.hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
      padding-top: 200px;
    }

    .hero-bg {
      position: absolute;
      top: 0; right: 0; bottom: 0; left: 0;
      z-index: 0;
    }

    .hero-bg::before {
      content: '';
      position: absolute;
      top: 20%;
      left: 10%;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
      filter: blur(40px);
      animation: float 8s ease-in-out infinite;
    }

    .hero-bg::after {
      content: '';
      position: absolute;
      bottom: 20%;
      right: 10%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(0, 136, 255, 0.12) 0%, transparent 70%);
      filter: blur(50px);
      animation: float 10s ease-in-out infinite reverse;
    }

    @keyframes float {
      0%, 100% { transform: translate(0, 0); }
      50% { transform: translate(30px, -30px); }
    }

    .hero-lines {
      position: absolute;
      top: 0; right: 0; bottom: 0; left: 0;
      overflow: hidden;
      pointer-events: none;
    }

    .hero-line {
      position: absolute;
      width: 1px;
      height: 100%;
      background: linear-gradient(180deg, transparent, rgba(0, 240, 255, 0.1), transparent);
      animation: linePulse 3s ease-in-out infinite;
    }

    .hero-line:nth-child(1) { left: 10%; animation-delay: 0s; }
    .hero-line:nth-child(2) { left: 30%; animation-delay: 0.5s; }
    .hero-line:nth-child(3) { left: 50%; animation-delay: 1s; }
    .hero-line:nth-child(4) { left: 70%; animation-delay: 1.5s; }
    .hero-line:nth-child(5) { left: 90%; animation-delay: 2s; }

    @keyframes linePulse {
      0%, 100% { opacity: 0.3; }
      50% { opacity: 0.8; }
    }

    .hero-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 900px;
      padding: 0 20px;
    }

    .hero-subtitle {
      display: inline-block;
      padding: 8px 24px;
      border: 1px solid var(--border-glow);
      border-radius: 30px;
      font-size: 13px;
      color: var(--neon-cyan);
      letter-spacing: 3px;
      text-transform: uppercase;
      margin-bottom: 30px;
      background: rgba(0, 240, 255, 0.05);
      animation: fadeInUp 0.8s ease;
    }

    .hero-title {
      font-size: 64px;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 24px;
      animation: fadeInUp 0.8s ease 0.2s both;
    }

    .hero-title span {
      background: var(--gradient-1);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      display: block;
    }

    .hero-desc {
      font-size: 18px;
      color: var(--text-secondary);
      margin-bottom: 40px;
      line-height: 1.8;
      animation: fadeInUp 0.8s ease 0.4s both;
    }

    .hero-buttons {
      display: flex;
      gap: 20px;
      justify-content: center;
      flex-wrap: wrap;
      animation: fadeInUp 0.8s ease 0.6s both;
    }

    .hero-buttons .btn {
      padding: 16px 40px;
      font-size: 15px;
    }

    .hero-scroll {
      position: absolute;
      bottom: 40px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      color: var(--text-muted);
      font-size: 12px;
      letter-spacing: 2px;
      animation: bounce 2s infinite;
    }

    .hero-scroll-line {
      width: 1px;
      height: 40px;
      background: linear-gradient(180deg, var(--neon-cyan), transparent);
    }

    @keyframes bounce {
      0%, 100% { transform: translateX(-50%) translateY(0); }
      50% { transform: translateX(-50%) translateY(10px); }
    }

    .home-main {
      padding: 80px 0;
    }

    .home-gallery-section {
      margin-bottom: 40px;
    }

    .home-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-bottom: 80px;
    }

    .image-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
    }

    .image-item {
      position: relative;
      width: 100%;
      padding-top: 100%;
      border-radius: 12px;
      overflow: hidden;
      cursor: pointer;
      border: 1px solid var(--border-color);
      transition: all 0.4s ease;
      background: var(--bg-card);
    }

    .image-item img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: contain;
      transition: transform 0.4s ease;
      padding: 4px;
    }

    .image-item:hover {
      transform: translateY(-4px);
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
    }

    .image-item:hover img {
      transform: scale(1.08);
    }

    .image-item-overlay {
      position: absolute;
      top: 0; right: 0; bottom: 0; left: 0;
      background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.8) 100%);
      opacity: 0;
      transition: opacity 0.3s ease;
      display: flex;
      align-items: flex-end;
      padding: 12px;
    }

    .image-item:hover .image-item-overlay {
      opacity: 1;
    }

    .image-item-title {
      color: #fff;
      font-size: 12px;
      font-weight: 500;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .lightbox-watermark {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%) rotate(-18deg);
      color: rgba(0, 240, 255, 0.5);
      font-size: 36px;
      font-weight: 700;
      text-shadow: 0 0 12px rgba(0, 240, 255, 0.4), 0 2px 6px rgba(0, 0, 0, 0.6);
      white-space: nowrap;
      letter-spacing: 4px;
      pointer-events: none;
      z-index: 2;
      user-select: none;
    }

    .article-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-item {
      padding: 18px 20px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      cursor: pointer;
      transition: all 0.3s ease;
      text-decoration: none;
      display: block;
    }

    .article-item:hover {
      transform: translateX(6px);
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
      background: var(--bg-card-hover);
    }

    .article-item {
      padding: 14px 20px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      cursor: pointer;
      transition: all 0.3s ease;
      text-decoration: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .article-item:hover {
      transform: translateX(6px);
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
      background: var(--bg-card-hover);
    }

    .article-item-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      line-height: 1.4;
      flex: 1;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .article-item:hover .article-item-title {
      color: var(--neon-cyan);
    }

    .article-item-date {
      font-size: 12px;
      color: var(--text-muted);
      flex-shrink: 0;
      white-space: nowrap;
    }

    .download-section {
      margin-bottom: 80px;
    }

    .software-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .software-card {
      padding: 24px 20px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      gap: 0;
    }

    .software-info {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      width: 100%;
      margin-bottom: 12px;
    }

    .software-name {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      width: 100%;
    }

    .software-meta {
      display: flex;
      justify-content: center;
      gap: 10px;
      font-size: 12px;
      color: var(--text-muted);
      flex-wrap: wrap;
    }

    .software-meta span {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .software-actions {
      display: flex;
      gap: 28px;
      flex-wrap: wrap;
      justify-content: center;
      width: 100%;
    }

    .software-btn {
      padding: 6px 14px;
      font-size: 12px;
      border-radius: 6px;
    }

    .software-btn-secondary {
      padding: 6px 14px;
      font-size: 12px;
      border-radius: 6px;
      background: transparent;
      color: var(--neon-cyan);
      border: 1px solid var(--border-color);
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .software-btn-secondary:hover {
      border-color: var(--neon-cyan);
      background: rgba(0, 240, 255, 0.05);
    }

    .changelog-modal-overlay {
      position: fixed;
      top: 0; right: 0; bottom: 0; left: 0;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(8px);
      z-index: 9999;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
      animation: fadeIn 0.3s ease;
    }

    .changelog-modal {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      width: 100%;
      max-width: 500px;
      max-height: 80vh;
      display: flex;
      flex-direction: column;
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
      animation: slideUp 0.3s ease;
    }

    @keyframes slideUp {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .changelog-modal-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
    }

    .changelog-modal-close {
      width: 32px;
      height: 32px;
      border: none;
      background: transparent;
      color: var(--text-muted);
      font-size: 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      transition: all 0.3s ease;
    }

    .changelog-modal-close:hover {
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-primary);
    }

    .changelog-modal-body {
      padding: 24px;
      overflow-y: auto;
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.8;
    }

    .changelog-section {
      margin-bottom: 80px;
    }

    .timeline {
      position: relative;
      padding-left: 30px;
    }

    .timeline::before {
      content: '';
      position: absolute;
      left: 8px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(180deg, var(--neon-cyan), var(--neon-blue), transparent);
    }

    .timeline-item {
      position: relative;
      padding-bottom: 30px;
    }

    .timeline-item:last-child {
      padding-bottom: 0;
    }

    .timeline-dot {
      position: absolute;
      left: -30px;
      top: 4px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--bg-primary);
      border: 2px solid var(--neon-cyan);
      box-shadow: 0 0 12px var(--neon-glow);
    }

    .timeline-date {
      font-size: 13px;
      color: var(--neon-cyan);
      font-weight: 600;
      margin-bottom: 6px;
      letter-spacing: 1px;
    }

    .timeline-version {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 10px;
    }

    .timeline-content {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.8;
      white-space: pre-line;
    }

    .faq-section {
      margin-bottom: 80px;
    }

    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .faq-item.active {
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
    }

    .faq-question {
      padding: 20px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      user-select: none;
    }

    .faq-question-text {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
    }

    .faq-icon {
      width: 24px;
      height: 24px;
      flex-shrink: 0;
      position: relative;
    }

    .faq-icon::before,
    .faq-icon::after {
      content: '';
      position: absolute;
      background: var(--neon-cyan);
      transition: all 0.3s ease;
    }

    .faq-icon::before {
      top: 50%;
      left: 4px;
      right: 4px;
      height: 2px;
      transform: translateY(-50%);
    }

    .faq-icon::after {
      left: 50%;
      top: 4px;
      bottom: 4px;
      width: 2px;
      transform: translateX(-50%);
    }

    .faq-item.active .faq-icon::after {
      transform: translateX(-50%) rotate(90deg);
      opacity: 0;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.8;
    }

    .contact-section {
      margin-bottom: 80px;
    }

    .contact-card {
      padding: 50px;
      text-align: center;
    }

    .contact-title {
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 12px;
      background: var(--gradient-1);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .contact-desc {
      font-size: 15px;
      color: var(--text-secondary);
      margin-bottom: 40px;
    }

    .contact-items {
      display: flex;
      justify-content: center;
      gap: 40px;
      flex-wrap: wrap;
    }

    .contact-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
      padding: 30px 40px;
      background: rgba(0, 240, 255, 0.03);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      min-width: 200px;
      transition: all 0.3s ease;
    }

    .contact-item:hover {
      transform: translateY(-4px);
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
    }

    .contact-item-icon {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--gradient-2);
      border: 1px solid var(--border-glow);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .contact-item-icon svg {
      width: 22px;
      height: 22px;
      color: var(--neon-cyan);
    }

    .contact-item-label {
      font-size: 12px;
      color: var(--text-muted);
      letter-spacing: 1px;
      text-transform: uppercase;
    }

    .contact-item-value {
      font-size: 15px;
      color: var(--text-primary);
      font-weight: 500;
    }

    .section-more {
      display: flex;
      justify-content: flex-end;
      margin-top: 20px;
    }

    .section-more a {
      color: var(--neon-cyan);
      text-decoration: none;
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: gap 0.3s ease;
    }

    .section-more a:hover {
      gap: 12px;
    }

    @media (max-width: 992px) {
      .hero-title {
        font-size: 42px;
      }

      .hero-desc {
        font-size: 16px;
      }

      .home-grid {
        grid-template-columns: 1fr;
        gap: 60px;
      }

      .image-grid {
        grid-template-columns: repeat(4, 1fr);
      }

      .software-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .contact-items {
        gap: 20px;
      }

      .contact-item {
        min-width: 160px;
        padding: 24px 28px;
      }
    }

    @media (max-width: 576px) {
      .hero-title {
        font-size: 32px;
      }

      .hero-desc {
        font-size: 14px;
      }

      .hero-buttons .btn {
        padding: 14px 30px;
        font-size: 14px;
      }

      .image-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .software-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }

      .software-card {
        padding: 16px 12px;
      }

      .software-name {
        font-size: 13px;
      }

      .software-btn,
      .software-btn-secondary {
        padding: 5px 10px;
        font-size: 11px;
      }

      .contact-card {
        padding: 30px 20px;
      }

      .contact-title {
        font-size: 22px;
      }
    }