:root {
      --primary: #0d9488;
      --primary-dark: #0f766e;
      --primary-light: #14b8a6;
      --primary-subtle: #f0fdfa;
      --primary-border: #ccfbf1;
      --secondary: #0284c7;
      --accent: #059669;
      --text-main: #134e4a;
      --text-muted: #4b6360;
      --bg-page: #f7faf9;
      --bg-card: #ffffff;
      --border-color: #e2ece9;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 2px 8px rgba(13, 148, 136, 0.06);
      --shadow-md: 0 8px 24px rgba(13, 148, 136, 0.09);
      --shadow-hover: 0 16px 32px rgba(13, 148, 136, 0.14);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 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: 1.6;
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(20, 184, 166, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(2, 132, 199, 0.05) 0%, transparent 40%);
      background-attachment: fixed;
    }

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

    ul, ol {
      list-style: none;
    }

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

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

    .section-wrap {
      padding: 72px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      padding: 6px 16px;
      background: var(--primary-subtle);
      border: 1px solid var(--primary-border);
      color: var(--primary-dark);
      border-radius: 30px;
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      color: #042f2e;
      margin-bottom: 16px;
      line-height: 1.3;
    }

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

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

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .brand-logo-wrap .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

    .brand-text-name {
      font-size: 1.35rem;
      font-weight: 700;
      color: #042f2e;
      letter-spacing: -0.5px;
    }

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

    .nav-link-item {
      font-size: 0.95rem;
      color: #134e4a;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
    }

    .nav-link-item:hover, .nav-link-item:focus {
      color: var(--primary-dark);
      background: var(--primary-subtle);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .btn-header {
      padding: 9px 20px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #ffffff !important;
      border-radius: 24px;
      font-weight: 600;
      font-size: 0.92rem;
      box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
    }

    .btn-header:hover {
      opacity: 0.92;
      transform: translateY(-1px);
    }

    .nav-toggle-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 6px 10px;
      cursor: pointer;
      color: var(--primary-dark);
      font-size: 1.2rem;
    }

    /* 首屏 Hero 区域 (无图片) */
    .hero-section {
      padding: 80px 0 70px;
      background: linear-gradient(180deg, #ecfdf5 0%, #f0fdfa 40%, var(--bg-page) 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-glow-1 {
      position: absolute;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(20, 184, 166, 0.2) 0%, rgba(20, 184, 166, 0) 70%);
      top: -150px;
      left: 50%;
      transform: translateX(-50%);
      pointer-events: none;
      z-index: 0;
    }

    .hero-content-box {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-badge-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      padding: 6px 18px;
      border-radius: 30px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--primary-border);
      color: var(--primary-dark);
      font-size: 0.92rem;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-pulse-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
    }

    h1.hero-main-title {
      font-size: 2.85rem;
      line-height: 1.25;
      font-weight: 800;
      color: #042f2e;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }

    .hero-lead-text {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.8;
      max-width: 800px;
      margin: 0 auto 36px;
    }

    .hero-action-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .btn-main-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: 32px;
      color: #ffffff;
      background: linear-gradient(135deg, #0d9488 0%, #0891b2 100%);
      box-shadow: 0 10px 25px rgba(13, 148, 136, 0.3);
      border: none;
      cursor: pointer;
    }

    .btn-main-action:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 28px rgba(13, 148, 136, 0.35);
      color: #ffffff;
    }

    .btn-ghost-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 30px;
      font-size: 1.02rem;
      font-weight: 600;
      border-radius: 32px;
      background: #ffffff;
      color: var(--primary-dark);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .btn-ghost-action:hover {
      border-color: var(--primary-light);
      background: var(--primary-subtle);
    }

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

    .metric-card-item {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
    }

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

    .metric-value-text {
      font-size: 1.95rem;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .metric-label-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台支持的大模型矩阵 */
    .model-matrix-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 36px;
      box-shadow: var(--shadow-sm);
    }

    .model-matrix-title {
      font-size: 0.92rem;
      color: var(--text-muted);
      text-align: center;
      font-weight: 600;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .model-badge-flow {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .model-pill-item {
      font-size: 0.82rem;
      padding: 5px 13px;
      background: #f8faf9;
      color: #274b46;
      border-radius: 18px;
      border: 1px solid #e2ece9;
      font-weight: 500;
      transition: var(--transition);
    }

    .model-pill-item:hover {
      border-color: var(--primary-light);
      background: var(--primary-subtle);
      color: var(--primary-dark);
    }

    /* 平台介绍与架构优势 */
    .intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }

    .intro-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .intro-icon-shape {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary-subtle) 0%, #e6fffa 100%);
      border: 1px solid var(--primary-border);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-dark);
      font-weight: 800;
      font-size: 1.2rem;
      margin-bottom: 20px;
    }

    .intro-title-text {
      font-size: 1.25rem;
      font-weight: 700;
      color: #042f2e;
      margin-bottom: 12px;
    }

    .intro-body-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 一站式制作场景能力矩阵 */
    .scene-grid-layout {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .scene-header-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #042f2e;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .scene-lead-p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .scene-feature-taglist {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      padding-top: 12px;
      border-top: 1px dashed var(--border-color);
    }

    .scene-tag-badge {
      font-size: 0.78rem;
      background: var(--primary-subtle);
      color: var(--primary-dark);
      padding: 3px 9px;
      border-radius: 12px;
      font-weight: 500;
    }

    /* 案例展示画廊 (含真实素材图片) */
    .gallery-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      margin-bottom: 30px;
    }

    .gallery-showcase-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-showcase-item:hover {
      box-shadow: var(--shadow-hover);
      border-color: var(--primary-light);
    }

    .gallery-img-container {
      width: 100%;
      background: #eef2f1;
      overflow: hidden;
    }

    .gallery-img-container img {
      width: 100%;
      height: 280px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .gallery-showcase-item:hover .gallery-img-container img {
      transform: scale(1.02);
    }

    .gallery-meta-info {
      padding: 20px;
    }

    .gallery-meta-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #042f2e;
      margin-bottom: 6px;
    }

    .gallery-meta-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .banner-series-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

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

    .banner-card-cell img {
      width: 100%;
      height: 160px;
      object-fit: cover;
    }

    .banner-card-caption {
      padding: 10px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #134e4a;
      text-align: center;
      background: #fafcfb;
    }

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

    .step-unit-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

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

    .step-number-bubble {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin: 0 auto 18px;
      box-shadow: 0 4px 10px rgba(13, 148, 136, 0.25);
    }

    .step-unit-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #042f2e;
      margin-bottom: 8px;
    }

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

    /* 对比评测板块 */
    .comparison-section-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .rating-banner-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      padding-bottom: 24px;
      margin-bottom: 24px;
      border-bottom: 1px solid var(--border-color);
    }

    .rating-score-highlight {
      display: flex;
      align-items: baseline;
      gap: 10px;
    }

    .rating-score-number {
      font-size: 3.2rem;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1;
    }

    .rating-score-max {
      font-size: 1.2rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .rating-stars-badge {
      display: inline-flex;
      gap: 4px;
      color: #f59e0b;
      font-size: 1.3rem;
    }

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

    .compare-custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.94rem;
    }

    .compare-custom-table th, .compare-custom-table td {
      padding: 16px 18px;
      border-bottom: 1px solid #edf2f0;
    }

    .compare-custom-table th {
      background: #f8faf9;
      color: #042f2e;
      font-weight: 700;
    }

    .compare-custom-table th.col-highlight {
      background: var(--primary-subtle);
      color: var(--primary-dark);
      font-weight: 800;
    }

    .compare-custom-table td.col-highlight {
      background: rgba(240, 253, 250, 0.5);
      color: #042f2e;
      font-weight: 600;
    }

    .table-check-yes {
      color: #059669;
      font-weight: 700;
    }

    .table-check-no {
      color: #94a3b8;
    }

    /* Token 比价与算力方案 */
    .token-tier-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }

    .token-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .token-card-box.popular {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-md);
    }

    .token-card-box.popular::after {
      content: "极力推荐";
      position: absolute;
      top: -13px;
      right: 24px;
      background: var(--primary);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 12px;
    }

    .token-plan-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: #042f2e;
      margin-bottom: 8px;
    }

    .token-plan-price {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary-dark);
      margin: 14px 0 20px;
    }

    .token-plan-price span {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    .token-feature-list {
      margin-bottom: 28px;
      flex-grow: 1;
    }

    .token-feature-list li {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .token-feature-list li::before {
      content: "✓";
      color: var(--primary);
      font-weight: bold;
    }

    /* 客户真实评价 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card-item {
      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);
    }

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

    .testimonial-quote-text {
      font-size: 0.94rem;
      color: #2c4a45;
      line-height: 1.7;
      margin-bottom: 18px;
      font-style: normal;
    }

    .testimonial-user-bar {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid #edf2f0;
    }

    .testimonial-avatar-tag {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-subtle);
      border: 1px solid var(--primary-border);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }

    .testimonial-user-title {
      font-size: 0.92rem;
      font-weight: 700;
      color: #042f2e;
    }

    .testimonial-user-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ 手风琴 */
    .faq-accordion-container {
      max-width: 920px;
      margin: 0 auto;
    }

    .faq-item-node {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item-node:hover {
      border-color: var(--primary-light);
    }

    .faq-header-trigger {
      padding: 18px 22px;
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 1.05rem;
      font-weight: 600;
      color: #042f2e;
      cursor: pointer;
    }

    .faq-icon-arrow {
      font-size: 1.1rem;
      color: var(--primary-dark);
      transition: transform 0.25s ease;
    }

    .faq-answer-panel {
      padding: 0 22px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      color: var(--text-muted);
      font-size: 0.94rem;
      line-height: 1.7;
    }

    .faq-item-node.active .faq-answer-panel {
      padding: 0 22px 18px;
      max-height: 300px;
    }

    .faq-item-node.active .faq-icon-arrow {
      transform: rotate(180deg);
    }

    /* 需求匹配与联络表单 */
    .contact-form-layout {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }

    .contact-side-info {
      background: linear-gradient(135deg, #0f766e 0%, #115e59 100%);
      color: #ffffff;
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-side-title {
      font-size: 1.65rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .contact-side-desc {
      font-size: 0.95rem;
      line-height: 1.7;
      opacity: 0.9;
      margin-bottom: 30px;
    }

    .contact-channel-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      font-size: 0.92rem;
    }

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

    .qr-contact-box {
      margin-top: 30px;
      background: rgba(255, 255, 255, 0.1);
      padding: 16px;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 16px;
    }

    .qr-contact-box img {
      width: 88px;
      height: 88px;
      border-radius: 6px;
      background: #ffffff;
      padding: 4px;
    }

    .qr-contact-label {
      font-size: 0.88rem;
      line-height: 1.5;
    }

    .form-inputs-body {
      padding: 44px;
    }

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

    .form-label-title {
      display: block;
      font-size: 0.92rem;
      font-weight: 600;
      color: #042f2e;
      margin-bottom: 8px;
    }

    .form-control-elem {
      width: 100%;
      padding: 11px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #fbfdfc;
      transition: var(--transition);
      outline: none;
    }

    .form-control-elem:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.12);
    }

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

    .btn-submit-form {
      width: 100%;
      padding: 13px 20px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #ffffff;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 1.02rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 6px 16px rgba(13, 148, 136, 0.25);
      transition: var(--transition);
    }

    .btn-submit-form:hover {
      opacity: 0.95;
      transform: translateY(-1px);
    }

    /* 行业资讯与动态文章 */
    .news-articles-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .news-links-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .news-link-cell {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 18px;
      background: #f8faf9;
      border: 1px solid #eef3f1;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: #134e4a;
      transition: var(--transition);
    }

    .news-link-cell:hover {
      background: var(--primary-subtle);
      border-color: var(--primary-border);
      color: var(--primary-dark);
      transform: translateX(4px);
    }

    /* 统一规范的全局页脚 */
    .site-footer {
      background: #022c28;
      color: #99f6e4;
      border-top: 1px solid #0f766e;
      padding: 56px 0 32px;
    }

    .footer-top-columns {
      display: grid;
      grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
    }

    .footer-col-desc {
      font-size: 0.9rem;
      line-height: 1.7;
      color: #ccfbf1;
      margin-top: 12px;
      max-width: 320px;
    }

    .footer-nav-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.9rem;
    }

    .footer-nav-list a {
      color: #99f6e4;
    }

    .footer-nav-list a:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .footer-friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 10px;
    }

    .footer-friend-links a {
      font-size: 0.85rem;
      color: #5eead4;
      background: rgba(255, 255, 255, 0.06);
      padding: 4px 10px;
      border-radius: 4px;
    }

    .footer-friend-links a:hover {
      background: rgba(255, 255, 255, 0.15);
      color: #ffffff;
    }

    .footer-bottom-bar {
      padding-top: 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
      color: #5eead4;
    }

    /* 浮动客服入口 */
    .float-kefu-widget {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .kefu-float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
      font-size: 1.25rem;
      cursor: pointer;
      border: none;
      position: relative;
    }

    .kefu-float-btn:hover .kefu-modal-preview {
      display: block;
    }

    .kefu-modal-preview {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-md);
      box-shadow: 0 12px 30px rgba(0,0,0,0.18);
      border: 1px solid var(--border-color);
      width: 180px;
      text-align: center;
      color: #042f2e;
    }

    .kefu-modal-preview img {
      width: 130px;
      height: 130px;
      margin: 0 auto 8px;
    }

    .kefu-modal-preview p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-grid, .scene-grid-layout, .token-tier-grid, .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-flow-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .banner-series-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-columns {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-link-item {
        width: 100%;
        padding: 10px 0;
      }
      .nav-toggle-btn {
        display: block;
      }
      .hero-section {
        padding: 48px 0 40px;
      }
      h1.hero-main-title {
        font-size: 2.1rem;
      }
      .intro-grid, .scene-grid-layout, .token-tier-grid, .testimonial-grid, .gallery-showcase-grid {
        grid-template-columns: 1fr;
      }
      .steps-flow-grid {
        grid-template-columns: 1fr;
      }
      .contact-form-layout {
        grid-template-columns: 1fr;
      }
      .news-links-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-columns {
        grid-template-columns: 1fr;
      }
    }