*{margin:0;padding:0;box-sizing:border-box}
    body{font-family:"Microsoft YaHei","微软雅黑",sans-serif;font-size:14px;color:#333;background:#fff;padding-top:118px}
    a{text-decoration:none;color:inherit}
    ul{list-style:none}

    /* ===== 顶部固定 + 浅黑遮罩 ===== */
    .site-header-fixed{
        position:fixed;top:0;left:0;right:0;z-index:1000;
        background:rgba(0,0,0,.42);
        backdrop-filter:saturate(120%) blur(6px);
        -webkit-backdrop-filter:saturate(120%) blur(6px);
        box-shadow:0 1px 8px rgba(0,0,0,.18)
    }
    .top-bar{
        background:transparent;
        padding:12px 0;
        border-bottom:1px solid rgba(255,255,255,.12);
    }
    .top-inner{
        width:1500px;max-width:96%;
        margin:0 auto;
        text-align:left;
    }
    .title-inner{
        display:inline-block;
        background:rgba(255,255,255,.96);
        padding:10px 18px;
        border:1px solid rgba(255,255,255,.35);
        min-width:280px;
    }
    .title-box{
        margin:0;
        background:transparent !important;
        padding:0 !important;
        font-size:24px;
        font-weight:700;
        color:#c0392b !important;
        letter-spacing:.04em;
        line-height:1.35;
        text-shadow:none;
    }

    .nav-bar{background:transparent;border-bottom:none;width:100%}
    .nav-list{
        width:1500px;max-width:96%;margin:0 auto;height:46px;
        display:flex !important;flex-direction:row !important;
        align-items:center;justify-content:center;flex-wrap:nowrap;
    }
    .nav-list li{display:inline-block;margin:0 22px;float:none}
    .nav-list a{
        display:inline-block;height:46px;line-height:46px;
        font-size:15px;color:rgba(255,255,255,.92);border-bottom:2px solid transparent;white-space:nowrap
    }
    .nav-list a:hover,.nav-list a.active{color:#fff;border-bottom-color:#c0392b}

    .banner-wrap{background:#fff;padding:16px 0 20px}
    .banner{
        position:relative;width:1500px;max-width:96%;margin:0 auto;
        overflow:hidden;background:transparent !important;border-radius:4px
    }
    .banner.has-img{height:480px}
    .banner .slide{position:absolute;inset:0;opacity:0;transition:opacity .45s}
    .banner .slide.on{opacity:1;z-index:1}
    .banner .slide img{width:100%;height:100%;object-fit:cover;display:block;vertical-align:top}
    .banner .arrow{
        position:absolute;right:16px;top:50%;transform:translateY(-50%);z-index:5;
        width:42px;height:42px;border:none;border-radius:50%;
        background:rgba(0,0,0,.4);color:#fff;font-size:28px;cursor:pointer
    }
    .banner .dots{position:absolute;left:0;right:0;bottom:16px;z-index:5;text-align:center}
    .banner .dots i{display:inline-block;width:10px;height:10px;margin:0 5px;border-radius:50%;background:#fff;cursor:pointer}
    .banner .dots i.on{background:#c0392b}

    /* ===== 产品中心 ===== */
    .product-center{
        background:#f5f5f5;
        padding:40px 0 50px;
    }
    .product-center-inner{
        width:1500px;max-width:96%;margin:0 auto;
    }
    .product-center-head{text-align:center;margin-bottom:28px}
    .product-center-head h2{
        font-size:28px;font-weight:700;color:#333;margin:0 0 6px;letter-spacing:.08em
    }
    .product-center-head p{
        margin:0;font-size:13px;color:#999;letter-spacing:.2em
    }
    .product-grid{
        display:flex;flex-wrap:wrap;gap:24px;justify-content:center
    }
    .product-card{
        position:relative;width:460px;max-width:100%;
        background:#fff;overflow:hidden;display:block;color:inherit
    }
    .product-card:hover .name{color:#c0392b}
    .product-card .pic{
        display:block;width:100%;height:300px;object-fit:cover;background:#eaeaea
    }
    .product-card .name{
        position:absolute;left:50%;bottom:18px;transform:translateX(-50%);
        width:82%;max-width:380px;
        background:#fff;color:#222;text-align:center;
        padding:14px 16px;font-size:20px;font-weight:600;line-height:1.4;
        white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
        box-shadow:0 2px 8px rgba(0,0,0,.08)
    }

    /* ===== 客户案例（复用产品数据，深色底标题条） ===== */
    .case-center{background:#fff;padding:40px 0 50px}
    .case-center-inner{width:1500px;max-width:96%;margin:0 auto}
    .case-center-head{text-align:center;margin-bottom:28px}
    .case-center-head h2{font-size:28px;font-weight:700;color:#333;margin:0 0 6px;letter-spacing:.08em}
    .case-center-head p{margin:0;font-size:13px;color:#999;letter-spacing:.2em}
    .case-grid{display:flex;flex-wrap:wrap;gap:24px;justify-content:center}
    .case-card{position:relative;width:460px;max-width:100%;display:block;overflow:hidden;background:#eaeaea}
    .case-card .pic{display:block;width:100%;height:300px;object-fit:cover}
    .case-card .name{
        position:absolute;left:0;right:0;bottom:0;
        background:rgba(0,0,0,.55);color:#fff;text-align:center;
        padding:12px 14px;font-size:15px;line-height:1.4;
        white-space:nowrap;overflow:hidden;text-overflow:ellipsis
    }
    .case-card:hover .name{background:rgba(0,0,0,.68)}

    /* ===== 关于我们 ===== */
    .about-section{background:#f0f0f0;padding:36px 0 44px}
    .about-inner{width:1500px;max-width:96%;margin:0 auto}
    .about-box{
        background:#fff;padding:36px 48px;min-height:80px;
        box-shadow:0 1px 0 rgba(0,0,0,.04)
    }
    .about-body{font-size:15px;line-height:2;color:#333;word-break:break-word}
    .about-body p{margin:0 0 14px}
    .about-body p:last-child{margin-bottom:0}
    .about-body img{max-width:100%;height:auto}
    .about-body strong{font-weight:700}

    /* ===== 底部信息（页面最底部深色区） ===== */
    .site-footer{background:#2b2d31;color:#fff;padding:32px 16px 36px;margin-top:0}
    .site-footer-inner{width:1500px;max-width:96%;margin:0 auto;text-align:center}
    .site-footer-body{
        font-size:13px;line-height:1.95;color:#fff;word-break:break-word;text-align:center
    }
    .site-footer-body p{margin:0 0 8px;color:#fff}
    .site-footer-body p:last-child{margin-bottom:0}
    .site-footer-body a{color:inherit;text-decoration:none}
    .site-footer-body img{max-width:100%;height:auto}
    .site-footer-time{margin-top:12px;font-size:12px;color:rgba(255,255,255,.85)}

    /* ===== 联系我们五栏 ===== */
    .contact-bar{background:#f5f5f5;padding:0;border-top:1px solid #eee}
    .contact-bar-inner{
        width:1500px;max-width:96%;margin:0 auto;background:#fff;
        display:flex;border:1px solid #e8e8e8;border-bottom:none
    }
    .contact-item{
        flex:1;min-width:0;text-align:center;padding:28px 12px 24px;
        border-right:1px solid #eee;display:flex;flex-direction:column;align-items:center;justify-content:flex-start
    }
    .contact-item:last-child{border-right:none}
    .contact-ico{
        width:56px;height:56px;border:1px solid #ddd;border-radius:50%;
        display:flex;align-items:center;justify-content:center;margin-bottom:14px;
        overflow:hidden;background:#fff;box-sizing:border-box
    }
    .contact-ico img{width:28px;height:28px;object-fit:contain;display:block}
    .contact-txt{font-size:14px;color:#333;line-height:1.55;word-break:break-word}
    .contact-txt .city-hl{color:#2ecc71;font-weight:600}

    /* ===== 六大优势 ===== */
    .advantages{background:#f5f5f5;padding:40px 0 50px}
    .advantages-inner{width:1500px;max-width:96%;margin:0 auto}
    .adv-layout{display:flex;gap:20px;align-items:stretch}
    .adv-left{width:360px;flex-shrink:0;background:#fff;border:1px solid #e8e8e8;display:flex;flex-direction:column;overflow:hidden}
    .adv-left-head{color:#fff;padding:36px 20px;text-align:center;min-height:140px;display:flex;flex-direction:column;justify-content:center}
    .adv-left-head h2{margin:0 0 14px;font-size:26px;font-weight:700;letter-spacing:.08em;line-height:1.35;color:#fff}
    .adv-left-head p{margin:0;font-size:14px;line-height:1.65;color:#fff;opacity:.95}
    .adv-left-body{padding:16px 18px 20px;font-size:14px;line-height:1.85;color:#444;flex:1;background:#fff}
    .adv-left-body img{max-width:100%;height:auto}
    .adv-left-body p{margin:0 0 10px}
    .adv-right{flex:1;min-width:0;display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .adv-card{
        background:#fff;border:1px solid #e5e5e5;padding:22px 18px 20px;
        text-align:center;display:flex;flex-direction:column;align-items:center
    }
    .adv-card .icon-row{
        width:100%;display:flex;align-items:center;justify-content:center;margin-bottom:14px
    }
    .adv-card .icon-row::before,.adv-card .icon-row::after{
        content:"";flex:1;height:1px;background:#1a3a6b;max-width:70px
    }
    .adv-card .icon-box{
        width:52px;height:52px;margin:0 12px;background:transparent;
        display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden
    }
    .adv-card .icon-box img{width:40px;height:40px;object-fit:contain}
    .adv-card .icon-box .icon-fallback{color:#1a3a6b;font-size:22px;font-weight:700;line-height:1}
    .adv-card h3{margin:0 0 10px;font-size:16px;font-weight:700;color:#222;line-height:1.4}
    .adv-card p{margin:0;font-size:13px;color:#888;line-height:1.7}

    @media (max-width:768px){
        body{padding-top:108px}
        .title-inner{padding:8px 12px;min-width:0;max-width:100%}
        .title-box{font-size:18px !important}
        .nav-list{height:auto;flex-wrap:wrap;padding:4px 0}
        .nav-list li{margin:0 10px}
        .nav-list a{height:34px;line-height:34px;font-size:13px}
        .banner.has-img{height:240px}
        .banner-wrap{padding:10px 0}
        .product-center{padding:28px 0}
        .product-center-head h2{font-size:22px}
        .product-card{width:100%}
        .product-card .pic{height:220px}
        .product-card .name{font-size:17px;bottom:12px;white-space:normal}
        .case-center{padding:28px 0}
        .case-center-head h2{font-size:22px}
        .case-card{width:100%}
        .case-card .pic{height:220px}
        .case-card .name{font-size:14px;white-space:normal}
        .about-box{padding:22px 18px}
        .about-body{font-size:14px;line-height:1.9}
        .contact-bar-inner{flex-wrap:wrap}
        .contact-item{flex:1 1 45%;border-bottom:1px solid #eee;min-width:140px}
        .adv-layout{flex-direction:column}
        .adv-left{width:100%}
        .adv-right{grid-template-columns:1fr}
        .advantages{padding:28px 0}
    }
    @media (max-width:1100px) and (min-width:769px){
        .adv-left{width:300px}
        .adv-card h3{font-size:15px}
    }