:root {
      --primary: #7928ca;
      --primary-light: #9e4bf6;
      --primary-glow: #e9d5ff;
      --secondary: #ff0080;
      --accent: #4f46e5;
      --dark: #18181b;
      --text: #27272a;
      --text-muted: #71717a;
      --bg-page: #fbf9ff;
      --bg-card: #ffffff;
      --bg-card-alt: #f5f0fb;
      --border: #ede4f8;
      --radius: 12px;
      --shadow-sm: 0 2px 8px rgba(121, 40, 202, 0.05);
      --shadow-md: 0 8px 24px rgba(121, 40, 202, 0.08);
      --shadow-lg: 0 16px 36px rgba(121, 40, 202, 0.12);
      --transition: all 0.28s ease;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: var(--transition);
    }

    a:hover {
      color: var(--secondary);
    }

    .container {
      width: 100%;
      max-width: 1200px;
      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);
    }

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

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

    .logo-img-box {
      max-height: 44px;
      display: flex;
      align-items: center;
    }

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

    .nav-links li a {
      padding: 8px 14px;
      color: var(--text);
      font-weight: 500;
      font-size: 14px;
      border-radius: 6px;
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: var(--bg-card-alt);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(121, 40, 202, 0.25);
    }

    .btn-primary:hover {
      opacity: 0.92;
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(255, 0, 128, 0.3);
    }

    .btn-outline {
      border-color: var(--primary);
      color: var(--primary);
      background: #ffffff;
    }

    .btn-outline:hover {
      background: var(--bg-card-alt);
      color: var(--primary);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .mobile-menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--dark);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* Hero Section (No images in Hero) */
    .hero-section {
      position: relative;
      padding: 70px 0 60px;
      background: radial-gradient(circle at 80% 20%, #f7e8ff 0%, #fbf9ff 60%);
      border-bottom: 1px solid var(--border);
    }

    .hero-wrap {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-badge {
      display: inline-block;
      padding: 6px 14px;
      background: #ede4f8;
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      border-radius: 30px;
      margin-bottom: 18px;
    }

    .hero-title {
      font-size: 38px;
      line-height: 1.25;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .hero-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 30px;
    }

    .hero-features {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: var(--text);
    }

    .hero-feat-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .hero-feat-item svg {
      width: 16px;
      height: 16px;
      fill: var(--primary);
    }

    /* Hero Right Visual: Pure CSS & Data Dashboard */
    .hero-dashboard-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow-lg);
      padding: 24px;
      position: relative;
    }

    .hero-dash-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border);
      padding-bottom: 14px;
      margin-bottom: 16px;
    }

    .hero-dash-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--dark);
    }

    .status-pill {
      font-size: 12px;
      padding: 3px 8px;
      background: #e6fffa;
      color: #047857;
      border-radius: 12px;
      font-weight: 600;
    }

    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-bottom: 18px;
    }

    .metric-box {
      background: var(--bg-card-alt);
      padding: 14px;
      border-radius: 8px;
      border-left: 4px solid var(--primary);
    }

    .metric-val {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
    }

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

    .hero-terminal {
      background: #231d2e;
      border-radius: 8px;
      padding: 14px;
      color: #e9d5ff;
      font-family: monospace;
      font-size: 12px;
      line-height: 1.6;
    }

    .hero-terminal span.green {
      color: #4ade80;
    }
    .hero-terminal span.pink {
      color: #f472b6;
    }

    /* Section Global Styles */
    .section-padding {
      padding: 64px 0;
      border-bottom: 1px solid var(--border);
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-eyebrow {
      display: inline-block;
      text-transform: uppercase;
      font-size: 12px;
      letter-spacing: 1px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .section-title {
      font-size: 30px;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 12px;
    }

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

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

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    /* Service Cards */
    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .service-icon-box {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--bg-card-alt) 0%, #ede4f8 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 10px;
    }

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

    .service-card .card-tag {
      font-size: 12px;
      padding: 4px 8px;
      background: var(--bg-card-alt);
      color: var(--primary);
      border-radius: 4px;
      align-self: flex-start;
      margin-top: 14px;
      font-weight: 500;
    }

    /* Models Cloud Section */
    .models-chip-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-chip {
      background: #ffffff;
      border: 1px solid var(--border);
      padding: 8px 16px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .model-chip:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }

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

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

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

    .custom-table th {
      background: var(--bg-card-alt);
      font-weight: 700;
      color: var(--dark);
    }

    .custom-table tr:hover {
      background: #faf7fd;
    }

    .highlight-col {
      background: rgba(121, 40, 202, 0.04);
      font-weight: 600;
      color: var(--primary);
    }

    .score-banner {
      background: linear-gradient(135deg, #7928ca 0%, #ff0080 100%);
      color: #ffffff;
      padding: 24px;
      border-radius: var(--radius);
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 16px;
    }

    .score-left h3 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .score-stars {
      color: #facc15;
      font-size: 20px;
      letter-spacing: 2px;
    }

    .score-num {
      font-size: 38px;
      font-weight: 900;
      line-height: 1;
      text-align: right;
    }

    .score-num small {
      font-size: 16px;
      font-weight: normal;
    }

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

    .step-box {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      width: 40px;
      height: 40px;
      line-height: 40px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      font-weight: 800;
      margin: 0 auto 16px;
      font-size: 16px;
    }

    .step-box h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }

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

    /* Media Visual Gallery */
    .media-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .media-img-wrapper {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: var(--bg-card-alt);
    }

    .media-img-wrapper img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

    .media-card:hover img {
      transform: scale(1.03);
    }

    .media-body {
      padding: 18px;
    }

    .media-body h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--dark);
    }

    .media-body p {
      font-size: 13px;
      color: var(--text-muted);
    }

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

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

    .testi-avatar-text {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
    }

    .testi-info h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--dark);
    }

    .testi-info span {
      font-size: 12px;
      color: var(--text-muted);
    }

    .testi-content {
      font-size: 13.5px;
      color: var(--text);
      line-height: 1.6;
    }

    /* FAQ Accordion Component */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      padding: 18px 22px;
      text-align: left;
      background: none;
      border: none;
      font-size: 15px;
      font-weight: 700;
      color: var(--dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-question:hover {
      color: var(--primary);
    }

    .faq-icon {
      font-size: 18px;
      transition: var(--transition);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 18px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      border-top: 1px solid var(--border);
      padding-top: 14px;
    }

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

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

    /* Form Component */
    .form-container {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--dark);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      font-size: 14px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: #fdfcff;
      outline: none;
      transition: var(--transition);
      color: var(--text);
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.12);
      background: #ffffff;
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* Contact Info Card */
    .contact-info-card {
      background: linear-gradient(135deg, #24143a 0%, #150d26 100%);
      color: #ffffff;
      border-radius: var(--radius);
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-item-group {
      display: flex;
      flex-direction: column;
      gap: 18px;
      margin: 24px 0;
    }

    .contact-item-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
    }

    .contact-item-row span.label {
      color: #b5a4cd;
      width: 80px;
    }

    .contact-item-row span.val {
      font-weight: 600;
      color: #ffffff;
    }

    .qr-box-inner {
      text-align: center;
      background: rgba(255, 255, 255, 0.08);
      padding: 16px;
      border-radius: 8px;
      max-width: 160px;
      margin-top: 10px;
    }

    .qr-box-inner img {
      width: 120px;
      height: 120px;
      border-radius: 4px;
      display: block;
      margin: 0 auto 8px;
    }

    .qr-box-inner p {
      font-size: 12px;
      color: #ddd;
    }

    /* Article & Resource List */
    .article-links-box {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px;
    }

    .article-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-list li {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 10px;
      border-bottom: 1px dashed var(--border);
      font-size: 14px;
    }

    .article-list li a {
      color: var(--text);
      font-weight: 500;
    }

    .article-list li a:hover {
      color: var(--primary);
      padding-left: 4px;
    }

    /* Footer */
    .site-footer {
      background: #191226;
      color: #a89cb8;
      padding: 48px 0 24px;
      font-size: 13px;
      border-top: 1px solid #2f2244;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list a {
      color: #a89cb8;
    }

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

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 12px;
    }

    .friend-links-wrap a {
      color: #c4b5fd;
      background: rgba(255, 255, 255, 0.05);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 12px;
    }

    .friend-links-wrap a:hover {
      background: var(--primary);
      color: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      text-align: center;
      font-size: 12px;
      color: #7b708d;
    }

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

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(121, 40, 202, 0.35);
      cursor: pointer;
      border: none;
      font-size: 18px;
      transition: var(--transition);
      position: relative;
    }

    .floating-btn:hover {
      transform: scale(1.08);
    }

    .floating-qr-pop {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 12px;
      box-shadow: var(--shadow-lg);
      display: none;
      width: 140px;
      text-align: center;
      color: var(--dark);
    }

    .floating-qr-pop img {
      width: 100%;
      height: auto;
      border-radius: 4px;
    }

    .floating-qr-pop p {
      font-size: 11px;
      margin-top: 4px;
      color: var(--text);
    }

    .floating-btn:hover .floating-qr-pop {
      display: block;
    }

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

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 0;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .grid-3, .grid-2 {
        grid-template-columns: 1fr;
      }
      .steps-wrap {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 28px;
      }
    }