {
            width: 42px;
            height: 42px;
            background: #fff;
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: var(--fs-subtitle);
            transition: var(--transition);
        }
        .article-nav-item:hover .article-nav-icon {
            background: var(--primary-color);
            color: #fff;
        }

        .article-nav-body {
            flex: 1;
            overflow: hidden;
        }
        .article-nav-label {
            font-size: var(--fs-small);
            color: var(--text-gray);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }
        .article-nav-title {
            font-size: var(--fs-base);
            color: #222;
            font-weight: 600;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }
        .article-nav-item:hover .article-nav-title {
            color: var(--primary-color);
        }

        /* ================= 右侧侧栏 ================= */
        .sidebar-widget {
            background: #fff;
            border-radius: 6px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            padding: 25px;
            margin-bottom: 30px;
        }
        .sidebar-widget:last-child { margin-bottom: 0; }

        .sidebar-title {
            font-size: var(--fs-subtitle);
            color: #222;
            font-weight: 600;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-color);
            position: relative;
        }
        .sidebar-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 50px;
            height: 2px;
            background: var(--primary-color);
        }

        /* 侧栏 - 相关新闻 */
        .related-news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .related-news-item {
            display: flex;
            gap: 12px;
            transition: var(--transition);
        }
        .related-news-item:hover {
            transform: translateX(5px);
        }
        .related-news-img-wrap {
            width: 90px;
            height: 70px;
            flex-shrink: 0;
            border-radius: 4px;
            overflow: hidden;
        }
        .related-news-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-news-item:hover .related-news-img {
            transform: scale(1.1);
        }
        .related-news-body {
            flex: 1;
            overflow: hidden;
        }
        .related-news-title {
            font-size: var(--fs-small);
            color: #333;
            line-height: 1.4;
            margin-bottom: 5px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition);
        }
        .related-news-item:hover .related-news-title {
            color: var(--primary-color);
        }
        .related-news-date {
            font-size: var(--fs-small);
            color: var(--text-gray);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .related-news-date i {
            color: var(--primary-color);
            font-size: 0.85em;
        }

        /* 侧栏 - 分类标签 */
        .category-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .category-tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--bg-light);
            border-radius: 20px;
            font-size: var(--fs-small);
            color: var(--text-gray);
            transition: var(--transition);
        }
        .category-tag:hover {
            background: var(--primary-color);
            color: #fff;
        }

        /* ================= 中间主体部分响应式断点 ================= */
        @media (max-width: 1200px) {
            .news-detail-layout { grid-template-columns: 1fr 300px; gap: 40px; }
        }
        @media (max-width: 992px) {
            .news-detail-layout { grid-template-columns: 1fr; }
        }