/* =========================================================
       1. 全局设计规范与斑斓彩调主题设定 (Chromatic Light Theme)
       ========================================================= */
    :root {
      --primary: #4f46e5;
      --primary-light: #6366f1;
      --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%);
      --accent-coral: #f43f5e;
      --accent-emerald: #10b981;
      --accent-amber: #f59e0b;
      --accent-cyan: #0ea5e9;
      --accent-indigo: #4338ca;
      
      --bg-main: #fafbfc;
      --bg-card: #ffffff;
      --bg-soft: #f1f5f9;
      --bg-chroma-badge: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(244, 63, 94, 0.08) 100%);
      
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-subtle: #e2e8f0;
      --border-chroma: linear-gradient(135deg, #cbd5e1, #e2e8f0);
      
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.07);
      --shadow-lg: 0 16px 36px -6px rgba(79, 70, 229, 0.12);
      --shadow-chroma: 0 12px 30px -4px rgba(99, 102, 241, 0.22);
      
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;

      --container-max: 1240px;
    }

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

    html {
      font-size: 16px;
      scroll-behavior: smooth;
      background-color: var(--bg-main);
      color: var(--text-main);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      color: var(--text-main);
      background: radial-gradient(circle at 10% 5%, rgba(99, 102, 241, 0.04) 0%, transparent 35%),
                  radial-gradient(circle at 90% 15%, rgba(244, 63, 94, 0.04) 0%, transparent 30%),
                  radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.03) 0%, transparent 40%),
                  var(--bg-main);
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* 统一样式容器 */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

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

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

    ul, ol {
      list-style: none;
    }

    button, input, select, textarea {
      font: inherit;
      border: none;
      outline: none;
    }

    /* =========================================================
       2. 标题与通用视觉徽章
       ========================================================= */
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .eyebrow-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      background: var(--bg-chroma-badge);
      border: 1px solid rgba(99, 102, 241, 0.25);
      color: var(--primary);
      font-size: 0.875rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
    }

    .eyebrow-badge::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-coral);
      box-shadow: 0 0 8px var(--accent-coral);
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

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

    /* 彩色高亮字强调 */
    .text-gradient {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-pill);
      font-size: 0.975rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      text-align: center;
    }

    .btn-primary {
      background: var(--primary-gradient);
      color: #ffffff !important;
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(99, 102, 241, 0.45);
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--text-main) !important;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      background: #f8fafc;
      border-color: #cbd5e1;
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }

    .btn-lg {
      padding: 15px 36px;
      font-size: 1.075rem;
    }

    /* =========================================================
       3. 顶部导航系统 (强制要求 .nav-links gap: 0)
       ========================================================= */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.85);
      transition: background-color 0.3s ease;
    }

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

    .brand-block {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      flex-shrink: 0;
    }

    .brand-logo-wrap {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.3px;
      color: var(--text-main);
    }

    .brand-tag {
      font-size: 0.725rem;
      padding: 2px 8px;
      border-radius: 6px;
      background: rgba(99, 102, 241, 0.1);
      color: var(--primary);
      font-weight: 700;
      margin-left: 6px;
    }

    /* 必须规则：.nav-links 的 gap 属性设置为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 0;
    }

    .nav-item {
      display: inline-block;
    }

    .nav-item a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 0.925rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      transition: color 0.2s ease, background 0.2s ease;
    }

    .nav-item a:hover {
      color: var(--primary);
      background: rgba(99, 102, 241, 0.06);
    }

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

    .menu-toggle {
      display: none;
      width: 40px;
      height: 40px;
      background: #f1f5f9;
      border-radius: 8px;
      cursor: pointer;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
    }

    .menu-toggle span {
      width: 20px;
      height: 2px;
      background: var(--text-main);
      transition: all 0.25s ease;
    }

    /* =========================================================
       4. 首屏 HERO 区域 (严格限制：不使用任何图片)
       ========================================================= */
    .hero-section {
      position: relative;
      padding: 70px 0 90px 0;
      background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
      overflow: hidden;
      border-bottom: 1px solid var(--border-subtle);
    }

    /* 首屏纯CSS绚丽背景光效与网格 */
    .hero-chroma-glow-1 {
      position: absolute;
      top: -100px;
      left: 10%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(99, 102, 241, 0.16) 0%, rgba(255, 255, 255, 0) 70%);
      border-radius: 50%;
      pointer-events: none;
      z-index: 1;
    }

    .hero-chroma-glow-2 {
      position: absolute;
      top: 50px;
      right: 5%;
      width: 450px;
      height: 450px;
      background: radial-gradient(circle, rgba(244, 63, 94, 0.14) 0%, rgba(255, 255, 255, 0) 70%);
      border-radius: 50%;
      pointer-events: none;
      z-index: 1;
    }

    .hero-chroma-glow-3 {
      position: absolute;
      bottom: -120px;
      left: 40%;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
      border-radius: 50%;
      pointer-events: none;
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 980px;
      margin: 0 auto;
    }

    .hero-top-tag {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 20px;
      border-radius: var(--radius-pill);
      background: #ffffff;
      border: 1px solid rgba(99, 102, 241, 0.2);
      box-shadow: var(--shadow-sm);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 24px;
    }

    .hero-dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      box-shadow: 0 0 10px #10b981;
      animation: pulseDot 2s infinite;
    }

    @keyframes pulseDot {
      0% { transform: scale(0.9); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.8; }
    }

    /* H1 控制在20字内并保持严谨 */
    .hero-title {
      font-size: 3.25rem;
      font-weight: 900;
      line-height: 1.22;
      letter-spacing: -1.2px;
      color: var(--text-main);
      margin-bottom: 22px;
    }

    .hero-subtitle {
      font-size: 1.25rem;
      color: var(--text-muted);
      line-height: 1.75;
      max-width: 820px;
      margin: 0 auto 36px auto;
    }

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

    /* 醒目的访问官网按钮（首屏要求） */
    .btn-hero-official {
      background: linear-gradient(135deg, #0ea5e9 0%, #4f46e5 50%, #f43f5e 100%);
      color: #ffffff !important;
      font-weight: 700;
      font-size: 1.15rem;
      padding: 16px 42px;
      border-radius: var(--radius-pill);
      box-shadow: 0 10px 30px rgba(79, 70, 229, 0.4);
      border: 2px solid rgba(255, 255, 255, 0.6);
      transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
    }

    .btn-hero-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 16px 40px rgba(79, 70, 229, 0.55);
    }

    /* 首屏纯CSS指标卡片阵列 (无图片) */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-bottom: 36px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--accent-gradient, var(--primary-gradient));
    }

    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .stat-card:nth-child(1) { --accent-gradient: linear-gradient(90deg, #4f46e5, #0ea5e9); }
    .stat-card:nth-child(2) { --accent-gradient: linear-gradient(90deg, #f43f5e, #fb7185); }
    .stat-card:nth-child(3) { --accent-gradient: linear-gradient(90deg, #10b981, #059669); }
    .stat-card:nth-child(4) { --accent-gradient: linear-gradient(90deg, #f59e0b, #d97706); }

    .stat-num {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.875rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 聚合大模型纯CSS标签流 (无图片) */
    .model-pills-container {
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 20px 24px;
      box-shadow: var(--shadow-sm);
    }

    .model-pills-label {
      font-size: 0.85rem;
      color: var(--text-light);
      font-weight: 600;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
    }

    .model-chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 12px;
      border-radius: var(--radius-pill);
      background: #ffffff;
      border: 1px solid #e2e8f0;
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-muted);
      transition: all 0.2s ease;
    }

    .model-chip::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--chip-color, #4f46e5);
    }

    .model-chip:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-1px);
    }

    /* =========================================================
       5. 平台介绍与关于我们板块 (About & Core Capabilities)
       ========================================================= */
    .section-padding {
      padding: 85px 0;
      position: relative;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      margin-top: 40px;
    }

    .about-text-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 38px;
      box-shadow: var(--shadow-sm);
    }

    .about-text-card h3 {
      font-size: 1.65rem;
      font-weight: 800;
      margin-bottom: 18px;
      color: var(--text-main);
    }

    .about-text-card p {
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
      font-size: 1rem;
    }

    .about-feature-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }

    .about-feature-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: rgba(99, 102, 241, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
    }

    .about-feature-title {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-main);
      margin-bottom: 3px;
    }

    .about-feature-desc {
      font-size: 0.825rem;
      color: var(--text-light);
      line-height: 1.5;
    }

    /* 视觉素材容器（非首屏正常使用素材图） */
    .media-card {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-md);
      background: #ffffff;
      position: relative;
    }

    .media-card img {
      width: 100%;
      height: auto;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .media-card:hover img {
      transform: scale(1.02);
    }

    /* =========================================================
       6. AIGC 服务矩阵与全维场景卡片 (20+ 核心场景展示)
       ========================================================= */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .service-badge {
      display: inline-block;
      align-self: flex-start;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 6px;
      margin-bottom: 14px;
    }

    .badge-purple { background: rgba(124, 58, 237, 0.1); color: #7c3aed; }
    .badge-rose { background: rgba(244, 63, 94, 0.1); color: #f43f5e; }
    .badge-emerald { background: rgba(16, 185, 129, 0.1); color: #10b981; }
    .badge-blue { background: rgba(14, 165, 233, 0.1); color: #0ea5e9; }
    .badge-amber { background: rgba(245, 158, 11, 0.1); color: #d97706; }

    .service-card h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px dashed #e2e8f0;
      padding-top: 12px;
      font-size: 0.825rem;
      color: var(--text-light);
    }

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

    .service-link:hover {
      gap: 7px;
    }

    /* =========================================================
       7. 一站式制作全流程与标准流程
       ========================================================= */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-step-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: all 0.3s ease;
    }

    .flow-step-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .flow-step-badge {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.15rem;
      margin-bottom: 18px;
      box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    }

    .flow-step-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .flow-step-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* =========================================================
       8. 权威对比评测 (要求：推荐程度五星，评分9.9/10分)
       ========================================================= */
    .eval-highlight-box {
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.04) 0%, rgba(244, 63, 94, 0.04) 100%);
      border: 1px solid rgba(99, 102, 241, 0.2);
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

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

    .score-circle {
      width: 88px;
      height: 88px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
      flex-shrink: 0;
    }

    .score-num {
      font-size: 2rem;
      font-weight: 900;
      line-height: 1;
    }

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

    .eval-text h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .star-rating {
      color: #f59e0b;
      font-size: 1.35rem;
      letter-spacing: 2px;
      display: inline-block;
      margin-right: 8px;
    }

    .eval-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .eval-tag {
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 0.85rem;
      font-weight: 600;
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      color: var(--text-main);
    }

    /* 对比表格容器 */
    .comparison-table-wrapper {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.925rem;
    }

    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
    }

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

    .comparison-table tr:last-child td {
      border-bottom: none;
    }

    .td-platform {
      background: rgba(99, 102, 241, 0.03);
      font-weight: 600;
      color: var(--primary);
    }

    .check-yes {
      color: #10b981;
      font-weight: 700;
    }

    .check-no {
      color: #94a3b8;
    }

    /* =========================================================
       9. Token 比价中心与模型成本分析
       ========================================================= */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: all 0.3s ease;
    }

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

    .token-model-name {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .token-official-price {
      font-size: 0.85rem;
      color: var(--text-light);
      text-decoration: line-through;
      margin-bottom: 4px;
    }

    .token-platform-price {
      font-size: 1.65rem;
      font-weight: 900;
      color: var(--accent-coral);
      margin-bottom: 12px;
    }

    .token-save-badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      background: rgba(244, 63, 94, 0.1);
      color: var(--accent-coral);
      font-size: 0.8rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

    /* =========================================================
       10. 案例中心 (规范引入指定素材图)
       ========================================================= */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .case-img-wrap {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: #f1f5f9;
      position: relative;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.05);
    }

    .case-body {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .case-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.8rem;
      color: var(--text-light);
      border-top: 1px solid #f1f5f9;
      padding-top: 12px;
    }

    /* =========================================================
       11. 加盟代理与算力创收板块
       ========================================================= */
    .agent-banner {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 60%, #4338ca 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-chroma);
      position: relative;
      overflow: hidden;
    }

    .agent-banner::after {
      content: "";
      position: absolute;
      top: -100px;
      right: -100px;
      width: 350px;
      height: 350px;
      background: radial-gradient(circle, rgba(244, 63, 94, 0.3) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .agent-content-inner {
      position: relative;
      z-index: 2;
      max-width: 800px;
    }

    .agent-banner h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: #ffffff;
    }

    .agent-banner p {
      font-size: 1.05rem;
      color: #cbd5e1;
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-bottom: 32px;
    }

    .perk-box {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      padding: 16px;
    }

    .perk-box strong {
      display: block;
      color: #38bdf8;
      font-size: 1.05rem;
      margin-bottom: 4px;
    }

    .perk-box span {
      font-size: 0.825rem;
      color: #e2e8f0;
    }

    /* =========================================================
       12. 用户真实评价卡片 (6条涵盖多元行业)
       ========================================================= */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s ease;
    }

    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.25);
    }

    .review-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }

    .review-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--avatar-bg, #4f46e5);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .review-author {
      font-weight: 700;
      font-size: 1rem;
      color: var(--text-main);
    }

    .review-role {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    .review-stars {
      color: #f59e0b;
      font-size: 0.95rem;
      margin-bottom: 12px;
    }

    .review-text {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* =========================================================
       13. 需求匹配与商务洽谈表单
       ========================================================= */
    .contact-section-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: start;
    }

    .form-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      background: #ffffff;
      color: var(--text-main);
      font-size: 0.925rem;
      transition: all 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

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

    .contact-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .info-list-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 24px;
    }

    .info-icon-badge {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(99, 102, 241, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
    }

    .info-title {
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 4px;
    }

    .info-val {
      color: var(--text-muted);
      font-size: 0.925rem;
      line-height: 1.5;
    }

    .qr-showcase {
      display: flex;
      align-items: center;
      gap: 20px;
      background: #f8fafc;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 20px;
      margin-top: 24px;
    }

    .qr-img-box {
      width: 110px;
      height: 110px;
      background: #ffffff;
      border-radius: 8px;
      padding: 4px;
      border: 1px solid #e2e8f0;
      flex-shrink: 0;
    }

    .qr-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* =========================================================
       14. 行业资讯与短代码文章列表
       ========================================================= */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .article-item-link {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-sm);
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: all 0.25s ease;
    }

    .article-item-link:hover {
      border-color: var(--primary);
      transform: translateX(4px);
      box-shadow: var(--shadow-sm);
      color: var(--primary);
    }

    .article-shortcode-box {
      background: #f1f5f9;
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 24px;
      border-left: 4px solid var(--primary);
    }

    /* =========================================================
       15. 常见问题 FAQ (手风琴)
       ========================================================= */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: var(--primary);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      text-align: left;
      background: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
    }

    .faq-icon {
      font-size: 1.25rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
      background: #fafbfc;
    }

    .faq-answer-inner {
      padding: 0 24px 22px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.7;
      margin-bottom: 20px;
      color: #94a3b8;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 16px;
    }

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

    .footer-links-list a {
      color: #94a3b8;
      font-size: 0.875rem;
      transition: color 0.2s ease;
    }

    .footer-links-list a:hover {
      color: #ffffff;
    }

    .footer-friendship-block {
      border-top: 1px solid #1e293b;
      padding: 24px 0;
      margin-bottom: 24px;
    }

    .friendship-title {
      font-size: 0.875rem;
      font-weight: 700;
      color: #cbd5e1;
      margin-bottom: 12px;
    }

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

    .friendship-links a {
      font-size: 0.825rem;
      color: #94a3b8;
      background: #1e293b;
      padding: 6px 12px;
      border-radius: 4px;
      transition: all 0.2s ease;
    }

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

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      text-align: center;
      font-size: 0.825rem;
      color: #64748b;
    }

    /* 悬浮客服挂件与返回顶部 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--text-main);
      font-weight: 700;
      font-size: 1.1rem;
      transition: all 0.3s ease;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-3px);
    }

    .float-btn-wechat {
      background: #10b981;
      color: #ffffff;
      border: none;
    }

    /* =========================================================
       17. 响应式布局适配
       ========================================================= */
    @media (max-width: 1024px) {
      .services-grid,
      .cases-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps-grid,
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.25rem;
      }
      .hero-subtitle {
        font-size: 1.05rem;
      }
      .about-grid,
      .contact-section-wrapper {
        grid-template-columns: 1fr;
      }
      .services-grid,
      .cases-grid,
      .reviews-grid,
      .flow-steps-grid,
      .token-grid,
      .article-links-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
      }
      .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-subtle);
        padding: 20px 24px;
        box-shadow: var(--shadow-lg);
        gap: 0;
      }
      .nav-item {
        width: 100%;
      }
      .nav-item a {
        display: block;
        padding: 12px 14px;
        width: 100%;
      }
      .menu-toggle {
        display: flex;
      }
      .agent-perks {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
    }