/* roulang page: index */
:root {
      --primary-from: #0F62FE;
      --primary-to: #6929C4;
      --primary-gradient: linear-gradient(135deg, #0F62FE 0%, #6929C4 100%);
      --accent: #00D2B4;
      --accent-dark: #00a892;
      --bg-neutral: #F8FAFC;
      --bg-white: #FFFFFF;
      --bg-dark: #0B0F19;
      --bg-dark-card: #151D2F;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-light: #E2E8F0;
      --border-dark: #1E293B;
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-base: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
      --shadow-hover: 0 20px 30px -4px rgba(15, 98, 254, 0.14);
      --container-max: 1280px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-neutral);
      color: var(--text-body);
      line-height: 1.6;
    }

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

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

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

    /* 顶部双行导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    }

    .top-utility-bar {
      background: #0B0F19;
      color: #94A3B8;
      font-size: 13px;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-utility-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-utility-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: #E2E8F0;
    }
    .status-dot {
      width: 8px;
      height: 8px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent);
    }

    .main-nav-bar {
      padding: 14px 0;
    }
    .main-nav-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }
    .brand-logo-icon {
      width: 36px;
      height: 36px;
      background: var(--primary-gradient);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      box-shadow: 0 4px 12px rgba(15, 98, 254, 0.28);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-body);
      position: relative;
      padding: 6px 0;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--primary-from);
    }
    .nav-links a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0%;
      height: 2px;
      background: var(--primary-gradient);
      transition: width 0.2s ease;
    }
    .nav-links a:hover::after, .nav-links a.active::after {
      width: 100%;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }

    /* 按钮与徽章 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 26px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 9999px;
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      border: 1px solid transparent;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--primary-gradient);
      color: #fff;
      box-shadow: 0 4px 14px rgba(15, 98, 254, 0.35);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(15, 98, 254, 0.45);
      color: #fff;
    }
    .btn-outline {
      background: #FFFFFF;
      color: var(--text-main);
      border-color: var(--border-light);
    }
    .btn-outline:hover {
      border-color: var(--primary-from);
      color: var(--primary-from);
      background: rgba(15, 98, 254, 0.04);
      transform: translateY(-2px);
    }
    .btn-accent {
      background: var(--accent);
      color: #052e26;
      font-weight: 700;
      box-shadow: 0 4px 14px rgba(0, 210, 180, 0.35);
    }
    .btn-accent:hover {
      background: #0ae2c4;
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(0, 210, 180, 0.45);
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 14px;
      border-radius: 9999px;
      font-size: 13px;
      font-weight: 600;
      background: rgba(15, 98, 254, 0.08);
      color: var(--primary-from);
      border: 1px solid rgba(15, 98, 254, 0.2);
    }
    .badge-pill.danger {
      background: rgba(239, 68, 68, 0.08);
      color: #DC2626;
      border-color: rgba(239, 68, 68, 0.2);
    }
    .badge-pill.accent {
      background: rgba(0, 210, 180, 0.12);
      color: #0f766e;
      border-color: rgba(0, 210, 180, 0.3);
    }

    /* 板块通用头部 */
    .section-spacing {
      padding: 88px 0;
    }
    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 52px;
    }
    .section-header h2 {
      font-size: 34px;
      font-weight: 800;
      color: var(--text-main);
      margin: 14px 0 16px;
      letter-spacing: -0.5px;
      line-height: 1.3;
    }
    .section-header p {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 卡片基础系统 */
    .feature-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 32px;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-base);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(15, 98, 254, 0.3);
    }

    /* 1. Hero 品牌大图叙事 */
    #hero {
      position: relative;
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      padding: 70px 0 90px;
      overflow: hidden;
      border-bottom: 1px solid var(--border-light);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 46px;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.22;
      margin: 18px 0;
      letter-spacing: -1px;
    }
    .hero-content h1 span {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-content .hero-desc {
      font-size: 17px;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 32px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }
    .hero-proof-bar {
      display: flex;
      align-items: center;
      gap: 24px;
      padding-top: 20px;
      border-top: 1px solid var(--border-light);
    }
    .proof-item {
      display: flex;
      flex-direction: column;
    }
    .proof-item strong {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary-from);
    }
    .proof-item span {
      font-size: 13px;
      color: var(--text-muted);
    }
    .hero-visual {
      position: relative;
    }
    .hero-cover-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
      border: 3px solid rgba(255, 255, 255, 0.8);
      position: relative;
    }
    .floating-badge {
      position: absolute;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      padding: 14px 20px;
      border-radius: var(--radius-md);
      box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
      border: 1px solid var(--border-light);
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .floating-badge.badge-top {
      top: -20px;
      left: -20px;
    }
    .floating-badge.badge-bottom {
      bottom: -20px;
      right: -20px;
    }
    .floating-badge-icon {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(0, 210, 180, 0.15);
      color: #0f766e;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }

    /* 2. 痛点卡片对比 */
    #pain-points {
      background: var(--bg-neutral);
    }
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .pain-card {
      background: #FFFFFF;
      border: 1px solid #FECACA;
      border-radius: var(--radius-lg);
      padding: 32px;
      position: relative;
    }
    .pain-card .badge-pill {
      margin-bottom: 18px;
    }
    .pain-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: #991B1B;
      margin-bottom: 12px;
    }
    .pain-card p {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 3. 架构与产品矩阵 */
    #platform-intro {
      background: #FFFFFF;
    }
    .architecture-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .arch-stack {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .arch-layer {
      background: var(--bg-neutral);
      border: 1px solid var(--border-light);
      border-left: 4px solid var(--primary-from);
      border-radius: var(--radius-sm);
      padding: 18px 22px;
    }
    .arch-layer-title {
      font-weight: 700;
      color: var(--text-main);
      font-size: 16px;
      margin-bottom: 4px;
      display: flex;
      justify-content: space-between;
    }
    .arch-layer-desc {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 4. 核心功能 6 格网格 */
    #features {
      background: var(--bg-neutral);
    }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: var(--primary-gradient);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 22px;
      margin-bottom: 20px;
    }
    .feature-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .feature-card p {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 5. 标杆产品与模块中心 */
    #products {
      background: #FFFFFF;
    }
    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .product-box {
      border: 2px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      background: #FFFFFF;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s ease;
    }
    .product-box:hover {
      border-color: var(--primary-from);
      transform: translateY(-5px);
      box-shadow: 0 16px 36px rgba(15, 98, 254, 0.1);
    }
    .product-title {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .product-topology {
      background: #F8FAFC;
      border-radius: var(--radius-sm);
      padding: 16px;
      margin: 20px 0;
      font-size: 13px;
      border: 1px dashed #CBD5E1;
    }
    .product-topology li {
      list-style: none;
      padding: 4px 0;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 6. 方法步骤路线图 */
    #workflow {
      background: #F1F5F9;
    }
    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 30px 24px;
      position: relative;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-base);
    }
    .step-num {
      width: 44px;
      height: 44px;
      background: var(--primary-gradient);
      color: #fff;
      font-weight: 800;
      font-size: 18px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }
    .step-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 7. 深色高对比解决方案 */
    #solutions {
      background: var(--bg-dark);
      color: #FFFFFF;
      padding: 100px 0;
    }
    #solutions .section-header h2 {
      color: #FFFFFF;
    }
    #solutions .section-header p {
      color: #94A3B8;
    }
    .solution-tabs {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .solution-card {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      position: relative;
      overflow: hidden;
    }
    .solution-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--primary-gradient);
    }
    .solution-card h3 {
      font-size: 22px;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 14px;
    }
    .solution-card p {
      font-size: 15px;
      color: #94A3B8;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .solution-meta-box {
      background: rgba(255, 255, 255, 0.04);
      padding: 14px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 13px;
      color: var(--accent);
    }

    /* 8. 关键效能统计条 */
    #metrics {
      background: var(--primary-gradient);
      color: #FFFFFF;
      padding: 60px 0;
    }
    .metrics-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-value {
      font-size: 46px;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 8px;
      color: #FFFFFF;
    }
    .metric-value span {
      color: var(--accent);
    }
    .metric-label {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.85);
      font-weight: 500;
    }

    /* 9. 实战案例 */
    #stories {
      background: #FFFFFF;
    }
    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
    }
    .story-card {
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 36px;
      background: var(--bg-neutral);
      position: relative;
    }
    .story-company {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary-from);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
    }
    .story-card h3 {
      font-size: 21px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .story-card p {
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .story-metrics-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      background: #FFFFFF;
      padding: 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
    }
    .story-metric-num {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
    }

    /* 10. 适用角色矩阵 */
    #audiences {
      background: var(--bg-neutral);
    }
    .audience-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .audience-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      padding: 28px 22px;
      border: 1px solid var(--border-light);
      transition: all 0.25s ease;
    }
    .audience-card:hover {
      border-color: var(--primary-from);
      box-shadow: var(--shadow-hover);
    }
    .audience-role {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--bg-neutral);
    }
    .audience-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* 11. 技术资讯 */
    #insights {
      background: #FFFFFF;
    }
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .insight-card {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      overflow: hidden;
      background: #FFFFFF;
      display: flex;
      flex-direction: column;
    }
    .insight-img-wrap {
      height: 190px;
      overflow: hidden;
    }
    .insight-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .insight-card:hover .insight-img-wrap img {
      transform: scale(1.05);
    }
    .insight-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .insight-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .insight-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    /* 12. FAQ 手风琴 */
    #faq {
      background: var(--bg-neutral);
    }
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }
    .faq-item[open] {
      border-color: var(--primary-from);
      box-shadow: var(--shadow-base);
    }
    .faq-item summary {
      padding: 20px 24px;
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-icon {
      width: 22px;
      height: 22px;
      transition: transform 0.25s ease;
      flex-shrink: 0;
    }
    .faq-item[open] .faq-icon {
      transform: rotate(180deg);
    }
    .faq-content {
      padding: 0 24px 22px;
      font-size: 15px;
      color: var(--text-body);
      line-height: 1.75;
      border-left: 3px solid var(--primary-from);
      margin: 0 24px 20px;
    }

    /* 13. 底部 CTA 行动呼吁 */
    #cta-banner {
      background: var(--bg-neutral);
      padding-bottom: 90px;
    }
    .cta-card-wrapper {
      background: linear-gradient(135deg, #0F62FE 0%, #491C9A 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #FFFFFF;
      position: relative;
      overflow: hidden;
      box-shadow: 0 24px 48px -12px rgba(15, 98, 254, 0.35);
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 2;
    }
    .cta-text h2 {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 16px;
    }
    .cta-text p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.88);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-form {
      background: rgba(255, 255, 255, 0.96);
      padding: 30px;
      border-radius: var(--radius-md);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      outline: none;
      transition: border-color 0.2s ease;
    }
    .form-control:focus {
      border-color: var(--primary-from);
    }
    .btn-submit {
      width: 100%;
      background: var(--primary-gradient);
      color: #FFFFFF;
      border: none;
      padding: 13px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(15, 98, 254, 0.3);
      transition: transform 0.2s ease;
    }
    .btn-submit:hover {
      transform: translateY(-2px);
    }
    .form-tips {
      font-size: 12px;
      color: var(--text-muted);
      text-align: center;
      margin-top: 10px;
    }

    /* 全局页脚 */
    .site-footer {
      background: #0B0F19;
      color: #94A3B8;
      padding: 80px 0 30px;
      border-top: 1px solid #1E293B;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col h4 {
      color: #F8FAFC;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }
    .footer-desc {
      line-height: 1.8;
      margin-top: 14px;
      color: #94A3B8;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      padding-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-grid, .architecture-layout, .cta-grid {
        grid-template-columns: 1fr;
      }
      .features-grid, .product-grid, .pain-grid, .solution-tabs, .insights-grid {
        grid-template-columns: 1fr 1fr;
      }
      .workflow-timeline, .audience-grid, .metrics-row, .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .floating-badge.badge-top, .floating-badge.badge-bottom {
        position: static;
        margin: 10px 0;
      }
    }

    @media (max-width: 768px) {
      .top-utility-bar {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
      }
      .nav-links.active {
        display: flex;
      }
      .hero-content h1 {
        font-size: 32px;
      }
      .features-grid, .product-grid, .pain-grid, .solution-tabs, .insights-grid,
      .workflow-timeline, .audience-grid, .metrics-row, .story-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }