:root {
      --primary: #4361ee;
      --primary-gradient: linear-gradient(135deg, #ff5e62, #ff9966 25%, #4cc9f0 50%, #4361ee 75%, #7209b7);
      --rainbow-subtle: linear-gradient(90deg, rgba(255, 94, 98, 0.08), rgba(255, 153, 102, 0.08), rgba(76, 201, 240, 0.08), rgba(67, 97, 238, 0.08), rgba(114, 9, 183, 0.08));
      --text-main: #1f2937;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --bg-main: #fcfdfe;
      --bg-card: #ffffff;
      --border-color: #e5e7eb;
      --border-rainbow: linear-gradient(90deg, #ff7a70, #f8b195, #6cdbeb, #5d82f7, #a450e6);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 8px 24px rgba(67, 97, 238, 0.08);
      --shadow-lg: 0 16px 36px rgba(114, 9, 183, 0.12);
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
    }

    body {
      background-image: 
        radial-gradient(at 0% 0%, rgba(255, 107, 107, 0.06) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(72, 219, 251, 0.06) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(114, 9, 183, 0.05) 0px, transparent 50%);
      background-attachment: fixed;
      background-color: var(--bg-main);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* 统一居中容器规范 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 基础通用样式 */
    a {
      color: var(--primary);
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover {
      color: #7209b7;
    }

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

    .section-title-wrap {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-badge {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 999px;
      background: #eff6ff;
      color: var(--primary);
      border: 1px solid #bfdbfe;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
      position: relative;
      display: inline-block;
    }
    .section-title::after {
      content: "";
      display: block;
      width: 60%;
      height: 4px;
      margin: 8px auto 0;
      border-radius: 2px;
      background: var(--primary-gradient);
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      cursor: pointer;
      transition: var(--transition);
      border: none;
      text-align: center;
    }
    .btn-rainbow {
      background: var(--primary-gradient);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(67, 97, 238, 0.35);
    }
    .btn-rainbow:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(114, 9, 183, 0.4);
      filter: brightness(1.05);
    }
    .btn-outline {
      background: #ffffff;
      color: var(--text-main) !important;
      border: 1.5px solid #d1d5db;
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary) !important;
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(229, 231, 235, 0.8);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }
    .nav-container {
      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;
      object-fit: contain;
    }
    .brand-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: #111827;
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-links li a {
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }
    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(67, 97, 238, 0.05);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .nav-btn {
      padding: 8px 18px;
      font-size: 0.9rem;
      font-weight: 600;
      border-radius: 999px;
      background: var(--primary-gradient);
      color: #ffffff !important;
    }

    .nav-toggle {
      display: none;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 6px;
    }
    .nav-toggle svg {
      width: 24px;
      height: 24px;
      stroke: var(--text-main);
    }

    /* 首屏 HERO (无图片设计) */
    .hero-section {
      padding: 72px 0 64px;
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(243, 246, 255, 0.8) 100%);
      border-bottom: 1px solid rgba(229, 231, 235, 0.8);
    }
    .hero-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }
    .rainbow-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 999px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
      font-size: 0.88rem;
      font-weight: 600;
      color: #4b5563;
      margin-bottom: 24px;
    }
    .rainbow-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--primary-gradient);
      animation: pulseDot 2s infinite;
    }
    @keyframes pulseDot {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.3); opacity: 0.7; }
    }
    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      max-width: 900px;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-title span {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-subtitle {
      font-size: 1.18rem;
      line-height: 1.7;
      color: var(--text-muted);
      max-width: 760px;
      margin-bottom: 36px;
    }
    .hero-buttons {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      justify-content: center;
      margin-bottom: 48px;
    }

    /* 首屏数据指标卡片群 (无图) */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      width: 100%;
    }
    .stat-card {
      background: #ffffff;
      border: 1px solid #edf2f7;
      border-radius: var(--radius-md);
      padding: 20px 16px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }
    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--primary-gradient);
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      color: #111827;
      line-height: 1.2;
      margin-bottom: 6px;
    }
    .stat-number em {
      font-style: normal;
      font-size: 1.1rem;
      color: var(--primary);
    }
    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 聚合模型滚轨/标签云 */
    .models-bar-section {
      padding: 28px 0;
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
    }
    .models-bar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }
    .models-bar-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      white-space: nowrap;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .models-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      flex: 1;
    }
    .model-chip {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 600;
      color: #334155;
      transition: var(--transition);
    }
    .model-chip:hover {
      border-color: var(--primary);
      background: #eff6ff;
      color: var(--primary);
    }

    /* 通用Section布局 */
    .page-section {
      padding: 72px 0;
      position: relative;
    }
    .page-section.alt-bg {
      background: rgba(248, 250, 252, 0.6);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    /* 平台核心介绍三栏 */
    .intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .intro-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .intro-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }
    .intro-icon-box {
      width: 52px;
      height: 52px;
      border-radius: var(--radius-md);
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.5rem;
    }
    .intro-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #111827;
      margin-bottom: 12px;
    }
    .intro-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      flex: 1;
    }

    /* AIGC 服务矩阵 (场景网格) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      position: relative;
      display: flex;
      flex-direction: column;
    }
    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }
    .service-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }
    .service-badge {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      background: #eff6ff;
      color: var(--primary);
    }
    .service-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #1f2937;
    }
    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
      flex: 1;
    }
    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .service-tags span {
      font-size: 0.78rem;
      background: #f1f5f9;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 图文视觉案例板块 */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 28px;
      margin-bottom: 32px;
      align-items: stretch;
    }
    .media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .media-card .img-wrapper {
      width: 100%;
      background: #f8fafc;
      position: relative;
      overflow: hidden;
    }
    .media-card .img-wrapper img {
      width: 100%;
      height: 280px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .media-card:hover .img-wrapper img {
      transform: scale(1.03);
    }
    .media-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .media-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #111827;
      margin-bottom: 10px;
    }
    .media-body p {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }

    .banner-full-wrapper {
      margin-top: 32px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      background: #ffffff;
    }
    .banner-full-wrapper img {
      width: 100%;
      max-height: 320px;
      object-fit: cover;
    }

    /* 标准制作流程步骤 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .process-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      text-align: center;
      transition: var(--transition);
    }
    .process-step:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .step-badge {
      width: 44px;
      height: 44px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }
    .process-step h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #111827;
      margin-bottom: 8px;
    }
    .process-step p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测表格板块 (含五星 9.9分推荐) */
    .benchmark-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }
    .benchmark-header {
      background: linear-gradient(135deg, #1e293b, #0f172a);
      color: #ffffff;
      padding: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }
    .benchmark-header-left h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 6px;
      color: #ffffff;
    }
    .benchmark-header-left p {
      color: #94a3b8;
      font-size: 0.95rem;
    }
    .score-badge {
      display: flex;
      align-items: center;
      gap: 16px;
      background: rgba(255, 255, 255, 0.1);
      padding: 12px 24px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .score-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: #38bdf8;
      line-height: 1;
    }
    .score-stars {
      color: #facc15;
      font-size: 1.2rem;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }
    .score-label {
      font-size: 0.85rem;
      color: #cbd5e1;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
    }
    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
    }
    .custom-table th, .custom-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .custom-table th {
      background: #f8fafc;
      color: #475569;
      font-weight: 700;
    }
    .custom-table tr:hover td {
      background: #f1f5f9;
    }
    .custom-table .hl-cell {
      background: rgba(67, 97, 238, 0.04);
      font-weight: 600;
      color: var(--primary);
    }
    .tag-yes {
      display: inline-block;
      padding: 4px 10px;
      background: #dcfce7;
      color: #166534;
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 600;
    }
    .tag-no {
      display: inline-block;
      padding: 4px 10px;
      background: #f1f5f9;
      color: #64748b;
      border-radius: 999px;
      font-size: 0.85rem;
    }

    /* Token 比价板块 */
    .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-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .token-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .token-card.featured {
      border: 2px solid var(--primary);
      position: relative;
    }
    .token-badge {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--primary-gradient);
      color: #ffffff;
      font-size: 0.75rem;
      padding: 2px 10px;
      border-radius: 999px;
      font-weight: 700;
    }
    .token-model-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }
    .token-price {
      font-size: 1.8rem;
      font-weight: 800;
      color: #111827;
      margin-bottom: 16px;
    }
    .token-price span {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: normal;
    }
    .token-features {
      list-style: none;
      margin-bottom: 24px;
      flex: 1;
    }
    .token-features li {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .token-features li::before {
      content: "✓";
      color: #10b981;
      font-weight: bold;
    }

    /* 客户真实评价 */
    .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: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .review-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .review-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 0.95rem;
    }
    .review-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      font-style: italic;
    }
    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }
    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #e0e7ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }
    .reviewer-meta h4 {
      font-size: 0.95rem;
      color: #111827;
      font-weight: 700;
    }
    .reviewer-meta span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 860px;
      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);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: #cbd5e1;
    }
    .faq-question {
      width: 100%;
      padding: 20px 24px;
      text-align: left;
      background: transparent;
      border: none;
      font-size: 1.05rem;
      font-weight: 700;
      color: #1f2937;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .faq-icon {
      width: 20px;
      height: 20px;
      transition: transform 0.3s ease;
      color: var(--primary);
      flex-shrink: 0;
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }
    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px dashed #f1f5f9;
      padding-top: 16px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }

    /* 行业资讯与文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .article-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);
    }
    .article-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .article-meta {
      font-size: 0.8rem;
      color: #94a3b8;
      margin-bottom: 10px;
    }
    .article-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #111827;
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .article-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }

    /* 智能需求匹配与表单板块 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow: hidden;
      padding: 40px;
    }
    .contact-info-col h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #111827;
      margin-bottom: 16px;
    }
    .contact-info-col p {
      color: var(--text-muted);
      font-size: 0.95rem;
      margin-bottom: 28px;
      line-height: 1.65;
    }
    .contact-channel-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 28px;
    }
    .channel-item {
      display: flex;
      align-items: center;
      gap: 14px;
      font-size: 0.95rem;
      color: #334155;
    }
    .channel-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: #eff6ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }
    .qr-box-small {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 16px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
    }
    .qr-box-small img {
      width: 80px;
      height: 80px;
      border-radius: 6px;
      border: 1px solid #e2e8f0;
    }

    .form-box form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-size: 0.88rem;
      font-weight: 600;
      color: #374151;
    }
    .form-group input, .form-group select, .form-group textarea {
      width: 100%;
      padding: 11px 14px;
      font-size: 0.95rem;
      border: 1px solid #d1d5db;
      border-radius: var(--radius-sm);
      background: #ffffff;
      color: #1f2937;
      transition: var(--transition);
      font-family: inherit;
    }
    .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
    }
    .form-group textarea {
      resize: vertical;
      min-height: 90px;
    }

    /* 加盟代理板块 */
    .partner-banner {
      background: linear-gradient(135deg, #1e1e38, #2a2b5c);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
    }
    .partner-content h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #ffffff;
    }
    .partner-content p {
      color: #cbd5e1;
      font-size: 1rem;
      max-width: 620px;
      line-height: 1.6;
    }

    /* 友情链接与规范底部 */
    .footer-section {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 24px;
      color: var(--text-muted);
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 36px;
      padding-bottom: 36px;
      border-bottom: 1px solid #f1f5f9;
    }
    .footer-brand h4 {
      font-size: 1.2rem;
      font-weight: 800;
      color: #111827;
      margin-bottom: 12px;
    }
    .footer-brand p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      max-width: 340px;
    }
    .footer-links-col h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #111827;
      margin-bottom: 16px;
    }
    .footer-links-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links-col ul li a {
      color: var(--text-muted);
      font-size: 0.9rem;
    }
    .footer-links-col ul li a:hover {
      color: var(--primary);
    }

    .friend-links-area {
      padding: 24px 0;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      border-bottom: 1px solid #f1f5f9;
    }
    .friend-links-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: #111827;
    }
    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }
    .friend-links-list a {
      font-size: 0.85rem;
      color: #64748b;
    }
    .friend-links-list a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
      color: #94a3b8;
    }

    /* 悬浮客服面板 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary);
      transition: var(--transition);
      position: relative;
    }
    .float-btn:hover {
      transform: scale(1.08);
      border-color: var(--primary);
    }
    .float-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid #e2e8f0;
      display: none;
      flex-direction: column;
      align-items: center;
      width: 140px;
      text-align: center;
    }
    .float-qr-popup img {
      width: 110px;
      height: 110px;
      margin-bottom: 8px;
    }
    .float-qr-popup span {
      font-size: 0.78rem;
      color: #4b5563;
      font-weight: 600;
    }
    .float-btn.active-kefu .float-qr-popup {
      display: flex;
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid, .intro-grid, .token-grid, .reviews-grid, .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .media-showcase-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.6rem;
      }
      .nav-links, .nav-actions {
        display: none;
      }
      .nav-toggle {
        display: block;
      }
      .services-grid, .intro-grid, .token-grid, .reviews-grid, .articles-grid, .hero-stats-grid, .process-timeline {
        grid-template-columns: 1fr;
      }
      .partner-banner {
        flex-direction: column;
        text-align: center;
        padding: 32px 20px;
      }
      .contact-wrapper {
        padding: 24px;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      /* 移动端菜单展开状态 */
      .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid #e5e7eb;
        padding: 16px 24px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-links.mobile-open li {
        width: 100%;
      }
      .nav-links.mobile-open li a {
        display: block;
        padding: 10px 0;
      }
    }