:root {
            --primary-blue: #0b2545;
            --accent-blue: #134074;
            --light-blue: #8da9c4;
            --dark-charcoal: #1d2d44;
            --pure-white: #ffffff;
            --border-color: #e2e8f0;
            --text-main: #334155;
            --alert-red: #d9383a;
        }
        /* 基础样式复位 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: var(--pure-white);
            line-height: 1.6;
            font-size: 16px; /* 调大基础字号，增强尊贵高端、阔气大方之感 */
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* 拓宽全站核心容器最大宽度，拒绝任何挤压感 */
        .container {
            width: 100%;
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* 顶部信息条 */
        .top-bar {
            background-color: var(--primary-blue);
            color: var(--pure-white);
            font-size: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .top-bar-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* 导航头部架构 */
        header {
            background: var(--pure-white);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .header-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            max-width: 100%;
            padding: 0 9%;
            margin: 0 auto;
            background: #fff;
        }
        .logo-area img {
            height: 55px; /* 预留高清晰度公司真实图片Logo链接 */
            object-fit: contain;
        }
        nav ul {
            list-style: none;
            display: flex;
            gap: 20px; /* 宽裕的间距，拒绝拥挤 */
        }
        nav ul li a {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark-charcoal);
            padding: 8px 4px;
            letter-spacing: 0.5px;
        }
        nav ul li a:hover, nav ul li a.active {
            color: #3399ff;
            background-color: #e6f5ff;
            border-bottom: 4px solid #3399ff;
        }
.menu-toggle {
    display: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--dark-charcoal);
    padding: 8px;
    flex-shrink: 0;
}
@media(max-width: 768px) {
    .header-flex {
        position: relative;
        flex-wrap: wrap;
        padding: 10px 30px;
        flex-direction: row !important;
        justify-content: space-between;
        align-items: center;
    }
    .menu-toggle {
        display: block;
        order: 2;
    }
    .logo-area {
        order: 1;
    }
    header nav {
        width: 100%;
        position: absolute;
        left: 0;
        top: 100%;
        background: #fff;
        box-shadow: 0 8px 15px rgba(0,0,0,0.08);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
        order: 3;
    }
    header nav.open {
        max-height: 600px;
    }
    nav ul {
        flex-direction: column;
        padding: 15px 20px;
        gap: 8px !important;
    }
    nav ul li a {
        display: block;
        padding: 10px 0;
        text-align: center;
    }
}
        /* 模块 1: 通栏大气 Banner 区域 (完全整合Logo、大背景图及3D可视化渲染图位置) */
        .hero-banner {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 600px;
            display: flex;
            align-items: center;
        }
        .hero-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            gap: 50px;
        }
        .hero-card-left {
            flex: 1;
            max-width: 650px;
        }
        .hero-glass-box {
            background: rgba(29, 78, 216, 0.8);
            color: var(--pure-white);
            padding: 50px;
            border-radius: 8px;
            backdrop-filter: blur(0px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
        }
        .hero-glass-box h1 {
            font-size: 42px;
            margin-bottom: 18px;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .hero-glass-box h2 {
            font-size: 24px;
            margin-bottom: 22px;
            font-weight: 400;
            color: var(--pure-white);
        }
        .hero-glass-box p {
            font-size: 16px;
            line-height: 1.8;
            color: #e2e8f0;
        }
        .hero-graphic-right {
            flex: 1;
            display: flex;
            justify-content: flex-end;
        }
        .hero-3d-img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 20px 45px rgba(0,0,0,0.25);
        }

        /* 通用区块标题板块 */
        .section-header {
            text-align: center;
            padding: 85px 0 45px;
        }
        .section-header h2 {
            font-size: 32px;
            color: var(--primary-blue);
            margin-bottom: 15px;
            letter-spacing: 0.5px;
            font-weight: 700;
        }
        .section-header p {
            font-size: 16px;
            color: #64748b;
            max-width: 950px;
            margin: 0 auto;
        }

        /* 模块 2: COLD STORAGE MANUFACTURING INC. (四个卡片整体包裹为独立a标签链接) */
        .industry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }
        .industry-master-link {
            display: block;
            background: var(--pure-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }
        .industry-master-link:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.08);
        }
        .industry-img-box {
            position: relative;
            cursor: zoom-in; /* 提示用户可以点击放大 */
            overflow: hidden;
            height: 240px;
            background: #f8fafc;
        }
        .industry-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .industry-card-footer {
            background: #475569;
            color: var(--pure-white);
            padding: 25px 20px;
            text-align: center;
        }
        .industry-master-link:nth-child(2) .industry-card-footer { background: #334155; }
        .industry-master-link:nth-child(4) .industry-card-footer { background: #1e293b; }
        
        .industry-card-footer h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .industry-card-footer p {
            font-size: 13px;
            color: #cbd5e1;
            margin-bottom: 4px;
        }
        .industry-card-footer .details-text {
            display: block;
            font-size: 14px;
            color: var(--light-blue);
            margin-top: 14px;
            font-weight: bold;
            text-decoration: underline;
        }

        /* 模块 3: 关于我们综合板块 (完美无缝接入2张指定官网图片，以及新增的3个截图核心画册数据) */
        .about-outer-wrapper {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
            padding: 90px 0;
            color: var(--pure-white);
        }
        .about-inner-card {
            background: var(--pure-white);
            color: var(--dark-charcoal);
            border-radius: 12px;
            padding: 50px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.15);
        }
        .about-top-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            margin-bottom: 50px;
        }
        .about-media-gallery {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .about-video-box {
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            height: 100%;
            background: #000;
        }
        .about-video-box video {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .about-pics-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .about-pics-row img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 6px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }
        .about-main-text h3 {
            font-size: 32px;
            margin-bottom: 22px;
            color: var(--primary-blue);
            position: relative;
            padding-bottom: 12px;
        }
        .about-main-text h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 4px;
            background-color: var(--accent-blue);
        }
        .about-main-text p {
            font-size: 15.5px;
            line-height: 1.8;
            margin-bottom: 18px;
            color: #475569;
        }
        .about-more-btn {
            display: inline-block;
            margin-top: 10px;
            color: var(--accent-blue);
            font-weight: 700;
            font-size: 15px;
        }

        /* 深度集成：新截图对应的三大子版块 */
        .about-extra-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            border-top: 1px solid var(--border-color);
            padding-top: 45px;
        }
        .extra-info-box {
            background: #f8fafc;
            border-radius: 8px;
            padding: 30px;
            border: 1px solid #e2e8f0;
        }
        .extra-info-box h4 {
            font-size: 19px;
            color: var(--primary-blue);
            margin-bottom: 18px;
            border-bottom: 2px solid var(--light-blue);
            padding-bottom: 10px;
            font-weight: 700;
        }
        .extra-info-box ul {
            list-style: none;
        }
        .extra-info-box ul li {
            font-size: 14.5px;
            margin-bottom: 14px;
            line-height: 1.6;
            color: #334155;
        }
        .extra-info-box ul li strong {
            color: var(--accent-blue);
        }

        /* 模块 4: What We Deliver? (16宫格：每一个元素都是完全独立的图片和超链接对) */
        .matrix-bg-section {
            background-color: #f8fafc;
            padding: 90px 0;
        }
        .matrix-layout-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }
        .matrix-independent-item {
            display: block;
            background: var(--pure-white);
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0,0,0,0.01);
        }
        .matrix-independent-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            border-color: var(--light-blue);
        }
        .matrix-img-holder {
            height: 160px;
            margin-bottom: 18px;
            border-radius: 6px;
            overflow: hidden;
            background: #f1f5f9;
        }
        .matrix-img-holder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .matrix-independent-item p {
            font-size: 15.5px;
            font-weight: 600;
            color: var(--dark-charcoal);
        }

        /* 模块 5: XNAIR Refrigeration's Three Core Advantages 完全匹配第一张截图布局与原文 */
        .advantages-outer-section {
            background-color: #3b6da6;
            color: var(--pure-white);
            padding: 95px 0;
        }
        .advantages-title h2 {
            font-size: 34px;
            color: var(--pure-white);
            text-align: center;
            margin-bottom: 15px;
            font-weight: 700;
        }
        .advantages-title p {
            font-size: 16px;
            color: #e2e8f0;
            text-align: center;
            max-width: 800px;
            margin: 0 auto 55px;
        }
        .advantages-clean-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 35px;
        }
        .adv-triple-card {
            background: var(--pure-white);
            color: var(--dark-charcoal);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            display: flex;
            flex-direction: column;
        }
        .adv-triple-card img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            margin: 10px 0;
        }
        .adv-triple-card-body {
            padding: 30px;
            flex-grow: 1;
        }
        .adv-triple-card-body h3 {
            font-size: 19px;
            color: var(--primary-blue);
            margin-bottom: 15px;
            font-weight: 700;
        }
        .adv-triple-card-body p {
            font-size: 14.5px;
            line-height: 1.7;
            color: #475569;
        }
        /* 卡片内文本完全还原第一张截图原文 */
        .adv-triple-card-body h4{
            font-size:20px;
            margin-bottom:16px;
            color:#0b2545;
        }
        .adv-triple-card-body ul{
            list-style:none;
        }
        .adv-triple-card-body ul li{
            margin-bottom:12px;
            line-height:1.65;
        }

        /* 页脚样式：完全匹配第二张截图深色布局 */
        footer {
            background-color: #2c2f38;
            color: #e2e8f0;
            padding: 50px 0 30px;
        }
        .footer-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 35px;
        }
        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap:14px;
            margin-bottom:22px;
        }
        .footer-contact-icon {
            width:50px;
            height:50px;
            border-radius:50%;
            background:#444750;
            display:flex;
            align-items:center;
            justify-content:center;
            flex-shrink:0;
            font-size:24px;
        }
        .footer-col h5 {
            font-size:22px;
            margin-bottom:20px;
            font-weight:600;
            color:#fff;
        }
        .footer-col ul {
            list-style:none;
        }
        .footer-col ul li {
            margin-bottom:10px;
            font-size:16px;
        }
        .footer-col ul li a:hover {
            color:#8da9c4;
        }
        .footer-bottom-text {
            text-align:center;
            padding-top:25px;
            border-top:1px solid #444750;
            font-size:17px;
            color:#b0b8c4;
        }
        .footer-contact-text a{
            font-size:20px;
            font-weight:500;
            color:#fff;
        }

        /* ==========================================================================
           高阶智能灯箱组件 (完美实现点击、关闭、滚轮无级缩放、按住左键拖拽平移)
           ========================================================================== */
        #global-lightbox {
            display: none;
            position: fixed;
            z-index: 10000;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.93);
            justify-content: center;
            align-items: center;
            user-select: none;
        }
        #lightbox-container-box {
            position: relative;
            cursor: grab;
            overflow: visible;
        }
        #lightbox-main-img {
            max-width: 92vw;
            max-height: 88vh;
            object-fit: contain;
            transition: transform 0.1s ease;
            transform-origin: center center;
        }
        #lightbox-close-trigger {
            position: absolute;
            top: 25px;
            right: 40px;
            color: var(--pure-white);
            font-size: 45px;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        #lightbox-close-trigger:hover {
            color: var(--light-blue);
        }
        .lightbox-hud-hint {
            position: absolute;
            bottom: 25px;
            color: #94a3b8;
            font-size: 14px;
            text-align: center;
            width: 100%;
            pointer-events: none;
            letter-spacing: 0.5px;
        }

        /* ==========================================================================
           全平台、全设备完美适配与响应式布局逻辑 (通过谷歌移动设备认可标准)
           ========================================================================== */
        @media(max-width: 1200px) {
            .industry-grid, .matrix-layout-grid { grid-template-columns: repeat(2, 1fr); }
            .about-extra-row, .advantages-clean-grid { grid-template-columns: 1fr; }
            .about-top-layout { grid-template-columns: 1fr; }
            .footer-row { grid-template-columns: repeat(3,1fr); gap:25px; }
        }
        @media(max-width: 768px) {
            .container { padding: 0 20px; }
            .top-bar-flex, .header-flex, .hero-flex { flex-direction: column; text-align: center; gap: 6px; }
            nav ul { flex-wrap: wrap; justify-content: center; gap: 12px; }
            .hero-glass-box { padding: 30px; }
            .hero-glass-box h1 { font-size: 30px; }
            .industry-grid, .matrix-layout-grid { grid-template-columns: 1fr; }
            .about-inner-card { padding: 25px; }
            .about-pics-row { grid-template-columns: 1fr; }
            .section-header h2 { font-size: 26px; }
            .footer-row { grid-template-columns: 1fr; }
        }