:root {
      --primary-color: #4f46e5;
      --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      --accent-cyan: #06b6d4;
      --accent-pink: #f43f5e;
      --accent-amber: #f59e0b;
      --accent-green: #10b981;
      --bg-main: #f8fafc;
      --bg-white: #ffffff;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-focus: #6366f1;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 20px 30px -10px rgba(99, 102, 241, 0.15);
      --shadow-vibrant: 0 12px 28px -6px rgba(236, 72, 153, 0.3);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    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-main);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      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, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition-normal);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }
    .brand-text {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-badge {
      background: linear-gradient(135deg, #f43f5e, #ec4899);
      color: #ffffff;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: var(--radius-full);
      text-transform: uppercase;
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 0;
    }
    .nav-item a,
    .ai-page-home-link {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-muted);
      font-size: 0.95rem;
      font-weight: 600;
      text-decoration: none;
      transition: var(--transition-normal);
      border-radius: var(--radius-sm);
    }
    .nav-item a:hover,
    .ai-page-home-link:hover {
      color: var(--primary-color);
      background-color: rgba(79, 70, 229, 0.08);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-left: 16px;
    }
    .btn-header-visit {
      background: var(--primary-gradient);
      color: #ffffff !important;
      padding: 9px 20px;
      font-size: 0.92rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
      transition: var(--transition-normal);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-header-visit:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(236, 72, 153, 0.45);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }
    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 3px;
      margin: 5px 0;
      background-color: var(--text-main);
      border-radius: 2px;
      transition: var(--transition-normal);
    }

    /* Hero 首屏 - 纯代码几何科技质感，禁止任何图片 */
    .hero-section {
      position: relative;
      background: radial-gradient(circle at 85% 15%, rgba(236, 72, 153, 0.12) 0%, transparent 40%),
                  radial-gradient(circle at 15% 85%, rgba(6, 182, 212, 0.12) 0%, transparent 40%),
                  linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
      padding: 80px 0 90px;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid rgba(124, 58, 237, 0.25);
      box-shadow: var(--shadow-sm);
      padding: 6px 16px;
      border-radius: var(--radius-full);
      margin-bottom: 24px;
    }
    .hero-badge-tag {
      background: linear-gradient(135deg, #f59e0b, #f43f5e);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .hero-badge-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      font-weight: 600;
    }
    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-title .highlight-text {
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 50%, #f59e0b 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin-bottom: 36px;
      line-height: 1.8;
    }
    .hero-btn-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-bottom: 50px;
    }
    .btn-main-action {
      background: linear-gradient(135deg, #e11d48, #ec4899, #8b5cf6);
      color: #ffffff;
      padding: 16px 36px;
      font-size: 1.12rem;
      font-weight: 800;
      border-radius: var(--radius-full);
      text-decoration: none;
      box-shadow: 0 10px 25px rgba(225, 29, 72, 0.4);
      transition: var(--transition-normal);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      animation: pulseGlow 2.5s infinite;
    }
    @keyframes pulseGlow {
      0%, 100% { transform: scale(1); box-shadow: 0 10px 25px rgba(225, 29, 72, 0.4); }
      50% { transform: scale(1.02); box-shadow: 0 14px 32px rgba(236, 72, 153, 0.6); }
    }
    .btn-main-action:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 16px 36px rgba(225, 29, 72, 0.55);
    }
    .btn-secondary-action {
      background: #ffffff;
      color: var(--text-main);
      padding: 16px 30px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      text-decoration: none;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
    }
    .btn-secondary-action:hover {
      border-color: var(--primary-color);
      color: var(--primary-color);
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }

    /* 首屏数据指标卡片群 (纯CSS几何质感) */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .stat-card {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-radius: var(--radius-md);
      padding: 22px 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
      position: relative;
      overflow: hidden;
    }
    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: var(--primary-gradient);
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }
    .stat-num {
      font-size: 1.9rem;
      font-weight: 900;
      color: var(--text-main);
      display: flex;
      align-items: baseline;
      gap: 4px;
      margin-bottom: 4px;
    }
    .stat-num span.accent-pink { color: var(--accent-pink); }
    .stat-num span.accent-cyan { color: var(--accent-cyan); }
    .stat-num span.accent-violet { color: #7c3aed; }
    .stat-num span.accent-amber { color: var(--accent-amber); }
    .stat-label {
      font-size: 0.92rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 通用板块与排版 */
    .section-spacing {
      padding: 85px 0;
      position: relative;
    }
    .section-spacing-alt {
      background: #ffffff;
      padding: 85px 0;
      position: relative;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }
    .section-badge {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 800;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      background: rgba(99, 102, 241, 0.1);
      color: var(--primary-color);
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 模型矩阵徽章墙 */
    .model-tags-wall {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 30px;
    }
    .model-tag {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .model-tag .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-cyan);
    }
    .model-tag:hover {
      border-color: var(--primary-color);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(79, 70, 229, 0.15);
      color: var(--primary-color);
    }

    /* 服务能力卡片 3列 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(124, 58, 237, 0.4);
    }
    .service-icon-box {
      width: 58px;
      height: 58px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 20px;
      color: #fff;
    }
    .bg-grad-1 { background: linear-gradient(135deg, #ec4899, #f43f5e); }
    .bg-grad-2 { background: linear-gradient(135deg, #7c3aed, #4f46e5); }
    .bg-grad-3 { background: linear-gradient(135deg, #06b6d4, #3b82f6); }
    .bg-grad-4 { background: linear-gradient(135deg, #10b981, #059669); }
    .bg-grad-5 { background: linear-gradient(135deg, #f59e0b, #d97706); }
    .bg-grad-6 { background: linear-gradient(135deg, #8b5cf6, #ec4899); }

    .service-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .service-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .service-features {
      list-style: none;
      padding: 0;
      margin-bottom: 20px;
    }
    .service-features li {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .service-features li::before {
      content: "✓";
      color: var(--accent-green);
      font-weight: 900;
    }

    /* 场景矩阵 4列卡片组 */
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .matrix-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
    }
    .matrix-card:hover {
      border-color: var(--accent-cyan);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .matrix-card-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }
    .matrix-name {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-main);
    }
    .matrix-tag {
      font-size: 0.72rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      background: rgba(6, 182, 212, 0.12);
      color: #0891b2;
    }
    .matrix-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 标准流程 4步 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .process-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px 22px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .process-badge-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #fff;
      font-size: 1.25rem;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
    }
    .process-title {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .process-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 案例展示区 (含素材图) */
    .showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }
    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
      display: flex;
      flex-direction: column;
    }
    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }
    .case-media-box {
      width: 100%;
      overflow: hidden;
      background: #f1f5f9;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .case-media-box img {
      width: 100%;
      height: auto;
      max-height: 280px;
      object-fit: cover;
      display: block;
      transition: transform 0.5s ease;
    }
    .case-card:hover .case-media-box img {
      transform: scale(1.03);
    }
    .case-content {
      padding: 24px;
      flex-grow: 1;
    }
    .case-label {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--accent-pink);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 8px;
    }
    .case-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .case-summary {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 对比评测卡片与表格 */
    .rating-banner-box {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      color: #ffffff;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: 0 15px 35px rgba(49, 46, 129, 0.25);
    }
    .rating-left h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: #ffffff;
    }
    .rating-left p {
      font-size: 1rem;
      color: #cbd5e1;
      max-width: 600px;
    }
    .rating-score-badge {
      text-align: right;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 18px 28px;
      border-radius: var(--radius-md);
      backdrop-filter: blur(8px);
    }
    .score-big {
      font-size: 3rem;
      font-weight: 900;
      color: #fbbf24;
      line-height: 1;
      margin-bottom: 4px;
    }
    .score-sub {
      font-size: 0.88rem;
      color: #e2e8f0;
      font-weight: 600;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }
    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }
    .comparison-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 800;
    }
    .comparison-table tr:last-child td {
      border-bottom: none;
    }
    .highlight-cell {
      background: rgba(99, 102, 241, 0.05);
      color: var(--primary-color);
      font-weight: 700;
    }
    .status-good {
      color: var(--accent-green);
      font-weight: 700;
    }
    .status-bad {
      color: var(--text-light);
    }

    /* Token 比价板块 */
    .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: 30px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }
    .token-card.featured {
      border-color: #ec4899;
      box-shadow: var(--shadow-vibrant);
    }
    .token-popular-tag {
      position: absolute;
      top: -12px;
      right: 20px;
      background: linear-gradient(135deg, #f43f5e, #ec4899);
      color: #fff;
      font-size: 0.72rem;
      font-weight: 800;
      padding: 3px 10px;
      border-radius: var(--radius-full);
      text-transform: uppercase;
    }
    .token-plan-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 16px;
      display: flex;
      align-items: baseline;
      gap: 4px;
    }
    .token-price span {
      font-size: 0.9rem;
      color: var(--text-light);
      font-weight: normal;
    }
    .token-card-features {
      list-style: none;
      padding: 0;
      margin-bottom: 24px;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
    }
    .token-card-features li {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 客户评价 6条 */
    .testimonial-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: 26px 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition-normal);
    }
    .testimonial-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.3);
    }
    .testimonial-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 20px;
      position: relative;
    }
    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }
    .user-avatar-initial {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #fff;
      font-weight: 800;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .user-name {
      font-weight: 800;
      font-size: 0.95rem;
      color: var(--text-main);
    }
    .user-role {
      font-size: 0.82rem;
      color: var(--text-light);
    }

    /* FAQ 折叠面板 (不少于10条) */
    .faq-wrapper {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
    }
    .faq-item:hover {
      border-color: rgba(99, 102, 241, 0.4);
    }
    .faq-question {
      width: 100%;
      padding: 18px 22px;
      background: none;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      text-align: left;
    }
    .faq-toggle-icon {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--primary-color);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #fafafa;
    }
    .faq-item.active .faq-answer {
      max-height: 260px;
      padding: 0 22px 20px 22px;
    }
    .faq-answer p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* AI百科 & 行业资讯 */
    .baike-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .baike-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
    }
    .baike-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent-pink);
    }
    .baike-term {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .baike-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    .article-links-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .article-list {
      list-style: none;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 16px;
    }
    .article-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 10px 14px;
      background: #f8fafc;
      border-radius: var(--radius-sm);
      transition: var(--transition-normal);
    }
    .article-list li a:hover {
      background: rgba(99, 102, 241, 0.08);
      color: var(--primary-color);
      transform: translateX(4px);
    }

    /* 加盟代理与被动收益板块 */
    .agency-banner {
      background: radial-gradient(circle at top right, rgba(244, 63, 94, 0.15), transparent 50%),
                  radial-gradient(circle at bottom left, rgba(124, 58, 237, 0.15), transparent 50%),
                  #ffffff;
      border: 2px solid rgba(124, 58, 237, 0.2);
      border-radius: var(--radius-lg);
      padding: 45px 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .agency-title {
      font-size: 2rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .agency-list {
      list-style: none;
      padding: 0;
      margin-bottom: 24px;
    }
    .agency-list li {
      font-size: 0.96rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .agency-list li span.check {
      color: #ec4899;
      font-weight: 900;
    }
    .agency-perks-box {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
    }
    .agency-perk-item {
      margin-bottom: 16px;
    }
    .agency-perk-item:last-child {
      margin-bottom: 0;
    }
    .agency-perk-title {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .agency-perk-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 需求表单与联系我们板块 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      gap: 36px;
      align-items: start;
    }
    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 34px 28px;
      box-shadow: var(--shadow-sm);
    }
    .contact-detail-row {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 22px;
    }
    .contact-icon-badge {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: rgba(99, 102, 241, 0.1);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
    }
    .contact-detail-content h4 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 2px;
    }
    .contact-detail-content p, 
    .contact-detail-content a {
      font-size: 0.92rem;
      color: var(--text-muted);
      text-decoration: none;
    }
    .qr-showcase {
      margin-top: 24px;
      padding-top: 20px;
      border-top: 1px dashed var(--border-color);
      text-align: center;
    }
    .qr-showcase img {
      max-width: 140px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      padding: 4px;
      background: #fff;
    }
    .qr-showcase p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-top: 8px;
    }

    .form-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 36px 32px;
      box-shadow: var(--shadow-sm);
    }
    .form-title {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-subtitle {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: #f8fafc;
      color: var(--text-main);
      transition: var(--transition-normal);
      outline: none;
      font-family: inherit;
    }
    .form-control:focus {
      border-color: var(--border-focus);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }
    .btn-submit {
      width: 100%;
      background: var(--primary-gradient);
      color: #ffffff;
      border: none;
      padding: 14px 24px;
      font-size: 1.05rem;
      font-weight: 800;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
      transition: var(--transition-normal);
    }
    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 25px rgba(236, 72, 153, 0.45);
    }

    /* 底部通用规范 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }
    .footer-content-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-col-title {
      font-size: 1.1rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 18px;
    }
    .footer-desc {
      font-size: 0.92rem;
      line-height: 1.7;
      color: #94a3b8;
      max-width: 360px;
    }
    .footer-links-group {
      list-style: none;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links-group a {
      color: #cbd5e1;
      text-decoration: none;
      font-size: 0.92rem;
      transition: var(--transition-normal);
    }
    .footer-links-group a:hover {
      color: #38bdf8;
      padding-left: 4px;
    }
    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 8px;
    }
    .friend-links-wrap a {
      color: #94a3b8;
      font-size: 0.88rem;
      text-decoration: none;
      background: #1e293b;
      padding: 5px 12px;
      border-radius: var(--radius-sm);
      transition: var(--transition-normal);
    }
    .friend-links-wrap a:hover {
      color: #ffffff;
      background: #334155;
    }
    .footer-bottom-bar {
      padding-top: 24px;
      border-top: 1px solid #1e293b;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动工具栏与微信客服弹层 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .tool-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(--text-main);
      font-weight: 700;
      transition: var(--transition-normal);
      text-decoration: none;
    }
    .tool-btn:hover {
      background: var(--primary-color);
      color: #ffffff;
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
    }
    .tool-btn.highlight {
      background: linear-gradient(135deg, #f43f5e, #ec4899);
      color: #ffffff;
      border: none;
    }

    /* 弹窗样式 */
    .qr-modal-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(15, 23, 42, 0.6);
      backdrop-filter: blur(4px);
      z-index: 2000;
      align-items: center;
      justify-content: center;
    }
    .qr-modal-box {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 30px;
      max-width: 320px;
      width: 90%;
      text-align: center;
      box-shadow: var(--shadow-lg);
      position: relative;
      animation: modalFadeIn 0.3s ease;
    }
    @keyframes modalFadeIn {
      from { opacity: 0; transform: scale(0.95); }
      to { opacity: 1; transform: scale(1); }
    }
    .qr-modal-close {
      position: absolute;
      top: 12px;
      right: 14px;
      background: none;
      border: none;
      font-size: 1.4rem;
      cursor: pointer;
      color: var(--text-light);
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.2rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .process-timeline { grid-template-columns: repeat(2, 1fr); }
      .token-price-grid { grid-template-columns: 1fr; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .baike-grid { grid-template-columns: 1fr; }
      .agency-banner { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .footer-content-grid { grid-template-columns: 1fr; gap: 30px; }
      
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active { display: flex; }
      .nav-item { width: 100%; }
      .nav-item a, .ai-page-home-link { width: 100%; padding: 12px 14px; }
      .mobile-menu-btn { display: block; }
    }

    @media (max-width: 640px) {
      .hero-title { font-size: 1.8rem; }
      .hero-stats-grid { grid-template-columns: 1fr; }
      .grid-3 { grid-template-columns: 1fr; }
      .grid-4 { grid-template-columns: 1fr; }
      .process-timeline { grid-template-columns: 1fr; }
      .showcase-grid { grid-template-columns: 1fr; }
      .rating-banner-box { padding: 24px; text-align: left; }
      .rating-score-badge { text-align: left; width: 100%; }
      .agency-banner { padding: 24px 20px; }
      .form-card { padding: 24px 18px; }
    }