:root {
      --primary: #f5b700;
      --primary-light: #ffd447;
      --primary-soft: #fff9e6;
      --dark: #121316;
      --dark-card: #1c1d22;
      --text-main: #1f2329;
      --text-muted: #646a73;
      --bg-page: #fbfbfd;
      --bg-card: #ffffff;
      --border-color: #edeef2;
      --shadow-sm: 0 4px 12px rgba(18, 19, 22, 0.04);
      --shadow-md: 0 8px 24px rgba(245, 183, 0, 0.12);
      --shadow-lg: 0 16px 36px rgba(18, 19, 22, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    .container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .brand-logo-wrap img {
      max-height: 44px;
      width: auto;
      object-fit: contain;
    }

    .brand-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: -0.5px;
    }

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

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

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--dark);
      background: var(--primary-soft);
      font-weight: 600;
    }

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

    .btn-top-portal {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--dark);
      background: var(--primary);
      border-radius: 30px;
      box-shadow: 0 4px 14px rgba(245, 183, 0, 0.35);
      transition: var(--transition);
    }

    .btn-top-portal:hover {
      background: var(--primary-light);
      transform: translateY(-1px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--dark);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 首屏 Hero - 无任何图片，纯高能黄黑科技构图 */
    .hero-section {
      background: linear-gradient(180deg, #fffcf0 0%, #fbfbfd 100%);
      padding: 80px 0 60px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid rgba(245, 183, 0, 0.15);
    }

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

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      background: #ffffff;
      border: 1px solid var(--primary);
      padding: 6px 16px;
      border-radius: 50px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background: #f5b700;
      border-radius: 50%;
      margin-right: 10px;
      box-shadow: 0 0 0 3px rgba(245, 183, 0, 0.25);
    }

    .hero-badge-wrap span {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--dark);
      letter-spacing: 0.5px;
    }

    .hero-h1 {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 900;
      color: var(--dark);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-h1 .highlight {
      background: linear-gradient(120deg, #f5b700 0%, #e0a300 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      padding: 0 4px;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 820px;
      margin-bottom: 36px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      margin-bottom: 50px;
    }

    .btn-main-hero {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--primary);
      color: var(--dark);
      font-size: 1.1rem;
      font-weight: 800;
      padding: 16px 36px;
      border-radius: 12px;
      box-shadow: 0 8px 24px rgba(245, 183, 0, 0.45);
      border: 2px solid transparent;
      transition: var(--transition);
    }

    .btn-main-hero:hover {
      background: var(--primary-light);
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(245, 183, 0, 0.55);
    }

    .btn-sub-hero {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #ffffff;
      color: var(--dark);
      font-size: 1.05rem;
      font-weight: 700;
      padding: 15px 30px;
      border-radius: 12px;
      border: 1.5px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 20px;
      transition: var(--transition);
      position: relative;
      border-left: 4px solid var(--primary);
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .metric-num {
      font-size: 2rem;
      font-weight: 900;
      color: var(--dark);
      display: flex;
      align-items: baseline;
      gap: 4px;
    }

    .metric-num span {
      font-size: 1.1rem;
      color: #e0a300;
    }

    .metric-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-top: 4px;
    }

    .metric-sub {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 2px;
    }

    /* 区域通用规范 */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 800;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--dark);
      background: var(--primary);
      padding: 4px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }

    .section-subtitle {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 平台介绍 */
    .about-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 18px;
      color: var(--dark);
    }

    .about-text p {
      color: var(--text-main);
      font-size: 0.98rem;
      margin-bottom: 16px;
      text-align: justify;
    }

    .about-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 24px;
    }

    .model-chip {
      background: #f7f8fa;
      border: 1px solid #e5e6eb;
      font-size: 0.8rem;
      font-weight: 600;
      color: #333;
      padding: 6px 12px;
      border-radius: 8px;
      transition: var(--transition);
    }

    .model-chip:hover {
      background: var(--primary-soft);
      border-color: var(--primary);
      color: var(--dark);
    }

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

    .mini-feature {
      background: #fffdf5;
      border: 1px solid rgba(245, 183, 0, 0.3);
      padding: 20px;
      border-radius: var(--radius-md);
      transition: var(--transition);
    }

    .mini-feature:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .mini-feature h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--dark);
    }

    .mini-feature p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* AIGC 服务场景卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .service-card::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: transparent;
      transition: var(--transition);
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: #ffd447;
    }

    .service-card:hover::after {
      background: var(--primary);
    }

    .service-icon {
      width: 44px;
      height: 44px;
      background: var(--primary-soft);
      color: var(--dark);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      font-weight: 900;
      margin-bottom: 18px;
      border: 1px solid rgba(245, 183, 0, 0.4);
    }

    .service-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-tag {
      font-size: 0.75rem;
      background: #f4f5f8;
      color: #555;
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 一站式制作流水线与素材配图 */
    .workflow-section {
      background: #fffef7;
      border-top: 1px solid rgba(245, 183, 0, 0.15);
      border-bottom: 1px solid rgba(245, 183, 0, 0.15);
    }

    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 50px;
    }

    .step-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .step-badge {
      font-size: 0.8rem;
      font-weight: 800;
      color: var(--dark);
      background: var(--primary);
      padding: 3px 10px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 12px;
    }

    .step-item h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--dark);
    }

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

    .media-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      margin-top: 30px;
    }

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

    .media-img-wrap {
      width: 100%;
      background: #eee;
      overflow: hidden;
      position: relative;
    }

    .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(1.02);
    }

    .media-info {
      padding: 18px 22px;
    }

    .media-info h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 4px;
    }

    .media-info p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 行业解决方案与宣传条幅 */
    .banner-gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 36px;
    }

    .banner-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      background: #fff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .banner-box:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .banner-box img {
      width: 100%;
      height: 140px;
      object-fit: cover;
      display: block;
    }

    .banner-caption {
      padding: 12px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--dark);
      text-align: center;
    }

    /* 对比评测规范板块 */
    .benchmark-section {
      background: #ffffff;
    }

    .score-banner {
      background: linear-gradient(135deg, #1c1d22 0%, #2b2e36 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      border-left: 8px solid var(--primary);
    }

    .score-left h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 6px;
      color: #ffffff;
    }

    .score-left p {
      font-size: 0.95rem;
      color: #bbb;
    }

    .score-badge-box {
      display: flex;
      align-items: center;
      gap: 20px;
      background: rgba(255, 255, 255, 0.08);
      padding: 14px 28px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(245, 183, 0, 0.3);
    }

    .score-number {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .score-detail {
      font-size: 0.85rem;
      line-height: 1.4;
    }

    .score-stars {
      color: var(--primary);
      font-size: 1.1rem;
      letter-spacing: 2px;
    }

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

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

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

    .compare-table th {
      background: #f7f8fa;
      font-weight: 700;
      color: var(--dark);
    }

    .compare-table th.highlight-col,
    .compare-table td.highlight-col {
      background: #fffdf5;
      font-weight: 700;
      color: #8f6700;
      border-left: 2px solid var(--primary);
      border-right: 2px solid var(--primary);
    }

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

    /* 需求匹配与加盟代理双栏 */
    .conversion-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      margin-top: 20px;
    }

    .agent-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      border-top: 4px solid var(--primary);
    }

    .agent-box h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 12px;
    }

    .agent-box p {
      color: var(--text-muted);
      font-size: 0.95rem;
      margin-bottom: 20px;
    }

    .agent-benefits {
      list-style: none;
      margin-bottom: 28px;
    }

    .agent-benefits li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--dark);
      margin-bottom: 10px;
    }

    .agent-benefits li::before {
      content: "✔";
      color: #000;
      background: var(--primary);
      width: 18px;
      height: 18px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.7rem;
    }

    .form-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .form-box h3 {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 6px;
    }

    .form-box .sub-hint {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 6px;
    }

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

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(245, 183, 0, 0.2);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 85px;
    }

    .btn-submit {
      width: 100%;
      background: var(--primary);
      color: var(--dark);
      font-size: 1rem;
      font-weight: 800;
      padding: 14px;
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 14px rgba(245, 183, 0, 0.35);
      transition: var(--transition);
    }

    .btn-submit:hover {
      background: var(--primary-light);
      transform: translateY(-1px);
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .review-avatar-char {
      width: 44px;
      height: 44px;
      background: var(--primary-soft);
      border: 1.5px solid var(--primary);
      color: var(--dark);
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }

    .reviewer-info h4 {
      font-size: 0.98rem;
      font-weight: 700;
      color: var(--dark);
    }

    .reviewer-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .review-body {
      font-size: 0.88rem;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 14px;
    }

    .review-tag {
      font-size: 0.75rem;
      font-weight: 600;
      color: #946c00;
      background: var(--primary-soft);
      padding: 4px 8px;
      border-radius: 4px;
      align-self: flex-start;
    }

    /* FAQ 折叠面板 */
    .faq-grid {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

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

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

    .faq-toggle-icon {
      font-size: 1.2rem;
      transition: var(--transition);
      color: var(--primary);
      font-weight: 900;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fffdf5;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.6;
    }

    .faq-item.open .faq-answer {
      max-height: 200px;
      padding: 16px 24px 20px;
    }

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

    /* 行业资讯与百科 */
    .info-split-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .info-block {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .info-block h3 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .info-list {
      list-style: none;
    }

    .info-list li {
      padding: 10px 0;
      border-bottom: 1px dashed var(--border-color);
      font-size: 0.92rem;
    }

    .info-list li:last-child {
      border-bottom: none;
    }

    .info-list a {
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .info-list a:hover {
      color: #946c00;
    }

    .info-date {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 页脚与联系我们 */
    .site-footer {
      background: #121316;
      color: #c5c7cb;
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1.2fr 1.5fr 1.3fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--primary);
    }

    .footer-col p {
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 12px;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 8px;
      font-size: 0.88rem;
    }

    .footer-col ul li a:hover {
      color: var(--primary);
    }

    .footer-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 10px;
      font-size: 0.88rem;
    }

    .qrcode-box {
      background: #ffffff;
      padding: 8px;
      border-radius: var(--radius-sm);
      display: inline-block;
      max-width: 120px;
      margin-top: 8px;
    }

    .qrcode-box img {
      width: 100%;
      height: auto;
      display: block;
    }

    .qrcode-desc {
      font-size: 0.75rem;
      text-align: center;
      color: #555;
      margin-top: 4px;
    }

    .friendly-links-wrap {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 20px 0;
      margin-top: 20px;
      font-size: 0.85rem;
    }

    .friendly-links-title {
      color: #888;
      margin-bottom: 8px;
      font-weight: 600;
    }

    .friendly-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friendly-links-list a {
      color: #999;
    }

    .friendly-links-list a:hover {
      color: var(--primary);
    }

    .copyright-bar {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      text-align: center;
      font-size: 0.8rem;
      color: #777;
    }

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

    .float-btn {
      width: 48px;
      height: 48px;
      background: #ffffff;
      color: var(--dark);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(0,0,0,0.15);
      border: 2px solid var(--primary);
      cursor: pointer;
      font-weight: 800;
      font-size: 0.85rem;
      transition: var(--transition);
      position: relative;
    }

    .float-btn:hover {
      background: var(--primary);
      transform: scale(1.05);
    }

    .float-qr-popup {
      position: absolute;
      right: 56px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      width: 150px;
      display: none;
      text-align: center;
    }

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

    .float-qr-popup img {
      width: 100%;
      height: auto;
    }

    /* 响应式断点 */
    @media (max-width: 992px) {
      .hero-h1 {
        font-size: 2.1rem;
      }
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .media-showcase-grid {
        grid-template-columns: 1fr;
      }
      .conversion-split,
      .about-grid,
      .info-split-grid {
        grid-template-columns: 1fr;
      }
      .banner-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 2px solid var(--primary);
      }
      .nav-links.open {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
    }

    @media (max-width: 576px) {
      .hero-h1 {
        font-size: 1.7rem;
      }
      .hero-metrics-grid {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .workflow-timeline {
        grid-template-columns: 1fr;
      }
      .banner-gallery-grid {
        grid-template-columns: 1fr;
      }
      .score-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .about-feature-cards {
        grid-template-columns: 1fr;
      }
    }