:root {
      --bg-dark: #070714;
      --bg-surface: #0f0c24;
      --bg-card: #151032;
      --bg-card-hover: #1c1543;
      --neon-pink: #ff2a85;
      --neon-purple: #8a2be2;
      --neon-cyan: #00f0ff;
      --text-main: #f5f3ff;
      --text-muted: #9f9ab8;
      --border-glow: rgba(255, 42, 133, 0.28);
      --border-subtle: rgba(138, 43, 226, 0.2);
      --grad-primary: linear-gradient(135deg, #ff2a85 0%, #8a2be2 50%, #4a00e0 100%);
      --grad-glow: linear-gradient(90deg, #ff2a85, #8a2be2);
      --shadow-neon: 0 0 20px rgba(255, 42, 133, 0.35);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.6;
      background-image: 
        radial-gradient(circle at 15% 15%, rgba(255, 42, 133, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(138, 43, 226, 0.14) 0%, transparent 45%),
        linear-gradient(to bottom, #070714, #0b081e 50%, #070714);
      background-attachment: fixed;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* Header & Navigation */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(7, 7, 20, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-glow);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-area .logo-wrapper {
      max-width: 130px;
      display: flex;
      align-items: center;
    }

    .brand-name {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: 0.5px;
      background: var(--grad-glow);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
      transition: color 0.2s ease, text-shadow 0.2s ease;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: #fff;
      text-shadow: 0 0 10px var(--neon-pink);
    }

    .header-cta-group {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      border-radius: 99px;
      font-size: 14px;
      font-weight: 600;
      background: var(--grad-primary);
      color: #fff;
      box-shadow: 0 0 16px rgba(255, 42, 133, 0.4);
      border: none;
      cursor: pointer;
      white-space: nowrap;
    }

    .btn-portal:hover {
      box-shadow: 0 0 24px rgba(255, 42, 133, 0.7);
      transform: translateY(-1px);
    }

    .mobile-menu-toggle {
      display: none;
      background: transparent;
      border: 1px solid var(--border-glow);
      border-radius: 6px;
      padding: 8px;
      color: #fff;
      cursor: pointer;
    }

    /* Hero Section (No Images as required) */
    .hero-section {
      padding: 90px 0 60px;
      position: relative;
      text-align: center;
    }

    .hero-glow-spot {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 580px;
      height: 380px;
      background: radial-gradient(circle, rgba(255, 42, 133, 0.25) 0%, rgba(138, 43, 226, 0.15) 50%, transparent 80%);
      filter: blur(50px);
      z-index: 0;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 860px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 99px;
      background: rgba(255, 42, 133, 0.1);
      border: 1px solid var(--border-glow);
      color: #ff85be;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 42px;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 20px;
      color: #fff;
      text-shadow: 0 0 20px rgba(255, 42, 133, 0.3);
    }

    .hero-title span {
      background: var(--grad-glow);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 17px;
      color: var(--text-muted);
      margin-bottom: 36px;
      max-width: 720px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .btn-main-glow {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      border-radius: 99px;
      background: var(--grad-primary);
      color: #fff;
      box-shadow: 0 0 25px rgba(255, 42, 133, 0.5);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .btn-main-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 35px rgba(255, 42, 133, 0.8);
    }

    .btn-outline-glow {
      padding: 13px 30px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 99px;
      background: rgba(21, 16, 50, 0.6);
      border: 1px solid var(--border-glow);
      color: #ff9ec8;
    }

    .btn-outline-glow:hover {
      background: rgba(255, 42, 133, 0.15);
      border-color: var(--neon-pink);
      color: #fff;
    }

    /* Hero Key Specs Grid */
    .hero-specs-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 10px;
    }

    .spec-box {
      background: rgba(21, 16, 50, 0.55);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 20px;
      backdrop-filter: blur(8px);
      text-align: center;
      transition: transform 0.25s ease, border-color 0.25s ease;
    }

    .spec-box:hover {
      transform: translateY(-4px);
      border-color: var(--neon-pink);
      box-shadow: 0 0 16px rgba(255, 42, 133, 0.2);
    }

    .spec-val {
      font-size: 28px;
      font-weight: 800;
      color: #fff;
      background: var(--grad-glow);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 6px;
    }

    .spec-desc {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* Common Section Styles */
    section {
      padding: 60px 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 44px;
    }

    .section-tag {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      font-weight: 700;
      color: var(--neon-pink);
      margin-bottom: 10px;
      display: inline-block;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-muted);
    }

    /* Grid Layouts & Cards */
    .feature-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .cyber-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 16px;
      padding: 24px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .cyber-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--neon-pink);
      transform: translateY(-4px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 15px rgba(255, 42, 133, 0.25);
    }

    .card-icon-pill {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(255, 42, 133, 0.15);
      border: 1px solid var(--border-glow);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 18px;
    }

    .card-title {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }

    .card-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* Tag Cloud of Supported Models */
    .model-matrix-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-glow);
      border-radius: 20px;
      padding: 30px;
      margin-top: 30px;
      box-shadow: inset 0 0 20px rgba(138, 43, 226, 0.15);
    }

    .model-matrix-title {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
      text-align: center;
    }

    .model-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-tag {
      padding: 6px 14px;
      background: rgba(21, 16, 50, 0.8);
      border: 1px solid rgba(255, 42, 133, 0.3);
      border-radius: 99px;
      font-size: 12px;
      font-weight: 500;
      color: #e5d8ff;
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      border-color: var(--neon-pink);
      color: #fff;
      background: rgba(255, 42, 133, 0.2);
      transform: scale(1.04);
    }

    /* Workflow Steps */
    .workflow-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .workflow-step {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 24px;
      position: relative;
    }

    .step-badge {
      font-size: 12px;
      font-weight: 800;
      color: var(--neon-pink);
      margin-bottom: 8px;
    }

    /* Media Visual Block (Post-Hero) */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
      margin-top: 30px;
    }

    .media-box-banner {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 18px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .media-box-banner img,
    .media-box-square img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .media-box-banner:hover img,
    .media-box-square:hover img {
      transform: scale(1.02);
    }

    .media-caption {
      padding: 16px 20px;
      font-size: 14px;
      color: var(--text-muted);
      border-top: 1px solid var(--border-subtle);
      background: rgba(15, 12, 36, 0.9);
    }

    .media-box-square {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 18px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    /* Dual Horizontal Showcase */
    .dual-horizontal-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-top: 24px;
    }

    /* Review & Ratings Section */
    .rating-highlight-box {
      background: linear-gradient(135deg, rgba(255, 42, 133, 0.15), rgba(138, 43, 226, 0.2));
      border: 1px solid var(--neon-pink);
      border-radius: 18px;
      padding: 30px;
      text-align: center;
      margin-bottom: 36px;
      box-shadow: 0 0 25px rgba(255, 42, 133, 0.2);
    }

    .rating-score {
      font-size: 52px;
      font-weight: 900;
      color: #fff;
      line-height: 1;
      margin-bottom: 8px;
    }

    .rating-stars {
      color: #ffd700;
      font-size: 22px;
      letter-spacing: 4px;
      margin-bottom: 12px;
    }

    /* Comparison Table */
    .table-container {
      overflow-x: auto;
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 16px;
      margin-top: 20px;
    }

    table.cyber-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    table.cyber-table th,
    table.cyber-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(138, 43, 226, 0.2);
    }

    table.cyber-table th {
      background: rgba(15, 12, 36, 0.95);
      color: #fff;
      font-weight: 700;
      border-bottom: 2px solid var(--border-glow);
    }

    table.cyber-table tr:hover {
      background: rgba(255, 42, 133, 0.05);
    }

    .table-highlight-cell {
      color: #ff6ea7;
      font-weight: 700;
    }

    /* Testimonials (6 users) */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .testimonial-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 22px;
      display: flex;
      flex-direction: column;
    }

    .testimonial-card:hover {
      border-color: var(--neon-pink);
    }

    .user-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .user-avatar-pill {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--grad-glow);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 700;
      font-size: 14px;
    }

    .user-name {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
    }

    .user-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    .testimonial-quote {
      font-size: 13.5px;
      color: #ded8f5;
      line-height: 1.6;
      flex-grow: 1;
    }

    /* FAQ Accordion */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: var(--neon-pink);
    }

    .faq-question {
      padding: 18px 22px;
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-arrow {
      font-size: 18px;
      color: var(--neon-pink);
      transition: transform 0.25s ease;
    }

    .faq-item.active .faq-arrow {
      transform: rotate(180deg);
    }

    .faq-answer {
      padding: 0 22px 18px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* Form Section */
    .form-wrapper-box {
      max-width: 800px;
      margin: 0 auto;
      background: var(--bg-surface);
      border: 1px solid var(--border-glow);
      border-radius: 20px;
      padding: 36px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }

    .contact-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }

    .form-group-full {
      grid-column: 1 / -1;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: #dfd9f7;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      background: rgba(7, 7, 20, 0.7);
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      padding: 12px 16px;
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--neon-pink);
      box-shadow: 0 0 10px rgba(255, 42, 133, 0.3);
    }

    textarea.form-control {
      min-height: 110px;
      resize: vertical;
    }

    .btn-submit {
      width: 100%;
      padding: 14px;
      font-size: 16px;
      font-weight: 700;
      border-radius: 8px;
      background: var(--grad-primary);
      border: none;
      color: #fff;
      cursor: pointer;
      box-shadow: 0 0 18px rgba(255, 42, 133, 0.4);
      transition: all 0.25s ease;
    }

    .btn-submit:hover {
      box-shadow: 0 0 28px rgba(255, 42, 133, 0.7);
      transform: translateY(-1px);
    }

    /* Contact & Social Matrix */
    .contact-matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .contact-info-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 22px;
      text-align: center;
    }

    .qr-container {
      max-width: 130px;
      margin: 12px auto 6px;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--border-glow);
    }

    .qr-container img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* Article & Knowledge Matrix */
    .article-links-container {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 20px 24px;
      margin-top: 20px;
    }

    .article-list {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      list-style: none;
    }

    .article-list li a {
      font-size: 13.5px;
      color: #9f9ab8;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 42, 133, 0.08);
      padding: 6px 14px;
      border-radius: 6px;
      border: 1px solid rgba(255, 42, 133, 0.15);
    }

    .article-list li a:hover {
      color: #fff;
      border-color: var(--neon-pink);
    }

    /* Footer */
    footer.site-footer {
      background: #04030a;
      border-top: 1px solid var(--border-glow);
      padding: 46px 0 30px;
      margin-top: 50px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 30px;
    }

    .footer-col h4 {
      font-size: 15px;
      color: #fff;
      font-weight: 700;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .footer-col p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 12px;
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .friend-links-wrap a {
      font-size: 13px;
      color: var(--text-muted);
      padding: 4px 10px;
      background: rgba(21, 16, 50, 0.8);
      border-radius: 4px;
      border: 1px solid rgba(138, 43, 226, 0.2);
    }

    .friend-links-wrap a:hover {
      color: #fff;
      border-color: var(--neon-pink);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 42, 133, 0.15);
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: #7b7596;
    }

    .footer-nav {
      display: flex;
      gap: 14px;
    }

    .footer-nav a:hover {
      color: #fff;
    }

    /* Floating Widget */
    .float-service-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--bg-surface);
      border: 1px solid var(--border-glow);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 14px rgba(255, 42, 133, 0.3);
      cursor: pointer;
      font-size: 18px;
      transition: all 0.2s ease;
    }

    .float-btn:hover {
      background: var(--grad-primary);
      transform: scale(1.1);
    }

    /* Responsive */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 32px;
      }
      .hero-specs-grid,
      .feature-grid-4,
      .workflow-row,
      .contact-matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .feature-grid-3,
      .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .media-showcase-grid,
      .dual-horizontal-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        position: relative;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: rgba(7, 7, 20, 0.98);
        border-bottom: 1px solid var(--border-glow);
        flex-direction: column;
        padding: 16px 0;
      }
      .nav-links.show {
        display: flex;
      }
      .hero-title {
        font-size: 26px;
      }
      .hero-specs-grid,
      .feature-grid-3,
      .feature-grid-4,
      .workflow-row,
      .testimonial-grid,
      .contact-matrix-grid,
      .contact-form {
        grid-template-columns: 1fr;
      }
    }