/* 全局变量与霓虹亮彩主题配色 */
    :root {
      --bg-main: #f5f7fb;
      --bg-card: #ffffff;
      --bg-alt: #eef2f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --neon-cyan: #00e5ff;
      --neon-pink: #ff007f;
      --neon-purple: #8a2be2;
      --neon-blue: #2563eb;
      --neon-amber: #ff9900;
      --neon-green: #00f076;
      --border-color: #e2e8f0;
      --border-neon: rgba(0, 229, 255, 0.4);
      --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
      --shadow-neon: 0 8px 30px rgba(0, 229, 255, 0.22);
      --shadow-pink: 0 8px 30px rgba(255, 0, 127, 0.2);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-main);
      line-height: 1.6;
    }

    body {
      background: radial-gradient(circle at 10% 0%, rgba(0, 229, 255, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 20%, rgba(255, 0, 127, 0.06) 0%, transparent 40%),
                  radial-gradient(circle at 50% 80%, rgba(138, 43, 226, 0.05) 0%, transparent 50%),
                  var(--bg-main);
      background-attachment: fixed;
      overflow-x: hidden;
      min-height: 100vh;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

    ul, ol {
      list-style: none;
    }

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

    /* 统一居中容器 */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 导航栏 */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    }

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

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      height: 48px;
    }

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

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-title .badge {
      font-size: 0.7rem;
      padding: 2px 6px;
      border-radius: 4px;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
      color: #fff;
      font-weight: 700;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 明确根据要求设为0 */
    }

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--neon-blue);
      background: rgba(37, 99, 235, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 0.95rem;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 30px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .btn-neon-primary {
      background: linear-gradient(135deg, #00d2ff 0%, #0066ff 50%, #8a2be2 100%);
      color: #ffffff;
      box-shadow: 0 4px 18px rgba(0, 102, 255, 0.35);
    }

    .btn-neon-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(0, 102, 255, 0.5);
      color: #ffffff;
    }

    .btn-neon-outline {
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .btn-neon-outline:hover {
      border-color: var(--neon-pink);
      color: var(--neon-pink);
      transform: translateY(-2px);
      box-shadow: var(--shadow-pink);
    }

    .btn-neon-special {
      background: linear-gradient(135deg, #ff007f, #7928ca);
      color: #ffffff;
      box-shadow: 0 4px 18px rgba(255, 0, 127, 0.35);
    }

    .btn-neon-special:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 0, 127, 0.55);
      color: #ffffff;
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 通用Section布局 */
    section {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 48px auto;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 800;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      padding: 4px 14px;
      border-radius: 20px;
      background: rgba(0, 229, 255, 0.12);
      color: #0077b6;
      border: 1px solid rgba(0, 229, 255, 0.4);
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 首屏 HERO (无图片要求) */
    .hero-section {
      padding: 85px 0 75px 0;
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.8) 0%, rgba(240, 247, 255, 0.6) 100%);
    }

    .hero-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      box-shadow: 0 4px 20px rgba(0, 229, 255, 0.2);
      border: 1px solid rgba(0, 229, 255, 0.4);
      margin-bottom: 24px;
    }

    .hero-badge .glow-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--neon-green);
      box-shadow: 0 0 10px var(--neon-green);
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      max-width: 960px;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title .highlight {
      background: linear-gradient(135deg, #0070f3 0%, #ff007f 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-desc {
      font-size: 1.18rem;
      color: var(--text-muted);
      max-width: 780px;
      margin-bottom: 36px;
      line-height: 1.7;
    }

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

    .hero-action-group .btn-lg {
      padding: 14px 34px;
      font-size: 1.05rem;
    }

    /* 首屏数据流卡片展示 (纯CSS与文字，无图片) */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      width: 100%;
      max-width: 1060px;
      margin-top: 10px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink));
      opacity: 0;
      transition: opacity 0.3s;
    }

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-neon);
      border-color: var(--border-neon);
    }

    .stat-card:hover::before {
      opacity: 1;
    }

    .stat-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 平台支持模型跑马灯标签栏 */
    .model-pills-bar {
      margin-top: 40px;
      width: 100%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 40px;
      padding: 14px 24px;
      display: flex;
      align-items: center;
      gap: 14px;
      box-shadow: var(--shadow-sm);
      overflow-x: auto;
      white-space: nowrap;
    }

    .model-pills-title {
      font-size: 0.85rem;
      font-weight: 800;
      color: var(--neon-blue);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      flex-shrink: 0;
      padding-right: 12px;
      border-right: 2px solid var(--border-color);
    }

    .model-pill-item {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      padding: 4px 12px;
      background: var(--bg-alt);
      border-radius: 20px;
      color: var(--text-main);
      border: 1px solid #e2e8f0;
      transition: all 0.2s;
    }

    .model-pill-item:hover {
      background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(255, 0, 127, 0.15));
      border-color: var(--neon-cyan);
      color: var(--neon-blue);
    }

    /* 关于我们 & 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

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

    .about-feature-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .about-feature-item {
      background: var(--bg-main);
      padding: 14px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--neon-blue);
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
    }

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

    .media-box img {
      width: 100%;
      height: auto;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .media-box:hover img {
      transform: scale(1.02);
    }

    /* 服务能力卡片 (3列) */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .cards-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .service-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-neon);
      border-color: rgba(0, 229, 255, 0.5);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 18px;
      background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(37, 99, 235, 0.1));
      color: var(--neon-blue);
      border: 1px solid rgba(0, 229, 255, 0.3);
    }

    .card-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .card-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .card-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }

    .mini-badge {
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: #f1f5f9;
      color: #334155;
      font-weight: 600;
    }

    /* 一站式制作场景 (特色版块) */
    .scene-box-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .scene-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      gap: 18px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
    }

    .scene-item:hover {
      border-color: var(--neon-pink);
      box-shadow: var(--shadow-pink);
      transform: translateY(-3px);
    }

    .scene-icon-wrap {
      flex-shrink: 0;
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(255, 0, 127, 0.15), rgba(138, 43, 226, 0.15));
      color: var(--neon-pink);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .scene-content h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .scene-content p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测表格与评分卡 */
    .rating-header-card {
      background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: 0 15px 40px rgba(15, 23, 42, 0.2);
      border: 1px solid rgba(0, 229, 255, 0.3);
    }

    .rating-score-box {
      text-align: right;
    }

    .score-number {
      font-size: 3.5rem;
      font-weight: 900;
      line-height: 1;
      color: var(--neon-cyan);
      text-shadow: 0 0 15px rgba(0, 229, 255, 0.5);
    }

    .stars {
      color: #facc15;
      font-size: 1.3rem;
      letter-spacing: 2px;
      margin-top: 4px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .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 var(--border-color);
      font-size: 0.92rem;
    }

    .compare-table th {
      background: var(--bg-alt);
      font-weight: 800;
      color: var(--text-main);
    }

    .compare-table tr:hover {
      background: rgba(0, 229, 255, 0.03);
    }

    .compare-table .highlight-col {
      background: rgba(0, 229, 255, 0.06);
      font-weight: 700;
      color: #0369a1;
      border-left: 2px solid var(--neon-cyan);
      border-right: 2px solid var(--neon-cyan);
    }

    /* 标准流程时间轴 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-badge {
      font-size: 0.75rem;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
      padding: 2px 10px;
      border-radius: 12px;
      display: inline-block;
      margin-bottom: 12px;
    }

    /* Token 比价表单与展示 */
    .token-price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 30px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
    }

    .token-card.featured {
      border: 2px solid var(--neon-cyan);
      box-shadow: var(--shadow-neon);
      position: relative;
      transform: scale(1.03);
    }

    .token-card.featured::after {
      content: "超值推荐";
      position: absolute;
      top: 12px;
      right: 12px;
      background: var(--neon-pink);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 20px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--text-main);
      margin: 16px 0;
    }

    .token-price small {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    /* 客户评价卡片 */
    .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;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px dashed var(--border-color);
    }

    .user-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-blue), var(--neon-cyan));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-weight: 800;
      font-size: 1rem;
    }

    /* FAQ 手风琴折叠 */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

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

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

    .faq-item.active .faq-toggle-icon {
      transform: rotate(180deg);
      color: var(--neon-pink);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: var(--bg-alt);
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.65;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 16px 24px 20px 24px;
    }

    /* 需求表单与联系区域 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: stretch;
    }

    .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: 18px;
    }

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: var(--bg-main);
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

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

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-details {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin: 20px 0;
    }

    .contact-detail-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .qr-container {
      text-align: center;
      background: var(--bg-alt);
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px dashed var(--border-color);
    }

    .qr-container img {
      width: 130px;
      height: 130px;
      margin: 0 auto 10px auto;
      border-radius: 8px;
    }

    /* 行业资讯 & 最新文章 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .news-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
    }

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

    .news-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .news-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .news-link {
      font-size: 0.88rem;
      color: var(--neon-blue);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 友情链接 */
    .friendly-links-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 30px;
      margin-top: 40px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
    }

    .friendly-label {
      font-size: 0.9rem;
      font-weight: 800;
      color: var(--text-main);
      padding-right: 12px;
      border-right: 2px solid var(--border-color);
    }

    .friendly-links-wrap a {
      font-size: 0.88rem;
      color: var(--text-muted);
      padding: 4px 12px;
      border-radius: 4px;
      background: var(--bg-alt);
    }

    .friendly-links-wrap a:hover {
      color: var(--neon-blue);
      background: rgba(37, 99, 235, 0.1);
    }

    /* 页脚 */
    footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 45px 0 30px 0;
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .footer-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 18px;
    }

    .footer-brand {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .footer-desc {
      max-width: 680px;
      font-size: 0.88rem;
      line-height: 1.6;
    }

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

    /* 浮动工具栏 */
    .float-toolbar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .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(--text-main);
      font-size: 1.1rem;
      cursor: pointer;
      transition: all 0.3s;
    }

    .float-btn:hover {
      background: var(--neon-cyan);
      color: #ffffff;
      transform: scale(1.1);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.3rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .cards-grid-3, .reviews-grid, .token-price-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
      .cards-grid-4, .flow-steps-grid { grid-template-columns: repeat(2, 1fr); }
      .about-grid, .contact-grid { grid-template-columns: 1fr; }
      .scene-box-grid { grid-template-columns: 1fr; }
      .nav-links { display: none; }
      .mobile-menu-toggle { display: block; }
    }

    @media (max-width: 640px) {
      .hero-title { font-size: 1.85rem; }
      .hero-stats-grid { grid-template-columns: 1fr; }
      .cards-grid-3, .cards-grid-4, .reviews-grid, .token-price-grid, .news-grid, .flow-steps-grid { grid-template-columns: 1fr; }
      .rating-header-card { flex-direction: column; text-align: center; gap: 20px; }
      .rating-score-box { text-align: center; }
      .btn { width: 100%; }
      .hero-action-group { flex-direction: column; width: 100%; }
    }