:root {
      --primary-color: #059669;
      --primary-bright: #10b981;
      --primary-neon: #00d26a;
      --primary-dark: #065f46;
      --primary-light: #ecfdf5;
      --primary-subtle: #f0fdf4;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #d1fae5;
      --border-light: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(16, 185, 129, 0.08);
      --shadow-md: 0 6px 20px rgba(5, 150, 105, 0.1);
      --shadow-lg: 0 12px 32px rgba(5, 150, 105, 0.15);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --transition-normal: all 0.3s 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-page);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

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

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

    .brand-tagline {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-dark);
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .main-nav {
      display: flex;
      align-items: center;
    }

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

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-dark);
      background: var(--primary-light);
    }

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

    .btn-nav-primary {
      background: linear-gradient(135deg, var(--primary-bright) 0%, var(--primary-color) 100%);
      color: #ffffff !important;
      padding: 9px 20px;
      border-radius: 99px;
      font-size: 0.9rem;
      font-weight: 600;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.28);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-nav-primary:hover {
      background: linear-gradient(135deg, var(--primary-neon) 0%, var(--primary-dark) 100%);
      box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
      transform: translateY(-1px);
    }

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

    /* 区域统一结构 */
    .page-section {
      padding: 80px 0;
      position: relative;
    }

    .section-alt {
      background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px;
    }

    .section-pill {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary-dark);
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      padding: 4px 14px;
      border-radius: 99px;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-title span {
      color: var(--primary-color);
      background: linear-gradient(120deg, var(--primary-dark), var(--primary-bright));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    /* 首屏 HERO (无图片) */
    .hero-section {
      padding: 90px 0 80px;
      background: radial-gradient(circle at 50% 10%, #d1fae5 0%, #ecfdf5 45%, #f8fafc 90%);
      position: relative;
      overflow: hidden;
    }

    .hero-wrap {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-badge-row {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 12px;
      margin-bottom: 24px;
      flex-wrap: wrap;
    }

    .hero-pill {
      background: #ffffff;
      color: var(--primary-dark);
      border: 1px solid var(--border-color);
      padding: 6px 16px;
      border-radius: 99px;
      font-size: 0.88rem;
      font-weight: 600;
      box-shadow: var(--shadow-sm);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .hero-pill-dot {
      width: 8px;
      height: 8px;
      background: var(--primary-bright);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 8px var(--primary-neon);
    }

    .hero-main-title {
      font-size: 2.75rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      letter-spacing: -0.5px;
      margin-bottom: 22px;
    }

    .hero-main-title em {
      font-style: normal;
      color: var(--primary-color);
      background: linear-gradient(135deg, #047857 0%, #10b981 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-lead-text {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-hero-primary {
      background: linear-gradient(135deg, var(--primary-neon) 0%, var(--primary-dark) 100%);
      color: #ffffff;
      padding: 16px 36px;
      border-radius: 12px;
      font-size: 1.1rem;
      font-weight: 700;
      box-shadow: 0 8px 24px rgba(16, 185, 129, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(16, 185, 129, 0.45);
      color: #ffffff;
    }

    .btn-hero-secondary {
      background: #ffffff;
      color: var(--primary-dark);
      padding: 16px 32px;
      border-radius: 12px;
      font-size: 1.05rem;
      font-weight: 600;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      background: var(--primary-light);
      border-color: var(--primary-bright);
      color: var(--primary-dark);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 20px;
      box-shadow: var(--shadow-md);
    }

    .stat-card {
      text-align: center;
      padding: 10px;
      border-right: 1px solid var(--border-color);
    }

    .stat-card:last-child {
      border-right: none;
    }

    .stat-val {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-val span {
      font-size: 1.1rem;
      color: var(--primary-bright);
    }

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

    /* 模型矩阵徽章条 */
    .model-strip {
      padding: 24px 0 32px;
      background: #ffffff;
      border-bottom: 1px solid var(--border-light);
    }

    .model-strip-label {
      text-align: center;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .model-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .model-tag {
      background: var(--primary-subtle);
      border: 1px solid var(--border-color);
      color: var(--text-main);
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 0.85rem;
      font-weight: 600;
      transition: var(--transition-normal);
    }

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

    /* 平台介绍 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .intro-content h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 20px;
      line-height: 1.35;
    }

    .intro-content p {
      font-size: 1.02rem;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    .intro-features-list {
      list-style: none;
      margin-top: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .intro-feature-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 14px 16px;
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
      box-shadow: var(--shadow-sm);
    }

    .intro-feature-item svg {
      width: 20px;
      height: 20px;
      fill: var(--primary-bright);
      flex-shrink: 0;
    }

    .intro-visual-card {
      background: linear-gradient(135deg, #ffffff 0%, #ecfdf5 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .intro-badge-row {
      display: flex;
      gap: 10px;
      margin-bottom: 20px;
    }

    .intro-card-title {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .intro-card-desc {
      font-size: 0.96rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .intro-highlight-metric {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px;
      display: flex;
      justify-content: space-around;
      text-align: center;
    }

    /* 服务与制作能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-bright);
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--primary-dark);
    }

    .service-icon-box svg {
      width: 26px;
      height: 26px;
      fill: currentColor;
    }

    .service-card-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card-desc {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

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

    .service-mini-tag {
      font-size: 0.78rem;
      color: var(--primary-dark);
      background: var(--primary-light);
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }

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

    .industry-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition-normal);
      border-top: 4px solid var(--primary-bright);
    }

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

    .industry-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .industry-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

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

    .step-num-badge {
      width: 36px;
      height: 36px;
      background: var(--primary-color);
      color: #ffffff;
      border-radius: 50%;
      font-weight: 800;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
    }

    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    /* 案例中心展示与宣传图 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 40px;
    }

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

    .case-img-wrap {
      aspect-ratio: 16 / 9;
      background: var(--primary-light);
      overflow: hidden;
    }

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

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

    .case-body {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .case-tag {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }

    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

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

    .case-metrics {
      margin-top: auto;
      background: var(--primary-subtle);
      border-radius: var(--radius-sm);
      padding: 8px 12px;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--primary-dark);
    }

    /* 宣传图画廊展示区 */
    .gallery-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .gallery-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      aspect-ratio: 16 / 10;
      background: #ffffff;
    }

    .gallery-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 对比评测板块 */
    .compare-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .rating-banner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
      padding: 24px 32px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      margin-bottom: 32px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .rating-left {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .star-badge {
      background: #ffffff;
      padding: 12px 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: center;
      border: 1px solid var(--border-color);
    }

    .star-stars {
      color: #f59e0b;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .star-text {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-top: 4px;
    }

    .score-box {
      display: flex;
      align-items: baseline;
      gap: 6px;
    }

    .score-num {
      font-size: 3rem;
      font-weight: 900;
      color: var(--primary-dark);
      line-height: 1;
    }

    .score-total {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-light);
    }

    .rating-intro {
      font-size: 0.95rem;
      color: var(--text-muted);
      max-width: 480px;
    }

    .compare-table-wrap {
      overflow-x: auto;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
      min-width: 680px;
    }

    .compare-table th {
      background: #f8fafc;
      padding: 16px 20px;
      color: var(--text-main);
      font-weight: 700;
      border-bottom: 2px solid var(--border-color);
    }

    .compare-table th.col-highlight {
      background: var(--primary-light);
      color: var(--primary-dark);
      border-bottom: 2px solid var(--primary-bright);
    }

    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
      color: var(--text-muted);
    }

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

    .compare-table td.col-highlight {
      background: rgba(236, 253, 245, 0.4);
      font-weight: 600;
      color: var(--primary-dark);
    }

    /* Token比价参考表格 */
    .token-table-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      overflow-x: auto;
    }

    .token-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.94rem;
      min-width: 640px;
    }

    .token-table th {
      background: var(--primary-light);
      color: var(--primary-dark);
      padding: 14px 18px;
      text-align: left;
      font-weight: 700;
    }

    .token-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-light);
      color: var(--text-main);
    }

    .token-tag-save {
      background: #dcfce7;
      color: #15803d;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.8rem;
    }

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

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

    .review-quote {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      position: relative;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 16px;
    }

    .review-avatar-char {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      color: var(--primary-dark);
      border: 1px solid var(--border-color);
      border-radius: 50%;
      font-weight: 800;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .user-name {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-role {
      font-size: 0.82rem;
      color: var(--text-light);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.02rem;
      color: var(--text-main);
      user-select: none;
    }

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

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #ffffff;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 0 24px 20px;
    }

    /* AI百科与知识条 */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

    .wiki-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .wiki-card h4::before {
      content: "";
      width: 4px;
      height: 16px;
      background: var(--primary-bright);
      border-radius: 2px;
      display: inline-block;
    }

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

    /* 行业资讯与最新文章 */
    .articles-block {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-wrap {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 16px;
      margin-top: 20px;
    }

    .article-card-item {
      background: var(--primary-subtle);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.92rem;
    }

    .article-card-item:hover {
      background: var(--primary-light);
      border-color: var(--primary-bright);
      color: var(--primary-dark);
      transform: translateX(4px);
    }

    /* 需求表单与联系我们 */
    .contact-form-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
    }

    .form-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-row {
      margin-bottom: 20px;
    }

    .form-row label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    .form-control:focus {
      border-color: var(--primary-bright);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    }

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

    .btn-submit {
      width: 100%;
      background: linear-gradient(135deg, var(--primary-bright) 0%, var(--primary-color) 100%);
      color: #ffffff;
      border: none;
      padding: 14px 28px;
      border-radius: var(--radius-sm);
      font-size: 1.05rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
      transition: var(--transition-normal);
    }

    .btn-submit:hover {
      background: linear-gradient(135deg, var(--primary-neon) 0%, var(--primary-dark) 100%);
      box-shadow: 0 6px 18px rgba(16, 185, 129, 0.4);
    }

    .contact-info-box {
      background: linear-gradient(135deg, #ffffff 0%, #ecfdf5 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-title {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 20px;
    }

    .contact-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .contact-list li {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .contact-list li strong {
      color: var(--text-main);
    }

    .contact-qrcode-wrap {
      text-align: center;
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .contact-qrcode-wrap img {
      max-width: 150px;
      margin: 0 auto 10px;
      border-radius: var(--radius-sm);
    }

    .contact-qrcode-text {
      font-size: 0.85rem;
      color: var(--primary-dark);
      font-weight: 600;
    }

    /* 加盟代理板块 */
    .agent-banner {
      background: linear-gradient(135deg, #065f46 0%, #059669 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
      box-shadow: var(--shadow-lg);
    }

    .agent-content h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: #ffffff;
    }

    .agent-content p {
      font-size: 1.05rem;
      color: #d1fae5;
      max-width: 640px;
      line-height: 1.7;
    }

    .agent-cta {
      display: flex;
      gap: 16px;
    }

    .btn-agent-white {
      background: #ffffff;
      color: var(--primary-dark);
      padding: 14px 32px;
      border-radius: 99px;
      font-weight: 700;
      font-size: 1rem;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .btn-agent-white:hover {
      background: #f0fdf4;
      transform: translateY(-2px);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 32px;
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .footer-links-group {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border-light);
    }

    .footer-label {
      font-weight: 700;
      color: var(--text-main);
      font-size: 0.92rem;
    }

    .footer-links-group a {
      color: var(--text-muted);
      padding: 4px 10px;
      border-radius: 4px;
      background: #f8fafc;
      border: 1px solid var(--border-light);
      font-size: 0.85rem;
    }

    .footer-links-group a:hover {
      color: var(--primary-dark);
      background: var(--primary-light);
      border-color: var(--border-color);
    }

    .footer-bottom-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      color: var(--text-light);
      font-size: 0.86rem;
    }

    /* 悬浮客服面板与返回顶部 */
    .float-dock {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .dock-btn {
      width: 48px;
      height: 48px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-dark);
      cursor: pointer;
      position: relative;
      transition: var(--transition-normal);
    }

    .dock-btn:hover {
      background: var(--primary-light);
      border-color: var(--primary-bright);
      transform: scale(1.05);
    }

    .dock-btn svg {
      width: 22px;
      height: 22px;
      fill: currentColor;
    }

    .dock-qr-popup {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      width: 150px;
      display: none;
      text-align: center;
    }

    .dock-btn:hover .dock-qr-popup {
      display: block;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .services-grid,
      .cases-grid,
      .reviews-grid,
      .wiki-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .industry-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stat-card {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
      }
      .stat-card:nth-child(3),
      .stat-card:nth-child(4) {
        border-bottom: none;
      }
      .gallery-strip {
        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;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-toggle-btn {
        display: block;
      }
      .hero-main-title {
        font-size: 2rem;
      }
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .intro-grid,
      .contact-form-grid {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .cases-grid,
      .reviews-grid,
      .industry-grid,
      .flow-steps-grid,
      .wiki-grid {
        grid-template-columns: 1fr;
      }
      .agent-banner {
        padding: 30px 20px;
      }
      .rating-banner {
        flex-direction: column;
        align-items: flex-start;
      }
      .compare-container {
        padding: 20px 14px;
      }
    }