/* ================= 基础重置与赛博粉紫暗夜主题变量 ================= */
    :root {
      --bg-main: #0a0614;
      --bg-card: rgba(26, 16, 44, 0.75);
      --bg-card-hover: rgba(43, 24, 75, 0.9);
      --bg-input: #120b22;
      --primary-pink: #ec4899;
      --primary-purple: #a855f7;
      --accent-cyan: #06b6d4;
      --accent-neon: #f43f5e;
      --text-main: #f8fafc;
      --text-sub: #cbd5e1;
      --text-muted: #94a3b8;
      --border-color: rgba(236, 72, 153, 0.25);
      --border-focus: #ec4899;
      --glow-pink: 0 0 25px rgba(236, 72, 153, 0.45);
      --glow-purple: 0 0 30px rgba(168, 85, 247, 0.4);
      --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      --container-width: 1200px;
      --radius: 12px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      background-color: var(--bg-main);
      background-image: 
        radial-gradient(circle at 15% 15%, rgba(168, 85, 247, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 85% 35%, rgba(236, 72, 153, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.12) 0%, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      font-family: var(--font-family);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    /* 统一居中容器 */
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* ================= 顶部导航 ================= */
    .header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(10, 6, 20, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(236, 72, 153, 0.2);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    }

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

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-box .ai-page-logo {
      height: 42px;
      width: auto;
      filter: drop-shadow(0 0 8px rgba(236, 72, 153, 0.6));
    }

    .brand-title {
      font-size: 1.35rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      background: linear-gradient(135deg, #fff 20%, #f472b6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 严格符合规范设置 */
      list-style: none;
    }

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-sub);
      border-radius: 6px;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: #fff;
      background: rgba(236, 72, 153, 0.18);
      text-shadow: 0 0 8px rgba(236, 72, 153, 0.8);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: 8px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }

    .btn-primary {
      background: linear-gradient(135deg, #ec4899 0%, #a855f7 100%);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 25px rgba(236, 72, 153, 0.65);
    }

    .btn-outline {
      border-color: var(--primary-pink);
      color: #ffffff;
      background: rgba(236, 72, 153, 0.1);
    }

    .btn-outline:hover {
      background: rgba(236, 72, 153, 0.25);
      border-color: #f472b6;
      box-shadow: 0 0 15px rgba(236, 72, 153, 0.3);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* ================= 通用 Section 样式 ================= */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      border-radius: 20px;
      background: rgba(236, 72, 153, 0.15);
      border: 1px solid rgba(236, 72, 153, 0.4);
      color: #f472b6;
      margin-bottom: 12px;
      box-shadow: 0 0 10px rgba(236, 72, 153, 0.2);
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
      letter-spacing: 0.5px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-sub);
      max-width: 680px;
      margin: 0 auto;
    }

    .card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      transition: var(--transition);
    }

    .card:hover {
      background: var(--bg-card-hover);
      border-color: rgba(236, 72, 153, 0.6);
      transform: translateY(-4px);
      box-shadow: var(--glow-pink);
    }

    /* ================= 1. 首屏 Hero 区域 (绝无图片) ================= */
    .hero-section {
      padding: 100px 0 80px;
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 30px;
      background: rgba(168, 85, 247, 0.15);
      border: 1px solid rgba(168, 85, 247, 0.5);
      color: #d8b4fe;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 24px;
      animation: pulseGlow 3s infinite alternate;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.25;
      color: #ffffff;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight {
      background: linear-gradient(135deg, #ec4899 0%, #a855f7 50%, #06b6d4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      text-shadow: 0 0 20px rgba(236, 72, 153, 0.3);
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-sub);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    .hero-cta {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 20px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .hero-cta .btn-large {
      padding: 14px 36px;
      font-size: 1.15rem;
      border-radius: 10px;
    }

    /* 首屏数据网格 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .stat-card {
      background: rgba(30, 16, 51, 0.7);
      border: 1px solid rgba(236, 72, 153, 0.2);
      border-radius: var(--radius);
      padding: 24px 16px;
      text-align: center;
      transition: var(--transition);
    }

    .stat-card:hover {
      border-color: var(--primary-pink);
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.3);
    }

    .stat-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: #f472b6;
      margin-bottom: 6px;
      font-family: inherit;
    }

    .stat-label {
      font-size: 0.92rem;
      color: var(--text-sub);
    }

    /* 赛博动态光球背景装饰 (纯CSS) */
    .cyber-circle {
      position: absolute;
      border-radius: 50%;
      filter: blur(80px);
      z-index: -1;
      pointer-events: none;
    }
    .circle-1 {
      width: 350px;
      height: 350px;
      background: rgba(236, 72, 153, 0.25);
      top: 10%;
      left: 10%;
    }
    .circle-2 {
      width: 400px;
      height: 400px;
      background: rgba(168, 85, 247, 0.2);
      top: 20%;
      right: 10%;
    }

    /* ================= 2. 支持平台与模型矩阵 ================= */
    .models-marquee-container {
      background: rgba(18, 10, 32, 0.6);
      border-top: 1px solid rgba(236, 72, 153, 0.2);
      border-bottom: 1px solid rgba(236, 72, 153, 0.2);
      padding: 30px 0;
      overflow: hidden;
    }

    .models-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
    }

    .model-tag {
      background: rgba(43, 23, 74, 0.6);
      border: 1px solid rgba(168, 85, 247, 0.3);
      padding: 6px 16px;
      border-radius: 20px;
      font-size: 0.88rem;
      font-weight: 600;
      color: #e2e8f0;
      transition: var(--transition);
    }

    .model-tag:hover {
      background: var(--primary-pink);
      color: #fff;
      border-color: var(--primary-pink);
      box-shadow: 0 0 12px rgba(236, 72, 153, 0.6);
    }

    /* ================= 3. 平台介绍与核心能力 ================= */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .intro-content h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
      color: #ffffff;
    }

    .intro-content p {
      color: var(--text-sub);
      margin-bottom: 18px;
      font-size: 1.02rem;
      line-height: 1.7;
    }

    .intro-features {
      list-style: none;
      margin-top: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .intro-features li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #f1f5f9;
      font-size: 0.95rem;
    }

    .intro-features li span {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: var(--primary-pink);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--primary-pink);
    }

    .intro-media-box {
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--glow-purple);
      background: #140b24;
    }

    .intro-media-box img {
      width: 100%;
      height: auto;
      object-fit: cover;
      transition: var(--transition);
    }

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

    /* ================= 4. 一站式创作服务场景 ================= */
    .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);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      border-color: var(--primary-pink);
      transform: translateY(-5px);
      box-shadow: 0 10px 30px rgba(236, 72, 153, 0.3);
    }

    .service-icon {
      font-size: 1.8rem;
      margin-bottom: 14px;
      color: #f472b6;
    }

    .service-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* ================= 5. 行业解决方案 ================= */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .solution-card {
      background: rgba(22, 13, 37, 0.8);
      border: 1px solid rgba(168, 85, 247, 0.25);
      border-radius: var(--radius);
      padding: 24px 20px;
      text-align: left;
      transition: var(--transition);
    }

    .solution-card:hover {
      border-color: #38bdf8;
      transform: translateY(-4px);
      box-shadow: 0 8px 25px rgba(6, 182, 212, 0.25);
    }

    .solution-card h4 {
      font-size: 1.15rem;
      color: #ffffff;
      margin-bottom: 10px;
    }

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

    /* ================= 6. 标准生产流程 ================= */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .process-step {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 26px 20px;
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ec4899, #a855f7);
      color: #ffffff;
      font-size: 1.2rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 0 15px rgba(236, 72, 153, 0.6);
    }

    .process-step h4 {
      font-size: 1.1rem;
      color: #fff;
      margin-bottom: 8px;
    }

    .process-step p {
      font-size: 0.88rem;
      color: var(--text-sub);
    }

    /* ================= 7. 案例中心 ================= */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

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

    .case-card:hover {
      border-color: var(--primary-pink);
      box-shadow: var(--glow-pink);
    }

    .case-media {
      width: 100%;
      overflow: hidden;
      aspect-ratio: 16/9;
      background: #11091e;
    }

    .case-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

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

    .case-info {
      padding: 24px;
    }

    .case-info h4 {
      font-size: 1.25rem;
      color: #ffffff;
      margin-bottom: 8px;
    }

    .case-info p {
      font-size: 0.92rem;
      color: var(--text-sub);
      margin-bottom: 14px;
    }

    .case-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .case-tag {
      font-size: 0.78rem;
      padding: 3px 10px;
      background: rgba(236, 72, 153, 0.15);
      border: 1px solid rgba(236, 72, 153, 0.3);
      border-radius: 4px;
      color: #f472b6;
    }

    /* ================= 8. 对比评测 (五星 9.9分) ================= */
    .review-score-box {
      background: linear-gradient(135deg, rgba(236, 72, 153, 0.2) 0%, rgba(168, 85, 247, 0.2) 100%);
      border: 1px solid var(--primary-pink);
      border-radius: var(--radius);
      padding: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      box-shadow: 0 0 30px rgba(236, 72, 153, 0.25);
    }

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

    .score-stars {
      color: #fbbf24;
      font-size: 1.4rem;
      margin-bottom: 6px;
    }

    .score-badge-wrap {
      text-align: right;
    }

    .score-badge-wrap .score-val {
      font-size: 3.5rem;
      font-weight: 900;
      color: #ec4899;
      line-height: 1;
      text-shadow: 0 0 15px rgba(236, 72, 153, 0.6);
    }

    .score-badge-wrap .score-max {
      font-size: 1.1rem;
      color: var(--text-muted);
    }

    .comparison-table-wrap {
      overflow-x: auto;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(236, 72, 153, 0.15);
    }

    .comparison-table th {
      background: rgba(43, 23, 74, 0.6);
      color: #ffffff;
      font-weight: 700;
      font-size: 1rem;
    }

    .comparison-table td {
      color: var(--text-sub);
      font-size: 0.95rem;
    }

    .comparison-table tr:hover td {
      background: rgba(236, 72, 153, 0.08);
      color: #ffffff;
    }

    .comparison-table .highlight-col {
      color: #f472b6;
      font-weight: 700;
    }

    /* ================= 9. Token 比价与算力参考 ================= */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      position: relative;
      transition: var(--transition);
    }

    .token-card.featured {
      border-color: var(--primary-pink);
      box-shadow: 0 0 25px rgba(236, 72, 153, 0.35);
      background: rgba(36, 19, 61, 0.85);
    }

    .token-badge {
      position: absolute;
      top: -12px;
      right: 20px;
      background: linear-gradient(135deg, #ec4899, #a855f7);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 12px;
    }

    .token-title {
      font-size: 1.3rem;
      color: #ffffff;
      margin-bottom: 10px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 800;
      color: #f472b6;
      margin-bottom: 16px;
    }

    .token-price span {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    .token-features {
      list-style: none;
      margin-bottom: 24px;
    }

    .token-features li {
      padding: 8px 0;
      color: var(--text-sub);
      font-size: 0.9rem;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
    }

    /* ================= 10. 用户真实评论 (6条) ================= */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-card:hover {
      border-color: #a855f7;
      transform: translateY(-3px);
      box-shadow: var(--glow-purple);
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ec4899, #38bdf8);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #ffffff;
      font-size: 1.1rem;
    }

    .reviewer-info h5 {
      font-size: 0.95rem;
      color: #ffffff;
    }

    .reviewer-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* ================= 11. 常见问题 FAQ (12条 折叠式) ================= */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-weight: 600;
      color: #ffffff;
      font-size: 1.05rem;
      user-select: none;
    }

    .faq-question:hover {
      color: #f472b6;
    }

    .faq-icon {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
      color: #ec4899;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: rgba(18, 10, 32, 0.4);
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.65;
    }

    .faq-item.active {
      border-color: var(--primary-pink);
    }

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

    .faq-item.active .faq-answer {
      max-height: 250px;
    }

    /* ================= 12. AI 百科与资讯 ================= */
    .wiki-articles-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .articles-box, .wiki-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
    }

    .articles-box h3, .wiki-box h3 {
      font-size: 1.3rem;
      color: #ffffff;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .article-link-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-link-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: rgba(18, 10, 32, 0.6);
      border-radius: 6px;
      border: 1px solid rgba(255, 255, 255, 0.05);
      color: var(--text-sub);
      font-size: 0.92rem;
    }

    .article-link-list li a:hover {
      background: rgba(236, 72, 153, 0.15);
      border-color: var(--primary-pink);
      color: #fff;
    }

    /* ================= 13. 加盟代理与被动收益 ================= */
    .agent-card {
      background: linear-gradient(135deg, rgba(38, 18, 63, 0.9) 0%, rgba(18, 10, 32, 0.9) 100%);
      border: 1px solid var(--primary-pink);
      border-radius: var(--radius);
      padding: 40px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 30px;
      align-items: center;
      box-shadow: 0 0 35px rgba(236, 72, 153, 0.3);
    }

    .agent-text h3 {
      font-size: 1.8rem;
      color: #ffffff;
      margin-bottom: 14px;
    }

    .agent-text p {
      color: var(--text-sub);
      font-size: 1rem;
      margin-bottom: 20px;
      line-height: 1.6;
    }

    .agent-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 24px;
    }

    .agent-points li {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #f1f5f9;
      font-size: 0.95rem;
    }

    .agent-visual {
      text-align: center;
      border-left: 1px solid rgba(236, 72, 153, 0.2);
      padding-left: 30px;
    }

    .agent-visual .api-img-wrap {
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      margin-bottom: 16px;
    }

    /* ================= 14. 需求匹配与表单 ================= */
    .contact-form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 40px;
    }

    .contact-info-col h3 {
      font-size: 1.7rem;
      color: #ffffff;
      margin-bottom: 14px;
    }

    .contact-info-col p {
      color: var(--text-sub);
      font-size: 0.95rem;
      margin-bottom: 24px;
    }

    .contact-channels {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 24px;
    }

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

    .channel-item strong {
      color: #ffffff;
    }

    .qrcode-box {
      display: inline-block;
      padding: 12px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-color);
      border-radius: 8px;
    }

    .qrcode-box img {
      width: 130px;
      height: 130px;
      border-radius: 4px;
    }

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

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      color: #f1f5f9;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      background: var(--bg-input);
      border: 1px solid rgba(236, 72, 153, 0.3);
      border-radius: 8px;
      color: #ffffff;
      font-size: 0.95rem;
      font-family: inherit;
      outline: none;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--primary-pink);
      box-shadow: 0 0 12px rgba(236, 72, 153, 0.4);
    }

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

    /* ================= 15. 页脚与友情链接 ================= */
    .footer {
      background: #07040e;
      border-top: 1px solid rgba(236, 72, 153, 0.2);
      padding: 60px 0 30px;
      color: var(--text-muted);
    }

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

    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.6;
      margin-top: 12px;
      color: var(--text-sub);
    }

    .footer-links-col h4 {
      font-size: 1.05rem;
      color: #ffffff;
      margin-bottom: 16px;
    }

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

    .footer-links-col ul li a {
      font-size: 0.9rem;
      color: var(--text-sub);
    }

    .footer-links-col ul li a:hover {
      color: #f472b6;
    }

    .footer-friend-links {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 24px 0;
      margin-bottom: 24px;
    }

    .friend-links-title {
      font-size: 0.95rem;
      color: #ffffff;
      margin-bottom: 12px;
    }

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

    .friend-links-list a {
      color: var(--text-sub);
      font-size: 0.88rem;
    }

    .friend-links-list a:hover {
      color: var(--primary-pink);
    }

    .footer-bottom {
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-muted);
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 20px;
    }

    /* 浮动客服入口 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 99;
      background: linear-gradient(135deg, #ec4899, #a855f7);
      width: 54px;
      height: 54px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      cursor: pointer;
      box-shadow: 0 4px 20px rgba(236, 72, 153, 0.6);
      transition: var(--transition);
    }

    .floating-kefu:hover {
      transform: scale(1.1);
    }

    /* ================= 关键帧动画 ================= */
    @keyframes pulseGlow {
      0% {
        box-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
      }
      100% {
        box-shadow: 0 0 22px rgba(236, 72, 153, 0.6);
      }
    }

    /* ================= 响应式媒体查询 ================= */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.3rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-grid {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .wiki-articles-grid {
        grid-template-columns: 1fr;
      }
      .agent-card {
        grid-template-columns: 1fr;
      }
      .agent-visual {
        border-left: none;
        padding-left: 0;
      }
      .contact-form-grid {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #0d071a;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .menu-toggle {
        display: block;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .solutions-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .cases-grid {
        grid-template-columns: 1fr;
      }
      .review-score-box {
        flex-direction: column;
        text-align: center;
        gap: 20px;
      }
      .score-badge-wrap {
        text-align: center;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }