:root {
      --primary: #00C261;
      --primary-hover: #00a853;
      --primary-dark: #064E3B;
      --primary-deep: #022c22;
      --accent-lime: #10B981;
      --accent-glow: rgba(0, 194, 97, 0.15);
      --bg-page: #F5FAF7;
      --bg-card: #FFFFFF;
      --bg-subtle: #E8F5EE;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-sub: #64748B;
      --border-color: #D1E7DD;
      --border-light: #E2ECE6;
      --shadow-sm: 0 2px 6px rgba(6, 78, 59, 0.04);
      --shadow-md: 0 8px 24px rgba(6, 78, 59, 0.07);
      --shadow-lg: 0 16px 36px rgba(0, 194, 97, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    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 {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

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

    .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      font-size: 0.7rem;
      font-weight: 700;
      background: var(--bg-subtle);
      color: var(--primary-dark);
      padding: 2px 8px;
      border-radius: 20px;
      border: 1px solid var(--border-color);
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-dark);
      background: var(--bg-subtle);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      padding: 10px 22px;
      font-size: 0.95rem;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
    }

    .btn-primary {
      background: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(0, 194, 97, 0.35);
    }

    .btn-primary:hover {
      background: var(--primary-hover);
      box-shadow: 0 6px 20px rgba(0, 194, 97, 0.45);
      transform: translateY(-1px);
      color: #FFFFFF;
    }

    .btn-outline {
      background: #FFFFFF;
      border-color: var(--primary);
      color: var(--primary-dark);
    }

    .btn-outline:hover {
      background: var(--bg-subtle);
      border-color: var(--primary-dark);
    }

    .btn-dark {
      background: var(--primary-dark);
      color: #FFFFFF;
    }

    .btn-dark:hover {
      background: var(--primary-deep);
      transform: translateY(-1px);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* 章节通用样式 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 52px;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-dark);
      background: var(--bg-subtle);
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
      border: 1px solid var(--border-color);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.35rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

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

    /* 首屏 Hero (严格无图片) */
    .hero-section {
      padding: 90px 0 70px;
      background: linear-gradient(180deg, #E8F7EE 0%, #F5FAF7 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-glow-1 {
      position: absolute;
      width: 480px;
      height: 480px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0, 194, 97, 0.22) 0%, rgba(255, 255, 255, 0) 70%);
      top: -120px;
      left: 50%;
      transform: translateX(-50%);
      pointer-events: none;
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 980px;
      margin: 0 auto;
    }

    .hero-badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 6px 18px;
      border-radius: 40px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.3); }
    }

    .hero-title {
      font-size: 3.1rem;
      font-weight: 900;
      color: var(--primary-deep);
      line-height: 1.18;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-subtitle {
      font-size: 1.25rem;
      color: var(--text-muted);
      line-height: 1.7;
      max-width: 820px;
      margin: 0 auto 36px;
      font-weight: 400;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .btn-hero-primary {
      padding: 15px 36px;
      font-size: 1.1rem;
      border-radius: 12px;
      background: #00C261;
      color: #FFFFFF;
      font-weight: 800;
      box-shadow: 0 8px 24px rgba(0, 194, 97, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-primary:hover {
      background: #00aa55;
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(0, 194, 97, 0.5);
      color: #FFFFFF;
    }

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

    .hero-stat-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .hero-stat-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 900;
      color: var(--primary-dark);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-sub);
      font-weight: 600;
    }

    /* 平台模型支持流动标签条 */
    .models-bar-section {
      padding: 34px 0;
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-light);
    }

    .models-bar-header {
      text-align: center;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-sub);
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

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

    .model-tag {
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary-dark);
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      padding: 5px 12px;
      border-radius: 20px;
      transition: var(--transition);
    }

    .model-tag:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }

    /* 平台核心能力卡片 */
    .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-md);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: var(--bg-subtle);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 900;
      margin-bottom: 20px;
      border: 1px solid var(--border-color);
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .service-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .pill-item {
      font-size: 0.75rem;
      background: var(--bg-page);
      color: var(--text-sub);
      padding: 3px 8px;
      border-radius: 6px;
      border: 1px solid var(--border-light);
    }

    /* 自动化生产流程 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .timeline-step {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-badge {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 900;
      color: var(--primary-dark);
      background: var(--bg-subtle);
      padding: 4px 10px;
      border-radius: 6px;
      margin-bottom: 14px;
      border: 1px solid var(--border-color);
    }

    .timeline-step h3 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .timeline-step p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例展示画廊 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      align-items: stretch;
    }

    .case-gallery-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-img-box {
      width: 100%;
      background: #E2ECE6;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .case-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

    .case-gallery-item:hover .case-img-box img {
      transform: scale(1.04);
    }

    .case-info {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-info h3 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 对比评测 - 突出 9.9分 与 五星 */
    .review-score-hero {
      background: linear-gradient(135deg, #064E3B 0%, #032b21 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 44px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-lg);
      flex-wrap: wrap;
      gap: 24px;
    }

    .review-score-left {
      max-width: 600px;
    }

    .review-score-left h3 {
      font-size: 1.85rem;
      font-weight: 900;
      margin-bottom: 12px;
      color: #A7F3D0;
    }

    .review-score-left p {
      font-size: 1.05rem;
      color: #D1FAE5;
      line-height: 1.6;
    }

    .review-score-right {
      display: flex;
      align-items: center;
      gap: 24px;
      background: rgba(255, 255, 255, 0.08);
      padding: 20px 32px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    .rating-big-num {
      font-size: 3.8rem;
      font-weight: 900;
      line-height: 1;
      color: #34D399;
    }

    .rating-meta {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .rating-stars {
      color: #FBBF24;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }

    .rating-scale-text {
      font-size: 0.95rem;
      font-weight: 700;
      color: #FFFFFF;
    }

    .rating-status-tag {
      font-size: 0.8rem;
      background: rgba(16, 185, 129, 0.25);
      color: #A7F3D0;
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      width: fit-content;
    }

    /* 对比表格 */
    .compare-table-container {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
    }

    .compare-table th,
    .compare-table td {
      padding: 18px 22px;
      border-bottom: 1px solid var(--border-light);
    }

    .compare-table th {
      background: var(--bg-subtle);
      font-weight: 800;
      color: var(--text-main);
    }

    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background: rgba(0, 194, 97, 0.06);
      font-weight: 700;
      color: var(--primary-deep);
    }

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

    /* Token比价与方案 */
    .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-md);
      padding: 36px 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }

    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .pricing-ribbon {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 20px;
      box-shadow: 0 4px 10px rgba(0, 194, 97, 0.3);
    }

    .pricing-card h3 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .price-value-box {
      margin: 18px 0;
    }

    .price-val {
      font-size: 2.3rem;
      font-weight: 900;
      color: var(--primary-dark);
    }

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

    .pricing-features-list {
      list-style: none;
      margin-bottom: 28px;
      flex-grow: 1;
    }

    .pricing-features-list li {
      font-size: 0.92rem;
      color: var(--text-muted);
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-light);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 客户评价板块 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-card:hover {
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    .testimonial-text {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
    }

    .author-avatar-text {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bg-subtle);
      color: var(--primary-dark);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--border-color);
    }

    .author-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info span {
      font-size: 0.8rem;
      color: var(--text-sub);
    }

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

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      user-select: none;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
      font-weight: bold;
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: var(--bg-page);
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      max-height: 400px;
      border-top-color: var(--border-light);
      transition: max-height 0.35s ease-in-out;
    }

    .faq-answer-inner {
      padding: 20px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 文章与资讯 */
    .articles-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }

    .article-chips-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 24px;
      justify-content: center;
    }

    .article-chip-link {
      display: inline-flex;
      align-items: center;
      padding: 10px 18px;
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--primary-dark);
      transition: var(--transition);
    }

    .article-chip-link:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
    }

    .custom-dynamic-articles {
      background: var(--bg-page);
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      text-align: center;
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    /* 需求匹配与联系我们表单 */
    .contact-layout-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
    }

    .contact-info-panel h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--text-main);
    }

    .contact-info-panel p {
      font-size: 0.98rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 24px;
    }

    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 28px;
    }

    .contact-meta-list li {
      font-size: 0.95rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .contact-meta-list strong {
      color: var(--primary-dark);
      min-width: 80px;
    }

    .qr-wrap-box {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      padding: 16px;
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
    }

    .qr-wrap-box img {
      width: 140px;
      height: 140px;
      object-fit: contain;
      border-radius: var(--radius-sm);
      background: #FFFFFF;
    }

    .qr-wrap-box span {
      margin-top: 10px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-dark);
    }

    .form-panel form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

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

    .form-group label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #FFFFFF;
      color: var(--text-main);
      transition: var(--transition);
      outline: none;
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 194, 97, 0.2);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* 合作加盟区 */
    .partner-cta-card {
      background: linear-gradient(135deg, #E8F5EE 0%, #D1E7DD 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      text-align: center;
      margin-top: 40px;
    }

    .partner-cta-card h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--primary-deep);
    }

    .partner-cta-card p {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 740px;
      margin: 0 auto 24px;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 32px;
      color: var(--text-main);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 36px;
    }

    .footer-brand p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-top: 12px;
      max-width: 420px;
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--primary-dark);
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links-list a {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .footer-links-list a:hover {
      color: var(--primary);
    }

    .friend-links-box {
      border-top: 1px solid var(--border-light);
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-sub);
      margin-bottom: 12px;
    }

    .friend-links-container {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links-container a {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .friend-links-container a:hover {
      color: var(--primary-dark);
      text-decoration: underline;
    }

    .footer-bottom-bar {
      border-top: 1px solid var(--border-light);
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-sub);
    }

    /* 悬浮工具条 */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--shadow-md);
      cursor: pointer;
      font-size: 1.1rem;
      transition: var(--transition);
    }

    .dock-btn:hover {
      background: var(--primary);
      color: #FFFFFF;
      border-color: var(--primary);
      transform: scale(1.08);
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .services-grid,
      .case-gallery-grid,
      .pricing-grid,
      .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .workflow-timeline {
        grid-template-columns: repeat(2, 1fr);
      }

      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }

      .nav-links.show {
        display: flex;
      }

      .nav-links li {
        width: 100%;
      }

      .nav-links li a {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-light);
      }

      .hero-title {
        font-size: 2.15rem;
      }

      .hero-subtitle {
        font-size: 1rem;
      }

      .services-grid,
      .case-gallery-grid,
      .pricing-grid,
      .testimonials-grid,
      .workflow-timeline,
      .contact-layout-grid,
      .footer-top-grid {
        grid-template-columns: 1fr;
      }

      .review-score-hero {
        flex-direction: column;
        align-items: flex-start;
        padding: 28px;
      }

      .review-score-right {
        width: 100%;
        justify-content: center;
      }

      .contact-layout-grid {
        padding: 24px;
      }

      .hero-stats-grid {
        grid-template-columns: 1fr 1fr;
      }
    }