/* index.html —— 由内联样式抽出 */
*{box-sizing:border-box;margin:0;padding:0}
  :root{
    --brand:#1A6BFF;
    --brand-ink:#0B1D3A;
    --brand-ink-2:#12254A;
    --bg:#FFFFFF;
    --bg-soft:#F5F7FA;
    --ink:#1F2329;
    --ink-2:#5A6069;
    --line:#E5E8EC;
    --radius:8px;
  }
  html{scroll-behavior:smooth}
  body{
    font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
    background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer}
  img{display:block;max-width:100%}
  .container{max-width:1180px;margin:0 auto;padding:0 24px}

  /* ===== 顶部导航 ===== */
  .nav{
    position:sticky;top:0;z-index:100;
    background:rgba(255,255,255,.66);
    -webkit-backdrop-filter:blur(14px) saturate(1.4);
    backdrop-filter:blur(14px) saturate(1.4);
    border-bottom:1px solid rgba(216,224,240,.55);
    box-shadow:0 1px 10px rgba(16,36,74,.06);
    transition:background .3s,border-color .3s,box-shadow .3s;
  }
  .nav.scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(16,36,74,.08)}
  .nav-inner{
    max-width:none;margin:0;padding:0 44px;height:60px;
    display:flex;align-items:center;gap:20px;
  }
  .nav-logo{display:flex;align-items:center;gap:8px;flex-shrink:0}
  .nav-logo-mark{
    width:32px;height:32px;border-radius:var(--radius);
    background:linear-gradient(135deg,#2E7CFF,#1552CC);
    display:flex;align-items:center;justify-content:center;color:#fff;
  }
  .nav-logo-mark svg{width:20px;height:20px}
  .nav-logo-name{font-size:18px;font-weight:700;letter-spacing:.5px}
  .nav-logo-sub{font-size:10px;color:var(--ink-2);margin-top:-2px}
  .nav-links{display:flex;align-items:center;gap:18px;margin-left:0}
  .nav-links a,.nav-item>a{font-size:14px;color:var(--ink);transition:color .2s;display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
  .nav-links a:hover,.nav-item>a:hover{color:var(--brand)}
  .nav-item{position:relative}
  .nav-item:hover::after{content:"";position:absolute;left:-6px;right:-6px;top:100%;height:24px}
  .caret{width:12px;height:12px;opacity:.55;transition:transform .2s}
  .nav-item:hover .caret{transform:rotate(180deg);opacity:1}
  .dropdown{
    position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:180px;
    background:#fff;border:1px solid var(--line);border-radius:8px;
    box-shadow:0 14px 36px rgba(10,30,70,.12);padding:8px;display:none;z-index:120;margin-top:12px;
  }
  .dropdown::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
  .nav-item:hover .dropdown{display:block}
  .dropdown a{
    display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:6px;
    font-size:13.5px;color:var(--ink-2);transition:all .15s;
  }
  .dropdown a:hover{background:#F2F6FF;color:var(--brand)}
  .dropdown.mega{min-width:640px;left:0;transform:none;padding:16px;display:none}
  .nav-item:hover .dropdown.mega{display:flex}
  .mega{display:flex;gap:16px}
  .mega-cats{width:148px;flex-shrink:0;border-right:1px solid var(--line);padding-right:12px;display:flex;flex-direction:column;gap:4px}
  .mega-cats a{padding:9px 12px;border-radius:6px;font-size:13.5px;color:var(--ink-2);display:block}
  .mega-cats a:hover,.mega-cats a.active{background:#F2F6FF;color:var(--brand);font-weight:600}
  .mega-grid{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:start}
  .mega-card{border:1px solid var(--line);border-radius:8px;padding:12px;transition:all .15s;display:block}
  .mega-card:hover{border-color:#C9D8F2;background:#F7FAFF}
  .mega-name{font-size:14px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:6px}
  .mega-tag{font-size:10px;padding:2px 6px;border-radius:3px;background:#FF6A3D;color:#fff;font-weight:600;letter-spacing:.5px}
  .mega-tag.new{background:#2E7CFF}
  .mega-card p{font-size:12px;color:var(--ink-2);margin-top:6px;line-height:1.6}
  .nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:6px;
    height:40px;padding:0 20px;border-radius:6px;font-size:14px;font-weight:500;
    border:1px solid transparent;transition:all .2s;white-space:nowrap;
  }
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:#1558D6}
  .btn-light{background:#fff;color:var(--brand-ink);font-weight:700}
  .btn-light:hover{background:#F0F5FF}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
  .btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08)}
  .nav-toggle{display:none;width:44px;height:44px;border:none;background:none;flex-direction:column;align-items:center;justify-content:center;gap:5px}
  .nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:all .25s}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  /* ===== Hero ===== */
  /* ===== Hero 轮播 ===== */
  .hero{background:#fff}
  .hero-slider{position:relative;overflow:hidden;margin-top:-64px}
  .hero-slide{position:relative;display:none;height:600px}
  .hero-slide.active{display:block}
  .hero-slide img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
  .hero-copy{position:absolute;left:9%;top:50%;transform:translateY(-50%);max-width:560px}
  .hero-kicker{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--brand);font-weight:600;letter-spacing:2px}
  .hero-kicker::before{content:"";width:22px;height:2px;background:var(--brand)}
  .hero-copy h1{font-size:42px;line-height:1.25;font-weight:900;letter-spacing:1px;color:var(--ink);margin-top:14px}
  .hero-copy h1 .accent{color:var(--brand)}
  .hero-sub{margin-top:18px;font-size:15.5px;color:var(--ink-2);max-width:520px;line-height:1.8}
  .hero-cta{margin-top:28px;display:flex;gap:16px;flex-wrap:wrap}
  .hero-arrow{
    position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:44px;height:44px;border-radius:50%;
    border:1px solid rgba(140,150,170,.5);background:rgba(255,255,255,.88);color:#5A6472;font-size:22px;line-height:1;
    display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;
  }
  .hero-arrow:hover{background:#fff;border-color:var(--brand);color:var(--brand)}
  .hero-arrow.prev{left:18px}
  .hero-arrow.next{right:18px}
  .hero-dots{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;gap:8px;z-index:5}
  .hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(120,130,150,.35);transition:all .2s;cursor:pointer;padding:0}
  .hero-dot.active{width:24px;border-radius:4px;background:var(--brand)}
  .hero-feature-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .hero-features{display:flex;justify-content:center;gap:56px;padding:18px 0;flex-wrap:wrap}
  .hero-feature{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2)}
  .hero-feature svg{width:18px;height:18px;color:var(--brand)}

  /* ===== 通用 section ===== */
  .section{padding:84px 0}
  .section-soft{background:var(--bg-soft)}
  .section-head{max-width:640px;margin:0 auto 52px;text-align:center}
  .section-title{font-size:30px;font-weight:700;color:var(--ink)}
  .section-sub{margin-top:14px;font-size:15px;color:var(--ink-2);line-height:1.8}

  /* ===== 产品与服务 ===== */
  .prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .prod-card{
    background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px 24px;
    transition:all .25s;display:flex;flex-direction:column;
  }
  .prod-card:hover{box-shadow:0 12px 32px rgba(16,36,74,.08);border-color:#C9D8F2;transform:translateY(-3px)}
  .prod-icon{
    width:48px;height:48px;border-radius:10px;background:#EFF5FF;color:var(--brand);
    display:flex;align-items:center;justify-content:center;margin-bottom:20px;
  }
  .prod-icon svg{width:24px;height:24px}
  .prod-card h3{font-size:17px;font-weight:700}
  .prod-card p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.7;flex:1}
  .prod-link{
    margin-top:20px;font-size:14px;color:var(--brand);font-weight:500;
    display:inline-flex;align-items:center;gap:6px;
  }
  .prod-link svg{width:15px;height:15px;transition:transform .2s}
  .prod-card:hover .prod-link svg{transform:translateX(3px)}

  /* ===== 应用场景 ===== */
  .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .scene-card{
    background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 24px;
    display:flex;gap:16px;align-items:flex-start;transition:all .25s;
  }
  .scene-card:hover{box-shadow:0 12px 32px rgba(16,36,74,.08);border-color:#C9D8F2}
  .scene-icon{
    width:44px;height:44px;border-radius:10px;background:#F2F4F7;color:#3A4554;
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
  }
  .scene-icon svg{width:22px;height:22px}
  .scene-card h3{font-size:16px;font-weight:700}
  .scene-card p{margin-top:6px;font-size:13.5px;color:var(--ink-2);line-height:1.7}

  /* ===== 为什么选择我们 ===== */
  .why-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
  .why-list{display:flex;flex-direction:column;gap:32px}
  .why-item{display:flex;gap:18px}
  .why-item-icon{
    width:46px;height:46px;border-radius:10px;background:#EFF5FF;color:var(--brand);
    display:flex;align-items:center;justify-content:center;flex-shrink:0;
  }
  .why-item-icon svg{width:22px;height:22px}
  .why-item h3{font-size:17px;font-weight:700}
  .why-item p{margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.7}

  .console-wrap{position:relative}
  .console{
    border:1px solid var(--line);border-radius:12px;background:#fff;
    box-shadow:0 24px 60px rgba(16,36,74,.10);overflow:hidden;
  }
  .console-bar{
    display:flex;align-items:center;gap:6px;padding:12px 16px;
    border-bottom:1px solid var(--line);background:#FAFBFC;
  }
  .console-bar i{width:10px;height:10px;border-radius:50%}
  .console-bar i:nth-child(1){background:#F2B8B5}
  .console-bar i:nth-child(2){background:#F5D9A8}
  .console-bar i:nth-child(3){background:#B7E0C2}
  .console-title{margin-left:8px;font-size:12.5px;color:var(--ink-2)}
  .console-body{padding:22px}
  .kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
  .kpi{background:var(--bg-soft);border-radius:8px;padding:14px 16px}
  .kpi-label{font-size:12px;color:var(--ink-2)}
  .kpi-value{margin-top:4px;font-size:20px;font-weight:700;color:var(--ink)}
  .kpi-value small{font-size:12px;font-weight:500;color:var(--ink-2)}
  .chart-row{margin-top:18px;display:grid;grid-template-columns:1.4fr 1fr;gap:14px}
  .chart-box{background:var(--bg-soft);border-radius:8px;padding:14px 16px}
  .chart-box .chart-label{font-size:12px;color:var(--ink-2);margin-bottom:12px}
  .bars{display:flex;align-items:flex-end;gap:6px;height:72px}
  .bars span{flex:1;background:#C9D8F2;border-radius:3px}
  .bars span:nth-child(1){height:42%}
  .bars span:nth-child(2){height:58%}
  .bars span:nth-child(3){height:48%}
  .bars span:nth-child(4){height:74%}
  .bars span:nth-child(5){height:62%}
  .bars span:nth-child(6){height:88%}
  .bars span:nth-child(7){height:72%}
  .donut{width:72px;height:72px;margin:0 auto;border-radius:50%;background:conic-gradient(var(--brand) 0 72%,#DDE5F0 72% 100%);position:relative}
  .donut::after{content:"";position:absolute;inset:11px;background:#fff;border-radius:50%}
  .donut-tag{text-align:center;margin-top:8px;font-size:12.5px;color:var(--ink-2)}
  .badge{
    position:absolute;right:-14px;bottom:-18px;background:var(--brand);color:#fff;
    border-radius:8px;padding:12px 16px;box-shadow:0 12px 28px rgba(26,107,255,.32);
  }
  .badge b{display:block;font-size:22px;font-weight:900;line-height:1.1}
  .badge span{font-size:12px;color:#DCE8FF}

  /* ===== 套餐与价格 ===== */
  .price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:stretch}
  .price-card{
    background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px 24px;
    display:flex;flex-direction:column;transition:all .25s;position:relative;
  }
  .price-card:hover{box-shadow:0 14px 36px rgba(16,36,74,.10);transform:translateY(-3px)}
  .price-card.hot{border-color:var(--brand);box-shadow:0 14px 36px rgba(26,107,255,.14)}
  .price-tag{
    position:absolute;top:-12px;left:24px;background:var(--brand);color:#fff;
    font-size:12px;padding:3px 12px;border-radius:20px;font-weight:500;
  }
  .price-card h3{font-size:17px;font-weight:700}
  .price-card .desc{margin-top:6px;font-size:13px;color:var(--ink-2)}
  .price-note{margin-top:16px;font-size:14px;color:var(--brand);font-weight:700}
  .price-note span{font-size:20px}
  .price-unit{font-size:12px;color:var(--ink-2);font-weight:500}
  .price-specs{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:10px;flex:1}
  .price-specs li{list-style:none;font-size:13.5px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start}
  .price-specs li svg{width:15px;height:15px;color:var(--brand);flex-shrink:0;margin-top:3px}
  .price-card .btn{margin-top:24px;width:100%}
  .price-foot{text-align:center;margin-top:36px;font-size:13.5px;color:var(--ink-2)}
  .hidden{display:none!important}
  /* ===== 资讯公告 ===== */
  .news-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
  .news-tabs button{
    height:36px;padding:0 16px;border:1px solid var(--line);background:#fff;border-radius:20px;
    font-size:13.5px;color:var(--ink-2);transition:all .2s;
  }
  .news-tabs button:hover{border-color:var(--brand);color:var(--brand)}
  .news-tabs button.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:500}
  .news-wrap{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start}
  .news-list{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
  .news-item{
    display:flex;align-items:center;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line);
    transition:background .15s;
  }
  .news-item:last-child{border-bottom:none}
  .news-item:hover{background:var(--bg-soft)}
  .news-cat{
    flex-shrink:0;font-size:12px;padding:3px 10px;border-radius:4px;
    background:#EFF5FF;color:var(--brand);font-weight:500;
  }
  .news-cat.c-orange{background:#FDF3E4;color:#D9820B}
  .news-cat.c-green{background:#EEF7F0;color:#2E8B57}
  .news-title{
    flex:1;font-size:15px;font-weight:500;color:var(--ink);min-width:0;
    overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  }
  .news-item:hover .news-title{color:var(--brand)}
  .news-read{flex-shrink:0;font-size:12.5px;color:var(--ink-2);display:flex;align-items:center;gap:5px}
  .news-read svg{width:14px;height:14px}
  .news-date{flex-shrink:0;font-size:12.5px;color:var(--ink-2)}
  .news-side{display:flex;flex-direction:column;gap:20px}
  .news-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px}
  .news-card h4{font-size:15px;font-weight:700;margin-bottom:14px}
  .hot-list{display:flex;flex-direction:column;gap:12px}
  .hot-item{
    font-size:13.5px;color:var(--ink);display:flex;justify-content:space-between;gap:10px;
    align-items:baseline;
  }
  .hot-item:hover{color:var(--brand)}
  .hot-item span{color:var(--ink-2);font-size:12px;flex-shrink:0}
  .cat-stat{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--ink-2)}
  .cat-stat div{display:flex;justify-content:space-between}
  .cat-stat b{color:var(--ink);font-weight:600}

  /* ===== 购物车按钮 ===== */
  .cart-btn{
    position:relative;width:44px;height:44px;border:none;background:none;border-radius:8px;
    display:flex;align-items:center;justify-content:center;color:var(--ink);
  }
  .cart-btn:hover{background:var(--bg-soft)}
  .cart-btn svg{width:22px;height:22px}
  .cart-badge{
    position:absolute;top:2px;right:0;min-width:18px;height:18px;padding:0 5px;
    border-radius:10px;background:#F04142;color:#fff;font-size:11px;font-weight:700;
    display:flex;align-items:center;justify-content:center;line-height:1;
  }
  .cart-badge.zero{display:none}
  /* ===== 产品选购页 ===== */
  .shop-hero{
    background:linear-gradient(135deg,#EEF4FF 0%,#F7FAFF 55%,#FFFFFF 100%);
    border-bottom:1px solid var(--line);
  }
  .shop-hero-inner{padding:52px 24px 40px}
  .shop-hero h1{font-size:28px;font-weight:700;color:var(--ink)}
  .shop-hero p{margin-top:10px;font-size:14.5px;color:var(--ink-2)}
  .shop-tabs{
    display:flex;gap:10px;flex-wrap:wrap;justify-content:center;
    margin-bottom:24px;
  }
  .shop-tabs button{
    height:auto;padding:8px 18px;border:1px solid var(--line);border-radius:999px;background:#fff;
    font-size:14px;color:var(--ink-2);transition:all .2s;
  }
  .shop-tabs button:hover{border-color:var(--brand);color:var(--brand)}
  .shop-tabs button.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
  .shop-main{padding:40px 0 72px}
  .shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .s-card{
    background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;
    display:flex;flex-direction:column;transition:all .22s;
  }
  .s-card:hover{box-shadow:0 14px 36px rgba(16,36,74,.10);border-color:#C9D8F2;transform:translateY(-2px)}
  .s-head{display:flex;align-items:center;justify-content:space-between}
  .s-name{font-size:15.5px;font-weight:700;display:flex;align-items:center}
  .s-name .tag{
    margin-left:8px;background:var(--brand);color:#fff;font-size:11px;font-weight:500;
    padding:1px 8px;border-radius:20px;
  }
  .s-id{font-size:12px;color:var(--ink-2);background:var(--bg-soft);padding:2px 8px;border-radius:4px}
  .s-config{margin-top:14px;padding:12px 0;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:8px}
  .s-config div{display:flex;font-size:13px}
  .s-config b{color:var(--ink-2);font-weight:400;width:44px;flex-shrink:0}
  .s-config span{color:var(--ink);font-weight:500}
  .s-price{margin-top:8px;display:flex;align-items:baseline;gap:4px}
  .s-price .cur{font-size:22px;font-weight:900;color:var(--brand)}
  .s-price .per{font-size:13px;color:var(--ink-2)}
  .period{margin-top:12px;display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
  .period button{
    height:34px;border:1px solid var(--line);background:#fff;border-radius:6px;
    font-size:12.5px;color:var(--ink-2);transition:all .15s;
  }
  .period button:hover{border-color:var(--brand);color:var(--brand)}
  .period button.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:500}
  .s-actions{margin-top:14px;display:flex;gap:8px}
  .s-actions .btn{flex:1;height:38px;padding:0;font-size:13.5px}
  .cart-add-btn{
    width:38px;height:38px;flex-shrink:0;border:1px solid var(--line);border-radius:6px;
    background:#fff;color:var(--brand);display:flex;align-items:center;justify-content:center;
  }
  .cart-add-btn svg{width:18px;height:18px}
  .cart-add-btn:hover{border-color:var(--brand);background:#EFF5FF}
  .shop-note{text-align:center;margin-top:32px;font-size:13px;color:var(--ink-2)}
  /* ===== 选购页（与用户后台购买页同款卡片） ===== */
  .buy-banner{display:flex;align-items:center;justify-content:space-between;gap:16px;background:linear-gradient(135deg,#3B82F6,#2563EB);color:#fff;border-radius:12px;padding:18px 22px;margin-bottom:20px}
  .buy-banner .bb-title{font-size:15px;font-weight:600}
  .buy-banner .bb-text{font-size:12px;opacity:.92;margin-top:3px;line-height:1.6}
  .buy-banner .bb-btn{background:rgba(255,255,255,.18);color:#fff;border:none;padding:7px 16px;border-radius:8px;font-size:13px;cursor:pointer;white-space:nowrap;flex-shrink:0}
  .buy-banner .bb-btn:hover{background:rgba(255,255,255,.28)}
  .buy-prod-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
  .buy-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px;transition:all .2s}
  .buy-card:hover{box-shadow:0 14px 36px rgba(16,36,74,.10);border-color:var(--brand);transform:translateY(-1px)}
  .buy-card .bc-top{display:flex;justify-content:space-between;align-items:center;gap:6px}
  .buy-card .bc-id{font-size:15px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .buy-card .bc-cat{font-size:10px;color:var(--brand);background:#EFF5FF;padding:2px 6px;border-radius:4px;white-space:nowrap;flex-shrink:0}
  .buy-card .bc-price{font-size:18px;font-weight:700;color:var(--ink)}
  .buy-card .bc-price em{font-size:11px;font-style:normal;color:#8a93a6;font-weight:400}
  .buy-card .bc-cfg{display:grid;grid-template-columns:1fr;gap:4px 10px;font-size:11px;color:var(--ink-2);padding:6px 0;border-top:1px dashed #EEF1F6}
  .buy-card .bc-cfg div{display:flex;gap:4px;align-items:center;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .buy-card .bc-cfg i{color:#3b82f6;font-size:11px;width:14px;text-align:center;flex-shrink:0}
  .buy-card .bc-cfg b{font-weight:600;color:var(--ink);flex-shrink:0}
  .buy-card .rent-label{font-size:11px;color:#8a93a6}
  .rent-opts{display:flex;flex-wrap:wrap;gap:4px}
  .rent-opt{border:1px solid var(--line);border-radius:6px;padding:3px 6px;font-size:10px;color:var(--ink-2);cursor:pointer;background:#fff;transition:all .12s}
  .rent-opt.active{border-color:var(--brand);color:var(--brand);background:#EFF5FF}
  .buy-card .bc-actions{display:flex;gap:8px;margin-top:auto}
  .buy-card .bc-actions .btn{flex:1;justify-content:center;font-size:12px;padding:7px 10px;height:auto}
  .bc-cart-btn{width:36px;height:36px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink-2);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:all .15s}
  .bc-cart-btn:hover{border-color:var(--brand);color:var(--brand)}
  .bc-cart-btn.in-cart{background:var(--brand);border-color:var(--brand);color:#fff}
  .bc-cart-btn.in-cart:hover{background:#1558D6;color:#fff}
  .bc-cart-btn svg{width:17px;height:17px}
  .bc-cart-wrap{display:flex;flex-direction:column;align-items:center;flex-shrink:0}
  .bc-cart-tip{font-size:10px;line-height:1.3;color:var(--brand);font-weight:600;margin-bottom:2px;white-space:nowrap;pointer-events:none}
  /* ===== 购物车抽屉 ===== */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(11,22,40,.4);z-index:200;
    opacity:0;visibility:hidden;transition:all .25s;
  }
  .drawer-mask.open{opacity:1;visibility:visible}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:400px;max-width:92vw;z-index:210;
    background:#fff;box-shadow:-24px 0 60px rgba(16,36,74,.18);
    transform:translateX(105%);transition:transform .28s ease;
    display:flex;flex-direction:column;
  }
  .drawer.open{transform:translateX(0)}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    padding:18px 22px;border-bottom:1px solid var(--line);
  }
  .drawer-head h3{font-size:17px;font-weight:700}
  .drawer-close{width:36px;height:36px;border:none;background:none;border-radius:8px;color:var(--ink-2);font-size:20px;line-height:1}
  .drawer-close:hover{background:var(--bg-soft)}
  .cart-list{flex:1;overflow-y:auto;padding:8px 22px}
  .cart-item{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);align-items:flex-start}
  .ci-info{flex:1;min-width:0}
  .ci-name{font-size:14.5px;font-weight:700}
  .ci-meta{margin-top:4px;font-size:12.5px;color:var(--ink-2)}
  .ci-price{margin-top:6px;font-size:14px;color:var(--brand);font-weight:700}
  .ci-right{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
  .ci-del{border:none;background:none;color:#B9BFC9;font-size:18px;line-height:1;padding:2px}
  .ci-del:hover{color:#F04142}
  .qty{display:flex;align-items:center;gap:10px}
  .qty button{
    width:26px;height:26px;border:1px solid var(--line);background:#fff;border-radius:6px;
    font-size:15px;color:var(--ink);display:flex;align-items:center;justify-content:center;
  }
  .qty button:hover{border-color:var(--brand);color:var(--brand)}
  .qty span{min-width:20px;text-align:center;font-size:14px;font-weight:600}
  .cart-empty{padding:60px 0;text-align:center;color:var(--ink-2)}
  .cart-empty svg{width:56px;height:56px;color:#C9D3E2;margin:0 auto 16px;display:block}
  .cart-empty p{font-size:14px}
  .cart-empty a{display:inline-block;margin-top:16px}
  .cart-foot{padding:18px 22px 22px;border-top:1px solid var(--line)}
  .cart-total{display:flex;justify-content:space-between;align-items:baseline;font-size:14px;color:var(--ink-2)}
  .cart-total b{font-size:24px;font-weight:900;color:var(--ink)}
  .cart-total b em{font-style:normal;font-size:14px;color:var(--brand);margin-right:2px}
  .cart-checkout{margin-top:14px;width:100%}
  /* ===== 购物车页 ===== */
  .cart-hero{background:linear-gradient(135deg,#EEF4FF 0%,#F7FAFF 55%,#FFFFFF 100%);border-bottom:1px solid var(--line)}
  .cart-hero-inner{padding:52px 24px 40px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
  .cart-hero h1{font-size:28px;font-weight:700;color:var(--ink)}
  .cart-hero p{margin-top:10px;font-size:14.5px;color:var(--ink-2)}
  .cart-main{padding:40px 0 72px}
  .cart-body{display:grid;grid-template-columns:1fr 320px;gap:28px;align-items:start}
  .cart-list-page{display:flex;flex-direction:column;gap:16px}
  .cart-item-page{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px}
  .cart-item-page:hover{border-color:#C9D8F2}
  .cip-head{display:flex;align-items:center;gap:10px}
  .cip-name{font-size:15.5px;font-weight:700;flex:1}
  .cip-config{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-2)}
  .cip-config span{white-space:nowrap}
  .cip-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px}
  .cip-period{font-size:13.5px;color:var(--ink-2)}
  .cip-period b{font-size:16px;color:var(--brand);font-weight:700;margin-left:4px}
  .cart-summary{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px;position:sticky;top:84px}
  .summary-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
  .summary-head h4{font-size:16px;font-weight:700}
  .summary-count{font-size:13px;color:var(--ink-2)}
  .summary-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2)}
  .summary-row b{color:var(--ink);font-weight:600}
  .summary-row.total{border-bottom:none}
  .summary-row.total b{font-size:22px;font-weight:900;color:var(--brand)}
  .summary-btn{margin-top:8px;width:100%;height:44px;font-size:15px}
  .summary-note{margin-top:14px;font-size:12.5px;color:#9AA3AF;text-align:center}
  .cart-empty .btn{display:inline-block;margin-top:16px}

  /* ===== toast ===== */
  .toast{
    position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);
    background:rgba(15,26,44,.92);color:#fff;font-size:14px;
    padding:12px 22px;border-radius:8px;z-index:300;opacity:0;visibility:hidden;transition:all .25s;
  }
  .toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

  /* ===== 页脚 ===== */
  .footer{background:#0B1D3A;color:#A9B7CF;font-size:13.5px}
  .footer-top{
    max-width:1180px;margin:0 auto;padding:56px 24px 40px;
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:40px;
  }
  .footer-qr{display:flex;gap:16px}
  .qr-item{text-align:center}
  .qr-item img{width:96px;height:96px;border-radius:8px;background:#fff;padding:6px;display:block;box-shadow:0 2px 8px rgba(0,0,0,.08)}
  .qr-item span{display:block;margin-top:8px;color:#A9B7CF;font-size:12.5px}
  .footer h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:18px}
  .footer-links{display:flex;flex-direction:column;gap:12px}
  .footer-links a:hover{color:#fff}
  .footer-brand{display:flex;align-items:center;gap:10px}
  .footer-brand .nav-logo-mark{width:30px;height:30px}
  .footer-about{margin-top:16px;line-height:1.8;color:#8B9AB8;max-width:300px}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
  .footer-bottom-inner{
    max-width:1180px;margin:0 auto;padding:20px 24px;
    display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#7C8BA8;
  }

  /* ===== 响应式 ===== */
  @media (max-width:1024px){
    .prod-grid{grid-template-columns:repeat(2,1fr)}
    .price-grid{grid-template-columns:repeat(2,1fr)}
    .why-wrap{grid-template-columns:1fr;gap:48px}
    .buy-prod-grid{grid-template-columns:repeat(3,1fr)}
    .badge{right:0}
  }
  @media (max-width:768px){
    .nav-inner{height:56px;padding:0 18px}
    .nav-links{
      display:none;position:fixed;top:56px;left:0;right:0;background:#fff;
      flex-direction:column;align-items:flex-start;padding:16px 24px 24px;
      border-bottom:1px solid var(--line);gap:20px;box-shadow:0 16px 32px rgba(16,36,74,.08);
    }
    .nav-links.open{display:flex}
    .nav-links a,.nav-item>a{font-size:16px}
    .nav-item{width:100%}
    .nav-item>a{width:100%}
    .nav-item .dropdown{position:static;transform:none;box-shadow:none;border:none;padding:4px 0 0 14px;display:block;margin-top:0;min-width:0}
    .nav-item .dropdown::before{display:none}
    .dropdown a{font-size:15px;padding:8px 10px}
    .dropdown.mega{display:block;min-width:0;width:100%;padding:4px 0 0 14px;gap:0}
    .mega-cats{width:100%;border-right:none;padding:0;flex-direction:row;flex-wrap:wrap;margin-bottom:8px}
    .mega-grid{grid-template-columns:1fr}
    .mega-card p{display:none}
    .nav-actions .btn{font-size:13px;padding:7px 12px;white-space:nowrap}
    .nav-toggle{display:flex}
    .hero-slider{margin-top:-56px}
    .hero-slide{height:260px}
    .hero-slide img{width:100%;height:100%;object-fit:cover;object-position:center}
    .hero-copy{left:6%;right:6%;max-width:none}
    .hero-copy h1{font-size:26px;margin-top:10px}
    .hero-sub{font-size:13px;margin-top:10px;max-width:none}
    .hero-cta{margin-top:14px}
    .hero-cta .btn{height:36px;padding:0 14px;font-size:13px}
    .hero-arrow{width:34px;height:34px;font-size:18px}
    .hero-arrow.prev{left:10px}
    .hero-arrow.next{right:10px}
    .hero-dots{bottom:12px}
    .hero-features{gap:16px;flex-direction:column;align-items:flex-start;padding:14px 0}
    .section{padding:60px 0}
    .section-title{font-size:24px}
    .scene-grid{grid-template-columns:1fr}
    .news-wrap{grid-template-columns:1fr}
    .cart-body{grid-template-columns:1fr}
    .cart-summary{position:static}
    .news-item{flex-wrap:wrap;gap:10px}
    .news-date{display:none}
    .price-grid{grid-template-columns:1fr}
    .prod-grid{grid-template-columns:1fr}
    .shop-grid{grid-template-columns:repeat(2,1fr);gap:14px}
    .s-card{padding:14px}
    .s-config div{font-size:12px}
    .buy-prod-grid{grid-template-columns:repeat(2,1fr);gap:10px}
    .buy-card{padding:12px}
    .buy-banner{flex-direction:column;align-items:flex-start;padding:14px 16px;gap:10px}
    .kpi-row{grid-template-columns:repeat(3,1fr)}
    .chart-row{grid-template-columns:1fr}
    .footer-top{grid-template-columns:1fr 1fr}
  }
  @media (max-width:480px){
    .kpi-row{grid-template-columns:1fr 1fr}
    .shop-grid{grid-template-columns:repeat(2,1fr);gap:10px}
    .s-card{padding:12px}
    .period{grid-template-columns:repeat(2,1fr)}
  }

  /* ===== 确认支付弹窗 ===== */
  .pay-mask{position:fixed;inset:0;background:rgba(13,24,48,.45);opacity:0;pointer-events:none;transition:opacity .25s;z-index:200}
  .pay-mask.open{opacity:1;pointer-events:auto}
  .pay-modal{
    position:fixed;left:50%;top:50%;transform:translate(-50%,-46%);width:420px;max-width:calc(100vw - 32px);
    background:#fff;border-radius:12px;box-shadow:0 24px 64px rgba(10,30,70,.22);
    padding:26px 26px 22px;z-index:210;opacity:0;pointer-events:none;transition:all .25s;
  }
  .pay-modal.open{opacity:1;pointer-events:auto;transform:translate(-50%,-50%)}
  .pay-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
  .pay-head h3{font-size:18px;font-weight:700}
  .pay-close{width:32px;height:32px;border:none;background:#F2F4F7;border-radius:50%;font-size:18px;color:var(--ink-2);display:flex;align-items:center;justify-content:center;transition:background .15s}
  .pay-close:hover{background:#E8ECF2;color:var(--ink)}
  .pay-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2)}
  .pay-row b{color:var(--ink);font-weight:600}
  .pay-row:last-of-type{border-bottom:none}
  .pay-row:last-of-type b{font-size:20px;font-weight:800;color:var(--brand)}
  .pay-methods{margin-top:16px;display:flex;flex-direction:column;gap:10px}
  .pay-method{border:1px solid var(--line);border-radius:8px;padding:13px 14px;display:flex;align-items:center;gap:12px;cursor:pointer;transition:all .15s}
  .pay-method:hover{border-color:#C9D8F2}
  .pay-method.disabled{opacity:.58;cursor:not-allowed;background:#FAFBFC}
  .pay-method.disabled:hover{border-color:var(--line)}
  .pay-method.active{border-color:var(--brand);background:#F5F9FF}
  .pm-radio{width:18px;height:18px;border-radius:50%;border:2px solid #C6CBD4;flex-shrink:0;position:relative;transition:all .15s}
  .pay-method.active .pm-radio{border-color:var(--brand)}
  .pay-method.active .pm-radio::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--brand)}
  .pm-info{flex:1}
  .pm-name{font-size:14px;font-weight:600;color:var(--ink)}
  .pm-sub{font-size:12.5px;color:var(--ink-2);margin-top:2px}
  .pm-sub b{color:#E8890C;font-weight:600}
  .pay-channels{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:#FAFBFC}
  .pay-channel{border:1px solid var(--line);border-radius:8px;padding:8px 16px;font-size:13px;color:var(--ink-2);cursor:pointer;background:#fff;transition:all .15s}
  .pay-channel:hover{border-color:var(--brand);color:var(--brand)}
  .pay-channel.active{border-color:var(--brand);color:var(--brand);background:#EFF5FF;font-weight:600}
  .pay-channel-empty{font-size:12px;color:var(--ink-2);padding:4px 2px}
  .pay-foot{margin-top:20px;display:flex;gap:12px}
  .pay-foot .btn{flex:1;height:42px;font-size:14.5px}

  /* ===== 独立页（了解我们 / 合作伙伴） ===== */
  .page-hero{background-image:url("/assets/media/page-hero-bg.jpg");background-size:cover;background-position:center;color:#12254A;padding:76px 0 64px;position:relative;overflow:hidden}
  .page-eyebrow{font-size:13px;letter-spacing:2px;color:var(--brand);margin-bottom:12px}
  .page-hero h1{font-size:34px;font-weight:800;line-height:1.35;max-width:720px}
  .page-lead{font-size:16px;color:#4A5A78;margin-top:14px;max-width:640px}
  .page-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:56px 0}
  .page-intro h2{font-size:22px;font-weight:700;margin-bottom:14px}
  .page-intro p{color:var(--ink-2);margin-top:10px;line-height:1.9}
  .center{text-align:center;margin-bottom:34px;font-size:26px;font-weight:700}
  .about-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .about-item,.partner-card,.contact-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px}
  .about-item h3{font-size:16px;font-weight:700;margin-bottom:10px}
  .about-item p{font-size:13.5px;color:var(--ink-2);line-height:1.8}
  .stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-bottom:8px}
  .stat-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px;text-align:center}
  .stat-card b{display:block;font-size:30px;font-weight:800;color:var(--brand)}
  .stat-card span{font-size:13.5px;color:var(--ink-2);margin-top:6px;display:block}
  .cta-strip{background-image:url("/assets/media/cta-bg.jpg");background-size:cover;background-position:center;text-align:center;color:#12254A}
  .cta-strip h2{font-size:24px;font-weight:700}
  .cta-strip p{color:#4A5A78;margin:10px 0 22px}
  .cta-strip .btn{min-width:180px}
  .partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .partner-card h3{font-size:16px;font-weight:700;margin-bottom:10px}
  .partner-card p{font-size:13.5px;color:var(--ink-2);line-height:1.8}
  .steps-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-top:14px}
  .step-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px;position:relative}
  .step-item b{position:absolute;top:-14px;left:18px;width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}
  .step-item h3{font-size:16px;font-weight:700;margin:10px 0 8px}
  .step-item p{font-size:13.5px;color:var(--ink-2);line-height:1.7}
  .contact-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .contact-card{text-align:center}
  .contact-card h3{font-size:16px;font-weight:700;margin-bottom:10px}
  .contact-card p{font-size:13.5px;color:var(--ink-2);margin-top:6px}
  @media (max-width:900px){.page-grid,.about-grid,.stats-row,.partner-grid,.steps-row,.contact-row{grid-template-columns:1fr 1fr}}
  @media (max-width:600px){.page-grid,.about-grid,.stats-row,.partner-grid,.steps-row,.contact-row{grid-template-columns:1fr}.page-hero h1{font-size:26px}}

  .page-hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
  .page-hero::before{content:"";position:absolute;inset:0;background:rgba(255,255,255,.52);z-index:1}
  .page-hero .container{position:relative;z-index:2}

  /* ===== 首页新增板块 ===== */
  .section-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:2px}
  .section-eyebrow::before,.section-eyebrow::after{content:"";width:18px;height:2px;background:var(--brand)}
  .section-head .section-eyebrow + .section-title{margin-top:10px}

  .dual-card{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .dual-item{position:relative;border-radius:12px;overflow:hidden;min-height:300px;display:flex;align-items:center}
  .dual-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
  .dual-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,29,58,.86) 0%,rgba(11,29,58,.55) 60%,rgba(11,29,58,.18) 100%)}
  .dual-copy{position:relative;padding:40px;color:#fff;max-width:420px}
  .dual-copy .dual-kicker{font-size:13px;font-weight:600;letter-spacing:2px;color:#8FBCFF}
  .dual-copy h3{font-size:24px;font-weight:800;margin-top:10px;line-height:1.35}
  .dual-copy p{margin-top:12px;font-size:14px;color:rgba(255,255,255,.82);line-height:1.8}
  .dual-copy .btn{margin-top:22px}

  .model-section{background:linear-gradient(180deg,#F5F8FF 0%,#FFFFFF 100%)}
  .model-count{display:inline-flex;align-items:center;gap:6px;margin-left:10px;font-size:13px;font-weight:600;color:#fff;background:linear-gradient(135deg,#FF6A3D,#FF8F5E);padding:3px 10px;border-radius:20px;vertical-align:middle}
  .model-wrap{display:grid;grid-template-columns:220px 300px 1fr;align-items:stretch;background:linear-gradient(135deg,#F1F6FF 0%,#FFFFFF 55%,#F1F6FF 100%);border:1px solid #E0E9FA;border-radius:16px;box-shadow:0 18px 50px rgba(26,107,255,.10);overflow:hidden}
  .model-col{padding:14px 12px;display:flex;flex-direction:column}
  .model-col + .model-col{border-left:1px dashed #D4E2F8}
  .m-col-title{font-size:12px;font-weight:700;color:#8A97AD;letter-spacing:3px;padding:10px 8px 12px;text-align:center}
  .m-cat{display:flex;align-items:center;gap:11px;padding:9px 12px;margin-bottom:6px;font-size:14px;color:var(--ink-2);cursor:pointer;transition:all .18s;border:1px solid transparent;border-radius:10px}
  .m-cat-icon{width:30px;height:30px;border-radius:8px;background:#E9F0FC;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .18s}
  .m-cat-icon svg{width:15px;height:15px;color:#7C8AA5}
  .m-cat:hover{background:#EAF2FF;color:var(--brand)}
  .m-cat.active{background:linear-gradient(135deg,#2E7CFF,#1552CC);color:#fff;box-shadow:0 6px 16px rgba(26,107,255,.35);font-weight:600}
  .m-cat.active .m-cat-icon{background:rgba(255,255,255,.22)}
  .m-cat.active .m-cat-icon svg{color:#fff}
  .m-item{display:flex;align-items:center;gap:11px;padding:9px 11px;margin-bottom:6px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:14px;color:var(--ink-2);cursor:pointer;transition:all .18s}
  .m-item:hover{border-color:#BFD4F8;transform:translateY(-1px);box-shadow:0 6px 16px rgba(16,36,74,.08);color:var(--brand)}
  .m-item.active{border-color:var(--brand);background:#F0F6FF;box-shadow:0 6px 16px rgba(26,107,255,.15);color:var(--brand);font-weight:600}
  .m-item-logo{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:13px;flex-shrink:0;overflow:hidden}
  .m-item-logo img{width:100%;height:100%;object-fit:contain}
  .m-item-logo.has-img{background:#fff;border:1px solid var(--line)}
  .m-item-logo.has-img.dark{background:#0B1D3A;border-color:#0B1D3A}
  .m-badge{font-size:10px;padding:1px 6px;border-radius:3px;background:#FFEDE5;color:#FF6A3D;font-weight:600;margin-left:auto}
  .m-detail{padding:26px 26px 24px;display:flex;flex-direction:column;background:linear-gradient(165deg,#F8FBFF 0%,#FFFFFF 60%);position:relative;overflow:hidden}
  .m-detail::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#2E7CFF,#7C5CFF)}
  .m-detail-top{display:flex;align-items:center;gap:13px}
  .m-logo{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:19px;flex-shrink:0;box-shadow:0 6px 16px rgba(26,107,255,.25);overflow:hidden}
  .m-logo img{width:100%;height:100%;object-fit:contain}
  .m-logo.has-img{background:#fff;border:1px solid var(--line);box-shadow:none}
  .m-logo.has-img.dark{background:#0B1D3A;border-color:#0B1D3A;box-shadow:none}
  .m-detail h4{font-size:19px;font-weight:700;color:var(--ink)}
  .m-detail .m-tagline{font-size:12px;color:var(--ink-2);margin-top:3px}
  .m-detail p.desc{font-size:13.5px;color:var(--ink-2);line-height:1.9;margin-top:16px;flex:1}
  .m-meta{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
  .m-meta span{font-size:12px;color:var(--brand);background:#EAF1FF;border:1px solid #D8E6FF;padding:3px 12px;border-radius:20px}
  .m-detail-cta{margin-top:20px;display:flex;gap:12px}
  .m-detail-cta .btn{height:38px;padding:0 18px;font-size:13.5px;box-shadow:0 6px 16px rgba(26,107,255,.25)}

  .home-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
  .stat-num{font-size:34px;font-weight:900;color:var(--brand);letter-spacing:1px}
  .stat-label{font-size:13.5px;color:var(--ink-2);margin-top:6px}

  .home-cta{position:relative;background:var(--brand-ink-2);color:#fff;text-align:center;padding:72px 24px;overflow:hidden}
  .home-cta::before{content:"";position:absolute;inset:0;background:url("/assets/media/cta-bg.jpg") center/cover no-repeat;opacity:.16}
  .home-cta>*{position:relative}
  .home-cta h2{font-size:30px;font-weight:800;letter-spacing:.5px}
  .home-cta p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.78)}
  .home-cta .btn{margin-top:26px}

  @media (max-width:1024px){
    .model-wrap{grid-template-columns:180px 1fr}
    .m-detail{grid-column:1 / -1;border-top:1px solid var(--line);border-left:none}
  }
  @media (max-width:900px){
    .dual-card{grid-template-columns:1fr}
  }
  @media (max-width:768px){
    .model-wrap{grid-template-columns:1fr}
    .model-col + .model-col{border-left:none;border-top:1px dashed #D4E2F8}
    .m-detail{grid-column:auto}
  }
  @media (max-width:600px){
    .dual-copy{padding:28px}
    .dual-item{min-height:260px}
    .home-stats{grid-template-columns:1fr 1fr}
    .stat-num{font-size:26px}
    .home-cta{padding:52px 20px}
    .home-cta h2{font-size:24px}
  }

  /* ===== 导航下拉（产品服务，左侧分类 + 右侧分组） ===== */
  .dropdown.mega.ws{position:fixed;left:0;right:0;top:60px;width:auto;min-width:0;transform:none;margin-top:0;padding:0;gap:0;border:0;border-top:1px solid #E8EDF6;border-radius:0;box-shadow:0 20px 44px rgba(11,29,58,.12);overflow:hidden;background:#fff}
  .ws-cats{width:212px;flex:0 0 212px;background:#F7F9FC;padding:20px 0 24px;margin-left:112px;display:flex;flex-direction:column;gap:0;border-right:1px solid #EDF1F7}
  .ws-cats a{display:block;padding:12px 26px;border-radius:0;font-size:13.5px;color:#4A5568;border:0;line-height:1.3;white-space:nowrap}
  .ws-cats a:hover,.ws-cats a.active{background:#fff;color:#1A6BFF;font-weight:600;box-shadow:none}
  .ws-cats-sep{display:block;height:1px;background:#E7ECF4;margin:12px 26px}
  .ws-cats a.ws-mini{font-size:13px;color:#4A5568}
  .ws-body{flex:1;display:grid;grid-template-columns:repeat(4,178px) minmax(0,1fr);gap:10px 26px;padding:26px 0 28px 32px;background:#fff;align-content:start}
  .ws-body::after{content:"";grid-column:5;grid-row:1;min-height:250px;border-left:1px solid #EDF1F7;background:linear-gradient(135deg,#F4F8FF 0%,#E9F2FF 52%,#FFFFFF 100%);background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231A6BFF' stroke-width='1.1' stroke-linecap='round' stroke-linejoin='round'><path d='M17.5 18.5a4.5 4.5 0 0 0 .42-8.98 6 6 0 0 0-11.7 1.04A4.24 4.24 0 0 0 6.75 18.5h10.75Z'/></svg>");background-repeat:no-repeat;background-position:center;background-size:150px 150px}
  .ws-col{margin:0}
  .ws-col h5{font-size:14px;font-weight:700;color:#1A6BFF;margin:0 0 14px}
  .ws-col a{display:block!important;padding:7px 0;font-size:13px;color:#4A5568;line-height:1.5;white-space:nowrap}
  .ws-col a:hover{background:transparent;color:#1A6BFF}
  .ws-body::after{min-height:300px;background-size:280px 280px}
  .ws-tag{display:inline-block;font-size:10px;font-weight:700;color:#fff;padding:1px 6px;border-radius:3px;margin-left:6px;vertical-align:middle}
  .ws-tag.hot{background:#FF5B4A}
  .ws-tag.new{background:#2E7CFF}

  /* ===== 首页「产品与服务」面板 ===== */
  .svc-panel{display:grid;grid-template-columns:216px minmax(0,1fr);background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 18px 50px rgba(16,36,74,.06)}
  .svc-tabs{background:#F5F7FA;padding:14px 12px;display:flex;flex-direction:column;gap:6px}
  .svc-tab{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid transparent;background:transparent;border-radius:10px;font-size:14px;color:var(--ink-2);text-align:left;transition:all .2s}
  .svc-tab:hover{background:#fff;border-color:#DCE6F7;color:var(--brand)}
  .svc-tab.active{background:linear-gradient(135deg,#2E7CFF,#1552CC);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 8px 20px rgba(26,107,255,.28)}
  .svc-ico{width:26px;height:26px;border-radius:8px;background:#E9F0FC;color:#7C8AA5;display:flex;align-items:center;justify-content:center;flex-shrink:0}
  .svc-ico svg{width:15px;height:15px}
  .svc-tab.active .svc-ico{background:rgba(255,255,255,.22);color:#fff}
  .svc-body{padding:22px 24px}
  .svc-group{display:none;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .svc-group.active{display:grid}
  .svc-card{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px;transition:all .2s}
  .svc-card:hover{border-color:#C9D8F2;box-shadow:0 10px 26px rgba(16,36,74,.08);transform:translateY(-2px)}
  .svc-head{display:flex;align-items:center;gap:8px}
  .svc-head h4{font-size:15px;font-weight:700;color:var(--ink)}
  .svc-badge{margin-left:auto;font-size:10px;font-weight:700;color:#fff;padding:2px 8px;border-radius:4px;flex-shrink:0}
  .svc-badge.hot{background:#FF5B4A}
  .svc-badge.new{background:#2E7CFF}
  .svc-card p{margin-top:8px;font-size:13px;color:var(--ink-2);line-height:1.7}

  @media (max-width:1200px){
    .ws-body{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 26px;padding-left:28px}
    .ws-body::after{display:none}
  }
  @media (max-width:900px){
    .svc-panel{grid-template-columns:1fr}
    .svc-tabs{flex-direction:row;overflow-x:auto;gap:8px}
    .svc-tab{white-space:nowrap}
    .svc-group{grid-template-columns:repeat(2,minmax(0,1fr))}
  }
  @media (max-width:768px){
    .nav-item .dropdown.mega.ws{position:static;left:auto;right:auto;top:auto;min-width:0;width:100%;display:block;padding:4px 0 0 14px;box-shadow:none;border:0;border-radius:0}
    .nav-item:hover::after{display:none}
    .ws-cats{width:100%;margin-left:0;background:transparent;border-right:none;padding:0;flex-direction:row;flex-wrap:wrap}
    .ws-body{grid-template-columns:1fr;padding:8px 0 0}
  }

/* ===== 产品与服务下拉（左侧栏目 + 搜索 + 卡片网格） ===== */
.dropdown.mega.ws{position:fixed;left:0;right:0;top:60px;width:auto;min-width:0;transform:none;margin-top:0;padding:0 max(16px,calc((100% - 1560px) / 2));gap:0;border:0;border-top:1px solid #EDF1F7;border-radius:0;box-shadow:0 20px 44px rgba(11,29,58,.12);overflow:hidden;background:#fff;display:none;align-items:stretch}
.nav-item:hover .dropdown.mega.ws{display:flex}
.ws-side{width:250px;flex:0 0 250px;padding:22px 24px 28px;background:linear-gradient(180deg,#F8FAFD 0%,#F1F5FB 100%);border-right:1px solid #EDF1F7;overflow:hidden}
.ws-side-title{font-size:20px;font-weight:700;color:#1F2329;margin:0 0 20px}
.ws-cats{display:flex;flex-direction:column;width:auto;flex:1 1 auto;margin-left:0;background:transparent;border-right:0;padding:0;gap:0}
.ws-cats a{display:block;padding:10px 0;font-size:13.5px;color:#5A6678;position:relative;line-height:1.3;white-space:nowrap}
.ws-cats a:hover{color:#1A6BFF}
.ws-cats a.active{background:transparent;color:#1A6BFF;font-weight:600;box-shadow:none}
.ws-cats a.active::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:#1A6BFF;border-radius:1px}
.ws-main{flex:1;min-width:0;padding:20px 28px 26px}
.ws-tools{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.ws-search{flex:0 0 440px;display:flex;align-items:center;gap:8px;height:34px;padding:0 14px;background:#F5F7FA;border-radius:17px;color:#95A0B2}
.ws-search svg{width:15px;height:15px;flex-shrink:0}
.ws-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:13px;color:#1F2329;font-family:inherit}
.ws-search input::placeholder{color:#9AA5B6}
.ws-chips{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.ws-chip{border:0;background:#F5F7FA;color:#5A6678;font-size:13px;padding:7px 16px;border-radius:4px;cursor:pointer;font-family:inherit}
.ws-chip:hover{background:#EDF1F7;color:#1F2329}
.ws-chip.active{background:#E9EFF8;color:#1F2329;font-weight:500}
.ws-close{margin-left:auto;width:34px;height:34px;border:0;background:transparent;color:#7A8598;font-size:22px;line-height:1;cursor:pointer;border-radius:4px;font-family:inherit}
.ws-close:hover{background:#F5F7FA;color:#1F2329}
.ws-panel{display:none;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px 18px}
.ws-panel.active{display:grid}
.dropdown .ws-card{display:block;background:#fff;border:1px solid #EDF1F7;border-radius:6px;padding:14px 16px 15px;transition:border-color .2s,box-shadow .2s;white-space:normal}
.dropdown .ws-card:hover{background:#fff;border-color:#C9D8F2;box-shadow:0 10px 24px rgba(16,36,74,.08)}
.dropdown .ws-card-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#1F2329;line-height:1.4}
.dropdown .ws-card-tag{flex-shrink:0;font-size:11px;line-height:16px;padding:0 5px;border:1px solid #FF6A3D;color:#FF6A3D;border-radius:3px;font-weight:500}
.dropdown .ws-card-tag.hot{border-color:#FF5B4A;color:#FF5B4A}
.dropdown .ws-card p{margin-top:10px;font-size:12.5px;color:#8A94A6;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;white-space:normal}
.nav-item.ws-off:hover .dropdown.mega.ws{display:none}
@media (max-width:1200px){
  .ws-side{width:210px;flex:0 0 210px;padding:20px 18px 24px}
  .ws-side-title{font-size:18px}
  .ws-search{flex:1 1 auto}
  .ws-panel{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .nav-item .dropdown.mega.ws{position:static;left:auto;right:auto;top:auto;min-width:0;width:100%;display:block;padding:4px 0 0 14px;box-shadow:none;border:0;border-radius:0;flex-direction:column}
  .nav-item:hover::after{display:none}
  .nav-item.ws-off:hover .dropdown.mega.ws{display:block}
  .ws-side{width:100%;flex:1 1 auto;padding:0;background:transparent;border-right:0}
  .ws-side-title{display:none}
  .ws-main{padding:0}
  .ws-tools{display:none}
  .ws-cats{flex-direction:row;flex-wrap:wrap;gap:0 20px}
  .ws-cats a{padding:8px 0}
  .ws-panel{grid-template-columns:1fr;gap:10px;padding-top:8px}
  .dropdown .ws-card{padding:12px 14px}
}

/* ===== 产品选购：左侧栏目树 + 右侧产品详情 ===== */
.shop-shell{display:grid;grid-template-columns:236px minmax(0,1fr);gap:24px;align-items:start}
.shop-side{background:#F7F9FC;border:1px solid #EDF1F7;border-radius:6px;overflow:hidden}
.shop-search{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid #EDF1F7;color:#95A0B2;background:#fff}
.shop-search svg{width:15px;height:15px;flex-shrink:0}
.shop-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:13px;color:#1F2329;font-family:inherit}
.shop-cats{padding:8px 0 12px;max-height:560px;overflow-y:auto}
.shop-group{margin:0 0 2px}
.shop-group-head{display:flex;align-items:center;justify-content:space-between;gap:6px;width:100%;border:0;background:transparent;padding:9px 16px;font-size:13.5px;color:#1F2329;font-weight:600;cursor:pointer;font-family:inherit;text-align:left}
.shop-group-head svg{width:13px;height:13px;opacity:.5;transition:transform .2s;flex-shrink:0}
.shop-group.open .shop-group-head svg{transform:rotate(180deg)}
.shop-group-body{display:none;padding:2px 0 6px}
.shop-group.open .shop-group-body{display:block}
.shop-item{display:flex;align-items:center;gap:6px;padding:8px 16px 8px 22px;font-size:13px;color:#5A6678}
.shop-item:hover{color:#1A6BFF;background:#fff}
.shop-item.active{color:#1A6BFF;font-weight:600;background:#fff}
.shop-tag{font-size:10px;line-height:15px;padding:0 4px;border-radius:3px;color:#fff;background:#FF5B4A;flex-shrink:0}
.shop-empty{padding:10px 16px;font-size:12.5px;color:#95A0B2}
.shop-main{min-width:0}
.shop-tip{display:flex;align-items:center;gap:8px;padding:10px 16px;background:#EAF2FE;border:1px solid #D3E3FB;border-radius:4px;font-size:13px;color:#3C4A5E}
.shop-tip svg{width:16px;height:16px;color:#1A6BFF;flex-shrink:0}
.shop-tip a{color:#1A6BFF;text-decoration:underline}
.shop-detail{margin-top:16px}
.sdc{border:1px solid #EDF1F7;border-radius:6px;background:#fff;padding:18px 20px 20px;max-width:460px}
.sdc-title{font-size:15px;font-weight:700;color:#1F2329}
.sdc-cat{margin-top:4px;font-size:12.5px;color:#8A94A6}
.sdc-specs{margin-top:14px;display:flex;flex-direction:column;gap:8px;font-size:13px;color:#3C4A5E}
.sdc-row{display:flex;gap:8px;line-height:1.6}
.sdc-row span{color:#8A94A6;min-width:44px;flex-shrink:0}
.sdc-price{margin-top:16px;font-size:22px;font-weight:700;color:#F04142}
.sdc-price em{font-style:normal;font-size:13px;color:#8A94A6;font-weight:400}
.sdc-periods{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.sdc-actions{display:flex;align-items:center;gap:10px;margin-top:16px}
.sdc-actions .btn{flex:1;height:42px}
.sdc-cart{width:42px;height:42px;flex-shrink:0;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--brand);display:flex;align-items:center;justify-content:center;cursor:pointer}
.sdc-cart svg{width:18px;height:18px}
.sdc-cart.in-cart{border-color:var(--brand);background:#EFF5FF}
.shop-warn{margin-top:16px;padding:10px 16px;background:#FDECEC;border:1px solid #F8D5D5;border-radius:4px;font-size:13px;color:#C0392B}
.shop-detail-empty{padding:40px 0;text-align:center;color:#8A94A6}
@media (max-width:900px){
  .shop-shell{grid-template-columns:1fr}
  .shop-cats{max-height:none}
  .sdc{max-width:none}
}

/* ===== 产品选购（左侧分类 + 卡片网格，满宽） ===== */
#shop .container{max-width:1560px}
.shop-shell{display:grid;grid-template-columns:216px minmax(0,1fr);gap:22px;align-items:start}
.shop-side{background:#fff;border:1px solid #EDF1F7;border-radius:6px;overflow:hidden}
.shop-side-title{padding:14px 16px 10px;font-size:14px;font-weight:700;color:#1F2329;border-bottom:1px solid #F3F5F9}
.shop-search{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid #EDF1F7;color:#95A0B2;background:#fff}
.shop-search svg{width:15px;height:15px;flex-shrink:0}
.shop-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:13px;color:#1F2329;font-family:inherit}
.shop-cats{padding:6px 0 10px;max-height:560px;overflow-y:auto}
.shop-cat{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 16px;font-size:13.5px;color:#3C4A5E;border-left:3px solid transparent}
.shop-cat b{font-weight:400}
.shop-cat span{font-size:12px;color:#95A0B2}
.shop-cat:hover{color:#1A6BFF;background:#F7FAFF}
.shop-cat.active{color:#fff;background:#1A6BFF;font-weight:600;border-left-color:#0B4FD6}
.shop-cat.active b{font-weight:600}
.shop-cat.active span{color:rgba(255,255,255,.82)}
.shop-detail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:16px}
.shop-card{display:flex;flex-direction:column;border:1px solid #EDF1F7;border-radius:6px;background:#fff;padding:16px 16px 18px;transition:border-color .2s,box-shadow .2s}
.shop-card:hover{border-color:#C9D8F2;box-shadow:0 10px 24px rgba(16,36,74,.08)}
.sc-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.sc-name{flex:1;min-width:0;font-size:14px;font-weight:700;color:#1F2329;line-height:1.55}
.sc-stock{flex-shrink:0;white-space:nowrap;font-size:12px;color:#8A94A6;padding-top:3px}
.sc-cat{margin-top:4px;font-size:12.5px;color:#8A94A6}
.sc-label{margin-top:14px;padding-top:12px;border-top:1px solid #F3F5F9;font-size:12.5px;color:#8A94A6}
.sc-specs{margin-top:10px;display:flex;flex-direction:column;gap:7px;font-size:12.5px;color:#3C4A5E;line-height:1.5;flex:1}
.sc-specs b{color:#8A94A6;font-weight:400}
.sc-price{margin-top:16px;font-size:22px;font-weight:700;color:#F04142;line-height:1.1}
.sc-price em{font-style:normal;font-size:13px;color:#8A94A6;font-weight:400}
.sc-sub{margin-top:5px;font-size:12px;color:#8A94A6}
.sc-periods{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.sc-periods .rent-opt{padding:4px 10px;font-size:12px}
.sc-actions{display:flex;gap:8px;margin-top:14px}
.sc-actions .btn{flex:1;height:40px}
.sc-cart{width:40px;height:40px;flex-shrink:0;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--brand);display:flex;align-items:center;justify-content:center;cursor:pointer}
.sc-cart svg{width:17px;height:17px}
.sc-cart.in-cart{border-color:var(--brand);background:#EFF5FF}
.sc-stock.sold{color:#F04142;font-weight:600}
.shop-card.sold-out{opacity:.75}
.shop-card.sold-out .sc-price{color:#95A0B2}
.shop-card.sold-out .btn-primary{background:#C7CFDB;border-color:#C7CFDB;color:#fff;cursor:not-allowed}
@media (max-width:1400px){.shop-detail{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:1000px){.shop-detail{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:680px){
  .shop-detail{grid-template-columns:1fr}
  .shop-shell{grid-template-columns:1fr}
}
  @media (max-width:600px){
    .svc-group{grid-template-columns:1fr}
  }