:root {
      --primary: #1a56db;
      --primary-dark: #1e40af;
      --primary-light: #3b82f6;
      --primary-subtle: #eff6ff;
      --accent: #0284c7;
      --text-main: #111827;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 14px rgba(26,86,219,0.08);
      --shadow-lg: 0 10px 25px rgba(26,86,219,0.12);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      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: 1.6;
    }

    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      overflow-x: hidden;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: all 0.25s ease;
    }

    a:hover {
      color: var(--primary-dark);
    }

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 20px;
    }

    .section-wrap {
      padding: 70px 0;
      border-bottom: 1px solid var(--border-color);
      background-color: var(--bg-page);
    }

    .section-wrap:nth-child(even) {
      background-color: #ffffff;
    }

    .section-header {
      text-align: center;
      margin-bottom: 45px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-subtle);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      border-radius: 20px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 30px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

    .brand-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .brand-logo-wrap {
      max-height: 42px;
      display: flex;
      align-items: center;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.3px;
    }

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

    .nav-links li a {
      padding: 10px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      display: block;
      border-radius: 6px;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      cursor: pointer;
      border: 1px solid transparent;
      text-align: center;
      line-height: 1.4;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 12px rgba(26, 86, 219, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(26, 86, 219, 0.38);
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--primary);
      border-color: #cbd5e1;
    }

    .btn-secondary:hover {
      background: var(--primary-subtle);
      border-color: var(--primary-light);
      transform: translateY(-2px);
    }

    .btn-sm {
      padding: 7px 15px;
      font-size: 13px;
    }

    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px;
      border-radius: 6px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 首屏 Hero（无图片，纯CSS布局与动效） */
    .hero-section {
      background: radial-gradient(120% 120% at 50% -10%, #dbeafe 0%, #eff6ff 40%, #f8fafc 100%);
      padding: 85px 0 75px;
      border-bottom: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid #bfdbfe;
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 13px;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-content {
      max-width: 960px;
      margin: 0 auto;
      text-align: center;
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      color: #0f172a;
      letter-spacing: -0.5px;
      line-height: 1.25;
      margin-bottom: 22px;
    }

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

    .hero-lead {
      font-size: 18px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 35px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .btn-hero-official {
      padding: 13px 32px;
      font-size: 16px;
      background: linear-gradient(135deg, #1e40af 0%, #1a56db 60%, #0284c7 100%);
      color: #ffffff !important;
      border-radius: 30px;
      font-weight: 700;
      box-shadow: 0 8px 22px rgba(26, 86, 219, 0.35);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-hero-official:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(26, 86, 219, 0.45);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 10px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      text-align: center;
    }

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

    .stat-val {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 6px;
    }

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

    /* 平台矩阵标签云 */
    .model-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-pill {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      padding: 6px 14px;
      font-size: 12px;
      font-weight: 600;
      color: #334155;
      border-radius: 20px;
      transition: all 0.2s ease;
    }

    .model-pill:hover {
      background: var(--primary-subtle);
      border-color: #93c5fd;
      color: var(--primary-dark);
      transform: translateY(-1px);
    }

    /* 关于我们 & 平台概览 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-text-col p {
      margin-bottom: 16px;
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .feature-point-list {
      list-style: none;
      margin-top: 20px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .feature-point-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: #1e293b;
    }

    .feature-point-item::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: #dbeafe;
      color: var(--primary);
      font-size: 11px;
      font-weight: 800;
    }

    .about-highlight-box {
      background: linear-gradient(145deg, #ffffff 0%, #f0f7ff 100%);
      border: 1px solid #bfdbfe;
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }

    .highlight-card-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .highlight-row {
      display: flex;
      justify-content: space-between;
      padding: 12px 0;
      border-bottom: 1px dashed #e2e8f0;
      font-size: 14px;
    }

    .highlight-row:last-child {
      border-bottom: none;
    }

    .highlight-key {
      color: var(--text-light);
    }

    .highlight-val {
      font-weight: 600;
      color: var(--text-main);
    }

    /* 服务能力网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #93c5fd;
    }

    .service-icon-box {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--primary-subtle);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .service-title {
      font-size: 17px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
      margin-bottom: 14px;
    }

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

    .tag-chip {
      background: #f1f5f9;
      color: #475569;
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 4px;
    }

    /* 一站式制作场景展示 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .scenario-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      gap: 18px;
      align-items: flex-start;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .scenario-card:hover {
      border-color: #93c5fd;
      box-shadow: var(--shadow-md);
    }

    .scenario-num {
      font-size: 22px;
      font-weight: 900;
      color: #bfdbfe;
      line-height: 1;
      min-width: 32px;
    }

    .scenario-content h3 {
      font-size: 16px;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 6px;
    }

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

    /* 素材画廊（在首屏外展示） */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      margin-top: 30px;
      align-items: center;
    }

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

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

    .media-card-caption {
      padding: 12px 16px;
      font-size: 13px;
      font-weight: 600;
      color: #334155;
      background: #ffffff;
      border-top: 1px solid #f1f5f9;
    }

    .banner-strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .banner-item-wrap {
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .banner-item-wrap img {
      width: 100%;
      height: 160px;
      object-fit: cover;
    }

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

    .step-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 16px;
      text-align: center;
      position: relative;
      transition: transform 0.2s ease;
    }

    .step-box:hover {
      transform: translateY(-3px);
      border-color: #93c5fd;
    }

    .step-badge {
      width: 34px;
      height: 34px;
      background: var(--primary);
      color: #ffffff;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 12px;
      font-size: 14px;
    }

    .step-title {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测表格与卡片 */
    .evaluation-card {
      background: #ffffff;
      border: 1px solid #bfdbfe;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      margin-bottom: 30px;
    }

    .score-summary-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(135deg, #1e40af 0%, #1a56db 100%);
      color: #ffffff;
      padding: 22px 28px;
      border-radius: var(--radius-md);
      margin-bottom: 28px;
      flex-wrap: wrap;
      gap: 16px;
    }

    .score-left h3 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .score-left p {
      font-size: 13px;
      opacity: 0.9;
    }

    .score-right {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }

    .stars-rating {
      color: #fbbf24;
      font-size: 22px;
      letter-spacing: 2px;
    }

    .score-number {
      font-size: 38px;
      font-weight: 900;
      line-height: 1;
    }

    .score-total {
      font-size: 18px;
      opacity: 0.85;
    }

    .table-container {
      overflow-x: auto;
    }

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

    .comparison-table th,
    .comparison-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-color);
    }

    .comparison-table th {
      background: #f8fafc;
      color: #334155;
      font-weight: 700;
    }

    .comparison-table tr:hover td {
      background: #f8fafc;
    }

    .table-highlight-col {
      background: #eff6ff !important;
      color: var(--primary-dark);
      font-weight: 600;
    }

    /* Token比价与算力参考 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      transition: all 0.25s ease;
    }

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

    .token-badge {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--primary);
      color: #ffffff;
      font-size: 11px;
      padding: 3px 10px;
      border-radius: 12px;
      font-weight: 700;
    }

    .token-tier-name {
      font-size: 17px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 28px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .token-price span {
      font-size: 13px;
      color: var(--text-light);
      font-weight: normal;
    }

    .token-features-list {
      list-style: none;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
    }

    /* 客户评价网格（6条评论） */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .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;
      height: 100%;
    }

    .review-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 14px;
    }

    .review-text {
      font-size: 14px;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 18px;
      flex-grow: 1;
    }

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

    .author-avatar-text {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #dbeafe;
      color: var(--primary-dark);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }

    .author-info h4 {
      font-size: 14px;
      font-weight: 700;
      color: #0f172a;
    }

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

    /* 加盟代理板块 */
    .franchise-banner {
      background: linear-gradient(135deg, #1e3a8a 0%, #1a56db 70%, #0284c7 100%);
      border-radius: var(--radius-lg);
      padding: 42px 36px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .franchise-text h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .franchise-text p {
      font-size: 15px;
      opacity: 0.92;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .franchise-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .perk-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 500;
    }

    .franchise-action-box {
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      padding: 24px;
      border-radius: var(--radius-md);
      text-align: center;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .franchise-action-box h4 {
      font-size: 18px;
      margin-bottom: 10px;
    }

    .franchise-action-box p {
      font-size: 13px;
      opacity: 0.85;
      margin-bottom: 18px;
    }

    /* FAQ 折叠面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: #93c5fd;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 22px;
      background: none;
      border: none;
      font-size: 15px;
      font-weight: 700;
      color: #1e293b;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }

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

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fcfdfe;
      padding: 0 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      padding: 0 22px 18px;
      max-height: 300px;
    }

    /* AI百科与资讯 */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
      margin-bottom: 36px;
    }

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

    .wiki-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

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

    .article-stream-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
    }

    .article-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }

    .article-link-chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary-subtle);
      border: 1px solid #bfdbfe;
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 500;
      color: var(--primary-dark);
    }

    .article-link-chip:hover {
      background: #dbeafe;
      border-color: var(--primary);
    }

    /* 表单与联系模块 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }

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

    .contact-info-panel h3 {
      font-size: 20px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
    }

    .contact-meta-list {
      list-style: none;
      margin: 20px 0;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .contact-meta-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
      color: #334155;
    }

    .contact-meta-label {
      font-weight: 700;
      min-width: 80px;
      color: #64748b;
    }

    .qr-showcase {
      margin-top: 24px;
      padding: 20px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      border: 1px dashed #cbd5e1;
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .qr-img-box {
      width: 100px;
      height: 100px;
      flex-shrink: 0;
      background: #ffffff;
      padding: 6px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
    }

    .qr-text-box h4 {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 4px;
    }

    .qr-text-box p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

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

    .form-panel h3 {
      font-size: 20px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .form-panel p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 22px;
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }

    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: #1e293b;
      background: #ffffff;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
      font-family: inherit;
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
    }

    .form-textarea {
      resize: vertical;
      min-height: 90px;
    }

    /* 页脚与友情链接 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 55px 0 30px;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #f8fafc;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 13px;
      line-height: 1.7;
      color: #94a3b8;
      margin-bottom: 12px;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links-list li a {
      color: #94a3b8;
      font-size: 13px;
    }

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

    .footer-friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .footer-friend-links a {
      color: #94a3b8;
      font-size: 13px;
      background: #1e293b;
      padding: 4px 10px;
      border-radius: 4px;
    }

    .footer-friend-links a:hover {
      color: #ffffff;
      background: #334155;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 13px;
      color: #64748b;
    }

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

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

    /* 悬浮客服与返回顶部 */
    .floating-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 990;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #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: all 0.2s ease;
      font-size: 18px;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-2px);
    }

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

    .float-btn.primary-float:hover {
      background: var(--primary-dark);
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .services-grid,
      .token-grid,
      .reviews-grid,
      .wiki-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .banner-strip-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 10px;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-lead {
        font-size: 15px;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid,
      .scenario-grid,
      .contact-grid,
      .media-showcase-grid,
      .franchise-banner {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .token-grid,
      .reviews-grid,
      .wiki-grid {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .banner-strip-grid {
        grid-template-columns: 1fr 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }