:root {
      --primary: #4338ca;
      --primary-light: #6366f1;
      --accent-pop: #ff007a;
      --accent-cyan: #00d2ff;
      --accent-amber: #f59e0b;
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(67, 56, 202, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --shadow-hover: 0 20px 30px -10px rgba(67, 56, 202, 0.16);
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      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-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: var(--transition);
    }

    .nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

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

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

    .brand-name {
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-main);
    }

    .brand-badge {
      font-size: 0.72rem;
      background: linear-gradient(135deg, var(--accent-pop), var(--primary-light));
      color: #ffffff;
      padding: 2px 8px;
      border-radius: 20px;
      font-weight: 600;
    }

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

    .nav-links li a {
      display: block;
      padding: 8px 14px;
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 600;
      transition: var(--transition);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: rgba(99, 102, 241, 0.08);
    }

    .nav-action-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #ffffff !important;
      font-weight: 700;
      border-radius: 30px;
      text-decoration: none;
      font-size: 0.95rem;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
      transition: var(--transition);
    }

    .nav-action-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(79, 70, 229, 0.4);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-color);
      padding: 8px 12px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 1.1rem;
      color: var(--text-main);
    }

    /* 首屏纯CSS科技潮感模块 (严禁图片) */
    .hero-section {
      position: relative;
      padding: 80px 0 90px;
      background: radial-gradient(circle at 80% 20%, rgba(255, 0, 122, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 10% 80%, rgba(0, 210, 255, 0.08) 0%, transparent 40%),
                  linear-gradient(180deg, #ffffff 0%, var(--bg-main) 100%);
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-wrap {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }

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

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(255, 0, 122, 0.08);
      border: 1px solid rgba(255, 0, 122, 0.25);
      color: var(--accent-pop);
      font-weight: 700;
      font-size: 0.85rem;
      border-radius: 30px;
      margin-bottom: 24px;
    }

    .hero-tag-dot {
      width: 8px;
      height: 8px;
      background: var(--accent-pop);
      border-radius: 50%;
      animation: pulse 1.8s infinite;
    }

    .hero-title {
      font-size: clamp(2rem, 3.6vw, 3rem);
      line-height: 1.25;
      font-weight: 900;
      letter-spacing: -1px;
      color: #0b1120;
      margin-bottom: 20px;
    }

    .hero-title span {
      background: linear-gradient(135deg, #3b82f6 0%, #ec4899 50%, #8b5cf6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.12rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 34px;
      max-width: 600px;
    }

    .hero-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 36px;
    }

    .btn-super-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 34px;
      background: linear-gradient(135deg, #4f46e5, #ec4899);
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 800;
      border-radius: 30px;
      text-decoration: none;
      box-shadow: 0 10px 25px -4px rgba(236, 72, 153, 0.4);
      transition: var(--transition);
    }

    .btn-super-primary:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 15px 30px -4px rgba(236, 72, 153, 0.55);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      background: #ffffff;
      color: var(--text-main);
      font-size: 1.02rem;
      font-weight: 700;
      border: 1.5px solid var(--border-color);
      border-radius: 30px;
      text-decoration: none;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }

    .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    .hero-points span {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .hero-points span svg {
      width: 16px;
      height: 16px;
      fill: #10b981;
    }

    /* 首屏纯CSS图表卡片组合 (无图片) */
    .hero-visual-card {
      position: relative;
      background: #ffffff;
      border: 1px solid #e0e7ff;
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: 0 20px 40px -15px rgba(79, 70, 229, 0.12);
    }

    .matrix-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .matrix-status-pulse {
      font-size: 0.78rem;
      background: #ecfdf5;
      color: #059669;
      padding: 4px 10px;
      border-radius: 20px;
      font-weight: 700;
      border: 1px solid #a7f3d0;
    }

    .model-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 24px;
    }

    .model-pill {
      font-size: 0.8rem;
      font-weight: 700;
      padding: 6px 12px;
      background: #f1f5f9;
      color: #334155;
      border-radius: 8px;
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }

    .model-pill.hot {
      background: linear-gradient(135deg, rgba(255, 0, 122, 0.1), rgba(79, 70, 229, 0.1));
      color: var(--accent-pop);
      border-color: rgba(255, 0, 122, 0.25);
    }

    .data-stats-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .stat-mini-box {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      transition: var(--transition);
    }

    .stat-mini-box:hover {
      background: #ffffff;
      border-color: var(--primary-light);
      box-shadow: var(--shadow-sm);
    }

    .stat-num {
      font-size: 1.6rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.2;
      margin-bottom: 4px;
    }

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

    /* 通用章节容器与标题 */
    .section-wrap {
      padding: 85px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .section-bg-alt {
      background-color: #ffffff;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 55px;
    }

    .sub-badge {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 5px 14px;
      background: rgba(67, 56, 202, 0.08);
      color: var(--primary);
      border-radius: 30px;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: clamp(1.6rem, 2.8vw, 2.2rem);
      font-weight: 800;
      color: #0f172a;
      line-height: 1.35;
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 1.02rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 平台核心能力网格 */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 26px;
    }

    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(99, 102, 241, 0.4);
    }

    .feature-icon-bar {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.4rem;
      color: #ffffff;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
    }

    .feature-icon-bar.alt1 {
      background: linear-gradient(135deg, #ff007a, #ff758c);
    }
    .feature-icon-bar.alt2 {
      background: linear-gradient(135deg, #0284c7, #00d2ff);
    }
    .feature-icon-bar.alt3 {
      background: linear-gradient(135deg, #d97706, #fbbf24);
    }
    .feature-icon-bar.alt4 {
      background: linear-gradient(135deg, #059669, #34d399);
    }
    .feature-icon-bar.alt5 {
      background: linear-gradient(135deg, #7c3aed, #c084fc);
    }

    .feature-title {
      font-size: 1.22rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .feature-desc {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.68;
      flex-grow: 1;
    }

    /* 场景矩阵列表 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 20px;
    }

    .scenario-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      transition: var(--transition);
    }

    .scenario-box:hover {
      border-color: var(--accent-pop);
      transform: translateY(-3px);
      box-shadow: 0 10px 20px -5px rgba(255, 0, 122, 0.12);
    }

    .scenario-name {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 8px;
    }

    .scenario-tag {
      font-size: 0.72rem;
      padding: 2px 7px;
      border-radius: 4px;
      background: #eef2ff;
      color: var(--primary);
      font-weight: 600;
    }

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

    /* 评测与对比模块 */
    .review-score-hero {
      background: linear-gradient(135deg, #312e81, #1e1b4b);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      margin-bottom: 35px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: 0 20px 30px -10px rgba(49, 46, 129, 0.35);
    }

    .score-left h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .score-left p {
      font-size: 0.98rem;
      color: #c7d2fe;
    }

    .score-right {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }

    .score-big {
      font-size: 4rem;
      font-weight: 900;
      line-height: 1;
      color: #38bdf8;
    }

    .score-meta {
      font-size: 1rem;
      font-weight: 600;
      color: #e2e8f0;
    }

    .score-stars {
      color: #fbbf24;
      font-size: 1.35rem;
      letter-spacing: 2px;
    }

    .compare-table-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      min-width: 680px;
      border-collapse: collapse;
      text-align: left;
    }

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

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

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

    .highlight-col {
      background: rgba(238, 242, 255, 0.45);
      font-weight: 700;
      color: var(--primary);
    }

    /* 流程步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 24px;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      position: relative;
      transition: var(--transition);
    }

    .step-card:hover {
      border-color: var(--primary-light);
      transform: translateY(-4px);
    }

    .step-badge {
      font-size: 2rem;
      font-weight: 900;
      color: #e0e7ff;
      line-height: 1;
      margin-bottom: 14px;
    }

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

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

    /* 素材案例展示区 */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 26px;
      align-items: stretch;
    }

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

    .case-media-box {
      width: 100%;
      background: #f1f5f9;
      position: relative;
      overflow: hidden;
    }

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

    .case-card:hover .case-media-box img {
      transform: scale(1.03);
    }

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

    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

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

    .case-stack-pills {
      margin-top: 14px;
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .case-pill {
      font-size: 0.75rem;
      padding: 3px 8px;
      background: #f1f5f9;
      color: #475569;
      border-radius: 4px;
      font-weight: 600;
    }

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

    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #cbd5e1;
    }

    .quote-text {
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: normal;
    }

    .user-profile {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #f1f5f9;
      padding-top: 16px;
    }

    .user-avatar-initial {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-light), var(--accent-pop));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .user-details h4 {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-details span {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item.open {
      border-color: var(--primary-light);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      text-align: left;
      background: none;
      border: none;
      outline: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      gap: 16px;
    }

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
      background: #fafafa;
    }

    .faq-answer-inner {
      padding: 18px 24px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid #f1f5f9;
    }

    /* 表单与需求匹配区 */
    .form-section-wrap {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: start;
    }

    .form-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 34px;
      box-shadow: var(--shadow-sm);
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 22px;
    }

    .contact-icon-bubble {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: #eff6ff;
      color: #2563eb;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .contact-detail-text h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .contact-detail-text p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .custom-form {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 34px;
      box-shadow: var(--shadow-md);
    }

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

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.95rem;
      color: var(--text-main);
      background: #f8fafc;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
    }

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

    .submit-btn {
      width: 100%;
      padding: 14px;
      font-size: 1.05rem;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
    }

    .submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
    }

    /* 行业资讯与百科文章 */
    .articles-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .articles-links-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 20px;
    }

    .article-anchor {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      text-decoration: none;
      padding: 6px 14px;
      background: #eff6ff;
      border-radius: 20px;
      transition: var(--transition);
    }

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

    /* 加盟代理模块 */
    .agent-banner {
      background: linear-gradient(135deg, #fdf2f8 0%, #ede9fe 100%);
      border: 1.5px dashed #c084fc;
      border-radius: var(--radius-lg);
      padding: 40px;
      text-align: center;
    }

    .agent-title {
      font-size: 1.8rem;
      font-weight: 800;
      color: #581c87;
      margin-bottom: 12px;
    }

    .agent-desc {
      font-size: 1.02rem;
      color: #6b21a8;
      max-width: 700px;
      margin: 0 auto 24px;
    }

    /* 友情链接与页脚 */
    .footer-section {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 45px;
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      color: #f8fafc;
      margin-bottom: 18px;
    }

    .footer-col p {
      font-size: 0.9rem;
      line-height: 1.7;
      margin-bottom: 14px;
    }

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

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

    .footer-links-list a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.9rem;
      transition: var(--transition);
    }

    .footer-links-list a:hover {
      color: #38bdf8;
    }

    .qr-box {
      background: #1e293b;
      padding: 10px;
      border-radius: var(--radius-sm);
      display: inline-block;
      max-width: 130px;
    }

    .qr-box img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 4px;
    }

    .friendly-links-wrap {
      border-top: 1px solid #1e293b;
      padding-top: 25px;
      margin-bottom: 25px;
    }

    .friendly-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: #cbd5e1;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

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

    .friendly-links a {
      color: #64748b;
      text-decoration: none;
      font-size: 0.86rem;
      transition: var(--transition);
    }

    .friendly-links a:hover {
      color: #38bdf8;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 25px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动操作按钮 */
    .float-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 990;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--primary);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
      text-decoration: none;
      font-size: 1.2rem;
    }

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

    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.2); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.8; }
    }

    /* 响应式样式适配 */
    @media (max-width: 992px) {
      .hero-wrap {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .case-gallery-grid {
        grid-template-columns: 1fr;
      }
      .form-section-wrap {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        padding: 12px 16px;
      }
    }

    @media (max-width: 640px) {
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-section {
        padding: 50px 0 60px;
      }
      .section-wrap {
        padding: 60px 0;
      }
      .data-stats-grid {
        grid-template-columns: 1fr;
      }
      .hero-buttons {
        flex-direction: column;
        align-items: stretch;
      }
      .btn-super-primary,
      .btn-secondary {
        text-align: center;
      }
    }