/* ================= 基础重置与色彩定义 (糖果亮色风) ================= */
    :root {
      --candy-pink: #FF5E8E;
      --candy-purple: #8B5CF6;
      --candy-blue: #3B82F6;
      --candy-mint: #10B981;
      --candy-yellow: #F59E0B;
      --candy-coral: #FF7849;
      --candy-cyan: #06B6D4;
      
      --bg-light: #F8FAFC;
      --bg-candy-glow: radial-gradient(circle at 10% 20%, rgba(255, 94, 142, 0.08) 0%, transparent 40%),
                       radial-gradient(circle at 90% 80%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
                       radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 60%);
      --card-bg: rgba(255, 255, 255, 0.92);
      --card-border: rgba(226, 232, 240, 0.85);
      
      --text-main: #1E293B;
      --text-muted: #64748B;
      --text-light: #94A3B8;
      
      --shadow-sm: 0 4px 12px rgba(148, 163, 184, 0.1);
      --shadow-md: 0 10px 25px -5px rgba(148, 163, 184, 0.15), 0 8px 10px -6px rgba(148, 163, 184, 0.1);
      --shadow-lg: 0 20px 35px -10px rgba(139, 92, 246, 0.15);
      --shadow-candy: 0 10px 30px rgba(255, 94, 142, 0.2);
      
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-full: 9999px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      background-image: var(--bg-candy-glow);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    /* ================= 统一外层容器 ================= */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ================= 顶部导航 ================= */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--shadow-sm);
    }

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

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

    .brand-box .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

    /* 必须约束：.nav-links 的 gap 设置为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.925rem;
      font-weight: 600;
      color: var(--text-main);
      border-radius: var(--radius-full);
      transition: var(--transition);
    }

    .nav-links li a:hover {
      color: var(--candy-purple);
      background: rgba(139, 92, 246, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
    }

    .btn-candy {
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #FFFFFF !important;
      box-shadow: 0 4px 15px rgba(255, 94, 142, 0.35);
    }

    .btn-candy:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 94, 142, 0.45);
      color: #FFFFFF;
    }

    .btn-outline {
      background: #FFFFFF;
      color: var(--candy-purple) !important;
      border: 1.5px solid var(--candy-purple);
    }

    .btn-outline:hover {
      background: rgba(139, 92, 246, 0.06);
      transform: translateY(-2px);
    }

    .btn-cyan {
      background: linear-gradient(135deg, var(--candy-cyan), var(--candy-blue));
      color: #FFFFFF !important;
      box-shadow: 0 4px 15px rgba(6, 182, 212, 0.35);
    }

    .btn-cyan:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(6, 182, 212, 0.45);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* ================= 糖果风板块通用修饰 ================= */
    .section {
      padding: 80px 0;
      position: relative;
    }

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

    .candy-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
      background: #FFFFFF;
      box-shadow: var(--shadow-sm);
    }

    .badge-pink {
      color: var(--candy-pink);
      border: 1px solid rgba(255, 94, 142, 0.3);
    }

    .badge-blue {
      color: var(--candy-blue);
      border: 1px solid rgba(59, 130, 246, 0.3);
    }

    .badge-purple {
      color: var(--candy-purple);
      border: 1px solid rgba(139, 92, 246, 0.3);
    }

    .badge-mint {
      color: var(--candy-mint);
      border: 1px solid rgba(16, 185, 129, 0.3);
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* ================= Hero 首屏 (严格无图，纯代码纯色渐变卡片) ================= */
    .hero-section {
      padding: 80px 0 60px 0;
      text-align: center;
      position: relative;
    }

    .hero-container {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    /* H1 字数在20字内 */
    .hero-h1 {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      letter-spacing: -0.5px;
      margin: 18px 0 20px 0;
      color: var(--text-main);
    }

    .hero-h1-gradient {
      background: linear-gradient(120deg, var(--candy-pink), var(--candy-purple), var(--candy-blue));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 1.2rem;
      color: var(--text-muted);
      max-width: 820px;
      margin-bottom: 36px;
      line-height: 1.8;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .btn-hero-official {
      padding: 16px 36px;
      font-size: 1.15rem;
      font-weight: 800;
      background: linear-gradient(135deg, #FF4572, #FF7849);
      color: #FFFFFF !important;
      border-radius: var(--radius-full);
      box-shadow: 0 10px 30px rgba(255, 69, 114, 0.4);
      transform: translateY(0);
      animation: pulseBounce 3s infinite ease-in-out;
    }

    @keyframes pulseBounce {
      0%, 100% { transform: translateY(0); box-shadow: 0 10px 30px rgba(255, 69, 114, 0.4); }
      50% { transform: translateY(-4px); box-shadow: 0 15px 35px rgba(255, 69, 114, 0.55); }
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      width: 100%;
      margin-top: 10px;
    }

    .hero-stat-card {
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .hero-stat-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: var(--candy-purple);
    }

    .hero-stat-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--candy-pink), var(--candy-purple), var(--candy-blue));
    }

    .stat-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      display: block;
      margin-bottom: 6px;
      font-feature-settings: "tnum";
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* ================= 平台支持的大模型标签云 ================= */
    .models-bar {
      padding: 24px 0 40px;
    }

    .models-scroll-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      padding: 16px;
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--card-border);
      box-shadow: var(--shadow-sm);
    }

    .model-chip {
      padding: 6px 14px;
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      background: var(--bg-light);
      color: var(--text-main);
      border: 1px solid rgba(226, 232, 240, 0.9);
      transition: var(--transition);
    }

    .model-chip:hover {
      background: linear-gradient(135deg, rgba(255,94,142,0.1), rgba(139,92,246,0.1));
      color: var(--candy-purple);
      border-color: var(--candy-purple);
      transform: scale(1.05);
    }

    /* ================= 关于我们 / 平台介绍 ================= */
    .about-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--card-border);
      padding: 48px;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .about-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      margin-top: 36px;
    }

    .about-item {
      padding: 24px;
      border-radius: var(--radius-md);
      background: var(--bg-light);
      border: 1px solid rgba(226, 232, 240, 0.6);
      transition: var(--transition);
    }

    .about-item:hover {
      background: #FFFFFF;
      box-shadow: var(--shadow-sm);
      transform: translateY(-4px);
    }

    .about-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 16px;
    }

    .icon-pink { background: rgba(255, 94, 142, 0.12); color: var(--candy-pink); }
    .icon-purple { background: rgba(139, 92, 246, 0.12); color: var(--candy-purple); }
    .icon-blue { background: rgba(59, 130, 246, 0.12); color: var(--candy-blue); }
    .icon-mint { background: rgba(16, 185, 129, 0.12); color: var(--candy-mint); }
    .icon-coral { background: rgba(255, 120, 73, 0.12); color: var(--candy-coral); }
    .icon-cyan { background: rgba(6, 182, 212, 0.12); color: var(--candy-cyan); }

    .about-item h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .about-item p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ================= AIGC 核心服务 & 一站式制作 (卡片矩阵) ================= */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(139, 92, 246, 0.4);
    }

    .service-top {
      margin-bottom: 20px;
    }

    .service-tag {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-full);
      display: inline-block;
      margin-bottom: 12px;
    }

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

    .service-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    .service-features {
      margin-top: 18px;
      padding-top: 16px;
      border-top: 1px dashed rgba(226, 232, 240, 0.9);
      list-style: none;
    }

    .service-features li {
      font-size: 0.85rem;
      color: var(--text-main);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .service-features li::before {
      content: '✓';
      color: var(--candy-mint);
      font-weight: bold;
    }

    /* ================= 行业方案与对比评测 ================= */
    .compare-container {
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      overflow-x: auto;
    }

    .rating-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(135deg, rgba(255,94,142,0.1), rgba(139,92,246,0.1));
      border: 1px solid rgba(255,94,142,0.3);
      border-radius: var(--radius-md);
      padding: 24px 30px;
      margin-bottom: 30px;
      flex-wrap: wrap;
      gap: 16px;
    }

    .rating-score-box {
      display: flex;
      align-items: baseline;
      gap: 10px;
    }

    .score-num {
      font-size: 3rem;
      font-weight: 900;
      color: var(--candy-pink);
      line-height: 1;
    }

    .score-max {
      font-size: 1.1rem;
      color: var(--text-muted);
      font-weight: 700;
    }

    .stars {
      color: var(--candy-yellow);
      font-size: 1.5rem;
      letter-spacing: 3px;
    }

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

    .compare-table th,
    .compare-table td {
      padding: 18px 20px;
      font-size: 0.95rem;
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    }

    .compare-table th {
      background: var(--bg-light);
      font-weight: 750;
      color: var(--text-main);
    }

    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background: rgba(139, 92, 246, 0.04);
      font-weight: 700;
      color: var(--candy-purple);
    }

    .badge-win {
      background: rgba(16, 185, 129, 0.15);
      color: var(--candy-mint);
      padding: 4px 10px;
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      font-weight: 700;
    }

    /* ================= Token 比价板块 ================= */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

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

    .token-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
    }

    .token-model-name {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--candy-coral);
      margin-bottom: 6px;
    }

    .token-unit {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      display: block;
    }

    .token-tag {
      background: rgba(255, 120, 73, 0.12);
      color: var(--candy-coral);
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      font-weight: 700;
      display: inline-block;
    }

    /* ================= 标准制作流程 (时间线/步骤) ================= */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .step-card {
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
    }

    .step-card:hover {
      transform: translateY(-4px);
      border-color: var(--candy-blue);
    }

    .step-badge {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-blue), var(--candy-purple));
      color: #FFFFFF;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px auto;
    }

    .step-card h4 {
      font-size: 1rem;
      font-weight: 750;
      margin-bottom: 8px;
    }

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

    /* ================= 案例中心 (素材图与真实展示) ================= */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--card-border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .case-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .case-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #F1F5F9;
      position: relative;
    }

    .case-img-wrap img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

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

    .case-content {
      padding: 24px;
    }

    .case-content h4 {
      font-size: 1.2rem;
      font-weight: 750;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .case-content p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .banner-display-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-top: 24px;
    }

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

    .review-card {
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--candy-pink);
    }

    .review-stars {
      color: var(--candy-yellow);
      margin-bottom: 12px;
      font-size: 1.1rem;
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid rgba(226, 232, 240, 0.7);
      padding-top: 16px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--candy-pink), var(--candy-purple));
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 750;
      font-size: 1.05rem;
    }

    .reviewer-meta h5 {
      font-size: 0.95rem;
      font-weight: 750;
      color: var(--text-main);
    }

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

    /* ================= 加盟代理与被动收益 ================= */
    .agency-card {
      background: linear-gradient(135deg, #FFF0F5 0%, #F5F3FF 100%);
      border: 2px solid rgba(255, 94, 142, 0.3);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-md);
      text-align: center;
    }

    .agency-benefits {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin: 36px 0;
      text-align: left;
    }

    .benefit-item {
      background: #FFFFFF;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.9);
      box-shadow: var(--shadow-sm);
    }

    .benefit-item h4 {
      font-size: 1.05rem;
      color: var(--candy-pink);
      margin-bottom: 8px;
      font-weight: 750;
    }

    .benefit-item p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* ================= 常见问题 FAQ 折叠手风琴 ================= */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 750;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-question:hover {
      color: var(--candy-purple);
      background: rgba(139, 92, 246, 0.02);
    }

    .faq-icon {
      font-size: 1.3rem;
      font-weight: 300;
      transition: transform 0.3s ease;
      color: var(--candy-purple);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: var(--bg-light);
      padding: 0 24px;
    }

    .faq-answer p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      padding-bottom: 20px;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 12px 24px 20px 24px;
    }

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

    /* ================= 行业资讯 & AI百科 ================= */
    .news-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 28px;
    }

    .news-box, .wiki-box {
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .article-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-top: 18px;
    }

    .article-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 16px;
      background: var(--bg-light);
      border-radius: var(--radius-md);
      font-size: 0.925rem;
      font-weight: 600;
      color: var(--text-main);
      border: 1px solid transparent;
    }

    .article-list li a:hover {
      border-color: var(--candy-purple);
      background: #FFFFFF;
      color: var(--candy-purple);
      transform: translateX(4px);
    }

    /* ================= 需求匹配与联系我们表单 ================= */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-md);
    }

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

    .contact-details {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin: 24px 0;
    }

    .contact-detail-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .contact-detail-row strong {
      color: var(--candy-purple);
    }

    .qr-box {
      display: flex;
      align-items: center;
      gap: 18px;
      background: var(--bg-light);
      padding: 18px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(226, 232, 240, 0.8);
      margin-top: 16px;
    }

    .qr-box img {
      width: 100px;
      height: 100px;
      border-radius: var(--radius-sm);
      background: #FFF;
      padding: 4px;
      border: 1px solid var(--card-border);
    }

    .qr-text h5 {
      font-size: 1rem;
      font-weight: 750;
      margin-bottom: 4px;
    }

    .qr-text p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 表单组件 */
    .contact-form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

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

    .form-group label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1.5px solid rgba(203, 213, 225, 0.8);
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      font-family: inherit;
      color: var(--text-main);
      background: var(--bg-light);
      transition: var(--transition);
      outline: none;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--candy-purple);
      background: #FFFFFF;
      box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
    }

    .form-textarea {
      resize: vertical;
      min-height: 110px;
    }

    /* ================= 友情链接 ================= */
    .friend-links-box {
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 28px 36px;
      box-shadow: var(--shadow-sm);
      margin-top: 40px;
    }

    .friend-links-box h4 {
      font-size: 1.05rem;
      font-weight: 750;
      margin-bottom: 14px;
      color: var(--text-main);
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friend-links-wrap a {
      padding: 6px 14px;
      background: var(--bg-light);
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-radius: var(--radius-full);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    .friend-links-wrap a:hover {
      color: var(--candy-purple);
      border-color: var(--candy-purple);
      background: #FFFFFF;
    }

    /* ================= 页脚 (强制显式深色文字高对比度) ================= */
    .site-footer {
      background: #FFFFFF;
      border-top: 1px solid rgba(226, 232, 240, 0.9);
      padding: 50px 0 30px 0;
      margin-top: 60px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    }

    .footer-col h5 {
      font-size: 1rem;
      font-weight: 750;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .footer-col p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

    .footer-links li a {
      font-size: 0.875rem;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .footer-links li a:hover {
      color: var(--candy-purple);
      padding-left: 4px;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 24px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .ai-page-home-link {
      font-weight: 700;
      color: var(--candy-purple) !important;
    }

    /* ================= 悬浮客服与返回顶部 ================= */
    .float-toolbar {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #FFFFFF;
      border: 1px solid var(--card-border);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1.2rem;
      color: var(--candy-purple);
      transition: var(--transition);
    }

    .float-btn:hover {
      background: var(--candy-purple);
      color: #FFFFFF;
      transform: scale(1.1);
    }

    /* ================= 响应式媒体查询 ================= */
    @media (max-width: 1024px) {
      .hero-stats-grid, .token-grid, .agency-benefits {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid, .about-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-h1 {
        font-size: 2.1rem;
      }
      .nav-links, .nav-actions {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .site-header.nav-open .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        padding: 20px 24px;
        border-bottom: 1px solid var(--card-border);
        box-shadow: var(--shadow-md);
      }
      .site-header.nav-open .nav-links li a {
        width: 100%;
        padding: 12px 0;
      }
      .hero-stats-grid, .service-grid, .about-grid, .case-grid, .reviews-grid, .banner-display-grid, .news-grid, .contact-wrapper, .token-grid, .agency-benefits {
        grid-template-columns: 1fr;
      }
      .process-steps {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }