:root {
      --bg-main: #f7f9fd;
      --bg-card: rgba(255, 255, 255, 0.85);
      --bg-card-hover: rgba(255, 255, 255, 0.98);
      --text-main: #131b2e;
      --text-muted: #53627c;
      --text-light: #7b8ba5;
      --holo-1: #ff5e98;
      --holo-2: #8a4fff;
      --holo-3: #00d2ff;
      --holo-4: #00f0aa;
      --holo-grad: linear-gradient(135deg, #ff5e98 0%, #8a4fff 35%, #00d2ff 70%, #00f0aa 100%);
      --holo-subtle: linear-gradient(135deg, rgba(255,94,152,0.08) 0%, rgba(138,79,255,0.08) 35%, rgba(0,210,255,0.08) 70%, rgba(0,240,170,0.08) 100%);
      --holo-border: linear-gradient(135deg, rgba(255,94,152,0.4), rgba(138,79,255,0.4), rgba(0,210,255,0.4));
      --shadow-sm: 0 4px 14px rgba(19, 27, 46, 0.05);
      --shadow-md: 0 10px 30px rgba(138, 79, 255, 0.08);
      --shadow-lg: 0 18px 45px rgba(0, 210, 255, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --max-width: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-main);
      background-image: 
        radial-gradient(at 0% 0%, rgba(255, 94, 152, 0.06) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(0, 210, 255, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(138, 79, 255, 0.04) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 240, 170, 0.06) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(255, 94, 152, 0.05) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      background: rgba(255, 255, 255, 0.85);
      border-bottom: 1px solid rgba(138, 79, 255, 0.15);
      transition: all 0.3s ease;
    }

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

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

    .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
    }

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

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      display: block;
      transition: all 0.2s;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--holo-2);
      background: rgba(138, 79, 255, 0.08);
    }

    .nav-action {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-left: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      white-space: nowrap;
    }

    .btn-holo {
      background: var(--holo-grad);
      color: #ffffff !important;
      box-shadow: 0 4px 18px rgba(138, 79, 255, 0.35);
    }

    .btn-holo:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(138, 79, 255, 0.5);
    }

    .btn-outline {
      background: #ffffff;
      color: var(--holo-2);
      border: 1px solid rgba(138, 79, 255, 0.3);
    }

    .btn-outline:hover {
      background: rgba(138, 79, 255, 0.05);
      border-color: var(--holo-2);
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      padding: 6px;
      cursor: pointer;
      color: var(--text-main);
    }

    .hero-section {
      padding: 80px 0 60px;
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: var(--radius-full);
      background: linear-gradient(90deg, rgba(255,94,152,0.12), rgba(0,210,255,0.12));
      border: 1px solid rgba(138, 79, 255, 0.25);
      color: var(--holo-2);
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -1px;
      margin-bottom: 20px;
      color: #111827;
    }

    .holo-text {
      background: var(--holo-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }

    .hero-cta .btn-lg {
      padding: 14px 34px;
      font-size: 1.05rem;
    }

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

    .metric-card {
      background: var(--bg-card);
      border: 1px solid rgba(138, 79, 255, 0.18);
      padding: 24px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--holo-grad);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .metric-value {
      font-size: 2rem;
      font-weight: 800;
      color: var(--holo-2);
      margin-bottom: 4px;
    }

    .metric-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    section {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 50px;
    }

    .section-badge {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--holo-2);
      background: rgba(138, 79, 255, 0.08);
      padding: 4px 14px;
      border-radius: var(--radius-full);
      margin-bottom: 12px;
      border: 1px solid rgba(138, 79, 255, 0.2);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .model-tags-wrapper {
      background: var(--bg-card);
      border: 1px solid rgba(138, 79, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 40px;
    }

    .model-tags-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--text-main);
    }

    .tags-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag-item {
      background: #ffffff;
      border: 1px solid rgba(0, 210, 255, 0.25);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 600;
      color: #2b3954;
      transition: all 0.25s;
    }

    .tag-item:hover {
      border-color: var(--holo-2);
      color: var(--holo-2);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(138, 79, 255, 0.15);
    }

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

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

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

    .holo-card {
      background: var(--bg-card);
      border: 1px solid rgba(138, 79, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
      display: flex;
      flex-direction: column;
    }

    .holo-card:hover {
      background: var(--bg-card-hover);
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(138, 79, 255, 0.4);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: var(--holo-subtle);
      border: 1px solid rgba(138, 79, 255, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--holo-2);
    }

    .card-icon svg {
      width: 24px;
      height: 24px;
    }

    .card-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .card-desc {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .card-features {
      list-style: none;
      font-size: 0.85rem;
      color: var(--text-muted);
      border-top: 1px solid rgba(138, 79, 255, 0.1);
      padding-top: 14px;
      margin-top: auto;
    }

    .card-features li {
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .card-features li::before {
      content: "•";
      color: var(--holo-3);
      font-weight: bold;
    }

    .flow-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .flow-step-card {
      background: var(--bg-card);
      border: 1px solid rgba(138, 79, 255, 0.16);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-num {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-full);
      background: var(--holo-grad);
      color: #ffffff;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      margin-bottom: 14px;
    }

    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .gallery-container {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      margin-top: 30px;
    }

    .img-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid rgba(138, 79, 255, 0.2);
      box-shadow: var(--shadow-sm);
      background: #ffffff;
    }

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

    .img-box:hover img {
      transform: scale(1.02);
    }

    .banner-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .banner-grid .ai-page-image {
      border-radius: var(--radius-sm);
      width: 100%;
      height: 140px;
      object-fit: cover;
      border: 1px solid rgba(138, 79, 255, 0.2);
    }

    .eval-section {
      background: linear-gradient(180deg, rgba(255,255,255,0.6) 0%, rgba(240,244,255,0.8) 100%);
      border-top: 1px solid rgba(138, 79, 255, 0.12);
      border-bottom: 1px solid rgba(138, 79, 255, 0.12);
    }

    .eval-header-card {
      background: var(--bg-card);
      border: 1px solid rgba(138, 79, 255, 0.25);
      border-radius: var(--radius-lg);
      padding: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      box-shadow: var(--shadow-md);
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 80px;
      height: 80px;
      border-radius: var(--radius-full);
      background: var(--holo-grad);
      color: #fff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      font-weight: 800;
    }

    .score-num {
      font-size: 1.8rem;
      line-height: 1;
    }

    .score-total {
      font-size: 0.75rem;
      opacity: 0.9;
    }

    .score-info h3 {
      font-size: 1.3rem;
      margin-bottom: 4px;
      color: var(--text-main);
    }

    .stars {
      color: #ffb800;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

    .table-container {
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid rgba(138, 79, 255, 0.15);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(19, 27, 46, 0.06);
    }

    .compare-table th {
      background: rgba(138, 79, 255, 0.05);
      color: var(--text-main);
      font-weight: 700;
    }

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

    .compare-table td.highlight {
      background: rgba(0, 210, 255, 0.04);
      font-weight: 600;
      color: var(--holo-2);
    }

    .form-wrapper {
      background: #ffffff;
      border: 1px solid rgba(138, 79, 255, 0.2);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-bottom: 20px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

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

    .form-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      border: 1px solid #d3d9e4;
      font-size: 0.92rem;
      background: #fafbfe;
      color: var(--text-main);
      transition: all 0.25s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--holo-2);
      box-shadow: 0 0 0 3px rgba(138, 79, 255, 0.15);
      background: #ffffff;
    }

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

    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid rgba(138, 79, 255, 0.16);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .faq-item:hover {
      border-color: var(--holo-2);
    }

    .faq-question {
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.02rem;
      color: var(--text-main);
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--holo-2);
      transition: transform 0.3s;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #fbfcfe;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

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

    .faq-item.active .faq-answer {
      max-height: 300px;
      transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
    }

    .review-card {
      background: #ffffff;
      border: 1px solid rgba(138, 79, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

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

    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-full);
      background: var(--holo-subtle);
      border: 1px solid rgba(138, 79, 255, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--holo-2);
    }

    .user-meta h4 {
      font-size: 0.98rem;
      color: var(--text-main);
    }

    .user-meta span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    .review-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    .agent-banner {
      background: linear-gradient(135deg, rgba(255,94,152,0.1), rgba(138,79,255,0.12), rgba(0,210,255,0.1));
      border: 1px solid rgba(138, 79, 255, 0.3);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

    .agent-info h3 {
      font-size: 1.6rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .agent-info p {
      font-size: 0.95rem;
      color: var(--text-muted);
      max-width: 600px;
    }

    .site-footer {
      background: #ffffff;
      border-top: 1px solid rgba(138, 79, 255, 0.15);
      padding: 60px 0 30px;
      color: var(--text-muted);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand p {
      margin-top: 14px;
      font-size: 0.9rem;
      line-height: 1.6;
      color: var(--text-muted);
    }

    .footer-col h4 {
      font-size: 1rem;
      color: var(--text-main);
      margin-bottom: 18px;
      font-weight: 700;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.9rem;
    }

    .footer-links li a {
      color: var(--text-muted);
    }

    .footer-links li a:hover {
      color: var(--holo-2);
      padding-left: 4px;
    }

    .qr-box {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }

    .qr-box img {
      width: 110px;
      height: 110px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(138, 79, 255, 0.2);
    }

    .qr-box span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    .friend-links-wrap {
      border-top: 1px solid rgba(19, 27, 46, 0.08);
      padding: 20px 0;
      margin-bottom: 20px;
    }

    .friend-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
    }

    .friend-links-list a {
      color: var(--text-light);
    }

    .friend-links-list a:hover {
      color: var(--holo-2);
    }

    .footer-bottom {
      border-top: 1px solid rgba(19, 27, 46, 0.06);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.85rem;
      color: var(--text-light);
      flex-wrap: wrap;
      gap: 12px;
    }

    .floating-contact {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-full);
      background: #ffffff;
      border: 1px solid rgba(138, 79, 255, 0.3);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--holo-2);
      cursor: pointer;
      transition: all 0.3s;
    }

    .float-btn:hover {
      background: var(--holo-grad);
      color: #ffffff;
      transform: scale(1.1);
    }

    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
      .gallery-container {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-toggle {
        display: block;
      }
      .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid rgba(138, 79, 255, 0.15);
        padding: 20px;
        flex-direction: column;
        display: none;
        box-shadow: var(--shadow-md);
      }
      .nav-menu.show {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .nav-links li a {
        padding: 12px;
      }
      .nav-action {
        margin-left: 0;
        margin-top: 16px;
        width: 100%;
        justify-content: center;
      }
      .grid-2, .grid-3, .grid-4, .flow-steps {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full {
        grid-column: span 1;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .banner-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .eval-header-card {
        flex-direction: column;
        align-items: flex-start;
      }
    }