:root {
      --primary-yellow: #FFD000;
      --primary-hover: #E6BC00;
      --accent-black: #111111;
      --text-dark: #1E2022;
      --text-muted: #5A6065;
      --text-light: #8C9399;
      --bg-light: #FDFDFB;
      --bg-cream: #FFFDEE;
      --bg-card: #FFFFFF;
      --border-color: #EBE5C8;
      --border-strong: #FFD000;
      --shadow-sm: 0 2px 8px rgba(255, 208, 0, 0.08);
      --shadow-card: 0 8px 24px rgba(17, 17, 17, 0.05);
      --shadow-hover: 0 12px 32px rgba(255, 208, 0, 0.22);
      --radius: 12px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.6;
      overflow-x: hidden;
      min-width: 320px;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    ul, ol {
      list-style: none;
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    .section-wrap {
      padding: 72px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-cream);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }
    .badge-label {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--accent-black);
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
    }
    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid var(--primary-yellow);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-box img.ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }
    .brand-name {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--accent-black);
      letter-spacing: -0.5px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }
    .nav-links a {
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-dark);
      border-radius: 6px;
    }
    .nav-links a:hover,
    .nav-links a.active {
      background-color: var(--primary-yellow);
      color: var(--accent-black);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-portal {
      background: var(--accent-black);
      color: var(--primary-yellow);
      padding: 9px 20px;
      font-size: 0.92rem;
      font-weight: 700;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      border: 1px solid var(--accent-black);
    }
    .btn-portal:hover {
      background: #2a2a2a;
      transform: translateY(-1px);
    }
    .menu-toggle {
      display: none;
      background: none;
      border: 2px solid var(--accent-black);
      padding: 6px 10px;
      border-radius: 6px;
      cursor: pointer;
    }
    /* 首屏 Hero (无任何图片) */
    .hero-section {
      background: linear-gradient(180deg, #FFFDE8 0%, #FFFFFF 100%);
      padding: 80px 0 64px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }
    .hero-deco-grid {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: radial-gradient(var(--primary-yellow) 1.5px, transparent 1.5px);
      background-size: 28px 28px;
      opacity: 0.25;
      pointer-events: none;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }
    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      border: 1px solid var(--primary-yellow);
      padding: 6px 18px;
      border-radius: 50px;
      font-size: 0.88rem;
      font-weight: 700;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }
    .hero-pill span.point {
      width: 8px;
      height: 8px;
      background: #FF5500;
      border-radius: 50%;
      display: inline-block;
    }
    h1.hero-main-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--accent-black);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-highlight {
      background: linear-gradient(180deg, transparent 65%, var(--primary-yellow) 65%);
      padding: 0 4px;
    }
    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 44px;
    }
    .btn-hero-primary {
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-size: 1.1rem;
      font-weight: 800;
      padding: 14px 38px;
      border-radius: 10px;
      box-shadow: 0 6px 18px rgba(255, 208, 0, 0.45);
      border: 2px solid var(--primary-yellow);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-hero-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(255, 208, 0, 0.55);
    }
    .btn-hero-secondary {
      background: #FFFFFF;
      color: var(--accent-black);
      font-size: 1.05rem;
      font-weight: 700;
      padding: 14px 32px;
      border-radius: 10px;
      border: 2px solid var(--accent-black);
    }
    .btn-hero-secondary:hover {
      background: #F7F7F7;
      transform: translateY(-2px);
    }
    .hero-feature-tags {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .hero-feature-tags span {
      background: #FFFFFF;
      border: 1px solid #EBE5C8;
      padding: 7px 16px;
      font-size: 0.88rem;
      color: var(--text-dark);
      border-radius: 8px;
      font-weight: 600;
      box-shadow: 0 2px 6px rgba(0,0,0,0.02);
    }
    /* 数据卡片 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: -30px;
      position: relative;
      z-index: 5;
    }
    .metric-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-card);
      border-top: 4px solid var(--primary-yellow);
      transition: var(--transition);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .metric-num {
      font-size: 2.3rem;
      font-weight: 900;
      color: var(--accent-black);
      line-height: 1;
      margin-bottom: 6px;
    }
    .metric-num span {
      color: #FF5500;
      font-size: 1.4rem;
    }
    .metric-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 0.8rem;
      color: var(--text-light);
    }
    /* 多模型聚合矩阵 */
    .models-marquee-container {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: var(--shadow-card);
    }
    .model-chip-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 18px;
    }
    .model-chip {
      background: #FDFCE8;
      border: 1px solid #F0E8AB;
      padding: 8px 16px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 700;
      color: #333333;
      transition: var(--transition);
    }
    .model-chip:hover {
      background: var(--primary-yellow);
      transform: scale(1.05);
    }
    /* AIGC 服务场景卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary-yellow);
      box-shadow: var(--shadow-hover);
    }
    .service-icon-box {
      width: 48px;
      height: 48px;
      background: var(--primary-yellow);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 18px;
      font-weight: 800;
      color: var(--accent-black);
    }
    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--accent-black);
    }
    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .service-tag {
      font-size: 0.8rem;
      font-weight: 600;
      color: #7D6B00;
      background: #FFF9D2;
      padding: 4px 10px;
      border-radius: 6px;
      display: inline-block;
      width: fit-content;
    }
    /* 一站式制作流程 */
    .step-flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      position: relative;
      box-shadow: var(--shadow-card);
    }
    .step-num {
      width: 36px;
      height: 36px;
      background: var(--primary-yellow);
      color: var(--accent-black);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      margin-bottom: 14px;
    }
    .step-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .step-item p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    /* 对比评测高标准板块 */
    .review-score-hero {
      background: #FFFFFF;
      border: 2px solid var(--primary-yellow);
      border-radius: var(--radius);
      padding: 32px;
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
      flex-wrap: wrap;
      gap: 20px;
    }
    .score-left {
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .score-big {
      font-size: 3.8rem;
      font-weight: 900;
      color: var(--accent-black);
      line-height: 1;
      background: var(--primary-yellow);
      padding: 12px 24px;
      border-radius: 12px;
    }
    .score-info h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 6px;
    }
    .stars {
      color: #FF9900;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }
    .score-features {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .score-badge {
      background: #FFFCE0;
      border: 1px solid #EEDB5E;
      padding: 8px 14px;
      border-radius: 8px;
      font-size: 0.88rem;
      font-weight: 700;
      color: #554400;
    }
    .compare-table-wrapper {
      background: #FFFFFF;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      overflow-x: auto;
      box-shadow: var(--shadow-card);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 18px 20px;
      border-bottom: 1px solid #EBE5C8;
      font-size: 0.95rem;
    }
    .compare-table th {
      background: #FDF8D8;
      color: var(--accent-black);
      font-weight: 800;
    }
    .compare-table tr:hover td {
      background: #FFFDF2;
    }
    .compare-table td.brand-col {
      background: #FFFDEE;
      font-weight: 700;
      color: #B28200;
    }
    .status-yes {
      color: #0E8A16;
      font-weight: 800;
    }
    .status-no {
      color: #A0A5AA;
    }
    /* Token 比价板块 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .pricing-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 32px 24px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
    }
    .pricing-card.popular {
      border: 2px solid var(--primary-yellow);
      background: #FFFDF4;
    }
    .pricing-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-yellow);
      color: var(--accent-black);
      padding: 4px 16px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 800;
    }
    .pricing-card h3 {
      font-size: 1.3rem;
      margin-bottom: 12px;
    }
    .price-value {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--accent-black);
      margin-bottom: 16px;
    }
    .price-value small {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: normal;
    }
    .pricing-list {
      margin: 20px 0;
      text-align: left;
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .pricing-list li {
      padding: 6px 0;
      border-bottom: 1px dashed #EBE5C8;
    }
    /* 素材展示与案例中心 (真实素材图) */
    .showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      align-items: stretch;
    }
    .showcase-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 16px;
      box-shadow: var(--shadow-card);
      overflow: hidden;
    }
    .media-box {
      border-radius: 8px;
      overflow: hidden;
      margin-bottom: 14px;
      background: #F0F0F0;
    }
    .media-box img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }
    .media-box img:hover {
      transform: scale(1.02);
    }
    .showcase-info h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .showcase-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    /* 客户评价板块 (6 条完整评价) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-text {
      font-size: 0.94rem;
      color: var(--text-dark);
      line-height: 1.6;
      margin-bottom: 18px;
      position: relative;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F0E8C8;
      padding-top: 14px;
    }
    .author-avatar {
      width: 42px;
      height: 42px;
      background: var(--primary-yellow);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
      color: var(--accent-black);
    }
    .author-meta h5 {
      font-size: 0.95rem;
      font-weight: 700;
    }
    .author-meta span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    /* FAQ 折叠面板 (不少于 10 条) */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--accent-black);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #FFFFFF;
    }
    .faq-question:hover {
      background: #FFFDF4;
    }
    .faq-icon {
      font-size: 1.2rem;
      font-weight: 800;
      transition: transform 0.25s ease;
      color: #9E8200;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      background: #FFFDF6;
      color: var(--text-muted);
      font-size: 0.93rem;
      line-height: 1.7;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 14px 24px 20px 24px;
      border-top: 1px solid #F5EFCF;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    /* 需求表单与加盟代理 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 40px;
      box-shadow: var(--shadow-card);
    }
    .contact-form-side h3, .contact-info-side h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #D8D2B0;
      border-radius: 8px;
      font-size: 0.95rem;
      background: #FAFAFA;
      transition: var(--transition);
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary-yellow);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(255, 208, 0, 0.25);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }
    .btn-submit {
      width: 100%;
      background: var(--primary-yellow);
      color: var(--accent-black);
      font-size: 1.05rem;
      font-weight: 800;
      padding: 14px;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      transition: var(--transition);
    }
    .btn-submit:hover {
      background: var(--primary-hover);
      box-shadow: 0 4px 14px rgba(255, 208, 0, 0.35);
    }
    .info-item {
      display: flex;
      gap: 14px;
      margin-bottom: 18px;
      align-items: flex-start;
    }
    .info-icon {
      background: var(--primary-yellow);
      width: 38px;
      height: 38px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
    }
    .info-text strong {
      display: block;
      font-size: 0.95rem;
      color: var(--accent-black);
    }
    .info-text span {
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .qr-box {
      margin-top: 24px;
      padding: 16px;
      background: #FFFDF0;
      border: 1px dashed var(--border-color);
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      gap: 16px;
    }
    .qr-box img {
      width: 90px;
      height: 90px;
      border-radius: 6px;
      object-fit: cover;
    }
    /* 文章与资讯推荐 */
    .article-links-container {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .article-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }
    .article-chip {
      background: #FAF8EA;
      border: 1px solid #ECE4B5;
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-dark);
      transition: var(--transition);
    }
    .article-chip:hover {
      background: var(--primary-yellow);
      border-color: var(--primary-yellow);
    }
    /* 页脚与友情链接 */
    .site-footer {
      background: #111111;
      color: #D5D9DC;
      padding: 60px 0 30px 0;
      border-top: 4px solid var(--primary-yellow);
    }
    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 32px;
      margin-bottom: 40px;
    }
    .footer-brand h4 {
      font-size: 1.4rem;
      color: #FFFFFF;
      margin-bottom: 12px;
    }
    .footer-brand p {
      font-size: 0.88rem;
      color: #9BA1A6;
      line-height: 1.7;
    }
    .footer-col h5 {
      font-size: 1.05rem;
      color: #FFFFFF;
      margin-bottom: 16px;
      position: relative;
      padding-bottom: 6px;
    }
    .footer-col h5::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--primary-yellow);
    }
    .footer-links-list li {
      margin-bottom: 8px;
    }
    .footer-links-list a {
      color: #9BA1A6;
      font-size: 0.88rem;
    }
    .footer-links-list a:hover {
      color: var(--primary-yellow);
    }
    .friend-links-box {
      border-top: 1px solid #26282B;
      padding-top: 24px;
      margin-bottom: 24px;
    }
    .friend-links-box span {
      color: #80868B;
      font-size: 0.85rem;
      margin-right: 12px;
    }
    .friend-links-box a {
      color: #A6ADB3;
      font-size: 0.85rem;
      margin-right: 14px;
      display: inline-block;
      margin-bottom: 6px;
    }
    .friend-links-box a:hover {
      color: var(--primary-yellow);
    }
    .footer-bottom {
      border-top: 1px solid #222426;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: #7A8187;
      flex-wrap: wrap;
      gap: 12px;
    }
    /* 悬浮客服挂件 */
    .float-service {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      background: var(--primary-yellow);
      color: var(--accent-black);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      box-shadow: 0 4px 16px rgba(0,0,0,0.2);
      cursor: pointer;
      position: relative;
    }
    .float-btn:hover .float-hover-content {
      display: block;
    }
    .float-hover-content {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #FFFFFF;
      padding: 12px;
      border-radius: 8px;
      box-shadow: 0 6px 20px rgba(0,0,0,0.15);
      width: 140px;
      text-align: center;
      border: 1px solid var(--border-color);
    }
    .float-hover-content img {
      width: 100%;
      height: auto;
      border-radius: 4px;
    }
    .float-hover-content p {
      font-size: 0.75rem;
      color: var(--text-dark);
      margin-top: 6px;
      font-weight: 700;
    }
    /* 响应式断点 */
    @media (max-width: 992px) {
      .nav-links {
        display: none;
      }
      .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        border-bottom: 2px solid var(--primary-yellow);
        padding: 16px 20px;
        box-shadow: var(--shadow-card);
      }
      .menu-toggle {
        display: block;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-flow {
        grid-template-columns: repeat(2, 1fr);
      }
      .pricing-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .showcase-grid {
        grid-template-columns: 1fr;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 640px) {
      h1.hero-main-title {
        font-size: 2rem;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .step-flow {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .score-left {
        flex-direction: column;
        text-align: center;
      }
    }