:root {
      --bg-main: #f5f9ff;
      --bg-card: #ffffff;
      --bg-card-glass: rgba(255, 255, 255, 0.85);
      --text-main: #0c1527;
      --text-sub: #3d5070;
      --text-muted: #647b9b;
      --primary: #00d287;
      --primary-glow: #00ffaa;
      --secondary: #0066ff;
      --neon-cyan: #00f0ff;
      --neon-purple: #8c30f5;
      --neon-orange: #ff7300;
      --border-color: #d6e4f7;
      --border-glow: rgba(0, 240, 255, 0.4);
      --shadow-sm: 0 4px 12px rgba(12, 21, 39, 0.04);
      --shadow-md: 0 8px 24px rgba(0, 102, 255, 0.08);
      --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.25), 0 0 40px rgba(0, 210, 135, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-width: 1200px;
      --transition-fast: 0.2s ease;
      --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    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);
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(0, 240, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 20%, rgba(140, 48, 245, 0.07) 0%, transparent 45%),
        radial-gradient(circle at 50% 60%, rgba(0, 210, 135, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 90%, rgba(0, 102, 255, 0.07) 0%, transparent 40%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

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

    .brand-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .brand-logo-wrap {
      width: 140px;
      display: flex;
      align-items: center;
    }

    .brand-badge {
      display: inline-flex;
      align-items: center;
      padding: 3px 10px;
      background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(0, 210, 135, 0.15));
      border: 1px solid var(--neon-cyan);
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 600;
      color: #008f5d;
    }

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

    .nav-item {
      position: relative;
    }

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

    .nav-link:hover, .ai-page-home-link:hover {
      color: var(--secondary);
      background: rgba(0, 102, 255, 0.06);
    }

    .ai-page-home-link {
      display: inline-block;
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 600;
      color: var(--secondary);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: all var(--transition-normal);
      border: 1px solid transparent;
      text-align: center;
      white-space: nowrap;
    }

    .btn-neon {
      background: linear-gradient(135deg, #00d287 0%, #00f0ff 50%, #0066ff 100%);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
      position: relative;
      overflow: hidden;
      border: none;
    }

    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 25px rgba(0, 240, 255, 0.6);
      color: #ffffff;
    }

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

    .btn-outline:hover {
      background: rgba(0, 102, 255, 0.05);
      border-color: var(--neon-cyan);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 区域通用样式 */
    section {
      padding: 70px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      padding: 4px 14px;
      background: linear-gradient(90deg, rgba(0, 240, 255, 0.15), rgba(140, 48, 245, 0.15));
      border: 1px solid rgba(0, 240, 255, 0.4);
      border-radius: var(--radius-full);
      color: #0066cc;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
      line-height: 1.3;
    }

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

    /* Hero 首屏 - 无任何图片 */
    .hero-section {
      padding: 80px 0 60px;
      position: relative;
    }

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

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

    .hero-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }

    .neon-pill {
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 600;
      border: 1px solid var(--border-color);
      background: #ffffff;
      color: var(--text-sub);
    }

    .neon-pill.highlight {
      background: linear-gradient(135deg, rgba(0, 210, 135, 0.1), rgba(0, 240, 255, 0.15));
      border-color: var(--primary);
      color: #008753;
    }

    .hero-title {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.25;
      color: #081226;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-title .glow-text {
      background: linear-gradient(135deg, #008a52 0%, #0066ff 50%, #7928ca 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }

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

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

    .btn-hero-main {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      background: linear-gradient(135deg, #00d287 0%, #00c3ff 60%, #0066ff 100%);
      color: #ffffff;
      border-radius: var(--radius-full);
      box-shadow: 0 8px 25px rgba(0, 240, 255, 0.45);
      border: none;
      transition: all var(--transition-normal);
    }

    .btn-hero-main:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 35px rgba(0, 240, 255, 0.65);
      color: #ffffff;
    }

    .hero-highlights {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
    }

    .hero-stat-item {
      display: flex;
      flex-direction: column;
    }

    .hero-stat-num {
      font-size: 24px;
      font-weight: 800;
      color: #0066ff;
    }

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

    /* 首屏纯 CSS 科技几何面板 */
    .hero-panel {
      background: #ffffff;
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-neon);
      position: relative;
      overflow: hidden;
    }

    .hero-panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid #edf2f9;
    }

    .panel-dots {
      display: flex;
      gap: 6px;
    }

    .panel-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .dot-red { background: #ff5f56; }
    .dot-yellow { background: #ffbd2e; }
    .dot-green { background: #27c93f; }

    .panel-status {
      font-size: 12px;
      color: #008753;
      background: rgba(0, 210, 135, 0.12);
      padding: 3px 8px;
      border-radius: var(--radius-full);
      font-weight: 600;
    }

    .panel-matrix-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .matrix-item {
      background: #f8fbff;
      border: 1px solid #e3edf8;
      border-radius: var(--radius-md);
      padding: 14px;
      transition: all var(--transition-fast);
    }

    .matrix-item:hover {
      border-color: var(--neon-cyan);
      transform: translateY(-2px);
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }

    .matrix-icon-tag {
      font-size: 11px;
      font-weight: 700;
      color: #0066ff;
      background: rgba(0, 102, 255, 0.08);
      display: inline-block;
      padding: 2px 6px;
      border-radius: 4px;
      margin-bottom: 6px;
    }

    .matrix-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .matrix-desc {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 平台矩阵滚动标 */
    .model-tags-strip {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 16px 0;
    }

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

    .model-chip {
      background: #f3f8fe;
      border: 1px solid #d9e6f5;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 13px;
      font-weight: 600;
      color: #243853;
      transition: all var(--transition-fast);
    }

    .model-chip:hover {
      border-color: var(--primary);
      background: #ffffff;
      color: #008753;
      box-shadow: 0 2px 8px rgba(0, 210, 135, 0.2);
    }

    /* 通用网格与卡片 */
    .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;
    }

    .feature-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition-normal);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .feature-card:hover {
      border-color: var(--neon-cyan);
      box-shadow: 0 10px 30px rgba(0, 102, 255, 0.12);
      transform: translateY(-4px);
    }

    .feature-icon-box {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(0, 102, 255, 0.15));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #0066ff;
      margin-bottom: 18px;
      font-size: 16px;
    }

    .feature-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

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

    /* 场景卡片专用 */
    .scene-card {
      background: #ffffff;
      border: 1px solid #dce8f7;
      border-radius: var(--radius-md);
      padding: 22px;
      transition: all var(--transition-fast);
      display: flex;
      flex-direction: column;
    }

    .scene-card:hover {
      border-color: var(--primary);
      box-shadow: 0 6px 20px rgba(0, 210, 135, 0.15);
      transform: translateY(-3px);
    }

    .scene-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
    }

    .scene-name {
      font-size: 16px;
      font-weight: 700;
      color: #0f1c32;
    }

    .scene-tag {
      font-size: 11px;
      padding: 2px 8px;
      background: #eef6ff;
      color: #0066ff;
      border-radius: var(--radius-full);
      font-weight: 600;
    }

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

    /* 宣传图画廊 */
    .media-gallery-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 24px;
    }

    .media-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      background: #ffffff;
      aspect-ratio: 16 / 9;
    }

    .media-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform var(--transition-normal);
    }

    .media-img-wrap:hover img {
      transform: scale(1.05);
    }

    .media-dual-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      margin-top: 24px;
      align-items: center;
    }

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

    .media-banner-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 对比评测卡片与表格 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #ffffff 0%, #f2f9ff 100%);
      border: 2px solid var(--neon-cyan);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-neon);
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }

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

    .score-circle {
      width: 88px;
      height: 88px;
      border-radius: 50%;
      background: linear-gradient(135deg, #00d287, #00f0ff);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-weight: 900;
      box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
    }

    .score-num {
      font-size: 26px;
      line-height: 1;
    }

    .score-max {
      font-size: 11px;
      opacity: 0.9;
    }

    .eval-meta h3 {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .star-row {
      color: #ffaa00;
      font-size: 18px;
      letter-spacing: 2px;
    }

    .eval-badge-group {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }

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

    .custom-table th, .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #edf2f9;
    }

    .custom-table th {
      background: #f8fbff;
      color: #1a2a44;
      font-weight: 700;
    }

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

    .custom-table .col-highlight {
      background: rgba(0, 210, 135, 0.04);
      color: #007a4b;
      font-weight: 700;
    }

    /* 流程时间线 */
    .timeline-steps {
      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: 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      font-size: 28px;
      font-weight: 900;
      color: #0066ff;
      opacity: 0.2;
      margin-bottom: 8px;
    }

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

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

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

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

    .review-text {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 18px;
      font-style: normal;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #edf2f9;
      padding-top: 14px;
    }

    .reviewer-avatar-placeholder {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #00f0ff, #8c30f5);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }

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

    .reviewer-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* FAQ 折叠 */
    .faq-container {
      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-md);
      overflow: hidden;
      transition: all var(--transition-fast);
    }

    .faq-item.active {
      border-color: var(--neon-cyan);
      box-shadow: 0 4px 18px rgba(0, 240, 255, 0.15);
    }

    .faq-question {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 18px;
      font-weight: 400;
      color: var(--secondary);
      transition: transform var(--transition-fast);
    }

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

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

    .faq-item.active .faq-answer {
      max-height: 300px;
      transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.6;
    }

    /* 文章与资讯 */
    .articles-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 16px;
    }

    .article-item {
      display: flex;
      align-items: center;
      padding: 12px 16px;
      background: #f8fbff;
      border-radius: var(--radius-sm);
      border: 1px solid #e3eefc;
      font-size: 14px;
      color: var(--text-sub);
      transition: all var(--transition-fast);
    }

    .article-item:hover {
      background: #ffffff;
      border-color: var(--secondary);
      color: var(--secondary);
      transform: translateX(4px);
    }

    /* 表单与联系 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 32px;
      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;
      gap: 20px;
    }

    .contact-card-item {
      display: flex;
      gap: 14px;
      align-items: flex-start;
    }

    .contact-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: rgba(0, 102, 255, 0.1);
      color: #0066ff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }

    .contact-detail-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
    }

    .contact-detail-val {
      font-size: 13px;
      color: var(--text-sub);
      word-break: break-all;
    }

    .qr-block {
      margin-top: 10px;
      padding: 16px;
      background: #f8fbff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      display: inline-block;
      max-width: 180px;
      text-align: center;
    }

    .qr-block img {
      width: 100%;
      border-radius: 6px;
      margin-bottom: 8px;
    }

    .qr-text {
      font-size: 12px;
      font-weight: 600;
      color: var(--text-sub);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cdddec;
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-main);
      background: #fbfdff;
      transition: all var(--transition-fast);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--secondary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.12);
    }

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

    /* 友情链接与页脚 */
    .site-footer {
      background: #091322;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }

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

    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .footer-desc {
      font-size: 13px;
      line-height: 1.7;
      color: #94a3b8;
    }

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

    .friend-links-box a {
      color: #94a3b8;
      font-size: 13px;
      padding: 4px 10px;
      background: #132238;
      border-radius: 4px;
      transition: all var(--transition-fast);
    }

    .friend-links-box a:hover {
      color: #00f0ff;
      background: #1c3252;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    .footer-bottom a {
      color: #00d287;
    }

    /* 浮动组件 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--secondary);
      font-size: 18px;
      font-weight: 700;
      transition: all var(--transition-fast);
    }

    .float-btn:hover {
      background: var(--secondary);
      color: #ffffff;
      transform: scale(1.08);
    }

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-wrapper {
        grid-template-columns: 1fr;
      }
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .media-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .media-dual-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-actions {
        display: none;
      }
      .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--border-color);
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-title {
        font-size: 28px;
      }
      .section-title {
        font-size: 24px;
      }
      .grid-3, .grid-4, .grid-2, .reviews-grid {
        grid-template-columns: 1fr;
      }
      .timeline-steps {
        grid-template-columns: 1fr;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 20px;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .article-links-grid {
        grid-template-columns: 1fr;
      }
    }