:root {
      --primary-color: #d62027;
      --primary-hover: #b3141b;
      --primary-soft: #fff1f2;
      --primary-accent: #ff4d4f;
      --gold-accent: #e09f3e;
      --text-main: #1f2429;
      --text-sub: #5c6470;
      --text-light: #8b95a5;
      --bg-page: #fbfbfc;
      --bg-surface: #ffffff;
      --bg-alt: #f8f9fa;
      --border-color: #f0e1e1;
      --border-light: #eceff4;
      --shadow-sm: 0 4px 12px rgba(214, 32, 39, 0.05);
      --shadow-md: 0 8px 24px rgba(214, 32, 39, 0.08);
      --shadow-lg: 0 16px 36px rgba(214, 32, 39, 0.12);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --container-width: 1200px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      font-size: 16px;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-width);
      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, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

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

    .brand-logo-img {
      height: 42px;
      width: auto;
    }

    .brand-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary-color);
      letter-spacing: 0.5px;
    }

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

    .nav-link-item {
      display: inline-block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }

    .nav-link-item:hover {
      color: var(--primary-color);
      background-color: var(--primary-soft);
    }

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
      color: #ffffff;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-md);
      box-shadow: 0 4px 12px rgba(214, 32, 39, 0.25);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(214, 32, 39, 0.35);
      color: #ffffff;
    }

    .nav-toggle-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      color: var(--text-main);
    }

    /* 醒目标题区通用 */
    .section-padding {
      padding: 80px 0;
    }

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

    .section-badge {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 20px;
      background: var(--primary-soft);
      color: var(--primary-color);
      margin-bottom: 14px;
      border: 1px solid rgba(214, 32, 39, 0.2);
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 首屏 HERO - 纯CSS布局，禁止任何图片 */
    .hero-section {
      position: relative;
      padding: 90px 0 80px 0;
      background: radial-gradient(circle at 85% 15%, #ffe6e6 0%, transparent 45%),
                  radial-gradient(circle at 10% 85%, #fff0f0 0%, transparent 40%),
                  linear-gradient(180deg, #ffffff 0%, #fdf6f6 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 30px;
      background-color: #ffffff;
      border: 1px solid rgba(214, 32, 39, 0.25);
      box-shadow: var(--shadow-sm);
      font-size: 14px;
      color: var(--primary-color);
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-pill-dot {
      width: 8px;
      height: 8px;
      background: var(--primary-color);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 0 3px rgba(214, 32, 39, 0.2);
    }

    .hero-main-title {
      font-size: 42px;
      line-height: 1.25;
      font-weight: 900;
      color: #111417;
      letter-spacing: -0.5px;
      margin-bottom: 22px;
    }

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

    .hero-sub-title {
      font-size: 18px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-hero-major {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 16px 36px;
      background: linear-gradient(135deg, #e60012, #b8000a);
      color: #ffffff;
      font-size: 17px;
      font-weight: 700;
      border-radius: var(--radius-md);
      box-shadow: 0 8px 24px rgba(230, 0, 18, 0.35);
      transition: all 0.25s ease;
    }

    .btn-hero-major:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(230, 0, 18, 0.45);
      color: #ffffff;
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 16px 30px;
      background: #ffffff;
      color: var(--text-main);
      font-size: 16px;
      font-weight: 600;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .btn-hero-secondary:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
      transform: translateY(-2px);
    }

    .hero-meta-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 980px;
      margin: 0 auto;
    }

    .hero-stat-card {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid var(--border-color);
      padding: 20px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.25s ease;
    }

    .hero-stat-card:hover {
      transform: translateY(-3px);
      border-color: var(--primary-color);
    }

    .stat-number {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 13px;
      color: var(--text-sub);
    }

    /* 平台介绍板块 */
    .about-section {
      background: var(--bg-surface);
      border-bottom: 1px solid var(--border-light);
    }

    .about-layout {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .about-text-col p {
      margin-bottom: 18px;
      color: var(--text-sub);
      font-size: 16px;
    }

    .about-points-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 24px;
    }

    .point-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: var(--bg-alt);
      padding: 14px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--primary-color);
    }

    .point-item strong {
      display: block;
      font-size: 15px;
      color: var(--text-main);
      margin-bottom: 3px;
    }

    .point-item span {
      font-size: 13px;
      color: var(--text-sub);
    }

    .about-feature-box {
      background: linear-gradient(145deg, #fff5f5, #ffffff);
      border: 1px solid var(--border-color);
      padding: 32px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
    }

    .feature-model-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 20px;
    }

    .model-tag {
      display: inline-block;
      padding: 6px 12px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      border-radius: 6px;
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      background: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
    }

    /* AIGC 服务与场景工坊 */
    .services-section {
      background: var(--bg-alt);
      border-bottom: 1px solid var(--border-light);
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(214, 32, 39, 0.3);
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: var(--primary-soft);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 18px;
      border: 1px solid rgba(214, 32, 39, 0.2);
    }

    .service-card-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card-desc {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

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

    .service-feature-tags span {
      font-size: 12px;
      background: #f4f6f8;
      color: var(--text-sub);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 一站式制作全景 */
    .onestop-section {
      background: var(--bg-surface);
      border-bottom: 1px solid var(--border-light);
    }

    .onestop-tabs {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 30px;
    }

    .tab-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      padding: 18px;
      border-radius: var(--radius-md);
      text-align: center;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .tab-card.active, .tab-card:hover {
      border-color: var(--primary-color);
      background: var(--primary-soft);
    }

    .tab-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .tab-card p {
      font-size: 13px;
      color: var(--text-sub);
    }

    .workflow-display {
      background: #fdfaf9;
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .wf-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .wf-index {
      font-size: 12px;
      font-weight: 800;
      color: var(--primary-color);
      background: var(--primary-soft);
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .wf-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .wf-desc {
      font-size: 13px;
      color: var(--text-sub);
    }

    /* 行业方案展示 */
    .solutions-section {
      background: var(--bg-alt);
      border-bottom: 1px solid var(--border-light);
    }

    .solution-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .solution-box {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .solution-box h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .solution-list-items li {
      position: relative;
      padding-left: 18px;
      margin-bottom: 10px;
      font-size: 14px;
      color: var(--text-sub);
    }

    .solution-list-items li::before {
      content: "•";
      color: var(--primary-color);
      position: absolute;
      left: 0;
      font-size: 20px;
      line-height: 1;
      top: -2px;
    }

    /* 真实案例展示与图文物料 */
    .cases-section {
      background: var(--bg-surface);
      border-bottom: 1px solid var(--border-light);
    }

    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
      margin-bottom: 40px;
    }

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

    .case-img-wrap {
      width: 100%;
      background: #f0f2f5;
      overflow: hidden;
      aspect-ratio: 16 / 9;
    }

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

    .case-item-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }

    .case-body {
      padding: 22px;
    }

    .case-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .case-desc {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    .material-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .mat-card {
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: #ffffff;
      padding: 8px;
    }

    .mat-card img {
      border-radius: 4px;
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    .mat-card-label {
      font-size: 13px;
      text-align: center;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 4px 4px;
    }

    /* 对比评测板块 */
    .compare-section {
      background: var(--bg-alt);
      border-bottom: 1px solid var(--border-light);
    }

    .score-banner {
      background: linear-gradient(135deg, #b8000a, #e60012);
      border-radius: var(--radius-lg);
      padding: 32px 40px;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      box-shadow: 0 10px 30px rgba(214, 32, 39, 0.25);
    }

    .score-left h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .score-left p {
      font-size: 15px;
      opacity: 0.9;
    }

    .score-val-wrap {
      text-align: right;
    }

    .score-stars {
      color: #ffd166;
      font-size: 22px;
      margin-bottom: 4px;
      letter-spacing: 2px;
    }

    .score-digits {
      font-size: 44px;
      font-weight: 900;
      line-height: 1;
    }

    .score-digits small {
      font-size: 18px;
      font-weight: 500;
      opacity: 0.85;
    }

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 680px;
    }

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      text-align: left;
      font-size: 14px;
      border-bottom: 1px solid var(--border-light);
    }

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

    .compare-table tr:hover td {
      background-color: #fff9f9;
    }

    .col-highlight {
      background-color: rgba(255, 241, 242, 0.4);
      color: var(--primary-color);
      font-weight: 600;
    }

    /* Token 比价与算力优势 */
    .token-section {
      background: var(--bg-surface);
      border-bottom: 1px solid var(--border-light);
    }

    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .popular-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-color);
      color: #ffffff;
      font-size: 12px;
      padding: 2px 14px;
      border-radius: 12px;
      font-weight: 600;
    }

    .token-card h4 {
      font-size: 20px;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .token-price {
      font-size: 34px;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 16px;
    }

    .token-price span {
      font-size: 14px;
      color: var(--text-sub);
      font-weight: 400;
    }

    .token-features-list li {
      font-size: 14px;
      color: var(--text-sub);
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-light);
    }

    /* 服务网络与标准化流程 */
    .process-section {
      background: var(--bg-alt);
      border-bottom: 1px solid var(--border-light);
    }

    .process-flow {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .process-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .process-num {
      width: 36px;
      height: 36px;
      line-height: 36px;
      background: var(--primary-color);
      color: #ffffff;
      font-weight: 800;
      border-radius: 50%;
      margin: 0 auto 14px auto;
    }

    .process-card h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .process-card p {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* 用户真实评价（6条） */
    .reviews-section {
      background: var(--bg-surface);
      border-bottom: 1px solid var(--border-light);
    }

    .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;
    }

    .review-text {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }

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

    .author-avatar {
      width: 44px;
      height: 44px;
      background: var(--primary-soft);
      color: var(--primary-color);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      font-size: 15px;
    }

    .author-info h5 {
      font-size: 15px;
      color: var(--text-main);
      font-weight: 700;
    }

    .author-info p {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 常见问题 FAQ 折叠面板 */
    .faq-section {
      background: var(--bg-alt);
      border-bottom: 1px solid var(--border-light);
    }

    .faq-container {
      max-width: 920px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      background: none;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      text-align: left;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      transition: color 0.2s ease;
    }

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

    .faq-icon {
      font-size: 18px;
      transition: transform 0.3s ease;
      color: var(--primary-color);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      color: var(--text-sub);
      font-size: 14px;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 220px;
      padding: 0 24px 20px 24px;
    }

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

    /* 加盟代理与被动收益 */
    .agency-section {
      background: linear-gradient(180deg, #fff5f5 0%, #ffffff 100%);
      border-bottom: 1px solid var(--border-color);
    }

    .agency-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }

    .agency-highlights {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .agency-hl-item {
      background: #fafbfc;
      border-left: 3px solid var(--primary-color);
      padding: 12px 14px;
      border-radius: 4px;
    }

    .agency-hl-item strong {
      display: block;
      font-size: 15px;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .agency-hl-item p {
      font-size: 12px;
      color: var(--text-sub);
    }

    .agency-qr-box {
      text-align: center;
      background: #fffafa;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px dashed var(--border-color);
    }

    .agency-qr-box .qr-img-wrap {
      width: 160px;
      margin: 0 auto 12px auto;
      background: #ffffff;
      padding: 8px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
    }

    /* 需求匹配与表单 */
    .matching-section {
      background: var(--bg-surface);
      border-bottom: 1px solid var(--border-light);
    }

    .form-wrapper {
      max-width: 780px;
      margin: 0 auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .contact-form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .form-group.full-width {
      grid-column: span 2;
    }

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background-color: #fdfdfd;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(214, 32, 39, 0.12);
    }

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

    .btn-submit {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      border: none;
      border-radius: var(--radius-md);
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(214, 32, 39, 0.3);
      transition: all 0.2s ease;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(214, 32, 39, 0.4);
    }

    /* AI 百科 & 资讯中心 */
    .wiki-section {
      background: var(--bg-alt);
      border-bottom: 1px solid var(--border-light);
    }

    .wiki-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

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

    .wiki-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .wiki-links-list li {
      padding: 10px 0;
      border-bottom: 1px dashed var(--border-light);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 14px;
    }

    .wiki-links-list li a {
      color: var(--text-main);
    }

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

    /* 联系我们板块 */
    .contact-section {
      background: var(--bg-surface);
      border-bottom: 1px solid var(--border-light);
    }

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

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .contact-info-card p {
      font-size: 14px;
      color: var(--text-sub);
      word-break: break-all;
    }

    /* 页脚与友情链接 */
    .site-footer {
      background: #181b20;
      color: #c0c6cf;
      padding: 60px 0 24px 0;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 28px;
      height: 2px;
      background: var(--primary-color);
    }

    .footer-links-col li {
      margin-bottom: 10px;
      font-size: 14px;
    }

    .footer-links-col a {
      color: #9da6b2;
    }

    .footer-links-col a:hover {
      color: #ffffff;
    }

    .footer-qr-inner {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .footer-qr-img {
      width: 90px;
      height: 90px;
      background: #ffffff;
      padding: 4px;
      border-radius: 4px;
    }

    .footer-friend-links {
      border-top: 1px solid #282d36;
      padding: 24px 0;
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      font-size: 13px;
    }

    .footer-friend-links span {
      color: #ffffff;
      font-weight: 600;
    }

    .footer-friend-links a {
      color: #9da6b2;
      transition: color 0.2s ease;
    }

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

    .footer-bottom-bar {
      border-top: 1px solid #242932;
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
      color: #7b8492;
    }

    /* 悬浮快捷入口 */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-color);
      font-size: 20px;
      cursor: pointer;
      transition: all 0.2s ease;
    }

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

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-meta-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid, .token-grid, .reviews-grid, .solution-cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-flow {
        grid-template-columns: repeat(3, 1fr);
      }
      .workflow-display {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .onestop-tabs {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        height: 64px;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-link-item {
        width: 100%;
        padding: 10px 0;
      }
      .nav-toggle-btn {
        display: block;
      }
      .hero-main-title {
        font-size: 30px;
      }
      .hero-sub-title {
        font-size: 15px;
      }
      .hero-meta-grid {
        grid-template-columns: 1fr;
      }
      .about-layout {
        grid-template-columns: 1fr;
      }
      .service-grid, .token-grid, .reviews-grid, .solution-cards-grid {
        grid-template-columns: 1fr;
      }
      .case-gallery-grid {
        grid-template-columns: 1fr;
      }
      .material-strip {
        grid-template-columns: repeat(2, 1fr);
      }
      .score-banner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
      }
      .score-val-wrap {
        text-align: center;
      }
      .process-flow {
        grid-template-columns: 1fr;
      }
      .workflow-display {
        grid-template-columns: 1fr;
      }
      .agency-wrap {
        grid-template-columns: 1fr;
      }
      .contact-form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width {
        grid-column: span 1;
      }
      .wiki-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .contact-cards-grid {
        grid-template-columns: 1fr;
      }
    }