:root {
      --candy-pink: #ff5e7e;
      --candy-yellow: #ffb830;
      --candy-cyan: #00c9a7;
      --candy-blue: #4d80e4;
      --candy-purple: #845ec2;
      --candy-cream: #fff9f6;
      --candy-card: #ffffff;
      --candy-border: #ffd9df;
      --text-main: #1f2430;
      --text-muted: #5c6270;
      --text-soft: #88909f;
      --shadow-sm: 0 4px 14px rgba(255, 94, 126, 0.08);
      --shadow-md: 0 10px 25px rgba(132, 94, 194, 0.12);
      --shadow-lg: 0 16px 36px rgba(77, 128, 228, 0.16);
      --radius-sm: 10px;
      --radius-md: 18px;
      --radius-lg: 28px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--candy-cream);
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 94, 126, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 201, 167, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(255, 184, 48, 0.05) 0%, transparent 50%);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      min-width: 320px;
    }

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

    ul, ol {
      list-style: none;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid rgba(255, 217, 223, 0.8);
      box-shadow: var(--shadow-sm);
    }

    .nav-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .brand-box .ai-page-logo {
      height: 44px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.3rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 13px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      border-radius: 8px;
    }

    .nav-links li a:hover {
      color: var(--candy-pink);
      background: rgba(255, 94, 126, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: var(--radius-lg);
      border: 2px solid transparent;
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-candy-primary {
      background: linear-gradient(135deg, var(--candy-pink), #ff7e5f);
      color: #ffffff;
      box-shadow: 0 6px 18px rgba(255, 94, 126, 0.35);
    }

    .btn-candy-primary:hover {
      box-shadow: 0 8px 22px rgba(255, 94, 126, 0.5);
    }

    .btn-candy-accent {
      background: linear-gradient(135deg, var(--candy-cyan), #05c46b);
      color: #ffffff;
      box-shadow: 0 6px 18px rgba(0, 201, 167, 0.3);
    }

    .btn-candy-outline {
      background: #ffffff;
      color: var(--candy-purple);
      border: 2px solid var(--candy-purple);
    }

    .btn-candy-outline:hover {
      background: rgba(132, 94, 194, 0.08);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 3px;
      background: var(--text-main);
      margin: 4px 0;
      border-radius: 2px;
      transition: 0.3s;
    }

    /* Section Styling */
    section {
      padding: 72px 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px;
    }

    .section-badge {
      display: inline-block;
      padding: 6px 18px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--candy-purple);
      background: rgba(132, 94, 194, 0.12);
      border-radius: var(--radius-lg);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
      border: 1px solid rgba(132, 94, 194, 0.25);
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Hero Section (No Images as required) */
    .hero-section {
      padding: 80px 0 68px;
      background: linear-gradient(180deg, #ffffff 0%, rgba(255, 245, 248, 0.8) 100%);
      border-bottom: 2px dashed rgba(255, 94, 126, 0.2);
    }

    .hero-content {
      text-align: center;
      max-width: 980px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 22px;
      border-radius: var(--radius-lg);
      background: linear-gradient(90deg, #ffeef1, #f0f7ff);
      border: 1px solid var(--candy-border);
      color: var(--candy-pink);
      font-weight: 700;
      font-size: 0.95rem;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-h1 {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 22px;
      letter-spacing: -0.8px;
    }

    .hero-h1 span {
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.8;
    }

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

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

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .hero-stat-card {
      background: #ffffff;
      padding: 22px 16px;
      border-radius: var(--radius-md);
      border: 2px solid var(--candy-border);
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease;
    }

    .hero-stat-card:hover {
      transform: translateY(-4px);
    }

    .stat-num {
      font-size: 2.1rem;
      font-weight: 900;
      color: var(--candy-pink);
      line-height: 1;
      margin-bottom: 8px;
    }

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

    /* Cards & Grids */
    .candy-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 2px solid #ffecf0;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .candy-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(255, 94, 126, 0.4);
    }

    .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;
      align-items: center;
    }

    /* Model Pill Cloud */
    .model-pills {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 30px;
    }

    .model-pill {
      background: #ffffff;
      border: 1.5px solid #ffd6e0;
      color: var(--text-main);
      padding: 8px 18px;
      border-radius: var(--radius-lg);
      font-size: 0.88rem;
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
      transition: all 0.2s ease;
    }

    .model-pill:hover {
      background: var(--candy-purple);
      color: #ffffff;
      border-color: var(--candy-purple);
      transform: translateY(-2px);
    }

    /* Workshop Cards */
    .workshop-icon {
      width: 54px;
      height: 54px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 18px;
      font-weight: 900;
    }

    .icon-pink { background: rgba(255, 94, 126, 0.15); color: var(--candy-pink); }
    .icon-cyan { background: rgba(0, 201, 167, 0.15); color: var(--candy-cyan); }
    .icon-yellow { background: rgba(255, 184, 48, 0.15); color: var(--candy-yellow); }
    .icon-blue { background: rgba(77, 128, 228, 0.15); color: var(--candy-blue); }
    .icon-purple { background: rgba(132, 94, 194, 0.15); color: var(--candy-purple); }

    .workshop-title {
      font-size: 1.22rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .workshop-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* Comparison Table */
    .table-container {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 2px solid var(--candy-border);
      box-shadow: var(--shadow-sm);
      overflow-x: auto;
      padding: 12px;
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .eval-table th, .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #fceef2;
    }

    .eval-table th {
      background: #fff5f7;
      color: var(--text-main);
      font-weight: 800;
      font-size: 0.95rem;
    }

    .eval-table td {
      font-size: 0.92rem;
      color: var(--text-muted);
    }

    .eval-table tr:hover td {
      background: #fffbfc;
    }

    .highlight-col {
      background: rgba(255, 94, 126, 0.04);
      color: var(--candy-pink);
      font-weight: 700;
    }

    .rating-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: var(--radius-lg);
      background: #fff2e0;
      color: #e67e22;
      font-weight: 800;
      font-size: 0.9rem;
    }

    /* Process Steps */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .process-card {
      background: #ffffff;
      padding: 24px 16px;
      border-radius: var(--radius-md);
      border: 2px solid #ffecf0;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--candy-pink);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 3px 12px;
      border-radius: 20px;
    }

    .step-title {
      font-size: 1.05rem;
      font-weight: 800;
      margin: 12px 0 8px;
      color: var(--text-main);
    }

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

    /* Media Showcase with Given Images */
    .media-card-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      margin-top: 32px;
    }

    .media-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 2px solid var(--candy-border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .media-box-banner {
      padding: 16px;
    }

    .media-box-banner img {
      border-radius: 12px;
      width: 100%;
      object-fit: cover;
    }

    .media-box-desc {
      padding: 16px 20px;
    }

    .media-box-desc h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .media-box-desc p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

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

    .faq-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 2px solid #ffeef2;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: border-color 0.25s ease;
    }

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

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #ffffff;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--candy-pink);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      padding: 0 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding-bottom: 20px;
    }

    /* Testimonials */
    .testimonial-card {
      background: #ffffff;
      padding: 28px;
      border-radius: var(--radius-md);
      border: 2px solid #ffedf1;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .user-info {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }

    .user-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-yellow));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .user-name {
      font-size: 1rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .user-role {
      font-size: 0.82rem;
      color: var(--text-soft);
    }

    .user-comment {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* Form Section */
    .form-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 2px solid var(--candy-border);
      padding: 40px;
      box-shadow: var(--shadow-md);
      max-width: 800px;
      margin: 0 auto;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 0.92rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 13px 18px;
      border-radius: var(--radius-sm);
      border: 2px solid #f0dfe3;
      background: #fffcfd;
      font-size: 0.95rem;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.25s ease;
    }

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

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

    /* Agency & Token Section */
    .agency-box {
      background: linear-gradient(135deg, #fff2f5, #f3f0ff);
      border: 2px solid var(--candy-border);
      border-radius: var(--radius-lg);
      padding: 44px;
      text-align: center;
      margin-top: 30px;
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 36px;
    }

    .pricing-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 32px 24px;
      border: 2px solid var(--candy-border);
      text-align: center;
      position: relative;
    }

    .pricing-card.featured {
      border: 2px solid var(--candy-pink);
      box-shadow: var(--shadow-md);
    }

    .pricing-tag {
      position: absolute;
      top: -12px;
      right: 24px;
      background: linear-gradient(90deg, var(--candy-pink), var(--candy-yellow));
      color: #fff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 3px 12px;
      border-radius: 12px;
    }

    .price-value {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--candy-pink);
      margin: 16px 0;
    }

    .price-unit {
      font-size: 0.9rem;
      font-weight: normal;
      color: var(--text-soft);
    }

    .price-features {
      margin: 20px 0;
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 2;
    }

    /* Articles List */
    .article-container {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 32px;
      border: 2px solid var(--candy-border);
    }

    .article-links-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .article-item-link {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 18px;
      background: #fffcfd;
      border: 1px solid #ffdbe2;
      border-radius: var(--radius-sm);
      color: var(--text-main);
      font-size: 0.92rem;
      font-weight: 600;
      word-break: break-all;
    }

    .article-item-link:hover {
      background: #fff0f3;
      border-color: var(--candy-pink);
      color: var(--candy-pink);
    }

    /* Floating Customer Service */
    .float-service {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 54px;
      height: 54px;
      border-radius: 50%;
      background: #ffffff;
      border: 2px solid var(--candy-pink);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--candy-pink);
      font-size: 1.4rem;
      position: relative;
      transition: transform 0.25s ease;
    }

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

    .qr-popover {
      position: absolute;
      right: 64px;
      bottom: 0;
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 2px solid var(--candy-border);
      width: 170px;
      text-align: center;
      display: none;
    }

    .float-btn:hover .qr-popover {
      display: block;
    }

    .qr-popover img {
      width: 100%;
      height: auto;
      border-radius: 8px;
      margin-bottom: 6px;
    }

    .qr-popover span {
      font-size: 0.78rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* Footer Alignment & Safe Styling */
    .site-footer {
      background: #ffffff;
      border-top: 2px solid var(--candy-border);
      padding: 60px 0 28px;
      margin-top: 40px;
    }

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

    .footer-col h5 {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
    }

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul li a {
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .footer-col ul li a:hover {
      color: var(--candy-pink);
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text-muted);
      font-size: 0.9rem;
      margin-bottom: 10px;
    }

    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }

    .friend-links a {
      font-size: 0.86rem;
      color: var(--text-muted);
      background: #fff5f7;
      padding: 5px 12px;
      border-radius: 6px;
      border: 1px solid #ffd9e2;
    }

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

    .footer-bottom {
      border-top: 1px solid #f9e6eb;
      padding-top: 24px;
      text-align: center;
      color: var(--text-soft);
      font-size: 0.86rem;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-h1 { font-size: 2.2rem; }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .process-grid { grid-template-columns: repeat(2, 1fr); }
      .media-card-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px 0;
        box-shadow: var(--shadow-md);
        border-bottom: 2px solid var(--candy-border);
      }
      .nav-links.active { display: flex; }
      .nav-links li { width: 100%; text-align: center; }
      .nav-links li a { display: block; padding: 12px 0; }
      .nav-cta-group .btn-candy-outline { display: none; }
      .hero-h1 { font-size: 1.85rem; }
      .hero-subtitle { font-size: 1.02rem; }
      .grid-3, .grid-4, .grid-2, .pricing-grid, .article-links-list { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .float-service { right: 14px; bottom: 20px; }
    }