:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --neon-cyan: #06b6d4;
      --neon-blue: #3b82f6;
      --neon-purple: #8b5cf6;
      --neon-pink: #ec4899;
      --neon-amber: #f59e0b;
      --neon-emerald: #10b981;
      --glow-cyan: rgba(6, 182, 212, 0.15);
      --glow-pink: rgba(236, 72, 153, 0.15);
      --glow-blue: rgba(59, 130, 246, 0.12);
      --border-color: #e2e8f0;
      --border-glow: #cbd5e1;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-neon: 0 0 20px rgba(59, 130, 246, 0.15), 0 0 40px rgba(139, 92, 246, 0.1);
      --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 {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(6, 182, 212, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 40%, rgba(236, 72, 153, 0.04) 0%, transparent 45%),
        radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 50%);
      background-attachment: fixed;
    }

    /* 统一主容器规范 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .header-nav {
      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 rgba(0, 0, 0, 0.03);
    }

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

    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
      border-radius: var(--radius-sm);
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      font-size: 0.72rem;
      font-weight: 600;
      padding: 2px 8px;
      border-radius: 20px;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
      color: #ffffff;
    }

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

    .nav-links li {
      margin: 0;
    }

    .nav-links a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-muted);
      font-weight: 500;
      font-size: 0.92rem;
      text-decoration: none;
      transition: var(--transition);
      border-radius: 6px;
      position: relative;
    }

    .nav-links a:hover {
      color: var(--neon-blue);
      background: rgba(59, 130, 246, 0.06);
    }

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

    .btn-neon-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 0.92rem;
      font-weight: 600;
      border-radius: 30px;
      background: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 50%, #8b5cf6 100%);
      color: #ffffff !important;
      text-decoration: none;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(59, 130, 246, 0.35);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .btn-neon-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
    }

    .btn-neon-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 20px;
      font-size: 0.92rem;
      font-weight: 600;
      border-radius: 30px;
      background: #ffffff;
      color: var(--text-main);
      text-decoration: none;
      border: 1px solid var(--border-color);
      cursor: pointer;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .btn-neon-secondary:hover {
      border-color: var(--neon-pink);
      color: var(--neon-pink);
      background: rgba(236, 72, 153, 0.04);
      transform: translateY(-2px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--text-main);
    }

    /* 模块通用样式 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 4px 14px;
      border-radius: 20px;
      background: linear-gradient(90deg, rgba(6, 182, 212, 0.1), rgba(236, 72, 153, 0.1));
      color: #0284c7;
      border: 1px solid rgba(6, 182, 212, 0.25);
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
      letter-spacing: -0.5px;
    }

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

    /* 首屏 HERO 区域 (无图片) */
    .hero-section {
      padding: 85px 0 70px 0;
      background: linear-gradient(180deg, rgba(241, 245, 249, 0.6) 0%, rgba(248, 250, 252, 0) 100%);
      position: relative;
      overflow: hidden;
    }

    .hero-glow-1 {
      position: absolute;
      top: -100px;
      left: 50%;
      transform: translateX(-50%);
      width: 700px;
      height: 350px;
      background: radial-gradient(ellipse at center, rgba(6, 182, 212, 0.22), rgba(139, 92, 246, 0.12), transparent 70%);
      filter: blur(50px);
      z-index: 0;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge-wrap {
      margin-bottom: 22px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 6px 18px;
      border-radius: 30px;
      background: #ffffff;
      border: 1px solid rgba(59, 130, 246, 0.3);
      box-shadow: 0 4px 15px rgba(59, 130, 246, 0.12);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--neon-blue);
    }

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

    .hero-title {
      font-size: 2.7rem;
      font-weight: 850;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .neon-text-gradient {
      background: linear-gradient(135deg, #0284c7 0%, #6366f1 50%, #db2777 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    .hero-subtitle {
      font-size: 1.18rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 34px;
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 45px;
    }

    .hero-btn-main {
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: 35px;
      background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
      color: #ffffff !important;
      text-decoration: none;
      box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .hero-btn-main:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 35px rgba(59, 130, 246, 0.55);
    }

    .hero-btn-sub {
      padding: 14px 30px;
      font-size: 1.02rem;
      font-weight: 600;
      border-radius: 35px;
      background: #ffffff;
      color: var(--text-main);
      text-decoration: none;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .hero-btn-sub:hover {
      border-color: var(--neon-cyan);
      color: var(--neon-cyan);
      transform: translateY(-2px);
    }

    /* 核心数据指标卡片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

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

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(6, 182, 212, 0.4);
    }

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

    .stat-num {
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
      font-feature-settings: "tnum";
    }

    .stat-num span {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--neon-blue);
    }

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

    /* 模型支持聚合标签云 */
    .model-pills-wrap {
      margin-top: 36px;
      padding: 20px 24px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .model-pills-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .model-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .model-tag {
      font-size: 0.82rem;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 20px;
      background: var(--bg-alt);
      color: var(--text-main);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .model-tag:hover {
      background: #ffffff;
      border-color: var(--neon-blue);
      color: var(--neon-blue);
      transform: translateY(-1px);
    }

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

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

    .about-card-right {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .about-feature-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .about-feature-box:hover {
      border-color: var(--neon-purple);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .feature-icon-badge {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      margin-bottom: 14px;
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(139, 92, 246, 0.15));
      color: var(--neon-blue);
    }

    .about-feature-box h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .about-feature-box p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* AIGC 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-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .service-card:hover {
      border-color: var(--neon-cyan);
      box-shadow: 0 12px 30px rgba(6, 182, 212, 0.15);
      transform: translateY(-4px);
    }

    .service-card-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .service-icon {
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(236, 72, 153, 0.12));
      color: var(--neon-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
    }

    .service-card h3 {
      font-size: 1.15rem;
      font-weight: 750;
      color: var(--text-main);
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-features {
      list-style: none;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
      margin-top: auto;
    }

    .service-features li {
      font-size: 0.84rem;
      color: var(--text-muted);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .service-features li::before {
      content: "✓";
      color: var(--neon-emerald);
      font-weight: bold;
    }

    /* 场景矩阵卡片 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .scene-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      transition: var(--transition);
    }

    .scene-card:hover {
      border-color: var(--neon-pink);
      transform: translateY(-3px);
      box-shadow: 0 10px 24px rgba(236, 72, 153, 0.12);
    }

    .scene-title {
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .scene-desc {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 标准制作流程 */
    .process-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 22px;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .step-badge {
      display: inline-block;
      width: 38px;
      height: 38px;
      line-height: 38px;
      text-align: center;
      font-weight: 800;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
      color: #ffffff;
      font-size: 1rem;
      margin-bottom: 16px;
    }

    .step-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例展示区 */
    .showcase-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 24px;
      align-items: center;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 30px;
    }

    .media-holder {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      background: var(--bg-alt);
    }

    .media-holder img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.5s ease;
    }

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

    .showcase-text h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .showcase-text p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }

    .banner-gallery {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }

    .banner-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      padding: 12px;
      box-shadow: var(--shadow-sm);
    }

    .ai-page-image {
      max-width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
      display: block;
    }

    /* 对比评测板块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(236, 72, 153, 0.08));
      border: 1px solid rgba(59, 130, 246, 0.3);
      border-radius: var(--radius-lg);
      padding: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 30px;
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 1.5rem;
      letter-spacing: 2px;
    }

    .eval-score {
      font-size: 2.2rem;
      font-weight: 850;
      color: var(--text-main);
    }

    .eval-score small {
      font-size: 1rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    .eval-tagline {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
    }

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

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

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

    .compare-table th.brand-col {
      background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(59, 130, 246, 0.15));
      color: #0369a1;
      font-weight: 800;
    }

    .compare-table tr:hover td {
      background: rgba(241, 245, 249, 0.5);
    }

    .badge-adv {
      display: inline-block;
      padding: 3px 10px;
      border-radius: 12px;
      background: rgba(16, 185, 129, 0.12);
      color: #059669;
      font-weight: 700;
      font-size: 0.8rem;
    }

    /* Token 比价与成本计算 */
    .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-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
      position: relative;
    }

    .token-card.popular {
      border: 2px solid var(--neon-blue);
      box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
    }

    .popular-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
      color: #ffffff;
      font-size: 0.76rem;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: 20px;
    }

    .token-card h3 {
      font-size: 1.25rem;
      font-weight: 750;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 850;
      color: var(--neon-blue);
      margin-bottom: 16px;
    }

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

    .token-features {
      list-style: none;
      text-align: left;
      margin: 20px 0;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
    }

    .token-features li {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 客户评价板块 (6条评论) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

    .review-card:hover {
      border-color: var(--neon-cyan);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 18px;
    }

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

    .user-avatar-placeholder {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
    }

    .user-meta h4 {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-meta p {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* FAQ 折叠面板 (>=10条) */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question:hover {
      color: var(--neon-blue);
      background: rgba(241, 245, 249, 0.4);
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: bold;
      transition: transform 0.3s ease;
      color: var(--neon-cyan);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      background: var(--bg-alt);
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    .faq-item.active {
      border-color: rgba(6, 182, 212, 0.4);
    }

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

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

    /* 加盟代理板块 */
    .agent-block {
      background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
      border-radius: var(--radius-lg);
      border: 1px solid rgba(6, 182, 212, 0.3);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

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

    .agent-benefits {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .benefit-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 14px 16px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .benefit-item span {
      color: var(--neon-pink);
      font-size: 1.1rem;
    }

    /* 需求匹配与表单 */
    .form-section-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
    }

    .form-info-side h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .form-info-side p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 24px;
    }

    .contact-badge-list {
      list-style: none;
    }

    .contact-badge-list li {
      margin-bottom: 12px;
      font-size: 0.92rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .qr-card-mini {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      padding: 12px 18px;
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      margin-top: 14px;
    }

    .qr-card-mini img {
      width: 68px;
      height: 68px;
      border-radius: 6px;
      object-fit: contain;
    }

    .ai-demand-form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .form-group-full {
      grid-column: span 2;
    }

    .form-control-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: var(--radius-sm);
      background: var(--bg-main);
      font-size: 0.92rem;
      color: var(--text-main);
      transition: var(--transition);
      font-family: inherit;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--neon-blue);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    }

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

    .btn-submit-form {
      grid-column: span 2;
      padding: 14px;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      border: none;
      border-radius: 30px;
      cursor: pointer;
      box-shadow: 0 6px 20px rgba(6, 182, 212, 0.35);
      transition: var(--transition);
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(6, 182, 212, 0.5);
    }

    /* 行业资讯 / 最新文章列表 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .article-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-card:hover {
      border-color: var(--neon-purple);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .article-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--neon-purple);
      background: rgba(139, 92, 246, 0.1);
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .article-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
      text-decoration: none;
    }

    .article-title:hover {
      color: var(--neon-blue);
    }

    .article-excerpt {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 14px;
      flex-grow: 1;
    }

    .article-link-btn {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--neon-blue);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .article-link-btn:hover {
      text-decoration: underline;
    }

    /* AI百科速览 */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

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

    .wiki-card h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .wiki-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px 0;
      color: var(--text-main);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-top: 12px;
    }

    .footer-col h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 8px;
    }

    .footer-col ul a {
      color: var(--text-muted);
      font-size: 0.86rem;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-col ul a:hover {
      color: var(--neon-blue);
    }

    .friend-links-box {
      border-top: 1px solid var(--border-color);
      padding: 20px 0;
      margin-bottom: 20px;
    }

    .friend-links-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friend-links-list a {
      font-size: 0.84rem;
      color: var(--text-muted);
      text-decoration: none;
      transition: var(--transition);
    }

    .friend-links-list a:hover {
      color: var(--neon-blue);
      text-decoration: underline;
    }

    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
      text-align: center;
      font-size: 0.82rem;
      color: var(--text-light);
    }

    /* 浮动客服挂件 */
    .float-service-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      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);
      cursor: pointer;
      text-decoration: none;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      background: var(--neon-blue);
      color: #ffffff;
      transform: scale(1.08);
      border-color: var(--neon-blue);
    }

    .float-btn-qr-pop {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
      display: none;
      flex-direction: column;
      align-items: center;
      width: 140px;
      text-align: center;
      pointer-events: none;
    }

    .float-btn-qr-pop img {
      width: 110px;
      height: 110px;
      margin-bottom: 6px;
    }

    .float-btn-qr-pop span {
      font-size: 0.75rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .float-btn:hover .float-btn-qr-pop {
      display: flex;
    }

    /* 响应式样式 */
    @media (max-width: 1024px) {
      .services-grid, .reviews-grid, .token-grid, .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scene-grid, .hero-stats-grid, .process-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .form-section-wrap, .agent-grid, .showcase-grid {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .header-nav .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }

      .header-nav .nav-links.active {
        display: flex;
      }

      .mobile-menu-btn {
        display: block;
      }

      .hero-title {
        font-size: 2rem;
      }

      .section-title {
        font-size: 1.65rem;
      }

      .services-grid, .reviews-grid, .token-grid, .articles-grid, .scene-grid, .hero-stats-grid, .process-steps-grid, .wiki-grid, .about-card-right, .banner-gallery, .agent-benefits {
        grid-template-columns: 1fr;
      }

      .ai-demand-form {
        grid-template-columns: 1fr;
      }

      .form-group-full {
        grid-column: span 1;
      }

      .btn-submit-form {
        grid-column: span 1;
      }

      .footer-top {
        grid-template-columns: 1fr;
      }
    }