/* 全局重置与基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
            border-radius: 0 !important; /* 强制直角，无圆角 */
            box-shadow: none !important; /* 无阴影 */
        }

        :root {
            --primary-orange: #fc770e;
            --primary-green: #3f6d50;
            --gray-light: #e5e5e5;
            --gray: #ccc;
            --text-dark: #333;
            --text-light: #666;
            --white: #ffffff;
            --max-width: 1500px;
            --transition-default: all 0.4s ease; /* 统一过渡效果 */
        }

        body {
            background-color: var(--white);
            color: var(--text-dark);
            line-height: 1.6;
        }

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

        /* 全局动画类 */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: var(--transition-default);
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 标题通用样式（带分割线+logo） */
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
            opacity: 0;
            transform: translateY(20px);
            transition: var(--transition-default);
        }

        .section-title.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .section-title h2 {
            font-size: 2.2rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .section-title p {
            font-size: 1rem;
            color: var(--text-light);
            max-width: 800px;
            margin: 0 auto;
        }

        .title-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 20px 0;
        }

        .title-divider .line {
            width: 100px;
            height: 1px;
            background-color: var(--gray);
            transition: width 0.4s ease;
        }

        .section-title:hover .title-divider .line {
            width: 150px;
        }

        /* 修改：增强Logo背景透明处理 */
        .title-divider .logo {
            width: 40px;
            height: auto;
            margin: 0 10px;
            transition: transform 0.4s ease;
            background: transparent !important;
            /* 添加滤镜处理白色背景 */
            filter: brightness(0) saturate(100%) invert(24%) sepia(14%) saturate(1322%) hue-rotate(94deg) brightness(92%) contrast(89%);
        }

        .section-title:hover .title-divider .logo {
            transform: rotate(5deg) scale(1.1);
        }

        /* 通用间距 */
        section {
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        /* 1. Banner区域 */
        .banner {
            width: 100%;
            padding: 0;
        }

        .banner img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.8s ease;
        }

        .banner:hover img {
            transform: scale(1.02);
        }

        /* 2. 栏目一：核心优势 */
        .advantages {
            background-color: var(--white);
        }

        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-top: 40px;
        }

        .advantage-card {
            text-align: center;
            padding: 20px;
            border: 1px solid var(--gray-light);
            transition: var(--transition-default);
            opacity: 0;
            transform: translateY(30px);
        }

        .advantage-card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .advantage-card:hover {
            transform: translateY(-10px);
            border-color: var(--primary-green);
            box-shadow: 0 5px 15px rgba(0,0,0,0.05) !important;
        }

        .advantage-card .icon {
            font-size: 2.5rem;
            color: var(--primary-green);
            margin-bottom: 20px;
            transition: var(--transition-default);
        }

        .advantage-card:hover .icon {
            color: var(--primary-orange);
            transform: scale(1.1);
        }

        .advantage-card h3 {
            font-size: 1.4rem;
            color: var(--primary-orange);
            margin-bottom: 15px;
            transition: var(--transition-default);
        }

        .advantage-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            transition: var(--transition-default);
        }

        .advantage-card.text-left p {
            text-align: left;
            max-width: 260px;
            margin: 0 auto;
        }

        /* 3. 栏目二：7天定制流程 */
        .custom-process {
            background-color: var(--white);
        }

        .process-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            /* 修改：减小图片和文字之间的间距，让图片更靠近文字 */
            gap: 20px;
            /* 调整容器内边距，让整体布局更合理 */
            padding-left: 20px;
        }

        .process-img {
            flex: 1;
            min-width: 300px;
            opacity: 0;
            transform: translateX(145px); /* 修改：原-30px + 175px = 145px，实现向右移动175px */
            transition: var(--transition-default);
            /* 修改：调整margin，配合位移 */
            margin-right: -20px;
            /* 新增：确保位移后不影响其他布局 */
            position: relative;
        }

        .process-img.visible {
            opacity: 1;
            transform: translateX(175px); /* 修改：向右移动175px */
        }

        /* 修改1：定制流程图片宽度固定为410px，等比缩放 */
        .process-img img {
            width: 410px;
            height: auto;
            display: block;
            max-width: 100%; /* 保证移动端适配 */
            transition: var(--transition-default);
            /* 保持图片原始比例 */
            object-fit: contain;
        }

        .process-img:hover img {
            transform: scale(1.03);
        }

        .process-content {
            flex: 1.2; /* 调整文字区域占比，让布局更协调 */
            min-width: 300px;
            opacity: 0;
            transform: translateX(30px);
            transition: var(--transition-default);
        }

        .process-content.visible {
            opacity: 1;
            transform: translateX(0);
        }

        .process-content h3 {
            font-size: 1.6rem;
            color: var(--primary-green);
            margin-bottom: 20px;
            transition: var(--transition-default);
        }

        .process-content h3:hover {
            color: var(--primary-orange);
        }

        .process-content ul {
            list-style: none;
            margin-bottom: 30px;
        }

        .process-content li {
            margin-bottom: 15px;
            font-size: 1rem;
            color: var(--text-dark);
            position: relative;
            padding-left: 25px;
            transition: var(--transition-default);
        }

        .process-content li:hover {
            padding-left: 30px;
        }

        .process-content li::before {
            content: "√";
            position: absolute;
            left: 0;
            color: var(--primary-orange);
            font-weight: bold;
            transition: var(--transition-default);
        }

        .process-content li:hover::before {
            transform: scale(1.2);
        }

        .process-content .highlight {
            font-size: 1.6rem;
            font-weight: bold;
            color: var(--primary-green);
            margin-bottom: 10px;
            transition: var(--transition-default);
        }

        .process-content .highlight:hover {
            color: var(--primary-orange);
        }

        /* 4. 栏目三：Customize标题栏 */
        .customize {
            background-color: var(--gray-light);
            text-align: center;
            padding: 60px 0;
            transition: background-color 0.4s ease;
        }

        .customize:hover {
            background-color: #f0f0f0;
        }

        /* 5. 栏目四：生产与质量体系 */
        .manufacturing {
            background-color: var(--white);
        }

        /* 修改：Lean production & Automation 有设计感的样式 */
        .production-grid {
            display: flex;
            flex-direction: column;
            gap: 60px;
            margin-bottom: 60px;
        }

        .production-item {
            padding: 0;
            border: none;
            background: transparent;
            transition: var(--transition-default);
            opacity: 0;
            transform: translateY(30px);
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: flex-start;
            gap: 48px;
        }

        .production-item.content-right {
            flex-direction: row-reverse;
        }

        .production-content {
            flex: 1;
            position: relative;
            z-index: 1;
        }

        .production-content h3 {
            font-size: 28px;
            font-weight: 300;
            color: var(--text-dark);
            margin-bottom: 32px;
            letter-spacing: 2px;
            text-transform: uppercase;
            transition: var(--transition-default);
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--gray-light);
            display: flex;
            align-items: baseline;
            gap: 20px;
            transition: all 0.3s ease;
        }

        .feature-item:first-child {
            border-top: 1px solid var(--gray-light);
        }

        .feature-item:hover {
            padding-left: 10px;
        }

        .feature-num {
            font-size: 14px;
            color: var(--primary-orange);
            font-weight: 600;
            letter-spacing: 1px;
            min-width: 30px;
        }

        .feature-text {
            font-size: 17px;
            color: var(--text-dark);
            line-height: 1.6;
            flex: 1;
        }

        .feature-highlight {
            color: var(--primary-green);
            font-weight: 600;
        }

        .production-imgs {
            flex: 1;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2px;
            min-width: 400px;
            position: relative;
            z-index: 1;
        }

        .production-imgs img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: var(--transition-default);
        }

        .production-imgs img:hover {
            transform: scale(1.05);
        }

        .production-item.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Lean Production 图片向下移动对齐 */
        .lean-production-item .production-imgs {
            margin-top: 60px;
        }

        /* 质量体系样式（参考图2） */
        .quality-system {
            margin-bottom: 60px;
            background-color: var(--gray-light);
            padding: 40px;
            transition: var(--transition-default);
        }

        .quality-system:hover {
            background-color: #f0f0f0;
        }

        .quality-system h3 {
            font-size: 1.5rem;
            color: var(--primary-green);
            margin-bottom: 30px;
            text-align: center;
            transition: var(--transition-default);
        }

        .quality-system:hover h3 {
            color: var(--primary-orange);
        }

        .quality-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .quality-item {
            background-color: var(--primary-green);
            color: var(--white);
            padding: 30px 20px;
            text-align: center;
            transition: var(--transition-default);
            opacity: 0;
            transform: scale(0.95);
        }

        .quality-item.visible {
            opacity: 1;
            transform: scale(1);
        }

        .quality-item:hover {
            transform: translateY(-8px);
            background-color: #4a7d5e;
        }

        .quality-item .icon {
            font-size: 2rem;
            margin-bottom: 15px;
            opacity: 0.8;
            transition: var(--transition-default);
        }

        .quality-item:hover .icon {
            opacity: 1;
            transform: scale(1.1);
        }

        .quality-item p {
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* 品牌客户Logo */
        .brand-logos {
            margin-top: 40px;
        }

        .brand-logos h3 {
            font-size: 1.5rem;
            color: var(--primary-green);
            margin-bottom: 30px;
            text-align: center;
            transition: var(--transition-default);
        }

        .brand-logos:hover h3 {
            color: var(--primary-orange);
        }

        .logos-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .logos-grid img {
            width: 100%;
            height: 80px;
            object-fit: contain;
            background-color: var(--white);
            padding: 10px;
            border: 1px solid var(--gray-light);
            transition: var(--transition-default);
            opacity: 0;
            transform: scale(0.9);
        }

        .logos-grid img.visible {
            opacity: 1;
            transform: scale(1);
        }

        /* 修改：Brand logo只等比放大，不改变边框颜色 */
        .logos-grid img:hover {
            transform: scale(1.05);
            /* 移除边框颜色变化 */
            border-color: var(--gray-light);
        }

        /* 6. 栏目五：特色产品 */
        .featured-products {
            background-color: var(--white);
            padding-left: 0;
            padding-right: 0; /* 移除左右内边距，实现全屏 */
        }

        /* 修改2：Featured Products 图片全屏显示 */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            width: 100vw; /* 视口宽度100% */
            margin-left: calc(-50vw + 50%); /* 居中全屏 */
        }

        .products-grid img {
            width: 100%;
            height: auto;
            aspect-ratio: 1/1;
            object-fit: cover;
            display: block;
            transition: var(--transition-default);
            opacity: 0;
            transform: scale(0.95);
        }

        .products-grid img.visible {
            opacity: 1;
            transform: scale(1);
        }

        .products-grid img:hover {
            transform: scale(1.05);
            opacity: 0.95;
        }

        /* 7. 栏目六：产品分类 */
        .product-categories {
            background-color: var(--white);
            padding-left: 0;
            padding-right: 0; /* 移除左右内边距，实现全屏 */
        }

        /* 修改3：Product Categories 图片全屏显示 */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
            width: 100vw; /* 视口宽度100% */
            margin-left: calc(-50vw + 50%); /* 居中全屏 */
        }

        .category-item {
            position: relative;
            overflow: hidden;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .category-item.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 修改：Product Categories图片保持原始比例，小屏幕等比缩小 */
        .category-item img {
            width: 100%;
            /* 移除固定高度，保持原始比例 */
            height: auto;
            /* 保持图片原始宽高比 */
            object-fit: cover;
            display: block;
            transition: all 0.5s ease;
        }

        /* 修改4：Product Categories 文字样式重构 */
        .category-item .category-name {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%); /* 居中显示 */
            color: var(--white);
            font-size: 1.2rem;
            font-weight: bold;
            opacity: 0; /* 默认隐藏 */
            transition: all 0.5s ease;
            text-align: center;
            padding-bottom: 5px;
            border-bottom: 2px solid var(--white); /* 文字下横线 */
        }

        /* 修改5：鼠标悬停效果 - 图片变暗，文字显示 */
        .category-item:hover img {
            transform: scale(1.08);
            filter: brightness(0.5); /* 图片变暗 */
        }

        .category-item:hover .category-name {
            opacity: 1; /* 显示文字 */
            padding: 8px 15px;
            transform: translate(-50%, -50%) scale(1.1);
        }

        /* 8. 栏目七：FAQ - 极简风格重构 */
        .faq {
            background-image: url('https://bsg-i.nbxc.com/themes/style/b7f4da1004ccfc6e2feac73940299429.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            padding: 80px 0;
            position: relative;
        }

        /* 修改：半透明白色蒙版，让背景图片可见 */
        .faq::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: var(--white);
            opacity: 0.95;
            z-index: 1;
        }

        /* 让FAQ内容在遮罩层上方显示 */
        .faq .wrapper {
            position: relative;
            z-index: 2;
        }

        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }

        /* 极简FAQ样式 */
        .faq-item {
            border: none;
            border-bottom: 1px solid #f0f0f0; /* 极简分隔线 */
            margin-bottom: 0;
            background-color: transparent; /* 透明背景 */
            transition: var(--transition-default);
            opacity: 0;
            transform: translateY(15px);
        }

        .faq-item.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            padding: 20px 0;
            font-size: 1rem;
            font-weight: 400;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-dark);
            background-color: transparent;
            transition: var(--transition-default);
        }

        .faq-question:hover {
            color: var(--primary-orange);
            padding-left: 5px;
        }

        .faq-question::after {
            content: "+"; /* 极简加号图标 */
            font-size: 1.4rem;
            color: var(--primary-orange);
            transition: transform 0.3s ease;
            font-weight: 300;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-answer {
            padding: 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-answer p {
            padding: 0 0 20px 0; /* 极简内边距 */
            border-top: none; /* 移除上边框 */
        }

        .faq-answer .highlight {
            color: var(--primary-orange);
            font-weight: 500;
            margin-top: 10px;
            display: block;
            font-size: 0.9rem;
        }

        /* 激活状态（展开） */
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0;
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg); /* 加号变叉号 */
        }

        /* 移动端响应式适配 */
        @media (max-width: 1200px) {
            .logos-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .products-grid, .categories-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            /* 移动端Product Categories图片自适应高度 */
            .category-item img {
                height: 300px;
            }
            
            /* 移动端调整生产图片高度 */
            .production-imgs img {
                height: 150px;
            }
        }

        @media (max-width: 768px) {
            .section-title h2 {
                font-size: 1.8rem;
            }

            .advantages-grid, .production-grid {
                flex-direction: column;
            }

            .production-item {
                flex-direction: column !important;
            }

            .production-imgs {
                min-width: 100%;
            }

            .logos-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .products-grid, .categories-grid {
                grid-template-columns: 1fr;
            }

            .quality-grid {
                grid-template-columns: 1fr;
            }

            .process-container {
                flex-direction: column;
                padding-left: 0;
            }
            
            .process-img {
                margin-right: 0;
                width: 100%;
                /* 移动端重置位移，避免布局错乱 */
                transform: translateX(0) !important;
            }
            
            /* 移动端定制流程图片自适应 */
            .process-img img {
                width: 100%;
                max-width: 410px;
            }

            section {
                padding: 40px 0;
            }
            
            .faq-question {
                padding: 15px 0;
                font-size: 0.95rem;
            }
            
            /* 移动端Product Categories图片进一步缩小 */
            .category-item img {
                height: 250px;
            }
            
            /* 移动端调整生产图片高度 */
            .production-imgs img {
                height: 120px;
            }
        }

        @media (max-width: 480px) {
            .logos-grid {
                grid-template-columns: 1fr;
            }

            .title-divider .line {
                width: 50px;
            }

            /* 小屏幕Product Categories图片最小高度 */
            .category-item img {
                height: 200px;
            }
            
            /* 小屏幕调整生产图片高度 */
            .production-imgs img {
                height: 100px;
            }
        }

        /* 底部样式 */
        .footer {
            background-color: #271a1c;
            padding: 40px 0 30px;
            color: #ffffff;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1.2fr;
            gap: 60px;
        }

        .footer-section h3 {
            color: #ffffff;
            font-size: 1.3rem;
            margin-bottom: 25px;
            font-weight: 600;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-section h3::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: #77333e;
        }

        .footer-contact p {
            margin-bottom: 12px;
            font-size: 0.95rem;
            color: #cccccc;
            line-height: 1.6;
        }

        .footer-contact p strong {
            color: #ffffff;
        }

        .social-icons {
            display: flex;
            gap: 15px;
            margin-top: 25px;
        }

        .social-icons a {
            width: 40px;
            height: 40px;
            background-color: #77333e;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.1rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .social-icons a:hover {
            background-color: #ffffff;
            color: #77333e;
            transform: translateY(-3px);
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #cccccc;
            text-decoration: none;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            display: inline-block;
        }

        .footer-links a:hover {
            color: #77333e;
            padding-left: 5px;
        }

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

        .footer-form input,
        .footer-form textarea {
            width: 100%;
            padding: 12px 15px;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }

        .footer-form input::placeholder,
        .footer-form textarea::placeholder {
            color: #999999;
        }

        .footer-form input:focus,
        .footer-form textarea:focus {
            outline: none;
            border-color: #77333e;
            background-color: rgba(255, 255, 255, 0.15);
        }

        .footer-form textarea {
            min-height: 100px;
            resize: vertical;
        }

        .footer-form button {
            width: 100%;
            padding: 12px 30px;
            background-color: #77333e;
            color: #ffffff;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .footer-form button:hover {
            background-color: #8b4450;
            transform: translateY(-2px);
        }

        .footer-bottom {
            margin-top: 30px;
            padding-top: 15px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.9rem;
            color: #999999;
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .footer-form-section {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer {
                padding: 30px 0 20px;
            }
        }