/* roulang page: index */
:root {
      --bg-deep: #070A11;
      --bg-dark: #0B0F19;
      --bg-card: #141A28;
      --bg-card-hover: #1A2234;
      --text-white: #FFFFFF;
      --text-slate: #94A3B8;
      --text-dim: #64748B;
      --cyan: #00F2FE;
      --blue: #4FACFE;
      --green: #10B981;
      --amber: #F59E0B;
      --rose: #F43F5E;
      --border-light: rgba(255, 255, 255, 0.08);
      --border-cyan: rgba(0, 242, 254, 0.3);
      --gradient-brand: linear-gradient(135deg, #00F2FE 0%, #4FACFE 100%);
      --gradient-card: linear-gradient(180deg, rgba(20, 26, 40, 0.8) 0%, rgba(11, 15, 25, 0.95) 100%);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-glow: 0 0 35px rgba(0, 242, 254, 0.15);
      --max-width: 1280px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    body {
      background-color: var(--bg-dark);
      color: var(--text-slate);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Inter, sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

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

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

    .section {
      padding-top: 96px;
      padding-bottom: 96px;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-deep);
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: rgba(0, 242, 254, 0.08);
      border: 1px solid var(--border-cyan);
      border-radius: 9999px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
      text-transform: uppercase;
    }

    .section-title {
      color: var(--text-white);
      font-size: clamp(28px, 3.2vw, 40px);
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin-bottom: 18px;
    }

    .section-desc {
      color: var(--text-slate);
      font-size: 16px;
      max-width: 780px;
      line-height: 1.7;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      border: none;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .btn-primary {
      background: var(--gradient-brand);
      color: #070A11;
      box-shadow: 0 4px 20px rgba(0, 242, 254, 0.35);
    }

    .btn-primary:hover {
      box-shadow: 0 6px 28px rgba(0, 242, 254, 0.55);
      transform: translateY(-2px);
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-white);
      border: 1px solid var(--border-light);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.09);
      border-color: rgba(255, 255, 255, 0.2);
      transform: translateY(-2px);
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(11, 15, 25, 0.82);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-light);
    }

    .top-bar {
      font-size: 12px;
      color: var(--text-dim);
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-white);
      letter-spacing: -0.02em;
    }

    .brand-logo-icon {
      width: 34px;
      height: 34px;
      background: var(--gradient-brand);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #070A11;
      font-size: 18px;
      font-weight: 900;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-links a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-slate);
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--cyan);
    }

    /* 首屏轮播 */
    .hero-slider-wrap {
      position: relative;
      background: radial-gradient(circle at 50% 20%, rgba(0, 242, 254, 0.12), transparent 60%),
                  radial-gradient(circle at 80% 80%, rgba(79, 172, 254, 0.08), transparent 50%),
                  var(--bg-dark);
      padding: 90px 0 110px;
      overflow: hidden;
      border-bottom: 1px solid var(--border-light);
    }

    .hero-slider-wrap::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/8e025dad93ca766f.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.16;
      pointer-events: none;
    }

    .hero-slide {
      display: none;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .hero-slide.active {
      display: grid;
      animation: fadeIn 0.6s ease forwards;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(12px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .hero-title {
      font-size: clamp(34px, 4.4vw, 54px);
      line-height: 1.18;
      font-weight: 800;
      color: var(--text-white);
      letter-spacing: -0.03em;
      margin-bottom: 24px;
    }

    .hero-title span {
      background: var(--gradient-brand);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-text {
      font-size: 17px;
      line-height: 1.8;
      color: var(--text-slate);
      margin-bottom: 36px;
      max-width: 620px;
    }

    .hero-actions {
      display: flex;
      gap: 16px;
      align-items: center;
      flex-wrap: wrap;
    }

    .hero-img-box {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-cyan);
      box-shadow: var(--shadow-glow);
    }

    .hero-img-box img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }

    .slider-controls {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      margin-top: 40px;
      position: relative;
      z-index: 3;
    }

    .slider-dot {
      width: 32px;
      height: 4px;
      border-radius: 2px;
      background: rgba(255, 255, 255, 0.2);
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .slider-dot.active {
      width: 54px;
      background: var(--cyan);
    }

    /* 痛点矩阵 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .pain-card {
      background: var(--gradient-card);
      border: 1px solid var(--border-light);
      border-top: 3px solid var(--rose);
      padding: 32px 24px;
      border-radius: var(--radius-md);
      position: relative;
      transition: transform 0.3s ease, border-color 0.3s ease;
    }

    .pain-card:hover {
      transform: translateY(-4px);
      border-color: rgba(244, 63, 94, 0.4);
    }

    .pain-icon {
      font-size: 26px;
      color: var(--rose);
      margin-bottom: 16px;
    }

    .pain-card h3 {
      font-size: 18px;
      color: var(--text-white);
      margin-bottom: 12px;
    }

    .pain-card p {
      font-size: 14px;
      color: var(--text-slate);
      line-height: 1.6;
    }

    /* 全栈解决方案 */
    .solution-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
      margin-top: 48px;
    }

    .solution-img-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

    .solution-img-box img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    .solution-points {
      list-style: none;
      display: grid;
      gap: 20px;
      margin-top: 24px;
    }

    .solution-item {
      display: flex;
      gap: 16px;
    }

    .solution-tag {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(0, 242, 254, 0.12);
      color: var(--cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 13px;
      margin-top: 2px;
    }

    .solution-item h4 {
      font-size: 17px;
      color: var(--text-white);
      margin-bottom: 4px;
    }

    .solution-item p {
      font-size: 14px;
      color: var(--text-slate);
      line-height: 1.6;
    }

    /* 核心优势 */
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: 48px;
    }

    .advantage-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 36px 28px;
      transition: all 0.3s ease;
      position: relative;
    }

    .advantage-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-cyan);
      box-shadow: var(--shadow-glow);
      background: var(--bg-card-hover);
    }

    .advantage-badge {
      width: 44px;
      height: 44px;
      background: rgba(0, 242, 254, 0.1);
      border: 1px solid var(--border-cyan);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--cyan);
      font-size: 20px;
      margin-bottom: 20px;
    }

    .advantage-card h3 {
      font-size: 19px;
      color: var(--text-white);
      margin-bottom: 12px;
    }

    .advantage-card p {
      font-size: 14px;
      color: var(--text-slate);
      line-height: 1.65;
    }

    /* 热门设备与终端 */
    .device-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      margin-top: 48px;
    }

    .device-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }

    .device-card:hover {
      transform: translateY(-4px);
      border-color: rgba(79, 172, 254, 0.4);
    }

    .device-thumb {
      height: 220px;
      overflow: hidden;
      position: relative;
    }

    .device-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .device-card:hover .device-thumb img {
      transform: scale(1.05);
    }

    .device-body {
      padding: 28px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .device-body h3 {
      font-size: 19px;
      color: var(--text-white);
      margin-bottom: 8px;
    }

    .device-meta {
      font-size: 13px;
      color: var(--cyan);
      margin-bottom: 14px;
      font-weight: 600;
    }

    .device-desc {
      font-size: 14px;
      color: var(--text-slate);
      margin-bottom: 20px;
      line-height: 1.6;
      flex: 1;
    }

    .device-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 24px;
    }

    .device-pill {
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 4px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      color: var(--text-dim);
    }

    /* 深色科技案例 */
    .case-container {
      background: #06090F;
      border: 1px solid rgba(0, 242, 254, 0.2);
      border-radius: var(--radius-lg);
      padding: 64px 48px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 56px;
      align-items: center;
      margin-top: 48px;
    }

    .case-title {
      font-size: clamp(24px, 2.5vw, 34px);
      color: var(--text-white);
      margin-bottom: 20px;
      line-height: 1.3;
    }

    .case-text {
      font-size: 15px;
      color: var(--text-slate);
      line-height: 1.8;
      margin-bottom: 28px;
    }

    .case-metrics-mini {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      border-top: 1px solid var(--border-light);
      padding-top: 24px;
    }

    .mini-metric-num {
      font-size: 26px;
      font-weight: 800;
      color: var(--cyan);
    }

    .mini-metric-label {
      font-size: 13px;
      color: var(--text-dim);
    }

    .case-visual {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
    }

    .case-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* 用户成长故事 */
    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      margin-top: 48px;
    }

    .story-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 36px;
      display: flex;
      flex-direction: column;
    }

    .story-user {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 20px;
    }

    .story-avatar {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: var(--gradient-brand);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      color: #070A11;
    }

    .story-name {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-white);
    }

    .story-role {
      font-size: 13px;
      color: var(--cyan);
    }

    .story-quote {
      font-size: 15px;
      line-height: 1.7;
      color: var(--text-slate);
      margin-bottom: 24px;
      font-style: italic;
    }

    .story-bars {
      border-top: 1px solid var(--border-light);
      padding-top: 20px;
      display: grid;
      gap: 14px;
    }

    .story-bar-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
    }

    .story-bar-label {
      color: var(--text-dim);
    }

    .story-bar-val {
      color: var(--cyan);
      font-weight: 700;
    }

    /* 关键指标条 */
    .metric-strip {
      background: linear-gradient(90deg, #090E1A 0%, #111827 100%);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 48px 36px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
      margin-top: 48px;
    }

    .metric-col {
      text-align: center;
      border-right: 1px solid var(--border-light);
    }

    .metric-col:last-child {
      border-right: none;
    }

    .metric-big {
      font-size: clamp(38px, 4.5vw, 64px);
      font-weight: 900;
      color: var(--text-white);
      line-height: 1;
      margin-bottom: 10px;
      letter-spacing: -0.03em;
    }

    .metric-big span {
      font-size: 24px;
      color: var(--cyan);
      margin-left: 2px;
    }

    .metric-title {
      font-size: 15px;
      color: var(--text-slate);
      font-weight: 600;
      margin-bottom: 4px;
    }

    .metric-sub {
      font-size: 12px;
      color: var(--text-dim);
    }

    /* 客户全维评价 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: 48px;
    }

    .testimonial-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 32px 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .stars {
      color: var(--amber);
      font-size: 15px;
      letter-spacing: 3px;
      margin-bottom: 16px;
    }

    .testimonial-quote {
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-slate);
      margin-bottom: 24px;
    }

    .testimonial-author {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-white);
    }

    .testimonial-org {
      font-size: 12px;
      color: var(--text-dim);
      margin-top: 2px;
    }

    /* 适用场景与人群 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 48px;
    }

    .scenario-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .scenario-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-cyan);
    }

    .scenario-img {
      height: 160px;
      overflow: hidden;
    }

    .scenario-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .scenario-body {
      padding: 24px;
    }

    .scenario-body h3 {
      font-size: 17px;
      color: var(--text-white);
      margin-bottom: 10px;
    }

    .scenario-body p {
      font-size: 13px;
      color: var(--text-slate);
      line-height: 1.6;
    }

    /* 行业技术资讯摘要 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: 48px;
    }

    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease;
    }

    .news-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-cyan);
    }

    .news-img {
      height: 190px;
      overflow: hidden;
    }

    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .news-body {
      padding: 28px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .news-meta {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-dim);
      margin-bottom: 12px;
    }

    .news-badge {
      color: var(--cyan);
      font-weight: 600;
    }

    .news-card h3 {
      font-size: 17px;
      color: var(--text-white);
      margin-bottom: 12px;
      line-height: 1.45;
    }

    .news-card p {
      font-size: 13px;
      color: var(--text-slate);
      line-height: 1.6;
      margin-bottom: 20px;
      flex: 1;
    }

    .news-link {
      font-size: 13px;
      color: var(--cyan);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 常见问题手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 48px auto 0;
      display: grid;
      gap: 16px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.25s ease;
    }

    .faq-item.active {
      border-color: var(--border-cyan);
    }

    .faq-question {
      padding: 24px 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-white);
      user-select: none;
    }

    .faq-icon {
      font-size: 18px;
      color: var(--cyan);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: rgba(11, 15, 25, 0.4);
      color: var(--text-slate);
      font-size: 14px;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 0 28px 24px;
    }

    /* 底部收口行动区 */
    .final-cta {
      background: radial-gradient(circle at 50% 50%, rgba(0, 242, 254, 0.15), transparent 70%), #0A0E18;
      border: 1px solid var(--border-cyan);
      border-radius: var(--radius-lg);
      padding: 72px 48px;
      text-align: center;
      margin: 96px auto 0;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-glow);
    }

    .cta-form {
      display: flex;
      gap: 12px;
      max-width: 540px;
      margin: 36px auto 0;
      justify-content: center;
    }

    .cta-input {
      flex: 1;
      padding: 14px 20px;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-light);
      color: var(--text-white);
      font-size: 14px;
      outline: none;
    }

    .cta-input:focus {
      border-color: var(--cyan);
    }

    /* 页脚 */
    .site-footer {
      background: #05070D;
      border-top: 1px solid var(--border-light);
      padding: 80px 0 36px;
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 48px;
      margin-bottom: 60px;
    }

    .footer-brand h4 {
      font-size: 18px;
      color: var(--text-white);
      margin-bottom: 16px;
    }

    .footer-desc {
      color: var(--text-slate);
      line-height: 1.7;
      font-size: 13px;
      margin-bottom: 20px;
    }

    .footer-col h5 {
      font-size: 15px;
      color: var(--text-white);
      margin-bottom: 20px;
    }

    .footer-links {
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .footer-links a {
      color: var(--text-slate);
      font-size: 13px;
    }

    .footer-links a:hover {
      color: var(--cyan);
    }

    .footer-contact-item {
      display: flex;
      gap: 10px;
      color: var(--text-slate);
      font-size: 13px;
      margin-bottom: 12px;
      line-height: 1.5;
    }

    .footer-bottom {
      border-top: 1px solid var(--border-light);
      padding-top: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12px;
      color: var(--text-dim);
    }

    .footer-bottom a {
      color: var(--text-dim);
    }

    .footer-bottom a:hover {
      color: var(--text-slate);
    }

    /* 移动端菜单与适配 */
    .menu-toggle {
      display: none;
      background: transparent;
      border: none;
      color: var(--text-white);
      font-size: 24px;
      cursor: pointer;
    }

    @media (max-width: 1024px) {
      .pain-grid,
      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .advantage-grid,
      .device-grid,
      .news-grid,
      .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-slide {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .hero-img-box img {
        height: 320px;
      }
      .solution-box,
      .case-container {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .metric-strip {
        grid-template-columns: repeat(2, 1fr);
      }
      .metric-col:nth-child(2) {
        border-right: none;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: rgba(11, 15, 25, 0.98);
        border-bottom: 1px solid var(--border-light);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-cta-btn {
        display: none;
      }
      .pain-grid,
      .advantage-grid,
      .device-grid,
      .story-grid,
      .testimonial-grid,
      .scenario-grid,
      .news-grid {
        grid-template-columns: 1fr;
      }
      .metric-strip {
        grid-template-columns: 1fr;
      }
      .metric-col {
        border-right: none;
        border-bottom: 1px solid var(--border-light);
        padding-bottom: 20px;
      }
      .metric-col:last-child {
        border-bottom: none;
        padding-bottom: 0;
      }
      .case-metrics-mini {
        grid-template-columns: 1fr;
      }
      .cta-form {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }