:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --accent-orange: #f97316;
      --accent-coral: #ea580c;
      --accent-cyan: #06b6d4;
      --accent-emerald: #10b981;
      --accent-purple: #7c3aed;
      --bg-main: #f8fafc;
      --bg-white: #ffffff;
      --bg-card: #ffffff;
      --bg-soft-blue: #eff6ff;
      --bg-soft-orange: #fff7ed;
      --text-dark: #0f172a;
      --text-body: #334155;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.12);
      --shadow-accent: 0 8px 20px -4px rgba(37, 99, 235, 0.25);
      --shadow-orange: 0 8px 20px -4px rgba(249, 115, 22, 0.28);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-main);
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-body);
      background-color: var(--bg-main);
      line-height: 1.6;
      overflow-x: hidden;
      min-width: 320px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      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, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid #e2e8f0;
      box-shadow: 0 2px 10px rgba(0,0,0,0.04);
    }

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

    .brand-group {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .brand-logo-wrap {
      max-width: 160px;
      display: flex;
      align-items: center;
    }

    .brand-badge {
      background: #eff6ff;
      color: var(--primary);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 99px;
      border: 1px solid #bfdbfe;
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-body);
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background-color: var(--bg-soft-blue);
    }

    .nav-cta-group {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--accent-orange);
      color: #ffffff !important;
      font-weight: 700;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-orange);
      transition: transform 0.15s ease, background 0.2s ease;
    }

    .btn-nav-primary:hover {
      background: var(--accent-coral);
      transform: translateY(-1px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 8px;
      cursor: pointer;
      color: var(--text-dark);
    }

    /* 撞色装饰标语与栏目标题 */
    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 4px 14px;
      border-radius: 99px;
      margin-bottom: 12px;
      background: #fef3c7;
      color: #d97706;
      border: 1px solid #fde68a;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 1.02rem;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
    }

    /* 首屏 HERO - 严禁出现图片，采用科技渐变与高撞色色块 */
    .hero-section {
      background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 50%, #fff7ed 100%);
      border-bottom: 3px solid #e2e8f0;
      padding: 64px 0 76px 0;
      position: relative;
      overflow: hidden;
    }

    .hero-glow-1 {
      position: absolute;
      top: -100px;
      right: -80px;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, rgba(255,255,255,0) 70%);
      pointer-events: none;
    }

    .hero-glow-2 {
      position: absolute;
      bottom: -120px;
      left: -80px;
      width: 380px;
      height: 380px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(249,115,22,0.12) 0%, rgba(255,255,255,0) 70%);
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      gap: 48px;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .hero-badge-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #eff6ff;
      border: 1px solid #bfdbfe;
      color: var(--primary-dark);
      padding: 6px 14px;
      border-radius: 99px;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .hero-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-emerald);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
      animation: pulse-dot 2s infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.2); opacity: 0.7; }
    }

    .hero-title {
      font-size: 2.6rem;
      font-weight: 900;
      color: var(--text-dark);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight-blue {
      color: var(--primary);
      position: relative;
    }

    .hero-title .highlight-orange {
      color: var(--accent-orange);
    }

    .hero-subtitle {
      font-size: 1.1rem;
      color: var(--text-body);
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }

    .btn-hero-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
      color: #ffffff !important;
      font-size: 1.05rem;
      font-weight: 800;
      padding: 14px 32px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-orange);
      transition: all 0.2s ease;
      border: 1px solid #c2410c;
    }

    .btn-hero-portal:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 26px -6px rgba(234, 88, 12, 0.45);
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: #ffffff;
      color: var(--primary-dark) !important;
      font-size: 1.05rem;
      font-weight: 700;
      padding: 14px 28px;
      border-radius: var(--radius-md);
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }

    .btn-hero-secondary:hover {
      background: var(--bg-soft-blue);
      transform: translateY(-2px);
    }

    .hero-feature-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .pill-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.82rem;
      font-weight: 700;
      padding: 6px 12px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 99px;
      color: var(--text-body);
      box-shadow: var(--shadow-sm);
    }

    .pill-item-icon {
      color: var(--accent-orange);
      font-weight: 900;
    }

    /* 首屏右侧纯CSS几何与数据看板模块 - 无图片 */
    .hero-board {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 2px solid #cbd5e1;
      padding: 24px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

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

    .board-status {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--accent-emerald);
    }

    .board-tag {
      background: #f1f5f9;
      color: var(--text-muted);
      font-size: 0.78rem;
      padding: 3px 8px;
      border-radius: 4px;
    }

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

    .stat-card-box {
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      background: var(--bg-main);
      transition: transform 0.2s ease;
    }

    .stat-card-box:hover {
      transform: translateY(-2px);
    }

    .stat-card-box.blue {
      border-left: 4px solid var(--primary);
      background: #f0f7ff;
    }

    .stat-card-box.orange {
      border-left: 4px solid var(--accent-orange);
      background: #fff7ed;
    }

    .stat-num {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--text-dark);
      line-height: 1;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    .board-pipeline-preview {
      background: #f8fafc;
      border-radius: var(--radius-md);
      padding: 16px;
      border: 1px dashed #cbd5e1;
    }

    .pipeline-step-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: relative;
    }

    .pipe-node {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--text-body);
      gap: 4px;
    }

    .node-icon-circle {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--primary);
      color: #fff;
      font-size: 0.78rem;
      font-weight: 800;
    }

    .node-icon-circle.alt {
      background: var(--accent-orange);
    }

    .node-icon-circle.green {
      background: var(--accent-emerald);
    }

    /* 主体通用区域排版 */
    section {
      padding: 72px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .section-alt {
      background-color: #f1f5f9;
    }

    /* 模型矩阵胶囊展示 */
    .model-pills-wrap {
      background: #ffffff;
      padding: 24px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      margin-top: 32px;
    }

    .model-pills-title {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .model-tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .model-badge {
      background: #f8fafc;
      border: 1px solid #cbd5e1;
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--text-dark);
      transition: all 0.2s;
    }

    .model-badge:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    /* 服务场景网格 */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 20px;
    }

    .scenario-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 22px;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .scenario-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--border-color);
      transition: background 0.25s ease;
    }

    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }

    .scenario-card:hover::before {
      background: linear-gradient(90deg, var(--primary), var(--accent-orange));
    }

    .sc-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .sc-icon-box {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: #eff6ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .sc-icon-box.orange {
      background: #fff7ed;
      color: var(--accent-orange);
    }

    .sc-title {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-dark);
    }

    .sc-desc {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .sc-tag-line {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary-dark);
      background: #f1f5f9;
      padding: 4px 10px;
      border-radius: 4px;
      width: fit-content;
    }

    /* 一站式自动化工作流步骤 */
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-step-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 24px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number-tag {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--accent-orange);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.1rem;
      margin-bottom: 16px;
      box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3);
    }

    .flow-step-card h3 {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 10px;
    }

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

    /* 行业方案展示 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .industry-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }

    .industry-box:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .ind-badge {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      background: #dbeafe;
      color: var(--primary-dark);
      margin-bottom: 12px;
    }

    .ind-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .ind-list {
      list-style: none;
      margin-bottom: 16px;
    }

    .ind-list li {
      font-size: 0.88rem;
      color: var(--text-body);
      margin-bottom: 8px;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    .ind-list li::before {
      content: "✓";
      color: var(--accent-emerald);
      font-weight: 900;
    }

    /* 案例中心：素材图展示 (严格控制比例，无拉伸) */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
      margin-bottom: 32px;
    }

    .case-media-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-img-container {
      width: 100%;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .case-img-container img {
      width: 100%;
      height: auto;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .case-media-box:hover .case-img-container img {
      transform: scale(1.02);
    }

    .case-info {
      padding: 20px;
    }

    .case-info h3 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .promo-banner-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
    }

    .promo-item {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .promo-item img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 对比评测卡片与表格 */
    .review-score-hero {
      background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 32px;
      box-shadow: var(--shadow-lg);
      border: 2px solid #334155;
    }

    .score-left-info h3 {
      font-size: 1.6rem;
      font-weight: 900;
      margin-bottom: 8px;
      color: #ffffff;
    }

    .score-left-info p {
      color: #cbd5e1;
      font-size: 0.95rem;
      max-width: 600px;
    }

    .score-badge-highlight {
      display: flex;
      align-items: center;
      gap: 20px;
      background: rgba(255, 255, 255, 0.08);
      padding: 16px 28px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .score-numeric {
      font-size: 3.2rem;
      font-weight: 900;
      color: #fbbf24;
      line-height: 1;
    }

    .score-meta-text {
      font-size: 0.9rem;
      line-height: 1.4;
      color: #f8fafc;
    }

    .stars-render {
      color: #fbbf24;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 640px;
    }

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

    .compare-table th {
      background: #f8fafc;
      color: var(--text-dark);
      font-weight: 800;
    }

    .compare-table th.col-lead, .compare-table td.col-lead {
      background: #eff6ff;
      color: var(--primary-dark);
      font-weight: 800;
    }

    .badge-win {
      background: #dcfce7;
      color: #15803d;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 需求匹配器 */
    .matcher-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

    .match-role {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .match-tag {
      font-size: 0.75rem;
      background: #fed7aa;
      color: #c2410c;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* Token 比价板块 */
    .pricing-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 32px;
    }

    .pricing-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 2px solid var(--border-color);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .pricing-card.featured {
      border-color: var(--primary);
      box-shadow: var(--shadow-accent);
      transform: scale(1.03);
    }

    .popular-tag {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-orange);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: 99px;
    }

    .plan-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 8px;
    }

    .plan-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--text-dark);
      margin-bottom: 16px;
    }

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

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

    .plan-features li {
      font-size: 0.88rem;
      color: var(--text-body);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .btn-plan {
      display: block;
      text-align: center;
      padding: 12px;
      border-radius: var(--radius-md);
      font-weight: 800;
      font-size: 0.95rem;
      background: #f1f5f9;
      color: var(--text-dark);
      border: 1px solid var(--border-color);
      transition: all 0.2s ease;
    }

    .btn-plan.active {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }

    .btn-plan:hover {
      background: var(--primary-dark);
      color: #ffffff;
    }

    /* 客户评论卡片 (6条真实用户) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-text {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 16px;
      position: relative;
    }

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

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #e0f2fe;
      color: var(--primary);
      font-weight: 800;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .author-avatar.alt {
      background: #ffedd5;
      color: var(--accent-orange);
    }

    .author-info h4 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-dark);
    }

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

    /* FAQ 交互手风琴 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      background: none;
      border: none;
      text-align: left;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.2s ease;
    }

    .faq-question:hover {
      background: var(--bg-soft-blue);
    }

    .faq-toggle-icon {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.2s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fafafa;
      color: var(--text-body);
      font-size: 0.92rem;
      line-height: 1.7;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 24px 20px 24px;
      border-top: 1px solid var(--border-color);
    }

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

    /* 行业资讯与最新文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 16px;
      margin-top: 24px;
    }

    .article-card-link {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      display: block;
      transition: all 0.2s ease;
    }

    .article-card-link:hover {
      border-color: var(--primary);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    .article-tag {
      font-size: 0.72rem;
      background: #eff6ff;
      color: var(--primary);
      padding: 2px 6px;
      border-radius: 4px;
      font-weight: 700;
      margin-bottom: 8px;
      display: inline-block;
    }

    .article-title {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.5;
    }

    /* 需求提交表单与联系我们 */
    .contact-container-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: start;
    }

    .form-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }

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

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.92rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: #f8fafc;
      color: var(--text-dark);
      outline: none;
      transition: border-color 0.2s ease, background 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
    }

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

    .btn-submit-form {
      width: 100%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #ffffff;
      font-size: 1rem;
      font-weight: 800;
      padding: 14px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: var(--shadow-accent);
      transition: all 0.2s ease;
    }

    .btn-submit-form:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }

    .contact-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .info-item-row {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 20px;
    }

    .info-icon-badge {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: #eff6ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
    }

    .info-content-box h4 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 4px;
    }

    .info-content-box p {
      font-size: 0.88rem;
      color: var(--text-body);
    }

    .qr-card-box {
      margin-top: 24px;
      padding: 20px;
      background: #f8fafc;
      border: 1px dashed #cbd5e1;
      border-radius: var(--radius-md);
      text-align: center;
    }

    .qr-img-wrapper {
      max-width: 160px;
      margin: 0 auto 12px auto;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      background: #ffffff;
      padding: 6px;
    }

    /* 加盟代理板块 */
    .agent-banner {
      background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
      border: 2px solid #fed7aa;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 32px;
      align-items: center;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 20px;
    }

    .perk-box {
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-md);
      border: 1px solid #fed7aa;
      font-size: 0.88rem;
      font-weight: 700;
      color: #9a3412;
    }

    /* 页脚与友情链接 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 56px 0 28px 0;
      border-top: 3px solid var(--primary);
    }

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

    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 900;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.7;
      color: #94a3b8;
      margin-bottom: 16px;
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .footer-links-list {
      list-style: none;
    }

    .footer-links-list li {
      margin-bottom: 10px;
    }

    .footer-links-list a {
      color: #94a3b8;
      font-size: 0.88rem;
      transition: color 0.2s;
    }

    .footer-links-list a:hover {
      color: #38bdf8;
    }

    .friend-links-area {
      border-top: 1px solid #334155;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: #cbd5e1;
      margin-bottom: 12px;
    }

    .friend-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links-flex a {
      color: #94a3b8;
      font-size: 0.85rem;
      transition: color 0.2s;
    }

    .friend-links-flex a:hover {
      color: #fbbf24;
    }

    .footer-bottom-bar {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: #64748b;
    }

    /* 悬浮工具条 */
    .floating-support {
      position: fixed;
      right: 24px;
      bottom: 32px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--text-dark);
      font-weight: 800;
      transition: all 0.2s ease;
    }

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

    .float-btn.accent {
      background: var(--accent-orange);
      color: #ffffff;
      border-color: var(--accent-orange);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .workflow-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .industry-grid {
        grid-template-columns: 1fr;
      }
      .pricing-cards-grid {
        grid-template-columns: 1fr;
      }
      .pricing-card.featured {
        transform: none;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .contact-container-grid {
        grid-template-columns: 1fr;
      }
      .agent-banner {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .review-score-hero {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px;
        border-bottom: 2px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 2rem;
      }
      .case-gallery-grid {
        grid-template-columns: 1fr;
      }
      .promo-banner-strip {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }