:root {
      --primary: #00b853;
      --primary-dark: #008f40;
      --primary-deep: #054e28;
      --primary-light: #e8f9ef;
      --primary-soft: #d0f4de;
      --accent: #10b981;
      --accent-glow: rgba(0, 184, 83, 0.2);
      --bg-page: #f8fbf9;
      --bg-white: #ffffff;
      --bg-card: #ffffff;
      --text-main: #111827;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --border-color: #e5e7eb;
      --border-light: #ecfdf5;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-xl: 24px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 20px -2px rgba(0, 184, 83, 0.08), 0 2px 6px -1px rgba(0,0,0,0.04);
      --shadow-hover: 0 12px 30px -4px rgba(0, 184, 83, 0.16), 0 4px 12px -2px rgba(0,0,0,0.05);
      --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;
      color: var(--text-main);
      background-color: var(--bg-page);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

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

    /* 容器居中统一样式 */
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 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);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0, 184, 83, 0.15);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }

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

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

    .ai-page-logo {
      height: 44px;
      width: auto;
      display: block;
      object-fit: contain;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary-deep);
      letter-spacing: -0.5px;
      line-height: 1.2;
    }

    .brand-subtitle {
      font-size: 0.72rem;
      color: var(--primary);
      font-weight: 600;
      letter-spacing: 0.5px;
    }

    /* 必须设置 .nav-links 的 gap 属性为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links li a {
      padding: 8px 14px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      display: block;
      white-space: nowrap;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: var(--radius-md);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
    }

    .btn-primary {
      background: linear-gradient(135deg, #00c853 0%, #009640 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(0, 184, 83, 0.35);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #00b34a 0%, #008037 100%);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 184, 83, 0.45);
    }

    .btn-outline {
      background: #ffffff;
      color: var(--primary-dark);
      border-color: var(--primary);
    }

    .btn-outline:hover {
      background: var(--primary-light);
      transform: translateY(-2px);
    }

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

    /* Hero 首屏 - 严禁出现任何图片，纯CSS与科技卡片交互 */
    .hero-section {
      position: relative;
      background: radial-gradient(circle at 80% 20%, #e3faec 0%, #f6fbf8 50%, #ffffff 100%);
      padding: 70px 0 80px;
      border-bottom: 1px solid rgba(0, 184, 83, 0.12);
      overflow: hidden;
    }

    .hero-decor-circle {
      position: absolute;
      top: -100px;
      right: -80px;
      width: 480px;
      height: 480px;
      background: radial-gradient(circle, rgba(0, 184, 83, 0.12) 0%, rgba(255,255,255,0) 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-decor-grid {
      position: absolute;
      inset: 0;
      background-size: 32px 32px;
      background-image: 
        linear-gradient(to right, rgba(0, 184, 83, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 184, 83, 0.04) 1px, transparent 1px);
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary-light);
      border: 1px solid rgba(0, 184, 83, 0.3);
      color: var(--primary-deep);
      font-size: 0.84rem;
      font-weight: 700;
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 20px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(0, 184, 83, 0.25);
    }

    /* H1 字数限制在20字以内 */
    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0b2e1b;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }

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

    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-muted);
      margin-bottom: 30px;
      max-width: 600px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-hero-official {
      background: linear-gradient(135deg, #00b853 0%, #00873c 100%);
      color: #ffffff;
      font-size: 1.05rem;
      padding: 13px 30px;
      border-radius: var(--radius-md);
      box-shadow: 0 8px 24px rgba(0, 184, 83, 0.4);
      font-weight: 800;
    }

    .btn-hero-official:hover {
      background: linear-gradient(135deg, #00a44a 0%, #007534 100%);
      transform: translateY(-3px);
      box-shadow: 0 12px 28px rgba(0, 184, 83, 0.5);
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
    }

    .hero-tag {
      background: #ffffff;
      border: 1px solid rgba(0, 184, 83, 0.2);
      color: var(--primary-deep);
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
    }

    /* 首屏右侧纯科技数据交互卡片（首屏无图片） */
    .hero-tech-card {
      background: #ffffff;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(0, 184, 83, 0.2);
      box-shadow: 0 20px 40px -10px rgba(0, 184, 83, 0.12), 0 0 0 1px rgba(0, 184, 83, 0.05);
      padding: 28px;
      position: relative;
    }

    .tech-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 18px;
      border-bottom: 1px solid #f0fdf4;
      margin-bottom: 20px;
    }

    .tech-pill {
      font-size: 0.78rem;
      font-weight: 700;
      background: var(--primary-light);
      color: var(--primary-dark);
      padding: 4px 10px;
      border-radius: 999px;
    }

    .tech-metrics-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-bottom: 20px;
    }

    .metric-box {
      background: #f9fdfa;
      border: 1px solid #e7f7ed;
      border-radius: var(--radius-md);
      padding: 14px;
    }

    .metric-val {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1.2;
    }

    .metric-lbl {
      font-size: 0.78rem;
      color: var(--text-light);
      margin-top: 4px;
    }

    .tech-console-mock {
      background: #0f1f17;
      border-radius: var(--radius-md);
      padding: 14px;
      color: #7ee787;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.8rem;
      line-height: 1.5;
    }

    .console-line {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .console-prompt {
      color: #38bdf8;
    }

    /* 通用Section布局 */
    .section {
      padding: 70px 0;
      position: relative;
    }

    .section-alt {
      background-color: #ffffff;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 46px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 800;
      color: var(--primary-dark);
      text-transform: uppercase;
      letter-spacing: 1px;
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 12px;
      border: 1px solid rgba(0, 184, 83, 0.2);
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #0c311c;
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 网格卡片系统 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid rgba(0, 184, 83, 0.15);
      padding: 26px;
      box-shadow: var(--shadow-md);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(0, 184, 83, 0.35);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      background: var(--primary-light);
      color: var(--primary-dark);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 18px;
      border: 1px solid rgba(0, 184, 83, 0.2);
    }

    .card-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: #0d3820;
      margin-bottom: 10px;
    }

    .card-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    .card-footer {
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px solid #f3f4f6;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    /* 平台支持模型流光列表 */
    .model-pills-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-pill {
      background: #ffffff;
      border: 1px solid #d1fae5;
      padding: 6px 14px;
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #065f46;
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
      transition: var(--transition);
    }

    .model-pill:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    /* 场景矩阵卡片样式 */
    .scene-card {
      background: #ffffff;
      border: 1px solid #e2f5ea;
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .scene-badge {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary-dark);
      background: var(--primary-light);
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 8px;
    }

    .scene-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0c2d1b;
      margin-bottom: 6px;
    }

    .scene-text {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测表格与卡片 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #054e28 0%, #00873c 100%);
      color: #ffffff;
      border-radius: var(--radius-xl);
      padding: 34px;
      margin-bottom: 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      box-shadow: 0 16px 36px rgba(0, 143, 64, 0.2);
    }

    .eval-score-wrap {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .eval-big-score {
      font-size: 3.8rem;
      font-weight: 900;
      line-height: 1;
      color: #7ee787;
    }

    .eval-score-detail h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .eval-stars {
      color: #facc15;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }

    .table-container {
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid #e5e7eb;
      box-shadow: var(--shadow-sm);
    }

    .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 #f1f5f9;
      font-size: 0.92rem;
    }

    .comparison-table th {
      background: #f8fbf9;
      font-weight: 700;
      color: #0f172a;
    }

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

    .col-highlight {
      background: #f0fdf4;
      font-weight: 700;
      color: var(--primary-deep);
    }

    /* Token比价区 */
    .token-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid #e2f5ea;
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .token-name {
      font-size: 1.15rem;
      font-weight: 800;
      color: #0d3820;
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--primary-dark);
      margin: 10px 0;
    }

    .token-unit {
      font-size: 0.8rem;
      color: var(--text-light);
      font-weight: normal;
    }

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

    .flow-step {
      background: #ffffff;
      border: 1px solid #e5e7eb;
      border-radius: var(--radius-lg);
      padding: 24px 20px;
      position: relative;
      transition: var(--transition);
    }

    .flow-step:hover {
      border-color: var(--primary);
      transform: translateY(-4px);
    }

    .flow-num {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      font-size: 1rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
    }

    /* 真实素材图片专区（非首屏） */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: center;
    }

    .media-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid #e5e7eb;
      box-shadow: var(--shadow-sm);
    }

    .media-card img {
      width: 100%;
      height: auto;
      display: block;
      transition: var(--transition);
    }

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

    .media-caption {
      padding: 16px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      background: #ffffff;
      border-top: 1px solid #f3f4f6;
    }

    /* 客户评价卡片 */
    .testimonial-card {
      background: #ffffff;
      border: 1px solid #e7f7ed;
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-rating {
      color: #eab308;
      font-size: 1rem;
      margin-bottom: 12px;
    }

    .testimonial-content {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      font-style: italic;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      padding-top: 12px;
      border-top: 1px solid #f3f4f6;
    }

    .author-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary-dark);
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.05rem;
    }

    .author-info h4 {
      font-size: 0.94rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid #e5e7eb;
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: rgba(0, 184, 83, 0.4);
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 1.05rem;
      font-weight: 700;
      color: #0c331e;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 400;
      color: var(--primary);
      transition: var(--transition);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #fbfdfc;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

    /* 文章与资讯列表 */
    .article-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid #e2f5ea;
      padding: 24px;
      margin-bottom: 24px;
    }

    .article-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      list-style: none;
      margin-top: 14px;
    }

    .article-links-list li a {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary-dark);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      font-weight: 600;
    }

    .article-links-list li a:hover {
      background: var(--primary);
      color: #ffffff;
    }

    /* 表单组件 */
    .contact-card-box {
      background: #ffffff;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(0, 184, 83, 0.2);
      box-shadow: var(--shadow-md);
      padding: 40px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #d1d5db;
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      color: var(--text-main);
      background-color: #fcfdfd;
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 4px var(--accent-glow);
      background-color: #ffffff;
    }

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

    /* 浮动组件与客服 */
    .float-contact-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 6px 18px rgba(0, 184, 83, 0.4);
      cursor: pointer;
      transition: var(--transition);
      border: none;
      font-size: 1.2rem;
    }

    .float-btn:hover {
      background: var(--primary-dark);
      transform: scale(1.08);
    }

    .qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(0, 184, 83, 0.2);
      box-shadow: var(--shadow-hover);
      display: none;
      width: 170px;
      text-align: center;
    }

    .qr-popup img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      display: block;
    }

    .qr-popup-tip {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 6px;
      font-weight: 600;
    }

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

    /* 页脚 */
    .site-footer {
      background-color: #072515;
      color: #9ca3af;
      padding: 60px 0 30px;
      margin-top: auto;
      border-top: 3px solid var(--primary);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

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

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      color: #cbd5e1;
      font-size: 0.88rem;
    }

    .footer-links a:hover {
      color: #4ade80;
    }

    .footer-friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 10px;
    }

    .footer-friend-links a {
      color: #94a3b8;
      background: rgba(255, 255, 255, 0.06);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.82rem;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      font-size: 0.84rem;
    }

    .footer-bottom a {
      color: #a7f3d0;
    }

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

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        padding: 16px 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        border-bottom: 2px solid var(--primary);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 14px;
        border-radius: var(--radius-sm);
      }
      .hero-title {
        font-size: 2rem;
      }
      .grid-4, .grid-3, .grid-2, .flow-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .eval-highlight-box {
        flex-direction: column;
        text-align: center;
      }
      .eval-score-wrap {
        flex-direction: column;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }