:root {
      --primary: #7928ca;
      --primary-hover: #601bb0;
      --secondary: #9047e8;
      --accent: #d946ef;
      --accent-subtle: #f5edfd;
      --dark-text: #1d192b;
      --body-text: #49454f;
      --muted-text: #79747e;
      --light-bg: #faf7ff;
      --surface-white: #ffffff;
      --surface-border: #ede4f7;
      --card-shadow: 0 10px 30px rgba(121, 40, 202, 0.08);
      --card-shadow-hover: 0 18px 40px rgba(121, 40, 202, 0.16);
      --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--light-bg);
      color: var(--dark-text);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    /* 统一居中容器规范 */
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

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

    /* 基础通用组件 */
    .section-spacing {
      padding: 72px 0;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px auto;
    }

    .section-badge {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      color: var(--primary);
      background: var(--accent-subtle);
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 12px;
      border: 1px solid rgba(121, 40, 202, 0.15);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 700;
      color: var(--dark-text);
      line-height: 1.35;
      margin-bottom: 14px;
    }

    .section-title span {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

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

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

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

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

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

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

    .nav-links li a:hover {
      color: var(--primary);
      background: var(--accent-subtle);
    }

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

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

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(121, 40, 202, 0.25);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(121, 40, 202, 0.35);
      color: #ffffff;
    }

    .btn-secondary {
      background: var(--accent-subtle);
      color: var(--primary);
      border-color: rgba(121, 40, 202, 0.2);
    }

    .btn-secondary:hover {
      background: #eee0fa;
      color: var(--primary-hover);
    }

    .nav-toggle-btn {
      display: none;
      background: none;
      border: 1px solid var(--surface-border);
      padding: 8px;
      border-radius: var(--radius-sm);
      cursor: pointer;
    }

    /* 首屏 Hero - 严禁出现图片，仅用科技几何与纯 CSS 动效构建绚烂亮紫氛围 */
    .hero-section {
      position: relative;
      padding: 88px 0 72px 0;
      background: radial-gradient(circle at 80% 20%, rgba(217, 70, 239, 0.14) 0%, transparent 40%),
                  radial-gradient(circle at 10% 80%, rgba(121, 40, 202, 0.12) 0%, transparent 45%),
                  #faf7ff;
      overflow: hidden;
      border-bottom: 1px solid var(--surface-border);
    }

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

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

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid rgba(121, 40, 202, 0.2);
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 20px;
      box-shadow: 0 2px 8px rgba(121, 40, 202, 0.06);
    }

    .hero-eyebrow .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--accent);
      border-radius: 50%;
      animation: pulseAnim 2s infinite;
    }

    @keyframes pulseAnim {
      0% { transform: scale(0.9); opacity: 0.8; }
      50% { transform: scale(1.4); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.8; }
    }

    .hero-title {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .text-gradient {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 90%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

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

    .btn-hero-official {
      background: linear-gradient(135deg, #7928ca 0%, #d946ef 100%);
      color: #ffffff;
      font-size: 1.05rem;
      padding: 13px 30px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      box-shadow: 0 8px 24px rgba(217, 70, 239, 0.35);
      border: none;
    }

    .btn-hero-official:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(121, 40, 202, 0.45);
      color: #ffffff;
    }

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

    .hero-tag-item {
      font-size: 0.8rem;
      padding: 4px 10px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--surface-border);
      color: var(--muted-text);
    }

    /* 首屏纯 CSS 构造的互动科技看板（无任何图片） */
    .hero-visual-card {
      background: #ffffff;
      border: 1px solid rgba(121, 40, 202, 0.16);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 20px 48px rgba(121, 40, 202, 0.1);
      position: relative;
    }

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

    .panel-status {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
    }

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

    .metric-box {
      background: var(--light-bg);
      border: 1px solid var(--surface-border);
      padding: 16px;
      border-radius: var(--radius-md);
      transition: var(--transition-smooth);
    }

    .metric-box:hover {
      transform: translateY(-2px);
      border-color: rgba(121, 40, 202, 0.3);
      box-shadow: 0 6px 18px rgba(121, 40, 202, 0.08);
    }

    .metric-title {
      font-size: 0.82rem;
      color: var(--muted-text);
      margin-bottom: 4px;
    }

    .metric-value {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
    }

    .panel-model-stream {
      background: #faf7ff;
      border-radius: var(--radius-md);
      padding: 14px 18px;
      border: 1px dashed rgba(121, 40, 202, 0.25);
    }

    .model-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 8px;
    }

    .model-pill {
      font-size: 0.75rem;
      background: #ffffff;
      border: 1px solid var(--surface-border);
      padding: 3px 8px;
      border-radius: 4px;
      color: var(--body-text);
      font-weight: 500;
    }

    /* 核心矩阵模型展台 - 亮紫横幅 */
    .models-marquee-section {
      background: #ffffff;
      border-bottom: 1px solid var(--surface-border);
      padding: 24px 0;
    }

    .marquee-label {
      text-align: center;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--muted-text);
      margin-bottom: 14px;
    }

    .models-chip-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .chip-item {
      font-size: 0.85rem;
      background: var(--light-bg);
      color: var(--primary);
      border: 1px solid rgba(121, 40, 202, 0.15);
      padding: 5px 12px;
      border-radius: 999px;
      font-weight: 600;
      transition: var(--transition-smooth);
    }

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

    /* 平台核心架构与优势（平台介绍） */
    .about-section {
      background: #ffffff;
    }

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

    .about-card {
      background: var(--light-bg);
      border: 1px solid var(--surface-border);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      transition: var(--transition-smooth);
    }

    .about-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-shadow);
      border-color: rgba(121, 40, 202, 0.3);
    }

    .card-icon-wrap {
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #ffffff;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.25rem;
      margin-bottom: 18px;
    }

    .about-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--dark-text);
    }

    .about-card p {
      font-size: 0.95rem;
      color: var(--body-text);
      line-height: 1.6;
    }

    /* AIGC主打服务场景大厅 (20+ 细分功能全景) */
    .services-section {
      background: var(--light-bg);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--surface-border);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition-smooth);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .service-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--accent-subtle);
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
    }

    .service-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark-text);
      margin-bottom: 8px;
    }

    .service-card p {
      font-size: 0.9rem;
      color: var(--body-text);
      line-height: 1.55;
      margin-bottom: 16px;
    }

    .service-features {
      list-style: none;
      font-size: 0.85rem;
      color: var(--muted-text);
      border-top: 1px solid var(--surface-border);
      padding-top: 12px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .service-features li::before {
      content: "✓";
      color: var(--primary);
      margin-right: 6px;
      font-weight: bold;
    }

    /* 一站式制作流程 */
    .workflow-section {
      background: #ffffff;
    }

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

    .step-box {
      background: var(--light-bg);
      border: 1px solid var(--surface-border);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      position: relative;
      transition: var(--transition-smooth);
    }

    .step-box:hover {
      background: #ffffff;
      border-color: var(--primary);
      transform: translateY(-4px);
      box-shadow: var(--card-shadow);
    }

    .step-num {
      width: 40px;
      height: 40px;
      background: var(--accent-subtle);
      color: var(--primary);
      border: 1px solid rgba(121, 40, 202, 0.2);
      font-size: 1.1rem;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
    }

    .step-box h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* 真实案例中心与媒体资源展示区 */
    .portfolio-section {
      background: var(--light-bg);
    }

    .portfolio-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
      margin-bottom: 32px;
    }

    .portfolio-card {
      background: #ffffff;
      border: 1px solid var(--surface-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: var(--transition-smooth);
    }

    .portfolio-card:hover {
      box-shadow: var(--card-shadow-hover);
      border-color: rgba(121, 40, 202, 0.3);
    }

    .portfolio-img-box {
      width: 100%;
      height: 240px;
      overflow: hidden;
      background: #f0e6f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .portfolio-card:hover .portfolio-img-box img {
      transform: scale(1.03);
    }

    .portfolio-body {
      padding: 20px;
    }

    .portfolio-body h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--dark-text);
    }

    .portfolio-body p {
      font-size: 0.9rem;
      color: var(--body-text);
    }

    /* 品牌横幅长廊 */
    .banner-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .banner-thumb {
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--surface-border);
      height: 110px;
    }

    .banner-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* 对比评测板块 - 明确展现评分与五星推荐 */
    .comparison-section {
      background: #ffffff;
    }

    .rating-banner {
      background: linear-gradient(135deg, rgba(121, 40, 202, 0.06) 0%, rgba(217, 70, 239, 0.08) 100%);
      border: 1px solid rgba(121, 40, 202, 0.2);
      border-radius: var(--radius-lg);
      padding: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      margin-bottom: 36px;
    }

    .rating-score-block {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }

    .big-score {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .score-meta {
      font-size: 1rem;
      color: var(--body-text);
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.3rem;
      margin-top: 4px;
      letter-spacing: 2px;
    }

    .rating-verdict {
      max-width: 600px;
    }

    .rating-verdict h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--dark-text);
    }

    .rating-verdict p {
      font-size: 0.95rem;
      color: var(--body-text);
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      border-radius: var(--radius-md);
      border: 1px solid var(--surface-border);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
      background: #ffffff;
    }

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--surface-border);
    }

    .compare-table th {
      background: var(--light-bg);
      font-weight: 700;
      color: var(--dark-text);
    }

    .compare-table tr:hover td {
      background: #fbf9ff;
    }

    .col-highlight {
      background: rgba(121, 40, 202, 0.03);
      font-weight: 600;
      color: var(--primary);
    }

    /* Token比价参考表 */
    .token-section {
      background: var(--light-bg);
    }

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

    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--surface-border);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition-smooth);
      position: relative;
    }

    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--card-shadow-hover);
    }

    .pricing-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 999px;
    }

    .pricing-header h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .pricing-desc {
      font-size: 0.88rem;
      color: var(--muted-text);
      margin-bottom: 20px;
    }

    .price-value {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .price-value span {
      font-size: 0.9rem;
      font-weight: 400;
      color: var(--muted-text);
    }

    .pricing-features {
      list-style: none;
      border-top: 1px solid var(--surface-border);
      padding-top: 16px;
      margin-bottom: 24px;
      font-size: 0.9rem;
      color: var(--body-text);
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    /* 加盟代理与服务网络 */
    .franchise-section {
      background: #ffffff;
    }

    .franchise-wrap {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 36px;
      align-items: center;
    }

    .franchise-info h3 {
      font-size: 1.75rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--dark-text);
    }

    .franchise-list {
      list-style: none;
      margin: 20px 0 28px 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .franchise-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.95rem;
      color: var(--body-text);
    }

    .franchise-list li strong {
      color: var(--primary);
    }

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

    .network-badge-box h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 14px;
      color: var(--primary);
    }

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

    .network-tag {
      font-size: 0.85rem;
      background: #ffffff;
      border: 1px solid var(--surface-border);
      padding: 6px 12px;
      border-radius: var(--radius-sm);
      color: var(--body-text);
    }

    /* 真实用户评价 - 6条多行业口碑卡片 */
    .testimonials-section {
      background: var(--light-bg);
    }

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

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--surface-border);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition-smooth);
    }

    .testimonial-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--card-shadow);
      border-color: rgba(121, 40, 202, 0.3);
    }

    .testimonial-content {
      font-size: 0.92rem;
      color: var(--body-text);
      line-height: 1.6;
      margin-bottom: 20px;
      position: relative;
    }

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

    .author-avatar-text {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
      color: #ffffff;
      border-radius: 50%;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

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

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

    /* FAQ 常见问题折叠面板 (不少于 10 条) */
    .faq-section {
      background: #ffffff;
    }

    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid var(--surface-border);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      background: var(--light-bg);
      transition: var(--transition-smooth);
    }

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--dark-text);
      background: transparent;
      border: none;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

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

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      background: #ffffff;
      font-size: 0.92rem;
      color: var(--body-text);
      line-height: 1.65;
    }

    .faq-item.active {
      border-color: rgba(121, 40, 202, 0.4);
      box-shadow: 0 4px 12px rgba(121, 40, 202, 0.06);
    }

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

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

    .faq-item.active .faq-answer {
      padding: 16px 24px 22px 24px;
      max-height: 250px;
    }

    /* 行业资讯与最新文章 */
    .news-section {
      background: var(--light-bg);
    }

    .news-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }

    .news-box {
      background: #ffffff;
      border: 1px solid var(--surface-border);
      border-radius: var(--radius-md);
      padding: 28px;
    }

    .news-box h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--dark-text);
      border-bottom: 2px solid var(--accent-subtle);
      padding-bottom: 10px;
    }

    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-links-list li a {
      font-size: 0.92rem;
      color: var(--body-text);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      background: var(--light-bg);
    }

    .article-links-list li a:hover {
      background: var(--accent-subtle);
      color: var(--primary);
      padding-left: 16px;
    }

    /* 智能需求匹配与表单专区 */
    .contact-form-section {
      background: #ffffff;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
    }

    .contact-details {
      background: var(--light-bg);
      border: 1px solid var(--surface-border);
      border-radius: var(--radius-md);
      padding: 32px;
    }

    .contact-details h3 {
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 14px;
      color: var(--dark-text);
    }

    .contact-details p {
      font-size: 0.95rem;
      color: var(--body-text);
      margin-bottom: 24px;
    }

    .contact-item-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      font-size: 0.95rem;
    }

    .contact-item-row strong {
      color: var(--primary);
      min-width: 70px;
    }

    .kefu-qrcode-wrap {
      margin-top: 24px;
      padding: 16px;
      background: #ffffff;
      border: 1px dashed rgba(121, 40, 202, 0.3);
      border-radius: var(--radius-md);
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
    }

    .kefu-qrcode-wrap img {
      width: 120px;
      height: 120px;
      object-fit: cover;
      border-radius: var(--radius-sm);
    }

    .kefu-qrcode-wrap span {
      font-size: 0.8rem;
      color: var(--muted-text);
    }

    /* 转化表单 */
    .form-wrap {
      background: #ffffff;
      border: 1px solid var(--surface-border);
      border-radius: var(--radius-md);
      padding: 32px;
      box-shadow: var(--card-shadow);
    }

    .form-wrap h3 {
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--dark-text);
    }

    .form-wrap p {
      font-size: 0.9rem;
      color: var(--muted-text);
      margin-bottom: 24px;
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--dark-text);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid #dcd7e6;
      border-radius: var(--radius-sm);
      background: #faf7ff;
      color: var(--dark-text);
      outline: none;
      transition: var(--transition-smooth);
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.12);
    }

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

    /* 页脚 */
    .site-footer {
      background: #191524;
      color: #ede8f5;
      padding: 56px 0 32px 0;
      border-top: 1px solid #2e2840;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
      position: relative;
    }

    .footer-col p {
      font-size: 0.88rem;
      color: #aca6be;
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links li a {
      font-size: 0.88rem;
      color: #aca6be;
    }

    .footer-links li a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    /* 友情链接专区 */
    .friendly-links-wrap {
      border-top: 1px solid #292338;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friendly-links-title {
      font-size: 0.85rem;
      font-weight: 600;
      color: #928ca5;
      margin-bottom: 12px;
    }

    .friendly-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px 18px;
    }

    .friendly-links-list a {
      font-size: 0.84rem;
      color: #b9b3cc;
      transition: var(--transition-smooth);
    }

    .friendly-links-list a:hover {
      color: #d946ef;
    }

    .footer-bottom {
      border-top: 1px solid #241e33;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.84rem;
      color: #8c869e;
    }

    .footer-bottom-links {
      display: flex;
      gap: 16px;
    }

    .footer-bottom-links a {
      color: #8c869e;
    }

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

    /* 浮动侧边栏客服工具 */
    .floating-support {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--surface-border);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      cursor: pointer;
      font-size: 1.1rem;
      transition: var(--transition-smooth);
    }

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

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .workflow-steps-wrap {
        grid-template-columns: repeat(2, 1fr);
      }
      .pricing-grid, .about-cards-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .banner-row {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
        border-bottom: 1px solid var(--surface-border);
        box-shadow: 0 8px 24px rgba(0,0,0,0.06);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        width: 100%;
        padding: 10px 0;
      }
      .nav-toggle-btn {
        display: block;
      }
      .header-actions .btn-secondary {
        display: none;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .services-grid, .portfolio-grid, .pricing-grid, .about-cards-grid, .testimonials-grid, .news-grid, .contact-grid, .franchise-wrap {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }