:root {
      --bg-main: #f5f8ff;
      --bg-card: #ffffff;
      --bg-card-alt: #f0f5ff;
      --text-main: #0c1524;
      --text-muted: #475569;
      --text-light: #64748b;
      --primary: #00d287;
      --primary-neon: #00ff9d;
      --secondary: #7928ca;
      --secondary-neon: #9e00ff;
      --accent-cyan: #00e5ff;
      --accent-blue: #2563eb;
      --border-color: #dce7f5;
      --border-glow: rgba(0, 229, 255, 0.4);
      --shadow-sm: 0 4px 12px rgba(12, 21, 36, 0.04);
      --shadow-md: 0 10px 25px rgba(12, 21, 36, 0.07);
      --shadow-neon: 0 12px 30px rgba(0, 210, 135, 0.18);
      --radius: 14px;
    }

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

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

    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 229, 255, 0.07) 0%, transparent 40%),
        radial-gradient(circle at 90% 60%, rgba(158, 0, 255, 0.06) 0%, transparent 45%),
        radial-gradient(circle at 50% 90%, rgba(0, 210, 135, 0.06) 0%, transparent 40%);
      background-attachment: fixed;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(12, 21, 36, 0.03);
    }

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

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

    .brand-wrap .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      font-size: 0.7rem;
      font-weight: 700;
      padding: 2px 6px;
      border-radius: 4px;
      background: linear-gradient(135deg, #00d287, #00e5ff);
      color: #05241b;
      text-transform: uppercase;
    }

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

    .nav-links a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      padding: 8px 14px;
      border-radius: 8px;
    }

    .nav-links a:hover {
      color: var(--text-main);
      background: rgba(0, 229, 255, 0.1);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: 8px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      text-align: center;
    }

    .btn-neon {
      background: linear-gradient(135deg, #00d287 0%, #00e5ff 100%);
      color: #022016;
      box-shadow: 0 4px 16px rgba(0, 229, 255, 0.35);
      border: none;
    }

    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 22px rgba(0, 229, 255, 0.55);
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      border-color: var(--accent-cyan);
      transform: translateY(-2px);
      color: var(--accent-blue);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
      padding: 4px;
    }

    /* 首屏 Hero 无图片纯技术荧光感 */
    .hero-section {
      padding: 85px 0 65px;
      text-align: center;
      position: relative;
    }

    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--secondary);
      box-shadow: 0 2px 10px rgba(121, 40, 202, 0.08);
      margin-bottom: 24px;
    }

    .hero-pill-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #00d287;
      box-shadow: 0 0 10px #00ff9d;
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(1.3); }
    }

    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      letter-spacing: -1px;
      color: #0c1524;
      margin-bottom: 20px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-title .glow-text {
      background: linear-gradient(135deg, #0284c7 0%, #7928ca 50%, #00a86b 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .hero-cta-group .btn-lg {
      padding: 14px 34px;
      font-size: 1.05rem;
      border-radius: 10px;
      font-weight: 700;
    }

    .hero-cta-group .btn-official {
      background: linear-gradient(135deg, #090e17 0%, #1a273e 100%);
      color: #00ffcc;
      border: 1px solid rgba(0, 255, 204, 0.4);
      box-shadow: 0 8px 24px rgba(0, 230, 184, 0.25);
    }

    .hero-cta-group .btn-official:hover {
      border-color: #00ffcc;
      box-shadow: 0 10px 30px rgba(0, 230, 184, 0.45);
      transform: translateY(-2px);
    }

    /* 荧光指标网格 (替代图片) */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 22px 18px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      text-align: left;
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .metric-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(180deg, #00d287, #00e5ff);
    }

    .metric-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #99e6ff;
    }

    .metric-val {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      display: flex;
      align-items: baseline;
      gap: 4px;
    }

    .metric-val span {
      font-size: 1rem;
      color: var(--accent-cyan);
      font-weight: 700;
    }

    .metric-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 模块通用标题 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      margin-bottom: 46px;
    }

    .section-tag {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: #0284c7;
      background: #e0f2fe;
      padding: 4px 12px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* 平台介绍板块 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: center;
    }

    .intro-text-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 36px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
    }

    .intro-text-card h3 {
      font-size: 1.5rem;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .intro-text-card p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 0.98rem;
    }

    .feature-check-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }

    .check-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .check-icon {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: #d1fae5;
      color: #059669;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: bold;
    }

    .intro-media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 20px;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .intro-media-card img {
      width: 100%;
      border-radius: 10px;
      display: block;
      object-fit: cover;
    }

    /* 模型矩阵徽章云 */
    .model-pills-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 26px;
      margin-top: 36px;
      box-shadow: var(--shadow-sm);
    }

    .model-pills-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .model-tags-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .model-tag {
      font-size: 0.85rem;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 20px;
      background: var(--bg-card-alt);
      color: #1e3a8a;
      border: 1px solid #bfdbfe;
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      background: linear-gradient(135deg, #00d287, #00e5ff);
      color: #022016;
      border-color: transparent;
      transform: translateY(-2px);
    }

    /* AIGC 服务与全场景制作卡片 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 26px;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .service-card:hover {
      border-color: #38bdf8;
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .service-card-top {
      margin-bottom: 18px;
    }

    .service-badge {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: 6px;
      background: #eff6ff;
      color: #2563eb;
      margin-bottom: 12px;
    }

    .service-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .service-link {
      font-size: 0.9rem;
      font-weight: 700;
      color: #0284c7;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      margin-top: 14px;
    }

    /* 对比评测卡片与表格 */
    .benchmark-section {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 40px;
      box-shadow: var(--shadow-sm);
      margin-top: 20px;
    }

    .benchmark-score-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
      border: 1px solid #bbf7d0;
      padding: 24px 30px;
      border-radius: 12px;
      margin-bottom: 30px;
      flex-wrap: wrap;
      gap: 16px;
    }

    .score-left h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: #064e3b;
      margin-bottom: 4px;
    }

    .score-left p {
      color: #047857;
      font-size: 0.95rem;
    }

    .score-right {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .rating-box {
      text-align: right;
    }

    .rating-stars {
      color: #eab308;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }

    .rating-numeric {
      font-size: 2.2rem;
      font-weight: 900;
      color: #0f172a;
      line-height: 1;
    }

    .rating-max {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-light);
    }

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

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

    .benchmark-table th, 
    .benchmark-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .benchmark-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }

    .benchmark-table tr:hover td {
      background: #f8fafc;
    }

    .benchmark-table .col-highlight {
      background: #f0fdf4;
      font-weight: 700;
      color: #065f46;
    }

    .tag-superior {
      display: inline-block;
      padding: 2px 8px;
      background: #dcfce7;
      color: #15803d;
      border-radius: 4px;
      font-size: 0.8rem;
      font-weight: 700;
      margin-left: 6px;
    }

    /* 流程步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-number {
      font-size: 1.8rem;
      font-weight: 900;
      color: #0284c7;
      margin-bottom: 10px;
      opacity: 0.85;
    }

    .step-card h3 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例展示 */
    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .showcase-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .showcase-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #e2e8f0;
    }

    .showcase-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .showcase-card:hover .showcase-img-wrap img {
      transform: scale(1.05);
    }

    .showcase-body {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .showcase-body h3 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    /* 客户评价网格 (6条) */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-quote {
      font-size: 0.95rem;
      color: #1e293b;
      line-height: 1.65;
      margin-bottom: 18px;
      position: relative;
    }

    .review-quote::before {
      content: "“";
      font-size: 2.5rem;
      line-height: 0;
      color: #93c5fd;
      position: absolute;
      top: -10px;
      left: -12px;
      opacity: 0.4;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }

    .author-avatar-text {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #00d287, #00e5ff);
      color: #064e3b;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .author-info h4 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
    }

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

    /* FAQ 折叠面板 (>=10条) */
    .faq-list {
      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: 10px;
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question:hover {
      background: #f8fafc;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: #0284c7;
      transition: transform 0.25s ease;
    }

    .faq-answer {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: all 0.3s ease;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.65;
    }

    .faq-item.active {
      border-color: #38bdf8;
      box-shadow: var(--shadow-sm);
    }

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

    .faq-item.active .faq-answer {
      padding: 0 24px 20px 24px;
      max-height: 300px;
    }

    /* 需求匹配与联系我们表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 32px;
    }

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 34px;
      box-shadow: var(--shadow-sm);
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 22px;
    }

    .contact-item-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: #e0f2fe;
      color: #0284c7;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }

    .contact-item-content h4 {
      font-size: 0.92rem;
      color: var(--text-light);
      margin-bottom: 2px;
    }

    .contact-item-content p {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .qr-container {
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .qr-container img {
      width: 110px;
      height: 110px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      padding: 4px;
      background: #fff;
    }

    .qr-text h4 {
      font-size: 1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .qr-text p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .form-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-card h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.95rem;
      color: var(--text-main);
      background: #f8fafc;
      transition: all 0.2s ease;
    }

    .form-control:focus {
      outline: none;
      border-color: #0284c7;
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
    }

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

    /* 文章与资讯 */
    .article-section-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 36px;
      margin-bottom: 40px;
    }

    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 14px;
      margin-top: 20px;
    }

    .article-link-item {
      padding: 12px 16px;
      background: var(--bg-card-alt);
      border: 1px solid #bfdbfe;
      border-radius: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: #1d4ed8;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: all 0.2s ease;
    }

    .article-link-item:hover {
      background: #dbeafe;
      transform: translateX(4px);
    }

    /* 友情链接与页脚 */
    .friend-links-wrap {
      border-top: 1px solid var(--border-color);
      padding: 24px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .friend-links-wrap a {
      color: #475569;
      font-weight: 500;
    }

    .friend-links-wrap a:hover {
      color: #0284c7;
    }

    .site-footer {
      background: #0f172a;
      color: #cbd5e1;
      padding: 60px 0 30px;
      margin-top: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      color: #94a3b8;
      line-height: 1.6;
      max-width: 320px;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }

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

    .footer-links a {
      font-size: 0.9rem;
      color: #94a3b8;
    }

    .footer-links a:hover {
      color: #38bdf8;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: #64748b;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom a {
      color: #94a3b8;
    }

    /* 浮动操作条 */
    .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);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      cursor: pointer;
      transition: all 0.25s ease;
      color: var(--text-main);
    }

    .dock-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 24px rgba(0, 229, 255, 0.35);
      border-color: var(--accent-cyan);
    }

    .dock-btn.top-btn {
      display: none;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.3rem; }
      .service-grid, .showcase-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .hero-metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-links.active { display: flex; }
      .nav-links a { width: 100%; padding: 10px; }
      .hero-title { font-size: 1.85rem; }
      .intro-grid, .contact-grid { grid-template-columns: 1fr; }
      .service-grid, .showcase-grid, .review-grid, .steps-grid { grid-template-columns: 1fr; }
      .hero-metrics-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .benchmark-section { padding: 20px; }
      .score-right { width: 100%; justify-content: space-between; }
    }