:root {
      --primary: #4f46e5;
      --primary-light: #6366f1;
      --secondary: #ec4899;
      --accent: #f59e0b;
      --cyan: #06b6d4;
      --dark: #0f172a;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --gradient-main: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      --gradient-subtle: linear-gradient(180deg, #f1f5f9 0%, #f8fafc 100%);
      --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 14px -2px rgba(79, 70, 229, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 10px 25px -3px rgba(79, 70, 229, 0.12), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
      --radius: 12px;
      --transition: all 0.25s ease-in-out;
    }
    * {
      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(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .section-padding {
      padding: 72px 0;
    }
    .section-title-wrap {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
      color: var(--primary);
      font-size: 0.875rem;
      font-weight: 600;
      border-radius: 50px;
      margin-bottom: 12px;
      border: 1px solid rgba(79, 70, 229, 0.2);
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .logo-box {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      font-size: 1.25rem;
      color: var(--dark);
    }
    .logo-box .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
      padding: 10px 14px;
      border-radius: 6px;
      display: inline-block;
    }
    .nav-links li a:hover {
      color: var(--primary);
      background-color: #f1f5f9;
    }
    .nav-action-box {
      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: 600;
      border-radius: 8px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }
    .btn-primary {
      background: var(--gradient-main);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }
    .btn-primary:hover {
      opacity: 0.92;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
    }
    .btn-outline {
      background-color: #ffffff;
      border-color: var(--border-color);
      color: var(--text-main);
    }
    .btn-outline:hover {
      background-color: #f8fafc;
      border-color: var(--primary);
      color: var(--primary);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--dark);
    }

    /* 首屏 Hero (严格无图片) */
    .hero-section {
      background: linear-gradient(135deg, #eef2ff 0%, #fdf2f8 50%, #fef3c7 100%);
      padding: 90px 0 80px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    }
    .hero-inner {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.9);
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.9rem;
      color: var(--primary);
      font-weight: 700;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
      border: 1px solid rgba(79, 70, 229, 0.2);
    }
    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--dark);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-title .text-gradient {
      background: var(--gradient-main);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-btns {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }
    .hero-btn-official {
      padding: 14px 34px;
      font-size: 1.1rem;
      font-weight: 700;
      border-radius: 10px;
    }
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 20px;
    }
    .metric-card {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(8px);
      padding: 22px 16px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }
    .metric-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .metric-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台介绍与模型矩阵 */
    .platform-features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: var(--bg-card);
      padding: 30px 24px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }
    .feature-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.12) 0%, rgba(236, 72, 153, 0.12) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.4rem;
      margin-bottom: 20px;
      font-weight: bold;
    }
    .feature-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--dark);
    }
    .feature-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 模型矩阵徽章云 */
    .model-matrix-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 30px;
      margin-top: 36px;
      box-shadow: var(--shadow-sm);
    }
    .model-matrix-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .tag-item {
      background: #f1f5f9;
      color: var(--text-main);
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 0.88rem;
      font-weight: 600;
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }
    .tag-item:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }

    /* 一站式制作应用场景 (多卡片展示) */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scenario-card {
      background: var(--bg-card);
      padding: 24px 20px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .scenario-card:hover {
      border-color: var(--secondary);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }
    .scenario-badge {
      font-size: 0.78rem;
      color: var(--secondary);
      background: rgba(236, 72, 153, 0.1);
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 700;
      align-self: flex-start;
      margin-bottom: 12px;
    }
    .scenario-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }
    .scenario-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 宣传图与案例展示 (首屏下方正常展示图片) */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 32px;
    }
    .media-card {
      background: #ffffff;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .media-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .media-img-wrap {
      width: 100%;
      height: 180px;
      overflow: hidden;
      background-color: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .media-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .media-card:hover img {
      transform: scale(1.05);
    }
    .media-info {
      padding: 16px;
    }
    .media-info h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 6px;
    }
    .media-info p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 行业解决方案与流程 */
    .solutions-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .solution-box {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 30px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .solution-box:hover {
      border-color: var(--accent);
      box-shadow: var(--shadow-md);
    }
    .solution-box h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--dark);
    }
    .solution-list {
      list-style: none;
      margin-top: 14px;
    }
    .solution-list li {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .solution-list li::before {
      content: "✓";
      color: #10b981;
      font-weight: bold;
    }

    /* 标准交付流程 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }
    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--gradient-main);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      font-size: 1.1rem;
    }
    .step-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }
    .step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 对比评测 板块 (严格突出五星、9.9分) */
    .review-score-banner {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      color: #ffffff;
      border-radius: var(--radius);
      padding: 36px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      box-shadow: var(--shadow-lg);
    }
    .score-left h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .score-left p {
      font-size: 1rem;
      opacity: 0.9;
    }
    .score-right {
      text-align: right;
    }
    .score-big {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1;
      color: #fbbf24;
    }
    .score-stars {
      font-size: 1.3rem;
      color: #fbbf24;
      margin-top: 4px;
    }
    .score-full {
      font-size: 0.95rem;
      opacity: 0.85;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }
    .compare-table th {
      background-color: #f8fafc;
      color: var(--dark);
      font-weight: 700;
    }
    .compare-table tr:hover td {
      background-color: #faf5ff;
    }
    .highlight-col {
      color: var(--primary);
      font-weight: 700;
      background-color: rgba(79, 70, 229, 0.03);
    }

    /* Token 比价板块 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .token-model-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 6px;
    }
    .token-price-row {
      display: flex;
      align-items: baseline;
      gap: 8px;
      margin: 14px 0;
    }
    .price-discount {
      font-size: 1.6rem;
      font-weight: 800;
      color: #ef4444;
    }
    .price-origin {
      font-size: 0.9rem;
      color: #94a3b8;
      text-decoration: line-through;
    }
    .token-tag {
      font-size: 0.8rem;
      padding: 3px 8px;
      background: #ecfdf5;
      color: #059669;
      border-radius: 4px;
      font-weight: 600;
    }

    /* 用户评论 (6条) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 1.1rem;
    }
    .testi-text {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }
    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--gradient-main);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }
    .author-info h5 {
      font-size: 0.95rem;
      color: var(--dark);
      font-weight: 700;
    }
    .author-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ 折叠面板 (不少于10条) */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #ffffff;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item.active {
      border-color: var(--primary-light);
    }
    .faq-question {
      padding: 18px 22px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
    }
    .faq-question:hover {
      color: var(--primary);
    }
    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.25s ease;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(180deg);
    }
    .faq-answer {
      display: none;
      padding: 0 22px 20px 22px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed #f1f5f9;
      margin-top: 4px;
      padding-top: 14px;
    }

    /* 需求匹配与表单板块 */
    .form-section-wrap {
      background: #ffffff;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      padding: 40px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
    .form-info h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 12px;
    }
    .form-info p {
      color: var(--text-muted);
      font-size: 0.98rem;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .contact-meta-list li {
      font-size: 0.92rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .contact-meta-list strong {
      color: var(--dark);
    }
    .custom-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--dark);
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.92rem;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      background-color: #f8fafc;
    }
    .form-control:focus {
      border-color: var(--primary);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* 文章列表与行业资讯 */
    .article-section-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 28px;
      margin-top: 24px;
    }
    .article-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 16px;
    }
    .article-link-tag {
      background: #f1f5f9;
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 0.88rem;
      color: var(--primary);
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }
    .article-link-tag:hover {
      background: var(--primary);
      color: #ffffff;
    }

    /* 加盟代理板块 */
    .agent-card-banner {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border-radius: 16px;
      padding: 48px 40px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 30px;
    }
    .agent-text h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }
    .agent-text p {
      font-size: 1rem;
      opacity: 0.88;
      max-width: 650px;
      line-height: 1.65;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 32px 0;
      color: var(--text-main);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 32px;
      margin-bottom: 36px;
    }
    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 16px;
    }
    .footer-col p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links li a {
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .footer-links li a:hover {
      color: var(--primary);
    }
    .footer-qr-box {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }
    .footer-qr-box img {
      width: 100px;
      height: 100px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
    }
    .footer-qr-box span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .friend-links-bar {
      border-top: 1px solid #f1f5f9;
      padding: 20px 0;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.88rem;
    }
    .friend-links-title {
      font-weight: 700;
      color: var(--dark);
    }
    .friend-links-bar a {
      color: var(--text-muted);
    }
    .friend-links-bar a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 悬浮客服挂件与返回顶部 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary);
      box-shadow: 0 4px 16px rgba(0,0,0,0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      border: 1px solid var(--border-color);
      transition: var(--transition);
      font-size: 1.2rem;
      font-weight: bold;
    }
    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-3px);
    }
    #backToTop {
      display: none;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.3rem; }
      .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
      .platform-features-grid, .solutions-row, .token-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
      .process-steps, .media-showcase-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .mobile-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.show { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { width: 100%; padding: 12px 16px; }
      .hero-title { font-size: 1.85rem; }
      .hero-metrics { grid-template-columns: repeat(2, 1fr); }
      .platform-features-grid, .solutions-row, .token-grid, .testimonials-grid, .scenarios-grid, .process-steps, .media-showcase-grid { grid-template-columns: 1fr; }
      .form-section-wrap { grid-template-columns: 1fr; padding: 24px 18px; }
      .agent-card-banner { flex-direction: column; text-align: center; padding: 32px 20px; }
      .review-score-banner { flex-direction: column; text-align: center; gap: 20px; }
      .score-right { text-align: center; }
      .footer-grid { grid-template-columns: 1fr; }
    }