:root {
      --bg-page: #f6f8fd;
      --bg-surface: #ffffff;
      --bg-surface-soft: #f0f4fc;
      --neon-cyan: #00d2ff;
      --neon-purple: #9d4edd;
      --neon-pink: #f72585;
      --neon-blue: #4361ee;
      --text-main: #141b2d;
      --text-muted: #53627c;
      --text-light: #7b8ea8;
      --border-color: rgba(67, 97, 238, 0.14);
      --border-neon: rgba(0, 210, 255, 0.45);
      --shadow-soft: 0 10px 30px rgba(67, 97, 238, 0.07);
      --shadow-neon: 0 0 25px rgba(0, 210, 255, 0.18), 0 8px 24px rgba(157, 78, 221, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      background-image:
        radial-gradient(circle at 10% 8%, rgba(0, 210, 255, 0.09) 0%, transparent 40%),
        radial-gradient(circle at 90% 12%, rgba(247, 37, 133, 0.07) 0%, transparent 42%),
        radial-gradient(circle at 50% 50%, rgba(157, 78, 221, 0.05) 0%, transparent 60%),
        radial-gradient(circle at 80% 85%, rgba(67, 97, 238, 0.08) 0%, transparent 50%);
      background-attachment: fixed;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      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);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-wrap img.ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }
    .brand-text {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-main);
      background: linear-gradient(135deg, #141b2d 40%, var(--neon-blue) 100%);
      -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 {
      font-size: 14.5px;
      font-weight: 600;
      color: var(--text-muted);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      display: inline-block;
    }
    .nav-links li a:hover {
      color: var(--neon-blue);
      background: rgba(67, 97, 238, 0.06);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-neon-glow {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 14.5px;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
      border: 1px solid rgba(255, 255, 255, 0.35);
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 14px rgba(67, 97, 238, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.4);
      transition: var(--transition);
      cursor: pointer;
    }
    .btn-neon-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(157, 78, 221, 0.45);
      color: #ffffff;
    }
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
    }
    .mobile-menu-toggle span {
      display: block;
      width: 24px;
      height: 2.5px;
      background: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
      border-radius: 2px;
    }

    /* 区域通用规范 */
    .section-wrap {
      padding: 80px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 48px auto;
    }
    .neon-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 14px;
      border-radius: 20px;
      font-size: 12.5px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--neon-blue);
      background: rgba(67, 97, 238, 0.08);
      border: 1px solid rgba(0, 210, 255, 0.3);
      margin-bottom: 14px;
    }
    .section-header h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-header p {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏无图 HERO */
    .hero-section {
      padding: 90px 0 70px 0;
      position: relative;
      text-align: center;
    }
    .hero-box {
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(244, 248, 255, 0.92) 100%);
      border: 1px solid var(--border-neon);
      border-radius: var(--radius-lg);
      padding: 64px 36px;
      box-shadow: var(--shadow-neon);
      position: relative;
      overflow: hidden;
    }
    .hero-box::before {
      content: "";
      position: absolute;
      top: 0;
      left: 20%;
      right: 20%;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-pink), transparent);
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 18px;
      background: rgba(0, 210, 255, 0.1);
      border: 1px solid rgba(0, 210, 255, 0.4);
      border-radius: 30px;
      font-size: 13.5px;
      font-weight: 700;
      color: var(--neon-blue);
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 22px;
      color: var(--text-main);
      letter-spacing: -1px;
    }
    .hero-title span {
      background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple), var(--neon-pink));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 17px;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px auto;
      line-height: 1.8;
    }
    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 48px;
    }
    .btn-hero-primary {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #00c6ff, #0072ff);
      border-radius: var(--radius-sm);
      box-shadow: 0 8px 24px rgba(0, 114, 255, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.4);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }
    .btn-hero-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(0, 114, 255, 0.45);
      color: #ffffff;
    }
    .btn-hero-outline {
      padding: 14px 30px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-hero-outline:hover {
      background: var(--bg-surface-soft);
      border-color: var(--neon-blue);
      color: var(--neon-blue);
    }
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      padding-top: 36px;
      border-top: 1px solid rgba(67, 97, 238, 0.12);
    }
    .stat-item {
      padding: 12px 8px;
    }
    .stat-num {
      font-size: 32px;
      font-weight: 800;
      color: var(--neon-blue);
      margin-bottom: 4px;
      font-family: inherit;
    }
    .stat-label {
      font-size: 13.5px;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 平台介绍与架构 */
    .intro-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .intro-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 26px;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      position: relative;
    }
    .intro-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-neon);
      border-color: var(--border-neon);
    }
    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      background: linear-gradient(135deg, rgba(0, 210, 255, 0.15), rgba(157, 78, 221, 0.15));
      color: var(--neon-blue);
      font-weight: 800;
      font-size: 20px;
    }
    .intro-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .intro-card p {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 支持模型滚动胶囊 */
    .models-tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      padding: 24px;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
    }
    .model-badge {
      padding: 8px 16px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      background: var(--bg-surface-soft);
      border: 1px solid rgba(67, 97, 238, 0.1);
      border-radius: 20px;
      transition: var(--transition);
    }
    .model-badge:hover {
      background: rgba(0, 210, 255, 0.12);
      border-color: var(--neon-cyan);
      color: var(--neon-blue);
      transform: translateY(-1px);
    }

    /* AIGC 服务场景矩阵 (核心业务卡片) */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      transform: translateY(-3px);
      border-color: var(--neon-purple);
      box-shadow: 0 10px 25px rgba(157, 78, 221, 0.15);
    }
    .service-head {
      margin-bottom: 12px;
    }
    .service-head h3 {
      font-size: 17.5px;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .service-head .pill {
      font-size: 11.5px;
      padding: 3px 8px;
      background: rgba(67, 97, 238, 0.08);
      color: var(--neon-blue);
      border-radius: 4px;
      font-weight: 600;
    }
    .service-desc {
      font-size: 13.8px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .service-foot {
      font-size: 12.5px;
      color: var(--neon-purple);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 一站式创作流程步骤 */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
      box-shadow: var(--shadow-soft);
    }
    .step-number {
      font-size: 26px;
      font-weight: 900;
      color: var(--neon-pink);
      opacity: 0.85;
      margin-bottom: 10px;
    }
    .step-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .step-card p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 案例中心展示（图文） */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-neon);
      border-color: var(--neon-cyan);
    }
    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 10;
      overflow: hidden;
      background: #eef2f8;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: var(--transition);
    }
    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }
    .case-body {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .case-tag {
      font-size: 12px;
      color: var(--neon-blue);
      font-weight: 700;
      margin-bottom: 8px;
    }
    .case-body h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .case-body p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    /* 对比评测表格与卡片 */
    .benchmark-box {
      background: #ffffff;
      border: 1px solid var(--border-neon);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-neon);
    }
    .benchmark-score-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      background: linear-gradient(135deg, rgba(0, 210, 255, 0.08), rgba(247, 37, 133, 0.08));
      border: 1px solid rgba(0, 210, 255, 0.25);
      border-radius: var(--radius-md);
      padding: 24px 30px;
      margin-bottom: 30px;
    }
    .score-left h3 {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .score-left p {
      font-size: 14.5px;
      color: var(--text-muted);
    }
    .score-right {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }
    .score-badge {
      font-size: 15px;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
      padding: 6px 14px;
      border-radius: 20px;
    }
    .score-val {
      font-size: 40px;
      font-weight: 900;
      color: var(--neon-blue);
      letter-spacing: -1px;
    }
    .score-max {
      font-size: 16px;
      color: var(--text-muted);
      font-weight: 600;
    }
    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(67, 97, 238, 0.12);
      font-size: 14.5px;
    }
    .compare-table th {
      background: var(--bg-surface-soft);
      color: var(--text-main);
      font-weight: 700;
    }
    .compare-table td:nth-child(2) {
      background: rgba(0, 210, 255, 0.04);
      font-weight: 600;
      color: var(--text-main);
    }
    .status-highlight {
      color: #059669;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .status-dim {
      color: #94a3b8;
    }

    /* 加盟代理模块 */
    .partner-banner {
      background: linear-gradient(135deg, #18223c, #111728);
      border-radius: var(--radius-lg);
      padding: 50px 40px;
      color: #ffffff;
      border: 1px solid rgba(0, 210, 255, 0.3);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
    }
    .partner-banner h3 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 14px;
      line-height: 1.35;
      color: #ffffff;
    }
    .partner-banner h3 span {
      color: var(--neon-cyan);
    }
    .partner-banner p {
      font-size: 15px;
      color: #cbd5e1;
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .partner-features {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-bottom: 24px;
    }
    .partner-features li {
      font-size: 14px;
      color: #e2e8f0;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .partner-features li::before {
      content: "✓";
      color: var(--neon-cyan);
      font-weight: bold;
    }
    .partner-card-right {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      text-align: center;
    }
    .partner-card-right h4 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #ffffff;
    }
    .partner-card-right p {
      font-size: 13.5px;
      color: #94a3b8;
      margin-bottom: 20px;
    }

    /* 用户评论 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-neon);
      border-color: var(--neon-blue);
    }
    .review-rating {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 14px;
      letter-spacing: 2px;
    }
    .review-content {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid rgba(67, 97, 238, 0.08);
      padding-top: 14px;
    }
    .author-avatar-text {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-blue), var(--neon-cyan));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 15px;
    }
    .author-info h4 {
      font-size: 14.5px;
      font-weight: 700;
      color: var(--text-main);
    }
    .author-info span {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 常见问题 FAQ (手风琴) */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: var(--neon-cyan);
    }
    .faq-question {
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      user-select: none;
    }
    .faq-icon {
      font-size: 18px;
      color: var(--neon-blue);
      transition: transform 0.25s ease;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #fafcff;
      border-top: 1px solid transparent;
    }
    .faq-answer p {
      padding: 18px 24px;
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      border-top-color: rgba(67, 97, 238, 0.08);
      transition: max-height 0.35s ease-in-out;
    }

    /* 需求匹配与表单 */
    .form-section-card {
      background: #ffffff;
      border: 1px solid var(--border-neon);
      border-radius: var(--radius-lg);
      padding: 42px;
      box-shadow: var(--shadow-neon);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
    }
    .form-info-col h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--text-main);
    }
    .form-info-col p {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .contact-chips {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .chip-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: var(--text-main);
    }
    .chip-badge {
      padding: 4px 10px;
      background: rgba(67, 97, 238, 0.08);
      border-radius: 4px;
      color: var(--neon-blue);
      font-weight: 700;
      font-size: 12px;
    }
    .demand-form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-size: 13.5px;
      font-weight: 700;
      color: var(--text-main);
    }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      border: 1px solid rgba(67, 97, 238, 0.2);
      border-radius: var(--radius-sm);
      background: #ffffff;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--neon-blue);
      box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.12);
    }
    .form-textarea {
      resize: vertical;
      min-height: 95px;
    }
    .btn-submit-form {
      padding: 14px;
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(67, 97, 238, 0.3);
      transition: var(--transition);
    }
    .btn-submit-form:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(157, 78, 221, 0.4);
    }

    /* 行业资讯 & 官方资源链接 */
    .articles-block {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-soft);
      margin-bottom: 28px;
    }
    .articles-block h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-main);
      border-left: 4px solid var(--neon-blue);
      padding-left: 10px;
    }
    .article-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .article-link-tag {
      display: inline-flex;
      align-items: center;
      padding: 8px 14px;
      background: var(--bg-surface-soft);
      border: 1px solid rgba(67, 97, 238, 0.12);
      border-radius: var(--radius-sm);
      font-size: 13.5px;
      color: var(--text-main);
      transition: var(--transition);
    }
    .article-link-tag:hover {
      background: rgba(0, 210, 255, 0.1);
      border-color: var(--neon-cyan);
      color: var(--neon-blue);
    }

    /* 宣传图画廊 */
    .gallery-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 30px;
    }
    .gallery-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      background: #f8fafc;
    }
    .gallery-item img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding-top: 60px;
      padding-bottom: 30px;
      margin-top: 60px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      position: relative;
    }
    .footer-col h4::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -6px;
      width: 24px;
      height: 2px;
      background: var(--neon-blue);
    }
    .footer-col p {
      font-size: 13.8px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 12px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links li a {
      font-size: 13.8px;
      color: var(--text-muted);
      transition: var(--transition);
    }
    .footer-links li a:hover {
      color: var(--neon-blue);
      padding-left: 4px;
    }
    .qr-box-wrap {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 10px;
    }
    .qr-box-wrap img {
      width: 120px;
      height: 120px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
      padding: 4px;
      background: #ffffff;
    }
    .qr-box-wrap span {
      font-size: 12.5px;
      color: var(--text-light);
    }

    /* 友情链接 */
    .friendly-links-bar {
      padding-top: 24px;
      margin-bottom: 24px;
      border-top: 1px solid rgba(67, 97, 238, 0.1);
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
    }
    .friendly-links-bar span {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
    }
    .friendly-links-bar a {
      font-size: 13px;
      color: var(--text-muted);
      transition: var(--transition);
    }
    .friendly-links-bar a:hover {
      color: var(--neon-blue);
    }
    .footer-bottom {
      border-top: 1px solid rgba(67, 97, 238, 0.08);
      padding-top: 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }
    .footer-bottom p {
      font-size: 13px;
      color: var(--text-light);
    }

    /* 浮动客服挂件 */
    .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;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
      border: 1px solid var(--border-neon);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--neon-blue);
      cursor: pointer;
      transition: var(--transition);
      font-weight: 700;
      font-size: 14px;
      position: relative;
    }
    .float-btn:hover {
      transform: scale(1.08);
      background: var(--neon-blue);
      color: #ffffff;
    }
    .float-qr-popover {
      position: absolute;
      right: 56px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-neon);
      border: 1px solid var(--border-color);
      display: none;
      flex-direction: column;
      align-items: center;
      white-space: nowrap;
    }
    .float-qr-popover img {
      width: 120px;
      height: 120px;
      display: block;
    }
    .float-btn:hover .float-qr-popover {
      display: flex;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 34px; }
      .service-grid, .intro-grid, .reviews-grid, .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .partner-banner {
        grid-template-columns: 1fr;
      }
      .form-section-card {
        grid-template-columns: 1fr;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        width: 100%;
        padding: 10px 0;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-title {
        font-size: 26px;
      }
      .service-grid, .intro-grid, .reviews-grid, .case-grid, .flow-steps, .gallery-grid {
        grid-template-columns: 1fr;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-box {
        padding: 36px 18px;
      }
      .partner-features {
        grid-template-columns: 1fr;
      }
    }