:root {
      --primary: #581c87;
      --primary-bright: #7e22ce;
      --accent: #ec4899;
      --accent-alt: #f97316;
      --cyan-tech: #06b6d4;
      --bg-light: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-soft: #64748b;
      --border-color: #e2e8f0;
      --border-focus: #c084fc;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 20px -2px rgba(88, 28, 135, 0.08);
      --shadow-lg: 0 10px 25px -5px rgba(236, 72, 153, 0.12);
      --container-width: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      font-size: 15px;
    }

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

    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .logo-container {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .logo-container img {
      height: 40px;
      width: auto;
      display: block;
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      gap: 20px;
    }

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

    .nav-links li a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      padding: 8px 12px;
      border-radius: 6px;
      transition: all 0.2s ease;
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--accent);
      background: #fdf2f8;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn-gradient {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #7e22ce 0%, #ec4899 50%, #f97316 100%);
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 14px;
      text-decoration: none;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      white-space: nowrap;
    }

    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
      color: #ffffff;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1.5px solid var(--accent);
      color: var(--accent);
      background: transparent;
      padding: 9px 18px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 14px;
      text-decoration: none;
      cursor: pointer;
      transition: all 0.2s ease;
      white-space: nowrap;
    }

    .btn-outline:hover {
      background: #fdf2f8;
      transform: translateY(-2px);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
    }

    /* Hero Section (No Images as required) */
    .hero-section {
      padding: 70px 0 50px 0;
      background: radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.12) 0%, rgba(126, 34, 206, 0.08) 35%, rgba(248, 250, 252, 0.95) 70%), linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #fdf2f8;
      border: 1px solid #fbcfe8;
      color: var(--accent);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .hero-title {
      font-size: 38px;
      line-height: 1.25;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: linear-gradient(135deg, #7e22ce, #ec4899);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 30px;
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 36px;
    }

    .hero-notice {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 18px;
      background: #ffffff;
      border: 1px solid #f3e8ff;
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
    }

    .hero-notice-badge {
      background: #7e22ce;
      color: #ffffff;
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      text-transform: uppercase;
    }

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

    /* Hero Right Visual Element (CSS pure graphics) */
    .hero-visual-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 24px;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .model-badge-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .model-chip {
      background: #faf5ff;
      border: 1px solid #e9d5ff;
      color: #6b21a8;
      font-size: 12px;
      font-weight: 600;
      padding: 5px 10px;
      border-radius: 6px;
    }

    .hero-stat-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 18px;
    }

    .hero-stat-box {
      background: #fdf4ff;
      border: 1px solid #fae8ff;
      border-radius: 12px;
      padding: 14px;
      text-align: center;
    }

    .hero-stat-num {
      font-size: 22px;
      font-weight: 800;
      color: #a21caf;
    }

    .hero-stat-label {
      font-size: 12px;
      color: var(--text-soft);
      margin-top: 2px;
    }

    /* Sections Common */
    .section-py {
      padding: 60px 0;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 40px auto;
    }

    .section-subtitle {
      color: var(--accent);
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
      display: inline-block;
    }

    .section-title {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Card Grids */
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-focus);
    }

    .card-icon-title {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .card-badge-num {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: linear-gradient(135deg, #7e22ce, #ec4899);
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      flex-shrink: 0;
    }

    .card-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 14px;
    }

    .card-tag-item {
      font-size: 11px;
      background: #f1f5f9;
      color: var(--text-soft);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* Media Banner Showcase Section */
    .media-showcase {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 30px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 30px;
    }

    .media-showcase img {
      width: 100%;
      height: auto;
      border-radius: 12px;
      display: block;
      object-fit: cover;
    }

    .media-duo-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }

    /* Comparison Table Section */
    .table-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .custom-table th,
    .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }

    .custom-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }

    .custom-table tr:last-child td {
      border-bottom: none;
    }

    .custom-table .highlight-col {
      background: #faf5ff;
      color: #6b21a8;
      font-weight: 600;
    }

    .rating-box {
      background: linear-gradient(135deg, #fdf4ff 0%, #fae8ff 100%);
      border: 1px solid #f0abfc;
      border-radius: 16px;
      padding: 24px;
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }

    .rating-score {
      font-size: 36px;
      font-weight: 900;
      color: #a21caf;
    }

    .rating-stars {
      color: #f59e0b;
      font-size: 20px;
      letter-spacing: 2px;
    }

    /* Flow Steps */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 20px;
      position: relative;
    }

    .step-badge {
      font-size: 12px;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 6px;
    }

    .step-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    /* FAQ Accordion */
    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

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

    .faq-question {
      padding: 16px 20px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      background: transparent;
      width: 100%;
      border: none;
      text-align: left;
    }

    .faq-icon {
      font-size: 18px;
      color: var(--accent);
      transition: transform 0.2s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fafafa;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 20px;
      border-top: 1px solid #f1f5f9;
    }

    .faq-answer p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* Testimonials */
    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      font-style: italic;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 12px;
    }

    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #a855f7, #ec4899);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
      flex-shrink: 0;
    }

    .author-info h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 12px;
      color: var(--text-soft);
    }

    /* Form Section */
    .form-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 36px;
      box-shadow: var(--shadow-md);
      max-width: 800px;
      margin: 0 auto;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }

    .form-group-full {
      grid-column: span 2;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 14px;
      color: var(--text-main);
      background: #f8fafc;
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      border-color: var(--accent);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.15);
    }

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

    /* Contact & Social Cards */
    .contact-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .contact-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 18px;
      text-align: center;
    }

    .contact-card h4 {
      font-size: 14px;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .contact-card p {
      font-size: 13px;
      color: var(--text-muted);
      word-break: break-all;
    }

    .qr-showcase {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-direction: column;
      margin-top: 24px;
      padding: 20px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      text-align: center;
    }

    .qr-showcase img {
      width: 140px;
      height: 140px;
      border-radius: 8px;
      margin-bottom: 10px;
      border: 1px solid var(--border-color);
    }

    /* Articles Section */
    .article-links-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-link-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 14px;
      border-radius: 8px;
      background: #f8fafc;
      color: var(--text-main);
      text-decoration: none;
      font-size: 14px;
      transition: all 0.2s ease;
    }

    .article-link-item:hover {
      background: #fdf2f8;
      color: var(--accent);
      transform: translateX(4px);
    }

    /* Footer */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 50px 0 30px 0;
      border-top: 1px solid #1e293b;
      margin-top: 40px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 36px;
    }

    .footer-brand h3 {
      color: #ffffff;
      font-size: 18px;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 13px;
      line-height: 1.7;
    }

    .footer-links-col h4 {
      color: #f8fafc;
      font-size: 14px;
      margin-bottom: 14px;
      font-weight: 600;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links-list a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 13px;
      transition: color 0.2s ease;
    }

    .footer-links-list a:hover {
      color: #ffffff;
    }

    .friend-links-box {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      margin-bottom: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
      font-size: 12px;
    }

    .friend-links-box span {
      color: #cbd5e1;
      font-weight: 600;
    }

    .friend-links-box a {
      color: #94a3b8;
      text-decoration: none;
      transition: color 0.2s ease;
    }

    .friend-links-box a:hover {
      color: #f472b6;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 12px;
    }

    .footer-bottom a {
      color: #94a3b8;
      text-decoration: none;
    }

    /* Floating Widget */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #7e22ce, #ec4899);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      text-decoration: none;
      font-size: 20px;
      border: none;
      transition: transform 0.2s ease;
    }

    .float-btn:hover {
      transform: scale(1.1);
    }

    /* Responsive Design */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
      .contact-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.show {
        display: flex;
      }
      .hero-title {
        font-size: 28px;
      }
      .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
      }
      .media-duo-grid {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group-full {
        grid-column: span 1;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
    }