:root{
    --navy:#0f1f3d;          /* 主色 深海军蓝 */
    --blue:#2563eb;          /* 强调色 科技蓝 */
    --blue-dark:#1d4ed8;
    --ink:#1e293b;           /* 正文 */
    --muted:#64748b;         /* 次级文字 */
    --line:#e2e8f0;          /* 分割线 */
    --bg-soft:#f8fafc;       /* 浅背景 */
    --gold:#f59e0b;          /* 星级 */
    --radius:14px;
    --shadow:0 10px 30px rgba(15,31,61,.08);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
  img{max-width:100%;display:block}
  a{text-decoration:none;color:inherit}
  ul{list-style:none}
  .container{max-width:1180px;margin:0 auto;padding:0 24px}
  .btn{display:inline-block;padding:13px 30px;border-radius:8px;font-weight:600;font-size:15px;cursor:pointer;transition:.25s;border:2px solid transparent}
  .btn-primary{background:var(--blue);color:#fff}
  .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
  .btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
  .btn-outline:hover{background:var(--navy);color:#fff}
  .section{padding:80px 0}
  .section-head{text-align:center;max-width:640px;margin:0 auto 52px}
  .eyebrow{display:inline-block;color:var(--blue);font-weight:700;letter-spacing:2.5px;font-size:12px;text-transform:uppercase;margin-bottom:12px}
  .section-head h2{font-size:34px;color:var(--navy);line-height:1.25;margin-bottom:14px}
  .section-head p{color:var(--muted);font-size:16px}

  /* ---------- Top bar ---------- */
  .topbar{background:var(--navy);color:#cbd5e1;font-size:13px;padding:8px 0}
  .topbar .container{display:flex;justify-content:space-between;align-items:center;gap:12px}
  .topbar a{color:#e2e8f0;font-weight:500}
  .topbar .promo{color:#fff;font-weight:600;letter-spacing:.3px}
  .topbar-links{display:flex;gap:18px;white-space:nowrap}
  .topbar-links a:hover{color:#fff}

  /* ---------- Header / Nav ---------- */
  /* 重要：吸顶栏绝不能用 backdrop-filter。
     弹窗全屏遮罩盖上来时，Chromium 会逐帧重算整屏 backdrop 模糊（背后图层 + 动画），
     合成开销爆炸 → 页面假死数秒、弹窗渲染不出来。改用不透明底色。 */
  header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:100}
  .nav{display:flex;align-items:center;justify-content:space-between;height:72px}
  .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:21px;letter-spacing:.5px;color:var(--navy)}
  .logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--navy));display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800}
  .logo b{color:var(--blue)}
  .nav-links{display:flex;gap:30px;font-weight:600;font-size:15px}
  .nav-links a{color:var(--ink);padding:6px 0;position:relative}
  .nav-links a:hover{color:var(--blue)}
  .nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--blue);transition:.25s}
  .nav-links a:hover::after{width:100%}
  .nav-actions{display:flex;align-items:center;gap:14px}
  .lang-switch{display:flex;border:1.5px solid var(--line);border-radius:8px;overflow:hidden;font-size:13px;font-weight:700}
  .lang-switch button{border:none;background:#fff;padding:7px 12px;cursor:pointer;color:var(--muted);font-weight:700}
  .lang-switch button.active{background:var(--navy);color:#fff}
  .cart{position:relative;font-size:20px;cursor:pointer}
  .cart-count{position:absolute;top:-6px;right:-10px;background:var(--blue);color:#fff;font-size:11px;font-weight:700;border-radius:999px;padding:1px 6px}
  .hamburger{display:none;font-size:24px;background:none;border:none;cursor:pointer;color:var(--navy)}

  /* ---------- Hero ---------- */
  .hero{background:linear-gradient(105deg,#ffffff 0%,#f1f5fb 55%,#e8eef8 100%);overflow:hidden}
  .hero .container{display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:center;padding-top:64px;padding-bottom:64px}
  .hero-badge{display:inline-flex;align-items:center;gap:8px;background:#e8f0fe;color:var(--blue);font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;margin-bottom:20px}
  .hero h1{font-size:52px;line-height:1.12;color:var(--navy);letter-spacing:-.5px;margin-bottom:20px}
  .hero h1 span{color:var(--blue)}
  .hero p.lead{font-size:18px;color:var(--muted);max-width:520px;margin-bottom:32px}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
  .hero-stats{display:flex;gap:38px}
  .hero-stats b{display:block;font-size:24px;color:var(--navy)}
  .hero-stats span{font-size:13px;color:var(--muted)}
  .hero-img{position:relative}
  .hero-img img{border-radius:var(--radius);box-shadow:var(--shadow)}
  .float-card{position:absolute;background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:12px 16px;display:flex;gap:10px;align-items:center;font-size:13px;font-weight:600;color:var(--navy)}
  .float-card .dot{width:34px;height:34px;border-radius:9px;background:#e8f0fe;display:grid;place-items:center;font-size:16px}
  .fc-1{bottom:24px;left:-26px}
  .fc-2{top:24px;right:-18px}

  /* ---------- Trust bar ---------- */
  .trust{border-bottom:1px solid var(--line);background:#fff}
  .trust .container{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 24px}
  .trust-item{display:flex;align-items:center;gap:12px;justify-content:center}
  .trust-item .t-ico{font-size:22px}
  .trust-item b{display:block;font-size:14px;color:var(--navy)}
  .trust-item span{font-size:12.5px;color:var(--muted)}

  /* ---------- Products ---------- */
  .products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;max-width:820px;margin:0 auto}
  .product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;position:relative}
  .product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
  .product-img{background:#f8fafc;position:relative}
  .product-img img{aspect-ratio:1/1;object-fit:cover;width:100%}
  .badge{position:absolute;top:14px;left:14px;background:var(--navy);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:1px;padding:5px 12px;border-radius:6px;text-transform:uppercase}
  .badge.new{background:var(--blue)}
  .product-body{padding:22px}
  .stars{color:var(--gold);font-size:14px;letter-spacing:2px;margin-bottom:6px}
  .stars span{color:var(--muted);letter-spacing:0;font-size:13px;margin-left:6px}
  .product-body h3{font-size:18px;color:var(--navy);margin-bottom:6px}
  .product-body .desc{font-size:14px;color:var(--muted);margin-bottom:14px;min-height:42px}
  .price-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
  .price{font-size:22px;font-weight:800;color:var(--navy)}
  .price s{font-size:14px;color:#94a3b8;font-weight:500;margin-left:8px}
  .sku{font-size:12px;color:#94a3b8}
  .product-ctas{display:flex;gap:10px}
  .product-ctas .btn{flex:1;text-align:center;padding:11px 0;font-size:14px}
  .btn-ghost{border:1.5px solid var(--line);color:var(--navy)}
  .btn-ghost:hover{border-color:var(--navy)}

  /* ---------- Categories ---------- */
  .cats{background:var(--bg-soft)}
  .cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
  .cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 20px;text-align:center;transition:.3s;cursor:pointer}
  .cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c7d6f5}
  .cat-ico{width:64px;height:64px;margin:0 auto 16px;border-radius:16px;background:linear-gradient(135deg,#e8f0fe,#f1f5fb);display:grid;place-items:center;font-size:28px}
  .cat-card h3{font-size:16.5px;color:var(--navy);margin-bottom:5px}
  .cat-card p{font-size:13px;color:var(--muted)}
  .cat-card .count{display:inline-block;margin-top:12px;font-size:12px;font-weight:700;color:var(--blue);letter-spacing:.5px}

  /* ---------- Why us ---------- */
  .why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
  .why-item{text-align:center;padding:10px}
  .why-ico{width:70px;height:70px;margin:0 auto 18px;border-radius:50%;background:#e8f0fe;display:grid;place-items:center;font-size:28px}
  .why-item h3{font-size:17px;color:var(--navy);margin-bottom:8px}
  .why-item p{font-size:14px;color:var(--muted)}

  /* ---------- Testimonials ---------- */
  .testis{background:linear-gradient(180deg,#fff, var(--bg-soft))}
  .testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
  .testi-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
  .testi-card .stars{margin-bottom:12px}
  .testi-card p{font-size:14.5px;color:var(--ink);margin-bottom:20px}
  .testi-user{display:flex;align-items:center;gap:12px}
  .avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--navy));color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px}
  .testi-user b{display:block;font-size:14px;color:var(--navy)}
  .testi-user span{font-size:12.5px;color:var(--muted)}

  /* ---------- Certifications ---------- */
  .certs .container{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;align-items:center}
  .cert-chip{border:1.5px solid var(--line);border-radius:10px;padding:14px 26px;font-weight:800;letter-spacing:1.5px;color:var(--navy);font-size:15px;background:#fff;transition:.25s}
  .cert-chip:hover{border-color:var(--blue);color:var(--blue)}

  /* ---------- Blog ---------- */
  .blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
  .blog-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;background:#fff}
  .blog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
  .blog-thumb{height:150px;display:grid;place-items:center;font-size:44px;background:linear-gradient(135deg,#e8f0fe,#f8fafc)}
  .blog-body{padding:22px}
  .blog-meta{font-size:12.5px;color:var(--muted);margin-bottom:8px}
  .blog-body h3{font-size:16.5px;color:var(--navy);line-height:1.4;margin-bottom:10px}
  .blog-body p{font-size:13.5px;color:var(--muted);margin-bottom:14px}
  .read-more{font-size:13.5px;font-weight:700;color:var(--blue)}

  /* ---------- Contact / Get a Quote ---------- */
  .contact{background:var(--bg-soft);padding:80px 0}
  .contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:start}
  .contact-grid h2{font-size:30px;color:var(--navy);line-height:1.25;margin:8px 0 16px}
  .contact-grid > div > p{color:var(--muted);font-size:15.5px;margin-bottom:28px;line-height:1.7}
  .contact-channels{display:flex;flex-direction:column;gap:14px}
  .channel{display:flex;align-items:center;gap:16px;padding:14px 18px;background:#fff;border-radius:12px;border:1px solid var(--line);transition:.2s}
  .channel:hover{border-color:var(--blue);transform:translateX(4px);box-shadow:var(--shadow)}
  .ch-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;flex-shrink:0}
  .channel b{display:block;color:var(--navy);font-size:15px;margin-bottom:2px}
  .channel span{display:block;color:var(--muted);font-size:13px}
  .quote-form{background:#fff;padding:32px;border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--line);display:flex;flex-direction:column;gap:14px}
  .quote-form h3{font-size:22px;color:var(--navy);margin-bottom:6px}
  .quote-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);font-weight:600}
  .quote-form input,.quote-form select,.quote-form textarea{padding:12px 14px;border:1.5px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;color:var(--ink);outline:none;transition:.2s;background:#fff}
  .quote-form input:focus,.quote-form select:focus,.quote-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
  .quote-form textarea{resize:vertical;min-height:80px}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .quote-form .btn{margin-top:6px;width:100%;padding:14px;font-size:15px}
  .quote-form small{color:var(--muted);font-size:11.5px;text-align:center;line-height:1.5;margin-top:4px}

  /* ---------- Floating WhatsApp Button ---------- */
  .float-contact{position:fixed;right:24px;bottom:24px;z-index:99;display:flex;flex-direction:column;gap:12px}
  .float-btn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;box-shadow:0 6px 20px rgba(0,0,0,.18);transition:.25s;cursor:pointer}
  .float-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 10px 26px rgba(0,0,0,.25)}
  .float-wa{background:#25D366}
  .float-mail{background:var(--blue)}

  /* ---------- Newsletter ---------- */
  .newsletter{background:var(--navy);color:#fff}
  .newsletter .container{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding-top:60px;padding-bottom:60px}
  .newsletter h2{font-size:28px;margin-bottom:10px}
  .newsletter p{color:#cbd5e1;font-size:15px}
  .news-form{display:flex;gap:12px}
  .news-form input{flex:1;padding:15px 18px;border-radius:8px;border:none;font-size:15px;outline:none}
  .news-form .btn{background:var(--blue);color:#fff;border:none}
  .news-form .btn:hover{background:var(--blue-dark)}
  .news-note{grid-column:2;font-size:12px;color:#94a3b8;margin-top:-26px}

  /* ---------- Footer ---------- */
  footer{background:#0b1830;color:#94a3b8;padding:64px 0 0;font-size:14px}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
  footer h4{color:#fff;font-size:15px;margin-bottom:18px}
  footer li{margin-bottom:11px}
  footer a:hover{color:#fff}
  .foot-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff;margin-bottom:16px}
  .foot-logo .logo-mark{background:linear-gradient(135deg,var(--blue),#3b82f6)}
  .foot-contact li{display:flex;gap:9px;align-items:flex-start}
  .pay-row{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
  .pay-badges{display:flex;gap:8px;flex-wrap:wrap}
  .pay-badge{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:#e2e8f0;font-size:11px;font-weight:800;letter-spacing:1px;padding:6px 12px;border-radius:6px}

  /* ---------- Cookie bar ---------- */
  .cookie-bar{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(15,31,61,.1);padding:14px 0;z-index:200;transform:translateY(0);transition:.4s}
  .cookie-bar.hidden{transform:translateY(110%)}
  .cookie-bar .container{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
  .cookie-bar p{font-size:13.5px;color:var(--muted)}
  .cookie-bar p a{color:var(--blue);font-weight:600}
  .cookie-actions{display:flex;gap:10px}
  .cookie-actions .btn{padding:9px 20px;font-size:13px}
  .btn-accept{background:var(--navy);color:#fff;border:2px solid var(--navy)}
  .btn-reject{background:#fff;color:var(--navy);border:2px solid var(--line)}

  /* ---------- Legal / Policy pages ---------- */
  .legal-hero{background:linear-gradient(105deg,#ffffff 0%,#f1f5fb 55%,#e8eef8 100%);padding:60px 0 40px;border-bottom:1px solid var(--line)}
  .legal-hero .container{max-width:820px}
  .legal-hero h1{font-size:38px;color:var(--navy);margin-bottom:10px;letter-spacing:-.5px}
  .legal-hero .meta{font-size:13.5px;color:var(--muted)}
  .legal-body{padding:60px 0 80px}
  .legal-body .container{max-width:820px}
  .legal-body h2{font-size:22px;color:var(--navy);margin:36px 0 12px;padding-top:6px}
  .legal-body h2:first-of-type{margin-top:0}
  .legal-body p{font-size:15.5px;color:var(--ink);margin-bottom:14px}
  .legal-body ul{margin:6px 0 16px 22px;list-style:disc}
  .legal-body li{font-size:15px;color:var(--ink);margin-bottom:8px;line-height:1.7}
  .legal-body strong{color:var(--navy)}
  .legal-body a{color:var(--blue);font-weight:600;text-decoration:underline}
  .toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin-bottom:36px}
  .toc h3{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:2px;margin-bottom:12px}
  .toc ol{margin-left:22px;list-style:decimal}
  .toc ol li{margin-bottom:6px;font-size:14.5px}
  .toc a{color:var(--navy);font-weight:600}
  .toc a:hover{color:var(--blue)}
  .back-home{display:inline-flex;align-items:center;gap:6px;margin-top:36px;font-size:14px;font-weight:700;color:var(--blue)}

  /* ---------- Responsive ---------- */
  @media(max-width:980px){
    .hero .container{grid-template-columns:1fr;text-align:center}
    .hero p.lead{margin-left:auto;margin-right:auto}
    .hero-ctas,.hero-stats{justify-content:center}
    .hero-img{max-width:560px;margin:0 auto}
    .cat-grid,.why-grid{grid-template-columns:repeat(2,1fr)}
    .testi-grid,.blog-grid{grid-template-columns:1fr}
    .newsletter .container{grid-template-columns:1fr}
    .news-note{grid-column:1}
    .foot-grid{grid-template-columns:repeat(2,1fr)}
    .trust .container{grid-template-columns:repeat(2,1fr)}
    .nav-links{display:none}
    .hamburger{display:block}
    .topbar .promo{display:none}
    .legal-hero h1{font-size:30px}
  }
  @media(max-width:560px){
    .hero h1{font-size:36px}
    .section{padding:56px 0}
    .section-head h2{font-size:27px}
    .cat-grid,.why-grid{grid-template-columns:1fr}
    .trust .container{grid-template-columns:1fr 1fr}
    .hero-stats{gap:22px}
    .news-form{flex-direction:column}
    .legal-hero{padding:40px 0 28px}
    .legal-hero h1{font-size:24px}
    .contact-grid{grid-template-columns:1fr;gap:36px}
    .form-row{grid-template-columns:1fr}
    .float-contact{right:14px;bottom:14px}
    .float-btn{width:50px;height:50px;font-size:22px}
    .qv-grid{grid-template-columns:1fr !important;gap:20px !important}
    .qv-modal{max-height:92vh;padding:20px !important}
  }

  /* ---------- Quick View Modal ---------- */
  /* 注意：不要用 backdrop-filter 全屏模糊，低端机会严重掉帧甚至假死 */
  .qv-overlay{position:fixed;inset:0;background:rgba(15,31,61,.66);z-index:300;display:none;align-items:center;justify-content:center;padding:24px;overflow-y:auto;overscroll-behavior:contain}
  /* 不用整屏 opacity 动画（每帧重绘全视口），直接显示，只在弹窗本体做 GPU 合成动画 */
  .qv-overlay.open{display:flex}
  @keyframes qvFade{from{opacity:0}to{opacity:1}}
  @keyframes qvUp{from{opacity:0;transform:translateY(18px) scale(.98)}to{opacity:1;transform:none}}
  .qv-modal{background:#fff;border-radius:18px;max-width:900px;width:100%;max-height:88vh;overflow-y:auto;position:relative;box-shadow:0 16px 42px rgba(15,31,61,.28);animation:qvUp .28s cubic-bezier(.2,.8,.3,1)}
  @media (prefers-reduced-motion:reduce){
    .qv-overlay.open{animation:none}
    .qv-modal{animation:none}
    .cart-drawer,.cart-overlay{transition:none}
  }
  .qv-close{position:absolute;top:14px;right:14px;width:38px;height:38px;border-radius:50%;border:none;background:var(--bg-soft);color:var(--muted);font-size:20px;line-height:1;cursor:pointer;z-index:5;transition:.2s;display:grid;place-items:center}
  .qv-close:hover{background:var(--navy);color:#fff;transform:rotate(90deg)}
  .qv-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:30px;padding:30px}
  .qv-media{background:var(--bg-soft);border-radius:var(--radius);display:grid;place-items:center;padding:24px;position:relative}
  .qv-media img{width:100%;max-height:320px;object-fit:contain}
  .qv-media .badge{position:absolute;top:14px;left:14px}
  .qv-info{display:flex;flex-direction:column}
  .qv-info h3{font-size:25px;color:var(--navy);line-height:1.25;margin:4px 0 10px}
  .qv-stars{font-size:14px;color:var(--gold);margin-bottom:14px}
  .qv-stars span{color:var(--muted);font-size:13px;margin-left:6px}
  .qv-price{display:flex;align-items:baseline;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:16px}
  .qv-price .now{font-size:30px;font-weight:800;color:var(--navy)}
  .qv-price s{color:var(--muted);font-size:17px}
  .qv-price .off{background:#fee2e2;color:#dc2626;font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px}
  .qv-desc{color:var(--muted);font-size:14.5px;margin-bottom:16px}
  .qv-specs{list-style:none;margin-bottom:20px}
  .qv-specs li{font-size:14px;color:var(--ink);padding:7px 0 7px 24px;position:relative;border-bottom:1px dashed var(--line)}
  .qv-specs li:last-child{border-bottom:none}
  .qv-specs li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:800}
  .qv-sku{font-size:12px;color:var(--muted);letter-spacing:.4px;margin-bottom:16px}
  .qv-buy{display:flex;gap:12px;align-items:center;margin-top:auto;flex-wrap:wrap}
  .qv-qty{display:flex;align-items:center;border:1.5px solid var(--line);border-radius:8px;overflow:hidden}
  .qv-qty button{width:38px;height:44px;border:none;background:#fff;font-size:18px;font-weight:700;color:var(--navy);cursor:pointer;transition:.2s}
  .qv-qty button:hover{background:var(--bg-soft)}
  .qv-qty input{width:46px;height:44px;border:none;border-left:1.5px solid var(--line);border-right:1.5px solid var(--line);text-align:center;font-size:15px;font-weight:700;color:var(--navy);font-family:inherit}
  .qv-qty input:focus{outline:none}
  .qv-buy .btn{flex:1;min-width:170px;text-align:center}
  .qv-trust{display:flex;gap:16px;flex-wrap:wrap;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
  .qv-trust span{display:flex;align-items:center;gap:5px}

  /* ---------- Category cards clickable ---------- */
  .cat-card{cursor:pointer;transition:.25s}
  .cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--blue)}

  /* ---------- Products filter bar ---------- */
  .filter-bar{display:none;align-items:center;justify-content:center;gap:14px;margin:-18px 0 36px;flex-wrap:wrap}
  .filter-bar.show{display:flex}
  .filter-tag{background:#e8f0fe;color:var(--blue);font-weight:700;font-size:13.5px;padding:8px 18px;border-radius:999px}
  .filter-bar .btn{padding:8px 18px;font-size:13.5px;border:1.5px solid var(--line);background:#fff;color:var(--muted);border-radius:999px}
  .filter-bar .btn:hover{border-color:var(--blue);color:var(--blue)}

  /* ---------- Cart Drawer ---------- */
  .cart-overlay{position:fixed;inset:0;background:rgba(15,31,61,.55);z-index:350;opacity:0;pointer-events:none;transition:.3s}
  .cart-overlay.open{opacity:1;pointer-events:auto}
  .cart-drawer{position:fixed;top:0;right:0;bottom:0;width:410px;max-width:94vw;background:#fff;z-index:360;transform:translateX(105%);transition:.34s cubic-bezier(.2,.8,.3,1);display:flex;flex-direction:column;box-shadow:-24px 0 60px rgba(15,31,61,.28)}
  .cart-drawer.open{transform:none}
  .cart-head{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}
  .cart-head h3{font-size:18px;color:var(--navy)}
  .cart-close{width:36px;height:36px;border-radius:50%;border:none;background:var(--bg-soft);color:var(--muted);font-size:20px;cursor:pointer;transition:.2s;display:grid;place-items:center;line-height:1}
  .cart-close:hover{background:var(--navy);color:#fff;transform:rotate(90deg)}
  .cart-items{flex:1;overflow-y:auto;padding:6px 22px}
  .cart-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);position:relative}
  .cart-item img{width:76px;height:76px;object-fit:contain;background:var(--bg-soft);border-radius:10px;padding:6px;flex-shrink:0}
  .ci-info{flex:1;min-width:0}
  .ci-info h4{font-size:14px;color:var(--navy);line-height:1.35;padding-right:22px}
  .ci-price{font-size:14.5px;font-weight:800;color:var(--blue);margin:5px 0 8px}
  .ci-qty{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:8px;overflow:hidden}
  .ci-qty button{width:30px;height:30px;border:none;background:#fff;font-size:15px;font-weight:700;color:var(--navy);cursor:pointer;transition:.2s}
  .ci-qty button:hover{background:var(--bg-soft)}
  .ci-qty span{min-width:34px;text-align:center;font-size:14px;font-weight:700;color:var(--navy);border-left:1.5px solid var(--line);border-right:1.5px solid var(--line);line-height:30px}
  .ci-remove{position:absolute;top:16px;right:0;width:26px;height:26px;border:none;background:transparent;color:#cbd5e1;font-size:18px;cursor:pointer;transition:.2s;line-height:1}
  .ci-remove:hover{color:#dc2626}
  .cart-empty{text-align:center;color:var(--muted);padding:60px 0;font-size:15px}
  .cart-foot{padding:16px 22px 20px;border-top:1px solid var(--line)}
  .ship-bar{font-size:13px;color:var(--muted);font-weight:600;margin-bottom:8px}
  .ship-bar.ok{color:#16a34a}
  .ship-track{height:6px;background:var(--bg-soft);border-radius:999px;margin-bottom:16px;overflow:hidden}
  .ship-fill{height:100%;background:linear-gradient(90deg,var(--blue),#22c55e);border-radius:999px;transition:.4s}
  .cart-total{display:flex;justify-content:space-between;align-items:baseline;font-size:17px;font-weight:800;color:var(--navy);margin-bottom:14px}
  .cart-total span:last-child{font-size:22px}
  @media(max-width:560px){
    .cart-drawer{width:100vw;max-width:100vw}
  }