:root {
      --primary: #0052FF;
      --primary-dark: #003ECC;
      --accent-coral: #FF3B30;
      --accent-orange: #FF6B00;
      --accent-green: #00C853;
      --accent-purple: #7928CA;
      --accent-cyan: #00D2D3;
      --bg-main: #F4F6FA;
      --bg-surface: #FFFFFF;
      --bg-subtle: #EEF2F6;
      --text-main: #111827;
      --text-muted: #4B5563;
      --text-light: #6B7280;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-sm: 0 2px 8px rgba(0, 82, 255, 0.06);
      --shadow-card: 0 10px 30px rgba(17, 24, 39, 0.07);
      --shadow-hover: 0 16px 36px rgba(0, 82, 255, 0.15);
      --container-max: 1240px;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }

    ul, ol {
      list-style: none;
    }

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

    /* 顶部导航 */
    .header-wrapper {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--accent-orange);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    }

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

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

    .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
    }

    .brand-text-badge {
      font-size: 13px;
      font-weight: 700;
      color: #fff;
      background: linear-gradient(135deg, var(--accent-orange), var(--accent-coral));
      padding: 4px 10px;
      border-radius: 999px;
      letter-spacing: 0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      flex-wrap: wrap;
    }

    .nav-links li a {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: rgba(0, 82, 255, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 2px solid transparent;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      text-align: center;
    }

    .btn:active {
      transform: scale(0.98);
    }

    .btn-contrast-hero {
      background: linear-gradient(135deg, #FF6B00 0%, #FF3B30 100%);
      color: #FFFFFF !important;
      box-shadow: 0 8px 24px rgba(255, 107, 0, 0.35);
    }

    .btn-contrast-hero:hover {
      background: linear-gradient(135deg, #FF5500 0%, #E62E24 100%);
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(255, 107, 0, 0.45);
    }

    .btn-primary {
      background-color: var(--primary);
      color: #ffffff !important;
      box-shadow: 0 6px 20px rgba(0, 82, 255, 0.3);
    }

    .btn-primary:hover {
      background-color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(0, 82, 255, 0.4);
    }

    .btn-secondary {
      background-color: #ffffff;
      color: var(--primary) !important;
      border-color: var(--primary);
    }

    .btn-secondary:hover {
      background-color: rgba(0, 82, 255, 0.06);
    }

    .btn-outline-dark {
      background-color: #FFFFFF;
      color: var(--text-main);
      border-color: var(--border-color);
    }

    .btn-outline-dark:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    .mobile-menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
      width: 40px;
      height: 40px;
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      border-radius: 6px;
      cursor: pointer;
    }

    .mobile-menu-toggle span {
      width: 22px;
      height: 2px;
      background-color: var(--text-main);
      transition: all 0.3s ease;
    }

    /* 首屏 Hero - 绝无图片 */
    .hero-section {
      background: radial-gradient(circle at 85% 15%, rgba(255, 107, 0, 0.12) 0%, transparent 40%),
                  radial-gradient(circle at 15% 80%, rgba(0, 82, 255, 0.1) 0%, transparent 45%),
                  linear-gradient(180deg, #FFFFFF 0%, #F4F7FC 100%);
      padding: 60px 0 70px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background-color: #FFF0EB;
      border-left: 4px solid var(--accent-orange);
      color: #D93800;
      font-size: 13px;
      font-weight: 700;
      border-radius: 4px;
      margin-bottom: 20px;
      text-transform: uppercase;
    }

    .hero-title {
      font-size: 38px;
      line-height: 1.25;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .highlight-orange {
      color: var(--accent-orange);
    }

    .hero-title .highlight-blue {
      color: var(--primary);
    }

    .hero-desc {
      font-size: 17px;
      line-height: 1.7;
      color: var(--text-muted);
      margin-bottom: 32px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      align-items: center;
      margin-bottom: 30px;
    }

    .hero-features-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }

    .hero-features-list span {
      display: flex;
      align-items: center;
      gap: 6px;
      background: #FFFFFF;
      padding: 6px 12px;
      border-radius: 999px;
      border: 1px solid #E2E8F0;
      box-shadow: var(--shadow-sm);
    }

    .hero-features-list span::before {
      content: "✓";
      color: var(--accent-green);
      font-weight: 900;
    }

    /* 右侧首屏数据指标交互卡（纯代码构成） */
    .hero-panel {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 2px solid #E2E8F0;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
      padding: 30px;
      position: relative;
    }

    .hero-panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
    }

    .panel-pill {
      background: rgba(0, 200, 83, 0.12);
      color: var(--accent-green);
      font-size: 12px;
      font-weight: 800;
      padding: 4px 10px;
      border-radius: 20px;
    }

    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-bottom: 24px;
    }

    .metric-box {
      background: var(--bg-subtle);
      padding: 16px;
      border-radius: var(--radius-md);
      border-top: 4px solid var(--primary);
    }

    .metric-box:nth-child(2) {
      border-top-color: var(--accent-orange);
    }

    .metric-box:nth-child(3) {
      border-top-color: var(--accent-green);
    }

    .metric-box:nth-child(4) {
      border-top-color: var(--accent-purple);
    }

    .metric-box .label {
      font-size: 12px;
      color: var(--text-light);
      display: block;
      margin-bottom: 4px;
    }

    .metric-box .val {
      font-size: 24px;
      font-weight: 900;
      color: var(--text-main);
    }

    .hero-badge-strip {
      background: linear-gradient(90deg, #F8FAFC, #EDF2F7);
      padding: 14px;
      border-radius: var(--radius-sm);
      border: 1px dashed #CBD5E1;
      font-size: 13px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

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

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
    }

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

    .section-tag.coral { background-color: var(--accent-coral); }
    .section-tag.orange { background-color: var(--accent-orange); }
    .section-tag.green { background-color: var(--accent-green); }
    .section-tag.purple { background-color: var(--accent-purple); }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 16px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 卡片体系 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .card-item {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 28px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
      display: flex;
      flex-direction: column;
    }

    .card-item:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }

    .card-icon-pill {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
      background: rgba(0, 82, 255, 0.1);
      color: var(--primary);
    }

    .card-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      flex-grow: 1;
    }

    .card-highlight-tag {
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-top: 14px;
      align-self: flex-start;
      background: #EBF3FF;
      color: var(--primary);
    }

    /* 平台介绍与关于我们 */
    .about-box {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .about-text h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .about-text p {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.75;
      margin-bottom: 20px;
    }

    .points-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .point-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      font-weight: 600;
    }

    .point-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent-orange);
    }

    /* 支持大模型矩阵 */
    .models-cloud-wrapper {
      margin-top: 30px;
      background: #FFFFFF;
      padding: 24px;
      border-radius: var(--radius-md);
      border: 2px dashed #CBD5E1;
    }

    .models-tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .model-chip {
      background: #F1F5F9;
      color: var(--text-main);
      padding: 6px 14px;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 700;
      border: 1px solid #E2E8F0;
      transition: all 0.2s ease;
    }

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

    .model-chip.hot {
      background: #FFF3E0;
      color: #E65100;
      border-color: #FFE0B2;
    }

    /* 一站式制作全流程 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .process-step-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      border: 1px solid var(--border-color);
      position: relative;
    }

    .step-number {
      width: 36px;
      height: 36px;
      background: var(--accent-orange);
      color: #fff;
      font-weight: 900;
      font-size: 16px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
    }

    .step-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 素材图片图文区 */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 24px;
      margin-top: 30px;
    }

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

    .media-box {
      width: 100%;
      overflow: hidden;
      background-color: #E2E8F0;
    }

    .media-box img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.3s ease;
    }

    .media-box img:hover {
      transform: scale(1.02);
    }

    .media-content {
      padding: 20px;
    }

    .media-content h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .media-content p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测 - 满分10分 / 9.9分 / 五星 */
    .eval-highlight-strip {
      background: linear-gradient(135deg, #FF6B00 0%, #FF3B30 100%);
      color: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 30px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-highlight-left h3 {
      font-size: 26px;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .eval-highlight-left p {
      font-size: 15px;
      opacity: 0.95;
    }

    .eval-score-box {
      text-align: right;
      background: rgba(255, 255, 255, 0.15);
      padding: 16px 28px;
      border-radius: var(--radius-md);
      backdrop-filter: blur(8px);
    }

    .eval-score-num {
      font-size: 42px;
      font-weight: 900;
      line-height: 1;
    }

    .eval-stars {
      color: #FFD700;
      font-size: 20px;
      margin-top: 4px;
    }

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

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

    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
    }

    .comparison-table th {
      background-color: #F8FAFC;
      font-weight: 800;
      color: var(--text-main);
    }

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

    .td-highlight {
      background-color: rgba(0, 82, 255, 0.03);
      font-weight: 700;
      color: var(--primary);
    }

    .check-yes {
      color: var(--accent-green);
      font-weight: 900;
      display: inline-block;
      margin-right: 4px;
    }

    .check-no {
      color: var(--text-light);
      display: inline-block;
      margin-right: 4px;
    }

    /* 用户评论卡片 (6条) */
    .review-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-stars {
      color: #FFB300;
      font-size: 15px;
      margin-bottom: 12px;
    }

    .review-body {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 14px;
      border-top: 1px solid #F1F5F9;
    }

    .avatar-char {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
    }

    .author-info .name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info .role {
      font-size: 12px;
      color: var(--text-light);
    }

    /* FAQ 折叠面板 (>=10条) */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-header {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      background-color: #FFFFFF;
      user-select: none;
    }

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

    .faq-icon {
      font-size: 18px;
      font-weight: 400;
      transition: transform 0.3s ease;
      color: var(--text-light);
    }

    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      background-color: #F8FAFC;
    }

    .faq-content {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

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

    /* 需求匹配与表单 */
    .form-section-box {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 40px;
      border: 2px solid #E2E8F0;
      box-shadow: var(--shadow-card);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
    }

    .form-info-side {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .form-info-side h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .form-info-side p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .contact-mini-card {
      background: var(--bg-subtle);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
    }

    .contact-item-row {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .contact-label {
      color: var(--text-light);
      font-weight: 600;
      min-width: 70px;
    }

    .contact-value {
      color: var(--text-main);
      font-weight: 700;
    }

    .custom-form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background-color: #FAFAFA;
      transition: all 0.2s ease;
      outline: none;
    }

    .form-control:focus {
      background-color: #FFFFFF;
      border-color: var(--primary);
      box-shadow: 0 0 0 4px rgba(0, 82, 255, 0.1);
    }

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

    /* 行业资讯与文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

    .article-meta {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 10px;
    }

    .article-title {
      font-size: 16px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 12px;
    }

    .article-title a:hover {
      color: var(--primary);
    }

    .article-excerpt {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .article-more-link {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 页脚与友情链接 */
    .site-footer {
      background-color: #111827;
      color: #E5E7EB;
      padding-top: 60px;
      padding-bottom: 30px;
      border-top: 4px solid var(--primary);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-col h4::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 28px;
      height: 3px;
      background-color: var(--accent-orange);
    }

    .footer-links-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 14px;
    }

    .footer-links-list a {
      color: #9CA3AF;
    }

    .footer-links-list a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }

    .footer-qrcode-box {
      display: flex;
      align-items: center;
      gap: 16px;
      background: rgba(255, 255, 255, 0.05);
      padding: 14px;
      border-radius: var(--radius-sm);
    }

    .footer-qrcode-box img {
      width: 80px;
      height: 80px;
      border-radius: 4px;
      background-color: #FFFFFF;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: #9CA3AF;
    }

    .friend-links-bar {
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 13px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .friend-links-bar span {
      color: #FFFFFF;
      font-weight: 700;
    }

    .friend-links-bar a {
      color: #9CA3AF;
      padding: 2px 6px;
      border-radius: 4px;
      background: rgba(255, 255, 255, 0.05);
    }

    .friend-links-bar a:hover {
      color: #FFFFFF;
      background: var(--primary);
    }

    /* 悬浮客服面板 */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .widget-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
      cursor: pointer;
      position: relative;
    }

    .widget-btn.kefu-btn {
      background: var(--accent-orange);
      box-shadow: 0 4px 16px rgba(255, 107, 0, 0.4);
    }

    .qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
      border: 1px solid var(--border-color);
      display: none;
      width: 170px;
      text-align: center;
      color: var(--text-main);
    }

    .qr-popup img {
      width: 130px;
      height: 130px;
      display: block;
      margin: 0 auto 8px auto;
    }

    .qr-popup span {
      font-size: 12px;
      font-weight: 700;
      color: var(--text-muted);
    }

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

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: flex;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        border-bottom: 2px solid var(--primary);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
      }
      .nav-links.show {
        display: flex;
      }
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .grid-3 {
        grid-template-columns: 1fr;
      }
      .grid-4 {
        grid-template-columns: 1fr;
      }
      .about-box, 
      .form-section-box, 
      .media-showcase-grid {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .articles-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 28px;
      }
      .section-title {
        font-size: 24px;
      }
    }