body{
            background: #fff;
            color: #4D4D4D;
        }
        .form26-outer{
            background: linear-gradient(to bottom, #fff 80%, #D62A29 20%) !important;
        }
        .form26-inner {
            box-shadow: 0px 0px 40px 0px rgba(0,0,0,0.08);
        }
        .banner{
            background: url(/images/banner/about-ban.png) no-repeat center center;
            height: 660px;
        }
        @media (max-width: 768px) {
            .banner{
                background: url(/images/banner/mob/about.jpg) no-repeat center center;
            }   
        }
        .partners-section{
            text-align: center;
            padding: 0 0 80px;
        }
        .partners-grid {
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            margin: 60px 0 0 0;
            gap: 20px;
        }

        .partner-logo {
            width: 240px;
        }

        .partner-logo:nth-child(n+6):nth-child(-n+11) {
            width: calc(16.666% - 17px);
        }

        .partner-logo img {
            width: 100%;
            height: auto;
            display: block;
            background: #fff;
        }

        /* 平板小于1499px 一行4列 */
        @media (max-width: 1499px) {
            .partners-grid {
                gap: 20px;
            }
            .partner-logo {
                width: calc(25% - 20px) !important;
            }
            .partner-logo:nth-child(n+6):nth-child(-n+11) {
                width: calc(25% - 20px) !important;
            }
        }

        /* 手机端：一行3列，间距10px */
        @media (max-width: 768px) {
            .partners-grid {
                gap: 10px;
                margin: 20px 0 0 0;
            }
            .partner-logo {
                width: calc(33.333% - 10px) !important;
            }
            /* 覆盖原有6-11号特殊宽度 */
            .partner-logo:nth-child(n+6):nth-child(-n+11) {
                width: calc(33.333% - 10px) !important;
            }
        }

    /* 左右分栏主体 */
    .about-row{
        display:grid;
        grid-template-columns: 1fr 680px;
        gap:80px;
        align-items:stretch;
        margin-bottom:80px;
    }
    /* 左侧文字区 */
    .about-left{
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .about-left h1{
        font-size:48px;
        color: #000;
        font-weight: bold;
    }
    .about-desc{
        line-height:1.7;
    }
    /* 数据统计网格 */
    .data-grid{
        display:grid;
        grid-template-columns: repeat(3,1fr);
        gap:30px;
        margin-bottom:30px;
    }
    .data-item{
        text-align: center;
    }
    .data-item .num{
        font-size:32px;
        color:#D62A29;
        font-weight:bold;
        position: relative;
    }
    .data-item .num p {
        display: inline-block;
    }
    .data-item .num span {
        font-size: 16px;
        font-weight: 400;
        position: absolute;
        top: 0;
        color: #4D4D4D;
        margin-left: 5px;
    }
    .data-item .text{
    }
    .data-item.single{
        grid-column:1/-1;
    }

    /* 右侧YouTube视频容器 - 改为封面展示 */
    .video-box{
        position:relative;
        width:100%;
        aspect-ratio:16/9;
        overflow:hidden;
        height: 640px;
        cursor:pointer;
    }
    .video-box .video-cover{
        width:100%;
        height:100%;
        object-fit:cover;
        display:block;
        transition: transform 0.3s ease;
    }
    .video-box:hover .video-cover{
        transform:scale(1.02);
    }
    .video-box-m{
        display: none;
    }

    /* 自定义播放按钮 - 悬浮在封面中央 */
    .custom-play-box{
        position:absolute;
        bottom:0;
        left:0;
        width:80px;
        height:80px;
        background-color: rgba(214, 42, 41, 0.6);
        display:flex;
        justify-content: center;
        align-items: center;
        z-index:2;
        pointer-events:none;
        transition: all 0.3s ease;
    }
    .custom-play-btn{
        width:60px;
        height:60px;
        border-radius:50%;
        background:#fff;
        display:flex;
        align-items:center;
        justify-content:center;
        position:relative;
        transition: transform 0.2s ease;
        transform: scale(0.75);
        pointer-events:none;
    }
    .custom-play-btn::after{
        content:"";
        width:0;
        height:0;
        border-top:8.5px solid transparent;
        border-bottom:8.5px solid transparent;
        border-left:18px solid #000;
        margin-left:3px;
    }
    .video-box:hover .custom-play-btn{
        transform:scale(0.88);
    }

    /* ===== 弹窗模态框 ===== */
    .video-modal-overlay{
        display:none;
        position:fixed;
        top:0;
        left:0;
        width:100%;
        height:100%;
        background:rgba(0,0,0,0.75);
        z-index:9999;
        justify-content:center;
        align-items:center;
        backdrop-filter:blur(4px);
        animation:fadeIn 0.3s ease;
    }
    .video-modal-overlay.active{
        display:flex;
    }
    .video-modal-box{
        position:relative;
        width:90%;
        max-width:1000px;
        aspect-ratio:16/9;
        background:#000;
        border-radius:12px;
        overflow:hidden;
        box-shadow:0 20px 60px rgba(0,0,0,0.6);
        animation:scaleIn 0.35s ease;
    }
    .video-modal-box iframe{
        width:100%;
        height:100%;
        border:none;
        display:block;
    }
    /* 关闭按钮 */
    .video-modal-close{
        position:absolute;
        top:-44px;
        right:0;
        width:40px;
        height:40px;
        background:transparent;
        border:none;
        color:#fff;
        font-size:32px;
        cursor:pointer;
        transition:transform 0.2s ease;
        line-height:40px;
        text-align:center;
        opacity:0.8;
        z-index:10;
    }
    .video-modal-close:hover{
        transform:rotate(90deg);
        opacity:1;
    }

    @keyframes fadeIn{
        from{opacity:0;} to{opacity:1;}
    }
    @keyframes scaleIn{
        from{transform:scale(0.85); opacity:0;} to{transform:scale(1); opacity:1;}
    }

    /* 底部红色标语通栏 */
    .bottom-banner{
        width:120%;
        height: 80px;
        background:#D62A29;
        padding:0 30px;
        display:flex;
        align-items:center;
        justify-content:space-between;
    }
    .bottom-banner h2{
        color:#fff;
        font-size:32px;
        font-weight:bold;
        letter-spacing:1px;
    }

    /* 响应式适配 */
    @media(max-width:1320px){
        .about-row{
            grid-template-columns:1fr;
            gap: 0;
            margin-bottom: 40px;
        }
        .data-grid{
            grid-template-columns: repeat(2,1fr);
            margin: 30px 0;
        }
        .video-box{
            height:auto;
        }
        .bottom-banner{
            width: 100%;
        }
    }
    @media(max-width:768px){
        .about-left h1{
            font-size:28px;
            text-align: center;
            margin-bottom: 14px;
        }
        .data-item .num{
            font-size:20px;
        }
        .bottom-banner h2{
            font-size:22px;
        }
        .video-modal-box{
            width:95%;
        }
        .video-modal-close{
            top:-40px;
            right:4px;
            font-size:28px;
        }

        .bottom-banner,.custom-play-box{
            display: none;
        }
        .video-box-m{
            display: block;
        }
    }

    /* ========== 第一块 Vision & Mission 背景板块 ========== */
    .vision-mission-wrap {
        width: 100%;
        background: url(/images/about/bj2.png) center/cover no-repeat;
        padding: 80px 0;
        text-align: center;
        color: #fff;
    }
    .vision-title {
        font-size: 44px;
        margin-bottom: 40px;
    }
    .three-card-row {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 70px;
    }
    .vision-card {
        border: 1px solid rgba(255,255,255,0.6);
        padding: 36px 52px;
    }
    /* 图标容器（简易线条图标占位，可替换svg） */
    .card-icon {
        height: 80px;
        margin: 0 auto 38px;
        position: relative;
    }
    .card-h3 {
        font-size: 24px;
        margin-bottom: 10px;
    }
    .card-desc {
        line-height: 1.6;
        opacity: 0.95;
    }

    /* ===== Vision Card 悬停效果 ===== */
    .vision-card {
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .vision-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 12px 40px rgba(0,0,0,0.15);
        backdrop-filter: blur(2px);
    }

    /* card-icon 左右摇摆 */
    .vision-card .card-icon {
        transition: transform 0.4s ease;
        display: block;
    }

    .vision-card:hover .card-icon {
        animation: iconWiggle 0.6s ease forwards;
    }

    @keyframes iconWiggle {
        0% { transform: rotate(0deg); }
        25% { transform: rotate(-12deg) scale(1.05); }
        50% { transform: rotate(12deg) scale(1.08); }
        75% { transform: rotate(-6deg) scale(1.05); }
        100% { transform: rotate(0deg) scale(1.05); }
    }

    /* ========== 第二块 Certification 证书板块 ========== */
    .cert-wrap {
        padding: 80px 0;
        text-align: center;
    }
    .cert-main-title {
        font-size: 44px;
        color: #000;
        margin-bottom: 16px;
        font-weight: bold;
    }
    .cert-sub-desc {
        color: #555;
        margin-bottom: 45px;
        line-height: 1.6;
    }
    .cert-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 80px;
    }
    .cert-item {
        text-align: center;
    }
    .cert-img-box {
        border: 1px solid #CCCCCC;
        background: #fff;
        padding: 13px;
        margin-bottom: 14px;
    }
    .cert-img-box img {
        width: 100%;
        display: block;
    }
    .cert-label {
        font-weight: bold;
    }

    /* ========== 响应式适配 ========== */
    @media (max-width: 1200px) {
        .cert-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }
    /* 中小平板：愿景改为2栏 */
    @media (max-width: 900px) {
        .three-card-row {
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .vision-mission-wrap {
            padding: 40px;
            background: url(/images/about/bj3.png) center/cover no-repeat;
            background-position: 70% center;
        }
        .vision-card{
            padding: 30px 10px 10px 10px;
        }
    }
    /* 手机端：全部单列 */
    @media (max-width: 768px) {
        .three-card-row {
            grid-template-columns: 1fr;
        }
        .cert-grid {
            gap: 20px;
        }
        .vision-title {
            font-size: 30px;
            margin-bottom: 20px;
        }
        .cert-main-title {
            font-size: 28px;
        }
        .cert-wrap{
            padding: 40px 0;
        }
        .cert-sub-desc{
            margin-bottom: 20px;
        }
        .partners-section{
            padding: 0 0 40px;
        }
    }