* { margin: 0; padding: 0; box-sizing: border-box; }
  body { font-family: 'Helvetica Neue', Arial, sans-serif; background: #0d1420; color: #cdd6e4; line-height: 1.7; }
  .container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
  img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
  section { padding: 52px 0; }

  /* ===== Effect 1: hero title glow ===== */
  .glow-text {
    color: #b9f7dc;
    text-shadow: 0 0 12px rgba(142,240,192,.65), 0 0 34px rgba(142,240,192,.35);
    animation: breathe 4s ease-in-out infinite;
  }
  @keyframes breathe {
    0%, 100% { text-shadow: 0 0 12px rgba(142,240,192,.6), 0 0 34px rgba(142,240,192,.3); }
    50% { text-shadow: 0 0 18px rgba(142,240,192,.9), 0 0 52px rgba(142,240,192,.5); }
  }

  /* ===== Effect 2: hero image aura ===== */
  .hero-img { filter: drop-shadow(0 0 26px rgba(142,240,192,.38)) drop-shadow(0 0 70px rgba(142,240,192,.16)); }

  /* ===== Effect 3: twinkling stars (pure CSS, decorative only) ===== */
  .star-field { position: relative; height: 0; }
  .tw { position: absolute; width: 4px; height: 4px; border-radius: 50%; background: #8ef0c0; opacity: .9; animation: twinkle 2.8s ease-in-out infinite; }
  .tw:nth-child(1) { top: -46px; left: 8%; animation-delay: 0s; }
  .tw:nth-child(2) { top: -60px; left: 24%; animation-delay: .9s; width: 3px; height: 3px; }
  .tw:nth-child(3) { top: -38px; left: 47%; animation-delay: 1.6s; }
  .tw:nth-child(4) { top: -66px; left: 71%; animation-delay: .4s; width: 3px; height: 3px; }
  .tw:nth-child(5) { top: -44px; left: 90%; animation-delay: 2.1s; }
  @keyframes twinkle { 0%,100% { opacity:.25; transform:scale(.8);} 50% { opacity:1; transform:scale(1.15);} }

  .hero { text-align: center; padding: 56px 0 40px; background: radial-gradient(ellipse at 50% 0%, rgba(142,240,192,.10) 0%, rgba(13,20,32,0) 55%); }
  .hero h1 { font-size: 30px; font-weight: 700; margin: 26px 0 12px; letter-spacing: .5px; }
  .hero p { font-size: 16px; color: #93a0b4; max-width: 720px; margin: 0 auto; }

  /* ===== Effect 4: glowing section divider ===== */
  .sec-title { font-size: 24px; font-weight: 700; text-align: center; margin-bottom: 8px; color: #e2f5ec; }
  .sec-title span { background: linear-gradient(90deg, #8ef0c0, #5cc8a0); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
  .sec-sub { text-align: center; color: #8494ab; font-size: 14px; margin-bottom: 34px; }
  .sec-line { width: 64px; height: 2px; margin: 14px auto 0; background: linear-gradient(90deg, transparent, #8ef0c0, transparent); box-shadow: 0 0 10px rgba(142,240,192,.7); }

  .two-col { display: flex; gap: 32px; align-items: center; flex-wrap: wrap; }
  .two-col .img { flex: 1 1 40%; }
  .two-col .txt { flex: 1 1 50%; }
  .txt h3 { font-size: 20px; color: #e6eef7; margin-bottom: 12px; }
  .txt p { margin-bottom: 12px; color: #9aa8bd; }
  .txt ul { list-style: none; }
  .txt ul li { padding: 6px 0 6px 22px; position: relative; color: #9aa8bd; }
  .txt ul li::before { content: "鉁?; color: #8ef0c0; position: absolute; left: 0; top: 6px; font-size: 13px; text-shadow: 0 0 8px rgba(142,240,192,.8); }

  /* ===== Effect 5: hover glow on craft cards ===== */
  .craft-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 24px; }
  .craft-card { border: 1px solid #243147; border-radius: 10px; padding: 20px; background: #111b2b; transition: box-shadow .3s ease, border-color .3s ease, transform .3s ease; }
  .craft-card:hover { border-color: rgba(142,240,192,.55); box-shadow: 0 0 18px rgba(142,240,192,.22), inset 0 0 12px rgba(142,240,192,.05); transform: translateY(-3px); }
  .craft-card h4 { color: #b9f7dc; font-size: 16px; margin-bottom: 6px; }
  .craft-card p { font-size: 13px; color: #8494ab; }

  /* ===== Glow demo module ===== */
  .demo-wrap { display: flex; gap: 32px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
  .demo-wrap .img { flex: 1 1 44%; }
  .demo-wrap .txt { flex: 1 1 48%; }
  .demo-card { border: 1px solid rgba(142,240,192,.4); border-radius: 14px; padding: 28px; background: linear-gradient(160deg, #0b111e 0%, #132238 100%); box-shadow: 0 0 34px rgba(142,240,192,.14), inset 0 0 30px rgba(142,240,192,.05); }
  .demo-card .demo-title { font-size: 18px; font-weight: 700; color: #b9f7dc; text-shadow: 0 0 10px rgba(142,240,192,.6); margin-bottom: 10px; }
  .demo-card p { font-size: 14px; color: #9aa8bd; }
  .demo-step { display: flex; gap: 12px; margin-top: 14px; align-items: flex-start; }
  .demo-step .n { flex: 0 0 26px; height: 26px; border-radius: 50%; background: rgba(142,240,192,.14); border: 1px solid rgba(142,240,192,.55); color: #b9f7dc; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; box-shadow: 0 0 10px rgba(142,240,192,.35); }
  .demo-step b { color: #e2f5ec; }
  .demo-step span { font-size: 13px; color: #93a0b4; }

  table.spec { width: 100%; border-collapse: collapse; margin-top: 20px; }
  table.spec th, table.spec td { border: 1px solid #243147; padding: 12px 16px; text-align: left; font-size: 14px; }
  table.spec th { background: #131f33; color: #b9f7dc; font-weight: 600; width: 35%; }
  table.spec td { color: #9aa8bd; }

  .app-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 24px; }
  .app-item { text-align: center; }
  .app-item img { margin-bottom: 10px; }
  .app-item h4 { font-size: 15px; color: #e6eef7; }
  .app-item p { font-size: 13px; color: #8494ab; }

  .why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 24px; }
  .why-card { background: #111b2b; border: 1px solid #243147; border-radius: 10px; padding: 20px; text-align: center; transition: box-shadow .3s ease, border-color .3s ease; }
  .why-card:hover { border-color: rgba(142,240,192,.55); box-shadow: 0 0 18px rgba(142,240,192,.2); }
  .why-card .num { font-size: 28px; font-weight: 700; color: #8ef0c0; text-shadow: 0 0 12px rgba(142,240,192,.5); }
  .why-card h4 { font-size: 14px; color: #e6eef7; margin: 6px 0 4px; }
  .why-card p { font-size: 13px; color: #8494ab; }

  .cta { background: linear-gradient(135deg, #123a2e 0%, #0f2b46 100%); border: 1px solid rgba(142,240,192,.45); color: #e2f5ec; text-align: center; border-radius: 12px; padding: 36px 20px; margin-top: 40px; box-shadow: 0 0 30px rgba(142,240,192,.18); }
  .cta h3 { font-size: 22px; margin-bottom: 8px; text-shadow: 0 0 12px rgba(142,240,192,.5); }
  .cta p { font-size: 14px; color: #9ab8ac; }

  .faq-wrap { max-width: 760px; margin: 0 auto; }
  details { border: 1px solid #243147; border-radius: 8px; margin-bottom: 10px; background: #111b2b; overflow: hidden; transition: border-color .3s ease; }
  details[open] { border-color: rgba(142,240,192,.5); box-shadow: 0 0 14px rgba(142,240,192,.12); }
  summary { cursor: pointer; padding: 14px 18px; font-weight: 600; font-size: 15px; color: #e6eef7; list-style: none; position: relative; padding-right: 40px; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-size: 20px; color: #8ef0c0; text-shadow: 0 0 8px rgba(142,240,192,.7); }
  details[open] summary::after { content: "?; }
  details .ans { padding: 0 18px 16px; font-size: 14px; color: #9aa8bd; }

  .footer { text-align: center; padding: 28px 0; font-size: 13px; color: #5d6b80; border-top: 1px solid #1a2638; }
  @media (max-width: 640px) { .hero h1 { font-size: 22px; } .sec-title { font-size: 20px; } }