:root {
      --primary-yellow: #facc15;
      --primary-yellow-hover: #eab308;
      --primary-yellow-dark: #ca8a04;
      --yellow-light-bg: #fefce8;
      --yellow-subtle: #fef08a;
      --text-main: #1e293b;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --border-yellow: #fde047;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --max-width: 1200px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 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: 1.6;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    /* 统一居中容器 */
    .container {
      width: 100%;
      max-width: var(--max-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航栏 */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid var(--primary-yellow);
      box-shadow: var(--shadow-sm);
    }

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

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

    .brand-area .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: #0f172a;
      letter-spacing: -0.5px;
    }

    .brand-badge {
      font-size: 0.75rem;
      background: var(--yellow-light-bg);
      color: var(--primary-yellow-dark);
      border: 1px solid var(--primary-yellow);
      padding: 2px 8px;
      border-radius: 20px;
      font-weight: 600;
      display: inline-block;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      transition: var(--transition);
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: #000;
      background-color: var(--yellow-light-bg);
    }

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

    .btn-nav-portal {
      background: var(--primary-yellow);
      color: #0f172a;
      font-weight: 700;
      padding: 8px 18px;
      border-radius: 30px;
      font-size: 0.9rem;
      border: 1px solid var(--primary-yellow-hover);
      box-shadow: 0 2px 4px rgba(250, 204, 21, 0.3);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-nav-portal:hover {
      background: var(--primary-yellow-hover);
      transform: translateY(-1px);
    }

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

    /* 区域通用样式 */
    .section-block {
      padding: 72px 0;
      position: relative;
    }

    .section-block.bg-warm {
      background-color: #fffdf2;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 48px auto;
    }

    .section-tag {
      display: inline-block;
      background: var(--yellow-light-bg);
      color: var(--primary-yellow-dark);
      border: 1px solid var(--border-yellow);
      font-size: 0.82rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-subtitle {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Hero 首屏 - 纯 CSS 视觉无图片 */
    .hero-section {
      padding: 70px 0 80px 0;
      background: linear-gradient(180deg, #fefce8 0%, #ffffff 100%);
      border-bottom: 1px solid var(--border-yellow);
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid var(--primary-yellow);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #854d0e;
      margin-bottom: 20px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      background-color: #22c55e;
      border-radius: 50%;
      display: inline-block;
      animation: pulseDot 2s infinite;
    }

    @keyframes pulseDot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: linear-gradient(120deg, #ca8a04, #eab308);
      padding: 0 4px;
      border-bottom: 4px solid var(--primary-yellow);
    }

    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-muted);
      margin-bottom: 30px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 36px;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background-color: var(--primary-yellow);
      color: #0f172a;
      font-weight: 800;
      font-size: 1.05rem;
      padding: 14px 32px;
      border-radius: 12px;
      border: 2px solid #ca8a04;
      box-shadow: 0 4px 14px rgba(234, 179, 8, 0.4);
      transition: var(--transition);
      cursor: pointer;
    }

    .btn-hero-primary:hover {
      background-color: var(--primary-yellow-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(234, 179, 8, 0.5);
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background-color: #ffffff;
      color: var(--text-main);
      font-weight: 700;
      font-size: 1.02rem;
      padding: 14px 26px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .btn-hero-secondary:hover {
      background-color: #f8fafc;
      border-color: #cbd5e1;
    }

    .hero-stats-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid rgba(0, 0, 0, 0.08);
    }

    .stat-item h4 {
      font-size: 1.5rem;
      font-weight: 800;
      color: #0f172a;
    }

    .stat-item p {
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 首屏纯 CSS 交互卡片组 */
    .hero-visual-card {
      background: #ffffff;
      border: 2px solid var(--border-yellow);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-lg);
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .visual-top-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 12px;
    }

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

    .visual-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      display: inline-block;
    }

    .dot-red { background: #ef4444; }
    .dot-yellow { background: #eab308; }
    .dot-green { background: #22c55e; }

    .visual-model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .v-tag {
      background: #f1f5f9;
      color: #334155;
      font-size: 0.78rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
    }

    .v-tag.active {
      background: #fef08a;
      color: #854d0e;
      border-color: #facc15;
    }

    .visual-box-inner {
      background: #f8fafc;
      border-radius: var(--radius-md);
      padding: 16px;
      border: 1px dashed #cbd5e1;
    }

    .visual-line {
      display: flex;
      justify-content: space-between;
      margin-bottom: 8px;
      font-size: 0.88rem;
    }

    .visual-line span.label { color: var(--text-light); }
    .visual-line span.val { font-weight: 700; color: #0f172a; }

    .visual-progress {
      width: 100%;
      height: 8px;
      background: #e2e8f0;
      border-radius: 4px;
      overflow: hidden;
      margin-top: 10px;
    }

    .visual-progress-bar {
      width: 88%;
      height: 100%;
      background: linear-gradient(90deg, #facc15, #ca8a04);
      border-radius: 4px;
    }

    /* 平台核心支持模型跑马灯标签 */
    .models-marquee-section {
      background: #ffffff;
      padding: 24px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .models-marquee-title {
      text-align: center;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-light);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .models-chip-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .chip-item {
      background: #fffdf0;
      border: 1px solid var(--border-yellow);
      color: #713f12;
      font-size: 0.82rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 20px;
      transition: var(--transition);
    }

    .chip-item:hover {
      background: var(--primary-yellow);
      color: #000;
      transform: translateY(-2px);
    }

    /* 网格卡片系统 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      position: relative;
    }

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

    .card-icon {
      width: 48px;
      height: 48px;
      background: var(--yellow-light-bg);
      border: 1px solid var(--border-yellow);
      color: #854d0e;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .feature-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .feature-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 业务场景展示 */
    .scene-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-top: 3px solid var(--primary-yellow);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .scene-card:hover {
      box-shadow: var(--shadow-md);
      border-top-color: var(--primary-yellow-dark);
      transform: translateY(-3px);
    }

    .scene-badge {
      display: inline-block;
      background: var(--yellow-light-bg);
      color: #854d0e;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .scene-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .scene-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 标准流程时间线 */
    .step-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      width: 44px;
      height: 44px;
      background: var(--primary-yellow);
      color: #0f172a;
      font-weight: 800;
      font-size: 1.1rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      border: 2px solid #ffffff;
      box-shadow: 0 0 0 3px var(--yellow-light-bg);
    }

    .step-box h4 {
      font-size: 1.08rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #0f172a;
    }

    .step-box p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测表格与卡片 */
    .rating-header-card {
      background: linear-gradient(135deg, #fefce8 0%, #ffffff 100%);
      border: 2px solid var(--primary-yellow);
      border-radius: var(--radius-lg);
      padding: 28px;
      margin-bottom: 32px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
    }

    .rating-score-box {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-big {
      font-size: 3rem;
      font-weight: 900;
      color: #ca8a04;
      line-height: 1;
    }

    .score-stars {
      color: #eab308;
      font-size: 1.25rem;
      margin-bottom: 4px;
    }

    .score-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
    }

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }

    .compare-table th {
      background-color: #f8fafc;
      font-weight: 700;
      color: #1e293b;
    }

    .compare-table th.highlight-col {
      background-color: var(--yellow-light-bg);
      color: #854d0e;
      border-left: 2px solid var(--primary-yellow);
      border-right: 2px solid var(--primary-yellow);
    }

    .compare-table td.highlight-col {
      background-color: #fffdf2;
      font-weight: 600;
      color: #0f172a;
      border-left: 2px solid var(--primary-yellow);
      border-right: 2px solid var(--primary-yellow);
    }

    /* 案例图片展示 */
    .media-gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

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

    .gallery-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-yellow);
    }

    .gallery-img-wrap {
      width: 100%;
      overflow: hidden;
      background-color: #f1f5f9;
    }

    .gallery-img-wrap img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

    .gallery-item:hover .gallery-img-wrap img {
      transform: scale(1.03);
    }

    .gallery-info {
      padding: 18px;
    }

    .gallery-info h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: #0f172a;
    }

    .gallery-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 用户评论卡片 */
    .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: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .review-card:hover {
      border-color: var(--primary-yellow);
      box-shadow: var(--shadow-md);
    }

    .review-stars {
      color: #eab308;
      font-size: 1rem;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.94rem;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 40px;
      height: 40px;
      background: var(--yellow-light-bg);
      border: 1px solid var(--border-yellow);
      color: var(--primary-yellow-dark);
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .reviewer-meta h5 {
      font-size: 0.92rem;
      font-weight: 700;
      color: #0f172a;
    }

    .reviewer-meta span {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* FAQ 展开面板 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .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-yellow);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 22px;
      cursor: pointer;
      font-size: 1.02rem;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question:hover {
      background-color: #fffdf5;
    }

    .faq-toggle-icon {
      font-size: 1.25rem;
      color: #ca8a04;
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background-color: #fcfdfe;
    }

    .faq-answer-inner {
      padding: 0 22px 18px 22px;
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }

    /* 需求表单与联系 */
    .form-contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      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;
      margin-bottom: 6px;
      color: #1e293b;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background-color: #f8fafc;
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      border-color: var(--primary-yellow-dark);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.25);
    }

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

    .btn-submit-form {
      width: 100%;
      background: var(--primary-yellow);
      color: #0f172a;
      font-weight: 800;
      font-size: 1rem;
      padding: 14px;
      border: 2px solid #ca8a04;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .btn-submit-form:hover {
      background: var(--primary-yellow-hover);
      transform: translateY(-2px);
    }

    .contact-info-panel {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 20px;
      background: #fffdf0;
      border: 1px solid var(--border-yellow);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }

    .contact-item-icon {
      width: 36px;
      height: 36px;
      background: #ffffff;
      border: 1px solid var(--border-yellow);
      color: #854d0e;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      font-weight: 700;
      flex-shrink: 0;
    }

    .contact-item-text h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 2px;
    }

    .contact-item-text p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .qr-container {
      text-align: center;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
    }

    .qr-container img {
      width: 130px;
      height: 130px;
      object-fit: contain;
      margin: 0 auto 8px auto;
      display: block;
      border-radius: var(--radius-sm);
    }

    .qr-container p {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 行业资讯 / 文章板块 */
    .article-list-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .article-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

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

    .article-tag {
      font-size: 0.75rem;
      background: #f1f5f9;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .article-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-link {
      font-size: 0.88rem;
      font-weight: 700;
      color: #ca8a04;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .article-link:hover {
      text-decoration: underline;
    }

    /* 友情链接与生态板块 */
    .links-strip {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 28px 0;
    }

    .links-flex {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .links-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-right: 8px;
    }

    .links-flex a {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 0.85rem;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .links-flex a:hover {
      background: var(--yellow-light-bg);
      border-color: var(--primary-yellow);
      color: #854d0e;
    }

    /* 页脚 */
    .site-footer {
      background-color: #0f172a;
      color: #cbd5e1;
      padding: 50px 0 30px 0;
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-brand p {
      color: #94a3b8;
      line-height: 1.6;
      margin-bottom: 16px;
      font-size: 0.88rem;
    }

    .footer-col h5 {
      color: #f8fafc;
      font-size: 0.98rem;
      font-weight: 700;
      margin-bottom: 16px;
      border-left: 3px solid var(--primary-yellow);
      padding-left: 8px;
    }

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

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

    .footer-col ul li a {
      color: #94a3b8;
      transition: var(--transition);
      font-size: 0.88rem;
    }

    .footer-col ul li a:hover {
      color: var(--primary-yellow);
    }

    .footer-bottom {
      border-top: 1px solid #334155;
      padding-top: 24px;
      text-align: center;
      color: #64748b;
      font-size: 0.82rem;
    }

    /* 悬浮客服挂件 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .kefu-btn {
      width: 50px;
      height: 50px;
      background: var(--primary-yellow);
      border: 2px solid #ca8a04;
      border-radius: 50%;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      color: #0f172a;
      cursor: pointer;
      transition: var(--transition);
    }

    .kefu-btn:hover {
      transform: scale(1.08);
      background: var(--primary-yellow-hover);
    }

    .back-to-top {
      width: 50px;
      height: 50px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      color: var(--text-main);
      cursor: pointer;
      transition: var(--transition);
      opacity: 0;
      pointer-events: none;
    }

    .back-to-top.visible {
      opacity: 1;
      pointer-events: auto;
    }

    .back-to-top:hover {
      background: #f1f5f9;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-list {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 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;
        align-items: flex-start;
        padding: 16px 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 2px solid var(--primary-yellow);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 10px 0;
        width: 100%;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .grid-3, .grid-4, .grid-2, .reviews-grid, .article-list-grid, .media-gallery-grid {
        grid-template-columns: 1fr;
      }
      .form-contact-grid {
        grid-template-columns: 1fr;
        padding: 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .step-list {
        grid-template-columns: 1fr;
      }
      .rating-header-card {
        flex-direction: column;
        align-items: flex-start;
      }
    }