:root{
    --blue:#1a4fe0;
    --blue-deep:#0f3bb0;
    --blue-bright:#3b7cff;
    --cyan:#00b3ff;
    --ink:#08152f;
    --text:#3f5180;
    --muted:#5a6b91;
    --line:rgba(26,79,224,.12);
    --soft:#f1f6ff;
    --white:#ffffff;
    --radius:16px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.7;
    color:var(--ink);
    background-color:#f6f9ff;
    background-image:
      radial-gradient(900px 520px at 8% -6%, rgba(59,124,255,.20), transparent 62%),
      radial-gradient(760px 480px at 96% 10%, rgba(0,179,255,.14), transparent 62%),
      radial-gradient(900px 620px at 50% 100%, rgba(26,79,224,.10), transparent 66%);
    background-repeat:no-repeat;
    background-attachment:fixed;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;}
  a{color:var(--blue);}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
  section[id]{scroll-margin-top:88px;}

  /* ---------- Header ---------- */
  .site-header{
    position:sticky;top:0;z-index:200;
    background:rgba(255,255,255,.88);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(26,79,224,.10);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;}
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:18px;letter-spacing:.5px;flex:0 0 auto;}
  .brand .ai-page-logo{max-height:38px;width:auto;display:block;}
  .main-nav{flex:1 1 auto;display:flex;justify-content:center;}
  .nav-links{
    display:flex;
    align-items:center;
    gap:0;
    list-style:none;
    margin:0;
    padding:0;
  }
  .nav-links a{
    display:block;
    padding:8px 10px;
    font-size:14px;
    font-weight:500;
    color:#213055;
    text-decoration:none;
    border-radius:10px;
    white-space:nowrap;
    transition:color .2s ease, background .2s ease;
  }
  .nav-links a:hover{color:var(--blue);background:rgba(26,79,224,.08);}
  .header-actions{flex:0 0 auto;display:flex;align-items:center;gap:10px;}
  .nav-toggle{
    display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
    background:#fff;cursor:pointer;padding:10px;flex-direction:column;justify-content:space-between;
  }
  .nav-toggle span{display:block;height:2px;width:100%;background:var(--blue);border-radius:2px;transition:.25s;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 26px;border-radius:12px;font-size:15px;font-weight:700;
    text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit;
    transition:transform .18s ease, box-shadow .25s ease, background .25s ease, color .2s ease;
  }
  .btn-primary{
    background:linear-gradient(135deg,#2a5cf0,#0f3bb0);
    color:#fff;
    box-shadow:0 10px 24px rgba(26,79,224,.30);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(26,79,224,.38);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:#fff;color:var(--blue);border-color:rgba(26,79,224,.30);}
  .btn-ghost:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(26,79,224,.16);border-color:var(--blue);}
  .btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}

  /* ---------- Hero ---------- */
  .hero{padding:64px 0 28px;}
  .hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
    background:rgba(26,79,224,.10);color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.4px;
  }
  .hero h1{
    font-size:clamp(30px,4.2vw,46px);
    line-height:1.24;
    margin:18px 0 16px;
    letter-spacing:-.5px;
    color:var(--ink);
  }
  .hero-lead{font-size:16px;color:var(--text);margin:0;max-width:600px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
  .hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;list-style:none;padding:0;margin:26px 0 0;font-size:14px;color:var(--muted);}
  .hero-points li{display:flex;align-items:center;gap:8px;}
  .hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);flex:0 0 auto;}

  .hero-panel{
    background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;
    box-shadow:0 22px 54px rgba(20,50,120,.12);
    animation:floaty 7s ease-in-out infinite;
  }
  @keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}
  .hero-panel h2{font-size:15px;margin:0 0 6px;color:var(--ink);letter-spacing:.3px;}
  .panel-note{font-size:12.5px;color:#6a7a9e;margin:0 0 16px;}
  .chip-cloud{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;}
  .chip{
    font-size:12.5px;padding:5px 11px;border-radius:999px;background:var(--soft);
    color:#21406f;border:1px solid rgba(26,79,224,.14);
    transition:background .2s ease, color .2s ease, transform .2s ease, border-color .2s ease;
  }
  .chip:hover{background:var(--blue);color:#fff;border-color:var(--blue);transform:translateY(-2px);}

  .stat-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:44px;}
  .stat{
    background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;text-align:center;
    box-shadow:0 6px 18px rgba(20,50,120,.05);transition:transform .25s ease, box-shadow .25s ease;
  }
  .stat:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(26,79,224,.14);}
  .stat strong{display:block;font-size:26px;color:var(--blue);line-height:1.25;letter-spacing:-.5px;}
  .stat span{font-size:13px;color:var(--muted);}

  /* ---------- Sections ---------- */
  .section{padding:64px 0;}
  .section-head{max-width:780px;margin:0 auto 40px;text-align:center;}
  .section-head.left{text-align:left;margin-left:0;}
  .section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.35;margin:14px 0 12px;letter-spacing:.3px;color:var(--ink);}
  .section-head p{margin:0;font-size:15px;color:var(--text);}

  .grid{display:grid;gap:20px;}
  .grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

  .card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
    box-shadow:0 8px 24px rgba(20,50,120,.06);
    transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(20,50,120,.13);border-color:rgba(26,79,224,.26);}
  .card h3{margin:0 0 8px;font-size:17px;color:var(--ink);}
  .card p{margin:0;font-size:14px;color:var(--text);}

  /* ---------- About ---------- */
  .about-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:38px;align-items:start;}
  .about-copy p{margin:0 0 14px;font-size:15px;color:var(--text);}
  .about-copy p:last-child{margin-bottom:0;}
  .point-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;list-style:none;padding:0;margin:0;}
  .point-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 16px;transition:border-color .2s ease, transform .2s ease;}
  .point-item:hover{border-color:rgba(26,79,224,.30);transform:translateY(-2px);}
  .point-item h3{margin:0 0 4px;font-size:14px;color:var(--blue);}
  .point-item p{margin:0;font-size:13px;color:var(--muted);line-height:1.6;}

  /* ---------- Services ---------- */
  .service-num{
    width:36px;height:36px;border-radius:10px;
    background:linear-gradient(135deg,#2a5cf0,#0f3bb0);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
    margin-bottom:14px;letter-spacing:.5px;
  }

  /* ---------- Scenes ---------- */
  .scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
  .scene{
    background:#fff;border:1px solid var(--line);border-left:3px solid var(--blue);
    border-radius:12px;padding:16px 18px;
    transition:transform .22s ease, box-shadow .22s ease, border-left-color .22s ease;
  }
  .scene:hover{transform:translateX(4px);box-shadow:0 12px 26px rgba(26,79,224,.12);border-left-color:var(--cyan);}
  .scene h3{margin:0 0 4px;font-size:15px;color:var(--ink);}
  .scene p{margin:0;font-size:13px;color:var(--muted);line-height:1.6;}

  /* ---------- Industry / Network ---------- */
  .industry-card{border-top:4px solid var(--blue);}
  .industry-card h3{color:var(--blue);}

  .network-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
  .network-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;}
  .network-item h3{margin:0 0 6px;font-size:15px;color:var(--ink);display:flex;align-items:center;gap:8px;}
  .network-item h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(26,79,224,.14);}
  .network-item p{margin:0;font-size:13px;color:var(--muted);line-height:1.65;}

  /* ---------- Process ---------- */
  .step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .25s ease, box-shadow .25s ease;}
  .step:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(20,50,120,.12);}
  .step-no{font-size:12px;font-weight:800;color:var(--blue);letter-spacing:2px;}
  .step h3{margin:8px 0 8px;font-size:16px;color:var(--ink);}
  .step p{margin:0;font-size:13.5px;color:var(--muted);}

  /* ---------- Cases ---------- */
  .case-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(20,50,120,.06);transition:transform .25s ease, box-shadow .25s ease;}
  .case-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(20,50,120,.14);}
  .case-media{aspect-ratio:16/10;overflow:hidden;background:#eaf1ff;}
  .case-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;}
  .case-card:hover .case-media img{transform:scale(1.05);}
  .case-body{padding:18px 20px 22px;}
  .case-body h3{margin:0 0 6px;font-size:15.5px;color:var(--ink);}
  .case-body p{margin:0;font-size:13px;color:var(--muted);line-height:1.65;}

  /* ---------- Review ---------- */
  .review-hero{
    display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:center;
    background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;margin-bottom:24px;
    box-shadow:0 12px 30px rgba(20,50,120,.07);
  }
  .score-card{text-align:center;border-right:1px dashed rgba(26,79,224,.22);padding-right:24px;}
  .score-num{font-size:44px;font-weight:800;color:var(--blue);line-height:1;letter-spacing:-2px;}
  .score-num span{font-size:16px;font-weight:600;color:var(--muted);letter-spacing:0;}
  .stars{color:#f5a623;font-size:18px;letter-spacing:3px;margin:10px 0 6px;}
  .score-card p{margin:0;font-size:13.5px;color:var(--text);}
  .review-summary h3{margin:0 0 10px;font-size:18px;color:var(--ink);}
  .review-summary p{margin:0;font-size:14.5px;color:var(--text);}

  .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 8px 24px rgba(20,50,120,.06);}
  table{width:100%;border-collapse:collapse;min-width:760px;font-size:14px;}
  th,td{padding:14px 18px;text-align:left;border-bottom:1px solid #eef2fb;vertical-align:top;}
  thead th{background:#eaf2ff;color:var(--ink);font-weight:700;font-size:13.5px;white-space:nowrap;}
  tbody tr:last-child td{border-bottom:none;}
  tbody tr:hover{background:#f8fbff;}
  td.hl{color:var(--blue);font-weight:700;background:rgba(26,79,224,.045);}
  td:first-child{color:var(--ink);font-weight:600;}

  /* ---------- Token ---------- */
  .token-card h3{display:flex;align-items:center;gap:8px;color:var(--blue);}
  .token-card ul{margin:10px 0 0;padding-left:18px;font-size:13.5px;color:var(--muted);line-height:1.75;}
  .token-note{margin:20px 0 0;font-size:13px;color:var(--muted);text-align:center;}

  /* ---------- Form ---------- */
  .match-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start;}
  .match-info h3{margin:0 0 12px;font-size:19px;color:var(--ink);}
  .match-info p{margin:0 0 18px;font-size:14.5px;color:var(--text);}
  .contact-lines{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
  .contact-lines li{font-size:14px;color:var(--text);display:flex;flex-wrap:wrap;gap:6px;}
  .contact-lines li b{color:var(--ink);font-weight:600;min-width:76px;}
  .contact-lines li a{color:var(--blue);text-decoration:none;}
  .contact-lines li a:hover{text-decoration:underline;}

  .form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 16px 38px rgba(20,50,120,.09);}
  .form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px;color:#22325a;}
  .field input,.field select,.field textarea{
    width:100%;padding:11px 14px;border-radius:10px;border:1px solid #d9e3f7;background:#fbfdff;
    font-size:14px;color:var(--ink);font-family:inherit;
    transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
  }
  .field textarea{resize:vertical;min-height:110px;}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:#2a5cf0;background:#fff;box-shadow:0 0 0 3px rgba(42,92,240,.14);
  }
  .form-card .btn{width:100%;margin-top:6px;}
  .form-tip{margin:12px 0 0;font-size:12.5px;color:var(--muted);text-align:center;}

  /* ---------- Help ---------- */
  .help-card h3{display:flex;align-items:center;gap:9px;}
  .help-card h3::before{content:"";width:9px;height:9px;border-radius:3px;background:var(--blue);transform:rotate(45deg);}

  /* ---------- FAQ ---------- */
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease, box-shadow .2s ease;}
  .faq-item:hover{border-color:rgba(26,79,224,.28);}
  .faq-item[open]{box-shadow:0 12px 28px rgba(20,50,120,.10);border-color:rgba(26,79,224,.30);}
  .faq-item summary{
    cursor:pointer;padding:16px 20px;font-size:15px;font-weight:600;color:var(--ink);
    list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";font-size:20px;font-weight:400;color:var(--blue);line-height:1;flex:0 0 auto;
    transition:transform .25s ease;
  }
  .faq-item[open] summary::after{transform:rotate(45deg);}
  .faq-body{padding:0 20px 18px;font-size:14px;color:var(--text);}
  .faq-body p{margin:0;}

  /* ---------- Reviews ---------- */
  .review-card{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;
    display:flex;flex-direction:column;gap:14px;height:100%;
    transition:transform .25s ease, box-shadow .25s ease;
  }
  .review-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(20,50,120,.12);}
  .review-card p{margin:0;font-size:14px;color:var(--text);flex:1 1 auto;}
  .review-who{font-size:13px;font-weight:700;color:var(--blue);}
  .review-star{color:#f5a623;font-size:14px;letter-spacing:2px;}

  /* ---------- Articles ---------- */
  .article-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
  .article-list li a{
    display:flex;justify-content:space-between;align-items:center;gap:16px;
    padding:15px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;
    text-decoration:none;color:var(--ink);font-size:14.5px;
    transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  }
  .article-list li a:hover{transform:translateX(4px);border-color:var(--blue);box-shadow:0 12px 26px rgba(26,79,224,.12);}
  .article-list li a span{font-size:12.5px;color:var(--blue);white-space:nowrap;}

  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 0;padding:0;list-style:none;}
  .tag-cloud li{
    font-size:13px;padding:6px 14px;border-radius:999px;background:#fff;
    border:1px solid var(--line);color:#21406f;
    transition:background .2s ease, color .2s ease, border-color .2s ease;
  }
  .tag-cloud li:hover{background:var(--blue);color:#fff;border-color:var(--blue);}

  /* ---------- Contact ---------- */
  .contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:start;}
  .qr-box{
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center;
    box-shadow:0 10px 26px rgba(20,50,120,.07);
  }
  .qr-frame{width:170px;max-width:100%;margin:0 auto;border-radius:12px;overflow:hidden;background:#f6f9ff;border:1px solid var(--line);}
  .qr-frame img{display:block;width:100%;height:auto;}
  .qr-box p{margin:12px 0 0;font-size:13px;color:var(--muted);}

  .join-card{
    background:linear-gradient(135deg,#1a4fe0,#0f2f8f);
    border-radius:18px;padding:30px;color:#fff;
    box-shadow:0 20px 44px rgba(26,79,224,.30);
  }
  .join-card h3{margin:0 0 12px;font-size:19px;color:#fff;}
  .join-card p{margin:0 0 18px;font-size:14.5px;color:#e2ecff;}
  .join-card ul{margin:0 0 22px;padding-left:18px;font-size:14px;color:#e2ecff;line-height:1.85;}
  .join-card .btn{background:#fff;color:var(--blue);box-shadow:0 10px 24px rgba(0,0,0,.18);}
  .join-card .btn:hover{transform:translateY(-2px);color:var(--blue-deep);}

  /* ---------- Footer ---------- */
  .site-footer{
    background:linear-gradient(160deg,#0e2358,#081737);
    color:#c9d6ef;
    padding:48px 0 22px;
    margin-top:40px;
  }
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
  .footer-brand strong{display:block;font-size:18px;color:#fff;letter-spacing:.6px;margin-bottom:10px;}
  .footer-brand p{margin:0;font-size:13.5px;line-height:1.8;color:#a9bde3;}
  .footer-col h4{margin:0 0 14px;font-size:14.5px;color:#fff;font-weight:700;}
  .footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
  .footer-col ul li{font-size:13.5px;line-height:1.6;color:#a9bde3;}
  .footer-col ul li a{color:#c9d6ef;text-decoration:none;transition:color .2s ease;}
  .footer-col ul li a:hover{color:#8fb6ff;}
  .footer-links{
    margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;
  }
  .footer-links strong{color:#fff;font-size:13px;font-weight:700;}
  .footer-links a{color:#a9bde3;text-decoration:none;transition:color .2s ease;}
  .footer-links a:hover{color:#8fb6ff;}
  .footer-bottom{
    margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);
    font-size:12.5px;color:#8fa4cc;text-align:center;
  }

  /* ---------- Floats ---------- */
  .float-actions{position:fixed;right:18px;bottom:24px;display:flex;flex-direction:column;gap:10px;z-index:300;}
  .float-btn{
    width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;
    background:linear-gradient(135deg,#2a5cf0,#0f3bb0);color:#fff;font-size:15px;font-weight:700;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 10px 24px rgba(26,79,224,.34);
    transition:transform .2s ease, box-shadow .2s ease;
  }
  .float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(26,79,224,.42);}
  .float-btn svg{width:22px;height:22px;fill:#fff;}
  .service-pop{
    position:fixed;right:18px;bottom:132px;width:210px;z-index:299;
    background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;text-align:center;
    box-shadow:0 22px 46px rgba(20,50,120,.22);
  }
  .service-pop img{display:block;width:100%;height:auto;border-radius:10px;}
  .service-pop p{margin:10px 0 0;font-size:12.5px;color:var(--text);}

  /* ---------- Reveal ---------- */
  .reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease, transform .65s ease;}
  .reveal.is-visible{opacity:1;transform:none;}

  /* ---------- Responsive ---------- */
  @media (max-width:1120px){
    .nav-toggle{display:flex;}
    .main-nav{
      position:absolute;left:0;right:0;top:100%;
      background:#fff;border-bottom:1px solid var(--line);
      box-shadow:0 18px 32px rgba(20,50,120,.12);
      display:none;
      padding:12px 20px 18px;
    }
    .main-nav.is-open{display:block;}
    .nav-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 10px;width:100%;}
    .nav-links a{padding:10px 12px;font-size:14.5px;background:#f5f9ff;}
  }
  @media (max-width:980px){
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .hero-panel{animation:none;}
    .about-wrap{grid-template-columns:1fr;gap:26px;}
    .match-wrap{grid-template-columns:1fr;gap:26px;}
    .contact-grid{grid-template-columns:1fr;gap:26px;}
    .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .network-list{grid-template-columns:repeat(2,minmax(0,1fr));}
    .review-hero{grid-template-columns:1fr;text-align:center;}
    .score-card{border-right:none;border-bottom:1px dashed rgba(26,79,224,.22);padding:0 0 20px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
    .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (max-width:720px){
    .section{padding:52px 0;}
    .hero{padding:44px 0 20px;}
    .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
    .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
    .scene-grid{grid-template-columns:1fr;}
    .network-list{grid-template-columns:1fr;}
    .point-list{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
  }
  @media (max-width:420px){
    .brand span{font-size:16px;}
    .hero-actions .btn{width:100%;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important;}
    .reveal{opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }