* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "微软雅黑", arial， Inter, system-ui, sans-serif;
        }
        :root {
            --primary: #165DFF;
            --secondary: #0F3E99;
            --dark: #0B2A66;
            --light: #F5F8FF;
            --accent: #FFB547;
            --gray-text: #666;
            --gray-border: #eee;
        }
        body {
            color: #333;
            background-color: #fff;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* 导航 */
        header {
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 99;
            background: #fff;
            backdrop-filter: blur(6px);
            box-shadow: 0 1px 4px rgba(0,0,0,0.08);
        }
        .nav-wrap {
            height: 80px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: #222;
            font-size: 20px;
            font-weight: bold;
        }
        .logo img {
            height: 56px;
            width: auto;
            max-width: 100%;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
        }
        .nav-menu {
            display: flex;
            gap: 32px;
        }
        .nav-menu a {
            text-decoration: none;
            color: #444;
            transition: color 0.25s;
        }
        .nav-menu a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-menu a:hover {
            color: var(--primary);
        }
        /* 移动端汉堡菜单按钮（桌面端隐藏） */
        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 0;
            background: none;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            -webkit-tap-highlight-color: transparent;
        }
        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            border-radius: 2px;
            background: #333;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .menu-toggle.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        .nav-actions {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .btn {
            padding: 12px 24px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            font-size: 16px;
            transition: all 0.25s;
            text-decoration: none;
            background: #00b3ba;
            color: #fff;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(22,93,255,0.2);
        }
        .btn-primary:hover {
            background-color: #0e52ee;
        }
        .btn-white {
            background-color: #fff;
            color: var(--primary);
        }
        .btn-white:hover {
            background-color: #f3f4f6;
        }
        .btn-transparent {
            background: rgba(255,255,255,0.1);
            color: #fff;
            border: 1px solid #fff;
        }
        .btn-transparent:hover {
            background: rgba(255,255,255,0.2);
        }
        .link-text {
            color: #444;
            text-decoration: none;
        }
        .link-text:hover {
            color: var(--primary);
        }
        /* Banner */
        .banner {
            margin-top: 80px;
            padding: 80px 0;
            background: url(../image/wmbg2.jpg) no-repeat center center;
            background-size: cover;
            color: #fff;
            overflow: hidden;
        }
        .banner-wrap {
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            gap: 48px;
            align-items: center;
        }
        .banner h1 {
            font-size: clamp(24px,4vw,32px);
            margin-bottom: 24px;
        }
        .banner p {
            color: #dbeafe;
            font-size: 17px;
            line-height: 2;
            max-width: 640px;
            margin-bottom: 32px;
            text-align: justify;
        }
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap:16px;
            margin-bottom:32px;
        }
        .tag {
            padding:8px 16px;
            background:rgba(255,255,255,0.2);
            border-radius:8px;
            font-size:14px;
        }
        .banner-buttons {
            display:flex;
            gap:16px;
            flex-wrap:wrap;
        }
        .banner-card {
            position:relative;
        }
        .bg-blur-1 {
            position:absolute;
            width:280px;
            height:280px;
            background: rgba(255,181,71,0.2);
            border-radius:50%;
            top:-40px;
            right:-40px;
            filter:blur(48px);
        }
        .bg-blur-2 {
            position:absolute;
            width:280px;
            height:280px;
            background: rgba(22,93,255,0.3);
            border-radius:50%;
            bottom:-40px;
            left:-40px;
            filter:blur(48px);
        }
        .inner-card {
            position:relative;
            background:rgba(255,255,255,0.15);
            backdrop-filter: blur(8px);
            border:1px solid rgba(255,255,255,0.2);
            border-radius:20px;
            padding:16px;
            box-shadow:0 10px 30px rgba(0,0,0,0.15);
        }
        /* 窗口标题栏（三色圆点） */
        .window-bar {
            display: flex;
            gap: 8px;
            margin-bottom: 16px;
        }
        .win-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            box-shadow: 0 1px 2px rgba(0,0,0,0.15);
        }
        .win-red    { background: #ff5f57; }
        .win-yellow { background: #febc2e; }
        .win-green  { background: #28c840; }

        /* Banner 视频自适应卡片宽度 */
        .inner-card video {
            display: block;
            width: 100%;
            height: auto;
            border-radius: 12px;
            object-fit: cover;
            background: #000;
        }
        .grid-2 {
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:16px;
        }
        .mini-card {
            background:rgba(255,255,255,0.2);
            border-radius:12px;
            padding:24px 16px;
            text-align:center;
        }
        .mini-card i {
            font-size:36px;
            color:var(--accent);
            margin-bottom:12px;
            display:block;
        }
        .mini-card h4 {
            margin-bottom:6px;
        }
        .mini-card p {
            font-size:14px;
            color:#dbeafe;
            margin:0;
            text-align: center;
        }
        /* 通用板块 */
    
        .grid-2-col {
            display:grid;
            grid-template-columns: repeat(2,1fr);
            gap:32px;
        }
        .card-item {
            background:#fff;
            border:1px solid var(--gray-border);
            border-radius:16px;
            padding:32px;
            box-shadow:0 4px 12px rgba(0,0,0,0.06);
            transition:0.3s ease;
        }
        .card-item:hover {
            box-shadow:0 12px 24px rgba(0,0,0,0.1);
            transform: translateY(-4px);
        }
        .card-icon {
            width:64px;
            height:64px;
            border-radius:12px;
            background:rgba(22,93,255,0.1);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:24px;
            color:var(--primary);
            margin-bottom:24px;
            transition:0.3s;
        }
        .card-item:hover .card-icon {
            background:var(--primary);
            color:#fff;
        }
        .card-item h3 {
            font-size:24px;
            margin-bottom:16px;
        }
        .card-item p {
            color:var(--gray-text);
            line-height:1.7;
            margin-bottom:24px;
        }
        .feature-list {
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:12px;
            margin-bottom:24px;
        }
        .feature-item {
            display:flex;
            align-items:center;
            gap:8px;
            color:#444;
        }
        .link-more {
            color:var(--primary);
            text-decoration:none;
            font-weight:500;
            display:inline-flex;
            align-items:center;
            gap:8px;
        }
        .link-more:hover {
            gap:12px;
        }
       /* 通用板块 */
    .section {
        padding: 40px 0 20px 0;
    }
    .section-title {
        text-align: center;
        font-size: 38px;
        font-weight: 700;
        margin-bottom: 14px;
    }
    .section-subtitle {
        text-align: center;
        font-size: 17px;
        color: var(--gray-text);
        margin-bottom: 56px;
    }
    /* 产品 */
    .product-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .product-card {
        background: radial-gradient(32.02% 7.43% at 0% 0%, rgba(135, 177, 255, 0.1), rgba(135, 177, 255, 0)), radial-gradient(104.24% 16.02% at 0% 0%, rgba(187, 147, 246, 0.1), rgba(147, 149, 246, 0.03) 67.31%, rgba(147, 149, 246, 0)), rgb(245, 248, 252);
        border: 1px solid var(--gray-border);
        border-radius: 20px;
        padding: 40px;
        box-shadow: 0 10px 30px rgba(22, 93, 255, 0.08);
        transition: transform 0.3s, box-shadow 0.3s;
    }
    .product-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 20px 40px rgba(22, 93, 255, 0.14);
    }
    .product-card h3 {
        font-size: 26px;
        margin-bottom: 16px;
    }
    /* 产品卡片 a标签美化 */
.product-card a {
   color: #0a0b1a;
   text-decoration: none;
}

/* hover交互效果 */
.product-card a:hover {
    color: #0F3E99;
}

/* 核心产品"了解产品"胶囊按钮（浅蓝白渐变底 + 蓝紫渐变边框） */
.product-card > a {
    display: block;
    text-align: center;
}
.product-card .btn-pill {
    display: inline-block;
    font-size: 14px;
    font-weight: normal;
    color: #111827;
    border: 1px solid transparent;
    background:
        linear-gradient(180deg, #f2f7ff 0%, #ffffff 100%) padding-box,
        linear-gradient(135deg, #165dff, #8b5cff) border-box;
    border-radius: 999px;
    padding: 7px 17px;
    line-height: 1.4;
    text-decoration: none;
    box-shadow: 0 1px 3px rgba(51, 119, 255, 0.12);
    transition: all 0.25s;
}
.product-card .btn-pill:hover {
    background:
        linear-gradient(180deg, #e9f2ff 0%, #ffffff 100%) padding-box,
        linear-gradient(135deg, #2f6dff, #9a6bff) border-box;
    box-shadow: 0 4px 14px rgba(51, 119, 255, 0.22);
}
.product-card .btn-pill-arrow {
    display: inline-block;
    transition: transform 0.25s ease;
}
.product-card .btn-pill:hover .btn-pill-arrow {
    transform: translateX(5px);
}

    .product-card p {
        color: #4B5563;
        line-height: 2.2;
        margin-bottom: 24px;
    }
    .feature-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        margin-bottom: 28px;
    }
    .feature-item {
        display: flex;
        align-items: center;
        gap: 8px;
        color: #374151;
        font-size: 15px;
    }
    .feature-item::before {
        content: "✓";
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: #E6F0FF;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
    }
    .product-visual {
        width: 100%;
        height: auto;
        border-radius: 14px;
        background: #1E3A8A;
        margin-bottom: 28px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #FFFFFF;
    }
    .product-visual img{width: 100%;}
    .product-visual.blue-dark {
        background: linear-gradient(135deg, #1E40AF, #3B82F6);
    }
    .product-visual.dark {
        background: linear-gradient(135deg, #0F172A, #1E293B);
    }
    .product-card .btn-teal {
        display: block;
        width: fit-content;
        margin: 0 auto;
        color: #ffffff !important; /* 按钮文字强制白色 */
    }
    .product-card .btn-teal:hover {
        color: #ffffff !important; /* hover 保持白色 */
    }
    /* 深色科技区 */
    .network-section {
        padding: 80px 0;
        height: auto;
        background:
            radial-gradient(circle at 20% 30%, rgba(22, 93, 255, 0.35), transparent 45%),
            radial-gradient(circle at 80% 70%, rgba(0, 184, 212, 0.25), transparent 45%),
            linear-gradient(135deg, #0B1A4A 0%, #0B2A66 50%, #0F3E99 100%);
        position: relative;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .lcbox{opacity: 0.5;}
    .network-section::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image:
            linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
        background-size: 40px 40px;
        pointer-events: none;
    }
    .network-text {
        position: relative;
        z-index: 2;
        text-align: center;
        color: #FFFFFF;
    }
    .network-text h2 {
        font-size: 36px;
        margin-bottom: 14px;
    }
    .network-text p {
        font-size: 16px;
        color: #BFDBFE;
        max-width: 640px;
        margin: 0 auto;
        line-height: 1.75;
    }
    /* 资质 */
    .cert-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        margin-bottom: 64px;
    }
    .cert-card {
        background: #FFFFFF;
        border: 1px solid var(--gray-border);
        border-radius: 18px;
        padding: 28px 24px;
        text-align: center;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    }
    .cert-icon {
        width: 72px;
        height: 72px;
        border-radius: 50%;
        margin: 0 auto 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 30px;
    }
    .cert-icon.red {
        background: #FEF2F2;
        color: #DC2626;
    }
    .cert-icon.blue {
        background: #EFF6FF;
        color: #2563EB;
    }
    .cert-icon.yellow {
        background: #FFFBEB;
        color: #D97706;
    }
    .cert-card h4 {
        font-size: 18px;
        margin-bottom: 10px;
    }
    .cert-card p {
        color: var(--gray-text);
        font-size: 14px;
        line-height: 1.65;
        margin-bottom: 18px;
    }
    .cert-box {
        width: 100%;
        height: auto;
        border-radius: 10px;
        border: 1px dashed #CBD5E1;
        background: #F8FAFC;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #64748B;
        font-size: 14px;
    }
    .cert-box img{width: 100%; height: 100%;}
    /* 数据 */
    .data-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .data-card {
        background: #F5F8FF;
        border-radius: 16px;
        padding: 32px 20px;
        text-align: center;
        transition: transform 0.3s, box-shadow 0.3s;
    }
    .data-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 28px rgba(22, 93, 255, 0.12);
    }
    .data-num {
        font-size: 40px;
        font-weight: 700;
        color: var(--secondary);
        margin-bottom: 10px;
    }
    .data-label {
        color: #4B5563;
        font-size: 16px;
    }
    /* 页脚 */
    footer {
        background: #0a0b1a;
        color: #FFFFFF;
        padding: 72px 0 40px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 48px;
    }
    .footer-about .logo {
        color: #FFFFFF;
        margin-bottom: 16px;
    }
    .footer-about p {
        color: #cccccc;
        line-height: 1.75;
        margin-bottom: 10px;
        font-size: 14px;
    }
    footer h5 {
        font-size: 18px;
        margin-bottom: 22px;
        color: #FFFFFF;
    }
    footer ul {
        list-style: none;
    }
    footer ul li {
        margin-bottom: 12px;
    }
    footer ul li a {
        color: #797979;
        text-decoration: none;
        font-size: 14px;
        transition: color 0.25s;
    }
    footer ul li a:hover {
        color: #FFFFFF;
    }
    .contact-info li {
        color: #BFDBFE;
        font-size: 14px;
        margin-bottom: 12px;
    }
    .qr-box {
        width: 130px;
        height: 130px;
        background: #FFFFFF;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #334155;
        font-size: 13px;
        text-align: center;
        padding: 10px;
    }
    .qr-box img{
        width: 100%;
        height:100%;
    object-fit:cover;
    }
    .qr-desc {
    font-size: 14px;
    margin: 0;
    margin-top: 10px;
}
    .copyright {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding-top: 28px;
        text-align: center;
        color: #cccccc;
        font-size: 14px;
    }
    .footer-tel-box {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 14px 0;
}
.tel-icon {
    width: 40px;
    height: 40px;
    background: #e8ebeb;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 24px;
    color: #333;
}
.tel-label {
    font-size: 14px;
    margin: 0 0 4px;
}
.tel-num {
    font-size: 22px;
    color: #fff;
    font-weight: 500;
    margin: 0 0 6px;
}
    /* 响应式 */
    @media (max-width: 992px) {
        .banner-wrap,
        .product-grid,
        .cert-grid,
        .footer-grid {
            grid-template-columns: 1fr;
        }
        /* 移动端导航：汉堡按钮 + 下拉面板 */
        .menu-toggle {
            display: flex;
        }
        .nav-wrap {
            height: 64px;
        }
        .nav-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            flex-direction: column;
            gap: 0;
            background: #fff;
            padding: 6px 24px 14px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
            border-top: 1px solid #f0f2f5;
        }
        .nav-menu.open {
            display: flex;
        }
        .nav-menu a {
            display: block;
            padding: 15px 4px;
            font-size: 16px;
            border-bottom: 1px solid #f0f2f5;
        }
        .nav-menu a:last-child {
            border-bottom: none;
        }
        .banner {
            margin-top: 64px;
        }
        .banner h1 {
            font-size: 34px;
        }
        .data-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .network-text h2 {
            font-size: 28px;
        }
    }
    /* ===== 移动端（≤768px） ===== */
    @media (max-width: 768px) {
        .container {
            padding: 0 16px;
        }
        .nav-wrap {
            height: 56px;
        }
        .banner {
            margin-top: 56px;
            padding: 44px 0;
        }
        .banner-wrap {
            gap: 32px;
        }
        .banner h1 {
            font-size: clamp(24px, 6.8vw, 30px);
            margin-bottom: 18px;
        }
        .banner p {
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 24px;
            text-align: left;
        }
        .tag-group {
            gap: 10px;
            margin-bottom: 24px;
        }
        .tag {
            padding: 6px 12px;
            font-size: 13px;
        }
        .inner-card {
            padding: 18px 14px;
            border-radius: 16px;
        }
        .grid-2 {
            gap: 10px;
        }
        .mini-card {
            padding: 16px 8px;
            border-radius: 10px;
        }
        .mini-card i {
            font-size: 28px;
            margin-bottom: 8px;
        }
        .mini-card h4 {
            font-size: 14px;
        }
        .mini-card p {
            font-size: 12px;
        }
        .section {
            padding: 56px 0;
        }
        .section-title {
            font-size: 26px;
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 36px;
        }
        .product-grid {
            gap: 24px;
        }
        .product-card {
            padding: 24px 20px;
            border-radius: 16px;
        }
        .product-card h3 {
            font-size: 21px;
            margin-bottom: 12px;
        }
        .product-card p {
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .feature-list {
            gap: 10px;
            margin-bottom: 22px;
        }
        .feature-item {
            font-size: 13.5px;
            gap: 6px;
        }
        .product-card .btn-teal {
            width: 100%;
            text-align: center;
        }
        .btn {
            padding: 11px 20px;
            font-size: 15px;
        }
        .network-section {
            padding: 56px 0;
            overflow: hidden;
        }
        .network-text {
            padding: 0 16px;
            max-width: 100%;
            box-sizing: border-box;
        }
        .logo img {
            height: 36px;
        }
        .network-text h2 {
            font-size: 22px;
            line-height: 1.4;
            padding: 0 8px;
        }
        .network-text p {
            font-size: 14.5px;
            padding: 0 8px;
            word-break: break-word;
        }
        .lcbox {
            width: 100%;
            max-width: 100%;
            height: auto;
            display: block;
            margin: 20px auto 0;
        }
        .data-card {
            padding: 20px 12px;
            border-radius: 14px;
        }
        .data-num {
            font-size: 28px;
            margin-bottom: 6px;
        }
        .data-label {
            font-size: 14px;
        }
        footer {
            padding: 48px 0 24px;
        }
        .footer-grid {
            gap: 28px;
            margin-bottom: 32px;
        }
        .footer-grid > div {
            text-align: left;
        }
        .qr-box {
            margin: 0 auto;
        }
        .qr-desc {
            text-align: center;
        }
        .copyright {
            font-size: 12.5px;
            line-height: 1.8;
            padding-top: 20px;
        }
    }
    /* 基础防护 */
    body {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    /* ===== 企业资质 中心突出证书轮播（参考图：层叠扇形效果） ===== */
    .cert-carousel {
        position: relative;
        width: 100%;
        height: 520px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 20px 0 10px;
        perspective: 1600px;
        perspective-origin: 50% 50%;
        overflow: hidden;
    }
    .cert-stage {
        position: relative;
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        transform-style: preserve-3d;
    }
    .cert-frame {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 320px;
        height: 440px;
        border-radius: 4px;
        overflow: hidden;
        background: #fff;
        border: 8px solid #7a2e2e;
        box-shadow:
            0 10px 30px rgba(0, 0, 0, 0.28),
            inset 0 0 0 1px rgba(0, 0, 0, 0.08);
        transition: transform 0.6s cubic-bezier(0.33, 1, 0.68, 1),
                    opacity 0.6s ease;
        will-change: transform, opacity;
        transform-origin: center center;
        backface-visibility: hidden;
        opacity: 0;
    }
    .cert-frame img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }
    .cert-arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: #fff;
        border: 1px solid #e2e8f0;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        font-size: 36px;
        line-height: 1;
        color: #94a3b8;
        cursor: pointer;
        z-index: 999;
        transition: all 0.25s;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: Arial, sans-serif;
        padding-bottom: 4px;
    }
    .cert-arrow:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }
    #certPrev { left: 20px; }
    #certNext { right: 20px; }
    .cert-current-title {
        text-align: center;
        color: #475569;
        font-size: 16px;
        margin: 10px auto 40px;
        min-height: 24px;
        max-width: 600px;
        padding: 0 16px;
    }
    @media (max-width: 992px) {
        .cert-carousel { height: 300px; }
        .cert-frame { width: 180px; height: 250px; border-width: 6px; }
        .cert-arrow { width: 44px; height: 44px; font-size: 26px; }
        #certPrev { left: 10px; }
        #certNext { right: 10px; }
    }
    @media (max-width: 768px) {
        .cert-carousel { height: 240px; margin: 10px 0; }
        .cert-frame { width: 140px; height: 194px; border-width: 5px; }
        .cert-arrow { width: 36px; height: 36px; font-size: 20px; }
        #certPrev { left: 4px; }
        #certNext { right: 4px; }
        .cert-current-title {
            font-size: 14px;
            line-height: 1.5;
            margin: 8px auto 24px;
            padding: 0 16px;
        }
    }
/*===== 活动资讯 一行3列 + 左右滑动查看（参考样式：深色日期+蓝色标题+圆形箭头） =====*/
#news {
    background: #f6f7f7;
}
.news-scroll {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% - 48px) / 3); /* 桌面3列：2个24px间距 */
    gap: 24px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 6px;
    margin: 0 -6px; /* 抵消padding，贴边滚动 */
    scrollbar-width: none;          /* Firefox 隐藏滚动条 */
    -ms-overflow-style: none;       /* IE/Edge */
    cursor: grab;
}
.news-scroll.dragging { cursor: grabbing; }
.news-scroll::-webkit-scrollbar { display: none; }
.news-card {
    background: #fff;
    border: none;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}
.news-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px rgba(51, 119, 255, 0.12);
}
.news-card-link {
    display: block;
    text-decoration: none;
}
.news-card-date {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 14px;
}
.news-day {
    font-size: 32px;
    font-weight: 400;
    color: #999;
    line-height: 1;
}
.news-month {
    font-size: 15px;
    color: #9aa3af;
}
.news-card-title {
    font-size: 18px;
    font-weight: 700;
    color: #0a0b1a;
    line-height: 1.45;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 52px;
}
.news-card-desc {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.news-card-img {
    width: 100%;
    height: 150px;
    border-radius: 8px;
    overflow: hidden;
}
.news-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.news-card:hover .news-card-img img { transform: scale(1.05); }

/* 每张卡片左下角的圆形箭头按钮 */
.news-more {
    width: 44px;
    height: 44px;
    margin-top: 18px;
    border-radius: 50%;
    border: 1px solid #d8dee7;
    background: #fff;
    color: #9aa3af;
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    align-self: flex-start;
    transition: all 0.25s;
}
.news-more:hover {
    background: #3377ff;
    border-color: #3377ff;
    color: #fff;
    box-shadow: 0 6px 16px rgba(51, 119, 255, 0.3);
}

/* 底部左右查看更多按钮 */
.news-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
}
.news-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid #d8dee7;
    background: #fff;
    color: #9aa3af;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s;
}
.news-btn:hover {
    background: #3377ff;
    border-color: #3377ff;
    color: #fff;
    box-shadow: 0 6px 16px rgba(51, 119, 255, 0.3);
}
.news-btn.disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}
/*响应式适配*/
@media (max-width: 1200px) {
    .news-scroll {
        grid-auto-columns: calc((100% - 24px) / 2); /* 2列：1个24px间距 */
    }
}
@media (max-width:768px) {
    .news-scroll {
        grid-auto-columns: 88%; /* 手机：一屏约1.1张，可滑动 */
    }
    .news-day { font-size: 40px; }
    .news-card-img { height: 170px; }
    .news-more { width: 40px; height: 40px; }
}
/* ========== 联系我们模块（新版，无冲突） ========== */
/* ========== 联系我们模块｜两个事业部卡片 ========== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 40px auto 0;
}
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}
.contact-card {
    background: #f5f6f7;
    padding: 32px 28px;
    border-radius: 16px;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.contact-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}
.contact-card-title {
    font-size: 20px;
    font-weight: 600;
    color: #222;
    margin: 0 0 12px 0;
}
.contact-card-line {
    width: 48px;
    height: 3px;
    background: var(--primary);
    margin-bottom: 24px;
}
.contact-card-body {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.contact-card-text {
    flex: 1;
    min-width: 0;
}
.contact-card-text p {
    font-size: 15px;
    color: #555;
    line-height: 1.8;
    margin: 0 0 8px 0;
}
.contact-card-qr {
    flex-shrink: 0;
    width: 110px;
    height: 110px;
    background: #fff;
    padding: 4px;
    border-radius: 4px;
}
.contact-card-qr img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}