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            <title>管之美[官网]-GZM管之美为全球铝材制造企业打造数字化工厂</title>
            <meta name="description" content="管之美（GZM）是佛山市管之美软件有限公司旗下专注铝型材行业的数字化管理平台，提供管之美美·智链ERP、管之美美·智造MES、管之美美·智视BI、管之美美·移动APP、管之美美·灵搭低代码平台，助力铝型材工厂实现智能制造与数字化转型。">
            <meta name="keywords" content="管之美,GZM,管之美软件,管之美ERP,佛山市管之美软件,GZM管之美,管之美铝型材ERP,管之美美·智造MES,管之美美·智视BI,管之美美·移动APP,管之美美·灵搭低代码平台,铝型材ERP系统,铝型材MES系统,铝型材BI系统,铝型材APP移动应用,铝型材低代码平台,铝型材生产管理系统,铝型材车间管理系统,铝型材质量管理系统,铝型材生产企业ERP系统升级,铝型材加工企业MES系统优化,铝型材销售企业BI系统定制,铝型材贸易企业APP开发,铝型材制造企业低代码平台搭建,铝型材工厂企业生产管理系统集成,铝型材工厂企业车间管理系统升级,铝型材产业园ERP系统定制,铝型材工业园区MES系统实施,铝型材产业集群BI系统开发">
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                    color: var(--text-primary);
                }

                /* 搜索界面 */
                .search-overlay {
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background: rgba(10, 14, 26, 0.95);
                    backdrop-filter: blur(10px);
                    z-index: 9999;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    opacity: 0;
                    visibility: hidden;
                    transition: all 0.4s ease;
                }

                .search-overlay.active {
                    opacity: 1;
                    visibility: visible;
                }

                .search-container {
                    position: relative;
                    width: 100%;
                    max-width: 800px;
                    padding: 0 40px;
                }

                .search-close {
                    position: absolute;
                    top: -80px;
                    right: 40px;
                    width: 50px;
                    height: 50px;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    cursor: pointer;
                    color: var(--text-secondary);
                    transition: all 0.3s ease;
                    border-radius: 50%;
                }

                .search-close:hover {
                    color: var(--primary);
                    background: rgba(255, 255, 255, 0.1);
                    transform: rotate(90deg);
                }

                .search-content {
                    text-align: center;
                }

                .search-title {
                    font-size: 48px;
                    font-weight: 700;
                    color: var(--text-primary);
                    margin-bottom: 40px;
                    letter-spacing: 4px;
                }

                .search-input-wrapper {
                    position: relative;
                    display: flex;
                    align-items: center;
                    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
                    transition: border-color 0.3s ease;
                }

                .search-input-wrapper:focus-within {
                    border-color: var(--primary);
                }

                .search-input {
                    flex: 1;
                    background: transparent;
                    border: none;
                    outline: none;
                    padding: 20px 60px 20px 0;
                    font-size: 24px;
                    color: var(--text-primary);
                    font-family: inherit;
                }

                .search-input::placeholder {
                    color: rgba(255, 255, 255, 0.4);
                }

                .search-btn {
                    position: absolute;
                    right: 0;
                    width: 50px;
                    height: 50px;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    background: transparent;
                    border: none;
                    color: var(--text-secondary);
                    cursor: pointer;
                    transition: color 0.3s ease;
                }

                .search-btn:hover {
                    color: var(--primary);
                }

                .search-hot {
                    margin-top: 40px;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    flex-wrap: wrap;
                    gap: 12px;
                }

                .hot-label {
                    font-size: 14px;
                    color: var(--text-secondary);
                }

                .hot-tag {
                    padding: 8px 20px;
                    background: rgba(255, 255, 255, 0.05);
                    border: 1px solid rgba(255, 255, 255, 0.1);
                    border-radius: 20px;
                    font-size: 14px;
                    color: var(--text-secondary);
                    text-decoration: none;
                    transition: all 0.3s ease;
                }

                .hot-tag:hover {
                    background: var(--primary);
                    border-color: var(--primary);
                    color: white;
                }

                .search-results {
                    margin-top: 40px;
                    max-height: 50vh;
                    overflow-y: auto;
                    padding-right: 10px;
                }

                .search-results::-webkit-scrollbar {
                    width: 6px;
                }

                .search-results::-webkit-scrollbar-track {
                    background: rgba(255, 255, 255, 0.05);
                    border-radius: 3px;
                }

                .search-results::-webkit-scrollbar-thumb {
                    background: var(--primary);
                    border-radius: 3px;
                }

                .search-result-item {
                    padding: 20px 24px;
                    background: rgba(17, 24, 39, 0.6);
                    border: 1px solid rgba(255, 255, 255, 0.08);
                    border-radius: 12px;
                    margin-bottom: 12px;
                    text-decoration: none;
                    display: block;
                    transition: all 0.3s ease;
                }

                .search-result-item:hover {
                    background: rgba(17, 24, 39, 0.9);
                    border-color: var(--primary);
                    transform: translateX(4px);
                }

                .search-result-title {
                    font-size: 18px;
                    font-weight: 600;
                    color: var(--text-primary);
                    margin-bottom: 8px;
                }

                .search-result-title .highlight {
                    color: var(--primary);
                }

                .search-result-desc {
                    font-size: 14px;
                    color: var(--text-secondary);
                    line-height: 1.6;
                }

                .search-result-desc .highlight {
                    color: var(--primary);
                }

                .search-result-category {
                    display: inline-block;
                    padding: 4px 10px;
                    background: rgba(242, 101, 34, 0.1);
                    border: 1px solid rgba(242, 101, 34, 0.3);
                    border-radius: 12px;
                    font-size: 12px;
                    color: var(--primary);
                    margin-bottom: 10px;
                }

                .search-no-result {
                    text-align: center;
                    padding: 60px 20px;
                    color: var(--text-muted);
                    font-size: 16px;
                }

                .search-no-result p {
                    margin: 0;
                }

                /* 移动端适配 */
                @media (max-width: 768px) {
                    .search-title {
                        font-size: 32px;
                    }
                    .search-input {
                        font-size: 18px;
                    }
                    .search-container {
                        padding: 0 20px;
                    }
                    .search-close {
                        right: 20px;
                    }
                    .search-results {
                        max-height: 40vh;
                    }
                    .search-result-item {
                        padding: 16px;
                    }
                    .search-result-title {
                        font-size: 16px;
                    }
                    .search-result-desc {
                        font-size: 13px;
                    }
                }

                /* 预约弹窗 */
                .contact-modal-overlay {
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background: rgba(10, 14, 26, 0.85);
                    backdrop-filter: blur(8px);
                    z-index: 9998;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    opacity: 0;
                    visibility: hidden;
                    transition: all 0.35s ease;
                }

                .contact-modal-overlay.active {
                    opacity: 1;
                    visibility: visible;
                }

                .contact-modal {
                    background: var(--bg-card);
                    border: 1px solid rgba(255, 255, 255, 0.1);
                    border-radius: 24px;
                    padding: 48px 40px 40px;
                    width: 100%;
                    max-width: 560px;
                    position: relative;
                    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
                    transform: translateY(20px);
                    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
                }

                .contact-modal-overlay.active .contact-modal {
                    transform: translateY(0);
                }

                .contact-modal-close {
                    position: absolute;
                    top: 20px;
                    right: 20px;
                    width: 40px;
                    height: 40px;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    cursor: pointer;
                    color: var(--text-muted);
                    border-radius: 50%;
                    transition: all 0.3s ease;
                    background: transparent;
                    border: none;
                }

                .contact-modal-close:hover {
                    color: var(--primary);
                    background: rgba(255, 255, 255, 0.05);
                    transform: rotate(90deg);
                }

                .contact-modal-header {
                    text-align: center;
                    margin-bottom: 36px;
                }

                .contact-modal-tag {
                    display: inline-block;
                    font-size: 13px;
                    font-weight: 700;
                    color: var(--primary);
                    letter-spacing: 3px;
                    margin-bottom: 12px;
                }

                .contact-modal-title {
                    font-size: 24px;
                    font-weight: 700;
                    color: var(--text-primary);
                    margin-bottom: 8px;
                }

                .contact-modal-subtitle {
                    font-size: 14px;
                    color: var(--text-muted);
                }

                .contact-modal .form-row {
                    display: grid;
                    grid-template-columns: 1fr 1fr;
                    gap: 16px;
                    margin-bottom: 16px;
                }

                .contact-modal .form-group {
                    display: flex;
                    flex-direction: column;
                    gap: 8px;
                    margin-bottom: 16px;
                }

                .contact-modal .form-label {
                    font-size: 13px;
                    font-weight: 500;
                    color: var(--text-secondary);
                }

                .contact-modal .form-input,
                .contact-modal .form-textarea {
                    padding: 12px 16px;
                    background: rgba(255, 255, 255, 0.05);
                    border: 1px solid var(--border-color);
                    border-radius: 10px;
                    font-size: 14px;
                    color: var(--text-primary);
                    font-family: inherit;
                    transition: border-color 0.3s ease;
                    outline: none;
                }

                .contact-modal .form-input:focus,
                .contact-modal .form-textarea:focus {
                    border-color: var(--primary);
                }

                .contact-modal .form-input::placeholder,
                .contact-modal .form-textarea::placeholder {
                    color: var(--text-muted);
                }

                .contact-modal .form-textarea {
                    resize: vertical;
                    min-height: 80px;
                }

                .contact-modal .form-submit-wrapper {
                    text-align: center;
                    margin-top: 8px;
                }

                .contact-modal .form-submit {
                    padding: 12px 40px;
                    border-radius: 50px;
                    font-size: 15px;
                    font-weight: 600;
                    cursor: pointer;
                    background: var(--gradient-primary);
                    color: white;
                    border: none;
                    transition: var(--transition-normal);
                    display: inline-flex;
                    align-items: center;
                    gap: 8px;
                }

                .contact-modal .form-submit:hover {
                    transform: translateY(-2px);
                    box-shadow: 0 8px 24px rgba(242, 101, 34, 0.35);
                }

                /* 弹窗成功提示 */
                .contact-modal-success {
                    text-align: center;
                    padding: 40px 20px;
                    display: none;
                }

                .contact-modal-success .success-icon {
                    width: 64px;
                    height: 64px;
                    margin: 0 auto 20px;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    background: rgba(242, 101, 34, 0.1);
                    border-radius: 50%;
                    color: var(--primary);
                }

                .contact-modal-success .success-title {
                    font-size: 20px;
                    font-weight: 700;
                    color: var(--text-primary);
                    margin-bottom: 8px;
                }

                .contact-modal-success .success-desc {
                    font-size: 14px;
                    color: var(--text-secondary);
                }

                /* 微信二维码弹窗 */
                .wechat-qr-modal-overlay {
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background: rgba(10, 14, 26, 0.85);
                    backdrop-filter: blur(8px);
                    z-index: 9999;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    opacity: 0;
                    visibility: hidden;
                    transition: all 0.35s ease;
                }

                .wechat-qr-modal-overlay.active {
                    opacity: 1;
                    visibility: visible;
                }

                .wechat-qr-modal {
                    background: var(--bg-card);
                    border: 1px solid rgba(255, 255, 255, 0.1);
                    border-radius: 24px;
                    padding: 40px;
                    text-align: center;
                    position: relative;
                    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
                    transform: translateY(20px);
                    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
                    max-width: 360px;
                    width: 90%;
                }

                .wechat-qr-modal-overlay.active .wechat-qr-modal {
                    transform: translateY(0);
                }

                .wechat-qr-modal-close {
                    position: absolute;
                    top: 16px;
                    right: 16px;
                    width: 36px;
                    height: 36px;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    cursor: pointer;
                    color: var(--text-muted);
                    border-radius: 50%;
                    transition: all 0.3s ease;
                    background: transparent;
                    border: none;
                }

                .wechat-qr-modal-close:hover {
                    color: var(--primary);
                    background: rgba(255, 255, 255, 0.05);
                    transform: rotate(90deg);
                }

                .wechat-qr-modal-title {
                    font-size: 20px;
                    font-weight: 700;
                    color: var(--text-primary);
                    margin-bottom: 6px;
                }

                .wechat-qr-modal-subtitle {
                    font-size: 13px;
                    color: var(--text-muted);
                    margin-bottom: 24px;
                }

                .wechat-qr-modal-image {
                    width: 200px;
                    height: 200px;
                    border-radius: 12px;
                    border: 1px solid var(--border-color);
                    display: block;
                    margin: 0 auto;
                }

                .wechat-qr-modal-tip {
                    margin-top: 16px;
                    font-size: 13px;
                    color: var(--text-secondary);
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    gap: 6px;
                }

                .wechat-qr-modal-tip svg {
                    width: 16px;
                    height: 16px;
                    color: #07c160;
                }

                .wechat-qr-modal-account {
                    margin-top: 8px;
                    padding: 8px 20px;
                    background: rgba(7, 193, 96, 0.1);
                    border: 1px solid rgba(7, 193, 96, 0.2);
                    border-radius: 8px;
                    font-size: 14px;
                    font-weight: 500;
                    color: #07c160;
                    display: inline-block;
                }

                /* 移动端联系信息弹窗 */
                .contact-info-modal-overlay {
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background: rgba(0, 0, 0, 0.6);
                    z-index: 10001;
                    display: none;
                    align-items: center;
                    justify-content: center;
                }

                .contact-info-modal-overlay.active {
                    display: flex;
                }

                .contact-info-modal {
                    position: relative;
                    background: #fff;
                    border-radius: 16px;
                    padding: 40px 32px 32px;
                    width: 90%;
                    max-width: 340px;
                    text-align: center;
                    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
                    animation: contactInfoModalIn 0.3s ease;
                }

                @keyframes contactInfoModalIn {
                    from {
                        opacity: 0;
                        transform: translateY(20px) scale(0.95);
                    }
                    to {
                        opacity: 1;
                        transform: translateY(0) scale(1);
                    }
                }

                .contact-info-modal-close {
                    position: absolute;
                    top: 12px;
                    right: 12px;
                    width: 32px;
                    height: 32px;
                    border: none;
                    background: rgba(0, 0, 0, 0.05);
                    border-radius: 50%;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    cursor: pointer;
                    color: #666;
                    transition: all 0.2s ease;
                }

                .contact-info-modal-close:hover {
                    background: rgba(0, 0, 0, 0.1);
                    color: #333;
                }

                .contact-info-modal-icon {
                    width: 72px;
                    height: 72px;
                    margin: 0 auto 16px;
                    background: rgba(242, 101, 34, 0.1);
                    border-radius: 50%;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    color: var(--primary);
                }

                .contact-info-modal-title {
                    font-size: 17px;
                    font-weight: 600;
                    color: #333;
                    margin-bottom: 12px;
                }

                .contact-info-modal-value {
                    font-size: 16px;
                    color: var(--primary);
                    font-weight: 500;
                    padding: 12px 16px;
                    background: rgba(242, 101, 34, 0.06);
                    border-radius: 10px;
                    margin-bottom: 20px;
                    word-break: break-all;
                    user-select: all;
                }

                .contact-info-modal-copy {
                    display: inline-block;
                    padding: 10px 36px;
                    background: var(--primary);
                    color: #fff;
                    border: none;
                    border-radius: 24px;
                    font-size: 15px;
                    font-weight: 500;
                    cursor: pointer;
                    transition: all 0.2s ease;
                }

                .contact-info-modal-copy:active {
                    transform: scale(0.96);
                    opacity: 0.9;
                }

                .contact-info-modal-copied {
                    display: none;
                    font-size: 13px;
                    color: #07c160;
                    margin-top: 8px;
                }

                .contact-info-modal-copied.show {
                    display: block;
                }

                @media (max-width: 768px) {
                    .contact-modal {
                        margin: 20px;
                        padding: 32px 24px 28px;
                        border-radius: 16px;
                    }
                    .contact-modal .form-row {
                        grid-template-columns: 1fr;
                        gap: 0;
                    }
                    .contact-modal-title {
                        font-size: 20px;
                    }
                }

                .btn {
                    padding: 12px 28px;
                    border-radius: 50px;
                    font-size: 14px;
                    font-weight: 600;
                    cursor: pointer;
                    transition: var(--transition-normal);
                    border: none;
                    display: inline-flex;
                    align-items: center;
                    gap: 8px;
                }

                .btn-primary {
                    background: var(--gradient-primary);
                    color: white;
                    box-shadow: 0 4px 20px rgba(242, 101, 34, 0.3);
                }

                .btn-primary:hover {
                    transform: translateY(-2px);
                    box-shadow: 0 8px 30px rgba(242, 101, 34, 0.4);
                }

                .btn-outline {
                    background: rgba(0, 0, 0, 0.45);
                    color: var(--text-secondary);
                    border: 1px solid var(--border-color);
                }

                .btn-outline:hover {
                    border-color: var(--primary);
                    color: var(--primary);
                    background: rgba(242, 101, 34, 0.05);
                }

                /* Hero 区域 - 轮播 */
                .hero {
                    position: relative;
                    min-height: 100vh;
                    padding-top: 80px;
                    display: flex;
                    align-items: center;
                    overflow: hidden;
                    background: linear-gradient(135deg, #0a0e1a 0%, #111827 50%, #0f172a 100%);
                }

                .hero-slider {
                    position: absolute;
                    inset: 0;
                    width: 100%;
                    height: 100%;
                    z-index: 0;
                }

                .hero-slide {
                    position: absolute;
                    inset: 0;
                    opacity: 0;
                    transition: opacity 1s ease-in-out;
                    pointer-events: none;
                }

                .hero-slide.active {
                    opacity: 1;
                }

                .hero-slide-bg {
                    position: absolute;
                    inset: 0;
                    background-size: cover;
                    background-position: center center;
                    background-repeat: no-repeat;
                    filter: contrast(1.05) saturate(0.9) brightness(1.02);
                    /* 确保图片保持1920x990比例 */
                    aspect-ratio: 1920 / 990;
                    pointer-events: none;
                }

                .hero-slide:nth-child(1) .hero-slide-bg {
                    background-image: none;
                }

                /* 第一屏视频背景 */
                .hero-video-bg {
                    position: absolute;
                    inset: 0;
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
                    z-index: 0;
                    pointer-events: none;
                    will-change: transform;
                    transform: translateZ(0);
                }

                .hero-video-native {
                    object-fit: contain;
                }

                /* 平板设备适配 */
                @media (max-width: 1024px) {
                    .hero-slide-bg {
                        background-position: center center;
                    }
                }

                /* 移动设备适配 */
                @media (max-width: 768px) {
                    .hero {
                        min-height: auto;
                        height: 100vh;
                        padding-top: 70px;
                    }

                    .hero-slider {
                        position: absolute;
                        top: 70px;
                        left: 0;
                        right: 0;
                        bottom: auto;
                        height: calc(100% - 70px);
                    }

                    .hero-slide {
                        position: absolute;
                        top: 0;
                        left: 0;
                        right: 0;
                        bottom: 0;
                        width: 100%;
                        height: 100%;
                    }

                    .hero-slide-bg {
                        position: absolute;
                        top: 0;
                        left: 0;
                        right: 0;
                        bottom: 0;
                        width: 100%;
                        height: 100%;
                        background-position: center center;
                        background-size: cover;
                    }

                    /* 移动端banner文字居中对齐 */
                    .hero-text {
                        margin-left: 0;
                        text-align: center;
                        padding: 0 20px;
                        max-width: 100%;
                    }

                    .hero-title {
                        font-size: 28px;
                    }

                    .hero-subtitle {
                        font-size: 21px;
                    }

                    /* 移动端确保banner文字在视频上方 */
                    .hero-content {
                        z-index: 10;
                        position: relative;
                    }

                    .hero-slide-content[data-slide="0"] {
                        z-index: 10;
                        position: relative;
                    }

                    .hero-text {
                        position: relative;
                        z-index: 10;
                    }

                    /* 移动端视频层级调整 */
                    .hero-slide-bg {
                        z-index: 0 !important;
                    }

                    /* 移动端图片置顶显示 */
                    .hero-video-mob {
                        display: block !important;
                        position: absolute;
                        top: 0 !important;
                        left: 50% !important;
                        right: auto !important;
                        bottom: auto !important;
                        transform: translateX(-50%) translateY(0);
                        width: 110% !important;
                        height: 110% !important;
                        object-fit: cover;
                        object-position: center top;
                        z-index: 1 !important;
                    }

                    .hero-video-bg:not(.hero-video-mob) {
                        z-index: 0 !important;
                    }

                    .hero-video-pc {
                        display: none !important;
                    }

                    .hero-slider {
                        z-index: 0 !important;
                    }

                    .hero-slide {
                        z-index: 0 !important;
                    }

                    /* 移动端滚动指示器 - 向下箭头 */
                    .scroll-mouse .mouse-icon {
                        display: none;
                    }
                    .scroll-mouse .scroll-arrow-icon {
                        display: block !important;
                        animation: arrowBounce 2s ease-in-out infinite;
                    }
                    .scroll-mouse .scroll-text-mobile {
                        display: block !important;
                        font-size: 13px;
                        color: rgba(255, 255, 255, 0.7);
                        letter-spacing: 2px;
                        animation: arrowBounce 2s ease-in-out infinite;
                    }
                }

                @keyframes arrowBounce {
                    0%, 100% {
                        transform: translateY(0);
                        opacity: 0.7;
                    }
                    50% {
                        transform: translateY(8px);
                        opacity: 1;
                    }
                }

                /* 小屏移动设备 */
                @media (max-width: 480px) {
                    .hero-slide-bg {
                        background-position: center center;
                        background-size: cover;
                    }

                    /* 移动端banner文字居中对齐 */
                    .hero-text {
                        margin-left: 0;
                        text-align: center;
                        padding: 0 20px;
                    }
                }

                .hero-bg {
                    position: absolute;
                    inset: 0;
                    background: url('images/hero/hero-bg.jpg') center/cover;
                    opacity: 1;
                    filter: contrast(1.15) saturate(1.15) brightness(1.05);
                }

                .hero-overlay {
                    position: absolute;
                    inset: 0;
                    background: linear-gradient(135deg, rgba(10,14,26,0.7) 0%, rgba(10,14,26,0.5) 50%, rgba(10,14,26,0.6) 100%);
                    transition: opacity 1s ease-in-out;
                    pointer-events: none;
                }

                .hero-overlay.hidden {
                    opacity: 0;
                }

                /* 滚动提示鼠标图标 */
                .scroll-mouse {
                    position: absolute;
                    left: 50%;
                    bottom: 40px;
                    transform: translateX(-50%);
                    z-index: 5;
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                    gap: 8px;
                    pointer-events: none;
                }

                .mouse-icon {
                    width: 26px;
                    height: 40px;
                    border: 2px solid rgba(255, 255, 255, 0.8);
                    border-radius: 13px;
                    position: relative;
                    animation: mouseFloat 2s ease-in-out infinite;
                }

                .mouse-icon::before {
                    content: '';
                    position: absolute;
                    top: 8px;
                    left: 50%;
                    transform: translateX(-50%);
                    width: 4px;
                    height: 8px;
                    background: rgba(255, 255, 255, 0.8);
                    border-radius: 2px;
                    animation: mouseWheel 2s ease-in-out infinite;
                }

                @keyframes mouseFloat {
                    0%, 100% {
                        transform: translateY(0);
                    }
                    50% {
                        transform: translateY(10px);
                    }
                }

                @keyframes mouseWheel {
                    0%, 100% {
                        opacity: 1;
                        transform: translateX(-50%) translateY(0);
                    }
                    50% {
                        opacity: 0.5;
                        transform: translateX(-50%) translateY(6px);
                    }
                }

                .hero-content {
                    position: relative;
                    z-index: 1;
                    max-width: var(--container-max-width);
                    margin: 0 auto;
                    padding: 0 60px;
                    display: grid;
                    grid-template-columns: 1fr;
                    align-items: center;
                    margin-left: calc(max(var(--navbar-padding), calc((100% - var(--container-max-width)) / 2)) - 40px);
                }

                .hero-text {
                    max-width: 1000px;
                    margin-left: 0;
                }

                /* 轮播内容切换 */
                .hero-slide-content {
                    position: absolute;
                    opacity: 0;
                    visibility: hidden;
                    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
                    margin-left: 0;
                }

                .hero-slide-content.active {
                    position: relative;
                    opacity: 1;
                    visibility: visible;
                }

                .hero-slide-content .hero-title,
                .hero-slide-content .hero-subtitle,
                .hero-slide-content .hero-description,
                .hero-slide-content .hero-buttons {
                    opacity: 0;
                    transform: translateY(80px);
                }

                .hero-slide-content.active .hero-title {
                    animation: fadeInUp 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
                }

                .hero-slide-content.active .hero-subtitle {
                    animation: fadeInUp 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.15s forwards;
                }

                .hero-slide-content.active .hero-description {
                    animation: fadeInUp 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
                }

                .hero-slide-content.active .hero-buttons {
                    animation: fadeInUp 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.45s forwards;
                }

                .hero-title {
                    font-size: 56px;
                    font-weight: 800;
                    line-height: 1.1;
                    margin-bottom: 20px;
                    letter-spacing: -1px;
                }

                .hero-title span {
                    background: var(--gradient-primary);
                    -webkit-background-clip: text;
                    -webkit-text-fill-color: transparent;
                    background-clip: text;
                }

                .hero-title .highlight-orange {
                    color: var(--primary);
                    -webkit-text-fill-color: var(--primary);
                    background: none;
                }

                .hero-subtitle {
                    font-size: 56px;
                    font-weight: 800;
                    line-height: 1.1;
                    margin-bottom: 32px;
                    color: var(--primary);
                    letter-spacing: -1px;
                }

                .hero-description {
                    font-size: 19px;
                    color: #b0c4de;
                    margin-bottom: 40px;
                    line-height: 1.8;
                    max-width: 500px;
                }

                .hero-buttons {
                    display: flex;
                    gap: 16px;
                }

                /* 视频展示区域 */
                .video-section {
                    width: 100%;
                    height: 100vh;
                    position: relative;
                    overflow: hidden;
                    background: var(--bg-darker);
                }

                .video-player {
                    display: none;
                }

                .video-pc-img {
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
                    pointer-events: none;
                }

                .video-mob-img {
                    display: none;
                }

                .video-overlay {
                    position: absolute;
                    top: 0;
                    left: 0;
                    right: 0;
                    bottom: 0;
                    background: rgba(10, 14, 26, 0.7);
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    z-index: 2;
                }

                .video-content {
                    max-width: var(--container-max-width);
                    width: 100%;
                    padding: 0 60px;
                    margin: 0 auto;
                }

                .video-header {
                    text-align: left;
                    margin-bottom: 60px;
                }

                .video-header .section-tag {
                    display: inline-block;
                    font-size: 40px;
                    font-weight: 800;
                    color: var(--text-primary);
                    margin-bottom: 8px;
                    letter-spacing: 2px;
                }

                .video-header .section-title {
                    font-size: 35px;
                    font-weight: 700;
                    color: var(--primary);
                    margin-bottom: 0;
                }

                .video-features {
                    display: grid;
                    grid-template-columns: repeat(2, 1fr);
                    gap: 40px 60px;
                    margin-bottom: 60px;
                }

                .video-feature-item {
                    display: flex;
                    align-items: flex-start;
                    gap: 16px;
                }

                .video-feature-item .feature-dot {
                    width: 8px;
                    height: 8px;
                    background: var(--primary);
                    border-radius: 50%;
                    margin-top: 8px;
                    flex-shrink: 0;
                }

                .video-feature-item .feature-text h3 {
                    font-size: 23px;
                    font-weight: 700;
                    color: var(--text-primary);
                    margin-bottom: 8px;
                }

                .video-feature-item .feature-text p {
                    font-size: 17px;
                    color: var(--text-secondary);
                    line-height: 1.8;
                }

                .video-slogan {
                    text-align: left;
                    margin-top: 40px;
                    padding-top: 30px;
                    border-top: 1px solid rgba(255, 255, 255, 0.1);
                }

                .video-slogan p {
                    font-size: 32px;
                    font-weight: 400;
                    color: var(--primary);
                    letter-spacing: 0;
                }

                /* 平板设备适配 */
                @media (max-width: 1024px) {
                    .video-section {
                        height: auto;
                        min-height: 80vh;
                        padding: 80px 40px;
                    }
                    .video-content {
                        padding: 0 40px;
                    }
                    .video-header .section-tag {
                        font-size: 32px;
                    }
                    .video-header .section-title {
                        font-size: 28px;
                    }
                    .video-features {
                        gap: 30px 40px;
                    }
                    .video-feature-item .feature-text h3 {
                        font-size: 20px;
                    }
                    .video-slogan p {
                        font-size: 26px;
                    }
                }

                /* 移动设备适配 */
                @media (max-width: 768px) {
                    .video-section {
                        height: auto;
                        min-height: auto;
                        padding: 0;
                        position: relative;
                        overflow: visible;
                        background: var(--bg-darker);
                    }
                    .video-player {
                        display: none;
                    }
                    .video-pc-img {
                        display: none;
                    }
                    .video-mob-img {
                        display: block;
                        width: 100%;
                        height: auto;
                        position: relative;
                        z-index: 1;
                    }
                    .video-overlay {
                        position: absolute;
                        top: 0;
                        left: 0;
                        right: 0;
                        bottom: 0;
                        background: rgba(10, 14, 26, 0.65);
                        display: flex;
                        align-items: center;
                        justify-content: center;
                        padding: 10px 24px 40px;
                        z-index: 2;
                    }
                    .video-content {
                        padding: 0;
                        max-width: 90%;
                        margin: -30px auto 0;
                    }
                    .video-header {
                        text-align: center;
                        margin-bottom: 24px;
                    }
                    .video-header .section-tag {
                        font-size: 42px;
                        font-weight: 900;
                        color: #ffffff;
                        letter-spacing: 3px;
                        margin-bottom: 16px;
                        display: block;
                    }
                    .video-header .section-title {
                        font-size: 32px;
                        font-weight: 700;
                        color: var(--primary);
                        margin-bottom: 20px;
                        line-height: 1.3;
                        position: relative;
                        display: inline-block;
                        padding-bottom: 16px;
                        white-space: nowrap;
                    }
                    .video-header .section-title::after {
                        content: '';
                        position: absolute;
                        bottom: 0;
                        left: 50%;
                        transform: translateX(-50%);
                        width: 60px;
                        height: 3px;
                        background: var(--primary);
                    }
                    .video-slogan {
                        text-align: center;
                        margin-bottom: 15px;
                        margin-top: -30px;
                        padding-top: 0;
                        border-top: none;
                        width: auto;
                        max-width: none;
                        margin-left: 0;
                    }
                    .video-slogan p {
                        font-size: 18px;
                        font-weight: 500;
                        color: var(--primary);
                        letter-spacing: 0;
                        line-height: 1.6;
                        white-space: nowrap;
                    }
                    .video-features {
                        display: grid;
                        grid-template-columns: 1fr;
                        gap: 24px;
                        margin-bottom: 0;
                        text-align: left;
                        max-width: 70%;
                        margin-left: auto;
                        margin-right: auto;
                    }
                    .video-feature-item {
                        display: block;
                        padding: 0;
                    }
                    .video-feature-item .feature-dot {
                        display: none;
                    }
                    .video-feature-item .feature-text {
                        display: block;
                    }
                    .video-feature-item .feature-text h3 {
                        font-size: 20px;
                        font-weight: 700;
                        color: #ffffff;
                        margin-bottom: 6px;
                        line-height: 1.4;
                    }
                    .video-feature-item .feature-text p {
                        font-size: 15px;
                        color: rgba(255, 255, 255, 0.85);
                        line-height: 1.53;
                        margin-bottom: 0;
                    }
                }

                /* 小屏移动设备 */
                @media (max-width: 480px) {
                    .video-section {
                        height: auto;
                        min-height: auto;
                        padding: 0;
                    }
                    .video-overlay {
                        padding: 30px 16px;
                    }
                    .video-header {
                        margin-bottom: 20px;
                    }
                    .video-header .section-tag {
                        font-size: 36px;
                        letter-spacing: 2px;
                        margin-bottom: 12px;
                    }
                    .video-header .section-title {
                        font-size: 28px;
                        padding-bottom: 12px;
                    }
                    .video-header .section-title::after {
                        width: 50px;
                        height: 2px;
                    }
                    .video-slogan {
                        margin-bottom: 5px;
                        margin-top: -30px;
                    }
                    .video-slogan p {
                        font-size: 16px;
                    }
                    .video-features {
                        gap: 20px;
                        margin-bottom: 0;
                    }
                    .video-feature-item .feature-text h3 {
                        font-size: 18px;
                    }
                    .video-feature-item .feature-text p {
                        font-size: 14px;
                    }
                }

                /* 产品概览 */
                .products {
                    padding: 216px 60px 90px;
                    background: url('images/hero/hero_bg.jpg') center/cover no-repeat;
                    position: relative;
                    overflow: hidden;
                }

                .products .section-header {
                    text-align: center;
                    margin-bottom: 60px;
                }

                .products .section-header .section-tag {
                    display: inline-block;
                    font-size: 40px;
                    font-weight: 800;
                    color: var(--text-primary);
                    margin-bottom: 8px;
                    letter-spacing: 2px;
                    background: none;
                    border: none;
                    padding: 0;
                }

                .products .section-header .section-title {
                    font-size: 35px;
                    font-weight: 700;
                    color: var(--primary);
                    margin-bottom: 0;
                }

                .products .section-header .section-subtitle {
                    font-size: 26px;
                    font-weight: 400;
                    color: var(--primary);
                    margin-top: 16px;
                    letter-spacing: 0;
                }

                .products::before {
                    content: '';
                    position: absolute;
                    top: 50%;
                    left: 50%;
                    width: 800px;
                    height: 800px;
                    background: radial-gradient(circle, rgba(242, 101, 34, 0.08) 0%, transparent 70%);
                    transform: translate(-50%, -50%);
                    pointer-events: none;
                }

                .products-container {
                    max-width: var(--container-max-width);
                    margin: 0 auto;
                    position: relative;
                    z-index: 1;
                }

                .products-grid {
                    display: flex;
                    gap: 30px;
                    margin-top: 60px;
                    overflow-x: auto;
                    overflow-y: hidden;
                    scroll-behavior: smooth;
                    scroll-snap-type: x mandatory;
                    -webkit-overflow-scrolling: touch;
                    padding-bottom: 20px;
                    cursor: grab;
                    user-select: none;
                }

                .products-grid::-webkit-scrollbar {
                    height: 6px;
                }

                .products-grid::-webkit-scrollbar-track {
                    background: rgba(255, 255, 255, 0.1);
                    border-radius: 3px;
                }

                .products-grid::-webkit-scrollbar-thumb {
                    background: var(--primary);
                    border-radius: 3px;
                }

                .products-grid:active {
                    cursor: grabbing;
                }

                .products-grid .product-card {
                    flex: 0 0 calc(33.333% - 20px);
                    min-width: 320px;
                    scroll-snap-align: start;
                    opacity: 1 !important;
                    transform: translateY(0) !important;
                }

                /* 覆盖 reveal-children 动画 */
                .products-grid.reveal-children > .product-card,
                .products-grid.reveal-children.active > .product-card {
                    opacity: 1 !important;
                    transform: translateY(0) !important;
                    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
                }

                .product-card {
                    background: var(--bg-card);
                    border: 1px solid var(--border-color);
                    border-radius: 20px;
                    overflow: hidden;
                    transition: var(--transition-normal);
                    position: relative;
                    text-decoration: none;
                    color: inherit;
                    display: block;
                }

                .product-card:hover {
                    transform: translateY(-10px);
                    border-color: var(--primary);
                    box-shadow: 0 20px 40px rgba(242, 101, 34, 0.15);
                }

                .product-card-header {
                    padding: 16px 24px;
                    background: var(--gradient-primary);
                    text-align: center;
                    transition: all 0.3s ease;
                }

                .product-card:nth-child(1) .product-card-header {
                    background: linear-gradient(135deg, #f26522 0%, #ff7a3d 100%);
                }

                .product-card:nth-child(2) .product-card-header {
                    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a8b 100%);
                }

                .product-card:nth-child(3) .product-card-header {
                    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
                }

                .product-card:nth-child(4) .product-card-header {
                    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a8b 100%);
                }

                .product-card-title {
                    font-size: 20px;
                    font-weight: 700;
                    color: white;
                    letter-spacing: 2px;
                }

                .product-card-body {
                    padding: 0;
                }

                .product-card-image-wrapper {
                    width: 100%;
                    height: 200px;
                    overflow: hidden;
                }

                .product-card-image {
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
                    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
                }

                .product-card:hover .product-card-image {
                    transform: scale(1.05);
                }

                .product-card-content {
                    padding: 20px 24px 24px;
                }

                .product-card-subtitle {
                    font-size: 17px;
                    font-weight: 600;
                    color: var(--primary);
                    margin-bottom: 16px;
                    line-height: 1.5;
                }

                .product-features {
                    list-style: none;
                }

                .product-features li {
                    padding: 6px 0;
                    font-size: 13px;
                    color: var(--text-secondary);
                    display: flex;
                    align-items: flex-start;
                    gap: 10px;
                    line-height: 1.6;
                }

                .product-features li::before {
                    content: '';
                    width: 6px;
                    height: 6px;
                    background: var(--primary);
                    border-radius: 50%;
                    flex-shrink: 0;
                    margin-top: 8px;
                }

                .product-card:nth-child(2) .product-features li::before {
                    background: #3b82f6;
                }

                .product-card:nth-child(4) .product-features li::before {
                    background: #10b981;
                }

                .product-card:nth-child(3) .product-features li::before {
                    background: #8b5cf6;
                }

                /* 行业解决方案 */
                .solutions {
                    padding: 100px 60px;
                    background: var(--bg-darker);
                    position: relative;
                    overflow: hidden;
                }

                .solutions::before {
                    content: '';
                    position: absolute;
                    top: 0;
                    left: 0;
                    right: 0;
                    bottom: 0;
                    background: url('images/solutions/solution-bg.jpg') center/cover;
                    opacity: 1;
                    pointer-events: none;
                }

                .solutions-container {
                    max-width: var(--container-max-width);
                    margin: 0 auto;
                    width: 100%;
                    position: relative;
                    z-index: 1;
                }

                .solutions-header {
                    text-align: center;
                    margin-bottom: 60px;
                }

                .solutions-header .section-tag {
                    display: inline-block;
                    font-size: 40px;
                    font-weight: 800;
                    color: var(--text-primary);
                    margin-bottom: 8px;
                    letter-spacing: 2px;
                }

                .solutions-header .section-title {
                    font-size: 35px;
                    font-weight: 700;
                    color: var(--primary);
                    margin-bottom: 0;
                }

                .solution-cards {
                    display: grid;
                    grid-template-columns: repeat(4, 1fr);
                    gap: 20px;
                    margin-bottom: 60px;
                }

                .solution-card {
                    display: block;
                    background: var(--bg-card);
                    border-radius: 12px;
                    overflow: hidden;
                    text-decoration: none;
                    transition: all 0.3s ease;
                    border: 1px solid var(--border-color);
                }

                .solution-card:hover {
                    transform: translateY(-10px);
                    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                }

                .solution-card-header {
                    padding: 16px 20px;
                    font-size: 18px;
                    font-weight: 600;
                    color: var(--text-primary);
                    text-align: center;
                    background: var(--bg-card-hover);
                    border-bottom: 1px solid var(--border-color);
                    transition: all 0.3s ease;
                }

                .solution-card:hover .solution-card-header {
                    background: var(--primary);
                    color: white;
                }

                .solution-card.active .solution-card-header {
                    background: var(--primary);
                    color: white;
                }

                .solution-card-image {
                    width: 100%;
                    height: 375px;
                    overflow: hidden;
                    position: relative;
                }

                .solution-card-image::before {
                    content: '';
                    position: absolute;
                    top: 0;
                    left: 0;
                    right: 0;
                    bottom: 0;
                    background: rgba(0, 0, 0, 0.4);
                    z-index: 1;
                    transition: background 0.3s ease;
                }

                .solution-card:hover .solution-card-image::before {
                    background: rgba(0, 0, 0, 0);
                }

                .solution-card-image img {
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
                    transition: transform 0.3s ease;
                }

                .solution-card:hover .solution-card-image img {
                    transform: scale(1.05);
                }

                .solutions-more {
                    text-align: center;
                }

                .btn-more {
                    display: inline-flex;
                    align-items: center;
                    gap: 8px;
                    padding: 12px 32px;
                    background: var(--primary);
                    color: white;
                    font-size: 16px;
                    font-weight: 500;
                    text-decoration: none;
                    border-radius: 50px;
                    transition: all 0.3s ease;
                }

                .btn-more:hover {
                    background: var(--primary-light);
                    transform: translateX(4px);
                }

                /* 平板设备适配 */
                @media (max-width: 1024px) {
                    .solution-cards {
                        grid-template-columns: repeat(2, 1fr);
                    }
                }

                /* 移动设备适配 */
                @media (max-width: 768px) {
                    .solutions {
                        padding: 80px 20px;
                    }
                    .solutions-header .section-tag {
                        font-size: 34px;
                    }
                    .solutions-header .section-title {
                        font-size: 24px;
                    }
                    .solution-cards {
                        grid-template-columns: repeat(2, 1fr);
                        gap: 16px;
                    }
                    .solution-card-header {
                        font-size: 20px;
                        padding: 12px 16px;
                    }
                }

                /* 小屏移动设备 */
                @media (max-width: 480px) {
                    .solution-cards {
                        grid-template-columns: 1fr;
                    }
                }

                /* 新闻动态 */
                .news {
                    padding: 180px 60px;
                    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
                    position: relative;
                    overflow: hidden;
                }

                /* 蓝色城市建筑群背景 */
                .city-skyline {
                    position: absolute;
                    bottom: 0;
                    left: 0;
                    right: 0;
                    height: 480px;
                    pointer-events: none;
                    z-index: 1;
                    mask-image: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0) 100%);
                    -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0) 100%);
                }

                .city-skyline svg {
                    width: 100%;
                    height: 100%;
                    display: block;
                }

                /* 蓝色城市建筑群背景（右侧建筑） */
                .city-buildings-right {
                    position: absolute;
                    bottom: 0;
                    right: 0;
                    width: 55%;
                    height: 320px;
                    pointer-events: none;
                    z-index: -1;
                    mask-image: linear-gradient(to top, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.2) 40%, rgba(0,0,0,0) 100%);
                    -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.2) 40%, rgba(0,0,0,0) 100%);
                }

                .city-buildings-right svg {
                    width: 100%;
                    height: 100%;
                    display: block;
                }

                /* 蓝色星云波浪背景 */
                .nebula-waves {
                    position: absolute;
                    bottom: 0;
                    left: 0;
                    right: 0;
                    height: 320px;
                    pointer-events: none;
                    z-index: 0;
                    overflow: hidden;
                    mask-image: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.35) 40%, rgba(0,0,0,0) 100%);
                    -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.35) 40%, rgba(0,0,0,0) 100%);
                }

                .nebula-waves svg {
                    position: absolute;
                    bottom: 0;
                    left: 0;
                    width: 200%;
                    height: 100%;
                    will-change: transform;
                }

                /* 第一层星云波：深蓝色，大周期慢速漂动 */
                .nebula-wave-1 {
                    animation: nebulaDrift1 23s linear infinite;
                    z-index: 1;
                    opacity: 0.55;
                    filter: blur(1px);
                }
                .nebula-wave-1 .wave-fill {
                    fill: rgba(10,60,150,0.6);
                }
                .nebula-wave-1 .wave-stroke {
                    fill: none;
                    stroke: rgba(30,100,220,0.7);
                    stroke-width: 2;
                }

                /* 第二层星云波：中蓝色，中等周期 */
                .nebula-wave-2 {
                    animation: nebulaDrift2 14s linear infinite;
                    z-index: 2;
                    opacity: 0.45;
                    filter: blur(0.6px);
                }
                .nebula-wave-2 .wave-fill {
                    fill: rgba(20,80,200,0.55);
                }
                .nebula-wave-2 .wave-stroke {
                    fill: none;
                    stroke: rgba(60,140,255,0.65);
                    stroke-width: 1.8;
                }

                /* 第三层星云波：亮蓝色，快周期，近景 */
                .nebula-wave-3 {
                    animation: nebulaDrift3 8.5s linear infinite;
                    z-index: 3;
                    opacity: 0.5;
                }
                .nebula-wave-3 .wave-fill {
                    fill: rgba(40,120,255,0.5);
                }
                .nebula-wave-3 .wave-stroke {
                    fill: none;
                    stroke: rgba(100,180,255,0.6);
                    stroke-width: 2.2;
                }

                /* 第四层辉光：蓝白色光晕层 */
                .nebula-glow {
                    position: absolute;
                    bottom: 0;
                    left: 0;
                    right: 0;
                    height: 220px;
                    z-index: 4;
                    pointer-events: none;
                    opacity: 0.12;
                    background: radial-gradient(ellipse 120% 100% at 50% 100%, rgba(80,160,255,0.8) 0%, rgba(20,80,200,0.3) 40%, transparent 70%);
                    animation: glowPulse 5.7s ease-in-out infinite alternate;
                }

                /* 远处背景飘浮光点 */
                .nebula-particles {
                    position: absolute;
                    bottom: 0;
                    left: 0;
                    right: 0;
                    height: 320px;
                    z-index: 0;
                    pointer-events: none;
                    overflow: hidden;
                }

                .nebula-particle {
                    position: absolute;
                    border-radius: 50%;
                    pointer-events: none;
                    will-change: transform, opacity;
                }

                /* 光点呼吸闪烁 */
                @keyframes particleFloat {
                    0% {
                        transform: translateY(0) translateX(0) scale(1);
                        opacity: var(--pt-op, 0.4);
                    }
                    25% {
                        transform: translateY(calc(var(--pt-rise, -80px) * 0.25)) translateX(calc(var(--pt-drift, 20px) * 0.25)) scale(1.3);
                        opacity: calc(var(--pt-op, 0.4) * 1.5);
                    }
                    50% {
                        transform: translateY(calc(var(--pt-rise, -80px) * 0.5)) translateX(calc(var(--pt-drift, 20px) * 0.5)) scale(1);
                        opacity: var(--pt-op, 0.4);
                    }
                    75% {
                        transform: translateY(calc(var(--pt-rise, -80px) * 0.75)) translateX(calc(var(--pt-drift, 20px) * 0.75)) scale(0.7);
                        opacity: calc(var(--pt-op, 0.4) * 0.6);
                    }
                    100% {
                        transform: translateY(var(--pt-rise, -80px)) translateX(var(--pt-drift, 20px)) scale(0.4);
                        opacity: 0;
                    }
                }

                @keyframes nebulaDrift1 {
                    0%   { transform: translateX(0) translateY(0); }
                    25%  { transform: translateX(-12%) translateY(-4px); }
                    50%  { transform: translateX(-25%) translateY(0); }
                    75%  { transform: translateX(-38%) translateY(4px); }
                    100% { transform: translateX(-50%) translateY(0); }
                }

                @keyframes nebulaDrift2 {
                    0%   { transform: translateX(0) translateY(0); }
                    25%  { transform: translateX(-15%) translateY(5px); }
                    50%  { transform: translateX(-25%) translateY(0); }
                    75%  { transform: translateX(-35%) translateY(-5px); }
                    100% { transform: translateX(-50%) translateY(0); }
                }

                @keyframes nebulaDrift3 {
                    0%   { transform: translateX(0) translateY(0); }
                    25%  { transform: translateX(-18%) translateY(-6px); }
                    50%  { transform: translateX(-25%) translateY(0); }
                    75%  { transform: translateX(-32%) translateY(6px); }
                    100% { transform: translateX(-50%) translateY(0); }
                }

                @keyframes glowPulse {
                    0%   { opacity: 0.08; transform: scaleY(0.9); }
                    100% { opacity: 0.16; transform: scaleY(1.1); }
                }

                .news .section-header {
                    text-align: center;
                    margin-bottom: 60px;
                    position: relative;
                    z-index: 2;
                }

                .news .section-header .section-tag {
                    display: inline-block;
                    font-size: 40px;
                    font-weight: 800;
                    color: var(--text-primary);
                    margin-bottom: 8px;
                    letter-spacing: 2px;
                    background: none;
                    border: none;
                    padding: 0;
                }

                .news .section-header .section-title {
                    font-size: 35px;
                    font-weight: 700;
                    color: var(--primary);
                    margin-bottom: 0;
                }

                .news .section-header .section-subtitle {
                    font-size: 18px;
                    color: var(--text-secondary);
                    margin-top: 16px;
                }

                .news-container {
                    max-width: var(--container-max-width);
                    margin: 0 auto;
                    position: relative;
                    z-index: 1;
                }

                .news-grid {
                    display: grid;
                    grid-template-columns: repeat(3, 1fr);
                    gap: 24px;
                    margin-top: 60px;
                }

                .news-card {
                    background: var(--bg-card);
                    border: 1px solid var(--border-color);
                    border-radius: 12px;
                    overflow: hidden;
                    transition: var(--transition-normal);
                    cursor: pointer;
                }

                .news-card:hover {
                    border-color: var(--primary);
                    transform: translateY(-8px);
                    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                }

                .news-image {
                    position: relative;
                    height: 216px;
                    overflow: hidden;
                }

                .news-image img {
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
                    transition: var(--transition-normal);
                }

                .news-card:hover .news-image img {
                    transform: scale(1.1);
                }

                .news-date {
                    position: absolute;
                    top: 16px;
                    left: 16px;
                    background: var(--gradient-primary);
                    color: white;
                    padding: 8px 12px;
                    border-radius: 8px;
                    text-align: center;
                    min-width: 60px;
                }

                .news-date .day {
                    display: block;
                    font-size: 24px;
                    font-weight: 700;
                    line-height: 1;
                }

                .news-date .month {
                    display: block;
                    font-size: 12px;
                    opacity: 0.9;
                    margin-top: 4px;
                }

                .news-content {
                    padding: 24px;
                }

                .news-category {
                    display: inline-block;
                    font-size: 12px;
                    color: var(--primary);
                    background: rgba(242, 101, 34, 0.1);
                    padding: 4px 12px;
                    border-radius: 20px;
                    font-weight: 500;
                }

                .news-footer {
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                    margin-top: 16px;
                }

                .news-title {
                    font-size: 18px;
                    font-weight: 600;
                    color: var(--text-primary);
                    margin-bottom: 12px;
                    line-height: 1.4;
                    display: -webkit-box;
                    -webkit-line-clamp: 2;
                    -webkit-box-orient: vertical;
                    overflow: hidden;
                }

                .news-excerpt {
                    font-size: 14px;
                    color: var(--text-secondary);
                    line-height: 1.6;
                    display: -webkit-box;
                    -webkit-line-clamp: 3;
                    -webkit-box-orient: vertical;
                    overflow: hidden;
                    margin-bottom: 16px;
                }

                .news-link {
                    font-size: 14px;
                    color: var(--primary);
                    text-decoration: none;
                    font-weight: 500;
                    transition: var(--transition-fast);
                    display: inline-flex;
                    align-items: center;
                    gap: 4px;
                }

                .news-link:hover {
                    color: var(--primary-light);
                    gap: 8px;
                }

                .news-more {
                    text-align: center;
                    margin-top: 60px;
                }

                .news-more .btn {
                    display: inline-flex;
                    align-items: center;
                    gap: 8px;
                    padding: 16px 40px;
                    font-size: 16px;
                    font-weight: 600;
                }

                .news-more .btn svg {
                    width: 20px;
                    height: 20px;
                    transition: transform 0.3s ease;
                }

                .news-more .btn:hover svg {
                    transform: translateX(4px);
                }

                /* 联系我们 */
                .contact {
                    padding: 120px 60px;
                    background: url('images/hero/bg.jpg') center/cover;
                    position: relative;
                    overflow: hidden;
                }

                .contact .section-header {
                    text-align: center;
                    margin-bottom: 40px;
                }

                .contact .section-header .section-tag {
                    display: inline-block;
                    font-size: 40px;
                    font-weight: 800;
                    color: var(--text-primary);
                    margin-bottom: 8px;
                    letter-spacing: 2px;
                    background: none;
                    border: none;
                    padding: 0;
                }

                .contact .section-header .section-title {
                    font-size: 35px;
                    font-weight: 700;
                    color: var(--primary);
                    margin-bottom: 0;
                }

                .contact .section-header .section-subtitle {
                    font-size: 18px;
                    color: var(--text-secondary);
                    margin-top: 16px;
                }

                .contact-title {
                    color: var(--primary) !important;
                    font-size: 42px !important;
                    margin-bottom: 12px !important;
                }

                .contact-title-line {
                    width: 60px;
                    height: 3px;
                    background: var(--primary);
                    margin: 0 auto 20px;
                }

                .contact-subtitle {
                    font-size: 16px !important;
                    color: var(--text-secondary) !important;
                    margin-top: 0 !important;
                }

                .contact-features {
                    display: flex;
                    justify-content: center;
                    gap: 40px;
                    margin-top: 36px;
                    flex-wrap: wrap;
                }

                .contact-feature-item {
                    display: flex;
                    align-items: center;
                    gap: 8px;
                    color: var(--text-secondary);
                    font-size: 15px;
                }

                .contact-feature-check {
                    color: var(--primary);
                    font-weight: bold;
                    font-size: 18px;
                }

                .form-submit-wrapper {
                    display: flex;
                    justify-content: center;
                    margin-top: 20px;
                }

                .form-submit {
                    width: auto !important;
                    min-width: 160px;
                    padding: 14px 40px !important;
                    border-radius: 30px !important;
                }

                .contact::before {
                    content: '';
                    position: absolute;
                    top: 0;
                    left: 0;
                    right: 0;
                    height: 1px;
                    background: linear-gradient(90deg, transparent 0%, var(--primary) 50%, transparent 100%);
                }

                .contact::after {
                    content: '';
                    position: absolute;
                    top: 50%;
                    left: 50%;
                    width: 800px;
                    height: 800px;
                    background: radial-gradient(circle, rgba(242, 101, 34, 0.05) 0%, transparent 70%);
                    transform: translate(-50%, -50%);
                    pointer-events: none;
                }

                .contact-container {
                    max-width: 1040px;
                    margin: 0 auto;
                    position: relative;
                    z-index: 1;
                }

                .contact-form {
                    background: var(--bg-card);
                    border: 1px solid var(--border-color);
                    border-radius: 24px;
                    padding: 40px 48px;
                    margin-top: 40px;
                    position: relative;
                    overflow: hidden;
                    transition: var(--transition-normal);
                }

                .contact-form:hover {
                    border-color: var(--primary);
                    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                }

                .form-row {
                    display: grid;
                    grid-template-columns: 1fr 1fr;
                    gap: 20px;
                    margin-bottom: 12px;
                }

                .form-group {
                    margin-bottom: 12px;
                    position: relative;
                }

                .form-label {
                    display: block;
                    font-size: 14px;
                    font-weight: 500;
                    margin-bottom: 10px;
                    color: var(--text-secondary);
                    transition: var(--transition-fast);
                }

                .form-input,
                .form-textarea {
                    width: 100%;
                    padding: 16px 20px;
                    background: var(--bg-dark);
                    border: 1px solid var(--border-color);
                    border-radius: 12px;
                    color: var(--text-primary);
                    font-size: 15px;
                    transition: var(--transition-fast);
                    font-family: inherit;
                    position: relative;
                    z-index: 1;
                }

                .form-input:focus,
                .form-textarea:focus {
                    outline: none;
                    border-color: var(--primary);
                    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.1);
                }

                .form-input:focus + .form-label,
                .form-textarea:focus + .form-label {
                    color: var(--primary);
                }

                .form-textarea {
                    min-height: 100px;
                    resize: vertical;
                }

                .form-submit {
                    width: 100%;
                    padding: 18px;
                    font-size: 16px;
                    margin-top: 10px;
                    position: relative;
                    overflow: hidden;
                }

                .form-submit::before {
                    content: '';
                    position: absolute;
                    top: 0;
                    left: -100%;
                    width: 100%;
                    height: 100%;
                    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
                    transition: var(--transition-normal);
                }

                .form-submit:hover::before {
                    left: 100%;
                }

                /* 页脚 */
                .footer {
                    background: var(--bg-darker);
                    padding: 80px 60px 40px;
                    border-top: 1px solid var(--border-color);
                    position: relative;
                }

                .footer::before {
                    content: '';
                    position: absolute;
                    top: 0;
                    left: 0;
                    right: 0;
                    height: 1px;
                    background: linear-gradient(90deg, transparent 0%, var(--primary) 50%, transparent 100%);
                }

                .footer-container {
                    max-width: var(--container-max-width);
                    margin: 0 auto;
                    display: grid;
                    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
                    gap: 40px;
                    position: relative;
                    z-index: 1;
                }

                .footer-brand {
                    max-width: 300px;
                }

                .footer-logo {
                    display: flex;
                    align-items: center;
                    gap: 12px;
                    margin-bottom: 20px;
                    transition: var(--transition-fast);
                }

                .footer-logo:hover {
                    transform: scale(1.02);
                }

                .footer-logo-img {
                    height: 32px;
                    width: auto;
                    object-fit: contain;
                    display: block;
                }

                .footer-desc {
                    color: var(--text-muted);
                    font-size: 14px;
                    line-height: 1.8;
                    margin-bottom: 24px;
                }

                .footer-title {
                    font-size: 16px;
                    font-weight: 700;
                    margin-bottom: 24px;
                    position: relative;
                    padding-bottom: 12px;
                }

                .footer-title::after {
                    content: '';
                    position: absolute;
                    bottom: 0;
                    left: 0;
                    width: 40px;
                    height: 2px;
                    background: var(--gradient-primary);
                }

                .footer-links {
                    list-style: none;
                }

                .footer-link {
                    margin-bottom: 14px;
                }

                .footer-link a {
                    color: var(--text-muted);
                    text-decoration: none;
                    font-size: 14px;
                    transition: var(--transition-fast);
                    display: inline-flex;
                    align-items: center;
                    gap: 6px;
                    position: relative;
                }

                .footer-link a::before {
                    content: '';
                    position: absolute;
                    bottom: -2px;
                    left: 0;
                    width: 0;
                    height: 1px;
                    background: var(--primary);
                    transition: var(--transition-fast);
                }

                .footer-link a:hover {
                    color: var(--primary);
                    transform: translateX(4px);
                }

                .footer-link a:hover::before {
                    width: 100%;
                }

                .footer-contact-item {
                    margin-bottom: 12px;
                }

                .footer-contact-item .contact-label {
                    color: var(--text-muted);
                    font-size: 14px;
                    cursor: pointer;
                    transition: var(--transition-fast);
                }

                .footer-contact-item .contact-label:hover {
                    color: var(--primary);
                }

                .footer-bottom {
                    max-width: var(--container-max-width);
                    margin: 60px auto 0;
                    padding-top: 30px;
                    border-top: 1px solid var(--border-color);
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                    font-size: 14px;
                    color: var(--text-muted);
                    position: relative;
                    z-index: 1;
                }

                .footer-bottom-left {
                    color: var(--text-muted);
                    font-size: 14px;
                }

                @media (max-width: 768px) {
                    .footer {
                        padding: 60px 20px 30px;
                    }
                    .footer-container {
                        grid-template-columns: 1fr;
                        gap: 30px;
                    }
                    .footer-bottom {
                        flex-direction: column;
                        gap: 12px;
                        text-align: center;
                        font-size: 12px;
                    }
                }

                /* 动画 */
                @keyframes fadeInUp {
                    from {
                        opacity: 0;
                        transform: translateY(80px);
                    }
                    to {
                        opacity: 1;
                        transform: translateY(0);
                    }
                }

                @keyframes float {
                    0%, 100% {
                        transform: translateY(0);
                    }
                    50% {
                        transform: translateY(-15px);
                    }
                }

                @keyframes pulse {
                    0%, 100% {
                        box-shadow: 0 0 0 0 rgba(242, 101, 34, 0.4);
                    }
                    50% {
                        box-shadow: 0 0 0 10px rgba(242, 101, 34, 0);
                    }
                }

                @keyframes shimmer {
                    0% {
                        background-position: -200% 0;
                    }
                    100% {
                        background-position: 200% 0;
                    }
                }

                /* 滚动显示动画 - 渐变浮现效果 */
                .reveal {
                    opacity: 0;
                    transform: translateY(100px);
                    transition: all 1.2s cubic-bezier(0.22, 1, 0.36, 1);
                }

                .reveal.active {
                    opacity: 1;
                    transform: translateY(0);
                }

                /* 子元素错开动画 */
                .reveal-children > * {
                    opacity: 0;
                    transform: translateY(60px);
                    transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
                }

                .reveal-children.active > *:nth-child(1) { transition-delay: 0s; }
                .reveal-children.active > *:nth-child(2) { transition-delay: 0.1s; }
                .reveal-children.active > *:nth-child(3) { transition-delay: 0.2s; }
                .reveal-children.active > *:nth-child(4) { transition-delay: 0.3s; }
                .reveal-children.active > *:nth-child(5) { transition-delay: 0.4s; }
                .reveal-children.active > *:nth-child(6) { transition-delay: 0.5s; }
                .reveal-children.active > *:nth-child(7) { transition-delay: 0.6s; }
                .reveal-children.active > *:nth-child(8) { transition-delay: 0.7s; }

                .reveal-children.active > * {
                    opacity: 1;
                    transform: translateY(0);
                }

                /* 响应式 */
                @media (max-width: 1520px) {
                    /* 当屏幕宽度小于容器宽度+2倍padding时，使用固定padding */
                    .nav-left {
                        margin-left: var(--navbar-padding);
                    }
                    .nav-right {
                        margin-right: var(--navbar-padding);
                    }
                }

                @media (max-width: 1200px) {
                    .navbar {
                        padding: 0 40px;
                    }
                    .nav-left {
                        margin-left: 40px;
                    }
                    .nav-right {
                        margin-right: 40px;
                    }
                    .hero-content {
                        grid-template-columns: 1fr;
                        text-align: center;
                        gap: 60px;
                    }
                    .hero-description {
                        margin: 0 auto 40px;
                    }
                    .hero-buttons {
                        justify-content: center;
                    }
                    .features-grid {
                        grid-template-columns: 1fr;
                        gap: 30px;
                    }
                    .products-container {
                        grid-template-columns: 1fr;
                        gap: 40px;
                    }
                    .solutions-grid {
                        grid-template-columns: repeat(2, 1fr);
                        gap: 24px;
                    }
                    .news-grid {
                        grid-template-columns: repeat(2, 1fr);
                        gap: 20px;
                    }
                    .footer-container {
                        grid-template-columns: repeat(2, 1fr);
                        gap: 40px;
                    }
                    .section-title {
                        font-size: 36px;
                    }
                }

                @media (max-width: 768px) {
                    /* ===== 移动端全局重置 ===== */
                    *, *::before, *::after {
                        box-sizing: border-box;
                    }
                    body {
                        overflow-x: hidden;
                    }
                    img, video, iframe {
                        max-width: 100%;
                        height: auto;
                    }

                    /* ===== 导航栏 ===== */
                    .navbar {
                        display: flex;
                        flex-direction: row;
                        justify-content: space-between;
                        align-items: center;
                        padding: 0 1.25rem;
                        height: 4.375rem;
                    }
                    .nav-left {
                        order: 2;
                        margin-left: 0;
                        flex: 1;
                        justify-content: center;
                        display: flex;
                        align-items: center;
                    }
                    .logo {
                        margin: 0;
                        transform: none;
                        display: flex;
                    }
                    .logo img {
                        width: 8.125rem;
                        height: auto;
                        max-width: none;
                    }
                    .nav-center {
                        display: none;
                    }
                    .nav-right {
                        display: flex;
                        order: 3;
                        flex: 0 0 auto;
                        margin-right: 0;
                        gap: 1rem;
                        align-items: center;
                    }
                    .nav-menu {
                        display: none;
                    }
                    .logo-img {
                        width: 8.125rem;
                        height: auto;
                        max-width: none;
                    }
                    .search-icon {
                        display: none;
                    }
                    .lang-switch {
                        display: flex !important;
                        font-size: 0.8125rem;
                        gap: 0.25rem;
                        white-space: nowrap;
                    }
                    .mobile-menu-toggle {
                        display: flex;
                        order: 1;
                        width: 1.75rem;
                        height: 1.375rem;
                        flex-shrink: 0;
                    }
                    .mobile-menu-toggle span {
                        background: #ffffff;
                        height: 0.156rem;
                    }

                    /* ===== 首屏 Hero ===== */
                    .hero {
                        padding-top: 4.375rem;
                    }
                    .hero-content {
                        padding: 0 1.25rem;
                        gap: 2.5rem;
                        position: relative;
                        z-index: 10;
                        margin-left: auto !important;
                        margin-right: auto !important;
                        justify-items: center;
                        text-align: center;
                        display: flex;
                        flex-direction: column;
                        align-items: center;
                    }
                    .hero-title {
                        font-size: clamp(1.5rem, 5vw, 2rem);
                        line-height: 1.2;
                    }
                    .hero-subtitle {
                        font-size: clamp(1.75rem, 6vw, 2.25rem);
                    }
                    .hero-description {
                        font-size: clamp(0.9rem, 2.5vw, 1.0625rem);
                        margin: 0 auto 2.5rem;
                        max-width: 90vw;
                    }
                    .hero-buttons {
                        display: flex;
                        flex-direction: column;
                        align-items: center;
                        justify-content: center;
                        gap: 0.75rem;
                    }
                    .btn-outline {
                        display: none;
                    }
                    .hero-buttons .btn-primary {
                        display: none;
                    }
                    .btn {
                        padding: 0.75rem 1.5rem;
                        font-size: 0.875rem;
                    }

                    /* ===== 通用区块 ===== */
                    .why-us,
                    .products,
                    .solutions,
                    .contact {
                        padding: 3.75rem 1.25rem;
                    }
                    .section-header {
                        margin-bottom: 3.75rem;
                    }
                    .section-title {
                        font-size: clamp(1.25rem, 4vw, 1.5rem);
                    }
                    .section-subtitle {
                        font-size: 0.625rem;
                    }
                    .feature-card {
                        padding: 1.875rem;
                    }

                    /* ===== 解决方案 ===== */
                    .solutions-grid {
                        display: grid;
                        grid-template-columns: 1fr;
                        gap: 1.25rem;
                    }
                    .solution-card {
                        aspect-ratio: 3/2;
                    }

                    /* 解决方案屏 ─ 移动端字号 */
                    .solutions-header .section-tag { font-size: 2.125rem; }
                    .solutions-header .section-title { font-size: 1.5rem; }
                    .solutions-header .section-subtitle { font-size: 0.875rem; }

                    /* ===== 产品屏 ===== */
                    .products .section-header .section-tag {
                        font-size: 0;
                    }
                    .products .section-header .section-tag::before {
                        content: "PRODUCT";
                        font-size: 2.125rem;
                    }
                    .products .section-header .section-subtitle { font-size: 1.125rem; }
                    .product-card-subtitle { font-size: 0.9375rem; }
                    .product-features li { font-size: 0.8125rem; }
                    .product-card-image-wrapper { height: 10rem; }
                    .product-card-content { padding-top: 0.625rem; }

                    /* ===== 新闻屏 ===== */
                    .news .section-header .section-tag { font-size: 2.125rem; }
                    .news-title { font-size: 1.25rem; }
                    .news-excerpt { font-size: 0.9375rem; }
                    .news-footer { justify-content: flex-end; padding-right: 1.875rem; }
                    .news-link { text-decoration: none; }
                    .news-more .btn { text-decoration: none; }
                    .news-grid {
                        display: grid;
                        grid-template-columns: 1fr;
                        gap: 1rem;
                    }
                    .news {
                        padding: 6.75rem 1.25rem;
                    }

                    /* ===== 联系我们 ===== */
                    .contact-form {
                        padding: 1.875rem;
                    }
                    .form-row {
                        display: grid;
                        grid-template-columns: 1fr 1fr;
                        gap: 0.75rem;
                    }
                    .form-group {
                        margin-bottom: 0.75rem;
                    }
                    .form-label {
                        margin-bottom: 0.375rem;
                    }
                    .form-input,
                    .form-textarea {
                        padding: 0.875rem 1rem;
                        font-size: 0.875rem;
                        width: 100%;
                    }
                    .form-submit {
                        padding: 1.25rem;
                        font-size: 1.0625rem;
                        text-align: center;
                        width: 100%;
                    }
                    .contact .section-header .section-tag { font-size: 2.125rem; }
                    .contact-title { font-size: 1.5rem !important; }
                    .contact-subtitle { font-size: 0.875rem !important; margin-top: 0.5rem !important; }

                    /* 四个特性同一行 */
                    .contact-features {
                        display: flex;
                        flex-wrap: nowrap !important;
                        gap: 0.75rem !important;
                        font-size: 0.75rem;
                        justify-content: center;
                        overflow-x: auto;
                        -webkit-overflow-scrolling: touch;
                    }
                    .contact-feature-item {
                        font-size: 0.75rem;
                        white-space: nowrap;
                        flex-shrink: 0;
                    }
                    .contact-feature-check { font-size: 0.875rem; }

                    /* 按钮去箭头 */
                    .btn-more span:last-child { display: none; }
                    .news-more .btn svg { display: none; }
                    .form-submit > span:last-child { display: none; }

                    /* ===== 页脚 ===== */
                    .footer {
                        padding: 2.5rem 1.25rem 1.875rem;
                    }
                    .footer-container {
                        display: grid;
                        grid-template-columns: 1fr;
                        gap: 1.25rem;
                        text-align: center;
                    }
                    .footer-brand {
                        max-width: 100%;
                        margin: 0 auto;
                        text-align: center;
                        display: flex;
                        flex-direction: column;
                        align-items: center;
                    }
                    .footer-logo {
                        display: flex;
                        justify-content: center;
                    }
                    .footer-logo-img {
                        width: 8.125rem;
                        height: auto;
                    }
                    .footer-desc {
                        text-align: center;
                        max-width: 90vw;
                    }
                    .footer-col {
                        display: none;
                    }
                    .footer-bottom {
                        display: flex;
                        flex-direction: column;
                        gap: 0.75rem;
                        text-align: center;
                        font-size: 0.75rem;
                    }
                    /* ===== 动态背景优化 ===== */
                    .hero-bg-grid {
                        background-size: 30px 30px;
                    }
                    .hero-bg-glow {
                        width: 25rem;
                        height: 25rem;
                    }

                    /* ===== 关闭图标：右侧+圆形背景 ===== */
                    .mobile-menu-close {
                        left: auto !important;
                        right: 1.5rem !important;
                        width: 2.5rem;
                        height: 2.5rem;
                        border-radius: 50%;
                        background: rgba(255, 255, 255, 0.12);
                    }
                    .mobile-menu-close:hover {
                        background: rgba(255, 255, 255, 0.2);
                    }
                }

                @media (max-width: 992px) {
                    .nav-menu {
                        gap: 20px;
                    }
                    .nav-item {
                        font-size: 14px;
                    }
                    .nav-icon {
                        width: 16px;
                        height: 16px;
                    }
                }

                @media (max-width: 480px) {
                    .hero-subtitle {
                        font-size: 33px;
                    }
                    .section-title {
                        font-size: 24px;
                    }
                    .feature-card {
                        padding: 24px;
                    }
                    .feature-icon {
                        width: 56px;
                        height: 56px;
                        font-size: 24px;
                        margin-bottom: 20px;
                    }
                    .feature-title {
                        font-size: 20px;
                    }
                    .product-tab {
                        padding: 20px;
                    }
                    .tab-title {
                        font-size: 20px;
                    }
                    .solution-title {
                        font-size: 20px;
                    }
                    .solution-desc {
                        font-size: 15px;
                    }
                    .solutions-images {
                        gap: 12px;
                    }
                    .solutions-images img {
                        width: 100%;
                        max-width: 200px;
                        height: auto;
                        aspect-ratio: 4 / 3;
                    }
                    .solution-item {
                        flex-direction: column;
                        gap: 40px;
                        padding: 0;
                    }
                    .solution-item.active {
                        flex-direction: column;
                        gap: 40px;
                    }
                    .solution-nav {
                        width: 40px;
                        height: 40px;
                    }
                    .solution-nav.prev {
                        left: 10px;
                    }
                    .solution-nav.next {
                        right: 10px;
                    }
                    .solution-nav svg {
                        width: 20px;
                        height: 20px;
                    }
                    .orbit-container {
                        width: 300px;
                        height: 300px;
                    }
                    .orbit-center {
                        width: 80px;
                        height: 80px;
                        font-size: 32px;
                    }
                    .orbit-ring-1 {
                        width: 180px;
                        height: 180px;
                    }
                    .orbit-ring-2 {
                        width: 260px;
                        height: 260px;
                    }
                    .orbit-node {
                        width: 40px;
                        height: 40px;
                        font-size: 16px;
                    }
                    .products-grid {
                        gap: 20px;
                    }
                    .products-grid .product-card {
                        flex: 0 0 85%;
                        min-width: 280px;
                        opacity: 1 !important;
                        transform: translateY(0) !important;
                    }

                    /* 覆盖 reveal-children 动画 */
                    .products-grid.reveal-children > .product-card,
                    .products-grid.reveal-children.active > .product-card {
                        opacity: 1 !important;
                        transform: translateY(0) !important;
                    }
                    .product-card-image {
                        height: 150px;
                    }
                    .features-grid {
                        grid-template-columns: 1fr;
                        gap: 20px;
                    }

                }

                /* 加载动画 */
                .loader {
                    position: fixed;
                    inset: 0;
                    background: var(--bg-dark);
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    z-index: 9999;
                    transition: opacity 0.5s, visibility 0.5s;
                }

                .loader.hidden {
                    opacity: 0;
                    visibility: hidden;
                }

                .loader-spinner {
                    width: 50px;
                    height: 50px;
                    border: 3px solid var(--border-color);
                    border-top-color: var(--primary);
                    border-radius: 50%;
                    animation: spin 1s linear infinite;
                }

                @keyframes spin {
                    to {
                        transform: rotate(360deg);
                    }
                }

                /* 预加载关键资源 */
                @media print {
                    body {
                        display: none;
                    }
                }

                /* 右侧浮动工具条 */
                .float-sidebar {
                    position: fixed;
                    right: 20px;
                    bottom: 100px;
                    z-index: 9999;
                    display: flex;
                    flex-direction: column;
                    gap: 12px;
                }

                .float-item {
                    width: 52px;
                    height: 52px;
                    background: var(--primary);
                    border-radius: 50%;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    cursor: pointer;
                    position: relative;
                    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
                    box-shadow: 0 4px 12px rgba(242, 101, 34, 0.3);
                }

                .float-item:hover {
                    transform: scale(1.1);
                    box-shadow: 0 6px 20px rgba(242, 101, 34, 0.4);
                }

                .float-icon {
                    width: 24px;
                    height: 24px;
                    color: white;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
                }

                .float-icon svg {
                    width: 100%;
                    height: 100%;
                    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
                }

                /* 微信图标悬停效果 - 旋转 */
                .float-item:nth-child(1):hover .float-icon svg {
                    animation: iconRotate 0.5s ease;
                }

                /* 邮件图标悬停效果 - 左右摆动 */
                .float-item:nth-child(2):hover .float-icon svg {
                    animation: iconSwing 0.5s ease;
                }

                /* 电话图标悬停效果 - 上下跳动 */
                .float-item:nth-child(3):hover .float-icon svg {
                    animation: iconBounce 0.5s ease;
                }

                /* 回到顶部图标悬停效果 - 向上飞 */
                .float-item.float-backtop:hover .float-icon svg {
                    animation: iconFlyUp 0.5s ease;
                }

                /* 图标动画定义 */
                @keyframes iconRotate {
                    0% { transform: rotate(0deg); }
                    50% { transform: rotate(-15deg); }
                    100% { transform: rotate(0deg); }
                }

                @keyframes iconSwing {
                    0%, 100% { transform: rotate(0deg); }
                    20% { transform: rotate(15deg); }
                    40% { transform: rotate(-15deg); }
                    60% { transform: rotate(10deg); }
                    80% { transform: rotate(-10deg); }
                }

                @keyframes iconBounce {
                    0%, 100% { transform: translateY(0); }
                    25% { transform: translateY(-5px); }
                    50% { transform: translateY(0); }
                    75% { transform: translateY(-3px); }
                }

                @keyframes iconFlyUp {
                    0% { transform: translateY(0); opacity: 1; }
                    50% { transform: translateY(-10px); opacity: 0.7; }
                    100% { transform: translateY(0); opacity: 1; }
                }

                .float-backtop {
                    opacity: 0;
                    visibility: hidden;
                    transform: translateY(20px);
                    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
                }

                .float-backtop.visible {
                    opacity: 1;
                    visibility: visible;
                    transform: translateY(0);
                }

                /* Tooltip 提示 */
                .float-item::before {
                    content: attr(data-tooltip);
                    position: absolute;
                    right: 60px;
                    top: 50%;
                    transform: translateY(-50%) scale(0.9);
                    background: var(--bg-card);
                    color: var(--text-primary);
                    padding: 8px 12px;
                    border-radius: 6px;
                    font-size: 13px;
                    white-space: nowrap;
                    opacity: 0;
                    visibility: hidden;
                    transition: all 0.3s ease;
                    border: 1px solid var(--border-color);
                    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
                }

                .float-item:hover::before {
                    opacity: 1;
                    visibility: visible;
                    transform: translateY(-50%) scale(1);
                }

                /* 微信二维码弹窗 */
                .float-wechat-popup {
                    position: absolute;
                    right: 62px;
                    top: 50%;
                    transform: translateY(-50%) scale(0.9);
                    background: white;
                    border: 1px solid #e5e7eb;
                    border-radius: 12px;
                    padding: 12px;
                    opacity: 0;
                    visibility: hidden;
                    transition: all 0.3s ease;
                    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
                    z-index: 9999;
                    width: 140px;
                }

                .float-wechat:hover .float-wechat-popup {
                    opacity: 1;
                    visibility: visible;
                    transform: translateY(-50%) scale(1);
                }

                /* 禁用微信图标的文字tooltip */
                .float-wechat::before {
                    display: none !important;
                }

                .float-wechat-popup img {
                    width: 100%;
                    height: auto;
                    border-radius: 8px;
                    display: block;
                }

                .float-wechat-popup p {
                    margin: 8px 0 0;
                    font-size: 12px;
                    color: #6b7280;
                    text-align: center;
                    white-space: nowrap;
                }

                .float-wechat-popup::after {
                    content: '';
                    position: absolute;
                    right: -8px;
                    top: 50%;
                    transform: translateY(-50%);
                    width: 0;
                    height: 0;
                    border-top: 8px solid transparent;
                    border-bottom: 8px solid transparent;
                    border-left: 8px solid white;
                }

                /* 移动端菜单样式 */
                .mobile-menu-toggle {
                    display: none;
                    width: 28px;
                    height: 22px;
                    flex-direction: column;
                    justify-content: space-between;
                    cursor: pointer;
                    z-index: 1001;
                }

                @media (max-width: 768px) {
                    .mobile-menu-toggle {
                        display: flex !important;
                    }
                    .lang-switch {
                        display: flex !important;
                    }
                }

                .mobile-menu-toggle span {
                    display: block;
                    width: 100%;
                    height: 2px;
                    background: var(--text-primary);
                    transition: all 0.3s ease;
                }

                .mobile-menu {
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    z-index: 2000;
                    opacity: 0;
                    visibility: hidden;
                    transition: all 0.3s ease;
                }

                .mobile-menu.active {
                    opacity: 1;
                    visibility: visible;
                }

                .mobile-menu-overlay {
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background: rgba(0, 0, 0, 0.5);
                }

                .mobile-menu-panel {
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 80%;
                    max-width: 320px;
                    height: 100%;
                    background: var(--bg-dark);
                    padding: 80px 24px 24px;
                    transform: translateX(-100%);
                    transition: transform 0.3s ease;
                    overflow-y: auto;
                }

                .mobile-menu.active .mobile-menu-panel {
                    transform: translateX(0);
                }

                .mobile-menu-close {
                    position: absolute;
                    top: 24px;
                    left: 24px;
                    width: 40px;
                    height: 40px;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    color: var(--text-primary);
                    cursor: pointer;
                    border-radius: 8px;
                    transition: all 0.3s ease;
                }

                .mobile-menu-close:hover {
                    background: rgba(255, 255, 255, 0.1);
                }

                .mobile-menu-list {
                    list-style: none;
                }

                .mobile-menu-item {
                    border-bottom: 1px solid var(--border-color);
                }

                .mobile-menu-item > a,
                .mobile-menu-item > span {
                    display: flex;
                    align-items: center;
                    justify-content: space-between;
                    padding: 16px 0;
                    color: var(--text-primary);
                    font-size: 16px;
                    font-weight: 500;
                    cursor: pointer;
                    text-decoration: none;
                }

                .mobile-menu-item > a:hover,
                .mobile-menu-item > span:hover {
                    color: var(--primary);
                }

                .mobile-menu-dropdown {
                    display: flex;
                    flex-wrap: wrap;
                    align-items: center;
                    justify-content: space-between;
                }

                .mobile-menu-dropdown > span {
                    flex: 1;
                    padding: 16px 0;
                }

                .mobile-menu-dropdown .dropdown-icon {
                    margin-left: 8px;
                    flex-shrink: 0;
                    transition: transform 0.3s ease;
                }

                .mobile-menu-dropdown .mobile-submenu {
                    width: 100%;
                }

                .mobile-menu-dropdown.active .dropdown-icon {
                    transform: rotate(180deg);
                }

                .mobile-submenu {
                    list-style: none;
                    max-height: 0;
                    overflow: hidden;
                    transition: max-height 0.3s ease;
                }

                .mobile-menu-dropdown.active .mobile-submenu {
                    max-height: 500px;
                }

                .mobile-submenu li a {
                    display: block;
                    padding: 12px 0 12px 20px;
                    color: var(--text-secondary);
                    font-size: 14px;
                    text-decoration: none;
                    transition: color 0.3s ease;
                }

                .mobile-submenu li a:hover {
                    color: var(--primary);
                }

                /* 响应式隐藏 */
                @media (max-width: 768px) {
                    .float-sidebar {
                        right: 10px;
                        bottom: 80px;
                        gap: 8px;
                    }

                    .float-item {
                        width: 44px;
                        height: 44px;
                    }

                    .float-icon {
                        width: 20px;
                        height: 20px;
                    }
                }

                /* 图片灯箱样式 */
                .lightbox {
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    z-index: 10000;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    opacity: 0;
                    visibility: hidden;
                    transition: all 0.3s ease;
                }

                .lightbox.active {
                    opacity: 1;
                    visibility: visible;
                }

                .lightbox-overlay {
                    position: absolute;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background: rgba(0, 0, 0, 0.9);
                    cursor: pointer;
                }

                .lightbox-content {
                    position: relative;
                    max-width: 90vw;
                    max-height: 90vh;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                }

                .lightbox-image {
                    max-width: 100%;
                    max-height: 85vh;
                    object-fit: contain;
                    border-radius: 8px;
                    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
                    transform: scale(0.9);
                    transition: transform 0.3s ease;
                }

                .lightbox.active .lightbox-image {
                    transform: scale(1);
                }

                .lightbox-close {
                    position: absolute;
                    top: -50px;
                    right: 0;
                    width: 40px;
                    height: 40px;
                    background: transparent;
                    border: none;
                    border-radius: 0;
                    cursor: pointer;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    color: white;
                    transition: all 0.3s ease;
                    z-index: 10;
                }

                .lightbox-close:hover {
                    color: var(--primary);
                    transform: rotate(90deg);
                }

                .lightbox-close svg {
                    width: 28px;
                    height: 28px;
                }

                .lightbox-nav {
                    position: absolute;
                    top: 50%;
                    transform: translateY(-50%);
                    width: 40px;
                    height: 40px;
                    background: transparent;
                    border: none;
                    border-radius: 0;
                    cursor: pointer;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    color: white;
                    transition: all 0.3s ease;
                    z-index: 10;
                }

                .lightbox-nav:hover {
                    color: var(--primary);
                }

                .lightbox-nav svg {
                    width: 32px;
                    height: 32px;
                }

                .lightbox-prev {
                    left: -80px;
                }

                .lightbox-next {
                    right: -80px;
                }

                .lightbox-counter {
                    position: absolute;
                    bottom: -40px;
                    left: 50%;
                    transform: translateX(-50%);
                    color: white;
                    font-size: 14px;
                    background: rgba(0, 0, 0, 0.5);
                    padding: 6px 16px;
                    border-radius: 20px;
                }

                /* 灯箱响应式 */
                @media (max-width: 768px) {
                    .lightbox-prev {
                        left: 10px;
                    }

                    .lightbox-next {
                        right: 10px;
                    }

                    .lightbox-nav {
                        width: 40px;
                        height: 40px;
                    }

                    .lightbox-close {
                        top: 20px;
                        right: 20px;
                    }
                }

                /* 图片点击光标 */
                .solutions-images img {
                    cursor: zoom-in;
                }
            </style>
        </head>
        <body>
        <!-- 导航栏 -->
        <nav class="navbar" id="navbar">
            <div class="nav-left">
                <a href="index.html" class="logo">
                    <img src="images/logo.png" alt="管之美" class="logo-img">
                </a>
            </div>
            <div class="nav-center">
                <ul class="nav-menu">
                    <li class="nav-item active" onclick="window.location.href='index.html'">
                        <span>首页</span>
                    </li>
                    <li class="nav-item nav-item-dropdown">
                        <span>产品中心</span>
                        <span class="dropdown-arrow">▼</span>
                        <div class="dropdown-menu">
                            <a href="product-erp.html" class="dropdown-item">美·智链ERP</a>
                            <a href="product-mes.html" class="dropdown-item">美·智造MES</a>
                            <a href="product-bi.html" class="dropdown-item">美·智视BI</a>
                            <a href="product-pda.html" class="dropdown-item">美·移动APP</a>
                            <a href="product-saas.html" class="dropdown-item">美·灵搭LRDP</a>
                        </div>
                    </li>
                    <li class="nav-item nav-item-dropdown">
                        <span>解决方案</span>
                        <span class="dropdown-arrow">▼</span>
                        <div class="dropdown-menu">
                            <a href="solution-building.html" class="dropdown-item">建筑铝型材</a>
                            <a href="solution-industrial.html" class="dropdown-item">工业铝型材</a>
                            <a href="solution-pv.html" class="dropdown-item">光伏铝型材</a>
                            <a href="solution-auto.html" class="dropdown-item">汽车零部件铝型材</a>
                        </div>
                    </li>
                    <li class="nav-item" onclick="window.location.href='management.html'">
                        <span>管理咨询</span>
                    </li>
                    <li class="nav-item" onclick="window.location.href='service.html'">
                        <span>服务中心</span>
                    </li>
                    <li class="nav-item" onclick="window.location.href='news.html'">
                        <span>新闻动态</span>
                    </li>
                    <li class="nav-item nav-item-dropdown">
                        <span>关于我们</span>
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                    const data = {
                        type: '线上留言',
                        companyName: document.getElementById('cf-company').value.trim(),
                        industryType: document.getElementById('cf-industry').value.trim(),
                        name: document.getElementById('cf-name').value.trim(),
                        phone: document.getElementById('cf-phone').value.trim(),
                        content: document.getElementById('cf-content').value.trim(),
                        status: 0
                    };

                    console.log('提交的表单数据:', JSON.stringify(data));

                    // 前端校验
                    if (!data.companyName || !data.name || !data.phone) {
                        alert('请填写必填项：企业名称、联系人、联系电话');
                        btn.disabled = false;
                        btn.innerHTML = originalHTML;
                        return;
                    }

                    var apiUrl = window.location.origin + '/gw/api/message/add';
                    console.log('请求地址:', apiUrl);

                    fetch(apiUrl, {
                        method: 'POST',
                        headers: { 'Content-Type': 'application/json;charset=UTF-8' },
                        body: JSON.stringify(data)
                    })
                    .then(function(res) {
                        console.log('响应状态:', res.status);
                        return res.json();
                    })
                    .then(function(result) {
                        console.log('后端返回结果:', JSON.stringify(result));
                        if (result.code === 200) {
                            btn.innerHTML = '<span>提交成功！</span><span>✓</span>';
                            btn.style.background = '#10b981';
                            setTimeout(function() {
                                btn.innerHTML = originalHTML;
                                btn.style.background = '';
                                btn.disabled = false;
                                document.getElementById('contact-form').reset();
                            }, 3000);
                        } else {
                            alert('提交失败：' + (result.message || '请稍后重试'));
                            btn.innerHTML = originalHTML;
                            btn.disabled = false;
                        }
                    })
                    .catch(function(err) {
                        console.error('提交异常:', err);
                        alert('网络异常，请稍后重试');
                        btn.innerHTML = originalHTML;
                        btn.disabled = false;
                    });
                });
            } else {
                console.error('✗ 未找到联系表单元素 #contact-form');
            }

            // 弹窗表单提交
            var contactModalForm = document.getElementById('contactModalForm');
            if (contactModalForm) {
                contactModalForm.addEventListener('submit', function(e) {
                    e.preventDefault();

                    var btn = this.querySelector('.form-submit');
                    var originalHTML = btn.innerHTML;
                    btn.disabled = true;
                    btn.innerHTML = '<span>提交中...</span>';

                    var data = {
                        type: '线上留言',
                        companyName: document.getElementById('cmf-company').value.trim(),
                        industryType: document.getElementById('cmf-industry').value.trim(),
                        name: document.getElementById('cmf-name').value.trim(),
                        phone: document.getElementById('cmf-phone').value.trim(),
                        content: document.getElementById('cmf-content').value.trim(),
                        status: 0
                    };

                    if (!data.companyName || !data.name || !data.phone) {
                        alert('请填写必填项：企业名称、联系人、联系电话');
                        btn.disabled = false;
                        btn.innerHTML = originalHTML;
                        return;
                    }

                    var apiUrl = window.location.origin + '/gw/api/message/add';

                    fetch(apiUrl, {
                        method: 'POST',
                        headers: { 'Content-Type': 'application/json;charset=UTF-8' },
                        body: JSON.stringify(data)
                    })
                    .then(function(res) { return res.json(); })
                    .then(function(result) {
                        if (result.code === 0 || result.code === 200 || result.success) {
                            btn.style.display = 'none';
                            this.querySelector('.form-row').style.display = 'none';
                            this.querySelectorAll('.form-group').forEach(function(g) { g.style.display = 'none'; });
                            this.querySelector('.form-submit-wrapper').style.display = 'none';
                            document.getElementById('contactModalSuccess').style.display = 'block';
                            setTimeout(function() {
                                closeContactModal();
                                document.getElementById('contactModalSuccess').style.display = 'none';
                                contactModalForm.reset();
                                contactModalForm.querySelector('.form-row').style.display = '';
                                contactModalForm.querySelectorAll('.form-group').forEach(function(g) { g.style.display = ''; });
                                contactModalForm.querySelector('.form-submit-wrapper').style.display = '';
                                btn.style.display = '';
                                btn.innerHTML = originalHTML;
                                btn.disabled = false;
                            }, 2500);
                        } else {
                            alert('提交失败：' + (result.message || '请稍后重试'));
                            btn.disabled = false;
                            btn.innerHTML = originalHTML;
                        }
                    }.bind(this))
                    .catch(function(err) {
                        console.error('提交出错:', err);
                        alert('网络错误，请稍后重试');
                        btn.disabled = false;
                        btn.innerHTML = originalHTML;
                    });
                });
            }

            // 新闻卡片动画延迟
            document.querySelectorAll('.news-card').forEach((card, index) => {
                card.style.transitionDelay = `${index * 100}ms`;
            });

            // 优化动画性能
            function optimizeAnimations() {
                // 使用will-change属性优化动画性能
                const animatedElements = document.querySelectorAll('.feature-card, .product-tab, .solution-card, .news-card');
                animatedElements.forEach(element => {
                    element.style.willChange = 'transform, opacity';
                });
            }

            // 右侧浮动条功能
            function initFloatSidebar() {
                const backToTopBtn = document.getElementById('backToTop');
                const floatItems = document.querySelectorAll('.float-item:not(.float-backtop)');

                // 滚动时显示/隐藏回到顶部按钮
                window.addEventListener('scroll', () => {
                    if (window.scrollY > 300) {
                        backToTopBtn.classList.add('visible');
                    } else {
                        backToTopBtn.classList.remove('visible');
                    }
                }, { passive: true });

                // 回到顶部功能
                backToTopBtn.addEventListener('click', () => {
                    window.scrollTo({
                        top: 0,
                        behavior: 'smooth'
                    });
                });

                // 其他浮动按钮点击事件
                floatItems.forEach(item => {
                    item.addEventListener('click', () => {
                        const tooltip = item.getAttribute('data-tooltip');
                        const action = item.getAttribute('data-action');
                        const contactValue = item.getAttribute('data-contact-value');
                        const contactType = item.getAttribute('data-contact-type');
                        if (tooltip === '微信咨询') {
                            openWechatQrModal();
                        } else if ((tooltip === '邮件咨询' || tooltip === '电话咨询') && contactValue) {
                            // 移动端/PC端：弹窗显示
                            showContactInfoModal(contactType, contactValue);
                        }
                    });
                });
            }

            // 图片灯箱功能
            let currentLightboxIndex = 0;
            let currentLightboxImages = [];

            function initLightbox() {
                const lightbox = document.getElementById('lightbox');
                const lightboxImage = document.getElementById('lightboxImage');
                const lightboxCurrent = document.getElementById('lightboxCurrent');
                const lightboxTotal = document.getElementById('lightboxTotal');
                const closeBtn = lightbox.querySelector('.lightbox-close');
                const prevBtn = lightbox.querySelector('.lightbox-prev');
                const nextBtn = lightbox.querySelector('.lightbox-next');
                const overlay = lightbox.querySelector('.lightbox-overlay');

                // 为所有解决方案图片添加点击事件
                document.querySelectorAll('.solutions-images img').forEach((img, index) => {
                    img.addEventListener('click', function() {
                        // 获取当前解决方案的所有图片
                        const solutionItem = this.closest('.solution-item');
                        if (solutionItem) {
                            currentLightboxImages = Array.from(solutionItem.querySelectorAll('.solutions-images img'));
                            currentLightboxIndex = currentLightboxImages.indexOf(this);
                            openLightbox();
                        }
                    });
                });

                function openLightbox() {
                    if (currentLightboxImages.length === 0) return;

                    const img = currentLightboxImages[currentLightboxIndex];
                    lightboxImage.src = img.src;
                    lightboxImage.alt = img.alt;
                    lightboxCurrent.textContent = currentLightboxIndex + 1;
                    lightboxTotal.textContent = currentLightboxImages.length;
                    lightbox.classList.add('active');
                    document.body.style.overflow = 'hidden';
                }

                function closeLightbox() {
                    lightbox.classList.remove('active');
                    document.body.style.overflow = '';
                }

                function showPrev() {
                    if (currentLightboxImages.length === 0) return;
                    currentLightboxIndex = (currentLightboxIndex - 1 + currentLightboxImages.length) % currentLightboxImages.length;
                    updateLightboxImage();
                }

                function showNext() {
                    if (currentLightboxImages.length === 0) return;
                    currentLightboxIndex = (currentLightboxIndex + 1) % currentLightboxImages.length;
                    updateLightboxImage();
                }

                function updateLightboxImage() {
                    const img = currentLightboxImages[currentLightboxIndex];
                    lightboxImage.src = img.src;
                    lightboxImage.alt = img.alt;
                    lightboxCurrent.textContent = currentLightboxIndex + 1;
                }

                // 事件监听
                closeBtn.addEventListener('click', closeLightbox);
                overlay.addEventListener('click', closeLightbox);
                prevBtn.addEventListener('click', showPrev);
                nextBtn.addEventListener('click', showNext);

                // 键盘导航
                document.addEventListener('keydown', function(e) {
                    if (!lightbox.classList.contains('active')) return;

                    switch(e.key) {
                        case 'Escape':
                            closeLightbox();
                            break;
                        case 'ArrowLeft':
                            showPrev();
                            break;
                        case 'ArrowRight':
                            showNext();
                            break;
                    }
                });
            }

            // ===== 星云背景飘浮光点 =====
            function initNebulaParticles() {
                const container = document.getElementById('nebulaParticles');
                if (!container) return;

                container.innerHTML = '';

                const count = 40;
                const containerWidth = container.offsetWidth || window.innerWidth;
                const containerHeight = container.offsetHeight || 320;

                for (let i = 0; i < count; i++) {
                    const dot = document.createElement('div');
                    dot.className = 'nebula-particle';

                    const size = 1.5 + Math.random() * 3;
                    const hue = 190 + Math.random() * 30;
                    const alpha = 0.15 + Math.random() * 0.35;
                    const x = Math.random() * containerWidth;
                    const y = 40 + Math.random() * containerHeight * 0.7;
                    const rise = -20 - Math.random() * 100;
                    const drift = -15 + Math.random() * 30;
                    const dur = 8.5 + Math.random() * 14;
                    const delay = Math.random() * dur;

                    dot.style.cssText = [
                        `width: ${size}px`,
                        `height: ${size}px`,
                        `background: hsla(${hue}, 70%, 65%, ${alpha})`,
                        `box-shadow: 0 0 ${size * 2}px hsla(${hue}, 80%, 60%, ${alpha * 0.8})`,
                        `left: ${x}px`,
                        `bottom: ${y}px`,
                        `--pt-rise: ${rise}px`,
                        `--pt-drift: ${drift}px`,
                        `--pt-op: ${alpha}`,
                        `animation: particleFloat ${dur}s ease-in-out infinite`,
                        `animation-delay: ${delay}s`
                    ].join(';');

                    container.appendChild(dot);
                }
            }

            // 初始化优化
            window.addEventListener('DOMContentLoaded', () => {
                optimizeAnimations();
                initFloatSidebar();
                initLightbox();
                initNebulaParticles();
            });

            // 搜索功能 - 全站搜索索引
            const searchIndex = [
                { title: '美·智链ERP管理系统', desc: '覆盖财务、采购、销售、库存等核心环节，提升运营效率', category: '产品中心', url: 'product-erp.html', keywords: 'ERP,智链,财务,采购,销售,库存,管理系统' },
                { title: '美·智造MES系统', desc: '实时监控生产数据，优化工艺流程，提高生产效率', category: '产品中心', url: 'product-mes.html', keywords: 'MES,智造,生产,制造执行,工艺流程,生产数据' },
                { title: '美·智视BI数据分析平台', desc: '自动汇总经营、生产、供应链多维度数据，辅助管理层科学决策', category: '产品中心', url: 'product-bi.html', keywords: 'BI,数据分析,智能BI,报表,可视化,经营数据,供应链' },
                { title: '美·移动APP', desc: '移动端扫码作业，随时随地处理业务，提升现场效率', category: '产品中心', url: 'product-pda.html', keywords: '移动APP,PDA,扫码,移动端,移动办公' },
                { title: '美·灵搭LRDP零代码开发平台', desc: '快速搭建业务表单、流程应用，灵活适配企业个性化管理需求', category: '产品中心', url: 'product-saas.html', keywords: '零代码,LRDP,灵搭,低代码,表单,流程,个性化' },
                { title: '铝型材行业解决方案', desc: '针对铝型材行业特点，提供全流程数字化管理解决方案', category: '解决方案', url: 'solution-industrial.html', keywords: '铝型材,行业方案,工业型材,数字化工厂' },
                { title: '建筑型材解决方案', desc: '建筑门窗幕墙型材企业数字化管理，提升项目交付能力', category: '解决方案', url: 'solution-building.html', keywords: '建筑,门窗,幕墙,建筑型材,项目管理' },
                { title: '汽车轻量化解决方案', desc: '汽车零部件铝型材企业数字化转型，满足汽车行业质量追溯要求', category: '解决方案', url: 'solution-auto.html', keywords: '汽车,轻量化,汽车零部件,质量追溯' },
                { title: '光伏型材解决方案', desc: '光伏支架型材企业数字化管理，适应批量定制化生产模式', category: '解决方案', url: 'solution-pv.html', keywords: '光伏,太阳能,光伏支架,批量定制' },
                { title: '解决方案展示', desc: '多行业数字化工厂解决方案展示，助力企业转型升级', category: '解决方案', url: 'solution-showcase.html', keywords: '解决方案,案例展示,数字化工厂' },
                { title: '关于管之美', desc: '专注于铝型材行业数字化转型，提供一站式数字化工厂解决方案', category: '关于我们', url: 'about-us.html', keywords: '关于我们,公司介绍,管之美,企业简介' },
                { title: '大扬铝业客户案例', desc: '大扬铝业数字化转型成功案例，实现生产效率提升30%', category: '客户案例', url: 'case-dayang.html', keywords: '大扬铝业,客户案例,成功案例,生产效率' },
                { title: '高科铝业客户案例', desc: '高科铝业MES系统实施案例，打造智能工厂标杆', category: '客户案例', url: 'case-gaoka.html', keywords: '高科铝业,客户案例,智能工厂,MES实施' },
                { title: '立信铝业客户案例', desc: '立信铝业ERP系统应用案例，全面提升企业管理水平', category: '客户案例', url: 'case-lixin.html', keywords: '立信铝业,客户案例,ERP,管理提升' },
                { title: '龙图铝业客户案例', desc: '龙图铝业数字化转型案例，实现全链路数字化管理', category: '客户案例', url: 'case-longtu.html', keywords: '龙图铝业,客户案例,数字化转型,全链路' },
                { title: '粤创铝业客户案例', desc: '粤创铝业数字化工厂建设案例，智能制造升级实践', category: '客户案例', url: 'case-yuechuang.html', keywords: '粤创铝业,客户案例,智能制造,数字化工厂' },
                { title: '新闻动态', desc: '了解管之美最新动态、行业资讯和技术分享', category: '新闻中心', url: 'news.html', keywords: '新闻,动态,资讯,行业动态' },
                { title: '服务与支持', desc: '全方位服务支持体系，保障系统稳定运行和业务持续发展', category: '服务支持', url: 'service.html', keywords: '服务,支持,售后服务,技术支持,智能BI,零代码' },
                { title: '美·铝掌通管理平台', desc: '铝型材企业一体化管理平台，覆盖企业全业务流程', category: '产品中心', url: 'management.html', keywords: '管理平台,铝掌通,一体化,业务流程' },
                { title: '联系我们', desc: '立即预约演示，了解更多数字化转型方案，开启数字化转型之旅', category: '联系我们', url: 'index.html#contact', keywords: '联系我们,预约演示,数字化转型,合作咨询' },
                { title: 'AI驱动的铝型材数字化工厂解决方案', desc: '管之美专注铝型材行业数字化转型，提供一站式数字化工厂解决方案', category: '首页', url: 'index.html', keywords: '首页,AI,数字化工厂,铝型材,管之美' },
                { title: '智能ERP管理系统功能介绍', desc: '财务、采购、销售、库存、生产、人力资源等全模块功能详解', category: '产品功能', url: 'product-erp.html#features', keywords: 'ERP功能,财务管理,采购管理,销售管理,库存管理' },
                { title: 'MES制造执行系统核心功能', desc: '生产调度、质量追溯、设备管理、数据采集等核心功能', category: '产品功能', url: 'product-mes.html#features', keywords: 'MES功能,生产调度,质量追溯,设备管理,数据采集' },
                { title: 'BI数据分析平台功能模块', desc: '数据可视化、报表分析、多维分析、移动端报表等功能', category: '产品功能', url: 'product-bi.html#features', keywords: 'BI功能,数据可视化,报表分析,多维分析,移动端报表' },
                { title: '零代码平台核心能力', desc: '表单设计、流程设计、报表设计、权限管理等零代码能力', category: '产品功能', url: 'product-saas.html#features', keywords: '零代码功能,表单设计,流程设计,报表设计,权限管理' }
            ];

            function openSearch() {
                document.getElementById('searchOverlay').classList.add('active');
                document.body.style.overflow = 'hidden';
                document.getElementById('searchResultsList').innerHTML = '';
                document.getElementById('searchNoResult').style.display = 'none';
                setTimeout(() => {
                    document.getElementById('searchInput').focus();
                }, 400);
            }

            function closeSearch() {
                document.getElementById('searchOverlay').classList.remove('active');
                document.body.style.overflow = '';
                document.getElementById('searchInput').value = '';
                document.getElementById('searchResultsList').innerHTML = '';
                document.getElementById('searchNoResult').style.display = 'none';
            }

            function searchByTag(tag) {
                document.getElementById('searchInput').value = tag;
                doSearch();
            }

            function highlightKeyword(text, keyword) {
                if (!keyword) return text;
                const regex = new RegExp('(' + keyword.replace(/[.*+?^${}()|[\]\\]/g, '\\$&') + ')', 'gi');
                return text.replace(regex, '<span class="highlight">$1</span>');
            }

            function doSearch() {
                const keyword = document.getElementById('searchInput').value.trim();
                const resultsList = document.getElementById('searchResultsList');
                const noResult = document.getElementById('searchNoResult');

                if (!keyword) {
                    resultsList.innerHTML = '';
                    noResult.style.display = 'none';
                    return;
                }

                const keywordLower = keyword.toLowerCase();
                const results = searchIndex.filter(item => {
                    return item.title.toLowerCase().includes(keywordLower) ||
                        item.desc.toLowerCase().includes(keywordLower) ||
                        item.keywords.toLowerCase().includes(keywordLower) ||
                        item.category.toLowerCase().includes(keywordLower);
                });

                results.sort((a, b) => {
                    const aTitle = a.title.toLowerCase().includes(keywordLower) ? 1 : 0;
                    const bTitle = b.title.toLowerCase().includes(keywordLower) ? 1 : 0;
                    return bTitle - aTitle;
                });

                if (results.length === 0) {
                    resultsList.innerHTML = '';
                    noResult.style.display = 'block';
                    return;
                }

                noResult.style.display = 'none';
                resultsList.innerHTML = results.map(item => `
                <a href="${item.url}" class="search-result-item" onclick="closeSearch()">
                    <span class="search-result-category">${item.category}</span>
                    <h3 class="search-result-title">${highlightKeyword(item.title, keyword)}</h3>
                    <p class="search-result-desc">${highlightKeyword(item.desc, keyword)}</p>
                </a>
            `).join('');
            }

            let searchTimeout;
            document.getElementById('searchInput').addEventListener('input', function() {
                clearTimeout(searchTimeout);
                searchTimeout = setTimeout(doSearch, 200);
            });

            // 搜索框回车事件
            document.getElementById('searchInput').addEventListener('keypress', function(e) {
                if (e.key === 'Enter') {
                    doSearch();
                }
            });

            // 点击遮罩关闭搜索
            document.getElementById('searchOverlay').addEventListener('click', function(e) {
                if (e.target === this) {
                    closeSearch();
                }
            });

            // ESC键关闭搜索
            document.addEventListener('keydown', function(e) {
                if (e.key === 'Escape') {
                    closeSearch();
                }
            });

            // 预约弹窗
            function openContactModal() {
                document.getElementById('contactModalOverlay').classList.add('active');
                document.body.style.overflow = 'hidden';
            }

            function closeContactModal() {
                document.getElementById('contactModalOverlay').classList.remove('active');
                document.body.style.overflow = '';
            }

            // 微信二维码弹窗
            function openWechatQrModal() {
                document.getElementById('wechatQrModalOverlay').classList.add('active');
                document.body.style.overflow = 'hidden';
            }

            function closeWechatQrModal() {
                document.getElementById('wechatQrModalOverlay').classList.remove('active');
                document.body.style.overflow = '';
            }

            // 移动端联系信息弹窗
            var contactCurrentValue = '';

            function showContactInfoModal(type, value) {
                var overlay = document.getElementById('contactInfoModalOverlay');
                var icon = document.getElementById('contactInfoModalIcon');
                var title = document.getElementById('contactInfoModalTitle');
                var valEl = document.getElementById('contactInfoModalValue');
                var copied = document.getElementById('contactInfoModalCopied');

                contactCurrentValue = value;
                copied.classList.remove('show');

                if (type === 'email') {
                    icon.innerHTML = '<svg width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z"/><polyline points="22,6 12,13 2,6"/></svg>';
                    title.textContent = '邮箱地址';
                } else {
                    icon.innerHTML = '<svg width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z"/></svg>';
                    title.textContent = '联系电话';
                }
                valEl.textContent = value;
                overlay.classList.add('active');
                document.body.style.overflow = 'hidden';
            }

            function closeContactInfoModal() {
                document.getElementById('contactInfoModalOverlay').classList.remove('active');
                document.body.style.overflow = '';
            }

            function copyContactInfo() {
                if (navigator.clipboard && navigator.clipboard.writeText) {
                    navigator.clipboard.writeText(contactCurrentValue).then(function() {
                        document.getElementById('contactInfoModalCopied').classList.add('show');
                        setTimeout(function() {
                            document.getElementById('contactInfoModalCopied').classList.remove('show');
                        }, 2000);
                    });
                } else {
                    // Fallback
                    var textarea = document.createElement('textarea');
                    textarea.value = contactCurrentValue;
                    textarea.style.position = 'fixed';
                    textarea.style.opacity = '0';
                    document.body.appendChild(textarea);
                    textarea.select();
                    document.execCommand('copy');
                    document.body.removeChild(textarea);
                    document.getElementById('contactInfoModalCopied').classList.add('show');
                    setTimeout(function() {
                        document.getElementById('contactInfoModalCopied').classList.remove('show');
                    }, 2000);
                }
            }

            // 联系信息弹窗点击遮罩关闭
            var contactInfoOverlay = document.getElementById('contactInfoModalOverlay');
            if (contactInfoOverlay) {
                contactInfoOverlay.addEventListener('click', function(e) {
                    if (e.target === this) {
                        closeContactInfoModal();
                    }
                });
            }

            // 弹窗点击遮罩关闭
            var contactOverlay = document.getElementById('contactModalOverlay');
            if (contactOverlay) {
                contactOverlay.addEventListener('click', function(e) {
                    if (e.target === this) {
                        closeContactModal();
                    }
                });
            }

            // 微信二维码弹窗点击遮罩关闭
            var wechatQrOverlay = document.getElementById('wechatQrModalOverlay');
            if (wechatQrOverlay) {
                wechatQrOverlay.addEventListener('click', function(e) {
                    if (e.target === this) {
                        closeWechatQrModal();
                    }
                });
            }

            // ESC键关闭弹窗
            document.addEventListener('keydown', function(e) {
                if (e.key === 'Escape') {
                    var contactOverlay = document.getElementById('contactModalOverlay');
                    if (contactOverlay && contactOverlay.classList.contains('active')) {
                        closeContactModal();
                    }
                    var wechatOverlay = document.getElementById('wechatQrModalOverlay');
                    if (wechatOverlay && wechatOverlay.classList.contains('active')) {
                        closeWechatQrModal();
                    }
                }
            });

            // ===== 移动端菜单 =====
            function toggleMobileMenu() {
                const mobileMenu = document.getElementById('mobileMenu');
                mobileMenu.classList.toggle('active');
                document.body.style.overflow = mobileMenu.classList.contains('active') ? 'hidden' : '';
            }

            // 移动端下拉菜单
            document.querySelectorAll('.mobile-menu-dropdown').forEach(item => {
                item.addEventListener('click', function(e) {
                    // 排除点击子菜单项（链接）
                    if (e.target.closest('.mobile-submenu a')) return;
                    e.preventDefault();
                    e.stopPropagation();
                    this.classList.toggle('active');
                });
            });

            // ===== 产品网格鼠标拖动滚动 =====
            const productsGrid = document.querySelector('.products-grid');
            if (productsGrid) {
                let isDown = false;
                let startX;
                let scrollLeft;

                productsGrid.addEventListener('mousedown', (e) => {
                    isDown = true;
                    productsGrid.classList.add('active');
                    startX = e.pageX - productsGrid.offsetLeft;
                    scrollLeft = productsGrid.scrollLeft;
                });

                productsGrid.addEventListener('mouseleave', () => {
                    isDown = false;
                    productsGrid.classList.remove('active');
                });

                productsGrid.addEventListener('mouseup', () => {
                    isDown = false;
                    productsGrid.classList.remove('active');
                });

                productsGrid.addEventListener('mousemove', (e) => {
                    if (!isDown) return;
                    e.preventDefault();
                    const x = e.pageX - productsGrid.offsetLeft;
                    const walk = (x - startX) * 2;
                    productsGrid.scrollLeft = scrollLeft - walk;
                });
            }
        </script>

        <!-- 图片灯箱 -->
        <div class="lightbox" id="lightbox">
            <div class="lightbox-overlay"></div>
            <div class="lightbox-content">
                <button class="lightbox-close" aria-label="关闭">
                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                        <path d="M18 6L6 18M6 6l12 12"/>
                    </svg>
                </button>
                <button class="lightbox-nav lightbox-prev" aria-label="上一张">
                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                        <polyline points="15,18 9,12 15,6"/>
                    </svg>
                </button>
                <button class="lightbox-nav lightbox-next" aria-label="下一张">
                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                        <polyline points="9,18 15,12 9,6"/>
                    </svg>
                </button>
                <img src="" alt="" class="lightbox-image" id="lightboxImage">
                <div class="lightbox-counter">
                    <span id="lightboxCurrent">1</span> / <span id="lightboxTotal">3</span>
                </div>
            </div>
        </div>

        <!-- 右侧浮动工具条 -->
        <div class="float-sidebar">
            <div class="float-item float-wechat" data-tooltip="微信咨询">
                <div class="float-icon">
                    <svg viewBox="0 0 24 24" fill="currentColor">
                        <path d="M8.691 2.188C3.891 2.188 0 5.476 0 9.53c0 2.212 1.17 4.203 3.002 5.55a.59.59 0 0 1 .213.665l-.39 1.48c-.019.07-.048.141-.048.213 0 .163.13.295.29.295a.326.326 0 0 0 .167-.054l1.903-1.114a.864.864 0 0 1 .717-.098 10.16 10.16 0 0 0 2.837.403c.276 0 .543-.027.811-.05-.857-2.578.157-4.972 1.932-6.446 1.703-1.415 3.882-1.98 5.853-1.838-.576-3.583-4.196-6.348-8.596-6.348zM5.785 5.991c.642 0 1.162.529 1.162 1.18a1.17 1.17 0 0 1-1.162 1.178A1.17 1.17 0 0 1 4.623 7.17c0-.651.52-1.18 1.162-1.18zm5.813 0c.642 0 1.162.529 1.162 1.18a1.17 1.17 0 0 1-1.162 1.178 1.17 1.17 0 0 1-1.162-1.178c0-.651.52-1.18 1.162-1.18zm5.34 2.867c-1.797-.052-3.746.512-5.28 1.786-1.72 1.428-2.687 3.72-1.78 6.22.942 2.453 3.666 4.229 6.884 4.229.826 0 1.622-.12 2.361-.336a.722.722 0 0 1 .598.082l1.584.926a.272.272 0 0 0 .14.047c.134 0 .24-.111.24-.247 0-.06-.023-.12-.038-.177l-.327-1.233a.582.582 0 0 1-.023-.156.49.49 0 0 1 .201-.398C23.024 18.48 24 16.82 24 14.98c0-3.21-2.931-5.837-6.656-6.088V8.89c-.135-.01-.27-.027-.407-.032zm-2.53 3.274c.535 0 .969.44.969.982a.976.976 0 0 1-.969.983.976.976 0 0 1-.969-.983c0-.542.434-.982.97-.982zm4.844 0c.535 0 .969.44.969.982a.976.976 0 0 1-.969.983.976.976 0 0 1-.969-.983c0-.542.434-.982.969-.982z"/>
                    </svg>
                </div>
                <div class="float-wechat-popup">
                    <img src="images/about/vx.jpg" alt="微信二维码">
                    <p>扫码添加微信</p>
                </div>
            </div>
            <div class="float-item" data-tooltip="邮件咨询" data-action="mailto:3095994737@qq.com" data-contact-type="email" data-contact-value="3095994737@qq.com">
                <div class="float-icon">
                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                        <path d="M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z"/>
                        <polyline points="22,6 12,13 2,6"/>
                    </svg>
                </div>
            </div>
            <div class="float-item" data-tooltip="电话咨询" data-action="tel:0757-86224155" data-contact-type="phone" data-contact-value="0757-86224155">
                <div class="float-icon">
                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                        <path d="M22 16.92v3a2 2 0 0 1-2.18 2 19.79 19.79 0 0 1-8.63-3.07 19.5 19.5 0 0 1-6-6 19.79 19.79 0 0 1-3.07-8.67A2 2 0 0 1 4.11 2h3a2 2 0 0 1 2 1.72 12.84 12.84 0 0 0 .7 2.81 2 2 0 0 1-.45 2.11L8.09 9.91a16 16 0 0 0 6 6l1.27-1.27a2 2 0 0 1 2.11-.45 12.84 12.84 0 0 0 2.81.7A2 2 0 0 1 22 16.92z"/>
                    </svg>
                </div>
            </div>
            <div class="float-item float-backtop" id="backToTop" data-tooltip="回到顶部">
                <div class="float-icon">
                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                        <polyline points="18,15 12,9 6,15"/>
                    </svg>
                </div>
            </div>
        </div>

        <!-- 微信二维码弹窗 -->
        <div class="wechat-qr-modal-overlay" id="wechatQrModalOverlay">
            <div class="wechat-qr-modal">
                <button class="wechat-qr-modal-close" onclick="closeWechatQrModal()">
                    <svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                        <line x1="18" y1="6" x2="6" y2="18"></line>
                        <line x1="6" y1="6" x2="18" y2="18"></line>
                    </svg>
                </button>
                <h3 class="wechat-qr-modal-title">微信咨询</h3>
                <p class="wechat-qr-modal-subtitle">扫描下方二维码添加微信</p>
                <img class="wechat-qr-modal-image" src="images/about/vx.jpg" alt="微信二维码">
                <p class="wechat-qr-modal-tip">
                    <svg viewBox="0 0 24 24" fill="currentColor">
                        <path d="M8.691 2.188C3.891 2.188 0 5.476 0 9.53c0 2.212 1.17 4.203 3.002 5.55a.59.59 0 0 1 .213.665l-.39 1.48c-.019.07-.048.141-.048.213 0 .163.13.295.29.295a.326.326 0 0 0 .167-.054l1.903-1.114a.864.864 0 0 1 .717-.098 10.16 10.16 0 0 0 2.837.403c.276 0 .543-.027.811-.05-.857-2.578.157-4.972 1.932-6.446 1.703-1.415 3.882-1.98 5.853-1.838-.576-3.583-4.196-6.348-8.596-6.348zM5.785 5.991c.642 0 1.162.529 1.162 1.18a1.17 1.17 0 0 1-1.162 1.178A1.17 1.17 0 0 1 4.623 7.17c0-.651.52-1.18 1.162-1.18zm5.813 0c.642 0 1.162.529 1.162 1.18a1.17 1.17 0 0 1-1.162 1.178 1.17 1.17 0 0 1-1.162-1.178c0-.651.52-1.18 1.162-1.18z"/>
                    </svg>
                    扫码添加微信
                </p>
            </div>
        </div>

        <!-- 预约弹窗 -->
        <div class="contact-modal-overlay" id="contactModalOverlay">
            <div class="contact-modal">
                <button class="contact-modal-close" onclick="closeContactModal()">
                    <svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                        <line x1="18" y1="6" x2="6" y2="18"></line>
                        <line x1="6" y1="6" x2="18" y2="18"></line>
                    </svg>
                </button>
                <div class="contact-modal-header">
                    <div class="contact-modal-tag">CONTACT US</div>
                    <h3 class="contact-modal-title">开启数字化转型之旅</h3>
                    <p class="contact-modal-subtitle">立即预约演示，了解更多数字化转型方案</p>
                </div>
                <form class="contact-modal-form" id="contactModalForm">
                    <div class="form-row">
                        <div class="form-group">
                            <label class="form-label">企业名称</label>
                            <input type="text" class="form-input" id="cmf-company" name="companyName" placeholder="请输入企业名称" required>
                        </div>
                        <div class="form-group">
                            <label class="form-label">行业类型</label>
                            <input type="text" class="form-input" id="cmf-industry" name="industryType" placeholder="请输入所属行业" required>
                        </div>
                    </div>
                    <div class="form-row">
                        <div class="form-group">
                            <label class="form-label">联系人</label>
                            <input type="text" class="form-input" id="cmf-name" name="name" placeholder="请输入联系人姓名" required>
                        </div>
                        <div class="form-group">
                            <label class="form-label">联系电话</label>
                            <input type="tel" class="form-input" id="cmf-phone" name="phone" placeholder="请输入联系电话" required>
                        </div>
                    </div>
                    <div class="form-group">
                        <label class="form-label">需求描述</label>
                        <textarea class="form-textarea" id="cmf-content" name="content" placeholder="请简要描述您的数字化转型需求"></textarea>
                    </div>
                    <div class="form-submit-wrapper">
                        <button type="submit" class="form-submit">
                            <span>提交预约</span>
                            <span>→</span>
                        </button>
                    </div>
                </form>
                <div class="contact-modal-success" id="contactModalSuccess">
                    <div class="success-icon">
                        <svg width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <polyline points="20 6 9 17 4 12"></polyline>
                        </svg>
                    </div>
                    <p class="success-title">提交成功</p>
                    <p class="success-desc">感谢您的预约，我们将尽快与您联系！</p>
                </div>
            </div>
        </div>

        <!-- 移动端联系信息弹窗 -->
        <div class="contact-info-modal-overlay" id="contactInfoModalOverlay">
            <div class="contact-info-modal">
                <button class="contact-info-modal-close" onclick="closeContactInfoModal()">
                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                        <line x1="18" y1="6" x2="6" y2="18"></line>
                        <line x1="6" y1="6" x2="18" y2="18"></line>
                    </svg>
                </button>
                <div class="contact-info-modal-icon" id="contactInfoModalIcon">
                    <svg width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                        <path d="M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z"/>
                        <polyline points="22,6 12,13 2,6"/>
                    </svg>
                </div>
                <h3 class="contact-info-modal-title" id="contactInfoModalTitle">邮箱地址</h3>
                <p class="contact-info-modal-value" id="contactInfoModalValue">3095994737@qq.com</p>
                <button class="contact-info-modal-copy" id="contactInfoModalCopy" onclick="copyContactInfo()">复制</button>
                <span class="contact-info-modal-copied" id="contactInfoModalCopied">已复制</span>
            </div>
        </div>

        </body>
        </html>

