/* roulang page: index */
:root {
      --primary: #0A66C2;
      --primary-hover: #084e96;
      --primary-light: #e8f2fc;
      --accent: #00D084;
      --accent-dark: #009d64;
      --bg-base: #F8FAFC;
      --bg-surface: #FFFFFF;
      --bg-dark: #0F172A;
      --bg-dark-card: #1E293B;
      --text-main: #1E293B;
      --text-muted: #475569;
      --text-sub: #94A3B8;
      --border-color: #E2E8F0;
      --border-dark: rgba(255, 255, 255, 0.12);
      --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --radius: 12px;
      --radius-sm: 6px;
      --transition: all 0.25s 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: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--bg-base);
      -webkit-font-smoothing: antialiased;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* 顶部服务栏与导航条 */
    .top-bar {
      background-color: #0b1329;
      color: #94a3b8;
      font-size: 0.85rem;
      border-bottom: 1px solid rgba(255,255,255,0.08);
      padding: 6px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #cbd5e1;
    }
    .top-bar-badge::before {
      content: "";
      width: 7px;
      height: 7px;
      background-color: var(--accent);
      border-radius: 50%;
      display: inline-block;
    }

    .site-header {
      background-color: #ffffff;
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 1.25rem;
      color: var(--text-main);
      letter-spacing: -0.02em;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), #00d084);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.1rem;
      font-weight: 800;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 28px;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 0;
      right: 0;
      height: 2px;
      background-color: var(--primary);
      border-radius: 2px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: 0 2px 4px rgba(10, 102, 194, 0.2);
    }
    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 12px rgba(10, 102, 194, 0.25);
    }
    .btn-accent {
      background-color: var(--accent);
      color: #0b1329;
      font-weight: 700;
    }
    .btn-accent:hover {
      background-color: var(--accent-dark);
      color: #ffffff;
      transform: translateY(-2px);
    }
    .btn-outline {
      border-color: var(--border-color);
      background-color: #ffffff;
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: var(--primary-light);
    }

    /* Section 通用规范 */
    .section-wrap {
      padding: 86px 0;
      position: relative;
    }
    .section-bg-alt {
      background-color: #ffffff;
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #f1f5f9;
    }
    .section-header {
      margin-bottom: 52px;
      max-width: 820px;
    }
    .section-header.center {
      text-align: center;
      margin-left: auto;
      margin-right: auto;
    }
    .badge-tag {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 20px;
      background-color: var(--primary-light);
      color: var(--primary);
      font-size: 0.825rem;
      font-weight: 600;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }
    .badge-tag.dark {
      background-color: rgba(255, 255, 255, 0.1);
      color: var(--accent);
    }
    .section-title {
      font-size: 2.15rem;
      line-height: 1.3;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.01em;
    }
    .section-dark .section-title {
      color: #ffffff;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94a3b8;
    }

    /* 板块一：首屏 Hero（前后对比并置） */
    .hero-banner {
      background-color: #0b132b;
      background-image: linear-gradient(rgba(11, 19, 43, 0.88), rgba(11, 19, 43, 0.94)), url('/assets/images/b0c79b22ebb22885.jpg');
      background-size: cover;
      background-position: center;
      color: #ffffff;
      padding: 96px 0 108px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 52px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.75rem;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 20px;
      letter-spacing: -0.02em;
    }
    .hero-content h1 span {
      background: linear-gradient(90deg, #38bdf8, #00d084);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-p {
      font-size: 1.1rem;
      line-height: 1.8;
      color: #cbd5e1;
      margin-bottom: 36px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }
    .hero-stats-row {
      display: flex;
      gap: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding-top: 24px;
    }
    .hero-stat-item .num {
      font-size: 1.75rem;
      font-weight: 800;
      color: #38bdf8;
      display: block;
    }
    .hero-stat-item .label {
      font-size: 0.85rem;
      color: #94a3b8;
    }
    /* 对比面板 */
    .compare-card {
      background: rgba(30, 41, 59, 0.8);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }
    .compare-header {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 12px;
    }
    .compare-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .compare-column {
      background: rgba(15, 23, 42, 0.6);
      border-radius: 8px;
      padding: 18px;
      border: 1px solid rgba(255, 255, 255, 0.05);
    }
    .compare-column.highlight {
      background: rgba(10, 102, 194, 0.15);
      border-color: rgba(0, 208, 132, 0.4);
    }
    .compare-tag {
      font-size: 0.8rem;
      font-weight: 700;
      margin-bottom: 12px;
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
    }
    .compare-tag.before {
      background: rgba(239, 68, 68, 0.2);
      color: #fca5a5;
    }
    .compare-tag.after {
      background: rgba(0, 208, 132, 0.2);
      color: #6ee7b7;
    }
    .compare-list {
      list-style: none;
      font-size: 0.875rem;
      color: #cbd5e1;
    }
    .compare-list li {
      margin-bottom: 10px;
      position: relative;
      padding-left: 18px;
      line-height: 1.5;
    }
    .compare-list li::before {
      content: "•";
      position: absolute;
      left: 0;
      color: #94a3b8;
      font-weight: bold;
    }
    .compare-column.highlight .compare-list li::before {
      content: "✓";
      color: var(--accent);
    }

    /* 板块二：行业痛点与升级壁垒（非对称排版） */
    .pain-grid {
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      gap: 48px;
      align-items: center;
    }
    .pain-intro {
      background: #f1f5f9;
      padding: 36px;
      border-radius: var(--radius);
      border-left: 4px solid var(--primary);
    }
    .pain-intro h3 {
      font-size: 1.5rem;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .pain-intro p {
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .pain-items {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .pain-item {
      background: #ffffff;
      padding: 22px 26px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      gap: 18px;
      align-items: flex-start;
      transition: var(--transition);
    }
    .pain-item:hover {
      border-color: #cbd5e1;
      box-shadow: var(--shadow-md);
      transform: translateX(4px);
    }
    .pain-num {
      width: 32px;
      height: 32px;
      background: #fee2e2;
      color: #ef4444;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }
    .pain-item h4 {
      font-size: 1.1rem;
      margin-bottom: 6px;
    }
    .pain-item p {
      font-size: 0.925rem;
      color: var(--text-muted);
      margin: 0;
    }

    /* 板块三：架构与产线能力 */
    .arch-flow-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .arch-image-wrap {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .arch-points {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .arch-card {
      background: #ffffff;
      padding: 20px 24px;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      border-left: 4px solid var(--accent);
    }
    .arch-card h4 {
      font-size: 1.15rem;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .arch-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin: 0;
    }

    /* 板块四：核心技术服务矩阵 6 卡片 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 32px 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .matrix-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: #cbd5e1;
    }
    .matrix-icon {
      width: 48px;
      height: 48px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.4rem;
    }
    .matrix-card h3 {
      font-size: 1.25rem;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .matrix-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .tag-cluster {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }
    .tag-pill {
      font-size: 0.75rem;
      background: #f1f5f9;
      color: #475569;
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 板块五：热门系统与产品 3 卡片 */
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .product-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .product-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-5px);
    }
    .product-badge {
      position: absolute;
      top: 16px;
      right: 16px;
      background: var(--primary);
      color: #fff;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: 20px;
      font-weight: 600;
    }
    .product-thumb {
      height: 190px;
      position: relative;
      overflow: hidden;
    }
    .product-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .product-card:hover .product-thumb img {
      transform: scale(1.05);
    }
    .product-body {
      padding: 28px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .product-body h3 {
      font-size: 1.3rem;
      margin-bottom: 12px;
    }
    .product-body p {
      font-size: 0.925rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      flex: 1;
    }

    /* 板块六：深色技术底座与工程指标 */
    .specs-table-container {
      background: var(--bg-dark-card);
      border-radius: var(--radius);
      border: 1px solid var(--border-dark);
      overflow: hidden;
      margin-top: 40px;
    }
    .specs-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .specs-table th, .specs-table td {
      padding: 18px 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.95rem;
    }
    .specs-table th {
      background: rgba(0, 0, 0, 0.2);
      color: #94a3b8;
      font-weight: 600;
    }
    .specs-table td {
      color: #e2e8f0;
    }
    .specs-table tr:hover td {
      background: rgba(255, 255, 255, 0.02);
    }
    .status-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: var(--accent);
      border-radius: 50%;
      margin-right: 8px;
    }

    /* 板块七：4阶段实施流程（横向步骤条） */
    .step-track {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-item {
      background: #ffffff;
      border-radius: var(--radius);
      padding: 32px 24px;
      border: 1px solid var(--border-color);
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .step-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: #cbd5e1;
      line-height: 1;
      margin-bottom: 14px;
    }
    .step-item:hover .step-number {
      color: var(--primary);
    }
    .step-item h4 {
      font-size: 1.15rem;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .step-item p {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin: 0;
    }

    /* 板块八：实战案例深度解析 */
    .case-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .case-media {
      height: 100%;
      min-height: 380px;
    }
    .case-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-details {
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .case-details h3 {
      font-size: 1.6rem;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .case-meta {
      display: flex;
      gap: 16px;
      font-size: 0.875rem;
      color: #64748b;
      margin-bottom: 20px;
    }
    .case-metrics-bar {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin: 28px 0;
      padding: 18px;
      background: #f8fafc;
      border-radius: 8px;
    }
    .case-metric-box .metric-value {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--primary);
    }
    .case-metric-box .metric-title {
      font-size: 0.8rem;
      color: #64748b;
    }

    /* 板块九：量化指标条 */
    .stats-counter-strip {
      background: linear-gradient(135deg, #094a8f, #0a66c2);
      color: #ffffff;
      padding: 56px 0;
    }
    .counter-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .counter-val {
      font-size: 2.8rem;
      font-weight: 800;
      margin-bottom: 6px;
      color: #ffffff;
      letter-spacing: -0.02em;
    }
    .counter-desc {
      font-size: 0.95rem;
      color: #bfdbfe;
    }

    /* 板块十：行业评价与证言 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-rating {
      color: #f59e0b;
      font-size: 1.1rem;
      margin-bottom: 14px;
    }
    .testi-text {
      font-size: 0.95rem;
      line-height: 1.7;
      color: var(--text-muted);
      margin-bottom: 24px;
      font-style: italic;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #f1f5f9;
      padding-top: 18px;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .author-info h5 {
      font-size: 0.95rem;
      color: var(--text-main);
    }
    .author-info span {
      font-size: 0.8rem;
      color: #64748b;
    }

    /* 板块十一：技术资讯精选 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 0.8rem;
      color: #94a3b8;
      margin-bottom: 8px;
    }
    .news-body h3 {
      font-size: 1.15rem;
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .news-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }

    /* 板块十二：FAQ 与架构疑难解答 */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #ffffff;
      transition: background 0.2s ease;
      user-select: none;
    }
    .faq-question:hover {
      background: #f8fafc;
    }
    .faq-arrow {
      width: 18px;
      height: 18px;
      border-right: 2px solid #64748b;
      border-bottom: 2px solid #64748b;
      transform: rotate(45deg);
      transition: transform 0.25s ease;
    }
    .faq-item.active .faq-arrow {
      transform: rotate(-135deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: #fafafa;
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      transition: max-height 0.3s ease-in-out;
    }
    .faq-content {
      padding: 16px 24px 24px;
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid #f1f5f9;
    }

    /* 底部收口行动区与询盘 */
    .consult-section {
      background: #0b1329;
      background-image: linear-gradient(rgba(11, 19, 41, 0.95), rgba(11, 19, 41, 0.95)), url('/assets/images/1d10ac64c720ac89.webp');
      background-size: cover;
      color: #ffffff;
      padding: 80px 0;
    }
    .consult-box {
      max-width: 800px;
      margin: 0 auto;
      text-align: center;
    }
    .consult-form {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr auto;
      gap: 12px;
      margin-top: 36px;
      background: rgba(255, 255, 255, 0.08);
      padding: 16px;
      border-radius: var(--radius);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .consult-input {
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      color: #ffffff;
      font-size: 0.9rem;
    }
    .consult-input:focus {
      outline: none;
      border-color: var(--accent);
    }
    .consult-input::placeholder {
      color: #94a3b8;
    }

    /* 全局页脚 */
    .site-footer {
      background-color: #070d1e;
      color: #94a3b8;
      font-size: 0.9rem;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 72px 0 32px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .footer-col h4 {
      color: #f1f5f9;
      font-size: 1.05rem;
      margin-bottom: 20px;
      font-weight: 600;
    }
    .footer-desc {
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid, .pain-grid, .arch-flow-grid, .case-container {
        grid-template-columns: 1fr;
      }
      .matrix-grid, .product-grid, .testimonial-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-track {
        grid-template-columns: repeat(2, 1fr);
      }
      .counter-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .consult-form {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .site-header .nav-menu {
        display: none;
      }
      .section-wrap {
        padding: 56px 0;
      }
      .hero-content h1 {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .matrix-grid, .product-grid, .testimonial-grid, .news-grid, .step-track, .counter-grid {
        grid-template-columns: 1fr;
      }
      .compare-split {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .consult-form {
        grid-template-columns: 1fr;
      }
      .hero-stats-row {
        flex-direction: column;
        gap: 16px;
      }
      .specs-table th, .specs-table td {
        padding: 12px 14px;
        font-size: 0.85rem;
      }
    }