/* --- 1. 全局重置与高级变量 --- */
        :root {
            --primary-orange: #ff6600;
            --primary-hover: #e65c00;
            --text-dark: #1a1a1a;
            --text-gray: #666;
            --bg-light: #f8f9fa;
            --container-width: 1470px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
        }

        .sidebar-box p {
            line-height: 2;
            color: #333;
            font-size: 14px;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: 'Poppins', sans-serif;
            color: var(--text-dark);
            font-weight: 700;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            display: block;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 通用按钮样式 */
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--primary-orange);
            color: #fff;
            font-weight: 600;
            border-radius: 4px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            font-size: 14px;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(255, 102, 0, 0.3);
            transition: var(--transition);
        }

        .btn:hover {
            background: var(--primary-hover);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(255, 102, 0, 0.4);
            color: #fff;
            border: none;
        }

        /* 通用标题样式 */
        .section-title {
            font-size: 36px;
            margin-bottom: 50px;
            position: relative;
            padding-bottom: 15px;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary-orange);
        }

        .text-center .section-title::after {
            left: 50%;
            transform: translateX(-50%);
        }

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

        .section-padding {
            padding: 100px 0;
        }

        .top-bar {
            background: #111;
            color: #ccc;
            font-size: 13px;
            padding: 10px 0;
            border-bottom: 1px solid #222;
        }

        .top-bar .container {
            display: flex;
            justify-content: space-between;
            width: 100%;
        }

        .top-bar a {
            color: #ccc;
            transition: color 0.3s ease;
        }

        .top-bar a:hover {
            color: #ff6600;
        }

        header {
            background: #fff;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .logo {
            font-size: 28px;
            font-weight: 800;
            font-family: 'Poppins', sans-serif;
            display: flex;
            align-items: center;
            color: #000;
            letter-spacing: -1px;
        }

        .logo i {
            color: var(--primary-orange);
            margin-right: 10px;
            font-size: 32px;
        }

        nav ul {
            display: flex;
            gap: 40px;
            align-items: center;
        }

        nav a {
            font-weight: 600;
            font-size: 15px;
            text-transform: uppercase;
            color: #333;
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-orange);
            transition: 0.3s;
        }

        nav a:hover::after,
        nav a.active::after {
            width: 100%;
        }

        nav a:hover,
        nav a.active {
            color: var(--primary-orange);
        }

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

        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            background: #fff;
            min-width: 180px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
            border-radius: 4px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s ease;
            z-index: 1000;
            border-top: 3px solid var(--primary-orange);
        }

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

        .dropdown-menu a {
            display: block;
            padding: 12px 20px;
            color: #333;
            font-size: 14px;
            font-weight: 500;
            text-transform: none;
            border-bottom: 1px solid #f0f0f0;
            transition: all 0.3s ease;
        }

        .dropdown-menu a:last-child {
            border-bottom: none;
        }

        .dropdown-menu a:hover {
            background: #f8f9fa;
            color: var(--primary-orange);
            padding-left: 25px;
        }

        .dropdown-menu a::after {
            display: none;
        }

        /* --- 3. Hero Banner 轮播图 --- */
        .hero {
            height: 600px;
            position: relative;
            overflow: hidden;
            background-color: #333;
            /* 添加默认背景色防止白屏 */
        }

        .hero-slider {
            position: relative;
            width: 100%;
            height: 100%;
        }

        .hero-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            /* 缩短过渡时间 */
            background-size: cover;
            background-position: center;
        }

        .hero-slide.active {
            opacity: 1;
            z-index: 1;
        }

        .hero-slide::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3));
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100%;
            text-align: center;
            color: #fff;
            padding: 0 20px;
            animation: slideUp 1s ease-out;
        }

        .hero h1 {
            font-size: 56px;
            margin-bottom: 20px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
            color: #fff;
        }

        .hero p {
            font-size: 20px;
            opacity: 0.9;
            margin-bottom: 30px;
        }



        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* --- 4. About Section --- */
        /* --- About Us Section 像素级还原 --- */
        .about-section-pixel {
            padding: 100px 0;
            background-color: #fff;
            overflow: hidden;
        }

        .about-flex-container {
            display: flex;
            align-items: center;
            gap: 80px;
            /* 左右间距 */
        }

        /* 左侧文字区 */
        .about-content-left {
            flex: 1;
        }

        .welcome-text {
            color: #bbb;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 10px;
            display: block;
        }

        .about-main-title {
            font-size: 36px;
            font-weight: 900;
            color: #000;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 15px;
        }

        /* 标题下方的橙色粗短线 */
        .about-main-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100px;
            height: 5px;
            background-color: #ff6600;
        }

        .about-description {
            font-size: 14px;
            line-height: 1.8;
            color: #333;
            margin-bottom: 30px;
        }

        .about-description strong {
            color: #ff6600;
            /* 1999 突出显示 */
        }

        .more-link {
            font-size: 15px;
            font-weight: 700;
            color: #333;
            text-decoration: none;
            border-bottom: 2px solid #ff6600;
            /* 模拟链接下划线 */
            padding-bottom: 2px;
        }

        .more-link span {
            color: #ff6600;
        }

        /* 右侧图片层叠区 */
        .about-image-right {
            flex: 1;
            position: relative;
            padding: 30px;
            /* 为底层背景留出空间 */
        }

        /* 底层装饰背景 (浅色木纹感) */
        .image-decoration-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 80%;
            height: 80%;
            background: #f8f8f8;
            /* 模拟原图浅色底色 */
            background-image: repeating-linear-gradient(45deg, #f0f0f0 0, #f0f0f0 1px, transparent 0, transparent 50%);
            background-size: 10px 10px;
            /* 模拟轻微纹理 */
            z-index: 1;
        }

        /* 主图容器 */
        .main-video-img {
            position: relative;
            z-index: 2;
            box-shadow: 20px 20px 50px rgba(0, 0, 0, 0.05);
        }

        .main-video-img img {
            width: 100%;
            display: block;
        }

        /* 播放按钮还原 */
        .video-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70px;
            height: 70px;
            background: rgba(255, 255, 255, 0.2);
            border: 2px solid #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: 0.3s;
        }

        .video-play-btn::after {
            content: '';
            width: 0;
            height: 0;
            border-style: solid;
            border-width: 12px 0 12px 20px;
            border-color: transparent transparent transparent #ffffff;
            margin-left: 5px;
        }

        .video-play-btn:hover {
            background: rgba(255, 255, 255, 0.4);
            transform: translate(-50%, -50%) scale(1.1);
        }

        /* 响应式 */
        @media (max-width: 992px) {
            .about-flex-container {
                flex-direction: column;
                text-align: center;
            }

            .about-main-title::after {
                left: 50%;
                transform: translateX(-50%);
            }

            .about-image-right {
                width: 100%;
            }
        }

        /* --- 5. Honor/Stats Section --- */
        .history-section {
            /* 背景图：使用了暗色遮罩 + 模糊背景模拟原图的客厅环境 */
            background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)), url('/img/bg.jpg') center/cover no-repeat;
            color: #fff;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .history-layout {
            display: flex;
            align-items: flex-start;
            gap: 80px;
        }

        /* 左侧标题区域：橙色方框 */
        .history-left {
            flex: 0 0 320px;
            /* 固定宽度 */
        }

        .title-box {
            border: 6px solid var(--primary-orange);
            /* 橙色粗边框 */
            padding: 40px 30px;
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            color: #fff;
            position: relative;
            font-family: 'Poppins', sans-serif;
            /* 模拟原图左侧开口或者独特的框样式，这里做全框，视觉更稳 */
            background: transparent;
        }

        /* 右侧内容区域 */
        .history-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 60px;
            /* 上下两部分的间距 */
        }

        /* 上半部分：大数字统计 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            text-align: center;
        }

        .stat-box h3 {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 10px;
            font-family: 'Poppins', sans-serif;
        }

        .stat-box h3 span {
            font-size: 16px;
            font-weight: 400;
            margin-left: 5px;
            color: #ccc;
        }

        .stat-box p {
            font-size: 14px;
            color: #bbb;
            line-height: 1.4;
            padding: 0 10px;
        }

        /* 下半部分：时间轴 */
        .timeline-row {
            position: relative;
            padding-top: 20px;
        }

        /* 那条贯穿的橙色横线 */
        .timeline-line {
            position: absolute;
            top: 0;
            left: 20px;
            right: 20px;
            height: 2px;
            background: rgba(255, 255, 255, 0.2);
            /* 浅灰色底线 */
        }

        .timeline-line::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 60%;
            /* 模拟橙色进度条 */
            height: 2px;
            background: var(--primary-orange);
        }

        .timeline-events {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            /* 对应上面的4列 */
            text-align: center;
            margin-top: -6px;
            /* 向上提，让点对准线 */
        }

        .t-event {
            position: relative;
            padding: 20px 10px 0;
        }

        /* 时间轴上的圆点 */
        .t-event::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 12px;
            height: 12px;
            background: var(--primary-orange);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(255, 102, 0, 0.2);
            /* 光晕效果 */
            z-index: 2;
        }

        /* 最后一个点可能是灰色的？根据截图通常全部点亮或部分点亮，这里设为统一 */

        .t-event span {
            display: block;
            font-size: 12px;
            color: #999;
            margin-bottom: 5px;
        }

        .t-event p {
            font-size: 12px;
            color: #ddd;
            line-height: 1.4;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .history-layout {
                flex-direction: column;
                text-align: left;
            }

            .history-left {
                width: 100%;
                text-align: center;
            }

            .title-box {
                display: inline-block;
            }

            .stats-row,
            .timeline-events {
                grid-template-columns: 1fr 2fr;
                gap: 30px;
            }

            .timeline-line {
                display: none;
            }

            /* 手机端隐藏横线 */
            .t-event::before {
                display: none;
            }
        }

        /* --- 像素级精确历史部分样式 --- */
        .title-box-pixel {
            border: 6px solid var(--primary-orange);
            padding: 45px 35px;
            font-size: 46px;
            font-weight: 900;
            line-height: 1.1;
            color: #fff;
            font-family: 'Poppins', sans-serif;
            background: transparent;
            text-align: left;
            letter-spacing: -1px;
        }

        .stats-row-pixel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 60px;
            text-align: center;
            margin-bottom: 80px;
        }

        .stat-item-pixel {
            position: relative;
        }

        .stat-number-pixel {
            font-size: 54px;
            font-weight: 900;
            margin-bottom: 8px;
            font-family: 'Poppins', sans-serif;
            color: #fff;
            line-height: 1;
            letter-spacing: -1px;
        }

        .stat-number-pixel span {
            font-size: 16px;
            font-weight: 400;
            margin-left: 6px;
            color: #ccc;
            letter-spacing: 0;
        }

        .stat-underline {
            width: 40px;
            height: 3px;
            background: var(--primary-orange);
            margin: 0 auto 15px auto;
        }

        .stat-desc-pixel {
            font-size: 14px;
            color: #ccc;
            line-height: 1.2;
            font-weight: 400;
        }

        .timeline-row-pixel {
            position: relative;
            padding-top: 30px;
        }

        .timeline-line-pixel {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: rgba(255, 255, 255, 0.2);
        }

        .timeline-line-pixel::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 75%;
            height: 3px;
            background: var(--primary-orange);
        }

        .timeline-events-pixel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
            margin-top: -8px;
        }

        .timeline-event-pixel {
            position: relative;
            padding-top: 25px;
        }

        .timeline-event-pixel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 16px;
            background: var(--primary-orange);
            border-radius: 50%;
            box-shadow: 0 0 0 6px rgba(255, 102, 0, 0.15);
            z-index: 2;
        }

        .timeline-year-pixel {
            font-size: 12px;
            color: #aaa;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .timeline-desc-pixel {
            font-size: 12px;
            color: #ddd;
            line-height: 1.3;
            font-weight: 400;
        }

        /* --- 全宽度历史部分样式 --- */
        .history-content-full {
            width: 100%;
            max-width: 1000px;
            margin: 0 auto;
        }

        .stats-row-full {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 80px;
            text-align: center;
            margin-bottom: 100px;
        }

        .stat-item-full {
            position: relative;
        }

        .stat-number-full {
            font-size: 64px;
            font-weight: 900;
            margin-bottom: 12px;
            font-family: 'Poppins', sans-serif;
            color: #fff;
            line-height: 1;
            letter-spacing: -2px;
        }

        .stat-number-full span {
            font-size: 18px;
            font-weight: 400;
            margin-left: 8px;
            color: #ccc;
            letter-spacing: 0;
        }

        .stat-underline-full {
            width: 50px;
            height: 4px;
            background: var(--primary-orange);
            margin: 0 auto 20px auto;
        }

        .stat-desc-full {
            font-size: 16px;
            color: #ccc;
            line-height: 1.3;
            font-weight: 400;
        }

        .timeline-row-full {
            position: relative;
            padding-top: 40px;
        }

        .timeline-line-full {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: rgba(255, 255, 255, 0.2);
        }

        .timeline-line-full::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 75%;
            height: 4px;
            background: var(--primary-orange);
        }

        .timeline-events-full {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 60px;
            text-align: center;
            margin-top: -10px;
        }

        .timeline-event-full {
            position: relative;
            padding-top: 30px;
        }

        .timeline-event-full::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            background: var(--primary-orange);
            border-radius: 50%;
            box-shadow: 0 0 0 8px rgba(255, 102, 0, 0.15);
            z-index: 2;
        }

        .timeline-year-full {
            font-size: 14px;
            color: #aaa;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .timeline-desc-full {
            font-size: 14px;
            color: #ddd;
            line-height: 1.4;
            font-weight: 400;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {

            .stats-row-full,
            .timeline-events-full {
                grid-template-columns: 1fr 2fr;
                gap: 40px;
            }

            .timeline-line-full,
            .timeline-line-full::after {
                display: none;
            }

            .timeline-event-full::before {
                display: none;
            }
        }

        /* --- 像素级完美还原历史部分样式 --- */
        .history-layout-perfect {
            display: flex;
            align-items: flex-start;
            gap: 70px;
        }

        .history-left-perfect {
            flex: 0 0 280px;
        }

        .title-box-perfect {
            border: 5px solid var(--primary-orange);
            padding: 42px 32px;
            font-size: 44px;
            font-weight: 900;
            line-height: 1.05;
            color: #fff;
            font-family: 'Poppins', sans-serif;
            background: transparent;
            text-align: left;
            letter-spacing: -1.5px;
        }

        .history-right-perfect {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 70px;
        }

        .stats-row-perfect {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 46px;
            text-align: center;
        }

        .stat-item-perfect {
            position: relative;
        }

        .stat-number-perfect {
            font-size: 56px;
            font-weight: 900;
            margin-bottom: 10px;
            font-family: 'Poppins', sans-serif;
            color: #fff;
            line-height: 1;
            letter-spacing: -1px;
        }

        .stat-number-perfect span {
            font-size: 16px;
            font-weight: 400;
            margin-left: 6px;
            color: #ccc;
            letter-spacing: 0;
        }

        .stat-underline-perfect {
            width: 45px;
            height: 3px;
            background: var(--primary-orange);
            margin: 0 auto 16px auto;
        }

        .stat-desc-perfect {
            font-size: 1.2rem;
            line-height: 1.4;
            color: #fff;
        }

        .timeline-row-perfect {
            position: relative;
            padding-top: 35px;
        }

        .timeline-line-perfect {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: rgba(255, 255, 255, 0.25);
        }

        .timeline-line-perfect::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--primary-orange);
        }

        .timeline-events-perfect {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 50px;
            text-align: center;
            margin-top: -8px;
        }

        .timeline-event-perfect {
            position: relative;
            padding-top: 28px;
        }

        .timeline-event-perfect::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 16px;
            background: var(--primary-orange);
            border-radius: 50%;
            box-shadow: 0 0 0 6px rgba(255, 102, 0, 0.18);
            z-index: 2;
        }

        .timeline-year-perfect {
            font-size: 13px;
            color: #aaa;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .timeline-desc-perfect {
            font-size: 13px;
            color: #ddd;
            line-height: 1.3;
            font-weight: 400;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .history-layout-perfect {
                flex-direction: column;
                text-align: center;
                gap: 50px;
            }

            .history-left-perfect {
                width: 100%;
                flex: none;
            }

            .title-box-perfect {
                display: inline-block;
                font-size: 36px;
            }
            
            .history-right-perfect {
                width: 100%;
                align-items: center;
            }

            .stats-row-perfect,
            .timeline-events-perfect {
                grid-template-columns: 1fr 2fr;
                gap: 30px;
            }
            
            .stat-item-perfect {
                text-align: center;
            }
            
            .stat-underline-perfect {
                margin: 0 auto 16px auto;
            }

            .timeline-line-perfect,
            .timeline-line-perfect::after {
                display: none;
            }

            .timeline-event-perfect::before {
                display: none;
            }
            
            .timeline-event-perfect {
                text-align: center;
            }
        }

        /* --- 6. Product Display --- */
        .product-section {
            background: #fff;
        }

        .product-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 50px;
        }

        .product-header .section-title {
            margin-bottom: 0;
        }

        .product-tabs {
            display: flex;
            gap: 10px;
        }

        .product-tabs a {
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            background: #f0f0f0;
            color: #555;
        }

        .product-tabs a.active,
        .product-tabs a:hover {
            background: var(--primary-orange);
            color: #fff;
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 30px;
        }

        .product-card {
            background: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid #f0f0f0;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }

        .product-img-wrapper {
            height: 220px;
            overflow: hidden;
        }

        .product-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .product-card:hover .product-img-wrapper img {
            transform: scale(1.1);
        }

        .product-info {
            padding: 20px;
            text-align: center;
        }

        .product-info h4 {
            font-size: 16px;
            margin-bottom: 5px;
            color: #333;
        }

        .product-info span {
            font-size: 13px;
            color: #999;
        }

        /* --- Product Section 3.0 像素级还原 --- */
        .product-section-wrapper {
            padding: 80px 0;
            background-color: #fff;
            position: relative;
        }

        /* 标题组样式 */
        .product-header-group {
            margin-bottom: 40px;
        }

        .sub-title-gray {
            color: #999;
            font-size: 14px;
            margin-bottom: 10px;
            display: block;
        }

        .main-title-black {
            font-size: 32px;
            font-weight: 900;
            color: #000;
            margin: 0;
            position: relative;
            padding-bottom: 15px;
        }

        /* 标题下方的橙色短线 */
        .main-title-black::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 120px;
            /* 根据截图比例调整 */
            height: 4px;
            background-color: #ff6600;
        }

        /* 分类导航样式 */
        .tab-container {
            display: flex;
            justify-content: flex-end;
            /* 靠右对齐 */
            border-bottom: 2px solid #e0e0e0;
            /* 整体浅灰色底线 */
            margin-bottom: 30px;
        }

        .tab-item {
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 700;
            color: #333;
            text-decoration: none;
            position: relative;
            bottom: -2px;
            /* 压在底线上 */
        }

        .tab-item.active {
            border-bottom: 4px solid #ff6600;
            /* 选中时的橙色粗底线 */
            color: #000;
        }

        /* 辅助文字 view more wrapper */
        .view-more-text {
            font-size: 14px;
            color: #888;
            margin-bottom: 25px;
            display: block;
        }

        /* 产品网格 */
        .product-grid-pixel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        .product-item-box {
            margin-bottom: 20px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border-radius: 8px;
            overflow: hidden;
            background: #fff;
        }
        
        .product-item-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

        .img-container-sq {
            aspect-ratio: 1 / 1;
            /* 强制 1:1 正方形 */
            overflow: hidden;
            background: #f5f5f5;
        }

        .img-container-sq img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        
        .product-item-box:hover .img-container-sq img {
            transform: scale(1.05);
        }

        .p-title-bold {
            font-size: 15px;
            font-weight: 700;
            color: #000;
            margin-bottom: 5px;
            display: block;
            padding: 15px 15px 5px 15px;
            line-height: 1.4;
        }

        .p-desc-light {
            font-size: 13px;
            color: #999;
            display: block;
            padding: 0 15px 15px 15px;
        }

        /* 右侧悬浮图标 */
        .side-float-bar {
            position: fixed;
            right: 20px;
            top: 60%;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .float-circle {
            width: 45px;
            height: 45px;
            background-color: #ff6600;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

        /* --- 7. FAQ Section --- */
        /* --- FAQ Section 像素级还原样式 --- */
        .faq-outer-container {
            display: flex;
            width: 100%;
            min-height: 650px;
            /* 根据截图比例设定 */
            background-color: #f4f4f4;
            /* 右侧背景色 */
            margin-top: 50px;
        }

        /* 左侧大图：占据约 40%-45% 宽度 */
        .faq-left-image {
            flex: 0 0 42%;
            background: url('/img/faq-bg.jpg') center/cover no-repeat;
        }

        /* 右侧内容区 */
        .faq-right-content {
            flex: 1;
            padding: 60px 80px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .faq-title-area {
            margin-bottom: 40px;
        }

        .faq-main-title {
            font-size: 36px;
            font-weight: 900;
            color: #000;
            margin: 0;
            position: relative;
            padding-bottom: 15px;
            font-family: 'Poppins', sans-serif;
        }

        /* 标题下方的橙色短横线 */
        .faq-main-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background-color: #ff6600;
        }

        /* FAQ 列表条目 */
        .faq-list-wrapper {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .faq-item-row {
            display: flex;
            align-items: flex-start;
            gap: 25px;
        }

        /* 图标样式：使用图片或矢量图标 */
        .faq-icon-box {
            flex: 0 0 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-icon-box img,
        .faq-icon-box i {
            width: 100%;
            height: auto;
            font-size: 32px;
            color: #333;
            /* 截图图标为深色线条感 */
        }

        /* 文字内容 */
        .faq-text-column {
            flex: 1;
        }

        .faq-item-h5 {
            font-size: 18px;
            font-weight: 800;
            color: #000;
            margin: 0 0 8px 0;
            font-family: 'Poppins', sans-serif;
        }

        .faq-item-p {
            font-size: 13px;
            line-height: 1.6;
            color: #444;
            margin: 0;
        }

        /* 移动端适配 */
        @media (max-width: 992px) {
            .faq-outer-container {
                flex-direction: column;
            }

            .faq-left-image {
                height: 300px;
                flex: none;
                width: 100%;
            }

            .faq-right-content {
                padding: 40px 20px;
            }
        }

        /* --- 8. Latest News --- */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 40px;
        }

        .news-item {
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

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

        .news-img {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }

        .news-content {
            padding: 25px;
        }

        .news-date {
            display: inline-block;
            background: var(--primary-orange);
            color: #fff;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 15px;
        }

        .news-content h5 {
            font-size: 18px;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-content p {
            font-size: 14px;
            color: #777;
            margin-bottom: 0;
        }

        /* --- News Section 像素级还原 --- */
        .news-section-pixel {
            padding: 80px 0;
            background-color: #fff;
            text-align: center;
        }

        .news-header {
            margin-bottom: 50px;
        }

        .news-sub-title {
            color: #999;
            font-size: 14px;
            display: block;
            margin-bottom: 10px;
        }

        .news-main-title {
            font-size: 32px;
            font-weight: 900;
            color: #000;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        /* 标题下方的橙色短横线 */
        .news-main-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: #ff6600;
        }

        /* 新闻内容容器 */
        .news-slider-container {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 50px;
            min-height: 400px;
        }

        /* 单个新闻卡片 */
        .news-card-item {
            flex: 1;
            max-width: 380px;
            text-align: left;
            display: block;
            /* 默认显示，JS会控制切换 */
        }

        .news-img-box {
            width: 100%;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            margin-bottom: 20px;
            background: #eee;
        }

        .news-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-date-text {
            font-size: 12px;
            color: #999;
            margin-bottom: 12px;
            display: block;
        }

        .news-h4-title {
            font-size: 16px;
            font-weight: 800;
            line-height: 1.5;
            color: #000;
            margin-bottom: 10px;
        }

        /* 底部条状指示器容器 */
        .news-pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 20px;
        }

        /* 单个短条样式 */
        .pag-bar {
            width: 30px;
            height: 4px;
            background-color: #333;
            /* 默认深黑色/深灰色 */
            cursor: pointer;
            transition: 0.3s;
        }

        .pag-bar.active {
            background-color: #ff6600;
            /* 选中时为橙色 */
        }

        /* --- 9. Map & Callback --- */
        .map-section {
            position: relative;
            height: 550px;
            background: url('/img/map.jpg') center/cover;
        }

        .contact-form-wrapper {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(255, 255, 255, 0.95);
            padding: 50px;
            width: 450px;
            border-radius: 10px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
            text-align: center;
            backdrop-filter: blur(5px);
        }

        .contact-form-wrapper h3 {
            margin-bottom: 25px;
            font-size: 24px;
        }

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

        .form-input {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            background: #f9f9f9;
            font-family: inherit;
            font-size: 14px;
            outline: none;
            transition: 0.3s;
        }

        .form-input:focus {
            border-color: var(--primary-orange);
            background: #fff;
        }

        .submit-btn {
            background: #111;
            color: #fff;
            width: 100%;
            padding: 15px;
            border: none;
            cursor: pointer;
            font-weight: 700;
            text-transform: uppercase;
            border-radius: 5px;
            transition: 0.3s;
        }

        .submit-btn:hover {
            background: var(--primary-orange);
        }

        /* --- 10. Footer --- */
        footer {
            background: #111;
            color: #fff;
            padding: 80px 0 30px;
            font-size: 14px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 100px;
            padding-bottom: 50px;
            /* border-bottom: 1px solid #333; */
        }

        .footer-col h4 {
            color: #fff;
            margin-bottom: 25px;
            font-size: 18px;
            position: relative;
            display: inline-block;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -8px;
            width: 30px;
            height: 2px;
            background: var(--primary-orange);
        }

        .footer-col:last-child {
            text-align: left;
            margin-left: auto;
            max-width: 500px;
            padding-left: 250px;
        }

        .footer-col:last-child h4 {
            display: inline-block;
        }

        .footer-col:last-child .footer-info-item {
            justify-content: flex-start;
            align-items: flex-start;
        }

        .footer-col:last-child .footer-info-item span {
            word-wrap: break-word;
            word-break: break-word;
            white-space: normal;
        }

        .footer-info-item {
            display: flex;
            margin-bottom: 15px;
            gap: 15px;
            color: #aaa;
        }

        .footer-info-item i {
            color: var(--primary-orange);
            margin-top: 4px;
        }

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

        .social-icons a {
            width: 36px;
            height: 36px;
            background: #333;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: 0.3s;
            color: #fff;
        }

        .social-icons a:hover {
            background: var(--primary-orange);
            transform: rotate(360deg);
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            color: #666;
            font-size: 13px;
        }

        /* Responsive Fix */
        @media (max-width: 992px) {

            .about-section,
            .history-grid,
            .faq-container,
            .footer-top {
                display: block;
            }

            .history-grid {
                display: grid;
                grid-template-columns: 1fr 2fr;
                gap: 20px;
            }

            .history-title {
                grid-column: span 2;
                margin-bottom: 30px;
            }

            .about-image {
                margin-top: 30px;
            }

            .faq-image {
                min-height: 300px;
                width: 100%;
            }
        }

        /* --- News 模块：连贯居中与放大样式 --- */
        .news-section-pixel {
            padding: 80px 0;
            background-color: #fff;
            overflow: hidden;
            /* 防止放大时出现水平滚动条 */
        }

        /* 滚动容器：必须设置 padding 以便首尾图片居中 */
        .news-slider-wrapper {
            display: flex;
            overflow-x: auto;
            scroll-behavior: smooth;
            scroll-snap-type: x mandatory;
            /* 计算公式：(容器宽度 - 图片宽度) / 2 */
            padding: 40px calc(50% - 190px);
            gap: 40px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .news-slider-wrapper::-webkit-scrollbar {
            display: none;
        }

        /* 单个卡片：默认缩小并变淡 */
        .news-card-item {
            flex: 0 0 380px;
            /* 固定图片宽度 */
            scroll-snap-align: center;
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0.4;
            transform: scale(0.85);
            /* 非选中状态缩小 */
            text-align: center;
            cursor: pointer;
        }

        /* 选中状态：在中心位置放大并加深颜色 */
        .news-card-item.active {
            opacity: 1;
            transform: scale(1.1);
            /* 选中时放大 */
            z-index: 2;
        }

        .news-img-box {
            width: 100%;
            aspect-ratio: 4 / 3;
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .news-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-h4-title {
            font-size: 18px;
            font-weight: 800;
            color: #000;
            margin: 15px 0;
            line-height: 1.4;
            /* 默认隐藏文字，只有选中的才显示完整，或者弱化非选中的文字 */
            transition: 0.3s;
        }

        /* 指示器样式 */
        .news-pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            margin-top: 40px;
        }

        .dot {
            width: 40px;
            height: 4px;
            background-color: #e0e0e0;
            cursor: pointer;
            transition: 0.3s;
        }

        .dot.active {
            background-color: #ff6600;
        }

        .mbx {
            font-size: 1rem;
            color: #4d4d4d;
            font-family: 'roboto-bold';
            background: #eee;
            padding: 1.5rem 0;
            margin-bottom: 2rem;
        }

        /* 悬浮侧边栏 */
        .float-sidebar {
            position: fixed;
            right: 0;
            top: 40%;
            z-index: 1001;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .float-btn {
            width: 45px;
            height: 45px;
            background-color: #ff6600;
            color: #fff;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 20px;
            cursor: pointer;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
            margin-right: 10px;
            transition: transform 0.3s ease;
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        /* Footer social media icon hover effect */
        footer a:hover {
            color: #ff6600 !important;
        }
    


/* ========================================
   Index 页面响应式优化
   ======================================== */

/* 平板及以下 (< 1024px) */
@media (max-width: 1024px) {
    /* Hero 轮播 */
    .hero {
        height: 500px;
    }
    
    .hero h1 {
        font-size: 42px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    /* About Section */
    .about-flex-container {
        gap: 40px;
    }
    
    .about-image-right {
        padding: 20px;
    }
    
    /* 历史时间轴 */
    .stats-row-perfect {
        gap: 30px;
    }
    
    .stat-number-perfect {
        font-size: 48px;
    }
    
    .timeline-events-perfect {
        gap: 30px;
    }
    
    /* 产品展示 */
    .product-section-wrapper {
        padding: 70px 0;
    }
    
    .product-header-group {
        margin-bottom: 30px;
    }
    
    .tab-container {
        justify-content: center;
        gap: 12px;
        margin-bottom: 25px;
    }
    
    .tab-item {
        padding: 12px 24px;
        font-size: 14px;
        border-radius: 25px;
    }
    
    .product-grid-pixel {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    /* FAQ */
    .faq-list-wrapper {
        padding: 0 20px;
    }
}

/* 手机端 (< 640px) */
@media (max-width: 640px) {
    /* Hero 轮播 */
    .hero {
        height: 400px;
        padding: 0;
    }
    
    .hero-content {
        padding: 0 20px;
    }
    
    .hero h1 {
        font-size: 28px;
        margin-bottom: 15px;
    }
    
    .hero p {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .hero .btn {
        padding: 10px 25px;
        font-size: 12px;
    }
    
    /* About Section */
    .about-main-title {
        font-size: 28px;
        margin-bottom: 20px;
    }
    
    .about-description {
        font-size: 13px;
        margin-bottom: 20px;
    }
    
    .about-image-right {
        padding: 15px;
    }
    
    /* 历史部分 */
    .history-section {
        padding: 60px 0;
    }
    
    .history-layout-perfect {
        gap: 40px;
    }
    
    .title-box-perfect {
        font-size: 32px;
        padding: 30px 20px;
        border-width: 4px;
        text-align: center;
    }
    
    .history-right-perfect {
        width: 100%;
        gap: 40px;
    }
    
    .stats-row-perfect {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 40px;
        text-align: center;
    }
    
    .stat-item-perfect {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .stat-number-perfect {
        font-size: 40px;
    }
    
    .stat-underline-perfect {
        margin: 0 auto 16px auto;
    }
    
    .stat-desc-perfect {
        font-size: 13px;
        text-align: center;
    }
    
    .timeline-row-perfect {
        text-align: center;
    }
    
    .timeline-events-perfect {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .timeline-event-perfect {
        text-align: center;
    }
    
    .timeline-line-perfect,
    .timeline-line-perfect::after {
        display: none;
    }
    
    .timeline-event-perfect::before {
        display: none;
    }
    
    /* 产品展示 */
    /* 产品展示 */
    .product-section-wrapper {
        padding: 50px 0;
    }
    
    .product-header-group {
        margin-bottom: 25px;
        text-align: center;
    }
    
    .sub-title-gray {
        font-size: 11px;
        display: block;
        margin-bottom: 8px;
    }
    
    .main-title-black {
        font-size: 26px;
        margin-bottom: 25px;
    }
    
    /* Tab 容器 - 横向滚动设计 */
    .tab-container {
        display: flex;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 8px;
        margin-bottom: 20px;
        border-bottom: 2px solid #f0f0f0;
        padding: 0 15px 10px 15px;
        justify-content: flex-start;
    }
    
    .tab-container::-webkit-scrollbar {
        display: none;
    }
    
    .tab-item {
        padding: 10px 20px;
        font-size: 13px;
        border: none;
        border-radius: 20px;
        background: #f5f5f5;
        color: #666;
        bottom: 0;
        flex: 0 0 auto;
        white-space: nowrap;
        transition: all 0.3s ease;
        font-weight: 600;
    }
    
    .tab-item.active {
        background: #ff6600;
        color: #fff;
        border: none;
        box-shadow: 0 2px 8px rgba(255, 102, 0, 0.3);
    }
    
    .view-more-text {
        font-size: 13px;
        text-align: center;
        margin-bottom: 20px;
        display: block;
    }
    
    .view-more-text a {
        color: #ff6600;
        text-decoration: none;
        font-weight: 600;
    }
    
    .product-grid-pixel {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 0 15px;
    }
    
    .product-item-box {
        background: #fff;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    
    .product-item-box:active {
        transform: scale(0.98);
    }
    
    .img-container-sq {
        aspect-ratio: 1;
        overflow: hidden;
        background: #f8f8f8;
    }
    
    .img-container-sq img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .p-title-bold {
        font-size: 13px;
        line-height: 1.4;
        padding: 10px 10px 5px 10px;
        display: block;
        font-weight: 600;
    }
    
    .p-desc-light {
        font-size: 11px;
        padding: 0 10px 10px 10px;
        display: block;
        color: #999;
    }
    
    /* FAQ */
    .faq-outer-container {
        padding: 40px 0;
    }
    
    .faq-main-title {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    .faq-item-row {
        flex-direction: column;
        gap: 15px;
        padding: 20px 15px;
    }
    
    .faq-icon-box {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .faq-item-h5 {
        font-size: 15px;
    }
    
    .faq-item-p {
        font-size: 13px;
    }
    
    /* 新闻轮播 */
    .news-section-pixel {
        padding: 40px 0;
    }
    
    .news-main-title {
        font-size: 28px;
    }
    
    .news-slider-wrapper {
        gap: 15px;
    }
    
    .news-card-item {
        min-width: 280px;
    }
    
    .news-h4-title {
        font-size: 14px;
    }
    
    .news-date-text {
        font-size: 11px;
    }
}

/* 超小屏幕 (< 480px) */
@media (max-width: 480px) {
    .product-grid-pixel {
        grid-template-columns: 1fr;
    }
    
    .news-card-item {
        min-width: 250px;
    }
}