:root {
      --primary: #7928ca;
      --primary-dark: #581c87;
      --primary-light: #9d4edd;
      --accent: #ff0080;
      --accent-glow: rgba(255, 0, 128, 0.25);
      --purple-glow: rgba(121, 40, 202, 0.18);
      --bg-main: #fbf9ff;
      --bg-card: #ffffff;
      --bg-card-alt: #f6f0fd;
      --text-main: #1e1333;
      --text-muted: #5e5374;
      --text-light: #7b7194;
      --border-color: #eadcf8;
      --border-focus: #7928ca;
      --shadow-sm: 0 4px 12px rgba(106, 27, 154, 0.05);
      --shadow-md: 0 8px 24px rgba(106, 27, 154, 0.08);
      --shadow-lg: 0 16px 36px rgba(106, 27, 154, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-width: 1200px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(121, 40, 202, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 90% 30%, rgba(255, 0, 128, 0.04) 0%, transparent 45%),
        radial-gradient(circle at 50% 80%, rgba(157, 78, 221, 0.05) 0%, transparent 50%);
      background-attachment: fixed;
      overflow-x: hidden;
    }

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

    /* 居中主容器统一规范 */
    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(121, 40, 202, 0.04);
    }

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

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .brand-box .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-text {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: 0.5px;
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 16px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: rgba(121, 40, 202, 0.08);
    }

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

    .btn-header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.9rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      border-radius: var(--radius-full);
      box-shadow: 0 4px 14px var(--accent-glow);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .btn-header-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px var(--accent-glow);
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .nav-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      transition: all 0.3s ease;
    }

    /* 首屏纯代码视觉（禁止首屏出现图片） */
    .hero-section {
      padding: 70px 0 80px;
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(246, 240, 253, 0.8) 0%, rgba(251, 249, 255, 1) 100%);
      border-bottom: 1px solid var(--border-color);
    }

    .hero-wrapper {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-badge .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--accent);
      border-radius: 50%;
      animation: pulseAnimation 2s infinite;
    }

    @keyframes pulseAnimation {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 0, 128, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(255, 0, 128, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 0, 128, 0); }
    }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title span {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
      max-width: 600px;
    }

    .hero-btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-main-primary {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 14px 34px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #ffffff;
      font-weight: 700;
      font-size: 1.05rem;
      border-radius: var(--radius-full);
      box-shadow: 0 8px 24px var(--accent-glow);
      transition: all 0.3s ease;
      border: 1px solid transparent;
    }

    .btn-main-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(255, 0, 128, 0.35);
    }

    .btn-main-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 28px;
      background: #ffffff;
      color: var(--primary);
      font-weight: 700;
      font-size: 1.05rem;
      border-radius: var(--radius-full);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .btn-main-outline:hover {
      background: rgba(121, 40, 202, 0.05);
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    .hero-highlights {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .hero-highlight-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .hero-highlight-item svg {
      width: 18px;
      height: 18px;
      fill: var(--primary);
    }

    /* 首屏纯CSS科技感数字看板（无图片） */
    .hero-board-graphic {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      padding: 28px;
      position: relative;
    }

    .hero-board-graphic::before {
      content: "";
      position: absolute;
      inset: -2px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: calc(var(--radius-lg) + 2px);
      z-index: -1;
      opacity: 0.2;
    }

    .board-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 20px;
    }

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

    .board-status {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.8rem;
      font-weight: 600;
      color: #10b981;
      background: rgba(16, 185, 129, 0.1);
      padding: 4px 10px;
      border-radius: var(--radius-full);
    }

    .board-grid-metrics {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 20px;
    }

    .metric-card {
      background: var(--bg-card-alt);
      border-radius: var(--radius-md);
      padding: 18px;
      border: 1px solid rgba(121, 40, 202, 0.1);
      transition: transform 0.25s ease;
    }

    .metric-card:hover {
      transform: translateY(-2px);
    }

    .metric-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .metric-label {
      font-size: 0.82rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .board-code-stream {
      background: #170d2b;
      border-radius: var(--radius-md);
      padding: 16px;
      color: #d8b4fe;
      font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.8rem;
      line-height: 1.6;
    }

    .stream-tag {
      color: #ff79c6;
    }

    .stream-val {
      color: #50fa7b;
    }

    /* 模块通用标题 */
    .section-wrap {
      padding: 80px 0;
      border-bottom: 1px solid var(--border-color);
    }

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

    .section-subtitle {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary);
      margin-bottom: 8px;
      background: rgba(121, 40, 202, 0.08);
      padding: 4px 14px;
      border-radius: var(--radius-full);
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

    .about-text p {
      font-size: 1.02rem;
      color: var(--text-muted);
      margin-bottom: 18px;
      line-height: 1.8;
    }

    .about-feature-list {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .about-feature-item svg {
      width: 20px;
      height: 20px;
      fill: var(--accent);
      flex-shrink: 0;
      margin-top: 2px;
    }

    .about-feature-item h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .about-feature-item span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    .banner-showcase {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

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

    .banner-wrapper .ai-page-image {
      display: block;
      width: 100%;
      height: auto;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .banner-wrapper:hover .ai-page-image {
      transform: scale(1.02);
    }

    /* 支持模型展示墙 (标签云) */
    .models-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      margin-top: 30px;
    }

    .model-chip {
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--text-main);
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 0.88rem;
      font-weight: 600;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      cursor: default;
    }

    .model-chip:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px var(--purple-glow);
    }

    /* 一站式AIGC服务卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }

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

    .service-card:hover {
      transform: translateY(-5px);
      border-color: var(--primary-light);
      box-shadow: var(--shadow-lg);
    }

    .service-icon-wrap {
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, rgba(121, 40, 202, 0.12), rgba(255, 0, 128, 0.12));
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }

    .service-icon-wrap svg {
      width: 24px;
      height: 24px;
      fill: var(--primary);
    }

    .service-card h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-tag {
      font-size: 0.78rem;
      font-weight: 600;
      color: var(--accent);
      background: rgba(255, 0, 128, 0.08);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      align-self: flex-start;
    }

    /* 行业方案展示 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
      gap: 24px;
    }

    .industry-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .industry-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .industry-title::before {
      content: "";
      width: 4px;
      height: 18px;
      background: linear-gradient(to bottom, var(--primary), var(--accent));
      border-radius: 2px;
    }

    .industry-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例中心 (素材图片专区) */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .case-img-container {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: #f0eaf8;
      position: relative;
    }

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

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

    .case-body {
      padding: 20px;
    }

    .case-body h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

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

    /* 标准制作流程 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
      margin-top: 30px;
    }

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

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

    .step-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

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

    /* 对比评测板块 */
    .eval-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      padding: 40px;
    }

    .eval-highlight-box {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      background: linear-gradient(135deg, rgba(121, 40, 202, 0.06), rgba(255, 0, 128, 0.06));
      border: 1px solid rgba(121, 40, 202, 0.15);
      border-radius: var(--radius-md);
      padding: 24px 32px;
      margin-bottom: 32px;
    }

    .eval-rating-block {
      display: flex;
      align-items: center;
      gap: 16px;
    }

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

    .eval-rating-detail {
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 600;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }

    .eval-table-wrap {
      width: 100%;
      overflow-x: auto;
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .eval-table th, .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.92rem;
    }

    .eval-table th {
      background: var(--bg-card-alt);
      color: var(--text-main);
      font-weight: 700;
    }

    .eval-table tr:hover td {
      background: rgba(121, 40, 202, 0.02);
    }

    .eval-check {
      color: #10b981;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .eval-cross {
      color: #9ca3af;
    }

    /* Token比价与低成本算力 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: all 0.3s ease;
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .token-card-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #ffffff;
      padding: 4px 16px;
      border-radius: var(--radius-full);
      font-size: 0.75rem;
      font-weight: 700;
    }

    .token-card h4 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      margin: 16px 0;
    }

    .token-features {
      list-style: none;
      text-align: left;
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .token-features li {
      padding: 6px 0;
      border-bottom: 1px dashed var(--border-color);
    }

    /* 加盟代理板块 */
    .agent-box {
      background: linear-gradient(135deg, #2a0845 0%, #6441a5 100%);
      border-radius: var(--radius-lg);
      padding: 50px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }

    .agent-content h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .agent-content p {
      font-size: 1rem;
      line-height: 1.7;
      color: #e9d5ff;
      margin-bottom: 24px;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 30px;
    }

    .agent-perk-item {
      background: rgba(255, 255, 255, 0.1);
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    .agent-card-right {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 30px;
      color: var(--text-main);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      text-align: center;
    }

    .agent-card-right h4 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .agent-card-right p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.25s ease;
    }

    .review-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-light), var(--accent));
      color: #ffffff;
      font-weight: 700;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .author-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    /* FAQ 手风琴 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: all 0.25s ease;
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: transparent;
      border: none;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

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

    .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 ease-out;
      background: var(--bg-card-alt);
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 需求表单与联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: flex-start;
    }

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

    .contact-title {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .contact-list {
      list-style: none;
      margin-bottom: 30px;
    }

    .contact-list-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 0;
      font-size: 0.95rem;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border-color);
    }

    .contact-list-item strong {
      color: var(--text-main);
      width: 100px;
    }

    .qr-box-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
      background: var(--bg-card-alt);
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .qr-box-wrap img {
      width: 96px;
      height: 96px;
      object-fit: contain;
      border-radius: var(--radius-sm);
      background: #ffffff;
      padding: 4px;
      border: 1px solid var(--border-color);
    }

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

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

    /* 需求匹配表单 */
    .form-panel {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.92rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: var(--bg-main);
      color: var(--text-main);
      outline: none;
      transition: border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.15);
      background: #ffffff;
    }

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

    .btn-submit {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      color: #ffffff;
      border: none;
      border-radius: var(--radius-full);
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 6px 20px var(--accent-glow);
      transition: all 0.25s ease;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px var(--accent-glow);
    }

    /* 行业资讯 & 最新文章 */
    .articles-container {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 16px;
      margin-top: 20px;
    }

    .article-chip-link {
      display: block;
      padding: 12px 16px;
      background: var(--bg-card-alt);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      color: var(--text-main);
      font-weight: 600;
      text-align: center;
      transition: all 0.25s ease;
    }

    .article-chip-link:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #ffffff;
    }

    /* 页脚与友情链接 */
    .site-footer {
      background: #110822;
      color: #e5e0f0;
      padding: 60px 0 30px;
      border-top: 1px solid #2d1b4d;
    }

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

    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      color: #a79cb8;
      line-height: 1.7;
      max-width: 380px;
      margin-bottom: 20px;
    }

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

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

    .footer-nav-list li {
      margin-bottom: 8px;
    }

    .footer-nav-list li a {
      color: #a79cb8;
      font-size: 0.88rem;
    }

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

    .friend-links-box {
      border-top: 1px solid #2d1b4d;
      padding-top: 24px;
      margin-top: 20px;
    }

    .friend-links-title {
      font-size: 0.88rem;
      color: #8f82a6;
      font-weight: 600;
      margin-bottom: 12px;
    }

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

    .friend-links-list a {
      color: #a79cb8;
      font-size: 0.84rem;
      transition: color 0.2s ease;
    }

    .friend-links-list a:hover {
      color: #d8b4fe;
    }

    .footer-bottom {
      border-top: 1px solid #24143d;
      margin-top: 30px;
      padding-top: 20px;
      text-align: center;
      font-size: 0.82rem;
      color: #7b6f93;
    }

    /* 浮动操作栏与返回顶部 */
    .floating-bar {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      background: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
      border: 1px solid var(--border-color);
      cursor: pointer;
      color: var(--primary);
      transition: all 0.25s ease;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.08);
    }

    .float-btn svg {
      width: 20px;
      height: 20px;
      fill: currentColor;
    }

    /* 响应式样式适配 */
    @media (max-width: 992px) {
      .hero-wrapper {
        grid-template-columns: 1fr;
      }
      .about-grid, .agent-box, .contact-grid {
        grid-template-columns: 1fr;
      }
      .cases-grid, .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
    }

    @media (max-width: 768px) {
      .header-inner {
        height: 64px;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px;
      }
      .nav-toggle {
        display: flex;
      }
      .hero-title {
        font-size: 2rem;
      }
      .cases-grid, .token-grid, .process-timeline {
        grid-template-columns: 1fr;
      }
      .about-feature-list {
        grid-template-columns: 1fr;
      }
    }