:root {
      --primary-color: #ff3366;
      --secondary-color: #6366f1;
      --accent-color: #00d2ff;
      --accent-yellow: #ffb703;
      --bg-page: #f9faff;
      --card-bg: #ffffff;
      --text-main: #1e1e2f;
      --text-muted: #5c5f73;
      --text-light: #8e92a4;
      --border-color: #e9ecf8;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 4px 12px rgba(99, 102, 241, 0.08);
      --shadow-md: 0 10px 25px rgba(255, 51, 102, 0.12);
      --shadow-hover: 0 16px 32px rgba(99, 102, 241, 0.18);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 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, "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;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

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

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .brand-box .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-name {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-name span {
      color: var(--primary-color);
    }

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

    .nav-links a {
      text-decoration: none;
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.92rem;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      display: inline-block;
    }

    .nav-links a:hover {
      color: var(--primary-color);
      background: rgba(255, 51, 102, 0.06);
    }

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

    .btn-nav-primary {
      background: linear-gradient(135deg, var(--primary-color), #ff6b4a);
      color: #ffffff;
      padding: 10px 20px;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 700;
      text-decoration: none;
      box-shadow: 0 4px 14px rgba(255, 51, 102, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(255, 51, 102, 0.45);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

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

    /* 首屏 Hero (严格无图片) */
    .hero-section {
      position: relative;
      padding: 80px 0 90px;
      background: radial-gradient(circle at 80% 20%, rgba(255, 51, 102, 0.12) 0%, transparent 40%),
                  radial-gradient(circle at 10% 80%, rgba(99, 102, 241, 0.14) 0%, transparent 40%),
                  #ffffff;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-wrap {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .badge-hero {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(90deg, rgba(255, 51, 102, 0.1), rgba(99, 102, 241, 0.1));
      color: var(--primary-color);
      border: 1px solid rgba(255, 51, 102, 0.3);
      padding: 6px 16px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 24px;
    }

    .badge-hero::before {
      content: "";
      width: 8px;
      height: 8px;
      background: var(--primary-color);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--primary-color);
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      max-width: 900px;
      letter-spacing: -1px;
    }

    .hero-title .highlight-text {
      background: linear-gradient(135deg, #ff0055 0%, #7928ca 50%, #0070f3 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 760px;
      margin-bottom: 36px;
      line-height: 1.8;
    }

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

    .btn-main-action {
      background: linear-gradient(135deg, #ff0055, #ff5e36);
      color: #ffffff;
      padding: 15px 36px;
      border-radius: 36px;
      font-size: 1.1rem;
      font-weight: 800;
      text-decoration: none;
      box-shadow: 0 8px 24px rgba(255, 0, 85, 0.35);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-main-action:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 28px rgba(255, 0, 85, 0.45);
    }

    .btn-secondary-action {
      background: #ffffff;
      color: var(--text-main);
      border: 2px solid var(--secondary-color);
      padding: 15px 32px;
      border-radius: 36px;
      font-size: 1.05rem;
      font-weight: 700;
      text-decoration: none;
      transition: var(--transition);
    }

    .btn-secondary-action:hover {
      background: rgba(99, 102, 241, 0.08);
      transform: translateY(-2px);
    }

    .hero-grid-matrix {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      width: 100%;
      margin-top: 10px;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      text-align: left;
      position: relative;
      overflow: hidden;
      border-top: 4px solid var(--primary-color);
      transition: var(--transition);
    }

    .hero-stat-card:nth-child(2) { border-top-color: var(--secondary-color); }
    .hero-stat-card:nth-child(3) { border-top-color: var(--accent-color); }
    .hero-stat-card:nth-child(4) { border-top-color: var(--accent-yellow); }

    .hero-stat-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 600;
      margin-bottom: 6px;
    }

    .stat-val {
      font-size: 1.6rem;
      font-weight: 900;
      color: var(--text-main);
    }

    .stat-desc {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-top: 4px;
    }

    /* 公共模块框架 */
    .section-wrap {
      padding: 85px 0;
      position: relative;
    }

    .section-alt {
      background-color: #f3f5fd;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-subtitle {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--primary-color);
      margin-bottom: 8px;
    }

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

    .section-intro {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 模型矩阵徽章墙 */
    .model-pills {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 30px;
    }

    .model-pill {
      background: #ffffff;
      border: 1px solid #dce2f7;
      color: var(--text-main);
      padding: 8px 18px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 700;
      box-shadow: 0 2px 6px rgba(0,0,0,0.02);
      transition: var(--transition);
    }

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

    /* 平台核心卡片群 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .feature-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .feature-box:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--secondary-color);
    }

    .feature-icon {
      width: 54px;
      height: 54px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      color: #ffffff;
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    }

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

    .feature-desc {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .feature-tag {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--secondary-color);
      background: rgba(99, 102, 241, 0.1);
      padding: 4px 10px;
      border-radius: 6px;
      align-self: flex-start;
    }

    /* 业务场景展示 - 2列网格 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .scenario-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      gap: 20px;
      align-items: flex-start;
      transition: var(--transition);
    }

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

    .scenario-num {
      font-size: 1.5rem;
      font-weight: 900;
      color: var(--primary-color);
      opacity: 0.8;
      line-height: 1;
    }

    .scenario-content h3 {
      font-size: 1.12rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }

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

    /* 案例展示画廊 */
    .media-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 30px;
    }

    .media-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .media-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }

    .media-thumb {
      width: 100%;
      aspect-ratio: 16 / 10;
      background: #eaedf7;
      overflow: hidden;
    }

    .media-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: var(--transition);
    }

    .media-card:hover .media-thumb img {
      transform: scale(1.05);
    }

    .media-info {
      padding: 18px;
    }

    .media-info h4 {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 6px;
      color: var(--text-main);
    }

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

    /* 对比评测表格板块 */
    .eval-highlight {
      background: linear-gradient(135deg, #1f233e, #131526);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      margin-bottom: 35px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      border: 1px solid rgba(255, 51, 102, 0.4);
    }

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

    .eval-number {
      font-size: 3.6rem;
      font-weight: 900;
      color: var(--accent-yellow);
      line-height: 1;
    }

    .eval-rating-detail {
      font-size: 1.1rem;
    }

    .stars-icon {
      color: var(--accent-yellow);
      font-size: 1.3rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

    .eval-meta {
      max-width: 560px;
      font-size: 0.95rem;
      color: #c0c4dc;
      line-height: 1.6;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

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

    .compare-table th {
      background: #f8faff;
      color: var(--text-main);
      font-weight: 800;
      white-space: nowrap;
    }

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

    .col-highlight {
      background: rgba(255, 51, 102, 0.04);
      font-weight: 700;
      color: var(--primary-color);
    }

    /* 流程与网络步骤 */
    .steps-chain {
      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-md);
      padding: 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-index {
      width: 38px;
      height: 38px;
      background: var(--secondary-color);
      color: #ffffff;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      margin-bottom: 16px;
    }

    .step-item:nth-child(2) .step-index { background: var(--primary-color); }
    .step-item:nth-child(3) .step-index { background: var(--accent-yellow); }
    .step-item:nth-child(4) .step-index { background: var(--accent-color); }

    .step-title {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }

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

    /* 用户评论 */
    .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-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

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

    .review-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f0f3fa;
      padding-top: 14px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-weight: 800;
      font-size: 1rem;
    }

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

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

    /* 需求匹配与联系我们表单 */
    .contact-split {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: stretch;
    }

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

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1.5px solid #dce2f0;
      border-radius: var(--radius-sm);
      color: var(--text-main);
      background: #ffffff;
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.15);
    }

    textarea.form-control {
      min-height: 110px;
      resize: vertical;
    }

    .btn-submit {
      width: 100%;
      background: linear-gradient(135deg, var(--primary-color), #ff5e36);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 800;
      padding: 14px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(255, 51, 102, 0.3);
      transition: var(--transition);
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(255, 51, 102, 0.4);
    }

    .info-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }

    .info-item-group {
      margin-bottom: 24px;
    }

    .info-label {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 4px;
      text-transform: uppercase;
    }

    .info-val {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .qr-container {
      text-align: center;
      background: #fbfbfe;
      border: 1px dashed #ced4ea;
      border-radius: var(--radius-md);
      padding: 20px;
      margin-top: 15px;
    }

    .qr-container img {
      max-width: 140px;
      height: auto;
      border-radius: 8px;
      display: block;
      margin: 0 auto 10px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.06);
    }

    .qr-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-muted);
    }

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

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

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

    .faq-question {
      padding: 20px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.02rem;
      font-weight: 800;
      color: var(--text-main);
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--primary-color);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
      background: #fbfcfe;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 资讯与百科文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .article-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .article-card:hover {
      box-shadow: var(--shadow-sm);
      border-color: var(--secondary-color);
    }

    .article-title-link {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
      text-decoration: none;
      margin-bottom: 8px;
      display: inline-block;
      transition: var(--transition);
    }

    .article-title-link:hover {
      color: var(--primary-color);
    }

    .article-brief {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 底部专属统一区域 */
    .site-footer {
      background: #111322;
      color: #b0b4c8;
      padding: 60px 0 30px;
      border-top: 1px solid #232742;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 18px;
      position: relative;
    }

    .footer-col ul {
      list-style: none;
    }

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

    .footer-col ul li a {
      color: #b0b4c8;
      text-decoration: none;
      font-size: 0.88rem;
      transition: var(--transition);
    }

    .footer-col ul li a:hover {
      color: var(--accent-color);
      padding-left: 4px;
    }

    .friend-links-box {
      margin-top: 25px;
      padding-top: 20px;
      border-top: 1px solid #1f233e;
    }

    .friend-links-title {
      color: #ffffff;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .friend-links-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friend-links-pills a {
      color: #9297b4;
      text-decoration: none;
      font-size: 0.82rem;
      transition: var(--transition);
    }

    .friend-links-pills a:hover {
      color: var(--primary-color);
    }

    .footer-bottom {
      border-top: 1px solid #1f233e;
      padding-top: 24px;
      text-align: center;
      font-size: 0.82rem;
      color: #717696;
    }

    /* 悬浮客服面板 */
    .float-dock {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(0,0,0,0.12);
      transition: var(--transition);
      text-decoration: none;
      position: relative;
    }

    .dock-btn.primary-dock {
      background: linear-gradient(135deg, var(--primary-color), #ff5e36);
      color: #ffffff;
      border: none;
    }

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

    .dock-btn .dock-pop {
      position: absolute;
      right: 58px;
      top: 50%;
      transform: translateY(-50%) scale(0.9);
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-hover);
      pointer-events: none;
      opacity: 0;
      transition: var(--transition);
      width: 140px;
      text-align: center;
    }

    .dock-btn:hover .dock-pop {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(-50%) scale(1);
    }

    .dock-pop img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 4px;
      margin-bottom: 4px;
    }

    .dock-pop span {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--text-muted);
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.2rem; }
      .hero-grid-matrix { grid-template-columns: repeat(2, 1fr); }
      .features-grid { grid-template-columns: repeat(2, 1fr); }
      .scenario-grid { grid-template-columns: 1fr; }
      .media-gallery { grid-template-columns: repeat(2, 1fr); }
      .steps-chain { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: 1fr; }
      .contact-split { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active { display: flex; }
      .menu-toggle { display: block; }
      .hero-title { font-size: 1.8rem; }
      .hero-grid-matrix { grid-template-columns: 1fr; }
      .features-grid { grid-template-columns: 1fr; }
      .media-gallery { grid-template-columns: 1fr; }
      .steps-chain { grid-template-columns: 1fr; }
      .articles-grid { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
    }