/* CSS 全局基础变量与样式重置 */
    :root {
      --primary-green: #00b359;
      --vibrant-green: #00e676;
      --deep-emerald: #007a3d;
      --mint-bg: #f4fbf7;
      --card-bg: #ffffff;
      --text-main: #132219;
      --text-secondary: #4b6354;
      --text-muted: #718b7c;
      --border-color: #d8ede0;
      --border-hover: #00b359;
      --shadow-sm: 0 4px 12px rgba(0, 122, 61, 0.05);
      --shadow-md: 0 8px 24px rgba(0, 122, 61, 0.09);
      --shadow-lg: 0 16px 36px rgba(0, 122, 61, 0.14);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --container-max: 1200px;
      --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, "Noto Sans", sans-serif;
      background-color: var(--mint-bg);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 15%, rgba(0, 230, 118, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 85%, rgba(0, 179, 89, 0.07) 0%, transparent 45%);
      background-attachment: fixed;
    }

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

    /* 统一居中容器规范 */
    .site-container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 导航栏样式 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

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

    .brand-title {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--deep-emerald);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .brand-badge {
      font-size: 0.72rem;
      font-weight: 600;
      background: var(--vibrant-green);
      color: #064e26;
      padding: 3px 8px;
      border-radius: 20px;
      text-transform: uppercase;
    }

    /* 关键规则：.nav-links gap 设置为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links li a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-secondary);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--deep-emerald);
      background-color: rgba(0, 230, 118, 0.12);
    }

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

    .btn-nav-primary {
      background: linear-gradient(135deg, var(--vibrant-green), var(--primary-green));
      color: #033c1d;
      font-weight: 700;
      padding: 10px 18px;
      border-radius: 40px;
      box-shadow: 0 4px 14px rgba(0, 230, 118, 0.35);
      border: 1px solid rgba(0, 122, 61, 0.1);
    }

    .btn-nav-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(0, 230, 118, 0.45);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--text-main);
    }

    /* 首屏 Hero 区域（严禁任何图片资源） */
    .hero-section {
      padding: 64px 0 54px;
      position: relative;
    }

    .hero-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .hero-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #e8f9ef;
      border: 1px solid #bdf1d2;
      color: var(--deep-emerald);
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 0.88rem;
      font-weight: 700;
      margin-bottom: 22px;
      animation: pulseGlow 3s infinite alternate;
    }

    .hero-chip-dot {
      width: 8px;
      height: 8px;
      background-color: var(--primary-green);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--vibrant-green);
    }

    /* H1 字数控制在 20 字以内 */
    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0b2214;
      margin-bottom: 20px;
      letter-spacing: -1px;
      max-width: 900px;
    }

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

    .hero-description {
      font-size: 1.15rem;
      color: var(--text-secondary);
      max-width: 800px;
      margin-bottom: 36px;
      line-height: 1.8;
    }

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

    .btn-hero-official {
      background: linear-gradient(135deg, #00f281 0%, #00b359 100%);
      color: #02381a;
      font-size: 1.15rem;
      font-weight: 800;
      padding: 15px 38px;
      border-radius: 50px;
      box-shadow: 0 10px 28px rgba(0, 179, 89, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: 2px solid #52ffaa;
      transition: var(--transition);
    }

    .btn-hero-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 16px 36px rgba(0, 179, 89, 0.55);
    }

    .btn-hero-secondary {
      background: #ffffff;
      color: var(--deep-emerald);
      border: 2px solid #c7ecd5;
      font-size: 1.05rem;
      font-weight: 700;
      padding: 14px 32px;
      border-radius: 50px;
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-secondary:hover {
      border-color: var(--primary-green);
      background-color: #f0fbf4;
      transform: translateY(-2px);
    }

    /* 首屏数据网格（纯 CSS 与文字构建，不含图片） */
    .hero-stats-grid {
      width: 100%;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 10px;
    }

    .stat-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .stat-card-box::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--vibrant-green), var(--primary-green));
      opacity: 0;
      transition: var(--transition);
    }

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

    .stat-card-box:hover::before {
      opacity: 1;
    }

    .stat-num-val {
      font-size: 2.1rem;
      font-weight: 900;
      color: var(--deep-emerald);
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .stat-num-unit {
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary-green);
      margin-left: 2px;
    }

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

    /* 模块通用标题与包裹 */
    .section-wrap {
      padding: 60px 0;
      position: relative;
    }

    .section-alt {
      background-color: #ebf8f0;
      border-top: 1px solid #d8ede0;
      border-bottom: 1px solid #d8ede0;
    }

    .section-header-block {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 46px;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 0.84rem;
      font-weight: 800;
      color: var(--deep-emerald);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      background: #e1f7e9;
      padding: 4px 14px;
      border-radius: 12px;
      margin-bottom: 12px;
      border: 1px solid #bbf0cb;
    }

    .section-headline {
      font-size: 2.2rem;
      font-weight: 800;
      color: #0d2716;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-subtext {
      font-size: 1.02rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* 模型徽章聚合滚动条 */
    .model-tags-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 40px;
    }

    .model-tags-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--deep-emerald);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .model-badge-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .model-badge {
      font-size: 0.85rem;
      font-weight: 600;
      padding: 6px 14px;
      background: #f0fbf4;
      border: 1px solid #c9ebd4;
      border-radius: 30px;
      color: #0b4522;
      transition: var(--transition);
    }

    .model-badge:hover {
      background: var(--vibrant-green);
      color: #003617;
      border-color: var(--primary-green);
      transform: translateY(-2px);
    }

    /* 服务场景网格 */
    .grid-three-col {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .grid-two-col {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

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

    .feature-icon-bar {
      width: 50px;
      height: 50px;
      background: #e2f9ea;
      color: var(--deep-emerald);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 18px;
      border: 1px solid #b9f3cd;
    }

    .feature-card-title {
      font-size: 1.22rem;
      font-weight: 700;
      color: #0e2918;
      margin-bottom: 12px;
    }

    .feature-card-desc {
      font-size: 0.94rem;
      color: var(--text-secondary);
      line-height: 1.65;
      flex-grow: 1;
    }

    .feature-card-footer {
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px dashed #e1f0e6;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--deep-emerald);
    }

    /* 对比评测高亮板块 */
    .benchmark-card {
      background: #ffffff;
      border: 2px solid #b7f0cc;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .benchmark-banner-badge {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(135deg, #09371d, #0d4a27);
      color: #ffffff;
      padding: 20px 28px;
      border-radius: var(--radius-md);
      margin-bottom: 30px;
      border: 1px solid #00ff73;
    }

    .benchmark-rating-huge {
      font-size: 2.6rem;
      font-weight: 900;
      color: #3aff8b;
      line-height: 1;
    }

    .benchmark-stars {
      color: #ffca28;
      font-size: 1.3rem;
      letter-spacing: 2px;
    }

    .comparison-table-wrapper {
      width: 100%;
      overflow-x: auto;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
      min-width: 650px;
    }

    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #e7f5ed;
    }

    .comparison-table th {
      background-color: #f2faf5;
      font-weight: 700;
      color: #0b3d1f;
    }

    .comparison-table tr:hover td {
      background-color: #fafffc;
    }

    .highlight-col {
      background-color: #edfbf2;
      font-weight: 700;
      color: #007a3d;
    }

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

    .step-item-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      position: relative;
      transition: var(--transition);
    }

    .step-item-box:hover {
      border-color: var(--primary-green);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .step-num-pill {
      display: inline-block;
      width: 38px;
      height: 38px;
      line-height: 38px;
      text-align: center;
      background: var(--vibrant-green);
      color: #06401f;
      font-weight: 800;
      border-radius: 50%;
      margin-bottom: 14px;
    }

    .step-item-title {
      font-size: 1.12rem;
      font-weight: 700;
      color: #0d2817;
      margin-bottom: 8px;
    }

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

    /* 案例展示区（含非首屏横版素材图） */
    .case-gallery-layout {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

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

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

    .case-img-holder {
      width: 100%;
      aspect-ratio: 16 / 9;
      background-color: #e5f6ec;
      overflow: hidden;
    }

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

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

    .case-content-area {
      padding: 22px;
    }

    .case-tag-name {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary-green);
      background: #ecfaf1;
      padding: 3px 10px;
      border-radius: 12px;
      display: inline-block;
      margin-bottom: 8px;
    }

    .case-title {
      font-size: 1.18rem;
      font-weight: 700;
      color: #0b2c17;
      margin-bottom: 8px;
    }

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

    /* 宣传图展示卡片（宣传图 banner/27 与 29） */
    .banners-duo-wrapper {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 22px;
      margin-top: 32px;
    }

    .banner-view-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      box-shadow: var(--shadow-sm);
    }

    .banner-view-card img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-sm);
      display: block;
    }

    /* 用户评论卡片 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .testimonial-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);
    }

    .testimonial-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-green);
    }

    .testimonial-quote {
      font-size: 0.94rem;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 18px;
      position: relative;
    }

    .testimonial-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #edf7f1;
      padding-top: 14px;
    }

    .testimonial-avatar-fallback {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #d3f7e1;
      color: var(--deep-emerald);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.05rem;
      border: 2px solid var(--vibrant-green);
    }

    .testimonial-author-name {
      font-size: 0.98rem;
      font-weight: 700;
      color: #0c2b18;
    }

    .testimonial-author-role {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* FAQ 手风琴 */
    .faq-container-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

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

    .faq-question-btn {
      width: 100%;
      padding: 18px 22px;
      background: none;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      text-align: left;
      font-size: 1.02rem;
      font-weight: 700;
      color: #0b2a17;
      cursor: pointer;
    }

    .faq-question-btn:hover {
      background-color: #f7fdf9;
    }

    .faq-icon-arrow {
      width: 22px;
      height: 22px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: #e3f8eb;
      color: var(--deep-emerald);
      font-size: 0.85rem;
      transition: transform 0.25s ease;
    }

    .faq-accordion-item.active .faq-icon-arrow {
      transform: rotate(180deg);
      background: var(--vibrant-green);
    }

    .faq-answer-pane {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #fbfefc;
    }

    .faq-answer-inner {
      padding: 0 22px 20px;
      font-size: 0.94rem;
      color: var(--text-secondary);
      line-height: 1.7;
      border-top: 1px solid #f0f7f2;
    }

    /* 表单与需求匹配 */
    .form-box-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

    .form-grid-two {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .form-control-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: 18px;
    }

    .form-label-txt {
      font-size: 0.9rem;
      font-weight: 700;
      color: #0d2c18;
    }

    .form-input-field,
    .form-select-field,
    .form-textarea-field {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cfead8;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #fafdfb;
      transition: var(--transition);
      outline: none;
    }

    .form-input-field:focus,
    .form-select-field:focus,
    .form-textarea-field:focus {
      border-color: var(--primary-green);
      box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.25);
      background: #ffffff;
    }

    .form-textarea-field {
      resize: vertical;
      min-height: 120px;
    }

    .btn-form-submit {
      width: 100%;
      padding: 15px;
      background: linear-gradient(135deg, var(--vibrant-green), var(--primary-green));
      color: #043719;
      font-size: 1.05rem;
      font-weight: 800;
      border: none;
      border-radius: 40px;
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(0, 179, 89, 0.35);
      transition: var(--transition);
    }

    .btn-form-submit:hover {
      box-shadow: 0 8px 24px rgba(0, 179, 89, 0.45);
      transform: translateY(-2px);
    }

    /* 资讯与文章列表 */
    .news-articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 24px;
    }

    .news-article-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .article-title-link {
      font-size: 1.02rem;
      font-weight: 700;
      color: #0c2d18;
      line-height: 1.5;
      margin-bottom: 12px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

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

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

    /* 快捷入口与动态文章列表容器 */
    .article-extra-links {
      background: #f1faf4;
      border: 1px dashed #b9e8cb;
      padding: 18px 22px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }

    /* 联系与客服二维码展示 */
    .contact-card-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .contact-details-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .contact-info-row {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.98rem;
    }

    .contact-label-badge {
      font-weight: 700;
      color: var(--deep-emerald);
      background: #e2f8ea;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.86rem;
      min-width: 80px;
      text-align: center;
    }

    .qr-showcase-box {
      background: #f7fdf9;
      border: 1px solid #ccecd8;
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
    }

    .qr-showcase-box img {
      width: 170px;
      height: 170px;
      object-fit: cover;
      border-radius: var(--radius-sm);
      border: 1px solid #d0efdc;
      margin-bottom: 12px;
    }

    .qr-hint-text {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--deep-emerald);
    }

    /* 友情链接与主页链接 */
    .friend-links-area {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      margin-bottom: 30px;
    }

    .friend-links-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #0b2e19;
      margin-bottom: 12px;
    }

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

    .friend-links-flex a {
      font-size: 0.88rem;
      color: var(--text-secondary);
      background: #f3fcf6;
      padding: 5px 12px;
      border-radius: 6px;
      border: 1px solid #d4eedd;
    }

    .friend-links-flex a:hover {
      background: var(--vibrant-green);
      color: #053b1a;
      border-color: var(--primary-green);
    }

    /* 统一规范的紧凑页脚 */
    .site-footer {
      background-color: #072212;
      color: #d1e7da;
      padding: 40px 0 28px;
      border-top: 3px solid var(--vibrant-green);
      font-size: 0.9rem;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 30px;
    }

    .footer-brand-summary {
      line-height: 1.7;
      color: #a4c9b3;
      max-width: 440px;
      margin-top: 10px;
    }

    .footer-col-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 14px;
      position: relative;
    }

    .footer-links-vertical {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links-vertical a {
      color: #a4c9b3;
    }

    .footer-links-vertical a:hover {
      color: #38ef7d;
      padding-left: 4px;
    }

    .footer-bottom-bar {
      border-top: 1px solid #143e24;
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 14px;
      color: #83aa92;
      font-size: 0.85rem;
    }

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

    .floating-btn-item {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--deep-emerald);
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 1.15rem;
      transition: var(--transition);
      text-decoration: none;
    }

    .floating-btn-item:hover {
      background: var(--vibrant-green);
      color: #02381a;
      transform: scale(1.08);
    }

    /* 简单动效 */
    @keyframes pulseGlow {
      0% { box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.4); }
      100% { box-shadow: 0 0 0 8px rgba(0, 230, 118, 0); }
    }

    /* 响应式适配 */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.2rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .grid-three-col { grid-template-columns: repeat(2, 1fr); }
      .flow-steps-grid { grid-template-columns: repeat(2, 1fr); }
      .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
      .news-articles-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top-grid { grid-template-columns: 1fr; }
      .contact-card-box { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show-mobile { display: flex; }
      .mobile-menu-toggle { display: block; }
      .hero-title { font-size: 1.85rem; }
      .hero-stats-grid { grid-template-columns: 1fr; }
      .grid-three-col, .grid-two-col { grid-template-columns: 1fr; }
      .flow-steps-grid { grid-template-columns: 1fr; }
      .case-gallery-layout { grid-template-columns: 1fr; }
      .banners-duo-wrapper { grid-template-columns: 1fr; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .news-articles-grid { grid-template-columns: 1fr; }
      .form-grid-two { grid-template-columns: 1fr; }
    }