:root{
      --blue-900:#0a1f6e;
      --blue-800:#0d2a8a;
      --blue-700:#1237b0;
      --blue-600:#1a4bd4;
      --blue-500:#2f6bff;
      --blue-400:#5b8dff;
      --blue-100:#eaf1ff;
      --blue-50:#f4f8ff;
      --gold:#ffb400;
      --ink:#12213f;
      --ink-2:#3b4a68;
      --muted:#6b7a99;
      --line:#e2e9f7;
      --white:#ffffff;
      --bg:#f6f9ff;
      --shadow-sm:0 4px 14px rgba(18,55,176,.08);
      --shadow-md:0 10px 30px rgba(18,55,176,.12);
      --shadow-lg:0 20px 50px rgba(10,31,110,.16);
      --radius:16px;
    }
    *{margin:0;padding:0;box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",-apple-system,"Segoe UI",Roboto,sans-serif;
      color:var(--ink);
      background:var(--bg);
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    img{max-width:100%;height:auto;display:block;}
    a{color:inherit;text-decoration:none;}
    ul{list-style:none;}
    .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
    section{padding:84px 0;position:relative;}
    .section-head{text-align:center;max-width:820px;margin:0 auto 52px;}
    .eyebrow{
      display:inline-block;
      font-size:13px;
      letter-spacing:2px;
      font-weight:700;
      color:var(--blue-600);
      background:var(--blue-100);
      padding:6px 16px;
      border-radius:999px;
      margin-bottom:16px;
    }
    .section-head h2{
      font-size:34px;
      line-height:1.3;
      color:var(--blue-900);
      letter-spacing:.5px;
      margin-bottom:14px;
    }
    .section-head p{color:var(--muted);font-size:16px;}

    /* ---------- Buttons ---------- */
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      font-size:16px;
      font-weight:600;
      padding:14px 30px;
      border-radius:999px;
      cursor:pointer;
      border:2px solid transparent;
      transition:transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
      color:#fff;
      box-shadow:0 8px 24px rgba(47,107,255,.35);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(47,107,255,.48);}
    .btn-primary:active{transform:translateY(0);}
    .btn-ghost{
      background:transparent;
      color:#fff;
      border-color:rgba(255,255,255,.55);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-3px);}
    .btn-outline{
      background:#fff;
      color:var(--blue-700);
      border-color:var(--blue-300,#c7d8ff);
      box-shadow:var(--shadow-sm);
    }
    .btn-outline:hover{background:var(--blue-50);transform:translateY(-3px);box-shadow:var(--shadow-md);}
    .btn-gold{
      background:linear-gradient(135deg,#ffc93c,var(--gold));
      color:#3a2600;
      box-shadow:0 8px 24px rgba(255,180,0,.35);
    }
    .btn-gold:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(255,180,0,.45);}

    /* ---------- Header ---------- */
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(10,31,110,.97);
      backdrop-filter:blur(10px);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      height:72px;
      gap:24px;
    }
    .brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
    .brand .ai-page-logo{width:auto;height:44px;object-fit:contain;}
    .brand-name{color:#fff;font-weight:800;font-size:19px;letter-spacing:1px;line-height:1.2;}
    .brand-name small{display:block;font-size:11px;font-weight:400;color:#a9bdff;letter-spacing:2px;}
    .nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;justify-content:flex-end;}
    .nav-links li{position:relative;}
    .nav-links a{
      display:block;
      color:#dce6ff;
      font-size:14px;
      font-weight:500;
      padding:10px 12px;
      border-radius:8px;
      transition:color .2s, background .2s;
    }
    .nav-links a:hover{color:#fff;background:rgba(255,255,255,.1);}
    .nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0;}
    .nav-cta .btn{padding:9px 20px;font-size:14px;}
    .menu-toggle{
      display:none;
      background:transparent;
      border:1px solid rgba(255,255,255,.35);
      border-radius:8px;
      width:44px;height:44px;
      cursor:pointer;
      flex-direction:column;
      justify-content:center;
      align-items:center;
      gap:5px;
    }
    .menu-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s;}
    .menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
    .menu-toggle.active span:nth-child(2){opacity:0;}
    .menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
    .mobile-panel{
      display:none;
      background:var(--blue-900);
      border-top:1px solid rgba(255,255,255,.1);
      padding:12px 20px 24px;
    }
    .mobile-panel.open{display:block;}
    .mobile-panel a{
      display:block;
      color:#dce6ff;
      padding:11px 8px;
      font-size:15px;
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .mobile-panel a:hover{color:#fff;background:rgba(255,255,255,.06);}

    /* ---------- Hero (NO images) ---------- */
    .hero{
      position:relative;
      padding:90px 0 96px;
      background:
        radial-gradient(1200px 600px at 80% -10%, rgba(47,107,255,.55), transparent 60%),
        radial-gradient(900px 500px at 5% 110%, rgba(91,141,255,.35), transparent 60%),
        linear-gradient(135deg,#071a55 0%, var(--blue-800) 45%, var(--blue-700) 100%);
      overflow:hidden;
      color:#fff;
    }
    .hero::before{
      content:"";
      position:absolute;inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:56px 56px;
      mask-image:radial-gradient(circle at 50% 40%, #000 30%, transparent 78%);
      -webkit-mask-image:radial-gradient(circle at 50% 40%, #000 30%, transparent 78%);
      pointer-events:none;
    }
    .hero-blob{
      position:absolute;
      border-radius:50%;
      filter:blur(60px);
      opacity:.55;
      pointer-events:none;
      animation:floaty 9s ease-in-out infinite;
    }
    .hero-blob.b1{width:320px;height:320px;background:#2f6bff;top:-80px;right:-60px;}
    .hero-blob.b2{width:220px;height:220px;background:#00d0ff;bottom:-70px;left:-40px;animation-delay:2s;}
    .hero-blob.b3{width:150px;height:150px;background:#7a5bff;top:40%;left:46%;animation-delay:4s;opacity:.35;}
    @keyframes floaty{
      0%,100%{transform:translateY(0) scale(1);}
      50%{transform:translateY(-26px) scale(1.06);}
    }
    .hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
    .hero-badge{
      display:inline-flex;align-items:center;gap:8px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.25);
      padding:7px 16px;border-radius:999px;
      font-size:13.5px;color:#e3ecff;font-weight:500;
      margin-bottom:22px;
    }
    .hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#4dffb8;box-shadow:0 0 0 4px rgba(77,255,184,.25);}
    .hero h1{
      font-size:48px;
      line-height:1.22;
      font-weight:800;
      letter-spacing:1px;
      margin-bottom:20px;
    }
    .hero h1 em{
      font-style:normal;
      background:linear-gradient(90deg,#6fd4ff,#9db9ff 50%,#ffd76b);
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .hero-sub{font-size:17px;color:#c9d8ff;max-width:600px;margin-bottom:30px;}
    .hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:36px;}
    .hero-stats{display:flex;flex-wrap:wrap;gap:32px;}
    .hero-stats .hs{display:flex;flex-direction:column;}
    .hero-stats .hs b{font-size:28px;color:#fff;font-weight:800;letter-spacing:.5px;}
    .hero-stats .hs span{font-size:13px;color:#a9bdff;}
    .hero-visual{position:relative;z-index:2;display:flex;flex-direction:column;gap:16px;}
    .glass-card{
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(10px);
      border-radius:16px;
      padding:20px 22px;
      transition:transform .3s ease, background .3s ease;
    }
    .glass-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.14);}
    .glass-card h4{font-size:15px;color:#fff;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
    .glass-card h4 .ico{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#2f6bff,#8a5bff);display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;}
    .glass-card p{font-size:13.5px;color:#b9cafd;line-height:1.6;}
    .chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}
    .chip{font-size:12px;color:#cfe0ff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:4px 10px;border-radius:999px;}

    /* ---------- Stats cards section ---------- */
    .stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:-56px;position:relative;z-index:5;}
    .stat-card{
      background:#fff;border-radius:var(--radius);padding:28px 24px;
      box-shadow:var(--shadow-md);border:1px solid var(--line);
      transition:transform .3s, box-shadow .3s;
    }
    .stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
    .stat-card .num{font-size:34px;font-weight:800;color:var(--blue-700);letter-spacing:.5px;line-height:1.1;}
    .stat-card .num small{font-size:16px;color:var(--muted);font-weight:600;margin-left:4px;}
    .stat-card .label{margin-top:8px;font-size:14px;color:var(--ink-2);font-weight:600;}
    .stat-card .desc{font-size:12.5px;color:var(--muted);margin-top:4px;}

    /* ---------- About / platform intro ---------- */
    .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
    .about-copy h2{font-size:34px;color:var(--blue-900);line-height:1.3;margin-bottom:18px;}
    .about-copy p{color:var(--ink-2);margin-bottom:16px;font-size:15.5px;}
    .about-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px;}
    .about-item{
      display:flex;gap:12px;align-items:flex-start;background:var(--blue-50);
      border:1px solid var(--line);border-radius:12px;padding:14px 16px;
      transition:transform .25s, box-shadow .25s;
    }
    .about-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);}
    .about-item .mi{
      flex-shrink:0;width:32px;height:32px;border-radius:9px;
      background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
      color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
    }
    .about-item b{display:block;font-size:14px;color:var(--blue-900);margin-bottom:2px;}
    .about-item span{font-size:12.5px;color:var(--muted);line-height:1.5;}
    .about-media{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
    .about-media img{border-radius:14px;box-shadow:var(--shadow-md);width:100%;height:100%;object-fit:cover;transition:transform .35s;}
    .about-media img:hover{transform:scale(1.03);}
    .about-media .wide{grid-column:1/-1;}

    /* ---------- Services ---------- */
    .service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
    .service-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      padding:28px 24px;position:relative;overflow:hidden;
      transition:transform .3s, box-shadow .3s, border-color .3s;
    }
    .service-card::after{
      content:"";position:absolute;left:0;top:0;height:4px;width:100%;
      background:linear-gradient(90deg,var(--blue-500),#8a5bff);opacity:0;transition:.3s;
    }
    .service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent;}
    .service-card:hover::after{opacity:1;}
    .service-icon{
      width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
      font-size:24px;color:#fff;margin-bottom:18px;
      background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
      box-shadow:0 8px 18px rgba(47,107,255,.28);
    }
    .service-card h3{font-size:18px;color:var(--blue-900);margin-bottom:10px;}
    .service-card p{font-size:13.8px;color:var(--muted);line-height:1.65;}

    /* ---------- One-stop workflow (timeline) ---------- */
    .timeline{position:relative;max-width:980px;margin:0 auto;}
    .timeline::before{
      content:"";position:absolute;left:26px;top:0;bottom:0;width:3px;
      background:linear-gradient(to bottom,var(--blue-400),var(--blue-100));
      border-radius:3px;
    }
    .tl-item{position:relative;padding-left:78px;margin-bottom:34px;}
    .tl-item:last-child{margin-bottom:0;}
    .tl-num{
      position:absolute;left:0;top:0;width:54px;height:54px;border-radius:50%;
      background:#fff;border:3px solid var(--blue-500);color:var(--blue-700);
      display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;
      box-shadow:var(--shadow-sm);z-index:2;
    }
    .tl-body{
      background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 24px;
      box-shadow:var(--shadow-sm);transition:transform .3s, box-shadow .3s;
    }
    .tl-body:hover{transform:translateX(6px);box-shadow:var(--shadow-md);}
    .tl-body h4{font-size:17px;color:var(--blue-900);margin-bottom:6px;}
    .tl-body p{font-size:14px;color:var(--muted);}

    /* ---------- Industry solutions ---------- */
    .industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
    .industry-card{
      border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);
      box-shadow:var(--shadow-sm);transition:transform .3s, box-shadow .3s;
      display:flex;flex-direction:column;
    }
    .industry-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
    .industry-card .ic-head{
      padding:24px 24px 18px;
      background:linear-gradient(135deg,var(--blue-50),#fff);
      border-bottom:1px solid var(--line);
    }
    .industry-card .ic-head h3{font-size:19px;color:var(--blue-900);margin-bottom:6px;}
    .industry-card .ic-head span{font-size:13px;color:var(--blue-600);font-weight:600;}
    .industry-card .ic-body{padding:20px 24px 26px;flex:1;}
    .industry-card .ic-body p{font-size:13.8px;color:var(--muted);margin-bottom:12px;}
    .tag-list{display:flex;flex-wrap:wrap;gap:8px;}
    .tag{font-size:12px;background:var(--blue-100);color:var(--blue-700);padding:4px 11px;border-radius:999px;font-weight:500;}

    /* ---------- Network ---------- */
    .network-wrap{
      background:linear-gradient(135deg,var(--blue-900),var(--blue-700));
      border-radius:24px;padding:56px 48px;color:#fff;
      position:relative;overflow:hidden;
    }
    .network-wrap::before{
      content:"";position:absolute;width:420px;height:420px;border-radius:50%;
      background:radial-gradient(circle,rgba(111,212,255,.35),transparent 70%);
      top:-120px;right:-100px;
    }
    .network-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2;}
    .net-item{
      background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
      border-radius:14px;padding:22px;transition:transform .3s, background .3s;
    }
    .net-item:hover{transform:translateY(-5px);background:rgba(255,255,255,.15);}
    .net-item b{display:block;font-size:16px;margin-bottom:6px;}
    .net-item span{font-size:13px;color:#c6d5ff;}

    /* ---------- Process steps ---------- */
    .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
    .step{
      background:#fff;border-radius:14px;padding:24px 18px;text-align:center;
      border:1px solid var(--line);box-shadow:var(--shadow-sm);
      transition:transform .3s, box-shadow .3s;
    }
    .step:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
    .step .sno{
      width:46px;height:46px;margin:0 auto 14px;border-radius:50%;
      background:var(--blue-100);color:var(--blue-700);font-weight:800;font-size:18px;
      display:flex;align-items:center;justify-content:center;
    }
    .step h4{font-size:15px;color:var(--blue-900);margin-bottom:6px;}
    .step p{font-size:12.8px;color:var(--muted);line-height:1.55;}

    /* ---------- Cases ---------- */
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
    .case-card{
      border-radius:var(--radius);overflow:hidden;background:#fff;
      border:1px solid var(--line);box-shadow:var(--shadow-sm);
      transition:transform .3s, box-shadow .3s;display:flex;flex-direction:column;
    }
    .case-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
    .case-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--blue-100);}
    .case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
    .case-card:hover .case-thumb img{transform:scale(1.06);}
    .case-info{padding:20px 22px 24px;}
    .case-info .cat{font-size:12px;color:var(--blue-600);font-weight:700;letter-spacing:1px;}
    .case-info h3{font-size:17px;color:var(--blue-900);margin:6px 0 8px;}
    .case-info p{font-size:13.5px;color:var(--muted);margin-bottom:14px;}
    .case-meta{display:flex;gap:18px;font-size:12.5px;color:var(--blue-700);font-weight:600;}
    .case-meta b{color:var(--blue-800);font-size:15px;}

    /* ---------- Review / comparison ---------- */
    .review-hero{
      background:#fff;border:1px solid var(--line);border-radius:20px;
      padding:36px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
      gap:24px;box-shadow:var(--shadow-md);margin-bottom:36px;
    }
    .review-score{display:flex;align-items:center;gap:20px;}
    .score-big{font-size:60px;font-weight:800;color:var(--blue-700);line-height:1;}
    .score-big small{font-size:20px;color:var(--muted);font-weight:600;}
    .score-meta .stars{color:var(--gold);font-size:22px;letter-spacing:3px;}
    .score-meta p{font-size:14px;color:var(--muted);margin-top:4px;}
    .review-hero .rh-title h3{font-size:22px;color:var(--blue-900);margin-bottom:6px;}
    .review-hero .rh-title p{font-size:14px;color:var(--muted);max-width:480px;}

    .table-wrap{overflow-x:auto;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff;}
    table{width:100%;border-collapse:collapse;min-width:760px;}
    thead th{
      background:linear-gradient(135deg,var(--blue-800),var(--blue-600));
      color:#fff;font-size:14.5px;font-weight:600;padding:16px 18px;text-align:left;white-space:nowrap;
    }
    thead th:first-child{border-top-left-radius:0;}
    tbody td{padding:15px 18px;font-size:14px;color:var(--ink-2);border-bottom:1px solid var(--line);vertical-align:top;}
    tbody tr:nth-child(even){background:var(--blue-50);}
    tbody tr:hover{background:var(--blue-100);}
    td .yes{color:#12a05a;font-weight:700;}
    td .no{color:#c0392b;font-weight:600;}
    td.highlight{color:var(--blue-700);font-weight:700;}

    /* ---------- Token price reference ---------- */
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
    .price-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      padding:30px 26px;box-shadow:var(--shadow-sm);transition:transform .3s, box-shadow .3s;
      display:flex;flex-direction:column;
    }
    .price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
    .price-card.featured{border:2px solid var(--blue-500);position:relative;}
    .price-card.featured::before{
      content:"推荐";position:absolute;top:18px;right:-1px;
      background:var(--gold);color:#3a2600;font-size:12px;font-weight:700;
      padding:4px 14px;border-radius:999px 0 0 999px;
    }
    .price-card h3{font-size:18px;color:var(--blue-900);margin-bottom:6px;}
    .price-card .p-desc{font-size:13px;color:var(--muted);margin-bottom:18px;}
    .price-tag{font-size:32px;font-weight:800;color:var(--blue-700);margin-bottom:4px;}
    .price-tag small{font-size:14px;color:var(--muted);font-weight:600;}
    .price-card ul{margin:18px 0 22px;flex:1;}
    .price-card ul li{font-size:13.6px;color:var(--ink-2);padding:7px 0 7px 24px;position:relative;}
    .price-card ul li::before{
      content:"✓";position:absolute;left:0;top:7px;color:var(--blue-500);font-weight:700;
    }

    /* ---------- Reviews (users) ---------- */
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
    .review-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .3s, box-shadow .3s;
      display:flex;flex-direction:column;
    }
    .review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
    .review-stars{color:var(--gold);font-size:16px;letter-spacing:2px;margin-bottom:14px;}
    .review-text{font-size:14.2px;color:var(--ink-2);line-height:1.75;flex:1;margin-bottom:18px;}
    .review-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px;}
    .avatar{
      width:44px;height:44px;border-radius:50%;flex-shrink:0;
      background:linear-gradient(135deg,var(--blue-500),#8a5bff);
      color:#fff;font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:center;
    }
    .review-user b{display:block;font-size:14px;color:var(--blue-900);}
    .review-user span{font-size:12.5px;color:var(--muted);}

    /* ---------- FAQ ---------- */
    .faq-list{max-width:920px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
    .faq-item{
      background:#fff;border:1px solid var(--line);border-radius:14px;
      overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .3s;
    }
    .faq-item:hover{box-shadow:var(--shadow-md);}
    .faq-q{
      width:100%;text-align:left;background:none;border:none;cursor:pointer;
      padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
      font-size:16px;font-weight:600;color:var(--blue-900);font-family:inherit;
    }
    .faq-icon{
      flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--blue-100);
      color:var(--blue-700);display:flex;align-items:center;justify-content:center;
      font-size:18px;font-weight:700;transition:transform .3s, background .3s, color .3s;
    }
    .faq-item.active .faq-icon{transform:rotate(45deg);background:var(--blue-600);color:#fff;}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
    .faq-a-inner{padding:0 24px 22px;font-size:14.2px;color:var(--muted);line-height:1.75;}

    /* ---------- Articles ---------- */
    .article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
    .article-card{
      background:#fff;border:1px solid var(--line);border-radius:14px;
      padding:26px 28px;box-shadow:var(--shadow-sm);transition:transform .3s, box-shadow .3s;
      display:flex;flex-direction:column;
    }
    .article-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);}
    .article-card .a-tag{font-size:12px;color:var(--blue-600);font-weight:700;letter-spacing:1px;margin-bottom:10px;}
    .article-card h3{font-size:18px;color:var(--blue-900);margin-bottom:10px;line-height:1.45;}
    .article-card p{font-size:13.8px;color:var(--muted);margin-bottom:16px;flex:1;}
    .article-card a.readmore{font-size:14px;font-weight:600;color:var(--blue-700);transition:color .2s;}
    .article-card a.readmore:hover{color:var(--blue-500);}
    .article-feed{margin-top:36px;text-align:center;font-size:14px;color:var(--muted);}
    .article-feed a{color:var(--blue-700);font-weight:600;margin:0 6px;}
    .article-feed a:hover{text-decoration:underline;}

    /* ---------- Tags cloud & encyclopedia ---------- */
    .tag-cloud{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:1040px;margin:0 auto;}
    .tag-cloud a{
      padding:9px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);
      font-size:13.5px;color:var(--ink-2);box-shadow:var(--shadow-sm);
      transition:transform .2s, background .2s, color .2s, border-color .2s;
    }
    .tag-cloud a:hover{transform:translateY(-3px);background:var(--blue-600);color:#fff;border-color:var(--blue-600);}

    /* ---------- Demand matching form ---------- */
    .form-wrap{
      display:grid;grid-template-columns:1fr 1.15fr;gap:0;border-radius:22px;overflow:hidden;
      box-shadow:var(--shadow-lg);background:#fff;
    }
    .form-side{
      background:linear-gradient(150deg,var(--blue-900),var(--blue-700));
      color:#fff;padding:48px 42px;position:relative;overflow:hidden;
    }
    .form-side::before{
      content:"";position:absolute;width:300px;height:300px;border-radius:50%;
      background:radial-gradient(circle,rgba(111,212,255,.35),transparent 70%);
      bottom:-100px;right:-80px;
    }
    .form-side h3{font-size:26px;margin-bottom:16px;position:relative;z-index:2;}
    .form-side p{font-size:14.5px;color:#c6d5ff;margin-bottom:26px;position:relative;z-index:2;}
    .form-side ul{position:relative;z-index:2;}
    .form-side ul li{
      font-size:14px;color:#dce6ff;padding:10px 0 10px 26px;position:relative;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .form-side ul li::before{content:"◆";position:absolute;left:0;top:10px;color:#6fd4ff;font-size:11px;}
    .form-main{padding:48px 44px;}
    .form-main h3{font-size:24px;color:var(--blue-900);margin-bottom:8px;}
    .form-main > p{font-size:14px;color:var(--muted);margin-bottom:26px;}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
    .form-group{display:flex;flex-direction:column;gap:7px;}
    .form-group.full{grid-column:1/-1;}
    .form-group label{font-size:13.5px;font-weight:600;color:var(--ink-2);}
    .form-group label .req{color:#e74c3c;}
    .form-group input,.form-group select,.form-group textarea{
      width:100%;font-family:inherit;font-size:14.5px;color:var(--ink);
      padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;
      background:var(--blue-50);transition:border-color .2s, box-shadow .2s, background .2s;
      outline:none;
    }
    .form-group input:focus,.form-group select:focus,.form-group textarea:focus{
      border-color:var(--blue-500);background:#fff;box-shadow:0 0 0 4px rgba(47,107,255,.12);
    }
    .form-group textarea{resize:vertical;min-height:110px;}
    .form-submit{width:100%;margin-top:8px;}
    .form-note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center;}

    /* ---------- Contact ---------- */
    .contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;}
    .contact-card{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:36px 34px;
      box-shadow:var(--shadow-sm);
    }
    .contact-card h3{font-size:22px;color:var(--blue-900);margin-bottom:22px;}
    .contact-line{
      display:flex;align-items:flex-start;gap:14px;padding:14px 0;
      border-bottom:1px solid var(--line);font-size:14.5px;
    }
    .contact-line:last-child{border-bottom:none;}
    .contact-line .ci{
      flex-shrink:0;width:38px;height:38px;border-radius:10px;background:var(--blue-100);
      color:var(--blue-700);display:flex;align-items:center;justify-content:center;font-size:17px;
    }
    .contact-line b{display:block;font-size:13px;color:var(--muted);font-weight:500;margin-bottom:2px;}
    .contact-line span{color:var(--ink);font-weight:600;font-size:15px;word-break:break-all;}
    .contact-line a{color:var(--blue-700);}
    .contact-line a:hover{text-decoration:underline;}
    .qr-box{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:32px;
      box-shadow:var(--shadow-sm);text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;
    }
    .qr-box img{width:200px;border-radius:12px;margin-bottom:16px;box-shadow:var(--shadow-sm);}
    .qr-box b{font-size:16px;color:var(--blue-900);margin-bottom:4px;}
    .qr-box span{font-size:13px;color:var(--muted);}

    /* ---------- Join / franchise ---------- */
    .join-wrap{
      background:linear-gradient(135deg,var(--blue-900) 0%,var(--blue-700) 60%,#2f6bff 100%);
      border-radius:24px;padding:60px 48px;color:#fff;position:relative;overflow:hidden;
      display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center;
    }
    .join-wrap::before{
      content:"";position:absolute;width:400px;height:400px;border-radius:50%;
      background:radial-gradient(circle,rgba(255,215,107,.28),transparent 70%);
      top:-140px;right:-80px;
    }
    .join-copy{position:relative;z-index:2;}
    .join-copy h2{font-size:32px;margin-bottom:16px;line-height:1.3;}
    .join-copy p{font-size:15px;color:#c6d5ff;margin-bottom:26px;max-width:560px;}
    .join-points{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
    .join-points span{
      font-size:13.5px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
      padding:8px 16px;border-radius:999px;
    }
    .join-actions{display:flex;flex-wrap:wrap;gap:16px;position:relative;z-index:2;}
    .join-badge{
      position:relative;z-index:2;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
      border-radius:18px;padding:32px 28px;text-align:center;
    }
    .join-badge .jb-num{font-size:44px;font-weight:800;color:#ffd76b;line-height:1;}
    .join-badge .jb-label{font-size:14px;color:#dce6ff;margin-top:8px;}

    /* ---------- Footer ---------- */
    .site-footer{
      background:#071a4a;color:#a9bdff;padding:64px 0 26px;font-size:14px;
    }
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px;}
    .footer-brand .brand{margin-bottom:16px;}
    .footer-brand .brand-name{color:#fff;font-size:18px;}
    .footer-brand p{font-size:13.5px;line-height:1.8;color:#93a7d6;max-width:320px;margin-bottom:16px;}
    .footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
    .footer-col ul li{margin-bottom:10px;}
    .footer-col ul a{font-size:13.5px;color:#93a7d6;transition:color .2s;}
    .footer-col ul a:hover{color:#fff;}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.1);padding-top:24px;
      display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
      font-size:12.5px;color:#7d92c4;
    }
    .footer-bottom a{color:#a9bdff;}
    .footer-bottom a:hover{color:#fff;}

    /* ---------- Floating service ---------- */
    .float-service{position:fixed;right:22px;bottom:90px;z-index:1200;display:flex;flex-direction:column;gap:12px;}
    .float-service a,.float-service button{
      width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
      background:linear-gradient(135deg,var(--blue-500),var(--blue-700));
      color:#fff;display:flex;align-items:center;justify-content:center;
      font-size:20px;box-shadow:0 8px 20px rgba(47,107,255,.4);
      transition:transform .25s, box-shadow .25s;position:relative;
    }
    .float-service a:hover,.float-service button:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 12px 28px rgba(47,107,255,.55);}
    .float-service .fs-tip{
      position:absolute;right:62px;top:50%;transform:translateY(-50%) scale(.9);
      background:#12213f;color:#fff;font-size:12.5px;padding:6px 12px;border-radius:8px;
      white-space:nowrap;opacity:0;pointer-events:none;transition:.25s;
    }
    .float-service a:hover .fs-tip,.float-service button:hover .fs-tip{opacity:1;transform:translateY(-50%) scale(1);}
    .backtop{
      position:fixed;right:22px;bottom:24px;z-index:1200;
      width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
      background:#fff;color:var(--blue-700);font-size:20px;font-weight:700;
      box-shadow:var(--shadow-md);display:flex;align-items:center;justify-content:center;
      opacity:0;visibility:hidden;transition:opacity .3s, visibility .3s, transform .3s;
    }
    .backtop.show{opacity:1;visibility:visible;}
    .backtop:hover{transform:translateY(-4px);}

    /* ---------- Scroll reveal ---------- */
    .reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease, transform .7s ease;}
    .reveal.visible{opacity:1;transform:translateY(0);}

    /* ---------- Responsive ---------- */
    @media (max-width:1080px){
      .hero h1{font-size:38px;}
      .hero-grid{grid-template-columns:1fr;gap:40px;}
      .hero-visual{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
      .service-grid{grid-template-columns:repeat(2,1fr);}
      .stat-cards{grid-template-columns:repeat(2,1fr);margin-top:-40px;}
      .steps{grid-template-columns:repeat(3,1fr);}
      .network-grid{grid-template-columns:repeat(2,1fr);}
      .about-grid{grid-template-columns:1fr;gap:36px;}
      .industry-grid{grid-template-columns:repeat(2,1fr);}
      .case-grid{grid-template-columns:repeat(2,1fr);}
      .review-grid{grid-template-columns:repeat(2,1fr);}
      .footer-grid{grid-template-columns:1fr 1fr;}
    }
    @media (max-width:900px){
      .nav-links,.nav-cta .btn{display:none;}
      .menu-toggle{display:flex;}
      .form-wrap{grid-template-columns:1fr;}
      .contact-grid{grid-template-columns:1fr;}
      .join-wrap{grid-template-columns:1fr;padding:44px 30px;}
      .article-grid{grid-template-columns:1fr;}
      .price-grid{grid-template-columns:1fr;}
    }
    @media (max-width:720px){
      section{padding:60px 0;}
      .section-head h2{font-size:26px;}
      .hero{padding:60px 0 80px;}
      .hero h1{font-size:31px;}
      .hero-sub{font-size:15.5px;}
      .hero-visual{grid-template-columns:1fr;}
      .hero-stats{gap:22px;}
      .hero-stats .hs b{font-size:23px;}
      .stat-cards{grid-template-columns:1fr 1fr;gap:14px;margin-top:-30px;}
      .stat-card{padding:20px 18px;}
      .stat-card .num{font-size:26px;}
      .service-grid{grid-template-columns:1fr;}
      .industry-grid{grid-template-columns:1fr;}
      .case-grid{grid-template-columns:1fr;}
      .review-grid{grid-template-columns:1fr;}
      .steps{grid-template-columns:1fr 1fr;}
      .network-grid{grid-template-columns:1fr;}
      .about-list{grid-template-columns:1fr;}
      .about-media{grid-template-columns:1fr;}
      .form-main{padding:32px 24px;}
      .form-side{padding:36px 26px;}
      .form-row{grid-template-columns:1fr;}
      .review-hero{padding:26px;flex-direction:column;align-items:flex-start;}
      .review-hero .rh-title{text-align:left;}
      .footer-grid{grid-template-columns:1fr;gap:28px;}
      .float-service{right:14px;bottom:80px;}
      .backtop{right:14px;bottom:20px;}
      .network-wrap{padding:36px 24px;}
      .join-wrap{padding:36px 24px;}
      .join-copy h2{font-size:25px;}
      .tl-item{padding-left:64px;}
      .tl-num{width:46px;height:46px;font-size:16px;}
      .timeline::before{left:22px;}
    }
    @media (max-width:480px){
      .hero h1{font-size:27px;}
      .hero-actions .btn{width:100%;}
      .stat-cards{grid-template-columns:1fr;}
      .steps{grid-template-columns:1fr;}
      .review-score{gap:14px;}
      .score-big{font-size:46px;}
      .brand .ai-page-logo{height:36px;}
      .brand-name{font-size:16px;}
    }