:root {
      --blue: #00b4fa;
      --sand: #e7d7b6;
      --bg-dark: #10151b;
      --card-bg: #192332e6;
      --shine-grad: linear-gradient(90deg, #fff 8%, #00b4fa 60%, #23e6ff 98%);
    }
    body {
      margin: 0;
      padding: 0;
      font-family: 'Share Tech Mono', monospace;
      background: var(--bg-dark);
      color: var(--sand);
      min-height: 100vh;
      overflow-x: hidden;
    }
    .centered-logo {
      text-align: center;
      margin-top: 46px;
      margin-bottom: 0;
    }
    .centered-logo img {
      max-width: 245px;
      width: 42vw;
      filter: drop-shadow(0 0 34px #00b4fa) drop-shadow(0 0 16px #00b4fa77);
      border-radius: 33px;
      background: #232c33cc;
      transition: transform .35s cubic-bezier(.7,1.65,.55,.85);
      animation: logo-float 3.8s ease-in-out infinite;
    }
    @keyframes logo-float {
      0%,100% { transform: translateY(0px) scale(1);}
      35% { transform: translateY(-19px) scale(1.04);}
      55% { transform: translateY(6px) scale(0.99);}
      80% { transform: translateY(-9px) scale(1.03);}
    }
    .main-participate-flex {
      max-width: 1200px;
      margin: 32px auto 0 auto;
      display: flex;
      align-items: stretch;
      gap: 60px;
      flex-wrap: wrap;
      padding: 0 4vw 54px 4vw;
    }
    .participate-content {
      flex: 2;
      min-width: 340px;
      max-width: 650px;
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      height: auto;
    }
    .image-section-align {
      flex: 1.1;
      display: flex;
      flex-direction: column;
      align-items: stretch;
      justify-content: flex-start;
      padding: 0;
      margin: 0;
      background: none;
      border: none;
      box-shadow: none;
      /* Height will be set by JS to match participate-content */
    }
    .image-stack-aligner {
      display: flex;
      flex-direction: column;
      height: 100%;
      justify-content: space-between;
      gap: 18px;
    }
    .gallery-img-vertical {
      width: 100%;
      flex: 1 1 0;
      object-fit: cover;
      border-radius: 20px;
      box-shadow: 0 4px 32px #00b4fa22, 0 6px 20px #00315533;
      border: none;
      opacity: 0;
      transform: translateX(70px) scale(0.98);
      filter: grayscale(0.18) blur(0.5px) brightness(0.99);
      transition: opacity 1.1s cubic-bezier(.5,1.7,.4,1), transform 1.05s cubic-bezier(.4,1.7,.4,1), filter 1.05s;
      background: #162b39;
      margin: 0 0;
      position: relative;
      min-height: 100px;
    }
    .gallery-img-vertical.visible {
      opacity: 1;
      transform: translateX(0) scale(1.03);
      filter: none;
      z-index: 1;
    }
    .gallery-img-vertical:not(.visible) {
      opacity: 0;
      transform: translateX(70px) scale(0.98);
      filter: grayscale(0.18) blur(0.5px) brightness(0.99);
      z-index: 0;
    }
    @media (max-width: 1100px) {
      .main-participate-flex { flex-direction: column; gap: 28px;}
      .image-section-align { margin: 0 auto; width: 100%; }
      .gallery-img-vertical { max-width: 99vw; min-height: 100px;}
      .image-stack-aligner { height: auto; }
    }
    @media (max-width: 700px) {
      .features-grid { grid-template-columns: 1fr; }
      .image-section-align { max-width: 100vw; }
      .gallery-img-vertical { min-height: 140px; max-height: 40vh; width: 100vw; }
      .image-stack-aligner { gap: 16px; }
    }
    .hero-title {
      font-size: 2.18rem;
      font-weight: bold;
      background: var(--shine-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: 1.2px;
      text-shadow: 0 2px 18px #22213866, 0 0 8px #00b4fa88;
      text-align: left;
      margin-bottom: 12px;
      text-transform: uppercase;
    }
    .network-info-line {
      color: #fff;
      background: linear-gradient(90deg,#161d29 60%,#202b3e 100%);
      border: 2px solid #00b4fa;
      border-radius: 13px;
      font-size: 1.11em;
      padding: 12px 22px;
      box-shadow: 0 0 20px #00b4fa30;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 13px;
      font-weight: bold;
      letter-spacing: 0.8px;
    }
    .network-info-line i {
      color: #00b4fa;
      font-size: 1.5em;
      margin-right: 8px;
      filter: drop-shadow(0 2px 8px #00b4fa99);
    }
    .features-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin: 18px 0 23px 0;
    }
    .feature-card {
      background: #222b36e9;
      border-radius: 13px;
      box-shadow: 0 4px 20px #00b4fa22;
      border: 1.6px solid #00b4fa44;
      padding: 18px 13px 13px 13px;
      color: #fff;
      font-weight: bold;
      font-size: 1.01em;
      display: flex;
      align-items: flex-start;
      gap: 12px;
      min-height: 90px;
    }
    .feature-card i {
      font-size: 1.35em;
      color: #00b4fa;
      margin-top: 4px;
      filter: drop-shadow(0 2px 8px #00b4fa44);
      flex-shrink: 0;
    }
    .feature-card strong {
      color: #00b4fa;
      display: block;
      margin-bottom: 2px;
      font-size: 1.06em;
    }
    .highlight-block {
      background: var(--card-bg);
      border-radius: 18px;
      box-shadow: 0 0 28px #00b4fa22;
      border: 2.2px solid #00b4fa66;
      padding: 24px 18px 18px 18px;
      margin: 30px 0 23px 0;
      font-size: 1.10em;
      color: #fff;
      font-weight: bold;
      line-height: 1.6;
      position: relative;
    }
    .buy-btn {
      background: linear-gradient(90deg, #00b4fa 10%, #00ffd0 90%);
      color: #181a1b;
      font-family: 'Share Tech Mono', monospace;
      border: none;
      border-radius: 16px;
      padding: 16px 44px;
      font-size: 1.13em;
      font-weight: bold;
      cursor: pointer;
      box-shadow: 0 6px 32px #00b4fa22;
      transition: background .18s, color .17s, transform .13s;
      letter-spacing: 1px;
      margin-top: 0;
      outline: none;
      display: inline-block;
    }
    .buy-btn i {
      margin-right: 9px;
      font-size: 1.13em;
    }
    .buy-btn:hover {
      background: #e7d7b6;
      color: #003a5c;
      transform: scale(1.045);
    }
    .section-title {
      font-size: 1.22rem;
      font-weight: bold;
      background: var(--shine-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: 1.1px;
      text-align: left;
      margin-bottom: 13px;
      text-transform: uppercase;
    }
    .how-to-steps {
      list-style: none;
      margin: 0 0 0 0;
      padding: 0;
    }
    .how-to-steps li {
      margin-bottom: 18px;
      background: #192332;
      border-left: 4px solid #00b4fa;
      border-radius: 8px;
      padding: 16px 19px 12px 18px;
      color: #e7d7b6;
      box-shadow: 0 2px 13px #00b4fa15;
      font-size: 1.07em;
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }
    .how-to-steps li i {
      font-size: 1.25em;
      color: #00b4fa;
      margin-right: 5px;
      margin-top: 3px;
      flex-shrink: 0;
    }
    .back-link-bottom {
      display: inline-block;
      margin: 38px auto 28px auto;
      color: #fff;
      background: linear-gradient(90deg,#161d29 60%,#202b3e 100%);
      border: 2.2px solid #00b4fa;
      border-radius: 16px;
      font-size: 1.09em;
      font-family: 'Share Tech Mono', monospace;
      font-weight: bold;
      text-decoration: none;
      padding: 13px 34px;
      box-shadow: 0 2px 15px #00b4fa33;
      transition: background .16s, color .13s, border .19s;
      letter-spacing: 1.1px;
      min-width: 140px;
    }
    .back-link-bottom i {
      margin-right: 7px;
      font-size: 1.05em;
    }
    .back-link-bottom:hover {
      background: #e7d7b6;
      color: #003a5c;
      text-decoration: underline;
      border-color: #e7d7b6;
    }