:root {
      --bg-dark: #0a0614;
      --bg-card: rgba(26, 16, 48, 0.75);
      --bg-card-hover: rgba(43, 24, 80, 0.85);
      --neon-pink: #ff2a8d;
      --neon-purple: #9d4edd;
      --neon-cyan: #00f0ff;
      --neon-gradient: linear-gradient(135deg, #ff2a8d 0%, #9d4edd 50%, #00f0ff 100%);
      --text-main: #f5f2fd;
      --text-muted: #b9a8d9;
      --text-dim: #7f6e9f;
      --border-glow: rgba(255, 42, 141, 0.25);
      --border-highlight: rgba(0, 240, 255, 0.4);
      --container-max: 1200px;
    }

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

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

    body {
      background-color: var(--bg-dark);
      background-image: 
        radial-gradient(circle at 15% 20%, rgba(157, 78, 221, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 85% 60%, rgba(255, 42, 141, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 50% 90%, rgba(0, 240, 255, 0.08) 0%, transparent 40%);
      background-attachment: fixed;
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      color: var(--text-main);
      text-decoration: none;
      transition: all 0.25s ease;
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(10, 6, 20, 0.88);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-glow);
    }

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

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

    .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      background: var(--neon-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
      border-radius: 6px;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: #fff;
      background: rgba(255, 42, 141, 0.15);
      text-shadow: 0 0 8px rgba(255, 42, 141, 0.6);
    }

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

    .btn-nav-primary {
      padding: 8px 18px;
      background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
      color: #fff !important;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 0 15px rgba(255, 42, 141, 0.4);
    }

    .btn-nav-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 0 20px rgba(255, 42, 141, 0.7);
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: 1px solid var(--border-glow);
      color: #fff;
      padding: 6px 10px;
      border-radius: 6px;
      font-size: 1.2rem;
      cursor: pointer;
    }

    /* 通用区块与标题 */
    section {
      padding: 70px 0;
      position: relative;
    }

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

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(255, 42, 141, 0.15);
      border: 1px solid rgba(255, 42, 141, 0.4);
      border-radius: 20px;
      color: var(--neon-pink);
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 1px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* 首屏 Hero (无任何图片) */
    .hero-section {
      padding: 90px 0 70px;
      text-align: center;
      position: relative;
      background: radial-gradient(circle at 50% 30%, rgba(157, 78, 221, 0.25) 0%, rgba(10, 6, 20, 0) 70%);
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 30px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--neon-cyan);
      color: var(--neon-cyan);
      font-size: 0.88rem;
      margin-bottom: 24px;
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
    }

    .hero-title {
      font-size: 2.8rem;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 20px;
      color: #ffffff;
    }

    .hero-title .glow-text {
      background: var(--neon-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      text-shadow: 0 0 25px rgba(255, 42, 141, 0.4);
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .btn-main-glow {
      padding: 14px 36px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: 10px;
      background: linear-gradient(135deg, #ff2a8d, #9d4edd);
      color: #ffffff !important;
      box-shadow: 0 0 25px rgba(255, 42, 141, 0.5);
      border: 1px solid rgba(255, 255, 255, 0.2);
      transition: all 0.3s ease;
      cursor: pointer;
    }

    .btn-main-glow:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 0 35px rgba(255, 42, 141, 0.8);
    }

    .btn-secondary-glow {
      padding: 14px 32px;
      font-size: 1.05rem;
      font-weight: 600;
      border-radius: 10px;
      background: rgba(26, 16, 48, 0.9);
      color: #fff !important;
      border: 1px solid var(--border-highlight);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
      transition: all 0.3s ease;
    }

    .btn-secondary-glow:hover {
      border-color: var(--neon-cyan);
      background: rgba(43, 24, 80, 0.9);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
      transform: translateY(-2px);
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      max-width: 960px;
      margin: 0 auto;
    }

    .stat-box {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      padding: 20px 16px;
      text-align: center;
      transition: transform 0.3s ease;
    }

    .stat-box:hover {
      transform: translateY(-4px);
      border-color: var(--neon-pink);
    }

    .stat-val {
      font-size: 1.8rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 4px;
    }

    .stat-val span {
      color: var(--neon-cyan);
    }

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

    /* 平台介绍 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }

    .intro-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 16px;
      padding: 36px;
    }

    .intro-points {
      list-style: none;
      margin-top: 20px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .intro-points li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    .intro-points li strong {
      color: #fff;
    }

    .dot-bullet {
      width: 8px;
      height: 8px;
      background: var(--neon-pink);
      border-radius: 50%;
      margin-top: 8px;
      box-shadow: 0 0 8px var(--neon-pink);
      flex-shrink: 0;
    }

    /* 模型矩阵徽章云 */
    .model-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .model-tag {
      background: rgba(157, 78, 221, 0.15);
      border: 1px solid rgba(157, 78, 221, 0.4);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.82rem;
      color: #d6bfff;
      font-weight: 500;
      transition: all 0.2s;
    }

    .model-tag:hover {
      background: var(--neon-purple);
      color: #fff;
      transform: scale(1.05);
      box-shadow: 0 0 10px rgba(157, 78, 221, 0.6);
    }

    /* AIGC 服务卡片矩阵 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 20px;
    }

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 14px;
      padding: 24px;
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--neon-pink);
      transform: translateY(-5px);
      box-shadow: 0 10px 25px rgba(255, 42, 141, 0.2);
    }

    .service-icon {
      font-size: 1.8rem;
      margin-bottom: 14px;
      display: inline-block;
      color: var(--neon-cyan);
    }

    .service-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }

    .service-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 案例中心图文 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 14px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #140b25;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .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: 20px;
    }

    .case-category {
      font-size: 0.78rem;
      color: var(--neon-pink);
      font-weight: 600;
      margin-bottom: 6px;
      text-transform: uppercase;
    }

    .case-title {
      font-size: 1.05rem;
      color: #fff;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

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

    .process-step {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      padding: 24px 20px;
      position: relative;
    }

    .step-number {
      font-size: 2rem;
      font-weight: 900;
      color: rgba(255, 42, 141, 0.4);
      margin-bottom: 8px;
    }

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

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

    /* 对比评测表格 */
    .compare-section {
      background: rgba(18, 11, 34, 0.6);
      border-top: 1px solid var(--border-glow);
      border-bottom: 1px solid var(--border-glow);
    }

    .score-badge-card {
      background: linear-gradient(135deg, rgba(255, 42, 141, 0.15), rgba(0, 240, 255, 0.15));
      border: 1px solid var(--border-highlight);
      border-radius: 16px;
      padding: 24px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-around;
      flex-wrap: wrap;
      gap: 20px;
      text-align: center;
    }

    .score-item-title {
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    .score-item-value {
      font-size: 2.2rem;
      font-weight: 900;
      color: #fff;
    }

    .score-stars {
      color: #ffb703;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .compare-table-wrapper {
      width: 100%;
      overflow-x: auto;
      border-radius: 12px;
      border: 1px solid var(--border-glow);
      background: var(--bg-card);
    }

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

    .compare-table th, 
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.92rem;
    }

    .compare-table th {
      background: rgba(43, 24, 80, 0.8);
      color: #fff;
      font-weight: 700;
    }

    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background: rgba(255, 42, 141, 0.08);
      color: #fff;
      font-weight: 600;
      border-left: 1px solid rgba(255, 42, 141, 0.3);
      border-right: 1px solid rgba(255, 42, 141, 0.3);
    }

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

    .tag-yes {
      color: #00f0ff;
      font-weight: 700;
    }

    .tag-no {
      color: var(--text-dim);
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 14px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .user-info-name {
      font-weight: 700;
      color: #fff;
      font-size: 1rem;
    }

    .user-info-role {
      font-size: 0.8rem;
      color: var(--neon-pink);
    }

    .review-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .review-rating {
      color: #ffb703;
      font-size: 0.85rem;
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 10px;
      overflow: hidden;
      transition: border-color 0.25s;
    }

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

    .faq-question {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 600;
      color: #ffffff;
      font-size: 1rem;
      user-select: none;
    }

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

    .faq-item.active .faq-arrow {
      transform: rotate(180deg);
      color: var(--neon-cyan);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.7;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 14px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 需求匹配与联系表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 18px;
      padding: 40px;
    }

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

    .form-label {
      display: block;
      margin-bottom: 6px;
      font-size: 0.88rem;
      color: #fff;
      font-weight: 600;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      background: rgba(14, 8, 28, 0.8);
      border: 1px solid rgba(157, 78, 221, 0.4);
      border-radius: 8px;
      color: #fff;
      font-size: 0.95rem;
      outline: none;
      transition: border-color 0.25s ease;
    }

    .form-control:focus {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
    }

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

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
      color: #fff;
      border: none;
      border-radius: 8px;
      font-size: 1.05rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 0 20px rgba(255, 42, 141, 0.4);
      transition: all 0.3s;
    }

    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 25px rgba(255, 42, 141, 0.7);
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 20px;
    }

    .contact-info-item {
      display: flex;
      align-items: center;
      gap: 14px;
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    .contact-info-item strong {
      color: #fff;
    }

    .qr-container {
      margin-top: 24px;
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 18px;
      background: rgba(14, 8, 28, 0.7);
      border-radius: 12px;
      border: 1px solid var(--border-glow);
    }

    .qr-img-box {
      width: 100px;
      height: 100px;
      border-radius: 8px;
      overflow: hidden;
      background: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

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

    /* 行业资讯与短代码文章 */
    .article-section {
      background: rgba(15, 9, 30, 0.5);
    }

    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .article-item {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: 12px;
      padding: 20px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-item:hover {
      border-color: var(--neon-pink);
    }

    .article-item-title {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
      line-height: 1.5;
    }

    .article-item-link {
      font-size: 0.85rem;
      color: var(--neon-cyan);
      align-self: flex-start;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #06040d;
      border-top: 1px solid var(--border-glow);
      padding: 48px 0 24px;
      color: var(--text-muted);
    }

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

    .footer-brand p {
      font-size: 0.9rem;
      margin-top: 12px;
      line-height: 1.6;
      max-width: 360px;
    }

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

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links-list a {
      color: var(--text-muted);
      font-size: 0.88rem;
    }

    .footer-links-list a:hover {
      color: var(--neon-cyan);
    }

    .friendly-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 10px;
    }

    .friendly-links-wrap a {
      font-size: 0.85rem;
      color: var(--text-muted);
      background: rgba(26, 16, 48, 0.8);
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .friendly-links-wrap a:hover {
      color: #fff;
      border-color: var(--neon-pink);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-dim);
    }

    /* 悬浮客服面板 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      box-shadow: 0 0 15px rgba(255, 42, 141, 0.6);
      cursor: pointer;
      border: none;
      font-size: 1.2rem;
      transition: transform 0.25s;
    }

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

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-grid,
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .cases-grid,
      .reviews-grid,
      .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 1.8rem;
      }
      .hero-subtitle {
        font-size: 0.98rem;
      }
      .cases-grid,
      .reviews-grid,
      .articles-grid,
      .process-timeline,
      .hero-stats-grid {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 1.6rem;
      }
      .contact-wrapper {
        padding: 24px;
      }
    }