.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:340px; 
    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::after { 
    content:""; 
    position:absolute; 
    bottom:-2px; 
    left:0; 
    right:0; 
    height:120px; 
    background:linear-gradient(180deg, transparent, rgba(0,0,0,0.3)); 
    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), 0 1px 3px rgba(0,0,0,0.5);
    line-height:1.15;
  }
  .page-hero .hero-tagline { 
    margin:0 0 1.5rem 0; 
    font-size:1.25rem; 
    font-weight:500;
    color:rgba(255,255,255,0.98); 
    max-width:64ch; 
    margin-left:auto; 
    margin-right:auto;
    text-shadow: 0 1px 6px rgba(0,0,0,0.3);
    line-height:1.5;
  }
  @media (max-width:768px) {
    .page-hero { min-height:280px; }
    .page-hero h1 { font-size:2rem; }
    .page-hero .hero-tagline { font-size:1.1rem; }
    .page-hero .hero-content { padding:2rem 1rem; }
  }

  .platform-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    flex-wrap: wrap;
  }
  .platform-nav a {
    padding: 0.5rem 1rem;
    background: rgba(11,102,255,0.05);
    border: 1px solid rgba(11,102,255,0.2);
    border-radius: 8px;
    text-decoration: none;
    color: var(--brand, #0b66ff);
    font-weight: 600;
    transition: all 0.2s ease;
  }
  .platform-nav a:hover {
    background: rgba(11,102,255,0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(11,102,255,0.15);
  }

  .download-grid { 
    display: flex;
    flex-direction: column;
    gap: 1.5rem; 
    margin-bottom: 2rem;
  }
  .download-card { 
    border: 1px solid rgba(15,23,42,0.1); 
    padding: 1.5rem; 
    border-radius: 12px; 
    background: linear-gradient(180deg, #fff, #fafafa);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
  }
  .download-card:hover {
    box-shadow: 0 8px 24px rgba(11,102,255,0.12);
    transform: translateY(-4px);
    border-color: rgba(11,102,255,0.2);
  }
  .download-card h3 { 
    margin: 0 0 1rem 0; 
    font-size: 1.4rem;
    color: var(--brand, #0b66ff);
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .download-card h3::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--brand, #0b66ff);
  }
  .download-meta { 
    display: flex; 
    flex-direction: column; 
    gap: 0.5rem; 
    margin-bottom: 1rem; 
    color: var(--muted); 
    font-size: 0.95rem;
  }
  .download-filename { 
    font-weight: 700; 
    color: var(--text); 
    word-break: break-all;
    font-size: 1rem;
  }
  .download-actions { 
    display: flex; 
    gap: 0.75rem; 
    align-items: center;
    flex-wrap: wrap;
  }
  .download-btn { 
    background: linear-gradient(135deg, var(--brand,#0b66ff), rgba(42,160,255,0.9));
    color: white; 
    border: none; 
    padding: 0.75rem 1.5rem; 
    border-radius: 8px; 
    text-decoration: none; 
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(11,102,255,0.2);
    transition: all 0.2s ease;
    cursor: pointer;
  }
  .download-btn:hover {
    box-shadow: 0 4px 16px rgba(11,102,255,0.35);
    transform: translateY(-2px);
  }
  .copy-btn {
    background: transparent;
    color: var(--brand, #0b66ff);
    border: 1px solid rgba(11,102,255,0.3);
    padding: 0.65rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
  }
  .copy-btn:hover {
    background: rgba(11,102,255,0.05);
    border-color: rgba(11,102,255,0.5);
  }
  .checksum { 
    background: #f7f7f7; 
    padding: 0.75rem; 
    border-radius: 8px; 
    font-family: monospace; 
    font-size: 0.85rem; 
    overflow: auto;
    border: 1px solid rgba(0,0,0,0.08);
  }
  .small { 
    font-size: 0.9rem; 
    color: var(--muted);
  }
  .verify-section {
    background: linear-gradient(135deg, rgba(11,102,255,0.05), rgba(42,160,255,0.05));
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
  }
  .verify-section h2 {
    margin: 0 0 1rem 0;
    font-size: 1.5rem;
  }
  .verify-section code {
    background: rgba(0,0,0,0.05);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: monospace;
  }

  .latest-badge {
    display: inline-block;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    letter-spacing: 0.03em;
    vertical-align: middle;
    margin-left: 0.5rem;
  }
  .release-date {
    font-size: 0.95rem;
    color: var(--muted);
    margin: 0 0 1rem 0;
    font-weight: 500;
  }
  .older-releases summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--brand, #0b66ff);
    padding: 0.6rem 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .older-releases summary::-webkit-details-marker { display: none; }
  .older-releases summary::before {
    content: "▸";
    display: inline-block;
    transition: transform 0.2s ease;
    font-size: 0.85rem;
  }
  .older-releases[open] summary::before {
    transform: rotate(90deg);
  }
  .older-releases .older-body {
    padding: 0.5rem 0 0.5rem 1.25rem;
    border-left: 2px solid rgba(11,102,255,0.12);
    margin-left: 0.25rem;
  }
  .file-count {
    font-size: 0.82rem;
    color: var(--muted);
    font-weight: 400;
  }