:root {
      --primary: #4f46e5;
      --primary-light: #6366f1;
      --secondary: #ec4899;
      --accent-cyan: #06b6d4;
      --accent-amber: #f59e0b;
      --accent-green: #10b981;
      --bg-base: #f8faff;
      --card-bg: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-vibrant: #c7d2fe;
      --shadow-sm: 0 2px 8px rgba(79, 70, 229, 0.06);
      --shadow-md: 0 10px 25px -5px rgba(79, 70, 229, 0.1), 0 8px 10px -6px rgba(79, 70, 229, 0.08);
      --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.25);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    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-base);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(236, 72, 153, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 20%, rgba(6, 182, 212, 0.06) 0%, transparent 45%),
        radial-gradient(circle at 50% 80%, rgba(79, 70, 229, 0.05) 0%, transparent 50%);
      background-attachment: fixed;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      border-bottom: 2px solid #e0e7ff;
      box-shadow: var(--shadow-sm);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
      gap: 16px;
    }

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

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

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 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;
      flex-wrap: wrap;
    }

    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      padding: 8px 11px;
      border-radius: var(--radius-sm);
      display: block;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: #eef2ff;
    }

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

    .btn-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 18px;
      font-size: 0.92rem;
      font-weight: 700;
      color: #ffffff !important;
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 100%);
      border-radius: 9999px;
      box-shadow: 0 4px 14px rgba(236, 72, 153, 0.35);
      border: none;
      cursor: pointer;
    }

    .btn-portal:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(236, 72, 153, 0.5);
    }

    .mobile-menu-btn {
      display: none;
      background: #eef2ff;
      border: 1px solid var(--border-vibrant);
      color: var(--primary);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      font-size: 1.1rem;
      cursor: pointer;
    }

    /* 模块通用样式 */
    section {
      padding: 72px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 46px;
    }

    .badge-tag {
      display: inline-block;
      padding: 5px 14px;
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      border-radius: 9999px;
      color: #4338ca;
      background: #e0e7ff;
      margin-bottom: 12px;
      border: 1px solid #c7d2fe;
    }

    .badge-tag.vibrant-pink {
      color: #be185d;
      background: #fce7f3;
      border-color: #fbcfe8;
    }

    .badge-tag.vibrant-cyan {
      color: #0e7490;
      background: #cffafe;
      border-color: #a5f3fc;
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }

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

    /* 首屏 Hero 无图片要求 */
    .hero-section {
      padding: 85px 0 70px;
      background: linear-gradient(180deg, rgba(238, 242, 255, 0.75) 0%, rgba(248, 250, 255, 1) 100%);
      border-bottom: 1px solid #e2e8f0;
      position: relative;
      overflow: hidden;
    }

    .hero-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-bottom: 22px;
    }

    .hero-chip {
      background: #ffffff;
      border: 1.5px solid var(--border-vibrant);
      color: #3730a3;
      font-size: 0.84rem;
      font-weight: 700;
      padding: 6px 14px;
      border-radius: 9999px;
      box-shadow: var(--shadow-sm);
    }

    .hero-h1 {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      max-width: 960px;
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-h1 span.gradient-text {
      background: linear-gradient(120deg, #4f46e5 0%, #db2777 50%, #ea580c 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 840px;
      margin: 0 auto 32px;
      line-height: 1.75;
    }

    .hero-btn-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 46px;
    }

    .btn-hero-primary {
      padding: 15px 36px;
      font-size: 1.08rem;
      font-weight: 800;
      color: #ffffff !important;
      background: linear-gradient(135deg, #4f46e5 0%, #db2777 100%);
      border-radius: 9999px;
      box-shadow: 0 10px 25px rgba(219, 39, 119, 0.35);
      border: 2px solid rgba(255, 255, 255, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    .btn-hero-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 14px 30px rgba(219, 39, 119, 0.45);
    }

    .btn-hero-secondary {
      padding: 15px 32px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      background: #ffffff;
      border: 2px solid #c7d2fe;
      border-radius: 9999px;
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      background: #f5f3ff;
      border-color: #818cf8;
      color: var(--primary);
    }

    /* 首屏纯CSS数据统计卡片阵列 */
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      width: 100%;
      max-width: 1100px;
      margin-top: 10px;
    }

    .metric-card {
      background: #ffffff;
      border: 2px solid #e0e7ff;
      padding: 22px 18px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: left;
      border-top: 4px solid var(--primary);
      transition: all 0.3s ease;
    }

    .metric-card:nth-child(2) { border-top-color: var(--secondary); }
    .metric-card:nth-child(3) { border-top-color: var(--accent-cyan); }
    .metric-card:nth-child(4) { border-top-color: var(--accent-amber); }

    .metric-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .metric-num {
      font-size: 1.95rem;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.2;
      display: flex;
      align-items: baseline;
      gap: 3px;
    }

    .metric-num .unit {
      font-size: 1rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .metric-label {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-muted);
      margin-top: 4px;
    }

    .metric-desc {
      font-size: 0.78rem;
      color: var(--text-light);
      margin-top: 6px;
    }

    /* 平台支持模型跑马灯标签墙 */
    .model-ticker-wrap {
      background: #ffffff;
      border-top: 1px solid #e2e8f0;
      border-bottom: 1px solid #e2e8f0;
      padding: 18px 0;
    }

    .ticker-label {
      font-size: 0.82rem;
      font-weight: 800;
      color: #6366f1;
      text-align: center;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .model-tags-row {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 9px;
    }

    .model-tag {
      background: #f1f5f9;
      color: #334155;
      font-size: 0.82rem;
      font-weight: 700;
      padding: 5px 12px;
      border-radius: 6px;
      border: 1px solid #e2e8f0;
    }

    .model-tag.hot {
      background: #fee2e2;
      color: #b91c1c;
      border-color: #fecaca;
    }

    .model-tag.pro {
      background: #ede9fe;
      color: #6d28d9;
      border-color: #ddd6fe;
    }

    .model-tag.plus {
      background: #e0f2fe;
      color: #0369a1;
      border-color: #bae6fd;
    }

    /* 关于我们 & 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .about-content-box {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      padding: 36px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
    }

    .about-feature-list {
      list-style: none;
      margin-top: 22px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .about-feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.96rem;
      color: var(--text-main);
    }

    .check-bullet {
      width: 22px;
      height: 22px;
      background: #10b981;
      color: #ffffff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.78rem;
      font-weight: 800;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .about-cards-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .feature-pill-card {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-left: 5px solid var(--primary);
      padding: 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .feature-pill-card h4 {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .feature-pill-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* AIGC 服务卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, #4f46e5, #ec4899);
      opacity: 0;
      transition: opacity 0.3s;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: #c7d2fe;
    }

    .service-card:hover::before {
      opacity: 1;
    }

    .service-header-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }

    .service-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .service-tag {
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 9px;
      border-radius: 9999px;
      background: #eef2ff;
      color: #4f46e5;
    }

    .service-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-points {
      list-style: none;
      border-top: 1px dashed #e2e8f0;
      padding-top: 14px;
      margin-bottom: 18px;
    }

    .service-points li {
      font-size: 0.84rem;
      color: var(--text-muted);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .service-points li::before {
      content: "•";
      color: var(--primary);
      font-weight: bold;
    }

    /* 一站式制作场景陈列 (包含素材图片) */
    .craft-media-wrap {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 40px;
    }

    .media-card {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .media-img-holder {
      width: 100%;
      background: #f1f5f9;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .media-img-holder.square-holder {
      aspect-ratio: 1 / 1;
    }

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

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

    .media-info {
      padding: 20px;
    }

    .media-info h4 {
      font-size: 1.12rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .media-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 场景矩阵全览 */
    .scenes-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .scene-item-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-sm);
      padding: 16px;
      box-shadow: 0 1px 3px rgba(0,0,0,0.04);
      transition: all 0.2s;
    }

    .scene-item-card:hover {
      border-color: #818cf8;
      background: #faf5ff;
    }

    .scene-item-card h5 {
      font-size: 0.98rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .scene-item-card p {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 行业解决方案与服务网络 */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .industry-card {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      border-left: 5px solid var(--accent-cyan);
    }

    .industry-card:nth-child(2) { border-left-color: var(--secondary); }
    .industry-card:nth-child(3) { border-left-color: var(--primary); }
    .industry-card:nth-child(4) { border-left-color: var(--accent-amber); }
    .industry-card:nth-child(5) { border-left-color: var(--accent-green); }
    .industry-card:nth-child(6) { border-left-color: #8b5cf6; }

    .industry-card h4 {
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .industry-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 服务网络 */
    .network-bar {
      background: linear-gradient(135deg, #312e81 0%, #1e1b4b 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: 1.2fr 2fr;
      gap: 30px;
      align-items: center;
      margin-top: 36px;
    }

    .network-bar h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 10px;
    }

    .network-bar p {
      font-size: 0.95rem;
      color: #c7d2fe;
    }

    .network-nodes {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .node-pill {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 8px 16px;
      border-radius: 9999px;
      font-size: 0.88rem;
      font-weight: 600;
      color: #ffffff;
    }

    /* 标准流程时间线 */
    .timeline-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .timeline-step {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .step-number {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      color: #ffffff;
      font-weight: 900;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
    }

    .timeline-step h4 {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .timeline-step p {
      font-size: 0.82rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测模块 */
    .review-score-banner {
      background: #ffffff;
      border: 2px solid #c7d2fe;
      border-radius: var(--radius-md);
      padding: 24px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 26px;
      box-shadow: var(--shadow-sm);
    }

    .score-badge-main {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }

    .score-badge-main .score-huge {
      font-size: 3.2rem;
      font-weight: 900;
      color: #ec4899;
      line-height: 1;
    }

    .score-badge-main .score-max {
      font-size: 1.2rem;
      color: var(--text-muted);
      font-weight: 700;
    }

    .star-rating {
      color: #f59e0b;
      font-size: 1.35rem;
      margin-left: 10px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.94rem;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #e2e8f0;
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 800;
      color: var(--text-main);
    }

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

    .compare-table td.highlight-col {
      background: #f5f3ff;
      font-weight: 700;
      color: #4338ca;
    }

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

    .token-card {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
    }

    .token-card.popular {
      border-color: #ec4899;
      border-width: 2px;
      position: relative;
    }

    .popular-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: #ec4899;
      color: #ffffff;
      font-size: 0.72rem;
      font-weight: 800;
      padding: 2px 10px;
      border-radius: 9999px;
    }

    .token-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .token-card h4 {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 900;
      color: #4f46e5;
      margin-bottom: 4px;
    }

    .token-orig {
      font-size: 0.82rem;
      color: var(--text-light);
      text-decoration: line-through;
      margin-bottom: 16px;
    }

    .token-features {
      list-style: none;
      font-size: 0.85rem;
      color: var(--text-muted);
      text-align: left;
      line-height: 2;
    }

    /* 客户评价板块 (6条评论) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .review-card {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--text-main);
      line-height: 1.7;
      margin-bottom: 20px;
      position: relative;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
    }

    .author-name {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .author-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* 智能需求匹配与表单 */
    .form-section-wrap {
      background: #ffffff;
      border: 2px solid #e0e7ff;
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
    }

    .form-info-col h3 {
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .form-info-col p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .form-perks {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .form-perks li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-container {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

    .form-group label {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1.5px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      color: var(--text-main);
      background: #ffffff;
      outline: none;
      transition: border-color 0.2s;
    }

    .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: 95px;
    }

    .btn-submit {
      padding: 14px 28px;
      font-size: 1rem;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #db2777 100%);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
      transition: all 0.25s;
    }

    .btn-submit:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(79, 70, 229, 0.45);
    }

    /* 常见问题 FAQ 折叠面板 (不少于10条) */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-sm);
      overflow: hidden;
      box-shadow: 0 1px 3px rgba(0,0,0,0.03);
    }

    .faq-question {
      padding: 18px 22px;
      font-size: 1.02rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      background: #ffffff;
    }

    .faq-question:hover {
      background: #faf5ff;
    }

    .faq-icon {
      font-size: 1.25rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.3s ease;
    }

    .faq-answer {
      padding: 0 22px 18px;
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
      border-top: 1px solid #f1f5f9;
    }

    .faq-item.active .faq-answer {
      display: block;
      padding-top: 14px;
    }

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

    /* AI百科 与 行业资讯 */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .wiki-card {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .wiki-card h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .wiki-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    .articles-list-box {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 26px;
      margin-top: 24px;
      box-shadow: var(--shadow-sm);
    }

    .articles-links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }

    .article-pill-link {
      background: #f1f5f9;
      color: var(--primary);
      padding: 7px 16px;
      border-radius: 9999px;
      font-size: 0.86rem;
      font-weight: 700;
      border: 1px solid #cbd5e1;
    }

    .article-pill-link:hover {
      background: #e0e7ff;
      border-color: #818cf8;
    }

    /* 加盟代理与被动收益 */
    .partner-banner {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px;
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      align-items: center;
      box-shadow: var(--shadow-md);
    }

    .partner-left h3 {
      font-size: 2.1rem;
      font-weight: 900;
      line-height: 1.3;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .partner-left p {
      font-size: 1rem;
      color: #e0e7ff;
      line-height: 1.75;
      margin-bottom: 24px;
    }

    .partner-right {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(8px);
      border: 1.5px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-md);
      padding: 28px;
    }

    .partner-perks-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 22px;
    }

    .partner-perks-list li {
      font-size: 0.92rem;
      color: #ffffff;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .partner-perks-list li::before {
      content: "✔";
      color: #34d399;
      font-weight: bold;
    }

    /* 宣传图画廊组件 */
    .banner-gallery-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 36px;
    }

    .banner-item {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .banner-item .ai-page-image {
      width: 100%;
      height: 100%;
      max-height: 220px;
      object-fit: cover;
      display: block;
    }

    /* 联系我们与二维码展示 */
    .contact-card-box {
      background: #ffffff;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .contact-info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-info-list li {
      font-size: 0.96rem;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .contact-info-list strong {
      color: #334155;
      min-width: 90px;
    }

    .qr-showcase {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      background: #f8fafc;
      border: 1.5px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .qr-showcase img {
      max-width: 160px;
      width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
      border: 2px solid #cbd5e1;
      margin-bottom: 12px;
    }

    .qr-tip {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #0f172a;
      color: #cbd5e1;
      padding: 50px 0 30px;
      margin-top: 60px;
      border-top: 3px solid var(--primary);
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 36px;
      padding-bottom: 36px;
      border-bottom: 1px solid #334155;
    }

    .footer-col h4 {
      font-size: 1.08rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .footer-col p {
      font-size: 0.88rem;
      color: #94a3b8;
      line-height: 1.7;
    }

    .footer-friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .footer-friend-links a {
      color: #cbd5e1;
      font-size: 0.85rem;
      background: #1e293b;
      padding: 4px 12px;
      border-radius: 4px;
      border: 1px solid #334155;
    }

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

    .footer-bottom-bar {
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
      color: #64748b;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom-bar a {
      color: #94a3b8;
    }

    /* 浮动工具栏 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 2px solid #818cf8;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      color: var(--primary);
      cursor: pointer;
      transition: all 0.25s;
    }

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

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-h1 { font-size: 2.3rem; }
      .hero-metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .craft-media-wrap { grid-template-columns: 1fr; }
      .scenes-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .token-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .timeline-steps { grid-template-columns: repeat(3, 1fr); }
      .form-section-wrap { grid-template-columns: 1fr; }
      .network-bar { grid-template-columns: 1fr; }
      .partner-banner { grid-template-columns: 1fr; }
      .contact-card-box { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        border-bottom: 2px solid #c7d2fe;
        padding: 16px;
        box-shadow: var(--shadow-md);
      }
      .nav-links.show { display: flex; }
      .nav-links li { width: 100%; }
      .nav-links li a { width: 100%; padding: 10px 14px; }
      .hero-h1 { font-size: 1.85rem; }
      .hero-metrics-grid { grid-template-columns: 1fr; }
      .services-grid { grid-template-columns: 1fr; }
      .scenes-grid { grid-template-columns: 1fr; }
      .industry-grid { grid-template-columns: 1fr; }
      .token-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .timeline-steps { grid-template-columns: 1fr; }
      .wiki-grid { grid-template-columns: 1fr; }
      .banner-gallery-row { grid-template-columns: 1fr; }
      .review-score-banner { flex-direction: column; gap: 14px; text-align: center; }
      .about-grid { grid-template-columns: 1fr; }
      .about-cards-wrap { grid-template-columns: 1fr; }
    }