/* roulang page: index */
:root {
      --bg-main: #0a0f1d;
      --bg-alt: #0d172e;
      --bg-panel: #111d38;
      --card-bg: rgba(16, 27, 54, 0.72);
      --card-border: rgba(0, 210, 255, 0.18);
      --card-hover-border: rgba(0, 210, 255, 0.55);
      --primary: #00d2ff;
      --primary-hover: #33dcff;
      --accent-green: #10b981;
      --accent-orange: #f59e0b;
      --text-main: #f3f4f6;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --glow-shadow: 0 0 24px rgba(0, 210, 255, 0.35);
      --glow-shadow-lg: 0 0 36px rgba(0, 210, 255, 0.6);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    /* 顶部通知条与吸顶导航 */
    .top-bar {
      background-color: #070b14;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      padding: 0.5rem 0;
      font-size: 0.825rem;
      color: var(--text-muted);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 0.75rem;
    }
    .status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent-green);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--accent-green);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(1.2); }
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(10, 15, 29, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(0, 210, 255, 0.12);
      transition: var(--transition);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 1.35rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 0.5px;
    }
    .brand-logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), #0066cc);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #000;
      font-weight: 900;
      box-shadow: 0 0 16px rgba(0, 210, 255, 0.4);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.75rem;
      list-style: none;
    }
    .nav-link {
      color: var(--text-muted);
      font-size: 0.95rem;
      font-weight: 500;
      position: relative;
      padding: 0.5rem 0;
    }
    .nav-link:hover, .nav-link:focus-visible {
      color: var(--primary);
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: width 0.3s ease;
      box-shadow: 0 0 8px var(--primary);
    }
    .nav-link:hover::after {
      width: 100%;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    /* 发光与普通按钮 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.75rem 1.75rem;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.95rem;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      min-height: 44px;
      text-align: center;
    }
    .btn-primary {
      background: linear-gradient(135deg, #00d2ff 0%, #0077ff 100%);
      color: #061121;
      border-color: rgba(0, 210, 255, 0.4);
      box-shadow: var(--glow-shadow);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: var(--glow-shadow-lg);
      color: #000;
      filter: brightness(1.1);
    }
    .btn-outline {
      background: rgba(16, 27, 54, 0.6);
      border: 1px solid rgba(0, 210, 255, 0.3);
      color: var(--primary);
    }
    .btn-outline:hover {
      background: rgba(0, 210, 255, 0.12);
      border-color: var(--primary);
      color: #ffffff;
      transform: translateY(-2px);
    }

    /* 移动端汉堡按钮 */
    .menu-toggle {
      display: none;
      background: transparent;
      border: none;
      cursor: pointer;
      width: 44px;
      height: 44px;
      position: relative;
      align-items: center;
      justify-content: center;
    }
    .menu-bar {
      width: 24px;
      height: 2px;
      background: var(--text-main);
      position: relative;
      transition: var(--transition);
    }
    .menu-bar::before, .menu-bar::after {
      content: '';
      position: absolute;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      transition: var(--transition);
    }
    .menu-bar::before { top: -8px; }
    .menu-bar::after { bottom: -8px; }

    /* 通用板块结构与玻璃拟态 */
    section {
      padding: 5.5rem 0;
      position: relative;
    }
    .bg-dark { background-color: var(--bg-main); }
    .bg-dark-alt { background-color: var(--bg-alt); }
    .bg-dark-panel { background-color: var(--bg-panel); }

    .glass-card {
      background: var(--card-bg);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
      transition: var(--transition);
    }
    .glass-card:hover {
      border-color: var(--card-hover-border);
      box-shadow: 0 16px 40px -10px rgba(0, 210, 255, 0.2);
      transform: translateY(-3px);
    }

    .section-header {
      margin-bottom: 3.5rem;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.25rem 0.85rem;
      border-radius: 9999px;
      background: rgba(0, 210, 255, 0.08);
      border: 1px solid rgba(0, 210, 255, 0.25);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 0.75rem;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 1rem;
      color: #ffffff;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 800px;
      line-height: 1.8;
    }

    /* 板块一：杂志分栏 Hero */
    .hero-section {
      padding: 4.5rem 0 6rem 0;
      background: radial-gradient(circle at 80% 20%, rgba(0, 210, 255, 0.08) 0%, transparent 60%),
                  linear-gradient(180deg, #070b16 0%, #0a0f1d 100%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid rgba(0, 210, 255, 0.1);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .hero-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 0.6rem;
      margin-bottom: 1.25rem;
    }
    .hero-badge {
      font-size: 0.8rem;
      padding: 0.2rem 0.75rem;
      border-radius: 4px;
      background: rgba(16, 185, 129, 0.12);
      border: 1px solid rgba(16, 185, 129, 0.3);
      color: var(--accent-green);
    }
    .hero-title {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      color: #ffffff;
      margin-bottom: 1.5rem;
      letter-spacing: -0.5px;
    }
    .hero-title span {
      background: linear-gradient(135deg, #00d2ff 0%, #3b82f6 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 2rem;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 1.25rem;
      margin-bottom: 2.5rem;
    }
    .hero-metrics-pill {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
      padding-top: 1.75rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .hero-metric-item h4 {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 0.25rem;
      font-family: Consolas, monospace;
    }
    .hero-metric-item p {
      font-size: 0.85rem;
      color: var(--text-dim);
    }
    .hero-feature-card {
      padding: 1.75rem;
      position: relative;
      border-radius: var(--radius-lg);
      background: linear-gradient(160deg, rgba(16, 27, 54, 0.8) 0%, rgba(13, 23, 46, 0.95) 100%);
      border: 1px solid rgba(0, 210, 255, 0.25);
    }
    .hero-card-img-wrap {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 1.25rem;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .hero-card-img-wrap img {
      width: 100%;
      height: 220px;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .hero-feature-card:hover .hero-card-img-wrap img {
      transform: scale(1.04);
    }
    .hero-card-tag {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(10, 15, 29, 0.85);
      border: 1px solid var(--primary);
      padding: 0.3rem 0.75rem;
      border-radius: 4px;
      font-size: 0.75rem;
      color: var(--primary);
      font-weight: 600;
    }
    .hero-card-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      margin-top: 1rem;
    }
    .hero-card-list li {
      font-size: 0.9rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .hero-card-list li::before {
      content: '✔';
      color: var(--accent-green);
      font-size: 0.85rem;
    }

    /* 板块二：产线能力与底层架构 */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: center;
    }
    .arch-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
      margin-top: 2rem;
    }
    .arch-spec-card {
      padding: 1.25rem;
      border-radius: var(--radius-sm);
      background: rgba(17, 29, 56, 0.5);
      border-left: 3px solid var(--primary);
    }
    .arch-spec-card h4 {
      font-size: 1.05rem;
      margin-bottom: 0.35rem;
      color: #fff;
    }
    .arch-spec-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .arch-img-frame {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--card-border);
      position: relative;
    }

    /* 板块三：核心优势六卡片 */
    .grid-3x2 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .advantage-card {
      padding: 2.25rem 1.75rem;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .adv-icon-badge {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: rgba(0, 210, 255, 0.1);
      border: 1px solid rgba(0, 210, 255, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: var(--primary);
      margin-bottom: 1.25rem;
    }
    .advantage-card h3 {
      font-size: 1.25rem;
      margin-bottom: 0.75rem;
      color: #ffffff;
    }
    .advantage-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块四：产品矩阵区 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .matrix-card {
      padding: 2.25rem;
display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }
    .matrix-card.featured {
      border-color: var(--primary);
      box-shadow: 0 12px 36px -8px rgba(0, 210, 255, 0.35);
      background: linear-gradient(170deg, rgba(20, 36, 70, 0.85) 0%, rgba(13, 23, 46, 0.95) 100%);
    }
    .matrix-badge {
      position: absolute;
      top: -12px;
      right: 24px;
      background: linear-gradient(135deg, var(--primary), #0077ff);
      color: #050d1a;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      text-transform: uppercase;
    }
    .matrix-card h3 {
      font-size: 1.35rem;
      margin-bottom: 0.75rem;
      color: #fff;
    }
    .matrix-price-sub {
      color: var(--text-dim);
      font-size: 0.85rem;
      margin-bottom: 1.5rem;
      padding-bottom: 1.25rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .matrix-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.85rem;
      margin-bottom: 2rem;
    }
    .matrix-list li {
      font-size: 0.9rem;
      color: var(--text-muted);
      display: flex;
      align-items: flex-start;
      gap: 0.6rem;
    }
    .matrix-list li span.dot {
      color: var(--primary);
      font-size: 1.1rem;
      line-height: 1;
    }

    /* 板块五：实时指标看板区（数据驱动流） */
    .metrics-dashboard {
      background: radial-gradient(circle at 50% 50%, rgba(0, 210, 255, 0.05) 0%, transparent 70%),
                  rgba(13, 23, 46, 0.8);
      border-radius: var(--radius-lg);
      padding: 2.5rem;
      border: 1px solid rgba(0, 210, 255, 0.25);
    }
    .dashboard-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      margin-bottom: 2.5rem;
    }
    .metric-gauge-card {
      background: rgba(10, 15, 29, 0.75);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-md);
      padding: 1.5rem;
      text-align: center;
      position: relative;
    }
    .metric-gauge-val {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--primary);
      font-family: Consolas, monospace;
      margin: 0.5rem 0;
      line-height: 1.1;
    }
    .metric-gauge-label {
      font-size: 0.875rem;
      color: var(--text-muted);
    }
    .metric-trend {
      font-size: 0.75rem;
      color: var(--accent-green);
      font-weight: 600;
      margin-top: 0.5rem;
      display: inline-block;
    }
    .flow-chart-wrap {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1rem;
      padding-top: 1.5rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .flow-node {
      background: rgba(17, 29, 56, 0.6);
      border: 1px solid rgba(0, 210, 255, 0.15);
      padding: 1rem;
      border-radius: var(--radius-sm);
      text-align: center;
    }
    .flow-node-title {
      font-size: 0.85rem;
      font-weight: 600;
      color: #fff;
      margin-bottom: 0.35rem;
    }
    .flow-node-status {
      font-size: 0.75rem;
      color: var(--primary);
    }

    /* 板块六：业务前后对比表与参数表 */
    .compare-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }
    .compare-card {
      border-radius: var(--radius-md);
      padding: 2.25rem;
    }
    .compare-card.traditional {
      background: rgba(26, 18, 24, 0.5);
      border: 1px solid rgba(239, 68, 68, 0.25);
    }
    .compare-card.system {
      background: rgba(10, 32, 48, 0.6);
      border: 1px solid rgba(0, 210, 255, 0.4);
    }
    .compare-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 1.75rem;
      padding-bottom: 1rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .compare-title {
      font-size: 1.35rem;
      font-weight: 700;
    }
    .compare-badge-warn {
      background: rgba(239, 68, 68, 0.15);
      color: #f87171;
      padding: 0.3rem 0.75rem;
      border-radius: 4px;
      font-size: 0.8rem;
    }
    .compare-badge-good {
      background: rgba(16, 185, 129, 0.15);
      color: var(--accent-green);
      padding: 0.3rem 0.75rem;
      border-radius: 4px;
      font-size: 0.8rem;
    }
    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }
    .compare-item-name {
      font-weight: 600;
      font-size: 0.95rem;
      color: #fff;
      margin-bottom: 0.25rem;
    }
    .compare-item-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 参数详情表 */
    .param-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 2rem;
      border-radius: var(--radius-md);
      overflow: hidden;
    }
    .param-table th, .param-table td {
      padding: 1.15rem 1.5rem;
      text-align: left;
      font-size: 0.9rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .param-table th {
      background: rgba(17, 29, 56, 0.9);
      color: var(--primary);
      font-weight: 600;
    }
    .param-table td {
      background: rgba(16, 27, 54, 0.45);
      color: var(--text-muted);
    }
    .param-table tr:hover td {
      background: rgba(0, 210, 255, 0.05);
      color: #fff;
    }

    /* 板块七：演进里程碑时间轴 */
    .timeline-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      position: relative;
      margin-top: 2.5rem;
    }
    .timeline-node {
      position: relative;
      padding: 1.75rem;
      border-radius: var(--radius-md);
      background: var(--card-bg);
      border: 1px solid var(--card-border);
    }
    .timeline-step {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 700;
      letter-spacing: 1px;
      margin-bottom: 0.5rem;
    }
    .timeline-title {
      font-size: 1.15rem;
      color: #fff;
      margin-bottom: 0.5rem;
    }
    .timeline-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块八：深度应用故事与案例现场 */
    .case-story-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 3rem;
      align-items: center;
    }
    .case-img-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--card-border);
    }
    .case-img-box img {
      width: 100%;
      height: 360px;
      object-fit: cover;
    }
    .case-detail-card {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }
    .case-block {
      background: rgba(17, 29, 56, 0.5);
      border-left: 3px solid var(--primary);
      padding: 1rem 1.25rem;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }
    .case-block h4 {
      font-size: 0.95rem;
      color: #fff;
      margin-bottom: 0.35rem;
    }
    .case-block p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块九：全局运行统计数据条 */
    .stat-strip-section {
      background: linear-gradient(180deg, #070c17 0%, #0c152a 100%);
      border-top: 1px solid rgba(0, 210, 255, 0.15);
      border-bottom: 1px solid rgba(0, 210, 255, 0.15);
      padding: 4rem 0;
    }
    .stat-strip-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
    }
    .stat-box {
      text-align: center;
      padding: 1.5rem;
      border-radius: var(--radius-md);
      background: rgba(16, 27, 54, 0.4);
      border: 1px solid rgba(0, 210, 255, 0.12);
    }
    .stat-num {
      font-size: 3.25rem;
      font-weight: 800;
      color: #ffffff;
      font-family: Consolas, Monaco, monospace;
      line-height: 1.1;
      margin-bottom: 0.5rem;
      background: linear-gradient(180deg, #ffffff 0%, var(--primary) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 板块十：交付实施流程 */
    .delivery-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }
    .delivery-step-card {
      padding: 2rem 1.5rem;
      position: relative;
    }
    .step-number {
      font-size: 2.25rem;
      font-weight: 900;
      color: rgba(0, 210, 255, 0.25);
      line-height: 1;
      margin-bottom: 1rem;
      font-family: Consolas, monospace;
    }
    .delivery-step-card h3 {
      font-size: 1.15rem;
      color: #fff;
      margin-bottom: 0.5rem;
    }
    .delivery-step-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块十一：内嵌资讯与仓储动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .news-card {
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .news-img-wrap {
      height: 180px;
      overflow: hidden;
    }
    .news-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .news-card:hover .news-img-wrap img {
      transform: scale(1.05);
    }
    .news-content {
      padding: 1.75rem;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--primary);
      margin-bottom: 0.5rem;
      display: block;
    }
    .news-title {
      font-size: 1.15rem;
      color: #fff;
      margin-bottom: 0.75rem;
      line-height: 1.4;
    }
    .news-excerpt {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 1.25rem;
    }
    .news-link-btn {
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }
    .news-link-btn:hover {
      color: #fff;
    }

    /* 板块十二：合作伙伴与生态互联 */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 1.25rem;
    }
    .partner-badge-card {
      background: rgba(16, 27, 54, 0.45);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-sm);
      padding: 1.5rem 1rem;
      text-align: center;
      transition: var(--transition);
    }
    .partner-badge-card:hover {
      border-color: var(--primary);
      background: rgba(0, 210, 255, 0.08);
    }
    .partner-icon {
      font-size: 1.5rem;
      margin-bottom: 0.5rem;
      color: var(--primary);
    }
    .partner-name {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 板块十三：常见疑问与手风琴 */
    .faq-accordion-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
    .faq-item {
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      background: var(--card-bg);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: rgba(0, 210, 255, 0.4);
    }
    .faq-question {
      padding: 1.35rem 1.75rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      font-size: 1.05rem;
      color: #fff;
      user-select: none;
    }
    .faq-toggle-icon {
      color: var(--primary);
      font-size: 1.25rem;
      transition: transform 0.3s ease;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: rgba(11, 19, 38, 0.7);
      padding: 0 1.75rem;
    }
    .faq-answer p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.75;
      padding-bottom: 1.35rem;
    }
    .faq-item.active .faq-answer {
      max-height: 240px;
      padding-top: 0.5rem;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }

    /* 板块十四：转化表单与方案定制 */
    .inquiry-grid {
      display: grid;
      grid-template-columns: 1fr 1.15fr;
      gap: 3rem;
      align-items: center;
    }
    .inquiry-info h3 {
      font-size: 1.85rem;
      color: #fff;
      margin-bottom: 1rem;
    }
    .inquiry-info p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 2rem;
    }
    .inquiry-perks {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
    .inquiry-perks li {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 0.925rem;
      color: var(--text-main);
    }
    .inquiry-perks li span.icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(16, 185, 129, 0.15);
      color: var(--accent-green);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
    }
    .form-wrapper {
      padding: 2.5rem;
    }
    .form-row {
      margin-bottom: 1.25rem;
    }
    .form-row label {
      display: block;
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--text-muted);
      margin-bottom: 0.4rem;
    }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 0.85rem 1rem;
      border-radius: var(--radius-sm);
      background: rgba(10, 15, 29, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.12);
      color: #fff;
      outline: none;
      transition: var(--transition);
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 12px rgba(0, 210, 255, 0.25);
    }
    .form-input::placeholder, .form-textarea::placeholder {
      color: var(--text-dim);
      font-size: 0.875rem;
    }

    /* 页脚 */
    .site-footer {
      background-color: #060a14;
      border-top: 1px solid rgba(0, 210, 255, 0.12);
      padding: 4.5rem 0 2rem 0;
      font-size: 0.875rem;
      color: var(--text-muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 0.9fr 1fr 1fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }
    .footer-col h4 {
      font-size: 1rem;
      color: #fff;
      margin-bottom: 1.25rem;
      font-weight: 600;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }
    .footer-links a:hover {
      color: var(--primary);
      padding-left: 4px;
    }
    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }
    .footer-bottom {
      padding-top: 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      font-size: 0.8rem;
      color: var(--text-dim);
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-grid, .arch-grid, .case-story-grid, .inquiry-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
      }
      .grid-3x2, .matrix-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline-wrap, .delivery-steps, .dashboard-grid, .stat-strip-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .partner-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      section { padding: 3.75rem 0; }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: rgba(10, 15, 29, 0.98);
        border-bottom: 1px solid rgba(0, 210, 255, 0.2);
        flex-direction: column;
        padding: 1.5rem 2rem;
        gap: 1.25rem;
      }
      .nav-links.active {
        display: flex;
      }
      .menu-toggle {
        display: flex;
      }
      .hero-title {
        font-size: 2rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .grid-3x2, .matrix-grid, .news-grid, .compare-container, .flow-chart-wrap {
        grid-template-columns: 1fr;
      }
      .hero-metrics-pill {
        grid-template-columns: 1fr;
        gap: 1rem;
      }
      .partner-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
    }

    @media (max-width: 520px) {
      .timeline-wrap, .delivery-steps, .dashboard-grid, .stat-strip-grid {
        grid-template-columns: 1fr;
      }
      .stat-num {
        font-size: 2.5rem;
      }
      .top-bar-inner {
        flex-direction: column;
        align-items: flex-start;
      }
    }