.page-hero {
    position:relative; text-align:center; margin:0 0 2rem 0;
    background-image: linear-gradient(135deg, rgba(11,102,255,0.15), rgba(42,160,255,0.15)),
                      url('/static/hero/download.jpg');
    background-size:cover; background-position:center; border-radius:12px; color:#fff;
    min-height:320px; display:flex; align-items:center; overflow:hidden;
    box-shadow:0 12px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.08);
  }
  .page-hero::before {
    content:""; position:absolute; inset:0;
    background:linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.6) 100%); z-index:1;
  }
  .page-hero .hero-content { position:relative; z-index:2; width:100%;
    padding:3rem 1.5rem; max-width:900px; margin:0 auto; }
  .page-hero h1 { margin:0 0 1rem 0; font-size:2.75rem; font-weight:800;
    letter-spacing:-0.02em; text-shadow:0 2px 12px rgba(0,0,0,0.3); line-height:1.15; }
  .page-hero .hero-tagline { font-size:1.25rem; font-weight:500;
    color:rgba(255,255,255,0.98); max-width:64ch; margin:0 auto 1.5rem;
    text-shadow:0 1px 6px rgba(0,0,0,0.3); }
  .page-hero .hero-subtext { font-size:1rem; color:rgba(255,255,255,0.85);
    max-width:58ch; margin:0 auto; text-shadow:0 1px 4px rgba(0,0,0,0.25); }
  @media (max-width:768px) {
    .page-hero { min-height:260px; }
    .page-hero h1 { font-size:2rem; }
    .page-hero .hero-tagline { font-size:1.1rem; }
    .page-hero .hero-content { padding:2rem 1rem; }
  }

  .install-section { margin:0 0 2.5rem 0; }
  .install-section h2 { font-size:1.5rem; font-weight:700; margin:0 0 1rem 0; padding-bottom:0.5rem; border-bottom:2px solid rgba(11,102,255,0.15); }
  .install-section h3 { font-size:1.15rem; font-weight:600; margin:1.25rem 0 0.5rem 0; }

  .req-grid {
    display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:1rem; margin:1rem 0;
  }
  .req-card {
    border:1px solid rgba(15,23,42,0.1); border-radius:10px; padding:1rem 1.25rem;
    background:linear-gradient(180deg,#fff,#fafafa);
  }
  .req-card strong { display:block; margin-bottom:0.25rem; color:var(--brand,#0b66ff); }

  .step-list { counter-reset:steps; list-style:none; padding:0; margin:1rem 0; }
  .step-list li {
    counter-increment:steps; position:relative; padding:0.75rem 0 0.75rem 3rem;
    border-bottom:1px solid rgba(0,0,0,0.05);
  }
  .step-list li::before {
    content:counter(steps); position:absolute; left:0; top:0.65rem;
    width:2rem; height:2rem; background:var(--brand,#0b66ff); color:#fff;
    border-radius:50%; display:flex; align-items:center; justify-content:center;
    font-weight:700; font-size:0.9rem;
  }

  .info-box {
    background:linear-gradient(135deg,rgba(11,102,255,0.06),rgba(42,160,255,0.06));
    border-left:4px solid var(--brand,#0b66ff); border-radius:8px; padding:1rem 1.25rem;
    margin:1rem 0; font-size:0.95rem;
  }
  .info-box.warn {
    background:linear-gradient(135deg,rgba(245,158,11,0.08),rgba(251,191,36,0.08));
    border-left-color:#f59e0b;
  }

  .cmd-block {
    background:#1e1e2e; color:#cdd6f4; padding:0.85rem 1.25rem; border-radius:8px;
    font-family:monospace; font-size:0.9rem; overflow-x:auto; margin:0.75rem 0;
    border:1px solid rgba(255,255,255,0.08);
  }

  .data-table { width:100%; border-collapse:collapse; margin:1rem 0; font-size:0.95rem; }
  .data-table th, .data-table td { text-align:left; padding:0.6rem 0.75rem; border-bottom:1px solid rgba(0,0,0,0.08); }
  .data-table th { font-weight:600; color:var(--brand,#0b66ff); }
  .data-table code { background:rgba(0,0,0,0.05); padding:0.15rem 0.4rem; border-radius:4px; font-size:0.88rem; }

  .accordion-item { border:1px solid rgba(0,0,0,0.08); border-radius:8px; margin-bottom:0.75rem; overflow:hidden; }
  .accordion-header { padding:0.85rem 1.25rem; font-weight:600; cursor:pointer; display:flex; justify-content:space-between; align-items:center; background:#fafafa; }
  .accordion-header:hover { background:rgba(11,102,255,0.04); }
  .accordion-header::after { content:"+"; font-size:1.2rem; color:var(--brand,#0b66ff); }
  .accordion-body { padding:0 1.25rem 1rem; display:none; font-size:0.95rem; }
  .accordion-item.open .accordion-body { display:block; }
  .accordion-item.open .accordion-header::after { content:"\2212"; }

  .cta-section {
    background:linear-gradient(135deg, rgba(11,102,255,0.08), rgba(42,160,255,0.08));
    border-radius:10px; padding:1.75rem; margin:1.5rem 0 0; text-align:center;
  }
  .cta-section p { margin:0 0 1rem 0; color:var(--muted); }
  .cta-actions { margin-top:0.5rem; display:flex; gap:12px; flex-wrap:wrap; justify-content:center; }

  .platform-links { display:flex; gap:1rem; flex-wrap:wrap; margin:1rem 0; }
  .platform-links a {
    padding:0.5rem 1rem; border:1px solid rgba(11,102,255,0.2); border-radius:8px;
    text-decoration:none; color:var(--brand,#0b66ff); font-weight:600; font-size:0.95rem;
    transition:all 0.2s ease;
  }
  .platform-links a:hover { background:rgba(11,102,255,0.08); transform:translateY(-2px); }