:root {
      --primary: #e6005c;
      --primary-hover: #c4004e;
      --primary-light: #ffe6f0;
      --primary-subtle: #fff0f5;
      --accent: #ff3377;
      --text-main: #1f2429;
      --text-sub: #4b5563;
      --text-muted: #6b7280;
      --bg-page: #fff8fa;
      --bg-card: #ffffff;
      --border-color: #fbd5e5;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-sm: 0 2px 8px rgba(230, 0, 92, 0.05);
      --shadow-md: 0 8px 24px rgba(230, 0, 92, 0.08);
      --shadow-lg: 0 16px 36px rgba(230, 0, 92, 0.12);
      --transition: all 0.28s ease;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .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);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }
    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-item a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
    }
    .nav-item a:hover {
      color: var(--primary);
      background-color: var(--primary-light);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      font-size: 0.95rem;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(230, 0, 92, 0.3);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 6px 18px rgba(230, 0, 92, 0.4);
      transform: translateY(-1px);
    }
    .btn-outline {
      background: transparent;
      color: var(--primary);
      border-color: var(--primary);
    }
    .btn-outline:hover {
      background: var(--primary-light);
      color: var(--primary-hover);
    }
    .btn-sm {
      padding: 6px 14px;
      font-size: 0.88rem;
      border-radius: var(--radius-sm);
    }
    .btn-lg {
      padding: 14px 34px;
      font-size: 1.1rem;
      border-radius: var(--radius-lg);
    }
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
      color: var(--text-main);
    }
    .mobile-menu-toggle svg {
      width: 26px;
      height: 26px;
    }
    .section-spacing {
      padding-top: 70px;
      padding-bottom: 70px;
      border-bottom: 1px solid rgba(251, 213, 229, 0.4);
    }
    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      background-color: var(--primary-light);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-sub);
    }
    .hero-section {
      padding: 85px 0 75px;
      background: radial-gradient(circle at 50% 10%, #ffe4ee 0%, #fff8fa 65%);
      position: relative;
    }
    .hero-container {
      text-align: center;
      max-width: 880px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--primary);
      font-weight: 600;
      font-size: 0.9rem;
      padding: 6px 18px;
      border-radius: 30px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 2.7rem;
      font-weight: 900;
      line-height: 1.25;
      color: #1a1e24;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }
    .hero-title span {
      color: var(--primary);
    }
    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 34px;
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 45px;
      flex-wrap: wrap;
    }
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }
    .metric-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 22px 14px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .metric-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .metric-num {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .metric-label {
      font-size: 0.9rem;
      color: var(--text-sub);
      font-weight: 500;
    }
    .tags-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 35px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .model-tag {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-sub);
      transition: var(--transition);
    }
    .model-tag:hover {
      color: var(--primary);
      border-color: var(--primary);
      background-color: var(--primary-subtle);
    }
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .card-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .card-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }
    .feature-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .feature-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: bold;
      margin-bottom: 20px;
    }
    .feature-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .feature-card p {
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.6;
    }
    .media-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .media-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .media-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #f0edf0;
    }
    .media-img-wrap.square {
      aspect-ratio: 1 / 1;
    }
    .media-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .media-card:hover img {
      transform: scale(1.03);
    }
    .media-body {
      padding: 22px;
    }
    .media-body h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .media-body p {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.6;
    }
    .steps-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .step-num {
      display: inline-block;
      width: 38px;
      height: 38px;
      line-height: 38px;
      text-align: center;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 16px;
    }
    .step-item h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .step-item p {
      font-size: 0.9rem;
      color: var(--text-sub);
    }
    .review-score-hero {
      background: linear-gradient(135deg, #fff0f5 0%, #ffffff 100%);
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-md);
      flex-wrap: wrap;
      gap: 24px;
    }
    .score-badge {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }
    .score-val {
      font-size: 3.6rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }
    .score-total {
      font-size: 1.4rem;
      color: var(--text-muted);
      font-weight: 700;
    }
    .score-stars {
      color: #ffb800;
      font-size: 1.6rem;
      margin-bottom: 6px;
    }
    .score-summary {
      max-width: 580px;
    }
    .score-summary h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .score-summary p {
      font-size: 0.98rem;
      color: var(--text-sub);
    }
    .table-container {
      width: 100%;
      overflow-x: auto;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 640px;
    }
    .custom-table th, .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .custom-table th {
      background-color: var(--primary-subtle);
      font-weight: 700;
      color: var(--text-main);
      font-size: 0.95rem;
    }
    .custom-table td {
      font-size: 0.92rem;
      color: var(--text-sub);
    }
    .custom-table tr:last-child td {
      border-bottom: none;
    }
    .highlight-col {
      background: rgba(255, 230, 240, 0.35);
      font-weight: 600;
      color: var(--primary) !important;
    }
    .faq-list {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .faq-card:hover {
      border-color: var(--accent);
    }
    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
      user-select: none;
    }
    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.28s ease;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fffbfe;
      color: var(--text-sub);
      font-size: 0.95rem;
      line-height: 1.7;
      padding: 0 24px;
    }
    .faq-card.active .faq-answer {
      max-height: 250px;
      padding: 0 24px 20px;
    }
    .faq-card.active .faq-icon {
      transform: rotate(45deg);
    }
    .form-container {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 38px 42px;
      box-shadow: var(--shadow-md);
      max-width: 780px;
      margin: 0 auto;
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .form-label {
      display: block;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #ffffff;
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(230, 0, 92, 0.15);
    }
    .form-textarea {
      min-height: 120px;
      resize: vertical;
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: start;
    }
    .contact-info-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 34px;
      box-shadow: var(--shadow-sm);
    }
    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 22px;
    }
    .contact-icon {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }
    .contact-detail h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 4px;
    }
    .contact-detail p {
      font-size: 0.92rem;
      color: var(--text-sub);
    }
    .qr-box {
      text-align: center;
      padding: 20px;
      background: var(--primary-subtle);
      border-radius: var(--radius-md);
      margin-top: 20px;
      border: 1px dashed var(--border-color);
    }
    .qr-box img {
      width: 140px;
      height: 140px;
      margin: 0 auto 10px;
      border-radius: var(--radius-sm);
      background: #fff;
      padding: 6px;
      border: 1px solid var(--border-color);
    }
    .qr-box span {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
    }
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 28px;
    }
    .article-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .article-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .article-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .article-item p {
      font-size: 0.9rem;
      color: var(--text-sub);
      margin-bottom: 18px;
    }
    .article-link {
      color: var(--primary);
      font-weight: 600;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .article-link:hover {
      text-decoration: underline;
    }
    .links-section {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 30px 0;
    }
    .links-content {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
    }
    .links-title {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }
    .links-list a {
      font-size: 0.88rem;
      color: var(--text-sub);
      background: var(--primary-subtle);
      padding: 4px 12px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
    }
    .links-list a:hover {
      color: var(--primary);
      border-color: var(--primary);
    }
    .site-footer {
      background: #191c21;
      color: #e5e7eb;
      padding: 60px 0 25px;
      font-size: 0.92rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 45px;
    }
    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .footer-brand p {
      color: #9ca3af;
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col li {
      margin-bottom: 10px;
    }
    .footer-col a {
      color: #9ca3af;
    }
    .footer-col a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid #2d333b;
      padding-top: 25px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      color: #9ca3af;
      font-size: 0.85rem;
    }
    .footer-bottom a {
      color: #cbd5e1;
    }
    .footer-bottom a:hover {
      color: var(--primary);
    }
    .float-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-lg);
      cursor: pointer;
      border: none;
      transition: var(--transition);
      position: relative;
    }
    .float-btn:hover {
      transform: scale(1.08);
      background: var(--primary-hover);
    }
    .float-panel {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: var(--shadow-lg);
      width: 220px;
      text-align: center;
      display: none;
      color: var(--text-main);
    }
    .float-panel.show {
      display: block;
    }
    .float-panel img {
      width: 140px;
      height: 140px;
      margin: 0 auto 8px;
      border: 1px solid var(--border-color);
      border-radius: 6px;
    }
    .float-panel p {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
    }
    @media (max-width: 992px) {
      .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .hero-title {
        font-size: 2.2rem;
      }
    }
    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-wrapper {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        flex-direction: column;
        align-items: stretch;
        display: none;
        box-shadow: var(--shadow-md);
      }
      .nav-wrapper.active {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-item a {
        width: 100%;
        padding: 10px 14px;
      }
      .card-grid-4, .card-grid-3, .card-grid-2, .steps-timeline, .articles-grid {
        grid-template-columns: 1fr;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .review-score-hero {
        flex-direction: column;
        text-align: center;
        align-items: center;
      }
      .score-badge {
        justify-content: center;
      }
    }