/* --- 1. 全局变量与重置 --- */
        :root {
            --primary-dark: #0f172a;
            /* 深空蓝，替代纯黑 */
            --primary-light: #1e293b;
            --accent: #143285;
            /* 科技蓝 */
            --accent-hover: #38bdf8;
            --text-white: #f8fafc;
            --text-gray: #94a3b8;
            --bg-gray: #f1f5f9;
            --transition-smooth: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
            /* 丝滑缓动 */
        }

        .section-header {
            margin:0 auto 4rem;
            text-align: center;
            max-width: 600px;
        }
        .section-header p{
            font-size: 18px;
        }

        .section-tag {
            color: var(--accent);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 0.5rem;
            display: block;
        }

        .section-title {
            font-size: 2.5rem;
            color: var(--primary-dark);
            margin-bottom: .5rem;
        }

        /* 核心板块容器 */
        .hero-container {
            min-height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e9f2 100%);
            padding: 20px 8%;
        }

        .content-wrapper {
            display: flex;
            align-items: center;
            max-width: 1400px;
            width: 100%;
            gap: 60px;
        }

        /* 左侧视频区域 */
        .video-box {
            flex: 1.2;
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 25px 50px -12px rgba(0, 35, 102, 0.25);
            opacity: 0;
            transform: translateX(-50px);
            animation: slideInLeft 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
            max-width: 800px;
            /* 限制最大宽度，适配不同屏幕 */
            cursor: pointer;
            /* 鼠标悬浮显示指针 */
        }

        .video-box video {
            width: 100%;
            display: block;
            object-fit: cover;
            aspect-ratio: 16 / 9;
        }

        /* 播放按钮样式 */
        .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80px;
            height: 80px;
            background-color: rgba(255, 255, 255, 0.8);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10;
            /* 呼吸动画 */
            animation: breathe 2s ease-in-out infinite;
        }

        /* 播放按钮三角图标 */
        .play-btn::after {
            content: '';
            width: 0;
            height: 0;
            border-style: solid;
            border-width: 15px 0 15px 25px;
            border-color: transparent transparent transparent #001f3f;
            margin-left: 5px;
            /* 微调三角位置，居中显示 */
        }

        /* 视频播放后隐藏按钮 */
        .video-box video[playing]+.play-btn {
            display: none;
        }

        /* 呼吸动画关键帧 */
        @keyframes breathe {
            0% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 0.8;
            }

            50% {
                transform: translate(-50%, -50%) scale(1.1);
                opacity: 1;
            }

            100% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 0.8;
            }
        }

        /* 原有滑入动画（保留） */
        @keyframes slideInLeft {
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        /* 右侧简介区域 */
        .intro-box {
            flex: 1;
            opacity: 0;
            transform: translateX(50px);
            animation: slideInRight 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
            animation-delay: 0.2s;
        }

        .label {
            display: inline-block;
            font-size: 17px;
            /*    font-weight: 600;*/
            color: #003399;
            text-transform: uppercase;
            letter-spacing: 3px;
            margin-bottom: 20px;
            position: relative;
        }

        .label::after {
            content: "";
            display: block;
            width: 40px;
            height: 2px;
            background: #003399;
            margin-top: 8px;
        }

        .intro-box h1 {
            font-size: 48px;
            color: #001f3f;
            line-height: 1.2;
            margin-bottom: 25px;
            font-weight: 700;
        }

        .intro-box p {
            font-size: 18px;
            color: #747272;
            margin-bottom: 40px;
            text-align: justify;
                line-height: 32px;
        }

        /* 交互按钮 */
        .btn-group {
            display: flex;
            gap: 20px;
        }

        .primary-btn {
            background-color: #002366;
            color: white;
            padding: 16px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 10px 20px rgba(0, 35, 102, 0.2);
        }

        .primary-btn:hover {
            background-color: #003399;
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(0, 35, 102, 0.3);
        }

        .outline-btn {
            border: 2px solid #002366;
            color: #002366;
            padding: 14px 33px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .outline-btn:hover {
            background-color: #002366;
            color: white;
        }

        /* 动画定义 */
        @keyframes slideInLeft {
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes slideInRight {
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

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

               .section-title {
            font-size: 1.9rem;
            color: var(--primary-dark);
            margin-bottom: .5rem;
        } 
            .content-wrapper {
                flex-direction: column;
                gap: 40px;
                padding-top: 60px;
            }

            .video-box {
                width: 100%;
                order: 1;
            }

            .intro-box {
                width: 100%;
                order: 2;
                text-align: center;
            }

            .intro-box h1 {
                font-size: 32px;
            }

            .label::after {
                margin: 8px auto;
            }

            .btn-group {
                justify-content: center;
            }
        }

        @media (max-width: 480px) {
            .hero-container {
                padding: 40px 5%;
            }

            .intro-box h1 {
                font-size: 28px;
            }

            .btn-group {
                flex-direction: column;
            }
        }



        /*产品列表*/
        /* --- 2. 布局框架 --- */
        .wrapper {
            display: flex;
            min-height: 100vh;
            max-width: 1920px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 100px rgba(0, 0, 0, 0.08);
        }

        /* --- 3. 左侧侧边栏 --- */
        .sidebar {
            width: 420px;
            background: #143285;
            color: #fff;
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            padding-top: 40px;
            z-index: 10;
            padding-left: 4%;
        }

        .sidebar-header {
            padding: 0 40px 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 30px;
            padding-left: 4%;
        }

        .sidebar-header h1 {
            font-size: 32px;
            letter-spacing: 2px;
            font-weight: 700;
        }

        .sidebar-header span {
            font-size: 14px;
            opacity: 0.4;
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-top: 8px;
            display: block;
        }

        .sc_pro_nav-link {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 40px;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.4s;
            border-left: 6px solid transparent;
        }

        .sc_pro_nav-link:hover,
        .nav-item.active>.sc_pro_nav-link {
            background: rgba(255, 255, 255, 0.08);
            border-left-color: #c6a666;
            color: #fff;
        }

        .wrapper .nav-menu {
            padding-left: 4%;
        }

        .sub-menu {
            max-height: 0;
            overflow: hidden;
            background: rgba(0, 0, 0, 0.15);
            transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .nav-item.active .sub-menu {
            max-height: 500px;
        }

        .sub-link {
            display: block;
            padding: 15px 40px 15px 60px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
            transition: all 0.3s;
        }

        .sub-link:hover {
            color: #c6a666;
            padding-left: 65px;
        }

        .sidebar-footer {
            margin-top: auto;
            padding: 50px 40px;
            background: rgba(0, 0, 0, 0.2);
        }

        .contact-num {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-top: 10px;
        }

        /* --- 4. 右侧内容区 --- */
        .main-content {
            flex: 1;
            padding: 60px 80px;
            display: flex;
            flex-direction: column;
            overflow: hidden;
        }

        /* --- 5. 顶部 Hero 无缝轮播 --- */
        .hero-slider-container {
            position: relative;
            width: 100%;
            height: 500px;
            overflow: hidden;
            border-radius: 8px;
        }

        .hero-track {
            display: flex;
            height: 100%;
            transition: transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
        }

        .hero-slide {
            min-width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 40px;
        }

        .slide-text {
            width: 50%;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.85s 0.1s;
        }

        .hero-slide.active .slide-text {
            opacity: 1;
            transform: translateY(0);
        }

        .hero-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
            color: #222;
        }

        .hero-desc {
            font-size: 18px;
            color: #777;
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 500px;
        }

        .btn {
            padding: 16px 45px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            display: inline-block;
        }

        .btn-primary {
            background: #143285;
            color: #fff;
            margin-right: 20px;
        }

        .btn-primary:hover {
            background: #1e45aa;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(20, 50, 133, 0.2);
        }

        .slide-image {
            width: 45%;
            height: 90%;
            background: url(../images/product-bg2.jpg) no-repeat;
        }

        .slide-image img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        /* --- 6. 底部产品无缝轮播 --- */
        /*        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
        }*/
        /*        .section-title { font-size: 32px; font-weight: 700; }*/

        .product-carousel-window {
            overflow: hidden;
            position: relative;
            padding: 20px 0 60px;
        }

        .product-track {
            display: flex;
            gap: 30px;
            transition: transform 0.6s cubic-bezier(0.645, 0.045, 0.355, 1);
        }

        .product-card {
            min-width: calc((100% - 60px) / 3);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.4s;
            border: 1px solid #eee;
            text-align: center;
            background: url(../images/product-bg2.jpg) no-repeat;
        }

        .product-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.1);
            border-color: #143285;
        }

        .pc-img {
            height: 240px;
            margin-bottom: 25px;
        }

        .pc-img img {
            height: 100%;
            object-fit: contain;
        }

        .pc-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .pc-sub {
            color: #999;
            font-size: 15px;
        }

        .sc_pro_c-btn {
            width: 50px;
            height: 50px;
            border: 1px solid #ddd;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 20px;
            transition: all 0.3s;
            margin-left: 10px;
        }

        .sc_pro_c-btn:hover {
            background: #143285;
            color: #fff;
            border-color: #143285;
        }


        /* 1. 针对平板设备 (1200px 以下) */
        @media (max-width: 1200px) {
            .sidebar {
                width: 300px;
                /* 缩小侧边栏宽度 */
            }

            .main-content {
                padding: 40px;
                /* 减少内边距 */
            }

            .hero-title {
                font-size: 40px;
            }
        }

        /* 2. 针对大屏手机/小平板 (992px 以下) */
        @media (max-width: 992px) {
            .wrapper {
                flex-direction: column;
                /* 侧边栏转到顶部 */
            }

            .sidebar {
                width: 100%;
                padding-top: 20px;
            }

            .sidebar-header {
                padding: 0 20px 20px;
                margin-bottom: 0;
            }

            /* 侧边栏在手机端通常建议改为隐藏式菜单，此处先改为水平堆叠或简易列表 */
            .sidebar-footer {
                display: none;
                /* 移动端隐藏侧边栏页脚以节省空间 */
            }

            .product-card {
                min-width: calc((100% - 30px) / 2);
                /* 屏幕显示2个卡片 */
            }
        }

        /* 3. 针对手机设备 (768px 以下) */
        @media (max-width: 768px) {
            .main-content {
                padding: 30px 20px;
            }

            /* Hero 区域堆叠 */
            .hero-slider-container {
                height: auto;
                min-height: 500px;
            }

            .hero-slide {
                flex-direction: column;
                /* 文字和图片上下排列 */
                padding: 40px 20px;
                text-align: center;
            }

            .slide-text,
            .slide-image {
                width: 100%;
            }

            .slide-image {
                margin-top: 30px;
                height: 250px;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-desc {
                margin: 0 auto 30px;
            }

            /* 产品卡片单列显示 */
            .product-track {
                gap: 20px;
            }

            .product-card {
                min-width: 100%;
                /* 屏幕显示1个卡片 */
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
        }

        /* 4. 针对极小屏幕 (480px 以下) */
        @media (max-width: 480px) {
            .btn {
                width: 100%;
                margin-right: 0;
                margin-bottom: 10px;
            }

            .sidebar-header h1 {
                font-size: 24px;
            }
        }
        .schx_prosection-header{
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .schx_prosection-header .section-title{
            font-size: 30px;
        }



        /*        产品列表结束*/


        /*资质*/
        /* 容器样式 */
        .sczz-wrapper {
            padding: 120px 0;
            background:url(../images/zizihi_bg.jpg)!important;
/*            background-color: #f9f9f9;*/
            overflow: hidden;
            font-family: "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei", sans-serif;
        }

        /* 标题设计 */
        .sczz-header {
            text-align: center;
            margin-bottom: 70px;
        }

        .sczz-main-title {
            font-size: 36px;
            font-weight: 300;
            /* 大厂偏爱细体，显得更高级 */
            color: #111;
            letter-spacing: 2px;
            margin: 0;
        }

        .sczz-decoration {
            width: 40px;
            height: 2px;
            background: #c6a666;
            margin: 20px auto 0;
        }

        /* 轮播视口 - 核心布局 */
        .sczz-carousel-viewport {
            position: relative;
            width: 100%;
            overflow: hidden;
            padding: 40px 0;
        }

        /* 轨道动画 - 关键点 */
        .sczz-track {
            display: flex;
            width: calc(550px * 10);
            /* 单个宽度 * 总个数(含克隆) */
            animation: sczz-infinite-scroll 35s linear infinite;
        }

        /* 鼠标悬停时平滑暂停 */
        .sczz-track:hover {
            animation-play-state: paused;
        }

        @keyframes sczz-infinite-scroll {
            0% {
                transform: translateX(0);
            }

            100% {
                transform: translateX(calc(-550px * 5));
            }

            /* 位移刚好是第一组内容的宽度 */
        }

        /* 单个卡片样式 */
        .sczz-item {
            width: 402px;
            padding: 0 7px;
            box-sizing: border-box;
        }

        .sczz-inner {
            background: #fdfdfd;
            border: 1px solid #efefef;
            padding: 40px 20px;
            text-align: center;
            transition: all 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
            position: relative;
        }

        .sczz-inner:hover {
            background: #ffffff;
            border-color: #c6a666;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
            transform: translateY(-10px);
        }

        .sczz-inner img {
            height: 375px;
            width: auto;
             margin: 0 auto;
            max-width: 100%;
            object-fit: contain;
/*            filter: grayscale(1);*/
            /* 初始灰色，显得沉稳 */
            opacity: 0.9;
            transition: all 0.5s ease;
            margin-bottom: 25px;
        }

        .sczz-inner:hover img {
            filter: grayscale(0);
            /* 悬浮恢复色彩 */
            opacity: 1;
            transform: scale(1.05);
        }

        /* 单行文本样式 */
        .sczz-label {
            display: block;
            font-size: 16px;
            color: #333;
            font-weight: 500;
            white-space: nowrap;
            /* 强制单行 */
            overflow: hidden;
            text-overflow: ellipsis;
            /* 超出显示省略号 */
            letter-spacing: 1px;
        }

        /* 边缘遮罩 - 增加空间感 */
        .sczz-mask-left,
        .sczz-mask-right {
            position: absolute;
            top: 0;
            z-index: 2;
            width: 15%;
            height: 100%;
            pointer-events: none;
            /* 穿透点击，不影响悬停暂停 */
        }
/*
        .sczz-mask-left {
            left: 0;
            background: linear-gradient(to right, #ffffff, rgba(255, 255, 255, 0));
        }

        .sczz-mask-right {
            right: 0;
            background: linear-gradient(to left, #ffffff, rgba(255, 255, 255, 0));
        }
*/
        /* --- 手机端适配 --- */
        @media (max-width: 768px) {
            .sczz-wrapper {
                padding: 60px 0;
            }

            .sczz-main-title {
                font-size: 24px;
                padding: 0 20px;
            }

            /* 手机端加快速度或保持比例 */
            .sczz-item {
                width: 260px;
                /* 缩小单个宽度 */
            }

            .sczz-track {
                width: calc(260px * 10);
                animation: sczz-infinite-scroll-mobile 20s linear infinite;
            }

            .sczz-inner img {
                height: 140px;
            }

            .sczz-label {
                font-size: 14px;
            }

            @keyframes sczz-infinite-scroll-mobile {
                0% {
                    transform: translateX(0);
                }

                100% {
                    transform: translateX(calc(-260px * 5));
                }
            }

            .sczz-mask-left,
            .sczz-mask-right {
                width: 10%;
                /* 手机端遮罩范围缩小 */
            }
        }



        /* --- 5. 数据概览 (Stats) --- */
        .stats-section {
            background: var(--primary-dark) url(../images/gun_bg.png);
            color: white;
            padding: 5rem 5%;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-item h3 {
            font-size: 3.5rem;
            color: #08b2ff;
            font-weight: 300;
            margin-bottom: 0.5rem;
            text-align: center;
        }

        .stat-item p {
            font-size: 0.9rem;
            color: var(--text-gray);
            letter-spacing: 1px;
            text-transform: uppercase;
            text-align: center;
        }
/* 响应式适配 - 手机设备 (屏幕宽度小于768px) */
@media (max-width: 768px) {
    .stats-section {
        /* 手机端改为1列布局 */
        grid-template-columns: 1fr;
        padding: 2rem 5%;
        gap: 1.5rem;
    }
    
    .stat-item h3 {
        /* 进一步缩小字体适配手机 */
        font-size: 2.2rem;
    }
    
    .stat-item p {
        font-size: 0.8rem;
    }
}
        /* --- 5. 数据概览 (Stats) --- */



        /* --- 6. 核心产品 (大卡片布局) --- */
       /* 基础布局 - 保持原有结构，微调间距 */
.sc_youshi_section-padding {
    padding: 3.5rem 5%; /* 略微减小上下内边距 */
    max-width: 1920px;
    margin: 0 auto;
}

.sc_youshi_section-header {
    margin-bottom: 4.5rem; /* 减小底部间距 */
    max-width: 700px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.sc_youshi_section-tag {
    color: var(--accent);
    font-weight: 600; /* 降低字重，更细腻 */
    font-size: 0.85rem; /* 微调字体大小 */
    letter-spacing: 1.5px; /* 减小字间距 */
    text-transform: uppercase;
    margin-bottom: 0.8rem; /* 减小间距 */
    display: block;
}

.sc_youshi_section-title {
    font-size: 2.4rem; /* 大幅减小标题字体 */
    color: var(--primary-dark);
    margin-bottom: 1.2rem; /* 减小间距 */
    line-height: 1.3; /* 优化行高 */
    font-weight: 700; /* 调整字重，更精致 */
}

/* 网格布局 - 精细化间距 */
.sc_youshi_products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem; /* 微调间距，更紧凑高级 */
}

/* 卡片样式 - 精细化调整 */
.sc_youshi_product-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px; /* 减小圆角，更精致 */
    height: 520px; /* 降低卡片高度 */
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04); /* 更柔和的阴影 */
}

/* 悬停特效 - 更细腻的动效 */
.sc_youshi_product-card:hover {
    transform: translateY(-8px) scale(1.01); /* 减小上浮和放大幅度 */
    box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.1); /* 更自然的阴影 */
}

/* 背景图片 - 精细化滤镜 */
.sc_youshi_p-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-smooth);
    z-index: 1;
    filter: brightness(0.85) contrast(1.05) blur(0.3px); /* 更柔和的初始滤镜 */
}

/* 背景悬停效果 - 更细腻的变化 */
.sc_youshi_product-card:hover .sc_youshi_p-bg {
    filter: brightness(0.95) contrast(1.1); /* 减小亮度提升幅度 */
    transform: scale(1.03); /* 减小背景放大幅度 */
}

/* 渐变遮罩 - 更自然的过渡 */
.sc_youshi_card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 65%; /* 减小遮罩高度 */
    background: linear-gradient(
        to top,
        rgba(15, 23, 42, 0.92) 0%,
        rgba(15, 23, 42, 0.35) 65%,
        transparent 100%
    );
    z-index: 2;
}

/* 数字装饰 - 精细化调整 */
.sc_youshi_card-num {
    font-size: 3rem; /* 减小数字字体 */
    font-weight: 700; /* 降低字重 */
    color: rgba(255, 255, 255, 0.08); /* 更淡的颜色 */
    position: absolute;
    top: 1.8rem; /* 微调位置 */
    left: 1.8rem;
    z-index: 3;
    transition: var(--transition-smooth);
}

.sc_youshi_product-card:hover .sc_youshi_card-num {
    color: rgba(255, 255, 255, 0.2); /* 更细腻的颜色变化 */
    transform: scale(1.05); /* 减小放大幅度 */
}

/* 卡片内容 - 精细化排版 */
.sc_youshi_card-content {
    position: relative;
    z-index: 4;
    padding: 2.2rem; /* 减小内边距 */
    color: white;
    transform: translateY(15px); /* 减小初始偏移 */
    transition: var(--transition-smooth);
}

.sc_youshi_product-card:hover .sc_youshi_card-content {
    transform: translateY(0);
}

/* 卡片标题 - 精细化样式 */
.sc_youshi_card-content h3 {
    font-size: 1.6rem; /* 大幅减小标题字体 */
    margin-bottom: 1rem; /* 减小间距 */
    color: white;
    position: relative;
    padding-bottom: 0.8rem; /* 减小下划线间距 */
    font-weight: 600; /* 调整字重 */
}

/* 标题下划线 - 更精细的样式 */
.sc_youshi_card-content h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px; /* 减小下划线长度 */
    height: 2px; /* 减小下划线高度 */
    background: var(--accent);
    border-radius: 2px; /* 微调圆角 */
    transform: scaleX(0);
    transition: var(--transition-smooth);
    transform-origin: left;
}

.sc_youshi_product-card:hover .sc_youshi_card-content h3::after {
    transform: scaleX(1);
}

/* 卡片描述文本 - 精细化 */
.sc_youshi_card-content p {
    color: rgba(255, 255, 255, 0.88); /* 微调透明度 */
    margin-bottom: 2rem; /* 减小间距 */
    font-size: 1rem; /* 减小字体 */
    line-height: 1.5; /* 优化行高 */
    opacity: 0;
    transform: translateY(15px); /* 减小初始偏移 */
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
}

.sc_youshi_product-card:hover .sc_youshi_card-content p {
    transform: translateY(0);
    opacity: 1;
}

/* 箭头按钮 - 更精致的样式 */
.sc_youshi_icon-arrow {
    width: 42px; /* 减小按钮尺寸 */
    height: 42px;
    background: rgba(255, 255, 255, 0.18); /* 微调透明度 */
    backdrop-filter: blur(8px); /* 减小模糊度 */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    color: white;
    font-size: 1rem; /* 减小箭头字体 */
    border: 1px solid rgba(255, 255, 255, 0.25); /* 微调边框透明度 */
    transform: translateY(15px); /* 减小初始偏移 */
    opacity: 0;
}

.sc_youshi_product-card:hover .sc_youshi_icon-arrow {
    background: var(--accent);
    transform: translateY(0);
    opacity: 1;
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.25); /* 更柔和的阴影 */
}

/* 响应式适配 - 同步精细化 */
@media (max-width: 1200px) {
    .sc_youshi_products-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }
    .sc_youshi_product-card {
        height: 460px; /* 微调高度 */
    }
    .sc_youshi_section-title {
        font-size: 2rem; /* 微调标题 */
    }
}

@media (max-width: 768px) {
    .sc_youshi_section-padding {
        padding: 3rem 5%; /* 微调内边距 */
    }
    .sc_youshi_section-header {
        margin-bottom: 2.5rem; /* 微调间距 */
    }
    .sc_youshi_product-card {
        height: 400px; /* 微调高度 */
    }
    .sc_youshi_card-content {
        padding: 1.8rem; /* 微调内边距 */
    }
    .sc_youshi_card-content h3 {
        font-size: 1.4rem; /* 微调标题 */
    }
}
        /*六大结束*/

        /* --- 新增：9. 新闻简介板块 --- */
        .news-section {
            background: #ffffff; /* 企业官网常用纯白背景，更显简洁专业 */
            padding: 5rem 8%; /* 更大的水平内边距，提升空间感 */
            border-top: 1px solid #f0f2f5; /* 细微分割线，增加层次感 */
        }

        /* 板块标题 - 企业风设计 */
        .news-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .news-header h2 {
            font-size: 2rem;
            color: #1a202c; /* 深灰黑色，企业风主色 */
            font-weight: 700;
            margin-bottom: 0.8rem;
            letter-spacing: 0.5px; /* 轻微字间距，提升质感 */
        }

        .news-header .divider {
            width: 60px;
            height: 3px;
            background: #165dff; /* 企业蓝，作为强调色 */
            margin: 0 auto;
        }

        /* 分类按钮 - 精简大气，贴合企业风 */
        .news-filter {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 3rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .filter-btn {
            padding: 0.6rem 1.8rem;
            border: 1px solid #e5e7eb; /* 细边框，企业风常用 */
            border-radius: 4px; /* 小圆角，更稳重 */
            background: #ffffff;
            color: #4b5563;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
                height: 46px;
        }

        .filter-btn:hover {
            border-color: #165dff;
            color: #165dff;
            background: #f9fbff; /* 浅蓝底，hover反馈更柔和 */
        }

        .filter-btn.active {
            background: #161e81;
            color: white;
            border-color: #161e81;
            box-shadow: 0 2px 8px rgba(22, 93, 255, 0.15);
        }

        /* 新闻网格 - 调整为3列，控制卡片尺寸，更适配企业官网 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem; /* 适中的间距，避免拥挤或松散 */
        }

        /* 新闻卡片 - 企业风精简设计 */
        .news-card {
            background: #ffffff;
            border: 1px solid #f0f2f5; /* 细边框，提升精致感 */
            border-radius: 6px; /* 适度圆角，稳重不张扬 */
            overflow: hidden;
            transition: all 0.35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        /* 卡片hover - 企业风低调的交互反馈 */
        .news-card:hover {
            transform: translateY(-4px); /* 小幅上浮，不夸张 */
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06); /* 柔和阴影，提升质感 */
            border-color: #e8f0fe;
        }

        /* 新闻图片 - 控制比例，企业风规整感 */
        .news-img {
            height: 270px; /* 降低图片高度，控制卡片整体尺寸 */
            overflow: hidden;
        }

        .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.4s ease;
        }

        .news-card:hover .news-img img {
            transform: scale(1.03); /* 小幅缩放，企业风克制的动效 */
        }

        /* 新闻内容区 - 精简内边距，提升信息密度 */
        .news-content {
            padding: 1.8rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        /* 日期 - 企业风浅灰，低调不抢戏 */
        .news-date {
            font-size: 0.85rem;
            color: #94a3b8;
            margin-bottom: 1rem;
            display: block;
            font-weight: 500;
        }

        /* 标题 - 企业风精简字号，突出层级 */
        .news-title {
            font-size: 1.54rem;
            color: #1a202c;
            font-weight: 600;
            margin-bottom: 1rem;
            line-height: 1.4; /* 行高优化，提升阅读性 */
            transition: color 0.3s ease;
        }

        .news-card:hover .news-title {
            color: #143285; /* 强调色呼应，统一视觉 */
        }

        /* 简介 - 企业风更短的行数，控制卡片高度 */
        .news-desc {
            color: #64748b;
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 1.2rem;
            display: -webkit-box;
            -webkit-line-clamp: 2; /* 改为2行，精简内容 */
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        /* 阅读按钮 - 企业风简约设计 */
        .news-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #171d7e;
            font-weight: 600;
            font-size: 0.85rem;
            text-decoration: none;
            margin-top: auto;
            padding-bottom: 0.2rem;
            border-bottom: 1px solid transparent; /* 底部边框hover效果 */
        }

        .news-more:hover {
            border-bottom: 1px solid #165dff;
        }

        .news-more svg {
            width: 14px;
            height: 14px;
            transition: transform 0.3s ease;
        }

        .news-card:hover .news-more svg {
            transform: translateX(4px); /* 小幅位移，克制不夸张 */
        }

        /* 响应式适配 - 企业官网多终端兼容 */
        @media (max-width: 1200px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr); /* 中屏2列 */
            }
        }

        @media (max-width: 768px) {
            .index_news_Btn{
                 justify-content: center!important;
            }
            .news-filter{
                display: none;
            }
            .news-grid {
                grid-template-columns: 1fr; /* 小屏1列 */
                gap: 1.5rem;
            }
            .news-section {
                padding: 2rem 0!important;
            }
            .news-header h2 {
                font-size: 1.6rem;
            }
        }
        /*        新闻结束*/





        /*首页banner*/
        /* --- 4. 英雄区 (Hero Slider) --- */
        /* 移除所有自定义变量，直接使用具体数值 */
        .huangchangbanenr-hero {
            height: 100vh;
            width: 100%;
            position: relative;
            overflow: hidden;
            background: #0f172a;
            /* 原var(--primary-dark) */
            user-select: none;
            -webkit-user-select: none;
        }

        /* 轮播项样式 */
        .huangchangbanenr-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1.2s ease-in-out, transform 8s linear;
            transform: scale(1.05);
            z-index: 1;
        }

        .huangchangbanenr-slide.active {
            opacity: 1;
            transform: scale(1);
            z-index: 2;
        }

        /* 轮播背景 */
        .huangchangbanenr-slide-bg {
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        /*.huangchangbanenr-slide-bg::before {
    content: '';
    position: absolute;
    top: 0; 
    left: 0;
    width: 100%; 
    height: 100%;
    background: linear-gradient(90deg, rgba(15,23,42,0.8) 0%, rgba(15,23,42,0.4) 60%, rgba(15,23,42,0) 100%);
}*/

        /* 英雄区内容 */
        .huangchangbanenr-hero-content {
            position: absolute;
            top: 50%;
            left: 8%;
            transform: translateY(-50%);
            z-index: 10;
            color: white;
            max-width: 800px;
        }

        /* 副标题 */
        .huangchangbanenr-hero-subtitle {
            font-size: 1rem;
            color: #0ea5e9;
            /* 原var(--accent) */
            letter-spacing: 4px;
            text-transform: uppercase;
            margin-bottom: 1rem;
            display: block;
            opacity: 0;
            transform: translateY(20px);
            transition: 0.8s ease 0.3s;
        }

        /* 标题 */
        .huangchangbanenr-hero-title {
            font-size: 4.5rem;
            line-height: 1.1;
            font-weight: 700;
            margin-bottom: 2rem;
            opacity: 0;
            transform: translateY(30px);
            transition: 0.8s ease 0.5s;
            width: 70%;
        }

        /* 描述文本 */
        .huangchangbanenr-hero-desc {
            font-size: 1.1rem;
            color: #d8e1ef;
            /* 原var(--text-gray) */
            margin-bottom: 3rem;
            max-width: 600px;
            opacity: 0;
            transform: translateY(30px);
            transition: 0.8s ease 0.7s;
        }

        /* 激活态内容动画 */
        .huangchangbanenr-slide.active .huangchangbanenr-hero-subtitle,
        .huangchangbanenr-slide.active .huangchangbanenr-hero-title,
        .huangchangbanenr-slide.active .huangchangbanenr-hero-desc,
        .huangchangbanenr-slide.active .huangchangbanenr-hero-btn {
            opacity: 1;
            transform: translateY(0);
        }

        /* 主按钮 */
        .huangchangbanenr-btn-main {
            display: inline-block;
            padding: 18px 45px;
            background: #0ea5e9;
            /* 原var(--accent) */
            color: white;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 1px;
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: 0.4s;
            opacity: 1;
            transform: translateY(30px);
            transition: opacity 0.8s ease 0.9s, transform 0.8s ease 0.9s, background 0.3s;
        }

        .huangchangbanenr-btn-main:hover {
            background: #0284c7;
            transform: translateY(-2px);
            box-shadow: 0 20px 30px -10px rgba(14, 165, 233, 0.4);
        }

        /* 指示器容器 */
        .huangchangbanenr-slider-nav {
            position: absolute;
            bottom: 40px;
            right: 5%;
            z-index: 20;
            display: flex;
            gap: 15px;
        }

        /* 指示器点 */
        .huangchangbanenr-dot {
            width: 50px;
            height: 3px;
            background: rgba(255, 255, 255, 0.2);
            cursor: pointer;
            position: relative;
            transition: 0.3s;
        }

        .huangchangbanenr-dot::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            height: 100%;
            width: 0%;
            background: #0ea5e9;
            /* 原var(--accent) */
            transition: width 5s linear;
        }

        .huangchangbanenr-dot.active {
            background: rgba(255, 255, 255, 0.4);
        }

        .huangchangbanenr-dot.active::after {
            width: 100%;
        }

        /* 箭头样式 */
        .huangchangbanenr-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(15, 23, 42, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            cursor: pointer;
            z-index: 20;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .huangchangbanenr-prev {
            left: 30px;
        }

        .huangchangbanenr-next {
            right: 30px;
        }

        .huangchangbanenr-arrow:hover {
            background: #0ea5e9;
            /* 原var(--accent) */
            border-color: #0ea5e9;
            /* 原var(--accent) */
            box-shadow: 0 0 15px rgba(14, 165, 233, 0.5);
        }

        /* 响应式优化 */
        @media (max-width: 768px) {
            .huangchangbanenr-arrow {
                width: 40px;
                height: 40px;
            }

            .huangchangbanenr-slider-nav {
                right: 50%;
                transform: translateX(50%);
            }
        }
        @media (max-width: 768px) {
            /* 调整英雄区内容位置，减少左侧间距 */
            .huangchangbanenr-hero-content {
                display: none;
                left: 5%;
                max-width: 90%;
            }

            /* 副标题调整 */
            .huangchangbanenr-hero-subtitle {
                font-size: 0.9rem;
                letter-spacing: 2px;
                margin-bottom: 0.8rem;
            }

            /* 标题调整 */
            .huangchangbanenr-hero-title {
                font-size: 2.5rem;
                width: 90%;
                margin-bottom: 1.5rem;
            }

            /* 描述文本调整 */
            .huangchangbanenr-hero-desc {
                font-size: 1rem;
                margin-bottom: 2rem;
                max-width: 95%;
            }

            /* 按钮尺寸调整 */
            .huangchangbanenr-btn-main {
                padding: 14px 35px;
                font-size: 0.85rem;
            }

            /* 指示器容器位置调整（移到底部居中） */
            .huangchangbanenr-slider-nav {
                bottom: 30px;
                right: 50%;
                transform: translateX(50%);
                gap: 10px;
            }

            /* 指示器点尺寸调整 */
            .huangchangbanenr-dot {
                width: 40px;
                height: 2px;
            }

            /* 箭头尺寸调整 */
            .huangchangbanenr-arrow {
                width: 50px;
                height: 50px;
            }

            .huangchangbanenr-prev {
                left: 15px;
            }

            .huangchangbanenr-next {
                right: 15px;
            }
        }

        /* 手机设备 (480px 及以下) */
        @media (max-width: 480px) {
            /* 英雄区内容进一步优化 */
            .huangchangbanenr-hero-content {
                left: 4%;
                max-width: 92%;
            }

            /* 副标题 */
            .huangchangbanenr-hero-subtitle {
                font-size: 0.8rem;
                letter-spacing: 1px;
            }

            /* 标题（核心调整，适配小屏） */
            .huangchangbanenr-hero-title {
                font-size: 1.8rem;
                line-height: 1.2;
                width: 100%;
                margin-bottom: 1rem;
            }

            /* 描述文本 */
            .huangchangbanenr-hero-desc {
                font-size: 0.9rem;
                margin-bottom: 1.5rem;
            }

            /* 按钮进一步缩小 */
            .huangchangbanenr-btn-main {
                padding: 12px 30px;
                font-size: 0.8rem;
            }

            /* 指示器容器 */
            .huangchangbanenr-slider-nav {
                bottom: 20px;
                gap: 8px;
            }

            /* 指示器点 */
            .huangchangbanenr-dot {
                width: 30px;
                height: 2px;
            }

            /* 箭头大幅缩小，避免遮挡内容 */
            .huangchangbanenr-arrow {
                width: 40px;
                height: 40px;
            }

            .huangchangbanenr-prev {
                left: 10px;
            }

            .huangchangbanenr-next {
                right: 10px;
            }

            /* 可选：小屏下隐藏箭头，仅保留指示器（根据需求选择） */
            /* .huangchangbanenr-arrow {
                display: none;
            } */
        }

        /* 竖屏手机 (屏幕高宽比 > 1.5) */
        @media (max-aspect-ratio: 2/3) {
            .huangchangbanenr-hero-title {
                font-size: 1.6rem;
            }

            .huangchangbanenr-hero-content {
                top: 45%;
            }
        }
        /* 手机端限制轮播高度，避免图片过度拉伸 */
        @media (max-width: 768px) {
            .huangchangbanenr-hero {
                height: 70vh;  /* 把全屏高度改成视口的70% */
                min-height: 400px;  /* 确保最小高度，避免内容太挤 */
            }
        }

        /* 更小屏再微调 */
        @media (max-width: 480px) {
            .huangchangbanenr-hero {
                height: 60vh;
                min-height: 350px;
            }
        }
        /* 确保背景图在手机端正确显示核心内容 */
        .huangchangbanenr-slide-bg {
            background-size: cover;
            background-position: center center;  /* 强制居中 */
        }

        @media (max-width: 768px) {
            .huangchangbanenr-slide-bg {
                background-position: 81% center;  /* 可以微调，让风机主体不被裁切 */
            }
        }
        @media (max-width: 768px) {
            .huangchangbanenr-hero-content {
                top: 40%;  /* 向上移动，避免被底部遮挡 */
                left: 5%;
                max-width: 90%;
                z-index: 15;  /* 提高层级，确保文字在最上层 */
            }

            /* 标题和描述文字再紧凑一点 */
            .huangchangbanenr-hero-title {
                font-size: 2rem;
                margin-bottom: 1rem;
            }

            .huangchangbanenr-hero-desc {
                font-size: 0.95rem;
                margin-bottom: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .huangchangbanenr-slider-nav {
                bottom: 15px;  /* 再往上一点，避免被底部栏遮挡 */
            }

            .huangchangbanenr-arrow {
                width: 45px;
                height: 45px;
            }

            .huangchangbanenr-prev {
                left: 10px;
            }

            .huangchangbanenr-next {
                right: 10px;
            }
        }
/*        首页案例*/


    .schangchang_case_contener {
        position: relative;
        background: radial-gradient(circle at center, #1b2e4b 0%, #090c10 100%);
        overflow: hidden;
        font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
        height: 100vh;
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        user-select: none;
    }

    /* --- 容器样式 (命名已修改) --- */
    .shuangchang_case_stage {
        width: 100%;
        height: 100%;
        perspective: 1200px;
        position: relative;
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: grab;
        overflow: hidden;
    }

    .shuangchang_case_stage:active {
        cursor: grabbing;
    }

    /* 3D 球体容器 */
    .shuangchang_case_sphere {
        position: relative;
        transform-style: preserve-3d;
        /* 宽高由 JS 根据屏幕动态计算，或者 CSS 设定最大值 */
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    /* --- 文字项样式 --- */
    .shuangchang_case_item {
        position: absolute;
        color: rgba(255, 255, 255, 0.85);
        font-weight: 400;
        white-space: nowrap;
        will-change: transform, opacity;
        /* 默认字体大小，大屏使用 */
        font-size: 16px;
        text-shadow: 0 0 5px rgba(0, 168, 255, 0.3);
        transition: color 0.3s, text-shadow 0.3s;
        pointer-events: none;
    }

    /* 交互状态 */
    .shuangchang_case_item.shuangchang_case_interactive {
        pointer-events: auto;
        cursor: pointer;
    }

    .shuangchang_case_item:hover {
        color: #00f0ff;
        text-shadow: 0 0 20px rgba(0, 240, 255, 0.9);
        z-index: 10000 !important;
    }

    /* 背景大字 */
    .shuangchang_case_bg_title {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        color: rgba(255, 255, 255, 0.03);
        font-size: 9vw;
        /* 响应式字体 */
        font-weight: 900;
        pointer-events: none;
        z-index: 0;
        letter-spacing: 0.3em;
    }

    /* --- 响应式断点控制 --- */
    @media (max-width: 768px) {
        .shuangchang_case_item {
            font-size: 12px;
            /* 手机端字体调小 */
        }

        .shuangchang_case_bg_title {
            font-size: 15vw;
            letter-spacing: 0.1em;
        }
    }
/*    首页案例结束*/