:root{
    --green:#16d26a;
    --green-dark:#0aa94f;
    --green-soft:#e8fbf0;
    --green-line:#bdf0d3;
    --ink:#10241b;
    --ink-2:#3c4a43;
    --ink-3:#6a7a72;
    --bg:#f4fbf6;
    --card:#ffffff;
    --radius:18px;
    --shadow:0 10px 30px rgba(16,60,38,.08);
    --shadow-hover:0 16px 40px rgba(16,80,45,.16);
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    background:
      radial-gradient(circle at 12% 0%,rgba(22,210,106,.14),transparent 42%),
      radial-gradient(circle at 88% 18%,rgba(22,210,106,.10),transparent 40%),
      var(--bg);
    color:var(--ink);
    line-height:1.7;
    font-size:16px;
    -webkit-font-smoothing:antialiased;
  }
  a{text-decoration:none;color:inherit;}
  img{display:block;max-width:100%;height:auto;}
  .container{width:100%;max-width:1180px;margin:0 auto;padding:0 22px;}
  section{padding:64px 0;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.08em;
    color:var(--green-dark);background:var(--green-soft);
    border:1px solid var(--green-line);border-radius:999px;
    padding:5px 14px;margin-bottom:16px;
  }
  .eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);}
  h1,h2,h3{color:var(--ink);line-height:1.3;letter-spacing:-.01em;}
  h1{font-size:clamp(28px,4.6vw,50px);font-weight:800;}
  h2{font-size:clamp(23px,3vw,34px);font-weight:800;}
  h3{font-size:clamp(17px,2vw,20px);font-weight:700;}
  .section-head{max-width:720px;margin-bottom:34px;}
  .section-head p{color:var(--ink-2);margin-top:12px;font-size:15.5px;}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:13px 26px;border-radius:12px;font-weight:700;font-size:15px;
    border:1px solid transparent;cursor:pointer;transition:.25s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:linear-gradient(135deg,var(--green),var(--green-dark));
    color:#04210f;box-shadow:0 8px 20px rgba(22,210,106,.32);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(22,210,106,.42);}
  .btn-ghost{
    background:#fff;color:var(--ink);border-color:#d7e6dc;
  }
  .btn-ghost:hover{border-color:var(--green);color:var(--green-dark);transform:translateY(-2px);}

  /* ===== Header ===== */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.88);
    backdrop-filter:blur(12px);
    border-bottom:1px solid #e4f1e9;
  }
  .nav-inner{
    display:flex;align-items:center;justify-content:space-between;
    gap:16px;min-height:68px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .brand .ai-page-logo{width:auto;max-height:40px;}
  .brand-text{font-weight:800;font-size:18px;color:var(--ink);}
  .brand-text small{display:block;font-size:11px;color:var(--ink-3);font-weight:600;letter-spacing:.14em;}
  .nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
  .nav-links a{
    font-size:14.5px;font-weight:600;color:var(--ink-2);
    padding:8px 11px;border-radius:8px;transition:.2s;
  }
  .nav-links a:hover{color:var(--green-dark);background:var(--green-soft);}
  .nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .nav-cta .btn{padding:10px 18px;font-size:14px;}
  .menu-toggle{
    display:none;background:#fff;border:1px solid #d7e6dc;border-radius:10px;
    width:42px;height:42px;cursor:pointer;align-items:center;justify-content:center;
  }
  .menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
  .menu-toggle span::before,.menu-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
  }
  .menu-toggle span::before{top:-6px;}
  .menu-toggle span::after{top:6px;}

  /* ===== Hero ===== */
  .hero{
    position:relative;overflow:hidden;
    padding:72px 0 80px;
    background:
      radial-gradient(circle at 78% 12%,rgba(22,210,106,.22),transparent 46%),
      radial-gradient(circle at 8% 82%,rgba(22,210,106,.16),transparent 50%),
      linear-gradient(160deg,#f2fdf6 0%,#e9fbef 55%,#f7fef9 100%);
  }
  .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
  .hero h1{margin:6px 0 18px;}
  .hero h1 .hl{
    color:var(--green-dark);
    border-bottom:4px solid var(--green);
    padding-bottom:2px;
  }
  .hero-lead{font-size:16.5px;color:var(--ink-2);max-width:560px;margin-bottom:26px;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
  .hero-tags{display:flex;flex-wrap:wrap;gap:9px;}
  .hero-tags span{
    font-size:13px;font-weight:600;color:var(--ink-2);
    background:#fff;border:1px solid #dcefe3;border-radius:999px;
    padding:6px 13px;
  }
  .hero-panel{
    background:rgba(255,255,255,.86);
    border:1px solid #d9f0e3;border-radius:24px;
    padding:24px;box-shadow:var(--shadow);
    position:relative;overflow:hidden;
  }
  .hero-panel::after{
    content:"";position:absolute;inset:auto -60px -70px auto;
    width:180px;height:180px;border-radius:50%;
    background:radial-gradient(circle,rgba(22,210,106,.28),transparent 70%);
  }
  .panel-title{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--green-dark);margin-bottom:16px;}
  .model-list{display:flex;flex-wrap:wrap;gap:8px;position:relative;z-index:1;}
  .model-list span{
    font-size:12.5px;font-weight:600;color:var(--ink-2);
    background:var(--green-soft);border:1px solid var(--green-line);
    border-radius:8px;padding:5px 10px;
  }
  .panel-note{
    margin-top:18px;padding-top:16px;border-top:1px dashed #d5ebdf;
    font-size:13.5px;color:var(--ink-3);position:relative;z-index:1;
  }
  .panel-note b{color:var(--green-dark);}

  /* ===== Metrics ===== */
  .metrics{padding:0 0 8px;}
  .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
  .metric-card{
    background:#fff;border:1px solid #e2f1e8;border-radius:var(--radius);
    padding:22px 20px;box-shadow:var(--shadow);transition:.3s;
  }
  .metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--green-line);}
  .metric-card strong{display:block;font-size:clamp(24px,3vw,32px);color:var(--green-dark);font-weight:800;line-height:1.2;}
  .metric-card span{font-size:14px;color:var(--ink-2);font-weight:600;}

  /* ===== Cards / Services ===== */
  .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .service-card{
    background:#fff;border:1px solid #e4f1e9;border-radius:var(--radius);
    padding:24px;box-shadow:var(--shadow);transition:.3s;
    display:flex;flex-direction:column;gap:10px;
  }
  .service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--green-line);}
  .service-card .ico{
    width:42px;height:42px;border-radius:12px;
    background:linear-gradient(135deg,var(--green),var(--green-dark));
    color:#04210f;display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:16px;
  }
  .service-card p{font-size:14.5px;color:var(--ink-2);}
  .service-card .more{font-size:13.5px;font-weight:700;color:var(--green-dark);margin-top:auto;}

  /* ===== Scenario chips grid ===== */
  .scenario-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
  .scenario{
    background:#fff;border:1px solid #e4f1e9;border-radius:14px;
    padding:14px 16px;font-size:14px;font-weight:600;color:var(--ink-2);
    display:flex;align-items:center;gap:9px;transition:.25s;
  }
  .scenario::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--green);flex-shrink:0;}
  .scenario:hover{border-color:var(--green-line);background:var(--green-soft);transform:translateY(-3px);}

  /* ===== Platform intro ===== */
  .intro-cover{grid-column:1/-1;background:linear-gradient(135deg,#e6fbf0,#ffffff);border:1px solid var(--green-line);border-radius:20px;padding:22px;box-shadow:var(--shadow);}
  .intro-cover h3{color:var(--ink);margin-bottom:8px;}
  .intro-cover p{color:var(--ink-2);font-size:14.5px;}
  .about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start;}
  .about-text p{color:var(--ink-2);font-size:15.5px;margin-bottom:14px;}
  .about-list{list-style:none;display:grid;gap:12px;}
  .about-list li{
    background:#fff;border:1px solid #e4f1e9;border-radius:14px;
    padding:14px 16px;font-size:14.5px;color:var(--ink-2);
    display:flex;gap:12px;align-items:flex-start;transition:.25s;
  }
  .about-list li:hover{border-color:var(--green-line);transform:translateX(4px);}
  .about-list b{color:var(--ink);display:block;font-size:15px;}
  .about-list .dot{
    width:26px;height:26px;border-radius:8px;flex-shrink:0;
    background:var(--green-soft);color:var(--green-dark);
    display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
  }

  /* ===== Timeline / Steps ===== */
  .steps{position:relative;display:grid;gap:16px;}
  .step{
    display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
    background:#fff;border:1px solid #e4f1e9;border-radius:16px;
    padding:20px 22px;box-shadow:var(--shadow);transition:.3s;
  }
  .step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .step-num{
    width:48px;height:48px;border-radius:14px;
    background:linear-gradient(135deg,var(--green),var(--green-dark));
    color:#04210f;display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:19px;
  }
  .step h3{margin-bottom:5px;}
  .step p{font-size:14.5px;color:var(--ink-2);}

  /* ===== Compare table ===== */
  .score-card{
    display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:26px;
  }
  .score-item{
    background:#fff;border:1px solid #e4f1e9;border-radius:16px;
    padding:20px;box-shadow:var(--shadow);text-align:center;
  }
  .score-item strong{display:block;font-size:30px;font-weight:800;color:var(--green-dark);line-height:1.2;}
  .score-item span{font-size:13.5px;color:var(--ink-3);font-weight:600;}
  .stars{color:#f5a623;letter-spacing:3px;font-size:18px;}
  .table-scroll{overflow-x:auto;border-radius:16px;border:1px solid #e4f1e9;background:#fff;box-shadow:var(--shadow);}
  table{width:100%;border-collapse:collapse;min-width:680px;font-size:14.5px;}
  thead th{
    background:var(--green-soft);color:var(--ink);font-weight:800;
    text-align:left;padding:15px 18px;border-bottom:1px solid var(--green-line);
    white-space:nowrap;
  }
  tbody td{padding:14px 18px;border-bottom:1px solid #eef7f1;color:var(--ink-2);vertical-align:top;}
  tbody tr:last-child td{border-bottom:none;}
  tbody tr:hover{background:#f7fdf9;}
  tbody td:first-child{font-weight:700;color:var(--ink);}
  .badge-good{color:var(--green-dark);font-weight:700;}

  /* ===== Reviews ===== */
  .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .review-card{
    background:#fff;border:1px solid #e4f1e9;border-radius:var(--radius);
    padding:24px;box-shadow:var(--shadow);transition:.3s;display:flex;flex-direction:column;gap:12px;
  }
  .review-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
  .review-stars{color:#f5a623;letter-spacing:2px;font-size:14px;}
  .review-card p{font-size:14.5px;color:var(--ink-2);}
  .review-user{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid #eef7f1;}
  .avatar{
    width:38px;height:38px;border-radius:50%;flex-shrink:0;
    background:linear-gradient(135deg,var(--green),var(--green-dark));
    color:#04210f;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
  }
  .review-user b{display:block;font-size:14px;color:var(--ink);}
  .review-user span{font-size:12.5px;color:var(--ink-3);}

  /* ===== Cases ===== */
  .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .case-card{
    background:#fff;border:1px solid #e4f1e9;border-radius:var(--radius);
    overflow:hidden;box-shadow:var(--shadow);transition:.3s;
  }
  .case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);}
  .case-media{width:100%;aspect-ratio:4/3;background:#eef8f2;overflow:hidden;}
  .case-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
  .case-card:hover .case-media img{transform:scale(1.05);}
  .case-body{padding:18px 20px 22px;}
  .case-body h3{margin-bottom:6px;}
  .case-body p{font-size:14px;color:var(--ink-2);}

  /* ===== Articles ===== */
  .article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
  .article-item{
    background:#fff;border:1px solid #e4f1e9;border-radius:14px;
    padding:18px 20px;display:flex;align-items:center;justify-content:space-between;
    gap:14px;box-shadow:var(--shadow);transition:.25s;
  }
  .article-item:hover{transform:translateX(4px);border-color:var(--green-line);}
  .article-item b{font-size:15px;color:var(--ink);font-weight:700;}
  .article-item span{font-size:12.5px;color:var(--ink-3);display:block;margin-top:2px;}
  .article-item .arrow{
    width:32px;height:32px;border-radius:10px;background:var(--green-soft);
    color:var(--green-dark);display:flex;align-items:center;justify-content:center;
    font-weight:800;flex-shrink:0;transition:.25s;
  }
  .article-item:hover .arrow{background:var(--green);color:#04210f;}

  /* ===== Token price ===== */
  .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .price-card{
    background:#fff;border:1px solid #e4f1e9;border-radius:var(--radius);
    padding:26px 24px;box-shadow:var(--shadow);transition:.3s;display:flex;flex-direction:column;gap:12px;
  }
  .price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--green-line);}
  .price-card.featured{background:linear-gradient(160deg,#ecfbf2,#ffffff);border-color:var(--green);}
  .price-card .tier{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--green-dark);}
  .price-card .amount{font-size:28px;font-weight:800;color:var(--ink);line-height:1.2;}
  .price-card .amount small{font-size:13px;font-weight:600;color:var(--ink-3);}
  .price-card ul{list-style:none;display:grid;gap:8px;}
  .price-card li{font-size:14px;color:var(--ink-2);padding-left:18px;position:relative;}
  .price-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--green);}

  /* ===== Network / tags ===== */
  .network{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
  .network-item{
    background:#fff;border:1px solid #e4f1e9;border-radius:14px;
    padding:16px;text-align:center;box-shadow:var(--shadow);transition:.25s;
  }
  .network-item:hover{transform:translateY(-4px);border-color:var(--green-line);}
  .network-item b{display:block;font-size:15px;color:var(--ink);}
  .network-item span{font-size:13px;color:var(--ink-3);}
  .tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}
  .tag-cloud span{
    font-size:13px;font-weight:600;color:var(--ink-2);
    background:#fff;border:1px solid #e0efe6;border-radius:999px;padding:6px 14px;transition:.22s;
  }
  .tag-cloud span:hover{background:var(--green-soft);border-color:var(--green-line);color:var(--green-dark);}

  /* ===== FAQ ===== */
  .faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
  .faq-item{background:#fff;border:1px solid #e4f1e9;border-radius:14px;box-shadow:var(--shadow);overflow:hidden;}
  .faq-q{
    width:100%;background:none;border:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;font-size:15.5px;font-weight:700;color:var(--ink);
    text-align:left;font-family:inherit;transition:.2s;
  }
  .faq-q:hover{color:var(--green-dark);}
  .faq-q .plus{
    width:26px;height:26px;border-radius:8px;flex-shrink:0;
    background:var(--green-soft);color:var(--green-dark);
    display:flex;align-items:center;justify-content:center;font-weight:800;
    transition:transform .3s ease,background .3s;
  }
  .faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--green);color:#04210f;}
  .faq-a{
    max-height:0;overflow:hidden;transition:max-height .35s ease;
  }
  .faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);}

  /* ===== Form ===== */
  .form-wrap{
    display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start;
  }
  .form-info h2{margin-bottom:14px;}
  .form-info p{color:var(--ink-2);font-size:15.5px;margin-bottom:18px;}
  .contact-list{list-style:none;display:grid;gap:12px;}
  .contact-list li{
    background:#fff;border:1px solid #e4f1e9;border-radius:14px;
    padding:14px 18px;font-size:14.5px;color:var(--ink-2);
    display:flex;align-items:center;gap:12px;
  }
  .contact-list b{color:var(--ink);font-weight:700;}
  .contact-list .dot{
    width:30px;height:30px;border-radius:9px;background:var(--green-soft);
    color:var(--green-dark);display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:13px;flex-shrink:0;
  }
  form{
    background:#fff;border:1px solid #e4f1e9;border-radius:20px;
    padding:26px;box-shadow:var(--shadow);display:grid;gap:16px;
  }
  .field{display:grid;gap:7px;}
  .field label{font-size:14px;font-weight:700;color:var(--ink);}
  .field input,.field select,.field textarea{
    width:100%;font-family:inherit;font-size:14.5px;color:var(--ink);
    background:#f9fdfb;border:1px solid #dbece2;border-radius:11px;
    padding:12px 14px;transition:.2s;outline:none;
  }
  .field input:focus,.field select:focus,.field textarea:focus{
    border-color:var(--green);background:#fff;box-shadow:0 0 0 3px rgba(22,210,106,.14);
  }
  .field textarea{min-height:110px;resize:vertical;}
  .row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  form .btn{width:100%;padding:14px;}

  /* ===== Footer ===== */
  .site-footer{
    background:#0d2418;color:#cfe4d8;
    padding:52px 0 24px;margin-top:20px;
  }
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;}
  .footer-brand .brand-text{color:#fff;}
  .footer-brand .brand-text small{color:#8fb9a3;}
  .footer-brand p{font-size:14px;color:#a9c9b8;margin-top:14px;max-width:300px;}
  .footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:800;}
  .footer-col a,.footer-col span{display:block;font-size:13.5px;color:#a9c9b8;margin-bottom:9px;transition:.2s;}
  .footer-col a:hover{color:var(--green);}
  .footer-links{display:flex;flex-wrap:wrap;gap:8px 14px;}
  .footer-links a{font-size:13px;color:#a9c9b8;}
  .footer-links a:hover{color:var(--green);}
  .footer-bottom{
    margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
    display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
    font-size:12.5px;color:#8fb9a3;
  }
  .footer-qr{display:flex;align-items:center;gap:12px;margin-top:6px;}
  .footer-qr img{width:78px;height:78px;object-fit:cover;border-radius:10px;border:2px solid rgba(255,255,255,.14);}
  .footer-qr span{font-size:12.5px;color:#a9c9b8;}

  /* ===== Floating ===== */
  .float-actions{
    position:fixed;right:18px;bottom:22px;z-index:80;
    display:flex;flex-direction:column;gap:10px;
  }
  .float-btn{
    width:48px;height:48px;border-radius:14px;border:none;cursor:pointer;
    background:#fff;color:var(--green-dark);font-weight:800;font-size:13px;
    box-shadow:0 8px 22px rgba(16,80,45,.2);
    display:flex;align-items:center;justify-content:center;transition:.25s;
  }
  .float-btn.primary{background:linear-gradient(135deg,var(--green),var(--green-dark));color:#04210f;}
  .float-btn:hover{transform:translateY(-3px);}
  .kefu-pop{
    position:fixed;right:78px;bottom:22px;z-index:81;
    background:#fff;border:1px solid #e4f1e9;border-radius:16px;
    padding:14px;box-shadow:0 16px 40px rgba(16,80,45,.22);
    display:none;text-align:center;
  }
  .kefu-pop.show{display:block;animation:pop .25s ease;}
  .kefu-pop img{width:140px;height:140px;object-fit:cover;border-radius:10px;margin:0 auto 8px;}
  .kefu-pop span{font-size:12.5px;color:var(--ink-3);}
  @keyframes pop{from{opacity:0;transform:translateY(8px) scale(.96);}to{opacity:1;transform:none;}}

  /* ===== Animations ===== */
  .reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease;}
  .reveal.in{opacity:1;transform:none;}
  .hero-panel{animation:floaty 6s ease-in-out infinite;}
  @keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-8px);}}

  /* ===== Responsive ===== */
  @media(max-width:1024px){
    .hero-grid,.about-grid,.form-wrap{grid-template-columns:1fr;}
    .card-grid,.review-grid,.case-grid,.price-grid{grid-template-columns:repeat(2,1fr);}
    .scenario-wrap{grid-template-columns:repeat(3,1fr);}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .metric-grid{grid-template-columns:repeat(2,1fr);}
    .network{grid-template-columns:repeat(3,1fr);}
    .nav-links{display:none;position:absolute;top:100%;left:0;right:0;
      background:#fff;border-bottom:1px solid #e4f1e9;
      padding:12px 22px;flex-direction:column;align-items:flex-start;
      box-shadow:0 14px 30px rgba(16,60,38,.1);}
    .nav-links.open{display:flex;}
    .nav-links a{padding:10px 6px;width:100%;}
    .menu-toggle{display:flex;}
    .nav-cta .btn-primary{display:none;}
  }
  @media(max-width:768px){
    section{padding:46px 0;}
    .card-grid,.review-grid,.case-grid,.price-grid,.article-list{grid-template-columns:1fr;}
    .scenario-wrap{grid-template-columns:repeat(2,1fr);}
    .score-card{grid-template-columns:1fr;}
    .network{grid-template-columns:repeat(2,1fr);}
    .row-2{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .hero{padding:48px 0 56px;}
    .article-item{padding:16px;}
    .table-scroll{overflow-x:auto;}
  }
  @media(max-width:480px){
    .scenario-wrap{grid-template-columns:1fr;}
    .metric-grid{grid-template-columns:1fr;}
    .hero-actions{flex-direction:column;align-items:stretch;}
    .hero-actions .btn{width:100%;}
  }