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

body, html {
    height: 1900px;
       font-family: 'Helvetica Neue', Arial, sans-serif;
}
body{
       background-image: url("/upload/Article/Theme/default/Template/images/index.jpg");
        background-attachment: fixed;
      background-size: cover;
      background-position: center;
}

.carousel {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out, transform 1s ease-in-out;
    background-size: cover;
    background-position: center;
    transform: scale(1.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

    .slide.active {
        opacity: 1;
        transform: scale(1);
    }

/* 文字容器 */
.slide-content {
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 20px;
}

/* 所有文字默认隐藏并下移 */
.slide h2,
.slide p {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* 激活时：标题立即开始动画 */
.slide.active h2 {
    opacity: 1;
    transform: translateY(0);
}

/* 激活时：副标题延迟 0.2 秒出现 */
.slide.active p {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.slide h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 2px 12px rgba(0,0,0,0.5);
    font-weight: 800;
}

.slide p {
    font-size: 1.4rem;
    line-height: 1.6;
    text-shadow: 0 1px 8px rgba(0,0,0,0.6);
}

/* 指示器 */
.indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 10;
}

.indicator-item {
    position: relative;
    width: 12px;
    height: 12px;
}

.dot-circle {
    position: absolute;
    top: 0;
    left: 0;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    transition: background-color 1s ease;
}

.indicator-item.active .dot-circle {
    background-color: white;
    transition:1s
}

.dot-bar {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 36px;
    height: 12px;
    border-radius: 12px;
    background-color: white;
    transform: translate(-50%, -50%);
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s;
}

.indicator-item.active .dot-bar {
    opacity: 1;
    visibility: visible;
}

/* 响应式 */
@media (max-width: 768px) {
    .slide h2 {
        font-size: 2.2rem;
    }

    .slide p {
        font-size: 1.1rem;
    }
}







 .container2 {
     position: relative;
     width: 100%;
     height: 700px;
     margin: 0 auto;
 }

 .top-rect {
     position: absolute;
     top: 0;
     left: 0;
     width: 100%;
     height: 350px;
     box-sizing: border-box;
     background: #f5f5f5;
 }

     .top-rect .right-content {
         position: absolute;
         top: 140px;
         right: 140px;
         display: flex;
         flex-direction: row;
         gap: 40px;
         color: white;
         text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
     }

 /* 动画定义 */
 @keyframes fadeInUp {
     from {
         opacity: 0;
         transform: translateY(20px);
     }

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

 .top-rect .stats-item {
     display: flex;
     flex-direction: column;
     align-items: flex-start;
     gap: 8px;
     min-width: 120px;
     opacity: 0;
     animation: fadeInUp 0.8s ease-out forwards;
 }

 .top-rect .right-content > .stats-item:nth-child(1) {
     animation-delay: 0.2s;
 }

 .top-rect .right-content > .stats-item:nth-child(2) {
     animation-delay: 0.4s;
 }

 .top-rect .stats-item .number-unit {
     display: flex;
     align-items: flex-end;
     gap: 4px;
 }

     .top-rect .stats-item .number-unit .stats-number {
         font-size: 2.5rem;
         font-weight: bold;
         color: #333333;
         line-height: 1;
     }

     .top-rect .stats-item .number-unit .stats-unit {
         font-size: 1rem;
         color: rgba(255, 255, 255, 0.9);
         align-self: flex-end;
     }

 .top-rect .stats-text {
     font-size: 0.95rem;
     color: #434343;
     display: flex;
     align-items: center;
     gap: 8px;
 }

 .top-rect .icon {
     font-size: 1.2rem;
 }

 .bottom-rect {
     position: absolute;
     bottom: 0;
     left: 0;
     width: 100%;
     height: 350px;
     box-sizing: border-box;
     background: none;
 }

 .square {
     position: absolute;
     top: 85px;
     left: 85px;
     width: 630px;
     height: 470px;
     box-sizing: border-box;
     background: #ffffff;
     padding: 50px;
 }

     .square h1 {
         font-size: 3rem;
         font-weight: bold;
         letter-spacing: 1px;
         margin-bottom: 30px;
         color: #000;
     }

     .square h2 {
         font-size: 1.8rem;
         margin-bottom: 10px;
         color: #000;
     }

     .square p {
         font-size: 1rem;
         color: #555;
         margin-bottom: 30px;
         line-height: 1.6;
     }

     .square .btn {
         display: inline-block;
         padding: 12px 30px;
         font-size: 1rem;
         color: #000;
         background-color: transparent;
         border: 1px solid #000;
         border-radius: 30px;
         text-decoration: none;
         transition: all 0.3s ease;
         box-shadow: 0 2px 0 rgba(0, 0, 0, 0.1);
     }

         .square .btn:hover {
             background-color: #f0f0f0;
         }

 /* 移动端优化（适配中国用户） */
 @media (max-width: 640px) {
     .top-rect,
     .bottom-rect {
         display: none;
     }

     .container2 {
         background:#f5f5f5;
         height: auto;
         padding: 20px 20px;
         width: 100%;
         box-sizing: border-box;
         position: relative;
     }

     .square {
         position: static;
         width: 100%;
         height: auto;
         padding: 25px;
         box-sizing: border-box;
         background: #ffffff;
         border-radius: 12px;
         box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
     }

         .square h1 {
             font-size: 2rem;
             letter-spacing: 0.5px;
             margin-bottom: 20px;
         }

         .square h2 {
             font-size: 1.4rem;
             margin-bottom: 12px;
         }

         .square p {
             font-size: 1rem;
             color: #333;
             margin-bottom: 25px;
             line-height: 1.65;
         }

         .square .btn {
             padding: 10px 24px;
             font-size: 1rem;
             border: 1px solid #e0e0e0;
             border-radius: 24px;
             background-color: #f8f8f8;
             color: #333;
             text-align: center;
         }

             .square .btn:hover {
                 background-color: #ff0000;
                 color: white;
                 border-color: #ff0000;
             }
 }



 .quick-query {
    width: 100%;
    background-color: rgba(255,255,255,0.7);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

    /* 标题区域 */
    .quick-query .headerquery {
        text-align: center;
        margin-bottom: 40px;
    }

        .quick-query .headerquery .title {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 700;
            color: #000;
            margin-bottom: 12px;
        }

        .quick-query .headerquery .subtitle {
            font-size: clamp(1rem, 2.5vw, 1.2rem);
            color: #666;
        }

    /* 查询项网格 */
    .quick-query .items-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 24px;
    }

        /* 单个查询项 */
        .quick-query .items-grid .item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 24px;
            border-radius: 12px;
            background-color: #fff;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            text-decoration: none;
            color: inherit;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            overflow: hidden;
        }

            .quick-query .items-grid .item:hover {
                transform: translateY(-4px);
                box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
            }

            /* Logo 占位区 */
            .quick-query .items-grid .item .logo {
                width: 120px;
                height: 30px;
                border-radius: 4px;
                display: flex;
                align-items: center;
                justify-content: center;
                color: white;
                font-weight: bold;
                font-size: 0.9rem;
                margin-bottom: 12px;
            }

            /* 品牌名称 */
            .quick-query .items-grid .item .brand-name {
                font-size: 1.25rem;
                font-weight: 600;
                margin-bottom: 12px;
                text-align: center;
                color:#333333;
            }

            /* 箭头 */
            .quick-query .items-grid .item .arrow {
                font-size: 1.2rem;
                color: #666;
                transition: transform 0.2s ease;
            }

            .quick-query .items-grid .item:hover .arrow {
                transform: translateX(4px);
                color: #000;
            }

            /* 不同品牌的 Logo 背景色 */
            .quick-query .items-grid .item:nth-child(1) .logo {
                background: linear-gradient(90deg, #e74c3c, #3498db);
            }

            .quick-query .items-grid .item:nth-child(2) .logo {
                background: linear-gradient(90deg, #2ecc71, #1abc9c);
            }

            .quick-query .items-grid .item:nth-child(3) .logo {
                background: linear-gradient(90deg, #9b59b6, #8e44ad);
                font-size: 1.2rem;
            }

/* 手机端适配 */
@media (max-width: 768px) {
    .quick-query {
        padding: 24px;
    }

        .quick-query .headerquery {
            margin-bottom: 24px;
        }

        .quick-query .items-grid {
            gap: 16px;
        }

            .quick-query .items-grid .item {
                padding: 20px;
            }
}



.brand-video-layout {
    width: 100%;
    height: 790px;
    display: flex;
    position: relative;
}

    /* 视频区域 */
    .brand-video-layout .video-section {
        flex: 1;
        background: #000;
        position: relative;
        overflow: hidden;
    }

    .brand-video-layout .video-container {
        width: 100%;
        height: 100%;
        position: relative;
    }

    .brand-video-layout video {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .brand-video-layout .video-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        color: white;
        text-align: center;
        padding: 20px;
        z-index: 1;
    }

        .brand-video-layout .video-overlay h2 {
            font-size: 2rem;
            margin-bottom: 10px;
        }

        .brand-video-layout .video-overlay p {
            font-size: 1.2rem;
            opacity: 0.9;
        }

    /* 品牌介绍区域 */
    .brand-video-layout .brand-section {
        flex: 1;
        background-image: url('https://via.placeholder.com/600x800/333/fff?text=Modern+Office');
        background-size: cover;
        background-position: center;
        position: relative;
        padding: 40px;
        color: white;
    }

        .brand-video-layout .brand-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1;
        }

    .brand-video-layout .brand-content {
        position: relative;
        z-index: 2;
        display: flex;
        flex-direction: column;
        height: 100%;
        justify-content: space-between;
    }

    .brand-video-layout .brand-title {
        font-size: 2.5rem;
        font-weight: bold;
        margin-bottom: 20px;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .brand-video-layout .brand-subtitle {
        font-size: 1.2rem;
        margin-bottom: 15px;
        opacity: 0.9;
    }

    .brand-video-layout .brand-description {
        font-size: 0.95rem;
        margin-bottom: 25px;
        opacity: 0.85;
    }

    .brand-video-layout .brand-tabs {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .brand-video-layout .tab-btn {
        padding: 12px 20px;
        background: rgba(255, 255, 255, 0.2);
        border: 1px solid rgba(255, 255, 255, 0.5);
        color: white;
        font-size: 1.1rem;
        cursor: pointer;
        border-radius: 6px;
        transition: all 0.3s;
        text-align: center;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 10px;
    }

        .brand-video-layout .tab-btn:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        .brand-video-layout .tab-btn.active {
            background: white;
            color: #333;
            border-color: #333;
        }

        .brand-video-layout .tab-btn img {
            height: 20px;
        }

/* 移动端响应式 */
@media (max-width: 992px) {
    .brand-video-layout {
        flex-direction: column;
        height: auto;
        min-height: 790px;
    }

        .brand-video-layout .video-section,
        .brand-video-layout .brand-section {
            width: 100%;
            height: 395px;
        }

        .brand-video-layout .brand-section {
            padding: 25px;
        }

        .brand-video-layout .brand-title {
            font-size: 1.8rem;
        }

        .brand-video-layout .video-overlay h2 {
            font-size: 1.5rem;
        }

        .brand-video-layout .video-overlay p {
            font-size: 1rem;
        }
}

@media (max-width: 576px) {
    .brand-video-layout .brand-title {
        font-size: 1.5rem;
    }

    .brand-video-layout .tab-btn {
        font-size: 1rem;
        padding: 10px 15px;
    }
}



:root {
    --product-primary: #0056b3;
    --product-text-main: #1a1a1a;
    --product-text-sub: #666;
    --product-bg-page: #f5f7fa;
    --product-bg-card: #ffffff;
    --product-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --product-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
    --product-gap: 20px;
    --product-radius: 12px;
}
  .product-container {
     margin: 0 auto;
     display: flex;
     flex-direction: column;
     gap: var(--product-gap);
     padding: 40px 20px;
     box-sizing:border-box
 }

 /* --- 通用列样式 (Element) --- */
 .product-column {
     border-radius: var(--product-radius);
     overflow: hidden;
     box-shadow: var(--product-shadow);
 }

 /* --- 左侧：品牌介绍列 (Modifier: brand) --- */
 .product-column--brand {
     width: 100%;
     padding: 40px;
     display: flex;
     flex-direction: column;
     justify-content: center;
 }

 .product-brand__title {
     font-size: 32px;
     font-weight: 800;
     color: #ffffff;
     margin-bottom: 8px;
     letter-spacing: -0.5px;
 }

 .product-brand__subtitle {
     font-size: 14px;
     text-transform: uppercase;
     color:  #ffffff;
     font-weight: 700;
     letter-spacing: 1px;
     margin-bottom: 24px;
 }

 .product-brand__desc {
     font-size: 15px;
     color:  #ffffff;
     margin-bottom: 32px;
     text-align: justify;
 }

 .product-brand__btn {
     display: inline-block;
     align-self: flex-start;
     padding: 12px 28px;
     background-color: var(--product-primary);
     color: #fff;
     text-decoration: none;
     font-weight: 600;
     border-radius: 30px;
     transition: all 0.3s ease;
     font-size: 14px;
 }

     .product-brand__btn:hover {
         background-color: #004494;
         transform: translateY(-2px);
         box-shadow: 0 4px 12px rgba(0, 86, 179, 0.3);
     }

 /* --- 右侧：产品网格列 (Modifier: grid) --- */
 .product-column--grid {
     width: 100%;
     padding: 30px;
 }

 /* 网格系统 */
 .product-grid {
     display: grid;
     /* 默认手机：一行2个 */
     grid-template-columns: repeat(2, 1fr);
     gap: var(--product-gap);
 }

 /* 网格项 */
 .product-grid__item {
     background-color: #fff;
     border-radius: 8px;
     overflow: hidden;
     box-shadow: 0 2px 6px rgba(0,0,0,0.05);
     transition: transform 0.3s ease, box-shadow 0.3s ease;
     cursor: pointer;
     border: 1px solid #eee;
     display: flex;
     flex-direction: column;
 }

     .product-grid__item:hover {
         transform: translateY(-6px);
         box-shadow: var(--product-shadow-hover);
         border-color: transparent;
     }

 /* 图片区域 */
 .product-grid__image {
     width: 100%;
     height: 180px;
     background-color: #eee;
     background-size: cover;
     background-position: center;
     transition: transform 0.5s ease;
 }

 .product-grid__item:hover .product-grid__image {
     transform: scale(1.05);
 }

 /* 文字区域 */
 .product-grid__code {
     padding: 16px;
     text-align: center;
     font-size: 15px;
     font-weight: 600;
     color: var(--product-text-main);
     background-color: #fff;
     flex-grow: 1;
     display: flex;
     align-items: center;
     justify-content: center;
 }

 /* --- 响应式断点 --- */

 /* 平板及以上 (>= 768px): 启用 4:6 横排 */
 @media (min-width: 768px) {
     .product-container {
         flex-direction: row;
     }

     .product-column--brand {
         width: 40%;
         flex: 0 0 40%;
     }

     .product-column--grid {
         width: 60%;
         flex: 0 0 60%;
     }

     /* 平板上产品网格一行3个 */
     .product-grid {
         grid-template-columns: repeat(3, 1fr);
     }
 }

 /* 大桌面 (>= 1024px): 产品网格一行4个 */
 @media (min-width: 1024px) {
     .product-grid {
         grid-template-columns: repeat(4, 1fr);
     }
 }

 /* 小手机 (< 480px): 产品网格一行1个 */
 @media (max-width: 479px) {
     .product-brand__title {
         font-size: 26px;
     }

     .product-brand__desc {
         font-size: 14px;
     }

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

     .product-grid__image {
         height: 220px;
     }
 }





.news {
    width: 100%;
    height: 580px;
    display: flex;
    overflow: hidden;
    padding: 0 70px; /* 两侧70px空白 */
    background-color: #f4f4f4;
}

/* --- 左侧导航区域 (.news-nav) --- */
.news-nav {
    width: 280px;
    background-color: #fff;
    padding: 40px 20px 40px 0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid #eee;
}

.news-title {
    font-size: 32px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 1px;
    color: #222;
}

.news-section-title {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 10px;
    color: #333;
}

.news-desc {
    font-size: 14px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.8;
}

.news-tab-list {
    list-style: none;
}

.news-tab-item {
    padding: 15px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
    font-size: 16px;
    color: #333;
    margin-bottom: 5px;
}

    .news-tab-item:hover {
        background-color: #f9f9f9;
    }

    .news-tab-item.active {
        background-color: #f0f0f0;
        color: #d68c45; /* 橙色高亮 */
        font-weight: 600;
    }

/* --- 右侧内容区域 (.news-content) --- */
.news-content {
    flex-grow: 1;
    padding: 40px 0 40px 20px;
    overflow-y: auto;
    position: relative;
}

/* 卡片网格 (.news-grid) */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* 单个卡片 (.news-card) */
.news-card {
    background-color: #fff;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

    .news-card.hidden {
        display: none;
    }

    .news-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
    }

.news-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background-color: #eee;
}

.news-card-body {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news-card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.4;
    color: #222;
}

.news-card-date {
    font-size: 14px;
    color: #888;
}

.news-btn-more {
    margin-top: 30px;
    padding: 12px 30px;
    background-color: transparent;
    border: 1px solid #ccc;
    border-radius: 25px;
    color: #333;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: flex-end;
}

    .news-btn-more:hover {
        border-color: #333;
        background-color: #333;
        color: #fff;
    }

.news-empty-msg {
    display: none;
    text-align: center;
    color: #888;
    font-size: 18px;
    padding: 40px;
    background: #fff;
    border-radius: 4px;
}

/* --- 响应式设计 (手机模式) --- */
@media (max-width: 900px) {
    .news {
        padding: 0 20px; /* 小屏幕减小两侧留白 */
        height: auto;
        flex-direction: column;
    }

    .news-nav {
        width: 100%;
        padding: 20px 0;
        border-right: none;
        border-bottom: 1px solid #eee;
    }

    .news-content {
        padding: 20px 0;
    }

    .news-grid {
        grid-template-columns: 1fr; /* 单列显示 */
    }

    .news-btn-more {
        align-self: center;
        width: 100%;
    }
}




.video-container {
    height: auto;
    text-align: center;
    padding-top: 0;
    /* 禁止容器被鼠标缩放改变大小 */
    transform: scale(1);
    transform-origin: center;
}

.videojs {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    position: relative;
    display: block;
    margin: 0 auto;
    z-index: 1;
    min-width: 100%;
    min-height: 100%;
}

.v-but {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    width: 80px;
    height: auto;
    cursor: pointer;
    display: none;
}

@media (max-width: 768px) {
    .v-but {
        display: block !important;
    }

    .v-but {
        width: 60px !important;
    }
}

@media (min-width: 769px) {
    .v-but {
        display: none !important;
    }
}

.v-but:active {
    transform: translate(-50%, -50%) scale(0.95);
    transition: transform 0.2s;
}