/* 全局变量：宝蓝明艳风 (Royal Blue Bright) */
    :root {
      --primary: #1E40AF;
      --primary-light: #2563EB;
      --primary-bright: #3B82F6;
      --primary-soft: #EFF6FF;
      --accent: #0284C7;
      --accent-warm: #F59E0B;
      --bg-page: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-subtle: #F1F5F9;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
      --border-active: #93C5FD;
      --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 4px 12px rgba(30, 64, 175, 0.08);
      --shadow-lg: 0 12px 30px rgba(30, 64, 175, 0.12);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* 基础重置 */
    * {
      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-body);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    /* 统一样式容器规范 */
    .container {
      width: 100%;
      max-width: 1200px;
      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(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
    }

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

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

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

    .brand-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    /* 按要求：.nav-links gap 必须设为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links li {
      display: inline-block;
    }

    .nav-links a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      border-radius: var(--radius-sm);
    }

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

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

    .btn-header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 18px;
      font-size: 14px;
      font-weight: 600;
      color: #FFFFFF;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      border-radius: var(--radius-md);
      box-shadow: 0 3px 8px rgba(37, 99, 235, 0.28);
    }

    .btn-header-cta:hover {
      background: linear-gradient(135deg, var(--primary-light), var(--primary-bright));
      transform: translateY(-1px);
    }

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

    .mobile-menu-btn span {
      display: block;
      width: 20px;
      height: 2px;
      background-color: var(--text-main);
      margin: 4px 0;
      transition: var(--transition);
    }

    /* 标头通用排版 */
    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background-color: var(--primary-soft);
      border: 1px solid var(--border-active);
      border-radius: 999px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* 首屏 HERO 区域：严禁出现任何图片 */
    .hero-section {
      position: relative;
      background: radial-gradient(circle at 50% 0%, #DBEAFE 0%, #EFF6FF 45%, #F8FAFC 90%);
      padding: 80px 0 70px;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-glow-1 {
      position: absolute;
      top: -120px;
      left: 10%;
      width: 480px;
      height: 480px;
      background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
      pointer-events: none;
    }

    .hero-glow-2 {
      position: absolute;
      top: 20px;
      right: 5%;
      width: 420px;
      height: 420px;
      background: radial-gradient(circle, rgba(2, 132, 199, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #FFFFFF;
      border: 1px solid #BFDBFE;
      box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }

    /* H1 控制在20字内 */
    .hero-title {
      font-size: 44px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .hero-title span {
      color: var(--primary-light);
      position: relative;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-body);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    /* 首屏醒目访问官网按钮 */
    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 48px;
    }

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 16px 36px;
      font-size: 17px;
      font-weight: 700;
      color: #FFFFFF;
      background: linear-gradient(135deg, #1D4ED8 0%, #2563EB 50%, #0284C7 100%);
      border-radius: var(--radius-md);
      box-shadow: 0 8px 24px rgba(29, 78, 216, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(29, 78, 216, 0.45);
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 15px 28px;
      font-size: 16px;
      font-weight: 600;
      color: var(--primary);
      background: #FFFFFF;
      border: 1px solid #BFDBFE;
      border-radius: var(--radius-md);
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
    }

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

    /* 纯CSS首屏科技感数据看板与多模型矩阵（绝无图片） */
    .hero-dashboard-preview {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-lg);
      padding: 24px;
      text-align: left;
    }

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

    .dashboard-dots {
      display: flex;
      gap: 6px;
    }

    .dashboard-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .dot-red { background-color: #EF4444; }
    .dot-yellow { background-color: #F59E0B; }
    .dot-green { background-color: #10B981; }

    .dashboard-status {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-light);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 24px;
    }

    .stat-metric-card {
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      padding: 16px;
      border-radius: var(--radius-md);
      text-align: center;
    }

    .stat-metric-card .stat-num {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .stat-metric-card .stat-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 支持模型标签云 */
    .model-tags-container {
      background: var(--primary-soft);
      border: 1px dashed var(--border-active);
      border-radius: var(--radius-md);
      padding: 16px;
    }

    .model-tags-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

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

    .model-tag {
      display: inline-block;
      padding: 4px 10px;
      font-size: 12px;
      font-weight: 600;
      background: #FFFFFF;
      color: var(--text-main);
      border: 1px solid #BFDBFE;
      border-radius: 4px;
      box-shadow: 0 1px 3px rgba(30, 64, 175, 0.06);
    }

    /* 页面基础板块通用样式 */
    .section-block {
      padding: 80px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .section-white {
      background-color: #FFFFFF;
    }

    .section-light {
      background-color: var(--bg-page);
    }

    /* 平台介绍卡片 */
    .about-feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .about-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .about-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: var(--primary-soft);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 18px;
    }

    .about-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .about-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* AIGC核心场景卡片网格 */
    .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: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

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

    .service-card-top {
      margin-bottom: 16px;
    }

    .service-card-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary-light);
      background-color: var(--primary-soft);
      padding: 3px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .service-card-foot {
      padding-top: 14px;
      border-top: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
    }

    /* 一站式制作工作流 & 真实素材图片区 */
    .workflow-steps-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 40px;
    }

    .step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .step-number {
      font-size: 28px;
      font-weight: 900;
      color: #DBEAFE;
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .material-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .material-banner-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 16px;
      box-shadow: var(--shadow-sm);
    }

    .material-banner-card .img-box {
      width: 100%;
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 14px;
    }

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

    .material-banner-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .material-banner-card p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 对比评测板块（五星与9.9分） */
    .rating-banner-box {
      background: linear-gradient(135deg, #1E40AF, #1D4ED8);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: var(--shadow-lg);
    }

    .rating-score-left h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .rating-stars {
      color: #FBBF24;
      font-size: 20px;
      letter-spacing: 2px;
      margin-bottom: 6px;
    }

    .rating-score-left p {
      color: #BFDBFE;
      font-size: 14px;
    }

    .rating-score-right {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }

    .score-big {
      font-size: 64px;
      font-weight: 900;
      line-height: 1;
      color: #FFFFFF;
    }

    .score-max {
      font-size: 20px;
      color: #BFDBFE;
      font-weight: 600;
    }

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

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 18px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .comparison-table th {
      background-color: var(--bg-subtle);
      color: var(--text-main);
      font-weight: 700;
    }

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

    .comparison-table td.highlight-col {
      background-color: var(--primary-soft);
      color: var(--primary);
      font-weight: 700;
    }

    .badge-check {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: #059669;
      font-weight: 700;
    }

    .badge-cross {
      color: #DC2626;
      font-weight: 600;
    }

    /* Token 比价经济卡片 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .token-card.featured {
      border: 2px solid var(--primary-light);
      box-shadow: var(--shadow-lg);
    }

    .token-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-light);
      color: #FFFFFF;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: 999px;
    }

    .token-card h4 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 12px;
    }

    .token-price span {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
    }

    .token-features-list {
      list-style: none;
      text-align: left;
      margin: 20px 0;
      font-size: 14px;
    }

    .token-features-list li {
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 案例中心展示与官方图片整合 */
    .cases-gallery-block {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 30px;
    }

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

    .case-media-item img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
      transition: var(--transition);
    }

    .case-media-item:hover img {
      transform: scale(1.03);
    }

    .case-media-info {
      padding: 12px 14px;
    }

    .case-media-info h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .case-media-info span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 用户评论卡片（严格6条真实评测） */
    .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-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #F59E0B;
      font-size: 15px;
      margin-bottom: 12px;
    }

    .review-quote {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 18px;
    }

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

    .review-avatar-char {
      width: 40px;
      height: 40px;
      background: var(--primary-soft);
      color: var(--primary);
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .review-author-info h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .review-author-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 加盟代理与网络板块 */
    .agency-card-banner {
      background: linear-gradient(135deg, #0F172A, #1E3A8A);
      color: #FFFFFF;
      border-radius: var(--radius-xl);
      padding: 40px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }

    .agency-content h3 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .agency-content p {
      color: #CBD5E1;
      font-size: 15px;
      line-height: 1.65;
      margin-bottom: 24px;
    }

    .agency-perks-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .agency-perk-item {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 14px;
    }

    .agency-perk-item h5 {
      font-size: 15px;
      font-weight: 700;
      color: #93C5FD;
      margin-bottom: 4px;
    }

    .agency-perk-item p {
      font-size: 12px;
      color: #E2E8F0;
      margin-bottom: 0;
    }

    /* FAQ 手风琴面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: var(--primary-light);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      background: transparent;
      border: none;
      padding: 18px 22px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .faq-icon-arrow {
      font-size: 16px;
      color: var(--primary-light);
      transition: transform 0.25s ease;
    }

    .faq-item.active .faq-icon-arrow {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background-color: var(--bg-subtle);
    }

    .faq-answer-inner {
      padding: 18px 22px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
      border-top: 1px solid var(--border-color);
    }

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

    .articles-raw-tag {
      margin-bottom: 20px;
      padding: 12px;
      background: var(--bg-subtle);
      border-left: 4px solid var(--primary);
      font-size: 13px;
      color: var(--text-muted);
    }

    .articles-links-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .article-item-card {
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .article-item-card:hover {
      background: var(--primary-soft);
      border-color: var(--primary-bright);
      transform: translateY(-2px);
    }

    .article-item-card h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .article-item-card span {
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
    }

    /* 联系我们与智能需求提交表单 */
    .contact-wrapper-grid {
      display: grid;
      grid-template-columns: 3fr 2fr;
      gap: 36px;
    }

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

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

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      color: var(--text-main);
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary-light);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      border: none;
      border-radius: var(--radius-md);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(30, 64, 175, 0.28);
      transition: var(--transition);
    }

    .btn-submit-form:hover {
      background: linear-gradient(135deg, var(--primary-light), var(--primary-bright));
      transform: translateY(-1px);
    }

    .contact-info-sidebar {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

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

    .contact-info-item .info-label {
      font-weight: 700;
      color: var(--text-main);
      width: 90px;
      flex-shrink: 0;
      font-size: 14px;
    }

    .contact-info-item .info-val {
      color: var(--text-body);
      font-size: 14px;
      word-break: break-all;
    }

    .qr-contact-block {
      text-align: center;
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px solid var(--border-color);
    }

    .qr-contact-block img {
      width: 140px;
      height: 140px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 4px;
      background: #FFFFFF;
      display: inline-block;
      margin-bottom: 8px;
    }

    .qr-contact-block p {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 友情链接与页脚规范统一 */
    .site-footer {
      background-color: #0F172A;
      color: #94A3B8;
      padding: 60px 0 30px;
      font-size: 14px;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 32px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 18px;
    }

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

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

    .footer-links-list a:hover {
      color: #60A5FA;
    }

    .footer-friend-links-box {
      padding: 24px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
    }

    .friend-links-label {
      color: #FFFFFF;
      font-weight: 600;
      font-size: 13px;
    }

    .footer-friend-links-box a {
      color: #94A3B8;
      font-size: 13px;
    }

    .footer-friend-links-box a:hover {
      color: #60A5FA;
    }

    .footer-bottom-bar {
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748B;
    }

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

    .float-btn {
      width: 48px;
      height: 48px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary);
      transition: var(--transition);
      font-size: 18px;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #FFFFFF;
      transform: translateY(-3px);
    }

    /* 响应式媒体查询适配 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 36px; }
      .about-feature-grid,
      .services-grid,
      .token-grid,
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .workflow-steps-wrap { grid-template-columns: repeat(2, 1fr); }
      .cases-gallery-block { grid-template-columns: repeat(2, 1fr); }
      .articles-links-grid { grid-template-columns: repeat(3, 1fr); }
      .footer-top-grid { grid-template-columns: 1fr 1fr; }
      .agency-card-banner { grid-template-columns: 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;
        border-bottom: 1px solid var(--border-color);
        padding: 16px 20px;
        box-shadow: var(--shadow-md);
      }
      .nav-links.show { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links a { width: 100%; padding: 12px 0; }
      .hero-title { font-size: 28px; }
      .hero-subtitle { font-size: 15px; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .material-showcase-grid { grid-template-columns: 1fr; }
      .about-feature-grid,
      .services-grid,
      .token-grid,
      .reviews-grid { grid-template-columns: 1fr; }
      .workflow-steps-wrap { grid-template-columns: 1fr; }
      .cases-gallery-block { grid-template-columns: 1fr; }
      .articles-links-grid { grid-template-columns: 1fr; }
      .contact-wrapper-grid { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .rating-banner-box { flex-direction: column; text-align: center; }
      .rating-score-right { margin: 0 auto; }
      .agency-perks-list { grid-template-columns: 1fr; }
    }