body{
            color: #4D4D4D;background:#fff;
            /*line-height:1.6;  不能用*/
        }
        
        .info-case-swiper{
            margin-bottom: 80px;
        }

        /* 产品主区块 - 响应式 */
        .pro-main{display:grid;grid-template-columns:120px 1fr 630px;gap:34px;padding: 0 0 60px 0;}

        /* ========== 左侧缩略图 - 使用 Swiper ========== */
        .thumb-col {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        /* 缩略图 Swiper 容器 */
        .thumb-swiper {
            width: 100%;
            height: 550px;
            overflow: hidden;
        }

        .thumb-swiper .swiper-wrapper {
            flex-direction: column;
            gap: 12px;
        }

        .thumb-swiper .swiper-slide {
            width: 100% !important;
            height: 120px !important;
            flex-shrink: 0;
        }

        .thumb-item {
            width: 120px;
            height: 120px;
            border: 1px solid #eee;
            cursor: pointer;
            overflow: hidden;
            transition: all 0.3s ease;
            margin: 0 auto;
        }

        .thumb-item.active {
            border-color: #D62A29;
        }

        .thumb-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .thumb-item:hover img {
            transform: scale(1.05);
        }

        /* 上下按钮 */
        .thumb-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #000;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        .thumb-btn:hover:not(.disabled) {
            color: #D62A29;
        }

        .thumb-btn.disabled {
            opacity: 0.3;
            cursor: not-allowed;
            pointer-events: none;
        }

        /* 移除 Swiper 自带的按钮禁用样式 */
        .thumb-btn.swiper-button-disabled {
            opacity: 1 !important;
            pointer-events: auto !important;
        }

        /* 中间主图 */
        .main-img-box{width:100%;height:630px;display:flex;align-items:center;justify-content:center;}
        .main-img-box img{max-width:100%;max-height:100%;transition: opacity 0.3s ease;}

        /* 右侧产品信息 - 响应式 */
        .pro-info{color: #000;}
        .pro-info h1{font-size:44px;font-weight:700;margin-bottom:6px;}
        .pro-info .desc{color:#4D4D4D;margin:24px 0;line-height:1.7;}
        .param-list{}
        .param-item{display:flex;padding:10px 0 10px 30px;flex-wrap:wrap;background: #f7f7f7;margin: 0 0 6px 0;font-weight: 700;}
        .param-label{width:140px;font-weight:600;flex-shrink:0;}
        .param-value{color:#4D4D4D;word-break:break-word;display: flex;align-items: center;gap:10px}
        .param-link{background: #FFF6F6;}
        .param-link a{text-decoration:none;transition: color 0.2s;line-height: 20px;}
        .param-link a:hover{color:#b81821;}
        .param-value i{font-size: 20px;}

        .btn-group{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}
        .btn-red,.btn-black{
            border:none;font-weight:600;cursor:pointer;text-decoration:none;
            transition: background 0.25s ease;
            text-align:center;
            flex:1 1 auto;
            border: 1px solid #fff;
            height: 44px;
            line-height: 1;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-red{background:#D62A29;color:#fff;}
        .btn-red:hover{
            background:none;
            color:#D62A29;
            border: 1px solid #D62A29;
        }
        .btn-black{background:#000;color:#fff;}
        .btn-black:hover{
            background:none;
            color:#D62A29;
            border: 1px solid #D62A29;

        }

        /* ========== 手机端适配 ========== */
        @media (max-width: 1299px) {
            .pro-main {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 0 0 40px 0;
            }
            
            .thumb-col {
                flex-direction: row;
                width: 96vw;
                order: 2;
            }
            
            .thumb-btn {
                transform: rotate(270deg);
                flex-shrink: 0;
                display: none;
            }
            
            .thumb-swiper {
                height: 100px;
                flex: 1;
            }
            
            .thumb-swiper .swiper-wrapper {
                flex-direction: row;
                gap: 0;
            }
            
            .thumb-swiper .swiper-slide {
                width: 120px !important;
                height: 90px !important;
                flex-shrink: 0;
            }
            
            .thumb-item {
                width: 120px;
                height: 90px;
            }
            
            .main-img-box {
                height: 320px;
                order: 1;
            }
            
            .info-col {
                order: 3;
            }
            
            .pro-info h1 {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .thumb-swiper {
                height: 80px;
            }
            
            .thumb-swiper .swiper-slide {
                width: 80px !important;
                height: 80px !important;
            }
            
            .thumb-item {
                width: 80px;
                height: 80px;
            }
        }


        /* ========== Product Advantages ========== */
        .advantages-wrap {
            background: #f7f7f7;
            padding: 60px 0;
            position: relative;
        }

        /* Advantages 头部（标题+按钮，模仿 Attachments） */
        .advantages-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 40px;
        }

        .advantages-header .sec-title {
            margin: 0;
        }

        /* Advantages 按钮组（右上角，模仿 Attachments） */
        .advantages-buttons {
            display: flex;
            gap: 10px;
        }

        .advantages-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid #ddd;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: #666;
            transition: all 0.2s ease;
            user-select: none;
        }

        .advantages-btn:hover {
            background: #D62A29;
            color: #fff;
            border-color: #D62A29;
        }

        .advantages-btn.swiper-button-disabled {
            opacity: 0.3;
            cursor: not-allowed;
            pointer-events: none;
        }

        .advantages-btn svg {
            width: 20px;
            height: 20px;
        }

        /* Advantages Swiper */
        .advantages-swiper {
            overflow: hidden;
            position: relative;
        }
        .advantages-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 34px;
        }

        .advantages-swiper .swiper-wrapper {
            display: flex;
        }

        .advantages-swiper .swiper-slide {
        }

        .advantages-swiper .swiper-slide:last-child {
            margin-right: 0;
        }

        .advantages-swiper .adv-item {
            height: 240px;
            border-top: 4px solid #D62A29;
            padding: 0 20px;
            background: #f7f7f7;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }

        .advantages-swiper .adv-item h3 {
            font-size: 20px;
            margin: 50px 0 14px 0;
            position: relative;
            z-index: 2;
            transition: all 0.4s ease;
            color: #000;
            font-weight: 700;
        }

        .advantages-swiper .adv-item p {
            line-height: 1.6;
            position: relative;
            z-index: 2;
            transition: all 0.4s ease;
        }

        /* 悬停背景图片 */
        .advantages-swiper .adv-item .adv-bg-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0;
            transition: opacity 0.5s ease;
            z-index: 0;
        }

        .advantages-swiper .adv-item .adv-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.55);
            opacity: 0;
            transition: opacity 0.5s ease;
            z-index: 1;
        }

        /* 悬停状态：显示图片，隐藏文字 */
        .advantages-swiper .adv-item:hover .adv-bg-img {
            opacity: 1;
        }

        .advantages-swiper .adv-item:hover .adv-overlay {
            opacity: 1;
        }

        .advantages-swiper .adv-item:hover h3 {
            opacity: 0;
            transform: translateY(-20px);
        }

        .advantages-swiper .adv-item:hover p {
            opacity: 0;
            transform: translateY(20px);
        }

        /* Advantages 指示点 */
        .advantages-dots {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 30px;
            display: none;
        }

        .advantages-dots .swiper-pagination-bullet {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ccc;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 1;
        }

        .advantages-dots .swiper-pagination-bullet-active {
            background: #e6212a;
            width: 28px;
            border-radius: 5px;
        }

        /* ========== Compatible Attachments（使用左右居中按钮样式） ========== */
        .attach-wrap {
            padding: 80px 0;
            position: relative;
        }

        .attach-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 40px;
        }

        .attach-header .sec-title {
            margin: 0;
        }

        /* Attachments 左右居中按钮（模仿 Advantages 原样式） */
        .attach-nav-btn {
            position: absolute;
            top: 55%;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid #ddd;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 10;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            color: #666;
        }

        .attach-nav-btn:hover {
            background: #e6212a;
            border-color: #e6212a;
            color: #fff;
            box-shadow: 0 4px 12px rgba(230, 33, 42, 0.3);
        }

        .attach-nav-btn.swiper-button-disabled {
            opacity: 0.3;
            cursor: not-allowed;
            pointer-events: none;
        }

        .attach-nav-btn-prev {
            left: 1%;
        }

        .attach-nav-btn-next {
            right: 1%;
        }

        .attach-nav-btn svg {
            width: 20px;
            height: 20px;
        }

        /* Attachments Swiper */
        .attachSwiper {
            overflow: hidden;
            width: 100%;
        }

        .attachSwiper .swiper-wrapper {
            display: flex;
        }

        .attachSwiper .swiper-slide {
            flex-shrink: 0;
            width: 280px;
        }

        .attach-item {
            text-align: center;
            width: 100%;
        }

        .attach-img {
            border: 1px solid #eee;
            padding: 16px;
            height: 180px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            transition: border 0.2s ease;
        }

        .attach-img:hover {
            border-color: #D62A29;
        }

        .attach-img img {
            max-width: 90%;
            max-height: 90%;
            transition: transform 0.3s ease;
        }

        .attach-img:hover img {
            transform: scale(1.08);
        }

        .attach-name {
            color: #000;
        }

        /* 隐藏 Swiper 默认箭头 */
        .swiper-button-next,
        .swiper-button-prev {
            display: none !important;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 768px) {
            .advantages-wrap {
                padding: 40px 0;
            }

            .advantages-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 24px;
            }

            .advantages-swiper .swiper-slide {
                width: 100%;
                margin-right: 16px;
            }

            .advantages-swiper .adv-item {
                height: 180px;
                padding: 0 16px;
            }

            .advantages-swiper .adv-item h3 {
                font-size: 17px;
                margin: 30px 0 10px 0;
            }

            .advantages-btn {
                width: 36px;
                height: 36px;
            }

            .advantages-btn svg {
                width: 16px;
                height: 16px;
            }

            /* Attachments 响应式 */
            .attach-wrap {
                padding: 40px 0;
            }

            .attach-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 24px;
            }

            .attachSwiper .swiper-slide {
                width: 160px;
            }

            .attach-img {
                height: 130px;
                padding: 12px;
            }

            .attach-nav-btn {
                width: 36px;
                height: 36px;
            }

            .attach-nav-btn-prev {
                left: 0;
            }

            .attach-nav-btn-next {
                right: 0;
            }

            .attach-nav-btn svg {
                width: 16px;
                height: 16px;
            }


            .advantages-wrapper{
                grid-template-columns: 1fr;
            }
            .advantages-swiper .adv-item .adv-bg-img{

            }
        }

        @media (max-width: 480px) {

            .advantages-swiper .adv-item {
                height: 160px;
            }

            .advantages-swiper .adv-item h3 {
                font-size: 15px;
                margin: 24px 0 8px 0;
            }

            .advantages-swiper .adv-item p {
                font-size: 14px;
            }

            .advantages-btn {
                width: 30px;
                height: 30px;
            }

            .advantages-btn svg {
                width: 14px;
                height: 14px;
            }

            /* Attachments 小屏 */
            .attachSwiper .swiper-slide {
                width: 130px;
            }

            .attach-img {
                height: 110px;
                padding: 10px;
            }

            .attach-name {
            }

            .attach-nav-btn {
                width: 30px;
                height: 30px;
            }

            .attach-nav-btn svg {
                width: 14px;
                height: 14px;
            }
        }


    
        .pro-tab {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0;
            position: sticky;
            bottom: 26px;
            max-width: 1520px;
            margin: auto;
            background: #fff;
            z-index: 100;
            padding: 20px 50px;
            box-shadow: 0 4px 20px rgba(214, 42, 41, 0.12);
        }

        .pro-tab .tab-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            flex: 1;
        }

        .pro-tab a {
            text-decoration: none;
            font-weight: 600;
            color: #000;
            background: transparent;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            position: relative;
            flex: 0 1 auto;
            min-width: 80px;
            height: 40px;
            line-height: 1;
            padding: 0 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        /* 下划线效果 */
        .pro-tab a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: #D62A29;
            transition: width 0.3s ease;
        }

        /* 悬停状态：红色下划线 + 红色字体 */
        .pro-tab a:hover {
            color: #D62A29;
        }

        .pro-tab a:hover::after {
            width: 60%;
        }

        /* 选中状态：红色下划线 + 红色字体 */
        .pro-tab a.active {
            color: #D62A29;
            background: transparent;
        }

        .pro-tab a.active::after {
            width: 70%;
        }

        /* 咨询按钮（右侧独立） */
        .pro-tab a.consult {
            margin-left: auto;
            background: #D62A29;
            color: #fff;
            flex-shrink: 0;
        }

        .pro-tab a.consult::after {
            display: none;
        }

        .pro-tab a.consult:hover {
            background: #b81821;
            color: #fff;
        }

        .pro-tab a.consult.active {
            background: #D62A29;
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            .pro-tab {
                padding: 0 10px;
                box-shadow: 0 2px 12px rgba(214, 42, 41, 0.10);
                flex-direction: column;
                align-items: stretch;
                display: none;
            }

            .pro-tab .tab-nav {
                flex-wrap: wrap;
                justify-content: center;
            }

            .pro-tab a {
                padding: 12px 16px;
                font-size: 14px;
                flex: 1 1 auto;
                min-width: 60px;
            }

            .pro-tab a.consult {
                margin-left: 0;
                text-align: center;
                padding: 12px 20px;
                margin-top: 4px;
                margin-bottom: 8px;
            }
        }
    

    
        .overview-wrap{
            padding: 60px 0 80px 0;
        }
        .overview-swiper{
            line-height: 1.6;
            display: grid;
            grid-template-columns: 1fr 640px;
            align-items: center;
            gap: 60px;
        }
        .overview-swiper>div{
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 24px;
        }
        .overview-swiper iframe{
            width: 100%;
            height: 360px;
        }
        .height-f7{
            height: 34px;background: #f7f7f7;
        }
        @media (max-width: 1299px) {
            .overview-swiper{
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .overview-wrap{
                padding: 40px 0;
            }
        }
    

    
        /* 独立命名空间 info- 无样式冲突 */
        .info-wrap {
          padding: 80px 0 40px 0;
        }

        /* 顶部应用场景横幅 */
        .info-scene-banner {
          background-color: #D62A29;
          background: url(/images/pro-a/bj1.png);
          padding: 60px 0;
        }

        .info-scene-row {
          display: flex;
          gap: 30px;
          flex-wrap: wrap;
        }

        .info-scene-item {
          flex: 1;
          text-align: center;
          min-width: 120px;
        }

        .info-scene-item img {
          width: 100%;
          height: 171px;
          object-fit: cover;
          display: block;
          margin-bottom: 10px;
        }

        .info-scene-name {
          color: #fff;
        }

        /* ========== 技术参数标准Table样式 ========== */
        .info-spec-table {
          width: 100%;
          border-collapse: collapse;
        }

        .info-spec-table td {
          padding: 10px 16px;
          border: none;
        }

        /* 左侧红色分类单元格 */
        .info-spec-table td.info-spec-cat {
          width: 20%;
          background: #D62A29;
          color: #fff;
          font-weight: 600;
          border-bottom: 1px solid #fff;
          text-align: center;
        }

        /* 参数名称列 */
        .info-spec-table td.info-spec-label {
          width: 45%;
          padding: 10px 0 10px 5em;
        }

        /* 参数数值列 */
        .info-spec-table td.info-spec-val {
          color: #444;
        }

        /* 奇数行浅灰底色 */
        .info-spec-table tr:nth-child(odd) td.info-spec-label,
        .info-spec-table tr:nth-child(odd) td.info-spec-val {
          background: #f7f7f7;
        }

        /* Common RFQs 问答区域 */
        .info-rfq{
            padding: 40px 0 0 0;
        }
        .info-rfq-list {
            margin-bottom: 80px;
            overflow: hidden;
        }

        .info-rfq-item {
            transition: all 0.3s ease;
            position: relative;
        }

        /* 问题行 */
        .info-rfq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 30px 40px 24px 40px;
            font-size: 20px;
            font-weight: 600;
            transition: all 0.3s ease;
            color: #000;
        }

        /* 悬停效果 */
        .info-rfq-question:hover {
            background: #fff5f5;
        }

        /* 选中/展开状态 */
        .info-rfq-question.active {
            background: #fff5f5;
            color: #D62A29;
        }

        /* 左侧红色指示条 */
        .info-rfq-question.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: #D62A29;
        }

        /* 图标 */
        .info-rfq-icon {
            font-size: 22px;
            transition: all 0.3s ease;
            flex-shrink: 0;
            margin-left: 16px;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 300;
        }

        /* 展开时图标样式 */
        .info-rfq-question.active .info-rfq-icon {
            color: #fff;
            transform: rotate(180deg);
        }

        /* 答案区域 */
        .info-rfq-answer {
            padding: 0 24px;
            color: #4D4D4D;
            line-height: 1.7;
            max-height: 0;
            overflow: hidden;
            transition: all 0.4s ease;
            opacity: 0;
        }

        /* 展开状态 */
        .info-rfq-answer.show {
            padding: 0 24px 20px;
            max-height: 500px;
            opacity: 1;
        }

        /* 第一个默认展开 */
        .info-rfq-item.show {
            background: #fff5f5;
        }
        .info-rfq-item.show .info-rfq-question {
            /*color: #D62A29;*/
        }

        .info-rfq-item.show::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: #D62A29;
            border-radius: 0 2px 2px 0;
        }

        .info-rfq-item.show .info-rfq-icon {
            transform: rotate(180deg);
        }

        .info-rfq-item.show .info-rfq-answer {
            padding: 0 40px 30px 40px;
            max-height: 500px;
            opacity: 1;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 768px) {
            .info-rfq-question {
                padding: 14px 16px;
                font-size: 14px;
            }

            .info-rfq-answer {
                padding: 0 16px;
                font-size: 13px;
            }

            .info-rfq-answer.show {
                padding: 0 16px 16px;
            }

            .info-rfq-item.show .info-rfq-answer {
                padding: 0 16px 16px;
            }

            .info-rfq-icon {
                width: 24px;
                height: 24px;
                font-size: 18px;
                margin-left: 12px;
            }
            .info-wrap{
                padding: 40px 0 0 0;
            }
        }

        @media (max-width: 480px) {

            .info-rfq-question {
                padding: 12px 12px;
            }

            .info-rfq-answer {
                padding: 0 12px;
            }

            .info-rfq-answer.show {
                padding: 0 12px 14px;
            }

            .info-rfq-item.show .info-rfq-answer {
                padding: 0 12px 14px;
            }

            .info-rfq-icon {
                width: 20px;
                height: 20px;
                font-size: 16px;
                margin-left: 10px;
            }
        }


        /* 手机端 */
        @media (max-width: 768px) {

          .info-scene-banner {
            padding: 40px 0;
          }

          .info-scene-row {
            gap: 16px;
            justify-content: center;
          }

          .info-scene-item {
            flex: 0 0 calc(33.333% - 12px);
            min-width: 80px;
          }

          .info-scene-item img {
            height: 100px;
          }

          /* 表格响应式 */
          .info-spec-table {
            display: block;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
          }

          .info-spec-table td.info-spec-label {
            padding: 8px 0 8px 1em;
          }

          .info-spec-table td {
            padding: 8px 10px;
            white-space: nowrap;
          }

          .info-spec-table td.info-spec-cat {
            padding: 8px 6px;
            min-width: 80px;
          }

          /* RFQ 响应式 */
          .info-rfq-question {
            padding: 14px 12px;
          }
          .info-rfq-list {
            /*margin-bottom: 40px;*/
            margin-bottom: 0;
          }
          .info-case-swiper{
            margin-bottom: 40px;
          }

        }

        /* 小屏手机 */
        @media (max-width: 480px) {
          .info-scene-item {
            flex: 0 0 calc(50% - 8px);
          }

          .info-scene-item img {
            height: 80px;
          }

          .info-spec-table td {
            padding: 6px 8px;
          }

          .info-spec-table td.info-spec-label {
            padding: 6px 0 6px 8px;
          }

          .info-spec-table td.info-spec-cat {
            padding: 6px 4px;
            min-width: 60px;
          }
        }

        /* 超小屏 */
        @media (max-width: 360px) {
          .info-scene-item {
            flex: 0 0 100%;
          }

          .info-scene-item img {
            height: 120px;
            max-width: 280px;
            margin: 0 auto 10px;
          }

          .info-spec-table td {
            padding: 4px 6px;
          }
        }