/* ========== 高饱和艳彩风 CSS 规范与全局重置 ========== */
    :root {
      --primary: #4f46e5;
      --primary-vibrant: #6366f1;
      --accent-magenta: #ec4899;
      --accent-cyan: #06b6d4;
      --accent-purple: #8b5cf6;
      --accent-amber: #f59e0b;
      --accent-emerald: #10b981;
      --bg-page: #f8fafc;
      --bg-surface: #ffffff;
      --bg-glass: rgba(255, 255, 255, 0.88);
      --text-dark: #0f172a;
      --text-body: #334155;
      --text-muted: #64748b;
      --border-light: rgba(99, 102, 241, 0.15);
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(99, 102, 241, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --shadow-vibrant: 0 20px 35px -10px rgba(79, 70, 229, 0.22), 0 1px 3px rgba(236, 72, 153, 0.15);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      background-image: 
        radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 10%, rgba(236, 72, 153, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(6, 182, 212, 0.05) 0px, transparent 60%),
        radial-gradient(at 0% 100%, rgba(139, 92, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(245, 158, 11, 0.06) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-body);
      line-height: 1.65;
      overflow-x: hidden;
    }

    /* 统一居中容器 */
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 排版与标题层级 */
    h1, h2, h3, h4, h5 {
      color: var(--text-dark);
      font-weight: 700;
      line-height: 1.3;
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(236, 72, 153, 0.12));
      border: 1px solid rgba(99, 102, 241, 0.3);
      border-radius: 9999px;
      color: var(--primary);
      font-size: 0.875rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      margin-bottom: 14px;
      position: relative;
    }

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

    .section-padding {
      padding: 80px 0;
    }

    /* ========== 顶部导航 ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--bg-glass);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(99, 102, 241, 0.15);
      transition: var(--transition);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .brand-logo img {
      max-height: 44px;
      width: auto;
      object-fit: contain;
    }

    .brand-name {
      font-size: 1.35rem;
      font-weight: 800;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 严格按要求设置为 0 */
      list-style: none;
    }

    .nav-links li a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-dark);
      text-decoration: none;
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: rgba(99, 102, 241, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: var(--radius-sm);
      text-decoration: none;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.45);
      color: #ffffff;
    }

    .btn-outline {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(255, 255, 255, 0.9);
    }

    .btn-outline:hover {
      background: rgba(79, 70, 229, 0.08);
      transform: translateY(-2px);
    }

    .btn-sm {
      padding: 6px 14px;
      font-size: 0.85rem;
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      font-size: 1.5rem;
      color: var(--text-dark);
      cursor: pointer;
      padding: 8px;
    }

    /* ========== 首屏 HERO (严格纯CSS科技感，无图片) ========== */
    .hero-section {
      padding: 70px 0 90px;
      position: relative;
      overflow: hidden;
    }

    .hero-inner {
      text-align: center;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 20px;
      background: #ffffff;
      border: 1.5px solid #ec4899;
      box-shadow: 0 0 20px rgba(236, 72, 153, 0.2);
      border-radius: 9999px;
      color: #be185d;
      font-weight: 700;
      font-size: 0.95rem;
      margin-bottom: 24px;
      animation: pulseGlow 3s infinite alternate;
    }

    @keyframes pulseGlow {
      0% { box-shadow: 0 0 10px rgba(99, 102, 241, 0.2); }
      100% { box-shadow: 0 0 25px rgba(236, 72, 153, 0.4); }
    }

    .hero-title {
      font-size: clamp(2.2rem, 5vw, 3.4rem);
      font-weight: 900;
      letter-spacing: -0.5px;
      margin-bottom: 20px;
      color: var(--text-dark);
    }

    .hero-subtitle {
      font-size: clamp(1.05rem, 2vw, 1.25rem);
      color: var(--text-body);
      max-width: 820px;
      margin: 0 auto 36px;
      font-weight: 500;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .hero-cta-group .btn-lg {
      padding: 14px 36px;
      font-size: 1.1rem;
      border-radius: 12px;
    }

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

    .stat-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-vibrant);
      border-color: var(--accent-magenta);
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, #4f46e5, #06b6d4, #ec4899);
    }

    .stat-val {
      font-size: 2.2rem;
      font-weight: 900;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.1;
      margin-bottom: 6px;
    }

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

    /* ========== 多模型矩阵展示云 ========== */
    .model-matrix-bar {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-top: 40px;
      box-shadow: var(--shadow-sm);
    }

    .matrix-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-muted);
      margin-bottom: 16px;
      text-align: center;
      letter-spacing: 0.5px;
    }

    .tags-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .model-tag {
      display: inline-block;
      padding: 6px 14px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #312e81;
      background: #eef2ff;
      border: 1px solid #c7d2fe;
      border-radius: 6px;
      transition: var(--transition);
    }

    .model-tag:hover {
      background: linear-gradient(135deg, #4f46e5, #7c3aed);
      color: #ffffff;
      border-color: #4f46e5;
      transform: translateY(-2px);
    }

    /* ========== 通用卡片与网格系统 ========== */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }

    .feature-card {
      background: var(--bg-surface);
      border: 1px solid rgba(99, 102, 241, 0.12);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-vibrant);
      border-color: rgba(236, 72, 153, 0.4);
    }

    .feature-icon-badge {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 20px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.15), rgba(236, 72, 153, 0.15));
      border: 1px solid rgba(99, 102, 241, 0.2);
    }

    .feature-title {
      font-size: 1.25rem;
      margin-bottom: 12px;
      font-weight: 700;
    }

    .feature-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* ========== 行业方案与场景矩阵 (20+高价值场景卡片) ========== */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scenario-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      border-left: 4px solid var(--primary);
    }

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

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

    .scenario-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-dark);
    }

    .scenario-pill {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 9999px;
      background: rgba(6, 182, 212, 0.12);
      color: #0891b2;
    }

    .scenario-desc {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.55;
    }

    /* ========== 案例展示区 (含指定素材图) ========== */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
      align-items: stretch;
    }

    .case-image-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .case-image-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-vibrant);
    }

    .case-img-wrap {
      width: 100%;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .case-img-wrap img {
      width: 100%;
      height: auto;
      max-height: 280px;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .case-image-card:hover .case-img-wrap img {
      transform: scale(1.03);
    }

    .case-info {
      padding: 22px;
      flex-grow: 1;
    }

    .case-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
    }

    .banners-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .banner-thumb {
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border-light);
      background: #fff;
    }

    .banner-thumb img {
      width: 100%;
      height: auto;
      display: block;
      transition: var(--transition);
    }

    .banner-thumb:hover img {
      transform: scale(1.05);
    }

    /* ========== 对比评测板块 (五星 9.9分) ========== */
    .eval-highlight-box {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      color: #ffffff;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: 0 20px 40px rgba(49, 46, 129, 0.35);
    }

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

    .score-circle {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ec4899, #f59e0b);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      box-shadow: 0 0 25px rgba(236, 72, 153, 0.5);
    }

    .score-val {
      font-size: 1.9rem;
      line-height: 1;
    }

    .score-total {
      font-size: 0.75rem;
      opacity: 0.9;
    }

    .eval-meta h3 {
      color: #ffffff;
      font-size: 1.4rem;
      margin-bottom: 6px;
    }

    .stars-render {
      color: #f59e0b;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }

    .comparison-table-wrap {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .comp-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .comp-table th, .comp-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
      font-size: 0.95rem;
    }

    .comp-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-dark);
    }

    .comp-table th.highlight-col, .comp-table td.highlight-col {
      background: rgba(79, 70, 229, 0.04);
      font-weight: 700;
      color: var(--primary);
    }

    .badge-win {
      display: inline-block;
      padding: 4px 10px;
      background: #dcfce7;
      color: #15803d;
      border-radius: 4px;
      font-size: 0.8rem;
      font-weight: 700;
    }

    /* ========== 标准流程与时间线 ========== */
    .steps-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

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

    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-magenta));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin: 0 auto 16px;
      box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    }

    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* ========== Token比价与低价API板块 ========== */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }

    .pricing-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 36px 28px;
      display: flex;
      flex-direction: column;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .pricing-card.featured {
      border: 2px solid var(--accent-magenta);
      box-shadow: var(--shadow-vibrant);
      transform: scale(1.02);
    }

    .pricing-card.featured::after {
      content: "最具性价比";
      position: absolute;
      top: -14px;
      right: 24px;
      background: linear-gradient(135deg, #ec4899, #f59e0b);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 9999px;
    }

    .pricing-head {
      margin-bottom: 24px;
      text-align: center;
    }

    .pricing-name {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .pricing-price {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .pricing-unit {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .pricing-list {
      list-style: none;
      margin-bottom: 30px;
      flex-grow: 1;
    }

    .pricing-list li {
      font-size: 0.92rem;
      padding: 8px 0;
      border-bottom: 1px dashed #f1f5f9;
      color: var(--text-body);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .pricing-list li::before {
      content: "✓";
      color: var(--accent-emerald);
      font-weight: bold;
    }

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

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

    .review-rating {
      color: #f59e0b;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.93rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 18px;
      font-style: italic;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .avatar-icon {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.1rem;
    }

    .author-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
    }

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

    /* ========== FAQ 手风琴 ========== */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      padding: 18px 22px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #f8fafc;
      color: var(--text-body);
      font-size: 0.95rem;
      line-height: 1.65;
    }

    .faq-answer-inner {
      padding: 16px 22px 20px;
      border-top: 1px solid rgba(99, 102, 241, 0.1);
    }

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

    /* ========== 加盟代理与被动收益 ========== */
    .agent-banner-box {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #ec4899 100%);
      border-radius: var(--radius-lg);
      padding: 48px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
      box-shadow: var(--shadow-vibrant);
    }

    .agent-content h3 {
      color: #ffffff;
      font-size: 1.8rem;
      margin-bottom: 14px;
    }

    .agent-content p {
      color: rgba(255, 255, 255, 0.9);
      font-size: 1.05rem;
      margin-bottom: 24px;
    }

    .agent-benefits {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .agent-benefit-item {
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
      padding: 14px 18px;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      font-weight: 600;
    }

    /* ========== 表单与联系区 ========== */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-dark);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-dark);
      background: #ffffff;
      transition: var(--transition);
      outline: none;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }

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

    .contact-info-wrap {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-items-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 24px;
    }

    .contact-line {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
    }

    .contact-line-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: rgba(79, 70, 229, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: bold;
    }

    .qr-showcase {
      display: flex;
      align-items: center;
      gap: 20px;
      background: #f8fafc;
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
    }

    .qr-showcase img {
      width: 110px;
      height: 110px;
      object-fit: contain;
      border-radius: var(--radius-sm);
      background: #ffffff;
      border: 1px solid #cbd5e1;
    }

    /* ========== 行业资讯与短代码文章 ========== */
    .article-module-wrap {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .article-dynamic-token {
      background: #f1f5f9;
      padding: 16px;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      margin-bottom: 20px;
    }

    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 12px;
    }

    .article-links-grid a {
      color: var(--primary);
      font-size: 0.9rem;
      text-decoration: none;
      padding: 8px 12px;
      background: #eef2ff;
      border-radius: 6px;
      transition: var(--transition);
      display: inline-block;
    }

    .article-links-grid a:hover {
      background: var(--primary);
      color: #ffffff;
    }

    /* ========== 友情链接与页脚规范 ========== */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      margin-top: 60px;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.25rem;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.6;
      max-width: 340px;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      margin-bottom: 16px;
    }

    .footer-nav {
      list-style: none;
    }

    .footer-nav li {
      margin-bottom: 10px;
    }

    .footer-nav li a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.9rem;
      transition: var(--transition);
    }

    .footer-nav li a:hover {
      color: #38bdf8;
    }

    .friend-links-strip {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-strip h6 {
      color: #cbd5e1;
      font-size: 0.9rem;
      margin-bottom: 12px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links-list a {
      color: #94a3b8;
      font-size: 0.88rem;
      text-decoration: none;
      transition: var(--transition);
    }

    .friend-links-list a:hover {
      color: #ec4899;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动客服入口 */
    .floating-kefu {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .kefu-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      box-shadow: 0 4px 16px rgba(236, 72, 153, 0.4);
      cursor: pointer;
      text-decoration: none;
      transition: var(--transition);
    }

    .kefu-btn:hover {
      transform: scale(1.1);
    }

    /* ========== 响应式断点适配 ========== */
    @media (max-width: 1024px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-4, .scenario-grid, .pricing-grid, .reviews-grid, .steps-container {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .agent-banner-box {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        border-bottom: 1px solid #e2e8f0;
        display: none;
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 12px 16px;
      }
      .grid-3, .grid-2, .case-gallery-grid, .banners-strip, .contact-grid, .steps-container {
        grid-template-columns: 1fr;
      }
      .pricing-grid, .reviews-grid, .scenario-grid, .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .eval-highlight-box {
        flex-direction: column;
        text-align: center;
      }
      .eval-score-wrap {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }