:root {
      --primary: #e60067;
      --primary-hover: #c40057;
      --primary-light: #fff0f5;
      --primary-soft: #ffe4ee;
      --primary-gradient: linear-gradient(135deg, #e60067 0%, #ff4b8b 50%, #ff758c 100%);
      --accent: #ff2a7a;
      --text-main: #1f2429;
      --text-muted: #586069;
      --text-sub: #7a828a;
      --bg-page: #fdfafb;
      --bg-card: #ffffff;
      --bg-card-alt: #fef7f9;
      --border-color: #f5d5e2;
      --border-light: #fae8ef;
      --shadow-sm: 0 4px 12px rgba(230, 0, 103, 0.05);
      --shadow-md: 0 8px 24px rgba(230, 0, 103, 0.08);
      --shadow-lg: 0 16px 36px rgba(230, 0, 103, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-max: 1240px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    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;
    }

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

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    }

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

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

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

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .brand-badge {
      font-size: 0.72rem;
      background: var(--primary-light);
      color: var(--primary);
      padding: 2px 8px;
      border-radius: var(--radius-full);
      font-weight: 600;
      border: 1px solid var(--border-color);
    }

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

    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
      background: var(--primary-light);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-full);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary-gradient);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(230, 0, 103, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(230, 0, 103, 0.4);
      color: #ffffff;
    }

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

    .btn-outline:hover {
      background: var(--primary-light);
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: space-between;
      width: 26px;
      height: 20px;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 0;
    }

    .menu-toggle span {
      display: block;
      height: 2px;
      width: 100%;
      background: var(--text-main);
      border-radius: 2px;
      transition: var(--transition);
    }

    /* 首屏 Hero */
    .hero-section {
      position: relative;
      padding: 80px 0 70px;
      background: radial-gradient(circle at 80% 20%, #ffeaf1 0%, #fff 60%);
      overflow: hidden;
    }

    .hero-wrapper {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      border: 1px solid var(--border-color);
      padding: 6px 16px;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 20px;
      box-shadow: var(--shadow-sm);
    }

    .hero-tag::before {
      content: "";
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      display: inline-block;
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.9); opacity: 0.7; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.7; }
    }

    .hero-title {
      font-size: 2.7rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      color: var(--primary);
      position: relative;
    }

    .hero-desc {
      font-size: 1.125rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
    }

    .hero-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .hero-stats-row {
      display: flex;
      gap: 24px;
      padding-top: 24px;
      border-top: 1px dashed var(--border-color);
    }

    .stat-item {
      display: flex;
      flex-direction: column;
    }

    .stat-num {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
    }

    .stat-label {
      font-size: 0.82rem;
      color: var(--text-sub);
      margin-top: 4px;
    }

    /* 首屏无图控制台卡片 */
    .hero-console-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .console-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-light);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

    .console-dots {
      display: flex;
      gap: 6px;
    }

    .console-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #eee;
    }
    .console-dots span:nth-child(1) { background: #ff5f56; }
    .console-dots span:nth-child(2) { background: #ffbd2e; }
    .console-dots span:nth-child(3) { background: #27c93f; }

    .console-status {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 10px;
      border-radius: var(--radius-full);
    }

    .console-body {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .console-chip-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .console-chip {
      font-size: 0.78rem;
      background: var(--bg-card-alt);
      border: 1px solid var(--border-light);
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      color: var(--text-muted);
      font-weight: 500;
    }

    .console-chip.highlight {
      background: var(--primary-light);
      border-color: var(--border-color);
      color: var(--primary);
      font-weight: 700;
    }

    .console-preview-box {
      background: #fff8fa;
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .console-box-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .console-box-title::before {
      content: "▶";
      font-size: 0.7rem;
      color: var(--primary);
    }

    .console-box-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .console-actions-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #fdfafb;
      padding: 12px 16px;
      border-radius: var(--radius-md);
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* Section 通用规范 */
    section {
      padding: 75px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-card-alt);
    }

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

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

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 卡片网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-color);
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.25rem;
      margin-bottom: 20px;
    }

    .service-card-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

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

    .service-tags span {
      font-size: 0.75rem;
      background: var(--bg-card-alt);
      color: var(--text-sub);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 场景分类网格 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 20px;
    }

    .scenario-item {
      background: #fff;
      border: 1px solid var(--border-light);
      padding: 22px;
      border-radius: var(--radius-md);
      transition: var(--transition);
    }

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

    .scenario-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 10px;
    }

    .scenario-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .scenario-badge {
      font-size: 0.72rem;
      color: var(--primary);
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: var(--radius-full);
    }

    .scenario-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 模型矩阵标签墙 */
    .model-matrix-card {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .model-tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }

    .model-pill {
      background: #fdf6f9;
      border: 1px solid var(--border-light);
      color: var(--text-main);
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 0.9rem;
      font-weight: 600;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .model-pill:hover {
      background: var(--primary);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 4px 10px rgba(230,0,103,0.25);
    }

    .model-pill::before {
      content: "";
      width: 6px;
      height: 6px;
      background: var(--primary);
      border-radius: 50%;
    }

    .model-pill:hover::before {
      background: #fff;
    }

    /* 标准制作流程 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

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

    .step-number {
      width: 44px;
      height: 44px;
      line-height: 44px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #fff;
      font-weight: 800;
      font-size: 1.1rem;
      margin: 0 auto 16px;
      box-shadow: 0 4px 10px rgba(230,0,103,0.2);
    }

    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例展示 */
    .media-card {
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .media-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .media-thumb-box {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f7ebef;
      overflow: hidden;
    }

    .media-thumb-box.square {
      aspect-ratio: 1 / 1;
    }

    .media-thumb-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .media-card:hover .media-thumb-box img {
      transform: scale(1.04);
    }

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

    .media-tag {
      font-size: 0.75rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 6px;
    }

    .media-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .media-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测表格 */
    .review-score-banner {
      background: var(--primary-gradient);
      border-radius: var(--radius-lg);
      padding: 30px;
      color: #fff;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      box-shadow: var(--shadow-md);
    }

    .review-left h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .review-left p {
      font-size: 0.95rem;
      opacity: 0.95;
    }

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

    .star-rating {
      color: #ffd700;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .score-badge {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1;
      background: rgba(255,255,255,0.2);
      padding: 8px 18px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255,255,255,0.4);
    }

    .score-badge span {
      font-size: 1.1rem;
      font-weight: 500;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #fff;
      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;
      min-width: 680px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
      font-size: 0.92rem;
    }

    .compare-table th {
      background: #fff5f8;
      color: var(--text-main);
      font-weight: 700;
    }

    .compare-table tr:hover td {
      background: #fffdfd;
    }

    .highlight-col {
      background: rgba(230, 0, 103, 0.03);
      font-weight: 600;
      color: var(--primary);
    }

    /* 用户评论 */
    .testimonial-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

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

    .user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
      border: 1px solid var(--border-color);
    }

    .user-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-role {
      font-size: 0.78rem;
      color: var(--text-sub);
    }

    .testimonial-content {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .testimonial-stars {
      color: #ffb400;
      font-size: 0.85rem;
    }

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

    .faq-item {
      background: #fff;
      border: 1px solid var(--border-light);
      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: 18px 24px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      transition: var(--transition);
    }

    .faq-question:hover {
      color: var(--primary);
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--primary);
      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 ease, padding 0.3s ease;
      background: #fffafc;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 16px 24px 20px;
      border-top: 1px solid var(--border-light);
    }

    .faq-answer p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 表单与需求匹配 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: start;
    }

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

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.92rem;
      color: var(--text-main);
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      transition: var(--transition);
      outline: none;
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(230, 0, 103, 0.12);
    }

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

    .contact-info-panel {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .info-box {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .info-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .info-list strong {
      color: var(--text-main);
    }

    .qr-container {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-top: 10px;
      padding-top: 14px;
      border-top: 1px dashed var(--border-light);
    }

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

    .qr-box img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    /* 文章与外链 */
    .article-list-wrap {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 16px;
      margin-top: 24px;
    }

    .article-item-link {
      background: #fff;
      border: 1px solid var(--border-light);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--text-main);
      font-size: 0.92rem;
      font-weight: 600;
      transition: var(--transition);
    }

    .article-item-link:hover {
      border-color: var(--primary);
      color: var(--primary);
      box-shadow: var(--shadow-sm);
      transform: translateX(4px);
    }

    .article-item-link span {
      color: var(--text-sub);
      font-size: 0.8rem;
    }

    /* 页脚 Footer */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px;
      color: var(--text-muted);
    }

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

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      position: relative;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
    }

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

    .footer-friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 16px;
      margin-top: 10px;
    }

    .footer-friend-links a {
      font-size: 0.85rem;
      color: var(--text-sub);
    }

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

    .footer-bottom {
      padding-top: 24px;
      border-top: 1px solid var(--border-light);
      text-align: center;
      font-size: 0.82rem;
      color: var(--text-sub);
    }

    /* 浮动组件 */
    .floating-kefu {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary);
      box-shadow: 0 4px 16px rgba(230, 0, 103, 0.25);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1.2rem;
      transition: var(--transition);
      text-decoration: none;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.08);
    }

    .float-btn-primary {
      background: var(--primary-gradient);
      color: #ffffff;
      border: none;
    }

    .kefu-popover {
      position: absolute;
      right: 60px;
      bottom: 0;
      width: 170px;
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 12px;
      box-shadow: var(--shadow-lg);
      display: none;
      text-align: center;
      animation: fadeIn 0.2s ease;
    }

    .float-btn-group:hover .kefu-popover {
      display: block;
    }

    .kefu-popover p {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 6px;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(6px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-wrapper {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        height: 64px;
      }
      .nav-container {
        height: 64px;
      }
      .menu-toggle {
        display: flex;
      }
      .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        display: none;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links a {
        padding: 12px 16px;
        border-radius: var(--radius-sm);
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .grid-3, .grid-4, .grid-2, .process-steps {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }
    }