/* ================= 鲜绿夺目风 视觉体系 ================= */
    :root {
      --primary-color: #0ea855;
      --primary-hover: #088340;
      --primary-accent: #00d668;
      --primary-light: #e8f9f0;
      --primary-subtle: #f0fbf5;
      --text-main: #141b17;
      --text-muted: #54655c;
      --text-sub: #7a8d83;
      --bg-page: #f8faf9;
      --bg-card: #ffffff;
      --border-color: #dbe7df;
      --border-focus: #10b981;
      --shadow-sm: 0 2px 8px rgba(14, 168, 85, 0.05);
      --shadow-md: 0 8px 24px rgba(14, 168, 85, 0.08);
      --shadow-lg: 0 16px 36px rgba(14, 168, 85, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --max-width: 1200px;
      --transition: all 0.28s ease;
    }

    * {
      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-page);
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    ul, ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }

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

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

    .brand-logo-wrap {
      max-height: 40px;
      display: flex;
      align-items: center;
    }

    .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
    }

    .brand-name {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-tag {
      font-size: 11px;
      background: var(--primary-light);
      color: var(--primary-color);
      font-weight: 600;
      padding: 2px 8px;
      border-radius: 20px;
      border: 1px solid rgba(14, 168, 85, 0.2);
    }

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

    .nav-item {
      display: inline-block;
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      transition: var(--transition);
    }

    .nav-item:hover {
      color: var(--primary-color);
      background: var(--primary-light);
    }

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

    .btn-nav-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--primary-color);
      color: #ffffff !important;
      font-weight: 600;
      font-size: 14px;
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      box-shadow: 0 4px 12px rgba(14, 168, 85, 0.25);
      transition: var(--transition);
    }

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

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    .menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
    }

    .btn-primary {
      background: var(--primary-color);
      color: #ffffff;
      box-shadow: 0 4px 16px rgba(14, 168, 85, 0.28);
    }

    .btn-primary:hover {
      background: var(--primary-hover);
      box-shadow: 0 6px 20px rgba(14, 168, 85, 0.35);
      transform: translateY(-2px);
    }

    .btn-outline {
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--text-main);
    }

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

    /* 首屏 HERO (无图片) */
    .hero-section {
      background: linear-gradient(180deg, #ffffff 0%, var(--primary-subtle) 100%);
      padding: 72px 0 64px;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-inner {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid rgba(14, 168, 85, 0.3);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-color);
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge::before {
      content: "";
      width: 8px;
      height: 8px;
      background: var(--primary-color);
      border-radius: 50%;
      display: inline-block;
      animation: pulseDot 2s infinite;
    }

    @keyframes pulseDot {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(14, 168, 85, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(14, 168, 85, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(14, 168, 85, 0); }
    }

    .hero-title {
      font-size: 40px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-title span {
      color: var(--primary-color);
      position: relative;
      display: inline-block;
    }

    .hero-desc {
      font-size: 18px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .hero-stat-num {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 4px;
      font-family: inherit;
    }

    .hero-stat-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 区域通用样式 */
    .section-wrap {
      padding: 80px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .section-wrap.bg-white {
      background: #ffffff;
    }

    .section-wrap.bg-subtle {
      background: var(--bg-page);
    }

    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 52px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary-color);
      text-transform: uppercase;
      letter-spacing: 1px;
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 750;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 平台支持模型标签墙 */
    .model-tags-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .model-tags-title {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 600;
      margin-bottom: 16px;
    }

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

    .model-tag-item {
      background: var(--primary-subtle);
      border: 1px solid rgba(14, 168, 85, 0.2);
      color: var(--text-main);
      padding: 6px 14px;
      font-size: 13px;
      font-weight: 500;
      border-radius: 30px;
      transition: var(--transition);
    }

    .model-tag-item:hover {
      background: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
    }

    /* 服务能力卡片网格 */
    .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;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .service-header {
      margin-bottom: 16px;
    }

    .service-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary-color);
      background: var(--primary-light);
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .service-name {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .service-features {
      margin-top: 18px;
      padding-top: 16px;
      border-top: 1px dashed var(--border-color);
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .service-feature-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .service-feature-item::before {
      content: "✓";
      color: var(--primary-color);
      font-weight: bold;
    }

    /* 场景矩阵多栏卡片 */
    .scenes-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .scene-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .scene-box-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .scene-box-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 平台介绍大板块 */
    .intro-block {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .intro-content h3 {
      font-size: 26px;
      font-weight: 750;
      color: var(--text-main);
      margin-bottom: 18px;
      line-height: 1.35;
    }

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

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

    .intro-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .intro-bullet {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: bold;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .intro-item-text {
      font-size: 13.5px;
      color: var(--text-main);
      font-weight: 500;
    }

    .intro-media-card {
      background: var(--primary-subtle);
      border: 1px solid rgba(14, 168, 85, 0.2);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }

    .media-card-wrap {
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 16px;
      border: 1px solid var(--border-color);
      background: #ffffff;
    }

    .media-card-wrap img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .media-caption {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 流程步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .step-card:hover {
      border-color: var(--primary-color);
      transform: translateY(-3px);
    }

    .step-index {
      width: 42px;
      height: 42px;
      line-height: 42px;
      border-radius: 50%;
      background: var(--primary-color);
      color: #ffffff;
      font-weight: 700;
      font-size: 18px;
      margin: 0 auto 16px;
      box-shadow: 0 4px 10px rgba(14, 168, 85, 0.25);
    }

    .step-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 对比评测版块 */
    .compare-section-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .rating-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: var(--primary-light);
      border: 1px solid rgba(14, 168, 85, 0.2);
      border-radius: var(--radius-md);
      padding: 20px 28px;
      margin-bottom: 30px;
    }

    .rating-left {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .rating-score {
      font-size: 38px;
      font-weight: 850;
      color: var(--primary-color);
      line-height: 1;
    }

    .rating-stars {
      font-size: 18px;
      color: #f59e0b;
      margin-bottom: 4px;
    }

    .rating-label {
      font-size: 13px;
      color: var(--text-muted);
    }

    .rating-badge {
      background: var(--primary-color);
      color: #ffffff;
      padding: 8px 18px;
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
    }

    .table-responsive {
      overflow-x: auto;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    .compare-table th, .compare-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-color);
    }

    .compare-table th {
      background: #f1f5f3;
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table tr:hover td {
      background: var(--primary-subtle);
    }

    .highlight-col {
      background: rgba(14, 168, 85, 0.04);
      font-weight: 600;
      color: var(--primary-color);
    }

    /* 案例展示 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

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

    .case-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary-color);
    }

    .case-img-wrap {
      width: 100%;
      height: 240px;
      overflow: hidden;
      background: #eee;
    }

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

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

    .case-body {
      padding: 24px;
      flex: 1;
    }

    .case-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary-color);
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 8px;
      display: inline-block;
    }

    .case-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 宣传图画廊 */
    .banner-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 36px;
    }

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

    .banner-item img {
      width: 100%;
      height: 190px;
      object-fit: cover;
      display: block;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

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

    .review-content {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 18px;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .review-avatar-char {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary-color);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }

    .review-user-name {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }

    .review-user-role {
      font-size: 12px;
      color: var(--text-sub);
    }

    /* FAQ 手风琴 */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

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

    .faq-question {
      padding: 18px 22px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 600;
      font-size: 15.5px;
      color: var(--text-main);
      background: #ffffff;
      user-select: none;
    }

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

    .faq-icon {
      font-size: 18px;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: var(--primary-subtle);
    }

    .faq-answer-inner {
      padding: 18px 22px;
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid rgba(14, 168, 85, 0.1);
    }

    /* 资讯与百科 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .article-box {
      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;
    }

    .article-box-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .article-box-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .article-links-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
      border-top: 1px dashed var(--border-color);
      padding-top: 14px;
    }

    .article-link-anchor {
      font-size: 13.5px;
      color: var(--primary-color);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .article-link-anchor:hover {
      text-decoration: underline;
    }

    /* 需求表单与联系我们 */
    .contact-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .contact-info-col {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-title {
      font-size: 24px;
      font-weight: 750;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .contact-detail-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin: 20px 0;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14.5px;
      color: var(--text-muted);
    }

    .contact-item strong {
      color: var(--text-main);
      width: 90px;
    }

    .qr-box-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--primary-subtle);
      border: 1px solid rgba(14, 168, 85, 0.2);
      border-radius: var(--radius-sm);
      padding: 16px;
      margin-top: 16px;
    }

    .qr-img-wrap {
      width: 84px;
      height: 84px;
      background: #ffffff;
      border-radius: 4px;
      border: 1px solid var(--border-color);
      overflow: hidden;
    }

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

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

    /* 表单组件 */
    .form-col form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

    .form-label {
      font-size: 13.5px;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background: #ffffff;
      transition: var(--transition);
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(14, 168, 85, 0.12);
    }

    .form-textarea {
      resize: vertical;
      min-height: 90px;
    }

    /* 代理加盟激励条 */
    .join-banner {
      background: linear-gradient(135deg, var(--primary-color) 0%, #066d33 100%);
      border-radius: var(--radius-lg);
      padding: 40px;
      color: #ffffff;
      text-align: center;
      margin-top: 40px;
      box-shadow: var(--shadow-lg);
    }

    .join-title {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .join-desc {
      font-size: 15px;
      opacity: 0.9;
      max-width: 680px;
      margin: 0 auto 24px;
      line-height: 1.6;
    }

    .join-btn {
      background: #ffffff;
      color: var(--primary-color);
      font-weight: 700;
      padding: 12px 32px;
      border-radius: var(--radius-sm);
      display: inline-block;
      transition: var(--transition);
    }

    .join-btn:hover {
      background: #f0fdf4;
      transform: translateY(-2px);
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #111a14;
      color: #94a39b;
      padding: 48px 0 32px;
      border-top: 1px solid #233429;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 40px;
      padding-bottom: 32px;
      border-bottom: 1px solid #233429;
    }

    .footer-brand-title {
      color: #ffffff;
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .footer-brand-desc {
      font-size: 13.5px;
      line-height: 1.65;
      max-width: 480px;
    }

    .footer-friend-title {
      color: #ffffff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 12px;
    }

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

    .footer-links-wrap a {
      color: #a7b7ae;
      font-size: 13px;
      background: #1a271f;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid #283e30;
      transition: var(--transition);
    }

    .footer-links-wrap a:hover {
      color: var(--primary-accent);
      border-color: var(--primary-accent);
    }

    .footer-bottom {
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      flex-wrap: wrap;
      gap: 12px;
    }

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

    .footer-bottom-links a:hover {
      color: #ffffff;
    }

    /* 浮动侧边栏客服 */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      box-shadow: 0 4px 16px rgba(0,0,0,0.15);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary-color);
      font-size: 20px;
      transition: var(--transition);
    }

    .float-btn:hover {
      background: var(--primary-color);
      color: #ffffff;
      transform: translateY(-2px);
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .services-grid, .reviews-grid, .banner-gallery {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenes-grid, .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .intro-block, .contact-block {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px;
        box-shadow: 0 8px 16px rgba(0,0,0,0.06);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-item {
        width: 100%;
        padding: 10px 0;
      }
      .header-actions {
        display: none;
      }
      .hero-title {
        font-size: 28px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .services-grid, .scenes-grid, .steps-grid, .cases-grid, .banner-gallery, .reviews-grid, .articles-grid {
        grid-template-columns: 1fr;
      }
      .rating-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }