:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      
      --color-primary: #4f46e5;
      --color-accent-amber: #f59e0b;
      --color-accent-emerald: #10b981;
      --color-accent-rose: #f43f5e;
      --color-accent-cyan: #06b6d4;
      --color-accent-purple: #8b5cf6;
      
      --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 -1px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

    .site-container {
      width: 100%;
      max-width: 1240px;
      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(10px);
      border-bottom: 2px solid #0f172a;
      box-shadow: 0 4px 0 0 rgba(15, 23, 42, 0.05);
    }

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

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

    .brand-logo-wrap {
      width: 130px;
      display: flex;
      align-items: center;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-main);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      background: #4f46e5;
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 999px;
      border: 1px solid #0f172a;
    }

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

    .nav-links a {
      font-weight: 600;
      font-size: 0.95rem;
      color: var(--text-main);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      display: inline-block;
    }

    .nav-links a:hover {
      background-color: #f59e0b;
      color: #0f172a;
    }

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

    .btn-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.92rem;
      padding: 10px 18px;
      border-radius: var(--radius-sm);
      border: 2px solid #0f172a;
      box-shadow: 3px 3px 0 #0f172a;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-action:hover {
      transform: translate(-1px, -1px);
      box-shadow: 4px 4px 0 #0f172a;
    }

    .btn-action:active {
      transform: translate(2px, 2px);
      box-shadow: 1px 1px 0 #0f172a;
    }

    .btn-portal {
      background: #f43f5e;
      color: #ffffff;
    }

    .btn-cta {
      background: #10b981;
      color: #0f172a;
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: 2px solid #0f172a;
      border-radius: var(--radius-sm);
      padding: 6px 10px;
      cursor: pointer;
      font-size: 1.1rem;
      font-weight: 900;
      color: #0f172a;
    }

    /* 移动端菜单抽屉 */
    .mobile-nav-panel {
      display: none;
      flex-direction: column;
      gap: 8px;
      padding: 16px 20px;
      background: #ffffff;
      border-bottom: 2px solid #0f172a;
    }

    .mobile-nav-panel.active {
      display: flex;
    }

    .mobile-nav-panel a {
      font-weight: 600;
      padding: 10px 12px;
      border-radius: var(--radius-sm);
      color: var(--text-main);
      background: #f1f5f9;
    }

    /* 通用板块与排版 */
    section {
      padding: 70px 0;
      position: relative;
    }

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

    .section-tag {
      display: inline-block;
      font-weight: 800;
      font-size: 0.82rem;
      padding: 4px 14px;
      border-radius: 999px;
      border: 2px solid #0f172a;
      background: #f59e0b;
      color: #0f172a;
      box-shadow: 2px 2px 0 #0f172a;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 900;
      color: #0f172a;
      line-height: 1.3;
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

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

    /* 首屏 Hero - 无图片设计，纯撞色几何度量 */
    .hero-section {
      padding: 64px 0 76px;
      background: linear-gradient(180deg, #fef08a 0%, #fed7aa 50%, #f8fafc 100%);
      border-bottom: 2px solid #0f172a;
    }

    .hero-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .hero-highlight-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 2px solid #0f172a;
      box-shadow: 3px 3px 0 #0f172a;
      border-radius: 999px;
      padding: 6px 18px;
      font-size: 0.9rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 24px;
    }

    .hero-highlight-pill .pill-dot {
      width: 10px;
      height: 10px;
      background: #10b981;
      border: 1px solid #0f172a;
      border-radius: 50%;
    }

    .hero-heading {
      font-size: 3.1rem;
      font-weight: 900;
      line-height: 1.18;
      color: #0f172a;
      margin-bottom: 20px;
      max-width: 950px;
      letter-spacing: -1px;
    }

    .hero-heading .text-contrast {
      color: #4f46e5;
      text-decoration: underline;
      text-decoration-color: #f43f5e;
      text-decoration-thickness: 6px;
    }

    .hero-desc {
      font-size: 1.2rem;
      font-weight: 500;
      color: #334155;
      max-width: 780px;
      margin-bottom: 34px;
    }

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

    .btn-hero-primary {
      font-size: 1.15rem;
      padding: 14px 34px;
      background: #4f46e5;
      color: #ffffff;
      border: 2px solid #0f172a;
      box-shadow: 4px 4px 0 #0f172a;
      border-radius: var(--radius-md);
      font-weight: 800;
    }

    .btn-hero-primary:hover {
      background: #4338ca;
      box-shadow: 6px 6px 0 #0f172a;
    }

    .btn-hero-secondary {
      font-size: 1.15rem;
      padding: 14px 32px;
      background: #f59e0b;
      color: #0f172a;
      border: 2px solid #0f172a;
      box-shadow: 4px 4px 0 #0f172a;
      border-radius: var(--radius-md);
      font-weight: 800;
    }

    .hero-feature-cards {
      width: 100%;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 10px;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      box-shadow: 4px 4px 0 #0f172a;
      padding: 20px;
      text-align: left;
      transition: var(--transition);
    }

    .hero-stat-card:hover {
      transform: translateY(-3px);
      box-shadow: 6px 6px 0 #0f172a;
    }

    .card-accent-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 4px;
      border: 1px solid #0f172a;
      margin-bottom: 8px;
    }

    .hero-stat-card h3 {
      font-size: 1.1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 6px;
    }

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

    /* 平台核心支持生态 (标签墙) */
    .model-strip {
      background: #0f172a;
      padding: 22px 0;
      color: #ffffff;
      border-bottom: 2px solid #0f172a;
    }

    .model-strip-wrapper {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center;
      gap: 12px;
    }

    .strip-label {
      font-weight: 800;
      font-size: 0.95rem;
      color: #f59e0b;
      margin-right: 8px;
    }

    .model-chip {
      background: #1e293b;
      color: #f1f5f9;
      font-size: 0.82rem;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 999px;
      border: 1px solid #334155;
      transition: var(--transition);
    }

    .model-chip:hover {
      background: #4f46e5;
      border-color: #818cf8;
      color: #ffffff;
    }

    /* 平台介绍与一站式架构 */
    .platform-intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }

    .intro-text-box {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 6px 6px 0 #0f172a;
    }

    .intro-text-box h3 {
      font-size: 1.7rem;
      font-weight: 900;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .intro-text-box p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 18px;
      line-height: 1.7;
    }

    .intro-highlights {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 24px;
    }

    .intro-mini-item {
      background: #f8fafc;
      border: 2px solid #0f172a;
      border-radius: var(--radius-sm);
      padding: 12px 16px;
    }

    .intro-mini-item strong {
      display: block;
      color: #0f172a;
      font-size: 1rem;
      margin-bottom: 4px;
    }

    .intro-mini-item span {
      font-size: 0.84rem;
      color: var(--text-muted);
    }

    .intro-media-box {
      border: 2px solid #0f172a;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 6px 6px 0 #0f172a;
      background: #ffffff;
    }

    .intro-media-box img {
      width: 100%;
      display: block;
      height: auto;
    }

    .intro-media-footer {
      padding: 16px 20px;
      background: #f1f5f9;
      border-top: 2px solid #0f172a;
      font-weight: 700;
      font-size: 0.92rem;
      color: #0f172a;
    }

    /* AIGC 服务与场景工坊网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      box-shadow: 4px 4px 0 #0f172a;
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: 7px 7px 0 #0f172a;
    }

    .service-badge {
      display: inline-block;
      align-self: flex-start;
      padding: 4px 10px;
      border-radius: 999px;
      font-size: 0.76rem;
      font-weight: 800;
      border: 1.5px solid #0f172a;
      margin-bottom: 14px;
    }

    .service-title {
      font-size: 1.22rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 10px;
    }

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

    .service-footer {
      border-top: 1.5px dashed var(--border-color);
      padding-top: 12px;
      font-size: 0.84rem;
      font-weight: 700;
      color: var(--color-primary);
    }

    /* 一站式制作工作流 */
    .workflow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .workflow-step-card {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      box-shadow: 4px 4px 0 #0f172a;
      padding: 24px 20px;
      position: relative;
    }

    .step-index-badge {
      position: absolute;
      top: -14px;
      left: 18px;
      background: #f43f5e;
      color: #ffffff;
      font-weight: 900;
      font-size: 0.85rem;
      padding: 3px 12px;
      border-radius: 999px;
      border: 2px solid #0f172a;
      box-shadow: 2px 2px 0 #0f172a;
    }

    .workflow-step-card h3 {
      font-size: 1.15rem;
      font-weight: 800;
      color: #0f172a;
      margin-top: 10px;
      margin-bottom: 8px;
    }

    .workflow-step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 行业解决方案与素材并排 */
    .industry-showcase {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: center;
      margin-bottom: 30px;
    }

    .industry-card-wrap {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      box-shadow: 5px 5px 0 #0f172a;
      padding: 28px;
    }

    .industry-card-wrap h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .industry-card-wrap p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    .industry-media-slot {
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 5px 5px 0 #0f172a;
      background: #fff;
    }

    .industry-media-slot img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 对比评测 - 权威推荐与参数对比 */
    .evaluation-card {
      background: #ffffff;
      border: 3px solid #0f172a;
      border-radius: var(--radius-lg);
      box-shadow: 8px 8px 0 #0f172a;
      padding: 36px;
      margin-bottom: 40px;
    }

    .eval-header-flex {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      border-bottom: 2px solid var(--border-color);
      padding-bottom: 24px;
      margin-bottom: 28px;
    }

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

    .score-badge-huge {
      background: #f59e0b;
      color: #0f172a;
      font-size: 2.2rem;
      font-weight: 900;
      padding: 10px 22px;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      box-shadow: 3px 3px 0 #0f172a;
      line-height: 1;
    }

    .score-meta strong {
      display: block;
      font-size: 1.15rem;
      color: #0f172a;
    }

    .score-meta span {
      font-size: 0.9rem;
      color: #16a34a;
      font-weight: 700;
    }

    .table-responsive-box {
      width: 100%;
      overflow-x: auto;
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 600px;
    }

    .eval-table th, .eval-table td {
      padding: 14px 18px;
      border-bottom: 1.5px solid var(--border-color);
      font-size: 0.95rem;
    }

    .eval-table th {
      background: #f1f5f9;
      color: #0f172a;
      font-weight: 800;
    }

    .eval-table tr:hover td {
      background: #fafafa;
    }

    .tag-yes {
      display: inline-block;
      padding: 3px 10px;
      background: #dcfce7;
      color: #15803d;
      font-weight: 800;
      border-radius: 999px;
      border: 1px solid #16a34a;
      font-size: 0.85rem;
    }

    .tag-no {
      display: inline-block;
      padding: 3px 10px;
      background: #fee2e2;
      color: #b91c1c;
      font-weight: 700;
      border-radius: 999px;
      font-size: 0.85rem;
    }

    /* Token 比价板块 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      box-shadow: 4px 4px 0 #0f172a;
      padding: 24px;
      text-align: center;
    }

    .token-card.popular {
      background: #eff6ff;
      border-color: #2563eb;
      box-shadow: 5px 5px 0 #1d4ed8;
      position: relative;
    }

    .popular-tag {
      position: absolute;
      top: -12px;
      right: 18px;
      background: #2563eb;
      color: #fff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 10px;
      border-radius: 999px;
      border: 1.5px solid #0f172a;
    }

    .token-card h3 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: #4f46e5;
      margin: 12px 0;
    }

    .token-price small {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    .token-features {
      text-align: left;
      margin: 18px 0;
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 客户真实评价 6 条网格 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .testimonial-card {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      box-shadow: 4px 4px 0 #0f172a;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #f59e0b;
      font-size: 1.1rem;
      margin-bottom: 10px;
    }

    .review-body {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 18px;
      font-style: normal;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1.5px solid var(--border-color);
      padding-top: 12px;
    }

    .author-avatar-badge {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      border: 1.5px solid #0f172a;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      color: #0f172a;
      font-size: 1rem;
      background: #a7f3d0;
    }

    .author-info strong {
      display: block;
      font-size: 0.92rem;
      color: #0f172a;
    }

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

    /* 案例中心 */
    .case-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 4px 4px 0 #0f172a;
    }

    .case-content {
      padding: 24px;
    }

    .case-content h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .case-content p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 12px;
    }

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

    .case-tag-item {
      font-size: 0.75rem;
      font-weight: 700;
      background: #f1f5f9;
      border: 1px solid var(--border-color);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* FAQ 折叠面板 (不少于10条) */
    .faq-accordion-wrap {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      box-shadow: 3px 3px 0 #0f172a;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-trigger {
      width: 100%;
      text-align: left;
      background: transparent;
      border: none;
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 800;
      color: #0f172a;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .faq-icon-cross {
      font-size: 1.3rem;
      font-weight: 900;
      transition: transform 0.25s ease;
      color: #4f46e5;
    }

    .faq-item.active .faq-icon-cross {
      transform: rotate(45deg);
      color: #f43f5e;
    }

    .faq-answer-panel {
      display: none;
      padding: 0 24px 20px;
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px dashed var(--border-color);
      margin-top: 4px;
    }

    .faq-item.active .faq-answer-panel {
      display: block;
    }

    /* AI百科 & 行业资讯模块 */
    .knowledge-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }

    .knowledge-column {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      box-shadow: 4px 4px 0 #0f172a;
      padding: 28px;
    }

    .knowledge-column h3 {
      font-size: 1.35rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
      border-bottom: 2px solid var(--border-color);
      padding-bottom: 10px;
    }

    .article-item-list li {
      margin-bottom: 14px;
      padding-bottom: 12px;
      border-bottom: 1px solid #f1f5f9;
    }

    .article-item-list a {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
      display: inline-block;
      transition: var(--transition);
    }

    .article-item-list a:hover {
      color: #4f46e5;
      text-decoration: underline;
    }

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

    /* 需求匹配与表单板块 */
    .matching-form-wrapper {
      background: #ffffff;
      border: 3px solid #0f172a;
      border-radius: var(--radius-lg);
      box-shadow: 8px 8px 0 #0f172a;
      padding: 40px;
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 36px;
    }

    .form-info-side h3 {
      font-size: 1.8rem;
      font-weight: 900;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .form-info-side p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .contact-direct-badges {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .direct-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      font-weight: 700;
      color: #0f172a;
      background: #f8fafc;
      border: 1.5px solid #0f172a;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
    }

    .qr-preview-box {
      margin-top: 18px;
      padding: 14px;
      background: #ffffff;
      border: 2px dashed #0f172a;
      border-radius: var(--radius-sm);
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      max-width: 160px;
    }

    .qr-preview-box img {
      width: 120px;
      height: 120px;
      object-fit: cover;
      display: block;
      border-radius: 4px;
    }

    .qr-preview-box span {
      font-size: 0.78rem;
      font-weight: 700;
      color: #0f172a;
    }

    /* 需求表单本体 */
    .lead-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group-item label {
      font-size: 0.88rem;
      font-weight: 800;
      color: #0f172a;
    }

    .form-input-field, .form-select-field, .form-textarea-field {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.94rem;
      border: 2px solid #0f172a;
      border-radius: var(--radius-sm);
      background: #ffffff;
      color: #0f172a;
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-input-field:focus, .form-select-field:focus, .form-textarea-field:focus {
      border-color: #4f46e5;
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
    }

    .btn-submit-lead {
      background: #10b981;
      color: #0f172a;
      font-size: 1.05rem;
      font-weight: 900;
      padding: 14px 24px;
      border: 2px solid #0f172a;
      border-radius: var(--radius-sm);
      box-shadow: 4px 4px 0 #0f172a;
      cursor: pointer;
      transition: var(--transition);
      margin-top: 6px;
    }

    .btn-submit-lead:hover {
      background: #34d399;
      transform: translate(-1px, -1px);
      box-shadow: 5px 5px 0 #0f172a;
    }

    /* 加盟代理与服务网络模块 */
    .agency-card-box {
      background: linear-gradient(135deg, #fef3c7 0%, #ede9fe 100%);
      border: 3px solid #0f172a;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: 8px 8px 0 #0f172a;
    }

    .agency-grid-four {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 24px;
    }

    .agency-item {
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: 3px 3px 0 #0f172a;
    }

    .agency-item h3 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .agency-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 页脚与收尾体系 */
    .site-footer {
      background: #ffffff;
      border-top: 3px solid #0f172a;
      padding: 60px 0 30px;
      color: #0f172a;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 900;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 12px;
    }

    .footer-links-list li {
      margin-bottom: 8px;
    }

    .footer-links-list a {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 600;
      transition: var(--transition);
    }

    .footer-links-list a:hover {
      color: #4f46e5;
      text-decoration: underline;
    }

    .footer-friendship-links {
      border-top: 1.5px solid var(--border-color);
      padding: 20px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px 18px;
      font-size: 0.85rem;
    }

    .footer-friendship-links strong {
      color: #0f172a;
    }

    .footer-friendship-links a {
      color: var(--text-muted);
      font-weight: 600;
      transition: var(--transition);
    }

    .footer-friendship-links a:hover {
      color: #4f46e5;
    }

    .footer-bottom-copy {
      border-top: 1.5px solid var(--border-color);
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-size: 0.84rem;
      color: var(--text-light);
    }

    /* 悬浮客服面板与回顶 */
    .floating-assistant-bar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-tool-btn {
      width: 48px;
      height: 48px;
      background: #ffffff;
      border: 2px solid #0f172a;
      border-radius: 50%;
      box-shadow: 3px 3px 0 #0f172a;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1.15rem;
      font-weight: 800;
      color: #0f172a;
      transition: var(--transition);
    }

    .float-tool-btn:hover {
      transform: scale(1.08);
      background: #f59e0b;
    }

    .btn-back-top {
      display: none;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-heading {
        font-size: 2.4rem;
      }
      .hero-feature-cards {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-grid {
        grid-template-columns: 1fr;
      }
      .testimonial-grid {
        grid-template-columns: 1fr;
      }
      .agency-grid-four {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .matching-form-wrapper {
        grid-template-columns: 1fr;
      }
      .platform-intro-grid {
        grid-template-columns: 1fr;
      }
      .industry-showcase {
        grid-template-columns: 1fr;
      }
      .case-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-action-group .btn-cta {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-heading {
        font-size: 1.85rem;
      }
      .hero-desc {
        font-size: 1rem;
      }
      .hero-feature-cards {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .workflow-steps-grid {
        grid-template-columns: 1fr;
      }
      .agency-grid-four {
        grid-template-columns: 1fr;
      }
      .knowledge-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .eval-header-flex {
        flex-direction: column;
        align-items: flex-start;
      }
    }