/* 明艳撞色风 CSS 设计变量 */
    :root {
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --accent-warm: #ff5e36;
      --accent-purple: #7c3aed;
      --accent-cyan: #06b6d4;
      --accent-emerald: #10b981;
      --accent-yellow: #f59e0b;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(37, 99, 235, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 20px 30px -10px rgba(15, 23, 42, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-width: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    /* 链接与通用重置 */
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    ul, ol {
      list-style: none;
    }
    img {
      display: block;
      max-width: 100%;
      height: auto;
    }

    /* 头部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-box .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }
    .brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .brand-badge {
      background: linear-gradient(135deg, var(--accent-warm), var(--accent-yellow));
      color: #ffffff;
      font-size: 0.72rem;
      padding: 2px 8px;
      border-radius: var(--radius-full);
      font-weight: 700;
    }

    .nav-wrap {
      display: flex;
      align-items: center;
    }
    /* 按照要求 .nav-links gap 必须为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }
    .nav-links li a {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      padding: 8px 13px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }
    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(37, 99, 235, 0.06);
    }
    .nav-action {
      margin-left: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
      padding: 10px 22px;
      border-radius: var(--radius-full);
      cursor: pointer;
      border: 2px solid transparent;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      text-align: center;
      white-space: nowrap;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
      color: #ffffff;
    }
    .btn-accent {
      background: linear-gradient(135deg, var(--accent-warm), #f97316);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(255, 94, 54, 0.3);
    }
    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 94, 54, 0.45);
      color: #ffffff;
    }
    .btn-outline {
      background: #ffffff;
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-outline:hover {
      background: var(--primary);
      color: #ffffff;
    }
    .btn-sm {
      padding: 6px 14px;
      font-size: 0.85rem;
    }
    .btn-lg {
      padding: 14px 32px;
      font-size: 1.05rem;
    }

    /* 移动端菜单按钮 */
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    /* Hero 首屏 (严格无图片，明艳纯代码图形与视觉卡片) */
    .hero-section {
      padding: 64px 0 54px;
      background: radial-gradient(circle at 10% 20%, rgba(255, 94, 54, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 45%),
                  linear-gradient(180deg, #ffffff 0%, var(--bg-main) 100%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 36px;
      align-items: center;
    }
    .hero-content {
      text-align: left;
    }
    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #fff;
      border: 2px solid var(--accent-warm);
      color: var(--accent-warm);
      font-weight: 700;
      font-size: 0.85rem;
      padding: 5px 14px;
      border-radius: var(--radius-full);
      margin-bottom: 18px;
      box-shadow: var(--shadow-sm);
    }
    .hero-title {
      font-size: 2.35rem;
      line-height: 1.25;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .hero-title span.highlight {
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.08rem;
      color: var(--text-muted);
      margin-bottom: 26px;
      line-height: 1.65;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 28px;
    }
    .hero-tag-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--text-muted);
    }
    .hero-btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }
    .hero-visual {
      background: #ffffff;
      border: 2px solid #e0e7ff;
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-md);
      position: relative;
    }
    .visual-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 14px;
      margin-bottom: 18px;
    }
    .status-dot-group {
      display: flex;
      gap: 6px;
    }
    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .dot-red { background: #ef4444; }
    .dot-yellow { background: #f59e0b; }
    .dot-green { background: #10b981; }
    .visual-metric-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-bottom: 18px;
    }
    .metric-card {
      background: var(--bg-alt);
      padding: 14px;
      border-radius: var(--radius-md);
      border-left: 4px solid var(--primary);
    }
    .metric-card.accent {
      border-left-color: var(--accent-warm);
    }
    .metric-card.purple {
      border-left-color: var(--accent-purple);
    }
    .metric-card.emerald {
      border-left-color: var(--accent-emerald);
    }
    .metric-num {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      display: block;
    }
    .metric-label {
      font-size: 0.8rem;
      color: var(--text-muted);
      font-weight: 600;
    }
    .model-pills-flow {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      background: #faf5ff;
      padding: 12px;
      border-radius: var(--radius-md);
      border: 1px dashed #c084fc;
    }
    .flow-badge {
      background: #ffffff;
      border: 1px solid #d8b4fe;
      color: var(--accent-purple);
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: var(--radius-full);
      font-weight: 700;
    }

    /* 通用区域标题 */
    .section-padding {
      padding: 68px 0;
    }
    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 46px;
    }
    .section-badge {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      color: var(--primary);
      background: rgba(37, 99, 235, 0.1);
      padding: 4px 14px;
      border-radius: var(--radius-full);
      margin-bottom: 10px;
    }
    .section-title {
      font-size: 1.95rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .section-sub {
      font-size: 0.98rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 卡片网格 */
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .card-icon {
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(124,58,237,0.15));
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .card-icon.warm {
      background: linear-gradient(135deg, rgba(255,94,54,0.12), rgba(245,158,11,0.18));
      color: var(--accent-warm);
    }
    .card-icon.cyan {
      background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(16,185,129,0.18));
      color: var(--accent-cyan);
    }
    .card-icon.purple {
      background: linear-gradient(135deg, rgba(124,58,237,0.12), rgba(236,72,153,0.18));
      color: var(--accent-purple);
    }
    .feature-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .feature-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
      flex-grow: 1;
    }

    /* 平台介绍 / 关于我们 */
    .about-box {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }
    .highlight-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 18px;
    }
    .highlight-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.92rem;
      color: var(--text-muted);
    }
    .highlight-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-warm);
      margin-top: 7px;
      flex-shrink: 0;
    }

    /* 评测与对比板块 */
    .review-summary-card {
      background: linear-gradient(135deg, #1e1b4b, #312e81);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-lg);
      margin-bottom: 32px;
    }
    .review-score-flex {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 24px;
    }
    .score-badge-big {
      display: flex;
      align-items: baseline;
      gap: 6px;
    }
    .score-num {
      font-size: 3.5rem;
      font-weight: 900;
      color: #facc15;
      line-height: 1;
    }
    .score-max {
      font-size: 1.3rem;
      color: #cbd5e1;
      font-weight: 700;
    }
    .stars-box {
      color: #facc15;
      font-size: 1.3rem;
      letter-spacing: 2px;
      margin-top: 4px;
    }
    .review-desc {
      max-width: 600px;
      font-size: 0.95rem;
      color: #e2e8f0;
      line-height: 1.6;
    }

    /* 对比表格 */
    .table-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }
    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .compare-table td.highlight-col {
      background: #eff6ff;
      color: var(--primary-dark);
      font-weight: 700;
    }
    .badge-win {
      background: var(--accent-emerald);
      color: #fff;
      font-size: 0.72rem;
      padding: 2px 6px;
      border-radius: 4px;
      margin-left: 6px;
      vertical-align: middle;
    }

    /* 流程步骤 */
    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .process-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      position: relative;
    }
    .process-number {
      font-size: 2rem;
      font-weight: 900;
      color: #e0e7ff;
      line-height: 1;
      margin-bottom: 8px;
    }
    .process-card h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .process-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 案例展示 */
    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .case-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #f1f5f9;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.35s ease;
    }
    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }
    .case-body {
      padding: 18px;
      flex-grow: 1;
    }
    .case-body h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .case-body p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 用户评论 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .user-review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .user-review-card p {
      font-size: 0.9rem;
      color: var(--text-main);
      margin-bottom: 16px;
      font-style: italic;
      line-height: 1.6;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 12px;
    }
    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-purple));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.9rem;
    }
    .reviewer-name {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .reviewer-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* FAQ 手风琴面板 */
    .faq-list {
      max-width: 900px;
      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;
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      width: 100%;
      background: none;
      border: none;
      padding: 18px 22px;
      text-align: left;
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      outline: none;
    }
    .faq-question:hover {
      color: var(--primary);
    }
    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
      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, padding 0.3s ease;
      background: #f8fafc;
      padding: 0 22px;
      color: var(--text-muted);
      font-size: 0.9rem;
      line-height: 1.6;
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 14px 22px 18px;
      border-top: 1px solid var(--border-color);
    }

    /* 表单与联系模块 */
    .contact-wrapper {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.92rem;
      font-family: inherit;
      color: var(--text-main);
      background: #f8fafc;
      transition: border-color 0.2s ease, background 0.2s ease;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
    }
    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }
    .contact-info-panel {
      background: #eff6ff;
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .contact-info-item {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .contact-label {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
    }
    .contact-val {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .qr-container {
      margin-top: 10px;
      text-align: center;
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-sm);
      border: 1px solid #dbeafe;
    }
    .qr-container img {
      max-width: 140px;
      margin: 0 auto 8px;
      border-radius: 6px;
    }
    .qr-label {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--text-muted);
    }

    /* 行业资讯与短代码文章 */
    .article-section-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .article-link-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 14px;
    }
    .article-link-item a {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      padding: 10px 14px;
      background: var(--bg-alt);
      border-radius: var(--radius-sm);
    }
    .article-link-item a:hover {
      color: var(--primary);
      background: #eff6ff;
    }

    /* 友情链接 */
    .friend-links-box {
      margin-top: 36px;
      padding: 20px;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }
    .friend-label {
      font-size: 0.88rem;
      font-weight: 800;
      color: var(--text-main);
      margin-right: 6px;
    }
    .friend-links-box a {
      font-size: 0.85rem;
      color: var(--text-muted);
      background: var(--bg-alt);
      padding: 4px 10px;
      border-radius: 4px;
    }
    .friend-links-box a:hover {
      color: var(--primary);
      background: #dbeafe;
    }

    /* 页面页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 48px 0 24px;
      margin-top: 54px;
      border-top: 3px solid var(--primary);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 36px;
    }
    .footer-col h4 {
      color: #f8fafc;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 14px;
    }
    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .footer-col ul li a {
      color: #94a3b8;
      font-size: 0.88rem;
    }
    .footer-col ul li a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      font-size: 0.82rem;
      color: #64748b;
    }
    .footer-bottom a {
      color: #94a3b8;
    }
    .footer-bottom a:hover {
      color: #ffffff;
    }

    /* 浮动组件与返回顶部 */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 24px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      font-weight: 800;
      cursor: pointer;
      transition: all 0.25s ease;
    }
    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-3px);
    }
    .float-btn.accent {
      background: var(--accent-warm);
      color: #ffffff;
      border-color: var(--accent-warm);
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-wrap {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 2px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-md);
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-wrap.active {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 0;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 14px;
        width: 100%;
      }
      .nav-action {
        margin-left: 0;
        margin-top: 14px;
        width: 100%;
      }
      .nav-action .btn {
        width: 100%;
      }
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .about-grid, .contact-grid {
        grid-template-columns: 1fr;
      }
      .grid-3, .grid-4, .review-grid, .process-grid, .article-link-list {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .review-score-flex {
        flex-direction: column;
        align-items: flex-start;
      }
    }