:root {
      --primary: #165dff;
      --primary-hover: #0e42d2;
      --primary-light: #e8f3ff;
      --accent: #00b42a;
      --cyan: #0fc6c2;
      --dark: #1d2129;
      --gray-text: #4e5969;
      --light-text: #86909c;
      --bg-page: #f7f9fc;
      --bg-card: #ffffff;
      --border-color: #e5e6eb;
      --shadow-sm: 0 2px 8px rgba(22, 93, 255, 0.06);
      --shadow-md: 0 8px 24px rgba(22, 93, 255, 0.1);
      --shadow-lg: 0 16px 36px rgba(22, 93, 255, 0.14);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

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

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

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

    /* 统一标准容器 */
    .site-container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 头部导航 */
    .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: var(--shadow-sm);
    }

    .nav-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;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      font-size: 0.93rem;
      font-weight: 500;
      color: var(--gray-text);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
    }

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

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

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

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #347eff 100%);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(22, 93, 255, 0.28);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, var(--primary-hover) 0%, #165dff 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(22, 93, 255, 0.35);
      color: #ffffff;
    }

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

    .btn-outline:hover {
      background-color: var(--primary-light);
    }

    .btn-accent {
      background: linear-gradient(135deg, #ff7d00 0%, #ff9a2e 100%);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(255, 125, 0, 0.25);
    }

    .btn-accent:hover {
      background: linear-gradient(135deg, #e06c00 0%, #ff7d00 100%);
      transform: translateY(-2px);
      color: #ffffff;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--dark);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 通用章节样式 */
    .section-padding {
      padding: 80px 0;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      background-color: var(--primary-light);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.8px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--gray-text);
      line-height: 1.65;
    }

    /* 首屏 Hero 区域（禁止图片） */
    .hero-section {
      padding: 70px 0 60px 0;
      background: radial-gradient(circle at 80% 20%, rgba(22, 93, 255, 0.08) 0%, transparent 60%),
                  radial-gradient(circle at 10% 80%, rgba(15, 198, 194, 0.06) 0%, transparent 60%),
                  #f7f9fc;
      position: relative;
      border-bottom: 1px solid #eef2f7;
    }

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

    .hero-content h1 {
      font-size: 2.6rem;
      font-weight: 800;
      color: #0c1c3e;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-content h1 span {
      color: var(--primary);
      position: relative;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.12rem;
      color: var(--gray-text);
      margin-bottom: 30px;
      line-height: 1.75;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 35px;
    }

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

    .hero-badge-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.88rem;
      color: #1e3a8a;
      background-color: #eaf2ff;
      padding: 6px 14px;
      border-radius: 20px;
      border: 1px solid #d0e2ff;
      font-weight: 500;
    }

    .hero-badge-item svg {
      width: 14px;
      height: 14px;
      fill: var(--primary);
    }

    .hero-card-panel {
      background: linear-gradient(145deg, #ffffff 0%, #f4f8ff 100%);
      border: 1px solid #dbe8ff;
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .hero-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid #e5edfb;
    }

    .hero-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0d2558;
    }

    .status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8rem;
      color: #00b42a;
      background-color: #e8ffea;
      padding: 3px 10px;
      border-radius: 12px;
      font-weight: 600;
    }

    .status-dot {
      width: 7px;
      height: 7px;
      background-color: #00b42a;
      border-radius: 50%;
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.7; }
      50% { transform: scale(1.25); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.7; }
    }

    .engine-list-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 24px;
    }

    .engine-tag {
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 6px;
      background-color: #ffffff;
      color: #2b3674;
      border: 1px solid #dbe5f7;
    }

    .hero-stat-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 15px;
      padding-top: 15px;
      border-top: 1px dashed #dbe5f7;
    }

    .hero-stat-box {
      text-align: center;
      background-color: #ffffff;
      padding: 12px 6px;
      border-radius: var(--radius-sm);
      border: 1px solid #eaf0fb;
    }

    .hero-stat-num {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      display: block;
    }

    .hero-stat-label {
      font-size: 0.78rem;
      color: var(--light-text);
    }

    /* 平台介绍 / 关于我们 */
    .about-section {
      background-color: #ffffff;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .about-info h3 {
      font-size: 1.7rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 20px;
      line-height: 1.35;
    }

    .about-info p {
      color: var(--gray-text);
      font-size: 1rem;
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .about-features {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 25px;
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px;
      background-color: var(--bg-page);
      border-radius: var(--radius-sm);
      border: 1px solid #edf2f9;
    }

    .feature-icon-box {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary) 0%, #347eff 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .feature-text-box h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 4px;
    }

    .feature-text-box p {
      font-size: 0.82rem;
      color: var(--light-text);
      margin-bottom: 0;
      line-height: 1.4;
    }

    .about-visual-card {
      background: linear-gradient(135deg, #102a5c 0%, #165dff 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px 32px;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .about-visual-card h4 {
      font-size: 1.35rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .about-visual-card ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .about-visual-card li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
      color: #e5efff;
    }

    .about-visual-card li::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background-color: rgba(255, 255, 255, 0.25);
      border-radius: 50%;
      font-size: 0.75rem;
      color: #ffffff;
      font-weight: bold;
    }

    /* AIGC 服务与场景应用大矩阵 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 20px;
    }

    .service-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #b5d5ff;
    }

    .service-card-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .service-card-icon {
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: bold;
    }

    .service-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark);
    }

    .service-card p {
      font-size: 0.88rem;
      color: var(--gray-text);
      line-height: 1.6;
      flex-grow: 1;
    }

    .service-card-footer {
      margin-top: 16px;
      padding-top: 12px;
      border-top: 1px solid #f2f4f8;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .service-tag {
      font-size: 0.75rem;
      color: var(--primary);
      background-color: #f0f6ff;
      padding: 2px 8px;
      border-radius: 4px;
    }

    .service-link {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
    }

    .service-link:hover {
      text-decoration: underline;
    }

    /* 一站式制作工作流 & 行业方案 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 30px;
    }

    .flow-step-card {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .flow-step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, #347eff 100%);
      color: #ffffff;
      font-size: 1.2rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 10px rgba(22, 93, 255, 0.3);
    }

    .flow-step-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .flow-step-card p {
      font-size: 0.85rem;
      color: var(--gray-text);
    }

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

    .case-card {
      background-color: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background-color: #e5e9f2;
      overflow: hidden;
      position: relative;
    }

    .case-img-wrap.square {
      aspect-ratio: 1 / 1;
    }

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

    .case-card:hover .case-img-wrap img {
      transform: scale(1.05);
    }

    .case-info {
      padding: 20px;
    }

    .case-info h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--dark);
    }

    .case-info p {
      font-size: 0.85rem;
      color: var(--gray-text);
      line-height: 1.5;
    }

    /* 对比评测五星 9.9分板块 */
    .review-score-banner {
      background: linear-gradient(135deg, #0d2350 0%, #174291 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 24px;
      margin-bottom: 35px;
      box-shadow: var(--shadow-md);
    }

    .score-left h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: #ffffff;
    }

    .score-left p {
      font-size: 0.95rem;
      color: #d2e3fc;
    }

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

    .score-big {
      font-size: 3.2rem;
      font-weight: 900;
      color: #ffc72c;
      line-height: 1;
    }

    .score-meta {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .stars-icon {
      color: #ffc72c;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }

    .score-meta span {
      font-size: 0.85rem;
      color: #e1ebfa;
    }

    .compare-table-wrapper {
      background-color: var(--bg-card);
      border-radius: var(--radius-md);
      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: 680px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #edf1f7;
      font-size: 0.92rem;
    }

    .compare-table th {
      background-color: #f4f8ff;
      color: var(--dark);
      font-weight: 700;
    }

    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background-color: #f0f7ff;
      color: var(--primary);
      font-weight: 700;
    }

    .tag-check {
      color: #00b42a;
      font-weight: bold;
    }

    .tag-cross {
      color: #f53f3f;
    }

    /* Token 比价板块 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .token-card {
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      transition: var(--transition);
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      background: #fafcff;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .token-card.featured::before {
      content: "超值首选";
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #fff;
      font-size: 0.75rem;
      padding: 2px 10px;
      border-radius: 10px;
      font-weight: bold;
    }

    .token-card h3 {
      font-size: 1.15rem;
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
      margin: 12px 0;
    }

    .token-price small {
      font-size: 0.85rem;
      color: var(--light-text);
      font-weight: normal;
    }

    .token-features {
      list-style: none;
      text-align: left;
      margin: 18px 0;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 0.85rem;
      color: var(--gray-text);
    }

    .token-features li::before {
      content: "• ";
      color: var(--primary);
      font-weight: bold;
    }

    /* 客户评价板块 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card {
      background-color: var(--bg-card);
      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;
    }

    .testimonial-text {
      font-size: 0.92rem;
      color: var(--dark);
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: normal;
      position: relative;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f2f4f8;
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #347eff 0%, var(--primary) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

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

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

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

    .faq-item {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.active {
      border-color: #b3d4ff;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 22px;
      font-size: 1rem;
      font-weight: 700;
      color: var(--dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background-color: #ffffff;
      user-select: none;
    }

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

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

    .faq-answer {
      padding: 0 22px 18px 22px;
      font-size: 0.92rem;
      color: var(--gray-text);
      line-height: 1.65;
      display: none;
      background-color: #ffffff;
      border-top: 1px solid #f7f9fd;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 需求表单与联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
    }

    .form-box {
      background-color: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

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

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

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

    .form-control:focus {
      border-color: var(--primary);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.12);
    }

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

    .contact-info-card {
      background: linear-gradient(145deg, #ffffff 0%, #f4f8ff 100%);
      border: 1px solid #dbe8ff;
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .contact-meta-icon {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .contact-meta-text h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 2px;
    }

    .contact-meta-text p {
      font-size: 0.88rem;
      color: var(--gray-text);
      line-height: 1.4;
    }

    .qr-card-wrap {
      display: flex;
      align-items: center;
      gap: 18px;
      background-color: #ffffff;
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid #dce8fc;
      margin-top: 15px;
    }

    .qr-card-wrap img {
      width: 90px;
      height: 90px;
      border-radius: 6px;
      border: 1px solid #eee;
    }

    .qr-text-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 4px;
    }

    .qr-text-info p {
      font-size: 0.82rem;
      color: var(--light-text);
    }

    /* 文章列表 & AI百科 */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 14px;
      margin-top: 20px;
    }

    .article-item-card {
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 14px 18px;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--gray-text);
      display: flex;
      align-items: center;
      gap: 8px;
      transition: var(--transition);
    }

    .article-item-card:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: #f7faff;
      transform: translateX(3px);
    }

    /* 加盟代理模块 */
    .agency-banner {
      background: linear-gradient(135deg, #165dff 0%, #0036aa 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      text-align: center;
      box-shadow: var(--shadow-md);
    }

    .agency-banner h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .agency-banner p {
      font-size: 1.05rem;
      max-width: 750px;
      margin: 0 auto 30px auto;
      color: #e0ecff;
      line-height: 1.7;
    }

    .agency-perks {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-bottom: 35px;
    }

    .agency-perk-box {
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      padding: 18px 12px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .agency-perk-box h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 6px;
    }

    .agency-perk-box p {
      font-size: 0.8rem;
      color: #dbe8ff;
      margin-bottom: 0;
    }

    /* 页脚 */
    .site-footer {
      background-color: #0d1629;
      color: #94a3b8;
      padding: 60px 0 30px 0;
      font-size: 0.88rem;
      border-top: 1px solid #1e293b;
    }

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

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.25rem;
      margin-bottom: 14px;
      font-weight: 700;
    }

    .footer-brand p {
      line-height: 1.65;
      margin-bottom: 16px;
      color: #94a3b8;
    }

    .footer-links h5 {
      color: #ffffff;
      font-size: 0.98rem;
      margin-bottom: 16px;
      font-weight: 700;
    }

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

    .footer-links li a {
      color: #94a3b8;
    }

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

    .friend-links-box {
      border-top: 1px solid #1e293b;
      padding: 24px 0;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: #cbd5e1;
      margin-bottom: 12px;
    }

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

    .friend-links-list a {
      color: #94a3b8;
      font-size: 0.82rem;
      transition: var(--transition);
    }

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

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      color: #64748b;
      font-size: 0.82rem;
    }

    .footer-bottom a {
      color: #94a3b8;
    }

    /* 浮动工具栏 */
    .float-toolbar {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background-color: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      cursor: pointer;
      transition: var(--transition);
      font-size: 1.2rem;
      position: relative;
    }

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

    .float-qr-popup {
      position: absolute;
      right: 56px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: 8px;
      box-shadow: var(--shadow-lg);
      border: 1px solid #e2e8f0;
      display: none;
      width: 140px;
      text-align: center;
    }

    .float-qr-popup img {
      width: 100%;
      height: auto;
      margin-bottom: 6px;
    }

    .float-qr-popup span {
      font-size: 0.75rem;
      color: var(--dark);
      font-weight: 600;
    }

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

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-grid,
      .about-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .flow-steps,
      .token-grid,
      .agency-perks {
        grid-template-columns: repeat(2, 1fr);
      }
      .testimonials-grid,
      .case-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 14px;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.65rem;
      }
      .flow-steps,
      .token-grid,
      .testimonials-grid,
      .case-gallery-grid,
      .agency-perks,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .review-score-banner {
        flex-direction: column;
        text-align: center;
      }
      .score-display-box {
        flex-direction: column;
      }
    }