:root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --secondary: #06b6d4;
      --accent: #d946ef;
      --border-color: #e2e8f0;
      --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.04), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --holo-gradient: linear-gradient(135deg, #e0e7ff 0%, #fae8ff 35%, #e0f2fe 70%, #fef3c7 100%);
      --holo-border: linear-gradient(135deg, #818cf8, #c084fc, #38bdf8, #f472b6);
      --holo-text: linear-gradient(135deg, #312e81 0%, #4338ca 40%, #0369a1 80%, #701a75 100%);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-xl: 28px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      background-image: 
        radial-gradient(at 0% 0%, rgba(224, 231, 255, 0.65) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(250, 232, 255, 0.65) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(224, 242, 254, 0.45) 0px, transparent 60%),
        radial-gradient(at 100% 100%, rgba(254, 243, 199, 0.5) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(243, 232, 255, 0.5) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

    .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, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: var(--transition);
    }

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

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

    .brand-logo-wrap {
      max-width: 130px;
      display: flex;
      align-items: center;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      color: #1e1b4b;
      letter-spacing: -0.5px;
    }

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

    .nav-item a {
      display: inline-block;
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      transition: var(--transition);
      white-space: nowrap;
    }

    .nav-item a:hover {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.06);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 18px;
      font-size: 0.88rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      border-radius: 9999px;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
      transition: var(--transition);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .btn-nav-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
      color: #ffffff;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* 通用组件与版式 */
    .section-spacing {
      padding: 72px 0;
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 48px auto;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: #4338ca;
      background: linear-gradient(135deg, #e0e7ff 0%, #f5d0fe 100%);
      border: 1px solid rgba(192, 132, 252, 0.4);
      border-radius: 9999px;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #0f172a;
      letter-spacing: -0.5px;
      line-height: 1.25;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 1.02rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 镭射质感卡片基底 */
    .holo-card {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .holo-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, #6366f1, #d946ef, #06b6d4, #f59e0b);
      opacity: 0.85;
      transition: var(--transition);
    }

    .holo-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 30px -10px rgba(79, 70, 229, 0.12), 0 10px 15px -5px rgba(0, 0, 0, 0.04);
      border-color: rgba(167, 139, 250, 0.5);
    }

    /* Hero 首屏 - 无任何图片 */
    .hero-section {
      padding: 64px 0 80px 0;
      position: relative;
      text-align: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 18px;
      background: linear-gradient(90deg, rgba(224, 231, 255, 0.9), rgba(250, 232, 255, 0.9));
      border: 1px solid rgba(167, 139, 250, 0.4);
      border-radius: 9999px;
      font-size: 0.9rem;
      font-weight: 700;
      color: #3730a3;
      margin-bottom: 24px;
      box-shadow: 0 4px 12px rgba(129, 140, 248, 0.15);
    }

    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 20px;
      color: #0f172a;
    }

    .hero-title-gradient {
      background: linear-gradient(135deg, #3730a3 0%, #7c3aed 40%, #0284c7 80%, #9333ea 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 1.18rem;
      color: #334155;
      max-width: 860px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .btn-hero-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 15px 34px;
      font-size: 1.05rem;
      font-weight: 800;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #06b6d4 100%);
      border: none;
      border-radius: 9999px;
      box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
      transition: var(--transition);
      cursor: pointer;
    }

    .btn-hero-main:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(147, 51, 234, 0.45);
      color: #ffffff;
    }

    .btn-hero-sub {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 28px;
      font-size: 1.02rem;
      font-weight: 700;
      color: #1e293b;
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 9999px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
      transition: var(--transition);
    }

    .btn-hero-sub:hover {
      background: #f8fafc;
      border-color: #94a3b8;
      color: var(--primary);
      transform: translateY(-2px);
    }

    /* 核心数据指标卡片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1080px;
      margin: 0 auto;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.9);
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      box-shadow: var(--card-shadow);
      position: relative;
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: #312e81;
      line-height: 1;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 2px;
    }

    .stat-num span {
      font-size: 1.1rem;
      color: #6366f1;
    }

    .stat-label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* 聚合模型徽章云 */
    .models-marquee-wrap {
      background: rgba(255, 255, 255, 0.7);
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-radius: var(--radius-lg);
      padding: 24px;
      margin-top: 36px;
    }

    .models-header {
      font-size: 0.95rem;
      font-weight: 700;
      color: #475569;
      text-align: center;
      margin-bottom: 16px;
    }

    .models-tags {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .model-tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 9999px;
      font-size: 0.84rem;
      font-weight: 600;
      color: #1e293b;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.02);
      transition: var(--transition);
    }

    .model-tag:hover {
      border-color: #818cf8;
      background: #eef2ff;
      color: #3730a3;
      transform: translateY(-2px);
    }

    /* 关于我们 / 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 1.6rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
    }

    .about-content p {
      color: #334155;
      margin-bottom: 18px;
      font-size: 0.98rem;
      line-height: 1.7;
    }

    .about-feature-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 24px;
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.9rem;
      font-weight: 600;
      color: #1e293b;
    }

    .about-feature-item svg {
      width: 20px;
      height: 20px;
      fill: #4f46e5;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .about-visual-box {
      background: linear-gradient(135deg, rgba(238, 242, 255, 0.9), rgba(250, 232, 255, 0.9));
      border: 1px solid rgba(192, 132, 252, 0.3);
      border-radius: var(--radius-xl);
      padding: 32px;
      box-shadow: var(--card-shadow);
    }

    .visual-highlight-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 20px;
      margin-bottom: 16px;
      border: 1px solid #e2e8f0;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
    }

    .visual-highlight-card:last-child {
      margin-bottom: 0;
    }

    .vh-title {
      font-weight: 700;
      color: #1e1b4b;
      margin-bottom: 6px;
      font-size: 1rem;
    }

    .vh-desc {
      font-size: 0.86rem;
      color: #64748b;
    }

    /* AIGC 服务与场景网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 26px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 16px 30px rgba(99, 102, 241, 0.12);
      border-color: #a5b4fc;
    }

    .service-icon-wrap {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, #e0e7ff, #f3e8ff);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      color: #4f46e5;
    }

    .service-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .service-card-desc {
      font-size: 0.9rem;
      color: #475569;
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-badge-pill {
      align-self: flex-start;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 10px;
      background: #f1f5f9;
      color: #334155;
      border-radius: 9999px;
      border: 1px solid #e2e8f0;
    }

    /* 一站式制作全景场景展示 */
    .scene-cards-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .scene-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 20px;
      transition: var(--transition);
    }

    .scene-item:hover {
      border-color: #c084fc;
      box-shadow: 0 10px 20px rgba(192, 132, 252, 0.12);
      transform: translateY(-3px);
    }

    .scene-name {
      font-size: 0.98rem;
      font-weight: 700;
      color: #1e1b4b;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .scene-desc {
      font-size: 0.84rem;
      color: #64748b;
      line-height: 1.55;
    }

    /* 行业方案与图文展示区（非首屏允许图片） */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-top: 32px;
    }

    .media-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid #e2e8f0;
      overflow: hidden;
      box-shadow: var(--card-shadow);
    }

    .media-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #e2e8f0;
      overflow: hidden;
    }

    .media-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: var(--transition);
    }

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

    .media-info {
      padding: 22px;
    }

    .media-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .media-desc {
      font-size: 0.88rem;
      color: #475569;
      line-height: 1.6;
    }

    /* 标准创作流程 */
    .workflow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .workflow-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      transition: var(--transition);
    }

    .workflow-card:hover {
      border-color: #818cf8;
      box-shadow: 0 10px 22px rgba(99, 102, 241, 0.1);
      transform: translateY(-3px);
    }

    .step-badge {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 800;
      color: #4f46e5;
      background: #eef2ff;
      padding: 4px 10px;
      border-radius: 9999px;
      margin-bottom: 12px;
    }

    .step-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.85rem;
      color: #64748b;
      line-height: 1.55;
    }

    /* 对比评测 - 5星 9.9分 */
    .benchmark-hero {
      background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(245, 243, 255, 0.95));
      border: 1px solid rgba(192, 132, 252, 0.4);
      border-radius: var(--radius-xl);
      padding: 36px;
      box-shadow: var(--card-shadow);
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

    .benchmark-rating-box {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 96px;
      height: 96px;
      border-radius: 50%;
      background: linear-gradient(135deg, #4f46e5, #9333ea);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
    }

    .score-val {
      font-size: 2.2rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-total {
      font-size: 0.72rem;
      opacity: 0.9;
    }

    .benchmark-text-group h3 {
      font-size: 1.5rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 6px;
    }

    .star-row {
      color: #f59e0b;
      font-size: 1.2rem;
      display: flex;
      gap: 3px;
      margin-bottom: 6px;
    }

    .benchmark-table-wrapper {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      overflow-x: auto;
      box-shadow: var(--card-shadow);
    }

    .benchmark-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

    .benchmark-table th,
    .benchmark-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
    }

    .benchmark-table th {
      background: #f8fafc;
      color: #1e293b;
      font-weight: 700;
    }

    .benchmark-table tr.highlight-row {
      background: #faf5ff;
    }

    .benchmark-table tr.highlight-row td {
      font-weight: 600;
      color: #4338ca;
    }

    .tag-good {
      display: inline-block;
      padding: 3px 8px;
      background: #dcfce7;
      color: #15803d;
      border-radius: 4px;
      font-size: 0.78rem;
      font-weight: 700;
    }

    .tag-normal {
      display: inline-block;
      padding: 3px 8px;
      background: #f1f5f9;
      color: #64748b;
      border-radius: 4px;
      font-size: 0.78rem;
    }

    /* 客户真实评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.92rem;
      color: #334155;
      line-height: 1.65;
      margin-bottom: 20px;
      font-style: italic;
    }

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

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #c7d2fe, #fbcfe8);
      color: #3730a3;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
    }

    .reviewer-name {
      font-size: 0.92rem;
      font-weight: 700;
      color: #0f172a;
    }

    .reviewer-role {
      font-size: 0.78rem;
      color: #64748b;
    }

    /* FAQ 常见问题折叠面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.02rem;
      font-weight: 700;
      color: #1e293b;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

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

    .faq-icon {
      font-size: 1.2rem;
      color: #94a3b8;
      transition: var(--transition);
    }

    .faq-answer {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out, padding 0.35s ease-out;
      font-size: 0.92rem;
      color: #475569;
      line-height: 1.7;
    }

    .faq-item.active {
      border-color: #818cf8;
      box-shadow: 0 4px 16px rgba(99, 102, 241, 0.08);
    }

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

    .faq-item.active .faq-answer {
      padding: 0 24px 20px 24px;
      max-height: 300px;
    }

    /* 需求表单与联系我们 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: stretch;
    }

    .contact-form-box {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-xl);
      padding: 32px;
      box-shadow: var(--card-shadow);
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      font-size: 0.92rem;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      outline: none;
      transition: var(--transition);
      background: #f8fafc;
      color: #0f172a;
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
    }

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

    .btn-submit-form {
      width: 100%;
      padding: 14px;
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      background: linear-gradient(135deg, #4f46e5, #7c3aed);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
      transition: var(--transition);
    }

    .btn-submit-form:hover {
      background: linear-gradient(135deg, #4338ca, #6d28d9);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(79, 70, 229, 0.4);
    }

    .contact-info-box {
      background: linear-gradient(135deg, #ffffff 0%, #fdf4ff 100%);
      border: 1px solid rgba(226, 232, 240, 0.9);
      border-radius: var(--radius-xl);
      padding: 32px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-channel-item {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 20px;
    }

    .channel-icon-pill {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: #ede9fe;
      color: #6d28d9;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
    }

    .channel-label {
      font-size: 0.8rem;
      color: #64748b;
    }

    .channel-value {
      font-size: 0.98rem;
      font-weight: 700;
      color: #0f172a;
    }

    .qr-card {
      display: flex;
      align-items: center;
      gap: 18px;
      padding: 16px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      margin-top: 10px;
    }

    .qr-img-box {
      width: 88px;
      height: 88px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid #cbd5e1;
      flex-shrink: 0;
    }

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

    /* 行业资讯 / 最新文章 */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 24px;
    }

    .article-item {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 18px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-item:hover {
      border-color: #818cf8;
      transform: translateY(-3px);
      box-shadow: 0 8px 18px rgba(99, 102, 241, 0.08);
    }

    .article-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
      line-height: 1.45;
    }

    .article-meta {
      font-size: 0.8rem;
      color: #64748b;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid #e2e8f0;
      padding: 48px 0 28px 0;
      margin-top: 60px;
      color: #334155;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.2fr 2fr;
      gap: 40px;
      margin-bottom: 36px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      color: #64748b;
      margin-top: 12px;
      line-height: 1.6;
    }

    .friendly-links-wrap h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 14px;
    }

    .friendly-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friendly-links-list a {
      font-size: 0.85rem;
      color: #475569;
      background: #f1f5f9;
      padding: 6px 14px;
      border-radius: 9999px;
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }

    .friendly-links-list a:hover {
      color: #4f46e5;
      background: #e0e7ff;
      border-color: #818cf8;
    }

    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 0.84rem;
      color: #64748b;
    }

    .footer-nav {
      display: flex;
      gap: 16px;
    }

    .footer-nav a:hover {
      color: var(--primary);
    }

    /* 悬浮客服挂件与返回顶部 */
    .float-widget {
      position: fixed;
      right: 24px;
      bottom: 28px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: #4f46e5;
      font-weight: 700;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      background: #4f46e5;
      color: #ffffff;
      transform: translateY(-3px);
    }

    .qr-tooltip {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
      border: 1px solid #e2e8f0;
      display: none;
      width: 130px;
      text-align: center;
      font-size: 0.75rem;
      color: #1e293b;
    }

    .qr-tooltip img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      margin-bottom: 6px;
    }

    .float-btn.kefu-btn:hover .qr-tooltip {
      display: block;
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scene-cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .article-links-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        padding: 16px 20px;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 2.1rem;
      }
      .section-title {
        font-size: 1.65rem;
      }
      .hero-stats-grid,
      .services-grid,
      .scene-cards-grid,
      .media-showcase-grid,
      .workflow-steps-grid,
      .reviews-grid,
      .article-links-grid {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }