/* ===== 全局重置 & 基础 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html,
        body {
            width: 100%;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, sans-serif;
            color: #1a2639;
            line-height: 1.6;
            scroll-behavior: smooth;
            background: #f6f8fc;
            -webkit-text-size-adjust: 100%;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        img {
            max-width: 100%;
            display: block;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
            height: 100%;
            width: 100%;
        }

        .section-title {
            font-size: 38px;
            font-weight: 800;
            color: #0f1a2e;
            letter-spacing: 1px;
            margin-bottom: 6px;
            text-transform: uppercase;
        }

        .section-title .highlight {
            color: #e7641b;
        }

        .section-sub {
            font-size: 17px;
            color: #7a8ba3;
            font-weight: 400;
            margin-bottom: 28px;
            letter-spacing: 0.5px;
        }

        /* ===== 每个版块占满一屏 (仅用于需要全屏的版块) ===== */
        .fullscreen-section {
            width: 100%;
            height: 100vh;
            min-height: 700px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }

        .fullscreen-section .container {
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
            padding-top: 20px;
            padding-bottom: 20px;
            position: relative;
            z-index: 2;
        }

        /* ===== 1. 通屏导航 (深色背景) ===== */
        .navbar {
            width: 100%;
            background: #235eaf;
            box-shadow: 0 2px 24px rgba(35, 94, 175, 0.25);
            position: fixed;
            top: 0;
            left: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 96px;
            /* 电脑端高度 */
            display: flex;
            align-items: center;
            transition: all 0.3s;
        }

        .navbar:hover {
            background: #235eaf;
        }

        .nav-inner {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 26px;
            font-weight: 800;
            letter-spacing: 2px;
            color: #ffffff;
            flex-shrink: 0;
        }

        .nav-logo span {
            font-weight: 300;
            color: rgba(255, 255, 255, 0.6);
            font-size: 18px;
        }

        .nav-logo .logo-icon {
            width: 200px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon img {
            width: 200px;
            height: auto;
            max-height: 56px;
            object-fit: contain;
            display: block;
        }

        /* ===== 导航下拉菜单 ===== */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            font-size: 17px;
            font-weight: 600;
            color: #ffffff;
            height: 72px;
            margin: 0;
            padding: 0;
        }

        .nav-links>li {
            position: relative;
            height: 100%;
            display: flex;
            align-items: center;
            padding: 0 2px;
        }

        .nav-links>li>a {
            padding: 6px 14px;
            border-radius: 8px;
            transition: color 0.2s, background 0.2s;
            display: flex;
            align-items: center;
            gap: 4px;
            position: relative;
            white-space: nowrap;
            color: #ffffff;
            font-weight: 500;
            letter-spacing: 0.3px;
            font-size: 16px;
        }

        .nav-links>li>a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: #ffffff;
            transition: width 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            border-radius: 4px;
        }

        .nav-links>li>a:hover::after {
            width: 60%;
        }

        .nav-links>li>a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-links>li>a .arrow {
            font-size: 12px;
            margin-left: 2px;
            transition: transform 0.3s;
            color: rgba(255, 255, 255, 0.7);
        }

        .nav-links>li:hover>a .arrow {
            transform: rotate(180deg);
        }

        /* ===== 下拉菜单面板 ===== */
        .dropdown-menu {
            position: absolute;
            top: calc(100% + 4px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #ffffff;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
            border: 1px solid rgba(0, 0, 0, 0.06);
            padding: 20px 24px;
            min-width: 720px;
            max-width: 820px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
            display: flex;
            gap: 24px;
            backdrop-filter: blur(20px);
            background: rgba(255, 255, 255, 0.98);
            z-index: 100;
        }

        .nav-links>li:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        /* 下拉菜单左侧 - 分类图标列表 */
        .dropdown-left {
            flex: 0 0 160px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            border-right: 1px solid #eef3f8;
            padding-right: 16px;
        }

        .dropdown-left .cat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.25s;
            font-size: 14px;
            font-weight: 500;
            color: #2c3e50;
            border: 1px solid transparent;
        }

        .dropdown-left .cat-item:hover,
        .dropdown-left .cat-item.active {
            background: #f0f4fc;
            color: #235eaf;
            border-color: #e0e8f2;
        }

        .dropdown-left .cat-item .cat-icon {
            font-size: 20px;
            width: 28px;
            text-align: center;
            flex-shrink: 0;
        }

        .dropdown-left .cat-item .cat-label {
            font-size: 13px;
            white-space: nowrap;
        }

        /* 下拉菜单右侧 - 产品/内容列表 */
        .dropdown-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding-left: 4px;
            min-height: 200px;
        }

        .dropdown-right .right-title {
            font-size: 13px;
            font-weight: 600;
            color: #8a9cb0;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
            border-bottom: 1px solid #f0f3f8;
            padding-bottom: 6px;
        }

        .dropdown-right .product-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4px 16px;
            flex: 1;
        }

        .dropdown-right .product-list .pl-item {
            font-size: 13px;
            color: #2c3e50;
            padding: 4px 6px;
            border-radius: 6px;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .dropdown-right .product-list .pl-item:hover {
            background: #f0f4fc;
            color: #235eaf;
        }

        .dropdown-right .product-list .pl-item .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: #235eaf;
            flex-shrink: 0;
        }

        /* 实力下拉右侧 */
        .dropdown-right .strength-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .dropdown-right .strength-list .sl-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 6px 8px;
            border-radius: 8px;
            transition: all 0.2s;
        }

        .dropdown-right .strength-list .sl-item:hover {
            background: #f0f4fc;
        }

        .dropdown-right .strength-list .sl-item .sl-icon {
            font-size: 18px;
            flex-shrink: 0;
        }

        .dropdown-right .strength-list .sl-item .sl-text {
            font-size: 13px;
            color: #2c3e50;
            line-height: 1.5;
        }

        .dropdown-right .strength-list .sl-item .sl-text strong {
            color: #0f1a2e;
        }

        /* 下拉菜单底部小标签 */
        .dropdown-footer {
            margin-top: 10px;
            padding-top: 10px;
            border-top: 1px solid #f0f3f8;
            font-size: 12px;
            color: #8a9cb0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .dropdown-footer a {
            color: #235eaf;
            font-weight: 600;
        }

        .dropdown-footer a:hover {
            text-decoration: underline;
        }

        /* ===== 导航右侧 ===== */
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            background: transparent;
            border: none;
            font-size: 20px;
            cursor: pointer;
            color: #ffffff;
            transition: color 0.2s;
            padding: 4px;
        }

        .nav-search:hover {
            color: rgba(255, 255, 255, 0.7);
        }

        /* 电话号码按钮 - 橙色背景 */
        .nav-cta {
            background: #e7641b;
            color: #fff;
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            letter-spacing: 0.3px;
            box-shadow: 0 4px 16px rgba(231, 100, 27, 0.35);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: #d45a16;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(231, 100, 27, 0.45);
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 4px;
        }

        .nav-hamburger span {
            width: 28px;
            height: 2.5px;
            background: #ffffff;
            border-radius: 4px;
            transition: 0.3s;
        }

        /* ===== 2. Banner 轮播 ===== */
        .banner-section {
            width: 100%;
            height: 100vh;
            min-height: 700px;
            position: relative;
            margin-top: 72px;
            overflow: hidden;
        }

        .banner-slides {
            width: 100%;
            height: 100%;
            position: relative;
        }

        .banner-slide {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            z-index: 1;
        }

        .banner-slide.active {
            opacity: 1;
            z-index: 2;
        }

        .banner-slide::after {
            content: '';
            position: absolute;
            inset: 0;
            pointer-events: none;
        }

        .banner-content {
            position: absolute;
            z-index: 5;
            max-width: 1400px;
            width: 100%;
            padding: 0 288px;
            color: #fff;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }

        .banner-content h1 {
            font-size: 58px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: 3px;
            margin-bottom: 18px;
            text-shadow: 0 6px 30px rgba(0, 0, 0, 0.25);
            max-width: 780px;
        }

        .banner-content h1 .highlight {
            color: #e7641b;
        }

        .banner-content p {
            font-size: 22px;
            font-weight: 400;
            opacity: 0.95;
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 36px;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
        }

        .banner-btn {
            display: inline-block;
            background: #235eaf;
            color: #fff;
            padding: 16px 52px;
            border-radius: 60px;
            font-size: 18px;
            font-weight: 700;
            transition: all 0.3s;
            box-shadow: 0 8px 32px rgba(0, 154, 221, 0.35);
            letter-spacing: 0.5px;
            border: 2px solid transparent;
            pointer-events: auto;
        }

        .banner-btn:hover {
            background: #e5521e;
            border-color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 48px rgba(0, 154, 221, 0.45);
        }

        /* 轮播指示器 */
        .banner-dots {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 10;
            display: flex;
            gap: 12px;
            pointer-events: auto;
        }

        .banner-dots .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all 0.3s;
            border: 2px solid rgba(255, 255, 255, 0.2);
        }

        .banner-dots .dot.active {
            background: #fff;
            border-color: #fff;
            transform: scale(1.2);
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
        }

        .banner-dots .dot:hover {
            background: rgba(255, 255, 255, 0.8);
        }

        /* 左右箭头 */
        .banner-arrows {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            z-index: 10;
            width: 100%;
            display: flex;
            justify-content: space-between;
            padding: 0 32px;
            pointer-events: none;
        }

        .banner-arrows .arrow-btn {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            pointer-events: auto;
        }

        .banner-arrows .arrow-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: scale(1.05);
        }

        /* ===== 3. 产品展示 ===== */
        .product-section {
            background: #ffffff;
            border-top: 1px solid #f0f3f8;
            border-bottom: 1px solid #f0f3f8;
        }

        .product-section .section-title .highlight {
            color: #235eaf;
        }

        .product-section .container {
            justify-content: center;
            gap: 4px;
        }

        .product-wrapper {
            display: flex;
            gap: 32px;
            flex: 1;
            min-height: 0;
            align-items: stretch;
        }

        .product-left {
            flex: 0 0 240px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            border-right: 2px solid #f0f3f8;
            padding-right: 24px;
            gap: 4px;
        }

        .product-categories {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .product-cat {
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 600;
            color: #2c3e50;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.25s;
            border: 1px solid transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .product-cat .cat-icon {
            font-size: 18px;
        }

        .product-cat:hover,
        .product-cat.active {
            background: #f0f4fc;
            color: #235eaf;
            border-color: #e0e8f2;
            padding-left: 22px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
        }

        .product-cat.active {
            background: #235eaf;
            border-color: #235eaf;
            color: #fff;
        }

        /* ===== 优化后的 product-left-extra ===== */
        /* ===== 新版 product-left-extra 样式 ===== */
.product-left-extra {
    margin-top: 20px;
    padding: 24px 20px 20px;
    min-height: 400px; /* 满足高度 > 450px 要求 */
    background: linear-gradient(145deg, #f8faff 0%, #eef6ff 100%);
    border-radius: 16px;
    border: 1px solid #dce6f2;
    box-shadow: 0 6px 24px rgba(35, 94, 175, 0.06);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-left-extra:hover {
    box-shadow: 0 10px 36px rgba(35, 94, 175, 0.10);
    border-color: #b8cce0;
}

.extra-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    border-bottom: 2px solid rgba(35, 94, 175, 0.15);
    padding-bottom: 10px;
}

.extra-header .extra-icon {
    font-size: 28px;
}

.extra-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: #0f1a2e;
    margin: 0;
    letter-spacing: 0.5px;
}

.extra-features {
    list-style: none;
    padding: 0;
    margin: 0 0 16px 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.extra-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 6px 0;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.04);
}

.extra-features li:last-child {
    border-bottom: none;
}

.extra-features .feature-icon {
    font-size: 22px;
    flex-shrink: 0;
    margin-top: 2px;
}

.extra-features li strong {
    display: block;
    font-size: 15px;
    color: #1a2a3e;
    font-weight: 700;
}

.extra-features li p {
    font-size: 13px;
    color: #5a6e85;
    margin: 2px 0 0 0;
    line-height: 1.5;
}

.extra-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 14px;
    border-top: 2px solid rgba(35, 94, 175, 0.12);
}

.btn-consult {
    display: inline-block;
    background: #235eaf;
    color: #fff;
    padding: 10px 28px;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 700;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(35, 94, 175, 0.3);
    text-decoration: none;
    letter-spacing: 0.5px;
}

.btn-consult:hover {
    background: #1a4a8a;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(35, 94, 175, 0.4);
}

.extra-tag {
    font-size: 14px;
    color: #235eaf;
    font-weight: 600;
    background: rgba(35, 94, 175, 0.10);
    padding: 6px 18px;
    border-radius: 30px;
    border: 1px solid rgba(35, 94, 175, 0.2);
}

        /*.product-grid {
            flex: 1;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-template-rows: 1fr 1fr;
            gap: 16px;
            align-content: center;
        }

        .product-card {
            background: #fafcff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid #eef3f8;
            transition: all 0.35s;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 16px 10px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
        }

        .product-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.07);
            border-color: #235eaf;
        }

        .product-card img {
            max-height: 290px;
            width: auto;
            object-fit: contain;
            margin-bottom: 10px;
            border-radius: 6px;
        }

        .product-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: #0f1a2e;
            margin-bottom: 2px;
        }

        .product-card p {
            font-size: 13px;
            color: #6b7d94;
            line-height: 1.4;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }*/

        /* ===== 4. 公司介绍+企业优势 ===== */
        .about-section {
            background: url('https://www.chinarwd.com/images/881.jpg') center center / cover no-repeat;
            position: relative;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .about-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 20, 40, 0.75);
            pointer-events: none;
        }

        .about-section .container {
            position: relative;
            z-index: 2;
        }

        .about-section .section-title,
        .about-section .section-sub {
            color: #fff;
        }
        .about-section .section-title .highlight {
            color: #e7641b;
        }
        .about-section .section-sub {
            color: rgba(255, 255, 255, 0.8);
        }

        .about-top {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            flex: 1;
            min-height: 0;
        }

        .about-text h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .about-text h2 .highlight {
            color: #e7641b;
        }
        .about-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .about-image {
            height: 100%;
            min-height: 220px;
            background: url('https://www.chinarwd.com/images/about1.jpg') center center / cover no-repeat;
            border-radius: 20px;
            background-color: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 600;
            font-size: 20px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        .strength-bar {
            width: 100%;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            flex-shrink: 0;
            padding-top: 12px;
        }

        .strength-card {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-radius: 16px;
            padding: 20px 16px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            text-align: center;
            transition: all 0.3s;
            color: #fff;
        }

        .strength-card:hover {
            transform: translateY(-6px);
            background: rgba(255, 255, 255, 0.2);
            border-color: #e7641b;
        }

        .strength-card .icon {
            font-size: 34px;
            margin-bottom: 6px;
        }
        .strength-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .strength-card p {
            font-size: 14px;
            opacity: 0.85;
            line-height: 1.5;
            margin: 0;
        }

        /* ===== 5. 应用行业 ===== */
        .industry-section {
            background: #235eaf;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            height: 100vh;
            min-height: 700px;
            display: flex;
            flex-direction: column;
            padding: 40px 0 30px;
            overflow: hidden;
            align-items: center;
        }

        .industry-section .industry-container {
            max-width: 1400px;
            width: 100%;
            padding: 0 32px;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .industry-section .industry-header {
            flex-shrink: 0;
        }

        .industry-section .section-title,
        .industry-section .section-sub {
            color: #fff;
        }
        .industry-section .section-title .highlight {
            color: #e7641b;
        }
        .industry-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .industry-gallery-wrap {
            flex: 1;
            min-height: 500px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            padding: 10px 0;
        }

        /* ---------- 父容器：白色背景 + 间距 ---------- */
        .industry-gallery {
            display: flex;
            width: 100%;
            height: 100%;
            min-height: 700px;
            max-height: calc(100vh - 160px);
            border-radius: 20px;
            box-shadow: 0 16px 60px rgba(0, 0, 0, 0.3);
            flex: 1;
            background: #ffffff;
            gap: 12px;
            padding: 12px;
            overflow: hidden;
        }

        /* ---------- 每个图片项 ---------- */
        .industry-item {
            flex: 1;
            height: 100%;
            position: relative;
            background-size: cover;
            background-position: center;
            transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            cursor: pointer;
            background-color: #2a3a5a;
            min-height: 700px;
            border-radius: 12px;
        }

        .industry-item:last-child {
            border-right: none;
        }

        .industry-item:hover {
            flex: 0 0 55%;
            z-index: 5;
        }

        .industry-item .bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.1) 60%);
            pointer-events: none;
            border-radius: inherit;
        }

        .industry-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 35px 25px 28px;
            color: #fff;
            pointer-events: none;
            z-index: 2;
            border-radius: 0 0 12px 12px;
        }

        .industry-caption h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 4px;
            transition: font-size 0.3s;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .industry-caption p {
            font-size: 15px;
            opacity: 0.9;
            display: none;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .industry-item:hover .industry-caption h3 {
            font-size: 30px;
        }
        .industry-item:hover .industry-caption p {
            display: block;
        }

        /* ===== 6. 企业实力+生产能力 ===== */
        .capability-section {
            background: linear-gradient(145deg, #f0f4fc 0%, #ffffff 100%);
            border-top: 1px solid #eef2f8;
            border-bottom: 1px solid #eef2f8;
        }

        .capability-section .container {
            justify-content: center;
            gap: 4px;
        }

        .capability-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-template-rows: 1fr 1fr;
            gap: 20px;
            flex: 1;
            min-height: 0;
            align-content: center;
        }

        .capability-item {
            background: #fff;
            border-radius: 18px;
            overflow: hidden;
            border: 1px solid #eef3f8;
            transition: all 0.35s;
            display: flex;
            flex-direction: column;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.03);
        }

        .capability-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 56px rgba(0, 0, 0, 0.08);
            border-color: #235eaf;
        }

        .capability-item .cap-img {
            height: 55%;
            min-height: 140px;
            background: url('https://www.hsahglass.com/wp-content/uploads/2026/04/quartz-tubular-gauge-glass7.webp') center center / cover no-repeat;
            background-color: #d9e2ef;
        }

        .capability-item .cap-body {
            padding: 16px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .capability-item .cap-body h4 {
            font-size: 18px;
            font-weight: 700;
            color: #0f1a2e;
            margin-bottom: 4px;
        }

        .capability-item .cap-body p {
            font-size: 14px;
            color: #6b7d94;
            line-height: 1.6;
            margin: 0;
        }

        /* ===== 7. 新闻资讯 ===== */
        .news-section {
            background: #ffffff;
            padding: 60px 0 50px;
            border-top: 1px solid #f0f3f8;
            border-bottom: 1px solid #f0f3f8;
        }

        .news-section .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .news-wrapper {
            display: flex;
            gap: 32px;
            align-items: stretch;
        }

        .news-left {
            flex: 0 0 44%;
            display: flex;
            flex-direction: column;
        }

        .news-hot {
            background: #fafcff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid #eef3f8;
            transition: all 0.35s;
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.02);
        }

        .news-hot:hover {
            transform: translateY(-4px);
            box-shadow: 0 18px 48px rgba(0, 0, 0, 0.06);
            border-color: #d0d9e6;
        }

        .news-hot-img {
            height: 220px;
            background: url('https://www.chinarwd.com/images/shili1.jpg') center center / cover no-repeat;
            background-color: #d9e2ef;
            position: relative;
        }

        .news-hot-img .date-badge {
            position: absolute;
            bottom: 16px;
            right: 16px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
        }

        .news-hot-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-hot-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            background: #235eaf;
            padding: 2px 16px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .news-hot-title {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            color: #0f1a2e;
            margin-bottom: 8px;
        }
        .news-hot-title a:hover {
            color: #235eaf;
        }
        .news-hot-summary {
            font-size: 15px;
            line-height: 1.7;
            color: #5a6e85;
            flex: 1;
        }
        .news-hot-more {
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: #0f1a2e;
            display: flex;
            align-items: center;
            gap: 6px;
            border-top: 1px solid #edf2f8;
            padding-top: 16px;
        }
        .news-hot-more a {
            display: flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s, color 0.2s;
        }
        .news-hot-more a:hover {
            color: #235eaf;
            gap: 14px;
        }

        .news-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
            background: #f8faff;
            border-radius: 20px;
            padding: 20px 24px;
            border: 1px solid #eef3f8;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            transition: all 0.2s;
            border-radius: 10px;
            padding-left: 6px;
            padding-right: 6px;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            background: rgba(255, 255, 255, 0.6);
            padding-left: 12px;
            padding-right: 12px;
            margin-left: -6px;
            margin-right: -6px;
        }

        .news-item .item-date {
            flex: 0 0 70px;
            font-size: 13px;
            font-weight: 600;
            color: #8a9cb0;
            background: #eef3fa;
            padding: 2px 10px;
            border-radius: 20px;
            text-align: center;
            white-space: nowrap;
        }

        .news-item .item-title {
            font-size: 15px;
            font-weight: 600;
            color: #0f1a2e;
            flex: 1;
            line-height: 1.4;
        }

        .news-item .item-title a:hover {
            color: #235eaf;
        }

        .news-item .item-category {
            font-size: 12px;
            font-weight: 500;
            color: #8a9cb0;
            background: #f4f7fb;
            padding: 2px 12px;
            border-radius: 30px;
            white-space: nowrap;
        }

        /* ===== 8. 合作伙伴 ===== */
        .partner-section {
            width: 100%;
            background: #f8faff;
            padding: 60px 0 50px;
            border-top: 1px solid #eef2f8;
            border-bottom: 1px solid #eef2f8;
        }

        .partner-logos {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 32px 48px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .partner-logos .logo-placeholder {
            font-size: 18px;
            font-weight: 600;
            color: #8a9cb0;
            letter-spacing: 2px;
            padding: 10px 28px;
            background: #fff;
            border-radius: 60px;
            border: 1px solid #e6ecf3;
            transition: all 0.3s;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
        }

        .partner-logos .logo-placeholder:hover {
            border-color: #235eaf;
            color: #235eaf;
            transform: scale(1.04);
            box-shadow: 0 8px 24px rgba(0, 154, 221, 0.08);
        }

        /* ===== 9. Footer ===== */
        .footer {
            width: 100%;
            min-height: 420px;
            background: #235eaf;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-inner {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 32px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 32px;
            flex: 1;
        }

        .footer-brand h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            font-size: 14px;
            line-height: 2.4;
        }
        .footer-col ul a {
            transition: color 0.2s;
        }
        .footer-col ul a:hover {
            color: #fff;
        }

        /* 二维码列 */
        .footer-col-qr {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
        }

        .footer-col-qr h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-col-qr .qr-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }

        .footer-col-qr .qr-wrapper img {
            width: 100px;
            height: 100px;
            border-radius: 12px;
            background: #fff;
            padding: 6px;
            object-fit: contain;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col-qr .qr-wrapper span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom {
            max-width: 1400px;
            margin: 20px auto 0;
            padding: 16px 32px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 14px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .footer-bottom .footer-bottom-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .footer-bottom .footer-bottom-right .qr-mini {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-bottom .footer-bottom-right .qr-mini img {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: #fff;
            padding: 4px;
            object-fit: contain;
        }

        .footer-bottom .footer-bottom-right .qr-mini span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */

        /* 平板及以下 */
        @media (max-width: 1200px) {
            .about-top {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .product-wrapper {
                flex-direction: column;
                gap: 20px;
            }
            .product-left {
                flex: 1 1 auto;
                border-right: none;
                padding-right: 0;
                border-bottom: 2px solid #f0f3f8;
                padding-bottom: 16px;
                flex-direction: row;
                flex-wrap: wrap;
                align-items: center;
                gap: 6px;
            }
            .product-categories {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 4px;
            }
            .product-cat {
                flex: 0 0 auto;
                padding: 8px 14px;
                font-size: 14px;
            }
            .product-left-extra {
                flex: 1 1 100%;
                margin-top: 8px;
                padding: 18px 20px;
            }
            .product-left-extra p {
                font-size: 15px;
            }
            /*.product-grid {
                grid-template-columns: repeat(3, 1fr);
                grid-template-rows: 1fr 1fr;
                gap: 14px;
            }*/
            .capability-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: repeat(3, 1fr);
            }
            .strength-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-wrapper {
                flex-direction: column;
                gap: 24px;
            }
            .news-right {
                border-left: none;
                padding-left: 0;
                padding: 16px 20px;
            }
            .news-left {
                flex: 1 1 auto;
            }
            .banner-content h1 {
                font-size: 44px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr 1fr;
            }
            .industry-gallery-wrap {
                padding: 0;
            }
            .industry-gallery {
                min-height: 600px;
            }
            .industry-item {
                min-height: 600px;
            }
            .industry-section .industry-container {
                padding: 0 16px;
            }
            .fullscreen-section {
                min-height: 600px;
                height: auto;
                padding: 80px 0 60px;
            }
            .banner-section {
                min-height: 600px;
                height: 100vh;
            }
            .industry-section {
                min-height: 600px;
                height: auto;
                padding: 40px 0 30px;
            }
            .banner-content {
                padding: 0 80px;
            }
            .dropdown-menu {
                min-width: 580px;
                max-width: 680px;
            }
            .footer-col-qr {
                grid-column: span 1;
            }
        }

        /* ===== 平板 (≤992px) ===== */
        @media (max-width: 992px) {
            /* ---- 导航栏移动端适配 ---- */
            .navbar {
                height: 64px;
                /* 移动端高度减小 */
            }
            .nav-links {
                display: none;
                /* 默认隐藏 */
                flex-direction: column;
                position: absolute;
                top: 64px;
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                padding: 16px 20px 24px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
                border-radius: 0 0 16px 16px;
                gap: 6px;
                height: auto;
                align-items: stretch;
                z-index: 999;
                backdrop-filter: blur(10px);
                -webkit-backdrop-filter: blur(10px);
                border-bottom: 2px solid #235eaf;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links>li {
                height: auto;
                padding: 0;
                flex-direction: column;
                align-items: stretch;
            }
            .nav-links>li>a {
                padding: 10px 14px;
                font-size: 16px;
                color: #1a2639;
                justify-content: space-between;
                border-radius: 10px;
                white-space: normal;
            }
            .nav-links>li>a:hover {
                background: #f0f4fc;
                color: #235eaf;
            }
            .nav-links>li>a::after {
                display: none;
            }
            .nav-links>li>a .arrow {
                color: #8a9cb0;
                font-size: 14px;
                transition: transform 0.3s;
            }
            .nav-links>li>a .arrow.open {
                transform: rotate(180deg);
            }

            /* ---- 移动端下拉菜单 ---- */
            .dropdown-menu {
                position: static;
                transform: none;
                min-width: auto;
                max-width: 100%;
                padding: 12px 16px;
                box-shadow: none;
                border: 1px solid #eef3f8;
                border-radius: 12px;
                background: #f8faff;
                backdrop-filter: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                display: none;
                flex-direction: column;
                gap: 12px;
                margin: 4px 0 6px 0;
                transition: none;
            }
            .dropdown-menu.open {
                display: flex;
            }
            .dropdown-left {
                flex: 1 1 auto;
                border-right: none;
                padding-right: 0;
                border-bottom: 1px solid #eef3f8;
                padding-bottom: 10px;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 4px;
            }
            .dropdown-left .cat-item {
                padding: 6px 12px;
                font-size: 13px;
                border-radius: 8px;
            }
            .dropdown-left .cat-item .cat-icon {
                font-size: 16px;
                width: 22px;
            }
            .dropdown-left .cat-item .cat-label {
                font-size: 12px;
            }
            .dropdown-right {
                padding-left: 0;
                min-height: auto;
            }
            .dropdown-right .product-list {
                grid-template-columns: 1fr 1fr;
                gap: 2px 12px;
            }
            .dropdown-right .product-list .pl-item {
                font-size: 12px;
                padding: 3px 4px;
            }
            .dropdown-right .strength-list .sl-item {
                padding: 4px 6px;
            }
            .dropdown-right .strength-list .sl-item .sl-text {
                font-size: 12px;
            }
            .dropdown-footer {
                font-size: 11px;
                flex-wrap: wrap;
                gap: 4px;
            }

            /* ---- 导航Logo ---- */
            .nav-logo {
                font-size: 20px;
                gap: 10px;
            }
            .nav-logo .logo-icon {
                width: 160px;
                height: 44px;
            }
            .nav-logo .logo-icon img {
                width: 160px;
                max-height: 44px;
            }

            /* ---- 导航CTA ---- */
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .nav-cta-group {
                gap: 8px;
            }
            .nav-hamburger {
                display: flex;
            }

            /* ---- Banner 移动端 ---- */
            .banner-section {
                height: 60vh;
                /* 移动端高度降低 */
                min-height: 360px;
                margin-top: 64px;
            }
            .banner-content h1 {
                font-size: 32px;
            }
            .banner-content p {
                font-size: 17px;
            }
            .banner-content {
                padding: 0 40px;
            }
            .banner-arrows {
                display: none;
            }
            .banner-dots {
                bottom: 20px;
                gap: 10px;
            }
            .banner-dots .dot {
                width: 10px;
                height: 10px;
            }

            /* ---- 其他版块 ---- */
            .about-top {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .about-image {
                min-height: 160px;
            }
            /*.product-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: repeat(3, 1fr);
            }*/
            .capability-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-template-rows: repeat(3, 1fr);
                gap: 16px;
            }
            .strength-bar {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .industry-gallery {
                flex-direction: column;
                min-height: 500px;
                gap: 10px;
                border-radius: 16px;
            }
            .industry-item {
                height: 160px;
                flex: none;
                border-right: none;
                border-radius: 12px;
                min-height: 120px;
            }
            .industry-item:hover {
                flex: none;
            }
            .industry-caption p {
                display: block;
            }
            .industry-item:hover .industry-caption h3 {
                font-size: 24px;
            }
            .industry-section .industry-container {
                padding: 0 16px;
            }
            .fullscreen-section {
                min-height: 500px;
                padding: 70px 0 50px;
                height: auto;
            }
            .banner-section {
                min-height: 360px;
                height: 60vh;
            }
            .industry-section {
                min-height: 500px;
                height: auto;
                padding: 40px 0 25px;
            }
            .news-section {
                padding: 50px 0 40px;
            }
            .partner-section {
                padding: 50px 0 40px;
            }
            .news-right {
                padding: 12px 16px;
            }
            .news-item .item-date {
                flex: 0 0 60px;
                font-size: 12px;
            }
            .partner-logos {
                gap: 20px 28px;
            }
            .partner-logos .logo-placeholder {
                font-size: 15px;
                padding: 8px 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-col-qr {
                grid-column: span 2;
                flex-direction: row;
                justify-content: center;
                gap: 32px;
            }
            .footer-col-qr .qr-wrapper img {
                width: 80px;
                height: 80px;
            }
            .dropdown-menu {
                min-width: auto;
                max-width: 100%;
                padding: 12px 16px;
                flex-direction: column;
            }
            .dropdown-left {
                flex: 1 1 auto;
                border-right: none;
                padding-right: 0;
                border-bottom: 1px solid #eef3f8;
                padding-bottom: 10px;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 4px;
            }
            .dropdown-left .cat-item {
                padding: 4px 10px;
                font-size: 13px;
            }
            .dropdown-left .cat-item .cat-icon {
                font-size: 16px;
                width: 22px;
            }
            .dropdown-right .product-list {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom .footer-bottom-right .qr-mini {
                display: none;
            }
        }

        /* ===== 手机 (≤768px) ===== */
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .nav-inner {
                padding: 0 16px;
            }

            /* ---- Banner ---- */
            .banner-section {
                height: 50vh;
                min-height: 300px;
            }
            .banner-content {
                padding: 0 20px;
            }
            .banner-content h1 {
                font-size: 26px;
                letter-spacing: 1px;
            }
            .banner-content p {
                font-size: 15px;
                max-width: 100%;
            }
            .banner-btn {
                padding: 12px 28px;
                font-size: 15px;
            }
            .banner-dots {
                bottom: 14px;
                gap: 8px;
            }
            .banner-dots .dot {
                width: 8px;
                height: 8px;
            }

            /* ---- 导航 ---- */
            .navbar {
                height: 58px;
            }
            .nav-logo {
                font-size: 17px;
                gap: 8px;
            }
            .nav-logo .logo-icon {
                width: 130px;
                height: 38px;
            }
            .nav-logo .logo-icon img {
                width: 130px;
                max-height: 38px;
            }
            .nav-links {
                top: 58px;
                padding: 12px 16px 20px;
                gap: 4px;
            }
            .nav-links>li>a {
                font-size: 15px;
                padding: 8px 12px;
            }
            .nav-cta {
                padding: 6px 12px;
                font-size: 12px;
                box-shadow: 0 3px 12px rgba(231, 100, 27, 0.3);
            }
            .nav-search {
                font-size: 17px;
            }
            .nav-hamburger span {
                width: 24px;
                height: 2px;
            }

            /* ---- 其他 ---- */
            .section-title {
                font-size: 28px;
            }
            .section-sub {
                font-size: 15px;
                margin-bottom: 18px;
            }
            /*.product-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: repeat(3, 1fr);
                gap: 12px;
            }
            .product-card img {
                max-height: 70px;
            }
            .product-card h4 {
                font-size: 14px;
            }
            .product-card p {
                font-size: 12px;
            }
            .product-left-extra {
                padding: 18px 18px;
            }
            .product-left-extra p {
                font-size: 14px;
            }
            .product-left-extra .highlight-text {
                font-size: 15px;
            }*/
            .strength-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .strength-card {
                padding: 14px 12px;
            }
            .strength-card .icon {
                font-size: 28px;
            }
            .strength-card h4 {
                font-size: 16px;
            }
            .strength-card p {
                font-size: 13px;
            }
            .capability-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: repeat(3, 1fr);
                gap: 12px;
            }
            .capability-item .cap-body {
                padding: 12px 14px 16px;
            }
            .capability-item .cap-body h4 {
                font-size: 16px;
            }
            .capability-item .cap-body p {
                font-size: 13px;
            }
            .news-hot-title {
                font-size: 19px;
            }
            .news-item .item-title {
                font-size: 14px;
            }
            .news-hot-body {
                padding: 16px 18px 20px;
            }
            .news-right {
                padding: 12px 14px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .fullscreen-section {
                min-height: 420px;
                padding: 60px 0 40px;
                height: auto;
            }
            .banner-section {
                min-height: 300px;
                height: 50vh;
            }
            .industry-section {
                min-height: 420px;
                height: auto;
                padding: 30px 0 20px;
            }
            .industry-gallery {
                min-height: 400px;
                gap: 8px;
                padding: 8px;
                border-radius: 14px;
            }
            .industry-item {
                height: 130px;
                min-height: 100px;
                border-radius: 10px;
            }
            .industry-caption h3 {
                font-size: 18px;
            }
            .industry-caption p {
                font-size: 13px;
            }
            .news-section {
                padding: 40px 0 30px;
            }
            .partner-section {
                padding: 40px 0 30px;
            }
            .news-item .item-date {
                flex: 0 0 55px;
                font-size: 11px;
            }
            .news-item .item-category {
                display: none;
            }
            .about-text h2 {
                font-size: 28px;
            }
            .partner-logos {
                gap: 14px 18px;
            }
            .partner-logos .logo-placeholder {
                font-size: 13px;
                padding: 6px 14px;
            }
            .industry-section .industry-container {
                padding: 0 12px;
            }
            .industry-gallery-wrap {
                min-height: 350px;
                padding: 4px 0;
            }
            .footer-col-qr {
                grid-column: span 1;
                flex-direction: column;
                gap: 12px;
                align-items: center;
            }
            .footer-col-qr .qr-wrapper img {
                width: 80px;
                height: 80px;
            }
            .footer-bottom .footer-bottom-right .qr-mini {
                display: flex;
            }
            .dropdown-menu {
                min-width: auto;
                max-width: 100%;
                padding: 10px 12px;
                left: 0;
                transform: none;
            }
            .nav-links>li:hover .dropdown-menu {
                transform: none;
            }
            .dropdown-left {
                flex-wrap: wrap;
                gap: 3px;
                padding-bottom: 8px;
            }
            .dropdown-left .cat-item {
                padding: 3px 8px;
                font-size: 12px;
            }
            .dropdown-left .cat-item .cat-icon {
                font-size: 14px;
                width: 18px;
            }
            .dropdown-right .product-list {
                grid-template-columns: 1fr;
            }
            .dropdown-right .product-list .pl-item {
                font-size: 12px;
            }
            .banner-arrows {
                display: none;
            }
        }

        /* ===== 小屏手机 (≤480px) ===== */
        @media (max-width: 480px) {
            /* ---- Banner ---- */
            .banner-section {
                height: 40vh;
                min-height: 240px;
            }
            .banner-content h1 {
                font-size: 20px;
            }
            .banner-content p {
                font-size: 13px;
                margin-bottom: 20px;
            }
            .banner-btn {
                padding: 10px 20px;
                font-size: 13px;
            }
            .banner-dots {
                bottom: 10px;
                gap: 6px;
            }
            .banner-dots .dot {
                width: 7px;
                height: 7px;
                border-width: 1.5px;
            }

            /* ---- 导航 ---- */
            .navbar {
                height: 52px;
            }
            .nav-logo {
                font-size: 15px;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 110px;
                height: 34px;
            }
            .nav-logo .logo-icon img {
                width: 110px;
                max-height: 34px;
            }
            .nav-links {
                top: 52px;
                padding: 10px 12px 16px;
            }
            .nav-links>li>a {
                font-size: 14px;
                padding: 6px 10px;
            }
            .nav-cta {
                padding: 5px 10px;
                font-size: 11px;
                gap: 4px;
            }
            .nav-search {
                font-size: 15px;
            }
            .nav-hamburger span {
                width: 20px;
                height: 2px;
                gap: 4px;
            }

            /* ---- 其他 ---- */
            .section-title {
                font-size: 24px;
            }
            .section-sub {
                font-size: 13px;
                margin-bottom: 14px;
            }
            /*.product-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .product-card {
                padding: 12px 6px;
            }
            .product-card img {
                max-height: 60px;
            }
            .product-card h4 {
                font-size: 13px;
            }
            .product-card p {
                font-size: 11px;
            }
            .product-left-extra {
                padding: 14px 16px;
            }
            .product-left-extra p {
                font-size: 13px;
                line-height: 1.6;
            }
            .product-left-extra .highlight-text {
                font-size: 14px;
            }
            .product-left-extra .small-tag {
                font-size: 12px;
                padding: 3px 16px;
            }*/
            .strength-bar {
                grid-template-columns: 1fr 1fr;
            }
            .capability-grid {
                grid-template-columns: 1fr 1fr;
            }
            .fullscreen-section {
                min-height: 360px;
                padding: 50px 0 30px;
            }
            .banner-section {
                min-height: 240px;
                height: 40vh;
            }
            .industry-section {
                min-height: 360px;
                padding: 25px 0 15px;
            }
            .industry-gallery {
                min-height: 300px;
                gap: 6px;
                padding: 6px;
                border-radius: 12px;
            }
            .industry-item {
                height: 100px;
                min-height: 80px;
                border-radius: 8px;
            }
            .news-section {
                padding: 30px 0 20px;
            }
            .partner-section {
                padding: 30px 0 20px;
            }
            .news-hot-title {
                font-size: 17px;
            }
            .news-item .item-title {
                font-size: 13px;
            }
            .about-text h2 {
                font-size: 24px;
            }
            .about-text p {
                font-size: 14px;
            }
            .partner-logos .logo-placeholder {
                font-size: 11px;
                padding: 4px 10px;
            }
            .industry-section .industry-container {
                padding: 0 8px;
            }
            .industry-gallery-wrap {
                min-height: 280px;
                padding: 2px 0;
            }
            .banner-content {
                padding: 0 14px;
            }
            .banner-btn {
                padding: 10px 18px;
                font-size: 13px;
            }
            .footer {
                min-height: 360px;
                padding: 32px 0 16px;
            }
            .footer-inner {
                padding: 0 16px;
                gap: 20px;
            }
            .footer-bottom {
                padding: 12px 16px 0;
                font-size: 12px;
            }
            .footer-col-qr .qr-wrapper img {
                width: 64px;
                height: 64px;
            }
            .footer-bottom .footer-bottom-right .qr-mini img {
                width: 32px;
                height: 32px;
            }
            .dropdown-menu {
                min-width: auto;
                max-width: 100%;
                padding: 8px 10px;
            }
            .dropdown-left .cat-item {
                font-size: 11px;
                padding: 2px 6px;
            }
            .dropdown-left .cat-item .cat-icon {
                font-size: 12px;
                width: 16px;
            }
            .dropdown-right .product-list .pl-item {
                font-size: 11px;
                padding: 2px 4px;
            }
            .dropdown-right .right-title {
                font-size: 11px;
            }
            .banner-dots {
                bottom: 8px;
                gap: 5px;
            }
            .banner-dots .dot {
                width: 6px;
                height: 6px;
            }
            .nav-search {
                font-size: 14px;
            }
        }
        /* ===== 产品网格 ===== */
        
/* ========== 产品版块布局 ========== */
.product-wrapper {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.product-left {
    flex: 0 0 220px;
    min-width: 180px;
}

/* 右侧网格容器 —— 桌面端默认3列 */
.product-grid,
.product-group-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);   /* 固定3列，均分剩余宽度 */
    gap: 20px;
    flex: 1;                                 /* 占据剩余空间 */
    width: 100%;
}

/* ===== 产品卡片 ===== */
.product-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.product-card .product-img {
    width: 100%;
    aspect-ratio: 4 / 3;                   /* 统一图片比例 */
    background-size: cover;
    background-position: center;
    background-color: #f5f5f5;
}

.product-card h4 {
    padding: 12px 10px 16px;
    font-size: 15px;
    color: #333;
    text-align: center;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-card a {
    text-decoration: none;
    color: inherit;
    display: block;
    flex: 1;
}

/* ===== 左侧分类样式 ===== */
.product-categories {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-cat {
    padding: 12px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #f8f9fa;
    color: #555;
}

.product-cat:hover,
.product-cat.active {
    background: #1a73e8;
    color: #fff;
}

.product-cat .cat-icon {
    font-size: 18px;
}

/* ===== 移动端适配（≤768px） ===== */
@media screen and (max-width: 768px) {
    .product-wrapper {
        flex-direction: column;
        gap: 20px;
    }

    .product-left {
        flex: 0 0 auto;
        width: 100%;
        overflow-x: auto;
        display: flex;
        flex-wrap: nowrap;
        gap: 8px;
        padding-bottom: 10px;
    }

    .product-categories {
        flex-direction: row;
        flex-wrap: nowrap;
        white-space: nowrap;
    }

    .product-cat {
        display: inline-flex;
        padding: 8px 16px;
        border-radius: 20px;
        background: #f0f2f5;
        font-size: 14px;
        flex-shrink: 0;
        border: none;
    }

    .product-left-extra {
        display: none;   /* 隐藏额外信息，节省空间 */
    }

    /* 平板：显示2列 */
    .product-grid,
    .product-group-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px;
    }
}

/* ===== 手机（≤480px） ===== */
@media screen and (max-width: 480px) {
    .product-grid,
    .product-group-grid {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }
}