/* roulang page: index */
:root {
      --bg-dark: #090A0F;
      --bg-darker: #050608;
      --bg-card: #13161F;
      --bg-card-hover: #1A1F2C;
      --brand-green: #00F076;
      --brand-green-hover: #00D267;
      --brand-green-alpha: rgba(0, 240, 118, 0.12);
      --border-dark: rgba(255, 255, 255, 0.08);
      --border-green: rgba(0, 240, 118, 0.4);
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --text-sub: #64748B;
      --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

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

    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部双行导航系统 */
    .top-system-bar {
      background: var(--bg-darker);
      border-bottom: 1px solid var(--border-dark);
      font-size: 13px;
      color: var(--text-sub);
      padding: 8px 0;
    }
    .top-system-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-badge-pulse {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--brand-green);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--brand-green);
    }
    .top-links {
      display: flex;
      gap: 20px;
    }
    .top-links span {
      color: var(--text-muted);
    }

    .main-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(9, 10, 15, 0.88);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-dark);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .main-nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: var(--text-main);
    }
    .logo-icon-svg {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--brand-green), #059669);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #000;
      font-weight: 900;
      font-size: 18px;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-menu a {
      font-size: 15px;
      color: var(--text-muted);
      font-weight: 500;
      position: relative;
    }
    .nav-menu a:hover,
    .nav-menu a.active {
      color: var(--brand-green);
    }
    .nav-cta-btn {
      background: var(--brand-green);
      color: #050608;
      font-weight: 700;
      font-size: 14px;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      display: inline-block;
      transition: var(--transition-smooth);
    }
    .nav-cta-btn:hover {
      background: #00ff80;
      box-shadow: 0 0 20px rgba(0, 240, 118, 0.45);
      transform: translateY(-1px);
    }

    /* 移动端菜单按钮 */
    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 24px;
      cursor: pointer;
    }

    /* 板块公用样式 */
    .section-wrap {
      padding: 96px 0;
      position: relative;
    }
    .section-wrap.alt-bg {
      background: #0D0F17;
    }
    .section-wrap.black-pure {
      background: var(--bg-darker);
    }
    .section-header {
      margin-bottom: 56px;
      text-align: left;
    }
    .section-header.text-center {
      text-align: center;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      background: var(--brand-green-alpha);
      color: var(--brand-green);
      font-size: 12px;
      font-weight: 600;
      border-radius: 99px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      border: 1px solid var(--border-green);
    }
    .section-title {
      font-size: 34px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 780px;
      line-height: 1.7;
    }
    .section-desc.mx-auto {
      margin-left: auto;
      margin-right: auto;
    }

    /* 斜切 Hero 板块：优惠券墙入口 + 主券面放大 */
    .hero-angled-band {
      position: relative;
      background: linear-gradient(180deg, rgba(9,10,15,0.7) 0%, #090A0F 100%), url('/assets/images/c4c039417e23ae59.jpg') center/cover no-repeat;
      padding: 100px 0 140px;
      clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
      border-bottom: 1px solid var(--border-dark);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 46px;
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }
    .hero-h1 .highlight {
      color: var(--brand-green);
      position: relative;
    }
    .hero-p {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-badges-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-badge-item {
      display: flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-dark);
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      color: #CBD5E1;
    }

    /* 优惠券墙入口主券面 */
    .voucher-wall-container {
      background: linear-gradient(145deg, #151924, #0D0F17);
      border: 2px dashed var(--border-green);
      border-radius: var(--radius-lg);
      padding: 32px;
      position: relative;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
      transform: rotate(0.5deg);
      transition: var(--transition-smooth);
    }
    .voucher-wall-container:hover {
      transform: translateY(-4px) rotate(0deg);
      box-shadow: 0 24px 50px rgba(0, 240, 118, 0.15);
    }
    .voucher-top-tag {
      position: absolute;
      top: -14px;
      right: 28px;
      background: var(--brand-green);
      color: #090A0F;
      font-size: 12px;
      font-weight: 800;
      padding: 4px 14px;
      border-radius: 99px;
      letter-spacing: 0.5px;
    }
    .voucher-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 8px;
      color: #fff;
    }
    .voucher-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.6;
    }
    .voucher-value-box {
      background: rgba(0, 0, 0, 0.4);
      border-radius: var(--radius-md);
      padding: 18px;
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      margin-bottom: 24px;
      border-left: 4px solid var(--brand-green);
    }
    .voucher-val-num {
      font-size: 38px;
      font-weight: 800;
      color: var(--brand-green);
      font-family: monospace;
    }
    .voucher-val-unit {
      font-size: 14px;
      color: var(--text-muted);
      margin-left: 6px;
    }
    .voucher-status {
      font-size: 13px;
      color: #38BDF8;
      font-weight: 600;
    }
    .voucher-action-btn {
      width: 100%;
      background: var(--brand-green);
      color: #050608;
      border: none;
      padding: 14px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      transition: var(--transition-smooth);
    }
    .voucher-action-btn:hover {
      background: #00ff80;
      box-shadow: 0 0 24px rgba(0, 240, 118, 0.4);
    }
    .voucher-note {
      font-size: 12px;
      color: var(--text-sub);
      text-align: center;
      margin-top: 12px;
    }

    /* 2. 传统痛点对比 */
    .pain-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .pain-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 30px;
      position: relative;
      transition: var(--transition-smooth);
    }
    .pain-card:hover {
      border-color: rgba(239, 68, 68, 0.4);
      transform: translateY(-3px);
    }
    .pain-idx {
      font-size: 14px;
      color: #EF4444;
      font-weight: 700;
      margin-bottom: 12px;
      display: block;
    }
    .pain-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #F8FAFC;
    }
    .pain-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 3. 产线能力 (6格矩阵) */
    .capacity-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .capacity-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 32px;
      transition: var(--transition-smooth);
      position: relative;
    }
    .capacity-card:hover {
      border-color: var(--border-green);
      transform: translateY(-4px);
      box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
    }
    .cap-icon {
      width: 44px;
      height: 44px;
      background: var(--brand-green-alpha);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-green);
      margin-bottom: 20px;
      font-size: 20px;
      font-weight: 800;
    }
    .capacity-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
    }
    .capacity-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 4. 参数表 (技术规格速览) */
    .spec-table-box {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .spec-row {
      display: grid;
      grid-template-columns: 280px 1fr;
      border-bottom: 1px solid var(--border-dark);
      padding: 22px 32px;
      align-items: center;
    }
    .spec-row:last-child {
      border-bottom: none;
    }
    .spec-key {
      font-size: 15px;
      font-weight: 600;
      color: #CBD5E1;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .spec-key::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--brand-green);
    }
    .spec-value {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .spec-value strong {
      color: #fff;
    }

    /* 5. 案例现场 (深色沉浸) */
    .case-live-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .case-preview-img-box {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-dark);
    }
    .case-badge-float {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(8px);
      border: 1px solid var(--border-green);
      color: var(--brand-green);
      padding: 6px 14px;
      font-size: 12px;
      border-radius: 99px;
    }
    .case-content-info h3 {
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .case-content-info p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.8;
    }
    .case-metrics-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 28px;
    }
    .case-metric-item {
      background: var(--bg-card);
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-dark);
    }
    .case-metric-val {
      font-size: 24px;
      font-weight: 800;
      color: var(--brand-green);
      font-family: monospace;
    }
    .case-metric-lbl {
      font-size: 13px;
      color: var(--text-sub);
      margin-top: 4px;
    }

    /* 6. 交付流程 (时间线/步骤) */
    .delivery-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 28px;
      position: relative;
      transition: var(--transition-smooth);
    }
    .step-card:hover {
      border-color: var(--brand-green);
      transform: translateY(-3px);
    }
    .step-number {
      font-size: 32px;
      font-weight: 900;
      color: rgba(255, 255, 255, 0.1);
      line-height: 1;
      margin-bottom: 14px;
      font-family: monospace;
    }
    .step-card h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 10px;
      color: #fff;
    }
    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 7. 产品矩阵 (3款对比) */
    .matrix-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .matrix-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition-smooth);
    }
    .matrix-card.featured {
      border: 2px solid var(--brand-green);
      background: linear-gradient(180deg, #161C26, #10141D);
      box-shadow: 0 10px 40px rgba(0, 240, 118, 0.12);
      transform: scale(1.02);
    }
    .matrix-flag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--brand-green);
      color: #000;
      font-size: 12px;
      font-weight: 800;
      padding: 4px 16px;
      border-radius: 99px;
    }
    .matrix-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .matrix-desc {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 48px;
    }
    .matrix-feature-list {
      list-style: none;
      margin-bottom: 32px;
      flex-grow: 1;
    }
    .matrix-feature-list li {
      font-size: 13px;
      color: #CBD5E1;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .matrix-feature-list li::before {
      content: "✓";
      color: var(--brand-green);
      font-weight: 900;
    }
    .matrix-btn {
      display: block;
      text-align: center;
      padding: 12px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 14px;
      background: rgba(255, 255, 255, 0.08);
      color: #fff;
      border: 1px solid var(--border-dark);
    }
    .matrix-card.featured .matrix-btn {
      background: var(--brand-green);
      color: #050608;
      border-color: var(--brand-green);
    }
    .matrix-btn:hover {
      background: var(--brand-green);
      color: #000;
    }

    /* 8. 成果数据量化条 */
    .kpi-counter-strip {
      background: #0E121C;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
      padding: 64px 0;
    }
    .kpi-flex {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .kpi-item-num {
      font-size: 46px;
      font-weight: 900;
      color: var(--brand-green);
      font-family: monospace;
      margin-bottom: 8px;
    }
    .kpi-item-lbl {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 9. 客户证言区 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 32px;
      position: relative;
    }
    .testi-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 24px;
      font-style: italic;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #2D3748;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--brand-green);
      border: 1px solid var(--border-dark);
    }
    .testi-name {
      font-size: 15px;
      font-weight: 700;
    }
    .testi-role {
      font-size: 12px;
      color: var(--text-sub);
    }

    /* 10. 适用人群与部署模式 */
    .audience-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .aud-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      transition: var(--transition-smooth);
    }
    .aud-card:hover {
      border-color: var(--brand-green);
      transform: translateY(-3px);
    }
    .aud-icon {
      font-size: 28px;
      margin-bottom: 14px;
    }
    .aud-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .aud-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 11. 资讯动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition-smooth);
    }
    .news-card:hover {
      border-color: var(--border-green);
      transform: translateY(-4px);
    }
    .news-thumb-box {
      width: 100%;
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .news-thumb-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .news-card:hover .news-thumb-box img {
      transform: scale(1.05);
    }
    .news-meta-tag {
      position: absolute;
      bottom: 12px;
      left: 12px;
      background: rgba(9, 10, 15, 0.85);
      border: 1px solid var(--border-dark);
      color: var(--brand-green);
      font-size: 11px;
      padding: 3px 10px;
      border-radius: var(--radius-sm);
    }
    .news-info {
      padding: 22px;
    }
    .news-title {
      font-size: 16px;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .news-summary {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 12. 交互式 FAQ 折叠面板 */
    .faq-accordion-box {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition-smooth);
    }
    .faq-item.active {
      border-color: var(--border-green);
    }
    .faq-trigger {
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      color: var(--text-main);
      padding: 22px 28px;
      font-size: 16px;
      font-weight: 600;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-arrow {
      color: var(--brand-green);
      font-size: 18px;
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-arrow {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
      padding: 0 28px;
    }
    .faq-item.active .faq-answer {
      max-height: 400px;
      padding: 0 28px 24px;
      transition: max-height 0.35s ease-in-out;
    }
    .faq-answer p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 13. 底部终极转化推进区 */
    .final-cta-box {
      background: linear-gradient(135deg, #101924, #08281B);
      border: 1px solid var(--border-green);
      border-radius: var(--radius-lg);
      padding: 64px 40px;
      text-align: center;
      box-shadow: 0 20px 60px rgba(0, 240, 118, 0.08);
    }
    .final-cta-title {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .final-cta-desc {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 620px;
      margin: 0 auto 32px;
      line-height: 1.7;
    }
    .inquiry-form-wrap {
      max-width: 520px;
      margin: 0 auto 20px;
      display: flex;
      gap: 12px;
    }
    .inquiry-input {
      flex-grow: 1;
      background: rgba(0, 0, 0, 0.6);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 14px 18px;
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: var(--transition-smooth);
    }
    .inquiry-input:focus {
      border-color: var(--brand-green);
      box-shadow: 0 0 12px rgba(0, 240, 118, 0.25);
    }
    .inquiry-submit-btn {
      background: var(--brand-green);
      color: #050608;
      border: none;
      padding: 0 28px;
      font-weight: 700;
      font-size: 14px;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition-smooth);
      white-space: nowrap;
    }
    .inquiry-submit-btn:hover {
      background: #00ff80;
      box-shadow: 0 0 20px rgba(0, 240, 118, 0.45);
    }

    /* 合作伙伴通栏 */
    .partners-band {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 36px;
      align-items: center;
      opacity: 0.75;
      padding: 20px 0;
    }
    .partner-brand-text {
      font-size: 16px;
      font-weight: 700;
      letter-spacing: 1px;
      color: #94A3B8;
    }

    /* 底部页脚系统 */
    .site-footer {
      background: var(--bg-darker);
      border-top: 1px solid var(--border-dark);
      padding: 72px 0 36px;
      font-size: 14px;
      color: var(--text-sub);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 56px;
    }
    .footer-col h5 {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a:hover {
      color: var(--brand-green);
    }
    .footer-bottom-bar {
      border-top: 1px solid var(--border-dark);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    /* 移动端响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .case-live-wrapper {
        grid-template-columns: 1fr;
      }
      .capacity-grid, .matrix-cards-grid, .testimonial-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .delivery-steps-grid, .audience-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .spec-row {
        grid-template-columns: 200px 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-system-bar {
        display: none;
      }
      .main-nav-inner {
        position: relative;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: -24px;
        right: -24px;
        background: #0D0F17;
        padding: 24px;
        border-bottom: 1px solid var(--border-dark);
        gap: 18px;
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-cta-btn {
        display: none;
      }
      .hero-h1 {
        font-size: 32px;
      }
      .section-title {
        font-size: 26px;
      }
      .pain-cards-grid, .capacity-grid, .matrix-cards-grid, .testimonial-grid, .news-grid, .audience-grid, .delivery-steps-grid {
        grid-template-columns: 1fr;
      }
      .kpi-flex {
        grid-template-columns: repeat(2, 1fr);
      }
      .spec-row {
        grid-template-columns: 1fr;
        gap: 8px;
      }
      .inquiry-form-wrap {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }