:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --neon-cyan: #06b6d4;
      --neon-purple: #8b5cf6;
      --neon-emerald: #10b981;
      --neon-pink: #ec4899;
      --border-color: #e2e8f0;
      --border-hover: #cbd5e1;
      --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
      --glow-shadow: 0 10px 25px -5px rgba(6, 182, 212, 0.15), 0 8px 10px -6px rgba(139, 92, 246, 0.15);
      --container-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(at 0% 0%, rgba(6, 182, 212, 0.04) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.04) 0px, transparent 50%);
      background-attachment: fixed;
    }

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

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

    /* 顶部导航 */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.03);
    }

    .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;
    }

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

    .brand-name-sub {
      font-size: 1.15rem;
      font-weight: 700;
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 12px;
      border-radius: 6px;
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--text-main);
      background-color: var(--bg-alt);
    }

    .nav-action-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.9rem;
      font-weight: 600;
      border-radius: 8px;
      background: var(--accent-gradient);
      color: #ffffff !important;
      box-shadow: 0 2px 10px rgba(6, 182, 212, 0.3);
    }

    .nav-action-btn:hover {
      opacity: 0.95;
      transform: translateY(-1px);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 6px 10px;
      font-size: 1.2rem;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 首屏 HERO（纯净科技感无图片） */
    .hero-section {
      padding: 70px 0 60px;
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #eef2ff;
      border: 1px solid #c7d2fe;
      border-radius: 999px;
      color: #4338ca;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10b981;
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .hero-main-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff !important;
      background: var(--accent-gradient);
      border-radius: 12px;
      box-shadow: 0 10px 20px -3px rgba(6, 182, 212, 0.35);
    }

    .hero-main-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 24px -3px rgba(6, 182, 212, 0.45);
    }

    .hero-secondary-btn {
      display: inline-flex;
      align-items: center;
      padding: 14px 28px;
      font-size: 1.02rem;
      font-weight: 600;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
    }

    .hero-secondary-btn:hover {
      background: var(--bg-alt);
      border-color: var(--border-hover);
    }

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

    .data-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 24px 16px;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04);
      transition: all 0.25s ease;
      position: relative;
      overflow: hidden;
    }

    .data-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--accent-gradient);
    }

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

    .data-num {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1;
      margin-bottom: 8px;
    }

    .data-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 通用章节规范 */
    section {
      padding: 60px 0;
      border-bottom: 1px solid #edf2f7;
    }

    .section-header {
      text-align: center;
      margin-bottom: 44px;
    }

    .section-tag {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--neon-cyan);
      background: rgba(6, 182, 212, 0.08);
      padding: 4px 12px;
      border-radius: 6px;
      display: inline-block;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: 2.05rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 640px;
      margin: 0 auto;
    }

    /* 关于我们与平台介绍 */
    .about-platform-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-content-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 36px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    }

    .about-highlight-list {
      list-style: none;
      margin-top: 24px;
      display: grid;
      gap: 16px;
    }

    .about-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }

    .about-item-icon {
      width: 24px;
      height: 24px;
      border-radius: 6px;
      background: rgba(16, 185, 129, 0.1);
      color: var(--neon-emerald);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .about-item-text strong {
      display: block;
      color: var(--text-main);
      font-size: 0.95rem;
      margin-bottom: 2px;
    }

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

    /* 平台支持模型标签墙 */
    .model-tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .model-badge {
      font-size: 0.82rem;
      font-weight: 600;
      color: #334155;
      background: #f8fafc;
      border: 1px solid #cbd5e1;
      padding: 6px 14px;
      border-radius: 8px;
      transition: all 0.2s;
    }

    .model-badge:hover {
      background: #e2e8f0;
      border-color: #94a3b8;
      color: #0f172a;
    }

    /* 服务能力与场景矩阵 */
    .service-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: 16px;
      padding: 28px;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 20px -5px rgba(0, 0, 0, 0.06);
      border-color: #cbd5e1;
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(6, 182, 212, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--neon-cyan);
      font-size: 1.4rem;
      margin-bottom: 20px;
    }

    .service-card h3 {
      font-size: 1.18rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

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

    .service-meta-tags span {
      font-size: 0.75rem;
      background: var(--bg-alt);
      color: var(--text-muted);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 行业解决方案与制作流 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .industry-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 28px;
      display: flex;
      gap: 20px;
    }

    .industry-badge {
      width: 44px;
      height: 44px;
      background: rgba(139, 92, 246, 0.1);
      color: var(--neon-purple);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
    }

    .industry-text h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .industry-text p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 流程步骤 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 24px;
      position: relative;
    }

    .step-badge {
      font-size: 1.5rem;
      font-weight: 900;
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 12px;
      display: block;
    }

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

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

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

    .case-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
    }

    .case-img-wrap {
      width: 100%;
      height: 200px;
      background: #e2e8f0;
      position: relative;
      overflow: hidden;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }

    .case-content {
      padding: 22px;
    }

    .case-content h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* 宣传图画廊 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .banner-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0,0,0,0.02);
    }

    .banner-item img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 对比评测板块 */
    .review-score-banner {
      background: #ffffff;
      border: 1px solid #bae6fd;
      border-radius: 16px;
      padding: 28px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: 0 6px 20px -4px rgba(6, 182, 212, 0.1);
    }

    .score-left h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .score-left p {
      font-size: 0.92rem;
      color: var(--text-muted);
    }

    .score-right {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .star-block {
      color: #f59e0b;
      font-size: 1.3rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .score-point {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--neon-cyan);
      line-height: 1;
    }

    .score-point span {
      font-size: 1rem;
      color: var(--text-light);
      font-weight: 500;
    }

    .compare-table-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      overflow-x: auto;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 600px;
    }

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .text-highlight {
      font-weight: 700;
      color: #0284c7;
    }

    /* Token 比价与成本参考 */
    .token-price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 24px;
      position: relative;
    }

    .token-card.featured {
      border-color: #38bdf8;
      box-shadow: 0 8px 24px -4px rgba(6, 182, 212, 0.15);
    }

    .token-card.featured::after {
      content: '特惠聚合通道';
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--accent-gradient);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: 20px;
    }

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

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

    .token-card ul {
      list-style: none;
      font-size: 0.88rem;
      color: var(--text-muted);
      display: grid;
      gap: 8px;
    }

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

    .testi-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
    }

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

    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #e0f2fe;
      color: #0284c7;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .testi-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .testi-info span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    .testi-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      font-style: normal;
    }

    /* 加盟代理与被动收入板块 */
    .agent-banner {
      background: #ffffff;
      border: 1px solid #c7d2fe;
      border-radius: 20px;
      padding: 40px;
      position: relative;
      box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.08);
      overflow: hidden;
    }

    .agent-banner-inner {
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 30px;
      align-items: center;
    }

    .agent-banner h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .agent-banner p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      list-style: none;
    }

    .agent-perks li {
      font-size: 0.88rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 常见问题 FAQ 折叠 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: grid;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

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

    .faq-question:hover {
      background-color: #f8fafc;
    }

    .faq-arrow {
      font-size: 0.9rem;
      transition: transform 0.25s ease;
      color: var(--text-light);
    }

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

    .faq-answer {
      display: none;
      padding: 0 22px 18px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px solid #f1f5f9;
      background: #fafafa;
    }

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

    /* 需求匹配与表单 */
    .contact-form-layout {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 36px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.92rem;
      color: var(--text-main);
      background-color: #ffffff;
      outline: none;
      transition: border-color 0.2s ease;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: #06b6d4;
      box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.12);
    }

    .form-submit-btn {
      width: 100%;
      padding: 14px;
      background: var(--accent-gradient);
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      border: none;
      border-radius: 10px;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(6, 182, 212, 0.25);
    }

    .form-submit-btn:hover {
      opacity: 0.95;
    }

    .contact-info-panel {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-card-list {
      display: grid;
      gap: 16px;
      margin-top: 16px;
    }

    .contact-single-item {
      padding: 14px 16px;
      background: #f8fafc;
      border-radius: 10px;
      border: 1px solid #edf2f7;
    }

    .contact-single-item h4 {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-bottom: 4px;
    }

    .contact-single-item p {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .kefu-qr-box {
      margin-top: 20px;
      text-align: center;
      background: #f8fafc;
      border: 1px dashed var(--border-color);
      border-radius: 12px;
      padding: 18px;
    }

    .kefu-qr-box img {
      max-width: 130px;
      height: auto;
      border-radius: 8px;
      display: block;
      margin: 0 auto 8px;
    }

    /* 行业资讯与动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .news-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 20px;
      transition: border-color 0.2s ease;
    }

    .news-card:hover {
      border-color: #06b6d4;
    }

    .news-card h3 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .news-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 12px;
    }

    .news-link {
      font-size: 0.82rem;
      color: #0284c7;
      font-weight: 600;
    }

    /* 友情链接与外部链接 */
    .links-section {
      background: #f8fafc;
      padding: 30px 0;
      border-top: 1px solid #e2e8f0;
    }

    .links-wrapper {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 12px 24px;
      font-size: 0.88rem;
    }

    .links-title {
      font-weight: 700;
      color: var(--text-main);
    }

    .links-wrapper a {
      color: var(--text-muted);
    }

    .links-wrapper a:hover {
      color: var(--neon-cyan);
    }

    /* 页脚 */
    footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 40px 0 30px;
      color: var(--text-muted);
      font-size: 0.88rem;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 30px;
    }

    .footer-brand h4 {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .footer-links-col h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .footer-links-col ul {
      list-style: none;
      display: grid;
      gap: 8px;
    }

    .footer-links-col a:hover {
      color: var(--text-main);
    }

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--text-light);
      font-size: 0.82rem;
    }

    /* 浮动在线客服与回顶 */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      cursor: pointer;
      color: var(--text-main);
      font-size: 1.1rem;
      transition: all 0.2s ease;
    }

    .float-btn:hover {
      background: var(--bg-alt);
      transform: scale(1.05);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-data-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-container {
        grid-template-columns: repeat(2, 1fr);
      }
      .testimonials-grid {
        grid-template-columns: 1fr;
      }
      .token-price-grid {
        grid-template-columns: 1fr;
      }
      .contact-form-layout {
        grid-template-columns: 1fr;
      }
      .about-platform-grid {
        grid-template-columns: 1fr;
      }
      .agent-banner-inner {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 14px;
      }
      .hero-title {
        font-size: 1.95rem;
      }
      .service-grid, .industry-grid, .case-container, .banner-gallery-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: 1fr;
      }
      .agent-perks {
        grid-template-columns: 1fr;
      }
    }