:root {
      --bg-main: #f8fafc;
      --bg-surface: #ffffff;
      --bg-subtle: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --neon-cyan: #06b6d4;
      --neon-purple: #8b5cf6;
      --neon-pink: #ec4899;
      --neon-blue: #3b82f6;
      --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
      --card-border: rgba(148, 163, 184, 0.25);
      --card-glow: 0 10px 25px -5px rgba(59, 130, 246, 0.08), 0 8px 10px -6px rgba(139, 92, 246, 0.05);
      --card-glow-hover: 0 20px 35px -5px rgba(6, 182, 212, 0.15), 0 10px 15px -5px rgba(139, 92, 246, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(at 0% 0%, rgba(6, 182, 212, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 10%, rgba(139, 92, 246, 0.06) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(236, 72, 153, 0.03) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.05) 0px, transparent 50%);
      background-attachment: fixed;
    }

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

    .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, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.03);
    }

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

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

    .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-title-wrap {
      display: flex;
      flex-direction: column;
    }

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

    .brand-badge {
      font-size: 0.68rem;
      padding: 2px 6px;
      border-radius: 4px;
      background: rgba(6, 182, 212, 0.12);
      color: #0891b2;
      font-weight: 600;
      border: 1px solid rgba(6, 182, 212, 0.3);
    }

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

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 13px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      display: block;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: #2563eb;
      background: rgba(59, 130, 246, 0.08);
    }

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

    .btn-neon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      border-radius: 999px;
      font-size: 0.92rem;
      font-weight: 600;
      background: var(--accent-gradient);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }

    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(139, 92, 246, 0.45);
      color: #ffffff;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 18px;
      border-radius: 999px;
      font-size: 0.92rem;
      font-weight: 600;
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid rgba(148, 163, 184, 0.4);
      transition: var(--transition);
    }

    .btn-outline:hover {
      border-color: var(--neon-cyan);
      color: #0891b2;
      background: rgba(6, 182, 212, 0.04);
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      padding: 6px 10px;
      cursor: pointer;
    }

    /* Section 通用布局 */
    .section {
      padding: 80px 0;
      position: relative;
    }

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

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: #0284c7;
      background: rgba(6, 182, 212, 0.12);
      border: 1px solid rgba(6, 182, 212, 0.3);
      border-radius: 999px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

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

    /* 首屏 Hero */
    .hero-section {
      padding: 70px 0 60px 0;
      position: relative;
    }

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

    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(6, 182, 212, 0.4);
      box-shadow: 0 4px 12px rgba(6, 182, 212, 0.12);
      font-size: 0.88rem;
      font-weight: 600;
      color: #0369a1;
      margin-bottom: 24px;
    }

    .hero-pill-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #06b6d4;
      box-shadow: 0 0 10px #06b6d4;
    }

    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      max-width: 900px;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 800px;
      margin-bottom: 36px;
      line-height: 1.8;
    }

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

    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 1.1rem;
      font-weight: 700;
      border-radius: 999px;
      background: var(--accent-gradient);
      color: #ffffff;
      box-shadow: 0 8px 24px rgba(6, 182, 212, 0.4);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(139, 92, 246, 0.5);
      color: #ffffff;
    }

    .btn-hero-secondary {
      padding: 14px 28px;
      font-size: 1.05rem;
      font-weight: 600;
      border-radius: 999px;
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid rgba(148, 163, 184, 0.5);
      transition: var(--transition);
    }

    .btn-hero-secondary:hover {
      border-color: #3b82f6;
      color: #2563eb;
      background: rgba(59, 130, 246, 0.05);
    }

    /* 首屏数据卡片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      width: 100%;
      margin-top: 10px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--card-glow);
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--accent-gradient);
      opacity: 0.8;
    }

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-glow-hover);
      border-color: rgba(6, 182, 212, 0.4);
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: #0f172a;
      margin-bottom: 4px;
      letter-spacing: -0.5px;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台介绍 */
    .platform-intro-box {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--card-glow);
      margin-bottom: 30px;
    }

    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .intro-title {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      position: relative;
      padding-left: 14px;
    }

    .intro-title::before {
      content: "";
      position: absolute;
      left: 0;
      top: 4px;
      bottom: 4px;
      width: 4px;
      border-radius: 2px;
      background: var(--accent-gradient);
    }

    .intro-text {
      color: var(--text-muted);
      font-size: 0.98rem;
      margin-bottom: 16px;
      line-height: 1.8;
    }

    .intro-feature-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      list-style: none;
      margin-top: 20px;
    }

    .intro-feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: #1e293b;
      padding: 8px 12px;
      background: var(--bg-subtle);
      border-radius: var(--radius-sm);
    }

    .intro-feature-item svg {
      color: #0891b2;
      flex-shrink: 0;
    }

    /* 服务能力卡片 (AIGC 服务) */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--card-glow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-glow-hover);
      border-color: rgba(6, 182, 212, 0.45);
    }

    .service-icon-wrap {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(6, 182, 212, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0891b2;
      margin-bottom: 20px;
      font-size: 1.4rem;
      border: 1px solid rgba(6, 182, 212, 0.25);
    }

    .service-title {
      font-size: 1.22rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      flex-grow: 1;
    }

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

    .service-tag {
      font-size: 0.75rem;
      padding: 3px 8px;
      background: #f1f5f9;
      color: #334155;
      border-radius: 4px;
      font-weight: 500;
    }

    /* 一站式创作工坊矩阵 (20+ 场景矩阵卡片) */
    .suites-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .suite-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--card-glow);
      transition: var(--transition);
    }

    .suite-card:hover {
      transform: translateY(-4px);
      border-color: rgba(139, 92, 246, 0.4);
      box-shadow: var(--card-glow-hover);
    }

    .suite-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 10px;
    }

    .suite-name {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .suite-badge {
      font-size: 0.72rem;
      padding: 2px 7px;
      border-radius: 4px;
      background: rgba(139, 92, 246, 0.1);
      color: #7c3aed;
      font-weight: 600;
    }

    .suite-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 行业方案 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .industry-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--card-glow);
      transition: var(--transition);
      text-align: left;
    }

    .industry-card:hover {
      transform: translateY(-4px);
      border-color: rgba(59, 130, 246, 0.4);
      box-shadow: var(--card-glow-hover);
    }

    .industry-icon {
      font-size: 1.5rem;
      margin-bottom: 12px;
      display: inline-block;
      padding: 10px;
      border-radius: 10px;
      background: rgba(59, 130, 246, 0.1);
      color: #2563eb;
    }

    .industry-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    /* 标准流程时间线 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .process-step {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      box-shadow: var(--card-glow);
      position: relative;
      transition: var(--transition);
    }

    .process-step:hover {
      transform: translateY(-4px);
      border-color: #06b6d4;
    }

    .step-num {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--accent-gradient);
      color: #ffffff;
      font-size: 1rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px auto;
      box-shadow: 0 4px 10px rgba(6, 182, 212, 0.3);
    }

    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例中心 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 24px;
    }

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

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-glow-hover);
      border-color: rgba(6, 182, 212, 0.4);
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #e2e8f0;
      overflow: hidden;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: var(--transition);
    }

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

    .case-content {
      padding: 20px;
    }

    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 12px;
    }

    .case-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: var(--text-light);
      border-top: 1px solid #f1f5f9;
      padding-top: 10px;
    }

    /* 对比评测卡片与表格 */
    .review-score-banner {
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
      border: 1px solid rgba(6, 182, 212, 0.3);
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .review-score-info {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      background: var(--accent-gradient);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 18px rgba(6, 182, 212, 0.4);
    }

    .score-val {
      font-size: 1.8rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 0.75rem;
      opacity: 0.9;
    }

    .score-text-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.1rem;
      letter-spacing: 2px;
    }

    .review-highlights {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .highlight-pill {
      background: #ffffff;
      border: 1px solid rgba(148, 163, 184, 0.3);
      padding: 8px 16px;
      border-radius: 999px;
      font-size: 0.88rem;
      font-weight: 600;
      color: #1e293b;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
    }

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

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

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
    }

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

    .comparison-table tr:last-child td {
      border-bottom: none;
    }

    .comparison-table td.col-brand {
      background: rgba(6, 182, 212, 0.04);
      font-weight: 700;
      color: #0891b2;
    }

    /* Token比价与模型矩阵 */
    .token-models-cloud {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--card-glow);
      margin-bottom: 30px;
    }

    .models-chip-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .model-chip {
      background: var(--bg-subtle);
      border: 1px solid rgba(148, 163, 184, 0.3);
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 0.86rem;
      font-weight: 600;
      color: #334155;
      transition: var(--transition);
    }

    .model-chip:hover {
      background: rgba(6, 182, 212, 0.12);
      border-color: #06b6d4;
      color: #0891b2;
      transform: translateY(-2px);
    }

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

    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--card-glow);
      position: relative;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }

    .pricing-card.featured {
      border: 2px solid #06b6d4;
      box-shadow: 0 16px 32px rgba(6, 182, 212, 0.15);
    }

    .pricing-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-glow-hover);
    }

    .pricing-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--accent-gradient);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 999px;
    }

    .pricing-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .pricing-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .pricing-price span {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-light);
    }

    .pricing-features {
      list-style: none;
      margin-bottom: 24px;
      flex-grow: 1;
    }

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

    /* 用户评论 (6条) */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .testimonial-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-glow-hover);
      border-color: rgba(139, 92, 246, 0.35);
    }

    .testimonial-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 0.95rem;
    }

    .testimonial-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
      font-style: normal;
    }

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

    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #06b6d4, #8b5cf6);
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.05rem;
    }

    .user-info-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* FAQ 折叠手风琴 */
    .faq-grid {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: rgba(6, 182, 212, 0.4);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: #0891b2;
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fafbfc;
      border-top: 1px solid transparent;
    }

    .faq-item.active .faq-answer {
      border-top-color: #f1f5f9;
      max-height: 300px;
    }

    .faq-answer-inner {
      padding: 18px 24px;
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 需求匹配与表单 */
    .form-section-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--card-glow);
    }

    .form-grid-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: flex-start;
    }

    .form-left-info h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .form-left-info p {
      font-size: 0.98rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .contact-item-box {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
      padding: 12px 16px;
      background: var(--bg-subtle);
      border-radius: var(--radius-md);
      font-size: 0.92rem;
      color: #1e293b;
    }

    .contact-qr-wrap {
      margin-top: 24px;
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .contact-qr-wrap img {
      width: 110px;
      height: 110px;
      border-radius: 8px;
      border: 1px solid #cbd5e1;
      padding: 4px;
      background: #ffffff;
    }

    .form-wrapper form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

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

    .form-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: #1e293b;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.94rem;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      background: #ffffff;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: #06b6d4;
      box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
    }

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

    /* 行业资讯与最新文章 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

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

    .news-card:hover {
      transform: translateY(-4px);
      border-color: rgba(6, 182, 212, 0.4);
      box-shadow: var(--card-glow-hover);
    }

    .news-tag {
      font-size: 0.75rem;
      color: #0891b2;
      background: rgba(6, 182, 212, 0.1);
      padding: 3px 8px;
      border-radius: 4px;
      align-self: flex-start;
      margin-bottom: 10px;
      font-weight: 600;
    }

    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.5;
    }

    .news-snippet {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .news-link {
      font-size: 0.88rem;
      font-weight: 600;
      color: #2563eb;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .article-links-box {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      box-shadow: var(--card-glow);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
    }

    .article-links-label {
      font-weight: 700;
      font-size: 0.92rem;
      color: #1e293b;
    }

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

    .article-links-list a {
      font-size: 0.86rem;
      color: #0284c7;
      background: rgba(6, 182, 212, 0.08);
      padding: 4px 10px;
      border-radius: 4px;
      transition: var(--transition);
    }

    .article-links-list a:hover {
      background: rgba(6, 182, 212, 0.2);
    }

    /* 加盟代理板块 */
    .agent-cta-box {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 30px;
    }

    .agent-cta-text h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: #ffffff;
    }

    .agent-cta-text p {
      font-size: 1rem;
      color: #cbd5e1;
      max-width: 650px;
      line-height: 1.7;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid #e2e8f0;
      padding: 60px 0 30px 0;
      margin-top: 60px;
      color: var(--text-muted);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col ul li a {
      font-size: 0.9rem;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .footer-col ul li a:hover {
      color: #0891b2;
    }

    .friend-links-box {
      border-top: 1px solid #f1f5f9;
      padding-top: 24px;
      margin-bottom: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px;
    }

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

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

    .friend-links-list a {
      font-size: 0.88rem;
      color: var(--text-light);
      transition: var(--transition);
    }

    .friend-links-list a:hover {
      color: #0284c7;
    }

    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* 浮动客服挂件 */
    .float-service-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid #e2e8f0;
      color: #0891b2;
    }

    .float-btn:hover {
      transform: scale(1.08);
      background: var(--accent-gradient);
      color: #ffffff;
      border-color: transparent;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid,
      .suites-grid,
      .case-gallery-grid,
      .pricing-grid,
      .testimonial-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .industry-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        border-bottom: 1px solid #e2e8f0;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li a {
        width: 100%;
        padding: 10px 14px;
      }
      .hero-title {
        font-size: 2rem;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .intro-grid,
      .form-grid-layout {
        grid-template-columns: 1fr;
      }
      .service-grid,
      .suites-grid,
      .industry-grid,
      .case-gallery-grid,
      .pricing-grid,
      .testimonial-grid,
      .news-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
      }
      .review-score-info {
        flex-direction: column;
      }
    }