/* roulang page: index */
:root {
      --primary: #F95721;
      --primary-dark: #DE4411;
      --primary-light: #FFF4EF;
      --primary-border: #FFD9CC;
      --accent: #141824;
      --accent-card: #1E2433;
      --success: #10B981;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --text-light: #94A3B8;
      --bg-white: #FFFFFF;
      --bg-light: #F8FAFC;
      --bg-warm: #FFF9F6;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --radius-xl: 24px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.08);
      --shadow-primary: 0 12px 28px -6px rgba(249, 87, 33, 0.28);
      --transition: all 0.28s ease;
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Lantinghei SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-white);
      line-height: 1.75;
      -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;
    }

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

    /* 顶部公告栏 */
    .top-bar {
      background-color: #0B0F19;
      color: #94A3B8;
      font-size: 0.875rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 40px;
    }
    .top-bar-notice {
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .badge-status {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--success);
      box-shadow: 0 0 8px var(--success);
    }
    .top-bar-contact {
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }
    .top-bar-phone {
      color: #F1F5F9;
      font-weight: 600;
      letter-spacing: 0.5px;
    }

    /* 主导航 */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      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;
    }
    .logo-icon {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, #F95721 0%, #EA4310 100%);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-weight: 800;
      font-size: 1.25rem;
      box-shadow: 0 4px 12px rgba(249, 87, 33, 0.3);
    }
    .logo-text {
      display: flex;
      flex-direction: column;
    }
    .logo-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.2;
      letter-spacing: -0.5px;
    }
    .logo-sub {
      font-size: 0.75rem;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }
    .nav-menu {
      display: flex;
      list-style: none;
      gap: 1.75rem;
      align-items: center;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: #334155;
      padding: 0.5rem 0.25rem;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-link.active::after, .nav-link:hover::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .nav-btn {
      background: var(--primary);
      color: #FFF;
      padding: 0.65rem 1.4rem;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 0.925rem;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      box-shadow: var(--shadow-primary);
    }
    .nav-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.5rem;
    }
    .mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--accent);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 移动端菜单抽屉 */
    .mobile-drawer {
      display: none;
      background: #FFF;
      border-bottom: 1px solid var(--border-color);
      padding: 1.25rem 1.5rem;
    }
    .mobile-drawer.is-open {
      display: block;
    }
    .mobile-drawer ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }
    .mobile-drawer a {
      font-size: 1rem;
      color: #334155;
      font-weight: 500;
      display: block;
      padding: 0.4rem 0;
    }

    /* 通用Section布局 */
    .section-wrap {
      padding: 5.5rem 0;
      position: relative;
    }
    .bg-light-surface {
      background-color: var(--bg-light);
    }
    .bg-warm-surface {
      background-color: var(--bg-warm);
    }
    .bg-dark-surface {
      background-color: #0F172A;
      color: #F8FAFC;
    }
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 3.5rem auto;
    }
    .section-badge {
      display: inline-block;
      padding: 0.35rem 0.85rem;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 100px;
      font-size: 0.825rem;
      font-weight: 700;
      margin-bottom: 0.85rem;
      letter-spacing: 0.5px;
      border: 1px solid var(--primary-border);
    }
    .section-badge-dark {
      background: rgba(249, 87, 33, 0.15);
      color: #FF8F6B;
      border: 1px solid rgba(249, 87, 33, 0.3);
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 1rem;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.75;
    }
    .bg-dark-surface .section-desc {
      color: #94A3B8;
    }

    /* 1. Hero 品牌旗舰店 */
    .hero-section {
      position: relative;
      background: linear-gradient(rgba(15, 23, 42, 0.78), rgba(15, 23, 42, 0.88)), url('/assets/images/807df426e72dbc72.webp') center/cover no-repeat;
      color: #FFF;
      padding: 5.5rem 0 3.5rem 0;
      min-height: 640px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .hero-content {
      max-width: 860px;
      margin: 0 auto;
      text-align: center;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.4rem 1rem;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.25);
      border-radius: 100px;
      font-size: 0.875rem;
      margin-bottom: 1.5rem;
      backdrop-filter: blur(4px);
    }
    .hero-title {
      font-size: 3.1rem;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 1.5rem;
      letter-spacing: -0.5px;
    }
    .hero-intro {
      font-size: 1.125rem;
      line-height: 1.85;
      color: #E2E8F0;
      margin-bottom: 2.5rem;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 1.25rem;
      margin-bottom: 3.5rem;
      flex-wrap: wrap;
    }
    .btn-lg {
      padding: 0.9rem 2.2rem;
      font-size: 1.05rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      cursor: pointer;
    }
    .btn-primary {
      background: var(--primary);
      color: #FFF;
      border: 1px solid var(--primary);
      box-shadow: 0 10px 25px rgba(249, 87, 33, 0.35);
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }
    .btn-outline-white {
      background: rgba(255, 255, 255, 0.08);
      color: #FFF;
      border: 1px solid rgba(255, 255, 255, 0.35);
      backdrop-filter: blur(4px);
    }
    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.18);
    }
    /* 旗舰店系列导航条叠加大图下边缘 */
    .hero-series-strip {
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: var(--radius-md);
      padding: 1rem 1.5rem;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      text-align: left;
    }
    .series-item {
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
      border-right: 1px solid rgba(255, 255, 255, 0.15);
      padding-right: 1rem;
    }
    .series-item:last-child {
      border-right: none;
      padding-right: 0;
    }
    .series-name {
      font-weight: 700;
      color: #FFF;
      font-size: 0.95rem;
      display: flex;
      align-items: center;
      gap: 0.4rem;
    }
    .series-desc {
      font-size: 0.775rem;
      color: #CBD5E1;
      line-height: 1.4;
    }

    /* 2. 卖点三连 */
    .selling-points-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .point-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 2.25rem;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .point-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), #FF8F6B);
      opacity: 0;
      transition: var(--transition);
    }
    .point-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-border);
    }
    .point-card:hover::before {
      opacity: 1;
    }
    .point-icon-box {
      width: 54px;
      height: 54px;
      border-radius: var(--radius-md);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 1.5rem;
    }
    .point-title {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      color: var(--accent);
    }
    .point-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 3. 餐饮痛点共鸣与诊断区 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }
    .pain-card {
      background: #FFF;
      border-radius: var(--radius-md);
      border: 1px solid #FECACA;
      background: linear-gradient(180deg, #FEF2F2 0%, #FFFFFF 28%);
      padding: 1.75rem 1.5rem;
      box-shadow: var(--shadow-sm);
    }
    .pain-status {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      color: #DC2626;
      background: #FEE2E2;
      padding: 0.2rem 0.6rem;
      border-radius: 4px;
      margin-bottom: 0.85rem;
    }
    .pain-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #991B1B;
      margin-bottom: 0.6rem;
    }
    .pain-desc {
      font-size: 0.875rem;
      color: #64748B;
      line-height: 1.65;
    }

    /* 4. 入口矩阵 / 业态全景切换 */
    .matrix-tabs-container {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .matrix-showcase {
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: 3rem;
      padding: 3rem;
    }
    .showcase-media {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .showcase-media img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .showcase-badge-float {
      position: absolute;
      bottom: 1.25rem;
      left: 1.25rem;
      background: rgba(15, 23, 42, 0.88);
      backdrop-filter: blur(8px);
      color: #FFF;
      padding: 0.75rem 1.25rem;
      border-radius: var(--radius-md);
      font-size: 0.875rem;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .showcase-info h3 {
      font-size: 1.85rem;
      font-weight: 800;
      margin-bottom: 1rem;
      color: var(--accent);
    }
    .showcase-info p {
      font-size: 0.975rem;
      color: var(--text-muted);
      margin-bottom: 1.5rem;
      line-height: 1.75;
    }
    .tech-specs-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.85rem;
      margin-bottom: 2rem;
    }
    .tech-spec-item {
      display: flex;
      align-items: flex-start;
      gap: 0.75rem;
      font-size: 0.925rem;
      color: #334155;
    }
    .tech-spec-check {
      color: var(--success);
      font-weight: bold;
      margin-top: 1px;
    }

    /* 5. 核心优势网格 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .feature-card {
      background: #FFF;
      border-radius: var(--radius-lg);
      padding: 2rem;
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .feature-card:hover {
      border-color: var(--primary-border);
      box-shadow: 0 12px 30px -4px rgba(249, 87, 33, 0.12);
      transform: translateY(-3px);
    }
    .feature-header {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 1rem;
    }
    .feature-num {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
      opacity: 0.8;
    }
    .feature-card h4 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--accent);
    }
    .feature-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 6. 热门收银硬件配套 */
    .hardware-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .hardware-card {
      background: #FFF;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .hardware-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-border);
    }
    .hardware-thumb {
      height: 220px;
      overflow: hidden;
      background: #F1F5F9;
      position: relative;
    }
    .hardware-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .hardware-card:hover .hardware-thumb img {
      transform: scale(1.04);
    }
    .hardware-body {
      padding: 1.75rem;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .hardware-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 0.5rem;
      text-transform: uppercase;
    }
    .hardware-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 0.75rem;
    }
    .hardware-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 1.25rem;
      flex: 1;
    }
    .hardware-specs {
      background: var(--bg-light);
      padding: 0.85rem;
      border-radius: var(--radius-sm);
      font-size: 0.8rem;
      color: #475569;
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
    }

    /* 7. 深色系统架构与容灾保障 */
    .arch-container {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 3.5rem;
      align-items: center;
    }
    .arch-content h3 {
      font-size: 2.1rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 1.25rem;
      color: #FFF;
    }
    .arch-content p {
      color: #94A3B8;
      font-size: 1rem;
      margin-bottom: 2rem;
      line-height: 1.8;
    }
    .arch-pillars {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.25rem;
    }
    .pillar-box {
      background: var(--accent-card);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 1.25rem;
    }
    .pillar-box h5 {
      color: #FFF;
      font-size: 1rem;
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .pillar-box p {
      font-size: 0.825rem;
      color: #94A3B8;
      margin-bottom: 0;
      line-height: 1.6;
    }
    .arch-diagram {
      background: var(--accent-card);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-xl);
      padding: 2rem;
      position: relative;
    }
    .node-row {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1.5rem;
    }
    .node-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-sm);
      padding: 0.85rem;
      text-align: center;
      flex: 1;
    }
    .node-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: #F8FAFC;
    }
    .node-sub {
      font-size: 0.725rem;
      color: #64748B;
      margin-top: 0.2rem;}
    .node-indicator {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      font-size: 0.75rem;
      color: var(--success);
      margin-top: 0.4rem;
    }
    .node-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--success);
    }
    .diagram-sync-banner {
      background: rgba(249, 87, 33, 0.15);
      border: 1px dashed rgba(249, 87, 33, 0.4);
      border-radius: var(--radius-sm);
      padding: 0.85rem;
      text-align: center;
      font-size: 0.825rem;
      color: #FF8F6B;
    }

    /* 8. 实施部署四步流转 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      position: relative;
    }
    .process-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 2rem 1.5rem;
      position: relative;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .process-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-border);
    }
    .process-badge {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary);
      color: #FFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.15rem;
      margin-bottom: 1.25rem;
      box-shadow: 0 4px 10px rgba(249, 87, 33, 0.25);
    }
    .process-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 0.65rem;
    }
    .process-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 9. 数据指标条 */
    .metrics-band {
      background: linear-gradient(135deg, #141824 0%, #1E293B 100%);
      color: #FFF;
      padding: 4.5rem 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      text-align: center;
    }
    .metric-box {
      padding: 1rem;
    }
    .metric-value {
      font-size: 3.25rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 0.5rem;
      font-feature-settings: "tnum";
    }
    .metric-unit {
      font-size: 1.5rem;
      font-weight: 700;
      margin-left: 0.2rem;
    }
    .metric-label {
      font-size: 1rem;
      font-weight: 600;
      color: #F8FAFC;
      margin-bottom: 0.35rem;
    }
    .metric-sub {
      font-size: 0.8rem;
      color: #94A3B8;
    }

    /* 10. 客户案例故事与评价 */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
      margin-bottom: 3.5rem;
    }
    .case-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .case-media {
      height: 240px;
      overflow: hidden;
      position: relative;
    }
    .case-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-label-chip {
      position: absolute;
      top: 1rem;
      left: 1rem;
      background: rgba(15, 23, 42, 0.8);
      color: #FFF;
      font-size: 0.775rem;
      padding: 0.35rem 0.75rem;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }
    .case-body {
      padding: 2rem;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .case-quote {
      font-size: 1rem;
      color: #334155;
      line-height: 1.8;
      margin-bottom: 1.5rem;
      position: relative;
    }
    .case-author {
      display: flex;
      align-items: center;
      gap: 1rem;
      border-top: 1px solid var(--border-color);
      padding-top: 1.25rem;
    }
    .case-avatar {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
    }
    .case-author-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--accent);
    }
    .case-author-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }
    .partner-wall {
      background: #FFF;
      border: 1px dashed var(--border-color);
      border-radius: var(--radius-lg);
      padding: 1.75rem 2rem;
      display: flex;
      justify-content: space-around;
      align-items: center;
      flex-wrap: wrap;
      gap: 1.5rem;
    }
    .partner-brand-text {
      font-weight: 800;
      font-size: 1.1rem;
      color: #94A3B8;
      letter-spacing: 1px;
    }

    /* 11. 资讯动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .news-card {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-border);
    }
    .news-thumb {
      height: 190px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-thumb img {
      transform: scale(1.04);
    }
    .news-content {
      padding: 1.75rem;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .news-date {
      font-size: 0.775rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 0.5rem;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 0.75rem;
      line-height: 1.45;
    }
    .news-summary {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 1.25rem;
      flex: 1;
    }
    .news-action {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      color: var(--accent);
      font-weight: 600;
      font-size: 0.875rem;
    }
    .news-action:hover {
      color: var(--primary);
    }

    /* 12. 常见问题手风琴 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }
    .faq-item {
      background: #FFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      padding: 1.35rem 1.75rem;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--accent);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      background: #FFF;
      transition: background 0.2s;
    }
    .faq-question:hover {
      background: var(--bg-light);
    }
    .faq-icon-arrow {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 1.75rem 1.5rem 1.75rem;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.75;
      display: block;
      border-top: 1px solid #F1F5F9;
      padding-top: 1rem;
    }

    /* 13. 底部咨询与表单收口 */
    .contact-card-box {
      background: linear-gradient(135deg, #141824 0%, #1A2030 100%);
      border-radius: var(--radius-xl);
      padding: 3.5rem;
      color: #FFF;
      box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .contact-layout {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .contact-intro h3 {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 1.25rem;
      color: #FFF;
    }
    .contact-intro p {
      color: #94A3B8;
      font-size: 1rem;
      margin-bottom: 2rem;
      line-height: 1.75;
    }
    .benefit-checklist {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.85rem;
      margin-bottom: 2rem;
    }
    .benefit-item {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 0.925rem;
      color: #E2E8F0;
    }
    .benefit-check {
      color: var(--primary);
      font-weight: bold;
    }
    .contact-direct-phone {
      font-size: 1.5rem;
      font-weight: 800;
      color: #FFF;
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
    .form-panel {
      background: #FFF;
      padding: 2.25rem;
      border-radius: var(--radius-lg);
      color: var(--text-main);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    }
    .form-group {
      margin-bottom: 1.25rem;
    }
    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 0.4rem;
    }
    .form-input, .form-select {
      width: 100%;
      padding: 0.75rem 1rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(249, 87, 33, 0.15);
    }
    .btn-submit {
      width: 100%;
      padding: 0.9rem;
      background: var(--primary);
      color: #FFF;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 1.05rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: var(--shadow-primary);
      transition: var(--transition);
    }
    .btn-submit:hover {
      background: var(--primary-dark);
    }
    .form-privacy-note {
      font-size: 0.75rem;
      color: var(--text-muted);
      text-align: center;
      margin-top: 0.85rem;
      line-height: 1.5;
    }

    /* 页脚系统 */
    .footer-section {
      background-color: #0A0D14;
      color: #94A3B8;
      padding: 5rem 0 2rem 0;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 3rem;
      margin-bottom: 4rem;
    }
    .footer-brand h4 {
      color: #FFF;
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 1rem;
    }
    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.7;
      margin-bottom: 1.5rem;
      color: #64748B;
    }
    .footer-mail {
      font-size: 0.9rem;
      color: #CBD5E1;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }
    .footer-col h5 {
      color: #FFF;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }
    .footer-links a {
      font-size: 0.875rem;
      color: #94A3B8;
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .footer-trust-list {
      display: flex;
      flex-direction: column;
      gap: 0.85rem;
      font-size: 0.875rem;
    }
    .trust-row {
      display: flex;
      align-items: flex-start;
      gap: 0.6rem;
      line-height: 1.5;
    }
    .trust-key {
      color: #F8FAFC;
      font-weight: 600;
      white-space: nowrap;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.825rem;
      color: #64748B;
      flex-wrap: wrap;
      gap: 1rem;
    }
    .footer-icp a {
      color: #64748B;
    }
    .footer-icp a:hover {
      color: #94A3B8;
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .selling-points-grid, .features-grid, .hardware-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .pain-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .matrix-showcase {
        grid-template-columns: 1fr;
        padding: 2rem;
      }
      .arch-container {
        grid-template-columns: 1fr;
      }
      .contact-layout {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar-inner {
        justify-content: center;
      }
      .top-bar-contact {
        display: none;
      }
      .nav-menu, .nav-btn-wrap {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .hero-title {
        font-size: 2.2rem;
      }
      .hero-series-strip {
        grid-template-columns: 1fr;
        gap: 1rem;
      }
      .series-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        padding-bottom: 0.75rem;
        padding-right: 0;
      }
      .series-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
      }
      .selling-points-grid, .pain-grid, .features-grid, .hardware-grid, .news-grid, .cases-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .contact-card-box {
        padding: 1.75rem 1.25rem;
      }
      .section-wrap {
        padding: 3.5rem 0;
      }
      .section-title {
        font-size: 1.75rem;
      }
    }