:root {
      --candy-pink: #ff6b8b;
      --candy-peach: #ffa07a;
      --candy-yellow: #feca57;
      --candy-mint: #1dd1a1;
      --candy-cyan: #48dbfb;
      --candy-purple: #9b59b6;
      --candy-blue: #54a0ff;
      --bg-cream: #fffdf9;
      --bg-soft-gradient: linear-gradient(135deg, #fff7f9 0%, #fffcf5 50%, #f4fbff 100%);
      --text-main: #222f3e;
      --text-muted: #576574;
      --card-bg: #ffffff;
      --card-border: rgba(255, 107, 139, 0.15);
      --card-shadow: 0 10px 30px rgba(84, 160, 255, 0.08);
      --radius-lg: 20px;
      --radius-sm: 10px;
      --container-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

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

    ul, ol {
      list-style: none;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(254, 202, 87, 0.3);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    }

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

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

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

    .brand-text {
      font-size: 20px;
      font-weight: 800;
      background: linear-gradient(45deg, var(--candy-pink), var(--candy-blue));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-links a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      border-radius: 20px;
      margin: 0 2px;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--candy-pink);
      background: rgba(255, 107, 139, 0.08);
    }

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

    .btn-candy {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: 30px;
      font-weight: 700;
      font-size: 14px;
      color: #ffffff;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-peach));
      box-shadow: 0 4px 15px rgba(255, 107, 139, 0.35);
      border: none;
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-candy:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 107, 139, 0.45);
      color: #ffffff;
    }

    .btn-candy-blue {
      background: linear-gradient(135deg, var(--candy-blue), var(--candy-cyan));
      box-shadow: 0 4px 15px rgba(84, 160, 255, 0.35);
    }

    .btn-candy-blue:hover {
      box-shadow: 0 6px 20px rgba(84, 160, 255, 0.45);
    }

    .btn-outline {
      border: 2px solid var(--candy-blue);
      color: var(--candy-blue);
      background: transparent;
      padding: 8px 18px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 14px;
    }

    .btn-outline:hover {
      background: var(--candy-blue);
      color: #ffffff;
    }

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

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      background: rgba(255, 107, 139, 0.12);
      border: 1px solid rgba(255, 107, 139, 0.3);
      color: var(--candy-pink);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: var(--text-main);
    }

    .hero-title span {
      background: linear-gradient(120deg, var(--candy-pink), var(--candy-purple), var(--candy-blue));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.6;
    }

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

    .hero-btn-group .btn-candy-main {
      padding: 14px 34px;
      font-size: 16px;
      border-radius: 40px;
      font-weight: 800;
      background: linear-gradient(135deg, #ff4757, #ff6b81, #ffa502);
      box-shadow: 0 8px 25px rgba(255, 71, 87, 0.38);
      color: #fff;
    }

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

    .stat-card {
      background: #ffffff;
      padding: 24px 16px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(254, 202, 87, 0.4);
      box-shadow: var(--card-shadow);
      text-align: center;
      transition: transform 0.25s ease;
    }

    .stat-card:hover {
      transform: translateY(-5px);
    }

    .stat-num {
      font-size: 32px;
      font-weight: 900;
      color: var(--candy-pink);
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 600;
    }

    .section-block {
      padding: 60px 0;
    }

    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 40px;
    }

    .section-tag {
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--candy-blue);
      background: rgba(84, 160, 255, 0.1);
      padding: 4px 14px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 12px;
    }

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

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

    .platform-intro-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid rgba(29, 209, 161, 0.25);
      box-shadow: var(--card-shadow);
      margin-bottom: 40px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
      justify-content: center;
    }

    .tag-item {
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      background: #f8faff;
      border: 1px solid rgba(84, 160, 255, 0.2);
      color: var(--text-main);
    }

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

    .service-card {
      background: #ffffff;
      padding: 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--card-border);
      box-shadow: var(--card-shadow);
      position: relative;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 15px 35px rgba(255, 107, 139, 0.15);
      border-color: var(--candy-pink);
    }

    .service-badge {
      display: inline-block;
      padding: 3px 10px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #fff;
    }

    .badge-pink { background: var(--candy-pink); }
    .badge-blue { background: var(--candy-blue); }
    .badge-mint { background: var(--candy-mint); }
    .badge-purple { background: var(--candy-purple); }
    .badge-yellow { background: #e58e26; }

    .service-title {
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 16px;
    }

    .service-features {
      font-size: 13px;
      color: var(--candy-blue);
      font-weight: 600;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

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

    .step-item {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(84, 160, 255, 0.2);
      box-shadow: var(--card-shadow);
      position: relative;
    }

    .step-badge-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-peach));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .step-name {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-bottom: 24px;
    }

    .gallery-box {
      background: #fff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(254, 202, 87, 0.4);
      box-shadow: var(--card-shadow);
    }

    .gallery-img-container {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f8f9fa;
      overflow: hidden;
    }

    .gallery-img-container.square-box {
      aspect-ratio: 1 / 1;
      max-width: 400px;
      margin: 0 auto;
    }

    .gallery-img-container img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .gallery-img-container img:hover {
      transform: scale(1.03);
    }

    .gallery-info {
      padding: 18px 24px;
    }

    .gallery-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 6px;
    }

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

    .banners-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .banners-strip img {
      width: 100%;
      height: 120px;
      object-fit: cover;
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    }

    .eval-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 2px solid var(--candy-yellow);
      box-shadow: 0 12px 36px rgba(254, 202, 87, 0.2);
    }

    .score-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      background: linear-gradient(135deg, #fff9e6, #fff0f3);
      padding: 24px 30px;
      border-radius: var(--radius-sm);
      margin-bottom: 30px;
    }

    .score-left {
      display: flex;
      align-items: center;
      gap: 18px;
    }

    .score-digit {
      font-size: 48px;
      font-weight: 900;
      color: #ff4757;
      line-height: 1;
    }

    .score-text-area h4 {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-main);
    }

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

    .stars {
      color: #ffa502;
      font-size: 22px;
      letter-spacing: 2px;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

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

    .custom-table th, .custom-table td {
      padding: 14px 18px;
      border-bottom: 1px solid #f1f2f6;
    }

    .custom-table th {
      background: #f8faff;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .td-highlight {
      font-weight: 700;
      color: var(--candy-pink);
    }

    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(84, 160, 255, 0.18);
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .avatar-char {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-yellow));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
    }

    .user-meta h4 {
      font-size: 15px;
      font-weight: 700;
    }

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

    .review-body {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(0, 0, 0, 0.06);
      overflow: hidden;
      transition: border-color 0.25s ease;
    }

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

    .faq-header {
      padding: 16px 20px;
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

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

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

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 20px;
      background: #fffdfd;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .faq-item.active .faq-content {
      padding: 0 20px 18px 20px;
      max-height: 200px;
    }

    .contact-form-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid rgba(84, 160, 255, 0.2);
      box-shadow: var(--card-shadow);
    }

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

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

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

    .form-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid #dfe4ea;
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s ease;
      background: #fafbff;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--candy-blue);
      background: #ffffff;
    }

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

    .contact-info-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
      margin-top: 30px;
    }

    .qr-card {
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius-lg);
      border: 1px dashed var(--candy-pink);
      text-align: center;
      display: inline-block;
    }

    .qr-card img {
      width: 140px;
      height: 140px;
      display: block;
      margin: 0 auto 10px;
      border-radius: var(--radius-sm);
      object-fit: cover;
    }

    .article-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .article-item {
      background: #fff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid #f1f2f6;
      box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    }

    .article-item a {
      font-size: 14px;
      font-weight: 600;
      color: var(--candy-blue);
    }

    .article-item a:hover {
      text-decoration: underline;
    }

    .agent-box {
      background: linear-gradient(135deg, #fff0f5 0%, #f0f7ff 100%);
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid rgba(255, 107, 139, 0.2);
      text-align: center;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin: 24px 0;
      text-align: left;
    }

    .perk-item {
      background: #fff;
      padding: 18px;
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 12px rgba(0,0,0,0.02);
    }

    .perk-title {
      font-weight: 700;
      color: var(--candy-pink);
      margin-bottom: 6px;
    }

    .site-footer {
      background: #ffffff;
      border-top: 1px solid #dfe4ea;
      padding: 40px 0 24px;
      color: var(--text-muted);
      font-size: 13px;
    }

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

    .footer-col h5 {
      font-size: 15px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

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

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

    .footer-links a:hover {
      color: var(--candy-pink);
    }

    .footer-bottom {
      border-top: 1px solid #f1f2f6;
      padding-top: 20px;
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #fff;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--candy-pink);
      font-size: 18px;
      cursor: pointer;
      border: 1px solid rgba(255, 107, 139, 0.2);
      transition: all 0.25s ease;
    }

    .float-btn:hover {
      background: var(--candy-pink);
      color: #fff;
      transform: translateY(-3px);
    }

    @media (max-width: 992px) {
      .stat-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .review-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .gallery-grid {
        grid-template-columns: 1fr;
      }
      .banners-strip {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .agent-perks {
        grid-template-columns: 1fr;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 72px;
        left: 0;
        background: #ffffff;
        padding: 16px 20px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.08);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        padding: 10px 0;
      }
      .contact-info-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 600px) {
      .hero-title {
        font-size: 28px;
      }
      .stat-grid, .service-grid, .step-grid, .review-grid, .banners-strip {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .article-list {
        grid-template-columns: 1fr;
      }
    }