:root {
      --primary-color: #ff3366;
      --secondary-color: #7928ca;
      --accent-color: #0070f3;
      --accent-cyan: #00dfd8;
      --accent-amber: #ff9900;
      --bg-base: #f7f9fc;
      --bg-card: #ffffff;
      --text-main: #111827;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --border-color: #e5e7eb;
      --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(121, 40, 202, 0.08), 0 8px 10px -6px rgba(255, 51, 102, 0.05);
      --shadow-lg: 0 20px 35px -8px rgba(17, 24, 39, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      min-width: 320px;
    }

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

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

    .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: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(229, 231, 235, 0.8);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

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

    .logo-container {
      width: 140px;
      display: flex;
      align-items: center;
    }

    .logo-container img {
      max-height: 42px;
      width: auto;
    }

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

    .nav-links li a {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      position: relative;
    }

    .nav-links li a:hover {
      color: var(--primary-color);
      background-color: rgba(255, 51, 102, 0.05);
    }

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

    .btn-nav-action {
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
      color: #ffffff !important;
      font-weight: 600;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 999px;
      box-shadow: 0 4px 14px rgba(255, 51, 102, 0.3);
    }

    .btn-nav-action:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 51, 102, 0.4);
    }

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

    /* 首屏 Hero（无任何图片） */
    .hero-section {
      padding: 70px 0 60px;
      background: radial-gradient(circle at 10% 20%, rgba(255, 51, 102, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(0, 112, 243, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 50% 50%, rgba(121, 40, 202, 0.05) 0%, transparent 60%),
                  #ffffff;
      border-bottom: 1px solid var(--border-color);
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(90deg, rgba(255, 51, 102, 0.1), rgba(121, 40, 202, 0.1));
      border: 1px solid rgba(255, 51, 102, 0.2);
      color: var(--primary-color);
      font-weight: 700;
      font-size: 0.85rem;
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      color: #0f172a;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: linear-gradient(90deg, #ff3366, #7928ca, #0070f3);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      max-width: 820px;
      margin: 0 auto 36px;
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.8;
    }

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

    .btn-hero-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #ff3366 0%, #ff5e3a 50%, #7928ca 100%);
      color: #ffffff;
      font-size: 1.1rem;
      font-weight: 700;
      padding: 16px 36px;
      border-radius: 999px;
      box-shadow: 0 10px 25px rgba(255, 51, 102, 0.4);
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 30px rgba(255, 51, 102, 0.5);
    }

    .btn-hero-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      color: var(--text-main);
      border: 2px solid #e2e8f0;
      font-size: 1.05rem;
      font-weight: 700;
      padding: 15px 32px;
      border-radius: 999px;
      box-shadow: var(--shadow-sm);
    }

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

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1060px;
      margin: 0 auto;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .hero-stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    }

    .hero-stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(121, 40, 202, 0.3);
    }

    .hero-stat-val {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .hero-stat-val .unit {
      font-size: 1rem;
      color: var(--primary-color);
      margin-left: 2px;
    }

    .hero-stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 全局Section标准 */
    .page-section {
      padding: 70px 0;
      border-bottom: 1px solid #edf2f7;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 800;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 4px 14px;
      border-radius: 999px;
      color: #ffffff;
      background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

    .about-text-wrap {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .about-text-wrap h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #1e293b;
    }

    .feature-points-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-top: 10px;
    }

    .feature-point-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 14px 18px;
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-sm);
    }

    .point-dot {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-color), var(--accent-amber));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-weight: 800;
      flex-shrink: 0;
      margin-top: 2px;
    }

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

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

    .banner-graphic-frame {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 3px solid #ffffff;
      position: relative;
    }

    /* 服务能力卡片与制作功能 */
    .grid-3-col {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(0, 112, 243, 0.4);
    }

    .card-badge {
      position: absolute;
      top: 18px;
      right: 18px;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: 999px;
      background: rgba(121, 40, 202, 0.1);
      color: var(--secondary-color);
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(255, 51, 102, 0.15), rgba(121, 40, 202, 0.15));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 18px;
      color: var(--primary-color);
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

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

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

    .chip-tag {
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 4px;
      background: #f1f5f9;
      color: #475569;
    }

    /* 行业方案展示 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .sol-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s;
    }

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

    .sol-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .sol-card h4::before {
      content: "";
      width: 6px;
      height: 16px;
      background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
      border-radius: 2px;
      display: inline-block;
    }

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

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

    .step-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-num {
      width: 44px;
      height: 44px;
      line-height: 44px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--accent-color), var(--accent-cyan));
      color: #ffffff;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .step-item h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 案例中心展示 */
    .cases-gallery {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 28px;
      align-items: center;
    }

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

    .case-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #f1f5f9;
      position: relative;
    }

    .case-body {
      padding: 24px;
    }

    .case-body h3 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .case-body p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .case-side-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .case-mini-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      gap: 16px;
      padding: 16px;
      box-shadow: var(--shadow-sm);
    }

    .case-mini-thumb {
      width: 130px;
      height: 95px;
      flex-shrink: 0;
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: #e2e8f0;
    }

    .case-mini-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-mini-info h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .case-mini-info p {
      font-size: 0.84rem;
      color: var(--text-muted);
      line-height: 1.45;
    }

    /* 对比评测板块 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #fff5f8 0%, #fbf5ff 50%, #f0f7ff 100%);
      border: 2px solid rgba(255, 51, 102, 0.2);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      margin-bottom: 30px;
    }

    .eval-top-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      border-bottom: 1px solid rgba(229, 231, 235, 0.8);
      padding-bottom: 24px;
      margin-bottom: 24px;
    }

    .score-badge-area {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-circle {
      width: 76px;
      height: 76px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ff3366, #ff5e3a);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 16px rgba(255, 51, 102, 0.35);
    }

    .score-val {
      font-size: 1.8rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-max {
      font-size: 0.72rem;
      opacity: 0.9;
    }

    .score-meta h4 {
      font-size: 1.35rem;
      font-weight: 800;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .stars-render {
      color: #ff9900;
      letter-spacing: 2px;
      font-size: 1.1rem;
    }

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

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

    .comparison-table th, .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .comparison-table th {
      background-color: #f8fafc;
      color: #334155;
      font-weight: 700;
    }

    .col-highlight {
      background-color: rgba(255, 51, 102, 0.03);
      color: var(--primary-color);
      font-weight: 700;
    }

    .badge-win {
      display: inline-block;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.78rem;
      background: #dcfce7;
      color: #15803d;
      font-weight: 700;
    }

    /* 需求匹配与Token比价 */
    .token-price-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-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: all 0.3s;
      position: relative;
    }

    .token-card.featured {
      border: 2px solid var(--primary-color);
      box-shadow: var(--shadow-md);
      transform: scale(1.02);
    }

    .token-card h4 {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: #1e293b;
    }

    .price-num {
      font-size: 2.3rem;
      font-weight: 900;
      color: var(--primary-color);
      margin-bottom: 12px;
    }

    .price-num span {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    .token-benefits {
      list-style: none;
      text-align: left;
      margin: 20px 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .token-benefits li::before {
      content: "✓";
      color: #10b981;
      font-weight: bold;
      margin-right: 8px;
    }

    /* 客户评价板块（6条） */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .testimonial-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(121, 40, 202, 0.3);
    }

    .quote-content {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      position: relative;
    }

    .quote-content::before {
      content: "“";
      font-size: 2.2rem;
      color: rgba(255, 51, 102, 0.2);
      line-height: 1;
      display: block;
      margin-bottom: -10px;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .avatar-initial {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .reviewer-info h4 {
      font-size: 0.96rem;
      font-weight: 700;
      color: #0f172a;
    }

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

    /* FAQ 折叠面板 */
    .faq-list-wrap {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .faq-trigger {
      width: 100%;
      text-align: left;
      padding: 18px 22px;
      background: none;
      border: none;
      font-size: 1.02rem;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-trigger:hover {
      color: var(--primary-color);
    }

    .faq-icon-arrow {
      font-size: 1.2rem;
      color: #94a3b8;
      transition: transform 0.3s;
    }

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

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background-color: #fbfcfe;
    }

    .faq-content-inner {
      padding: 0 22px 18px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 表单与联系板块 */
    .contact-wrapper-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .contact-info-col {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .contact-badge-box {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
    }

    .contact-badge-box h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .contact-list-text {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .qr-showcase {
      display: flex;
      align-items: center;
      gap: 16px;
      background: #fdf2f8;
      border: 1px solid rgba(255, 51, 102, 0.2);
      border-radius: var(--radius-md);
      padding: 16px;
    }

    .qr-img-box {
      width: 96px;
      height: 96px;
      border-radius: 6px;
      overflow: hidden;
      background: #ffffff;
      flex-shrink: 0;
    }

    .qr-details h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 4px;
    }

    .qr-details p {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

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

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

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

    .form-group label {
      font-size: 0.88rem;
      font-weight: 600;
      color: #334155;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.92rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: all 0.25s;
      background: #ffffff;
    }

    .form-control:focus {
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.15);
    }

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

    .btn-submit-form {
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
      color: #ffffff;
      border: none;
      padding: 14px 28px;
      font-size: 1rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(255, 51, 102, 0.3);
      transition: all 0.25s;
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255, 51, 102, 0.4);
    }

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

    .article-post-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.25s;
    }

    .article-post-card:hover {
      border-color: var(--accent-color);
      box-shadow: var(--shadow-md);
    }

    .article-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--accent-color);
      background: rgba(0, 112, 243, 0.08);
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 10px;
    }

    .article-post-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 8px;
      color: #0f172a;
    }

    .article-post-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 14px;
    }

    .article-link-btn {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary-color);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .article-sources-cloud {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 16px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      font-size: 0.85rem;
    }

    .article-sources-cloud span {
      font-weight: 700;
      color: #334155;
    }

    .article-sources-cloud a {
      color: var(--accent-color);
      text-decoration: underline;
    }

    /* 帮助中心与AI百科 */
    .encyclo-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

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

    .encyclo-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--secondary-color);
      margin-bottom: 8px;
    }

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

    /* 加盟代理与算力分润 */
    .agency-banner {
      background: linear-gradient(135deg, #7928ca 0%, #ff3366 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px 36px;
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    .agency-content h3 {
      font-size: 1.8rem;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .agency-content p {
      font-size: 1rem;
      opacity: 0.95;
      max-width: 650px;
      line-height: 1.6;
    }

    .agency-action-btn {
      background: #ffffff;
      color: #7928ca;
      font-weight: 800;
      padding: 14px 32px;
      border-radius: 999px;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
      white-space: nowrap;
    }

    .agency-action-btn:hover {
      transform: scale(1.04);
      background: #f8fafc;
    }

    /* 页脚标准 */
    .site-footer {
      background-color: #0f172a;
      color: #cbd5e1;
      padding-top: 50px;
      padding-bottom: 30px;
      border-top: 1px solid #1e293b;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 16px;
      position: relative;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      bottom: -6px;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--primary-color);
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
    }

    .footer-links-list a {
      color: #94a3b8;
    }

    .footer-links-list a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .footer-friendly-links {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-bottom: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      font-size: 0.85rem;
    }

    .footer-friendly-links span {
      color: #64748b;
      font-weight: 600;
    }

    .footer-friendly-links a {
      color: #94a3b8;
    }

    .footer-friendly-links a:hover {
      color: var(--accent-cyan);
    }

    .footer-bottom-bar {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.82rem;
      color: #64748b;
    }

    .footer-bottom-bar a {
      color: #64748b;
    }

    .footer-bottom-bar a:hover {
      color: #94a3b8;
    }

    /* 浮动客服挂件与返回顶部 */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-item-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;
      cursor: pointer;
      color: var(--primary-color);
      font-size: 1.25rem;
      position: relative;
      transition: all 0.25s;
    }

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

    .float-qr-popover {
      display: none;
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      border-radius: var(--radius-md);
      padding: 14px;
      width: 170px;
      text-align: center;
    }

    .float-item-btn:hover .float-qr-popover {
      display: block;
    }

    .float-qr-popover p {
      font-size: 0.75rem;
      color: #334155;
      margin-top: 6px;
      font-weight: 600;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.2rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .about-grid { grid-template-columns: 1fr; }
      .grid-3-col { grid-template-columns: repeat(2, 1fr); }
      .solutions-grid { grid-template-columns: repeat(2, 1fr); }
      .process-flow { grid-template-columns: repeat(2, 1fr); }
      .token-price-grid { grid-template-columns: 1fr; }
      .testimonials-grid { grid-template-columns: 1fr; }
      .articles-grid { grid-template-columns: 1fr; }
      .encyclo-grid { grid-template-columns: 1fr; }
      .cases-gallery { grid-template-columns: 1fr; }
      .contact-wrapper-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;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        padding: 16px 0;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 24px;
        border-radius: 0;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .header-actions .btn-nav-action {
        display: none;
      }
      .hero-title { font-size: 1.85rem; }
      .hero-stats-grid { grid-template-columns: 1fr; }
      .grid-3-col { grid-template-columns: 1fr; }
      .solutions-grid { grid-template-columns: 1fr; }
      .process-flow { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; }
      .float-dock { right: 12px; bottom: 20px; }
    }