/* CSS 全局变量与鲜黄耀眼风格重置 */
    :root {
      --primary-yellow: #FFD000;
      --primary-hover: #E5BB00;
      --accent-gold: #FFAA00;
      --dark-charcoal: #12151B;
      --dark-slate: #1E232E;
      --text-main: #1C2028;
      --text-muted: #555E6D;
      --bg-page: #FBFBFC;
      --bg-card: #FFFFFF;
      --bg-light-yellow: #FFFDF0;
      --border-color: #ECEEF2;
      --border-accent: #FFE873;
      --shadow-sm: 0 4px 12px rgba(18, 21, 27, 0.04);
      --shadow-md: 0 10px 25px rgba(255, 208, 0, 0.12), 0 6px 16px rgba(18, 21, 27, 0.06);
      --shadow-lg: 0 18px 40px rgba(18, 21, 27, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

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

    /* 统一全局居中容器 */
    .site-container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

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

    .brand-box .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--dark-charcoal);
      letter-spacing: -0.5px;
    }

    .brand-badge {
      font-size: 0.75rem;
      background: var(--primary-yellow);
      color: var(--dark-charcoal);
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      margin-left: 6px;
    }

    /* 要求 .nav-links 的 gap 属性设置为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-links li a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--dark-slate);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--dark-charcoal);
      background-color: var(--bg-light-yellow);
    }

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

    .btn-nav-primary {
      background: linear-gradient(135deg, var(--primary-yellow), var(--accent-gold));
      color: var(--dark-charcoal);
      font-weight: 700;
      padding: 9px 20px;
      border-radius: 50px;
      font-size: 0.9rem;
      box-shadow: 0 4px 14px rgba(255, 208, 0, 0.35);
      border: 1px solid var(--border-accent);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(255, 208, 0, 0.45);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .nav-toggle span {
      display: block;
      width: 24px;
      height: 2.5px;
      background-color: var(--dark-charcoal);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 区域统一标题 */
    .section-head {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-eyebrow {
      display: inline-block;
      background-color: var(--bg-light-yellow);
      border: 1px solid var(--border-accent);
      color: #946C00;
      font-size: 0.85rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
    }

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

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
    }

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

    /* ============================================================
       首屏 HERO 区域 (严格规定：首屏不要出现图片，纯CSS与几何科技感)
       ============================================================ */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(255, 230, 100, 0.35) 0%, rgba(251, 251, 252, 0) 60%),
                  radial-gradient(circle at 10% 80%, rgba(255, 208, 0, 0.2) 0%, rgba(251, 251, 252, 0) 50%),
                  var(--bg-page);
      padding: 75px 0 65px;
      border-bottom: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .hero-badge-live {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #FFFFFF;
      border: 1px solid var(--border-accent);
      padding: 6px 16px;
      border-radius: 50px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--dark-charcoal);
      box-shadow: var(--shadow-sm);
      margin-bottom: 22px;
    }

    .pulse-dot {
      width: 10px;
      height: 10px;
      background-color: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    /* H1 字数控制在20字以内 */
    .hero-h1 {
      font-size: 2.7rem;
      font-weight: 900;
      line-height: 1.2;
      color: var(--dark-charcoal);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-h1 .highlight {
      background: linear-gradient(180deg, transparent 65%, var(--primary-yellow) 65%);
      padding: 0 4px;
    }

    .hero-subtitle {
      font-size: 1.12rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
      max-width: 620px;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-bottom: 36px;
    }

    /* 醒目访问官网按钮 */
    .btn-hero-official {
      background: linear-gradient(135deg, var(--primary-yellow), var(--accent-gold));
      color: #000000;
      font-size: 1.1rem;
      font-weight: 800;
      padding: 15px 34px;
      border-radius: 50px;
      box-shadow: 0 8px 24px rgba(255, 208, 0, 0.45);
      border: 2px solid #FFE566;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transition: var(--transition);
    }

    .btn-hero-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(255, 208, 0, 0.55);
    }

    .btn-hero-secondary {
      background: #FFFFFF;
      color: var(--dark-charcoal);
      font-size: 1.05rem;
      font-weight: 700;
      padding: 15px 28px;
      border-radius: 50px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      background: var(--bg-light-yellow);
      border-color: var(--border-accent);
      transform: translateY(-2px);
    }

    /* 首屏纯CSS科技数据看板 */
    .hero-tech-card {
      background: #FFFFFF;
      border: 2px solid var(--border-accent);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .tech-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

    .tech-card-title {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--dark-charcoal);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .tech-card-tag {
      font-size: 0.78rem;
      background: #000;
      color: var(--primary-yellow);
      padding: 3px 10px;
      border-radius: 20px;
      font-weight: 700;
    }

    .stat-matrix {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-bottom: 20px;
    }

    .stat-item {
      background: #F8F9FB;
      border: 1px solid #ECEEF2;
      border-radius: var(--radius-md);
      padding: 16px;
      text-align: left;
      transition: var(--transition);
    }

    .stat-item:hover {
      border-color: var(--border-accent);
      background: var(--bg-light-yellow);
    }

    .stat-number {
      font-size: 1.6rem;
      font-weight: 900;
      color: var(--dark-charcoal);
      line-height: 1.1;
      margin-bottom: 4px;
    }

    .stat-number span {
      color: var(--accent-gold);
    }

    .stat-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .model-pills-wrap {
      background: #FAF7EA;
      border: 1px dashed #E5C330;
      border-radius: var(--radius-sm);
      padding: 12px;
    }

    .model-pills-title {
      font-size: 0.8rem;
      font-weight: 700;
      color: #7A5B00;
      margin-bottom: 8px;
    }

    .model-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .model-pill {
      font-size: 0.75rem;
      background: #FFFFFF;
      border: 1px solid #E8E0BD;
      padding: 2px 8px;
      border-radius: 4px;
      color: #333;
      font-weight: 600;
    }

    /* 滚动支持模型条 */
    .marquee-section {
      background: #11141B;
      padding: 18px 0;
      color: #FFF;
      overflow: hidden;
      white-space: nowrap;
    }

    .marquee-inner {
      display: inline-flex;
      gap: 24px;
      animation: marquee 35s linear infinite;
    }

    .marquee-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 700;
      color: #E2E8F0;
      letter-spacing: 0.5px;
    }

    .marquee-item span {
      color: var(--primary-yellow);
    }

    @keyframes marquee {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    /* ============================================================
       平台介绍 & 关于我们
       ============================================================ */
    .about-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .feature-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 30px;
    }

    .feature-card-flat {
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      transition: var(--transition);
      position: relative;
    }

    .feature-card-flat:hover {
      transform: translateY(-4px);
      border-color: var(--border-accent);
      box-shadow: var(--shadow-md);
      background: #FFFFFF;
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--bg-light-yellow);
      border: 1px solid var(--border-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 18px;
    }

    .feature-card-flat h3 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--dark-charcoal);
    }

    .feature-card-flat p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ============================================================
       AIGC 服务矩阵 (场景卡片)
       ============================================================ */
    .service-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

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

    .scenario-card:hover {
      border-color: var(--accent-gold);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .scenario-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 12px;
    }

    .scenario-badge {
      font-size: 0.72rem;
      background: var(--bg-light-yellow);
      color: #8C6500;
      border: 1px solid var(--border-accent);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 700;
    }

    .scenario-card h4 {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--dark-charcoal);
      margin-bottom: 8px;
    }

    .scenario-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
      margin-bottom: 14px;
    }

    .scenario-footer {
      font-size: 0.8rem;
      font-weight: 700;
      color: #996F00;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* ============================================================
       一站式制作与素材展示 (图文区)
       ============================================================ */
    .showcase-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
      margin-bottom: 40px;
    }

    .showcase-media {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      background: #FFF;
    }

    .showcase-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--dark-charcoal);
    }

    .showcase-points {
      margin: 20px 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .showcase-point-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .point-check {
      width: 20px;
      height: 20px;
      background: var(--primary-yellow);
      color: #000;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: 900;
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* 宣传图画廊 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 24px;
    }

    .gallery-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      background: #FFFFFF;
    }

    .gallery-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-accent);
    }

    /* ============================================================
       对比评测板块 (9.9分五星推荐)
       ============================================================ */
    .eval-section {
      background: #FFFDF4;
      border-top: 1px solid var(--border-accent);
      border-bottom: 1px solid var(--border-accent);
    }

    .eval-score-card {
      background: #FFFFFF;
      border: 2px solid var(--primary-yellow);
      border-radius: var(--radius-lg);
      padding: 30px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      margin-bottom: 30px;
      box-shadow: var(--shadow-md);
    }

    .score-left {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-badge {
      background: linear-gradient(135deg, var(--primary-yellow), var(--accent-gold));
      color: #000000;
      font-size: 2.2rem;
      font-weight: 900;
      padding: 16px 24px;
      border-radius: var(--radius-md);
      line-height: 1;
      text-align: center;
    }

    .score-badge small {
      font-size: 0.9rem;
      font-weight: 700;
      display: block;
      margin-top: 4px;
    }

    .score-meta h4 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .stars-row {
      color: #F59E0B;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

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

    .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: #F4F6F9;
      font-weight: 800;
      color: var(--dark-charcoal);
    }

    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background: #FFFCE8;
      font-weight: 700;
      color: #000;
    }

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

    .token-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      transition: var(--transition);
      position: relative;
    }

    .token-card.popular {
      border: 2px solid var(--primary-yellow);
      box-shadow: var(--shadow-md);
    }

    .token-badge-hot {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: #000;
      color: var(--primary-yellow);
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 16px;
      border-radius: 20px;
    }

    .token-title {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--dark-charcoal);
      margin-bottom: 20px;
    }

    .token-price small {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    .token-list {
      text-align: left;
      margin: 20px 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .token-list li {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* ============================================================
       服务网络与标准流程
       ============================================================ */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      transition: var(--transition);
    }

    .step-card:hover {
      border-color: var(--border-accent);
      background: var(--bg-light-yellow);
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: var(--dark-charcoal);
      color: var(--primary-yellow);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      margin: 0 auto 14px;
      font-size: 1rem;
    }

    .step-card h4 {
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* ============================================================
       需求匹配与在线表单
       ============================================================ */
    .form-section-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-sm);
    }

    .form-info h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--dark-charcoal);
    }

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

    .contact-item-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      font-size: 0.95rem;
    }

    .custom-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
      text-align: left;
    }

    .form-group label {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--dark-charcoal);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #FAFAFB;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--accent-gold);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(255, 208, 0, 0.2);
    }

    .btn-submit {
      background: linear-gradient(135deg, var(--primary-yellow), var(--accent-gold));
      color: #000;
      font-size: 1.05rem;
      font-weight: 800;
      padding: 14px;
      border-radius: var(--radius-sm);
      border: none;
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(255, 208, 0, 0.35);
      transition: var(--transition);
      margin-top: 8px;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(255, 208, 0, 0.45);
    }

    /* ============================================================
       用户真实评价 (6条评价)
       ============================================================ */
    .reviews-grid-3 {
      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);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .review-stars {
      color: #F59E0B;
      margin-bottom: 12px;
      font-size: 0.9rem;
    }

    .review-content {
      font-size: 0.92rem;
      color: var(--dark-slate);
      line-height: 1.6;
      margin-bottom: 20px;
    }

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

    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-yellow);
      color: #000;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
    }

    .reviewer-name {
      font-weight: 800;
      font-size: 0.92rem;
    }

    .reviewer-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* ============================================================
       常见问题 FAQ 折叠面板 (不少于 10 条)
       ============================================================ */
    .faq-accordion {
      max-width: 920px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

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

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      background: none;
      border: none;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--dark-charcoal);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--accent-gold);
      transition: var(--transition);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #FFFDF4;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* ============================================================
       最新文章与行业资讯
       ============================================================ */
    .articles-grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .article-box {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .article-links-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 16px;
    }

    .article-links-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: var(--bg-page);
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-weight: 600;
    }

    .article-links-list a:hover {
      background: var(--bg-light-yellow);
      color: #9E7300;
      padding-left: 18px;
    }

    /* ============================================================
       联系我们与客服微信
       ============================================================ */
    .contact-card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .contact-channel-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .contact-channel-card .qr-wrap {
      width: 140px;
      height: 140px;
      margin: 14px auto 8px;
      border: 1px solid var(--border-color);
      padding: 6px;
      border-radius: var(--radius-sm);
      background: #FFF;
    }

    /* ============================================================
       页脚 Footer
       ============================================================ */
    .site-footer {
      background: #11141A;
      color: #9CA3AF;
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary-yellow);
    }

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

    .footer-col h5 {
      color: #FFFFFF;
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
    }

    .footer-links a:hover {
      color: var(--primary-yellow);
    }

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

    .friend-links-wrap a {
      color: #9CA3AF;
      font-size: 0.85rem;
      background: #1F242D;
      padding: 4px 10px;
      border-radius: 4px;
    }

    .friend-links-wrap a:hover {
      background: var(--primary-yellow);
      color: #000;
    }

    .footer-bottom {
      border-top: 1px solid #232936;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
    }

    /* 浮动操作条 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      background: #FFFFFF;
      border: 2px solid var(--primary-yellow);
      border-radius: 50%;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1.2rem;
      color: var(--dark-charcoal);
      transition: var(--transition);
    }

    .float-btn:hover {
      background: var(--primary-yellow);
      transform: scale(1.1);
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-grid, .showcase-wrapper, .form-section-wrapper {
        grid-template-columns: 1fr;
      }
      .service-grid-4, .banner-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-grid, .reviews-grid-3, .feature-grid-3, .contact-card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .hero-h1 {
        font-size: 2.1rem;
      }
      .service-grid-4, .banner-gallery-grid, .token-grid, .reviews-grid-3, .feature-grid-3, .contact-card-grid, .articles-grid-2 {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .form-section-wrapper {
        padding: 24px;
      }
    }