/* roulang page: index */
:root {
      --primary: #0F382C;
      --primary-dark: #091D17;
      --accent: #2E8B57;
      --highlight: #C99A45;
      --highlight-hover: #b58836;
      --bg-light: #F7F9F8;
      --bg-white: #FFFFFF;
      --text-main: #0C1E19;
      --text-body: #3A4B45;
      --text-muted: #6C7D77;
      --border-color: #DDE5E2;
      --border-light: rgba(15, 56, 44, 0.08);
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 8px;
      --shadow-sm: 0 4px 16px rgba(15, 56, 44, 0.04);
      --shadow-md: 0 8px 24px rgba(15, 56, 44, 0.08);
      --shadow-lg: 0 16px 36px rgba(15, 56, 44, 0.12);
      --transition: all 0.25s ease;
      --container-max: 1240px;
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-body);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    /* 顶部双行导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }

    .header-topbar {
      background-color: #EBF1EE;
      font-size: 12px;
      color: var(--text-muted);
      padding: 6px 0;
      border-bottom: 1px solid var(--border-light);
    }

    .topbar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .topbar-info span {
      margin-right: 20px;
    }

    .topbar-notice {
      color: var(--primary);
      font-weight: 500;
    }

    .header-main {
      padding: 14px 0;
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .logo-badge {
      width: 38px;
      height: 38px;
      background: var(--primary);
      color: var(--highlight);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
      border-radius: var(--radius-md);
      box-shadow: 0 2px 8px rgba(15, 56, 44, 0.2);
    }

    .brand-name {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.3px;
    }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-body);
      position: relative;
      padding: 6px 0;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--primary);
      font-weight: 600;
    }

    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--highlight);
      border-radius: 1px;
    }

    .header-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-md);
      transition: var(--transition);
      cursor: pointer;
      border: 1px solid transparent;
      min-height: 42px;
    }

    .btn-gold {
      background: var(--highlight);
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(201, 154, 69, 0.25);
    }

    .btn-gold:hover {
      background: var(--highlight-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(201, 154, 69, 0.35);
    }

    .btn-primary {
      background: var(--primary);
      color: #FFFFFF;
    }

    .btn-primary:hover {
      background: #174d3d;
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(15, 56, 44, 0.2);
    }

    .btn-outline {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-outline:hover {
      background: var(--primary);
      color: #FFFFFF;
    }

    .btn-outline-white {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.4);
      color: #FFFFFF;
    }

    .btn-outline-white:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #FFFFFF;
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--primary);
      cursor: pointer;
    }

    /* 布局通用组件 */
    .section-wrap {
      padding: 72px 0;
      position: relative;
    }

    .section-white {
      background-color: var(--bg-white);
    }

    .section-light {
      background-color: var(--bg-light);
    }

    .section-dark {
      background-color: var(--primary-dark);
      color: #D3DFDB;
    }

    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 52px auto;
    }

    .badge-sub {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--accent);
      background: rgba(46, 139, 87, 0.1);
      padding: 4px 12px;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }

    .section-dark .badge-sub {
      color: var(--highlight);
      background: rgba(201, 154, 69, 0.15);
    }

    .section-title {
      font-size: 30px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 16px;
    }

    .section-dark .section-title {
      color: #FFFFFF;
    }

    .section-intro {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .section-dark .section-intro {
      color: #9BB3AB;
    }

    /* 板块 1: Hero Banner (#overview) */
    .hero-section {
      position: relative;
      background-color: var(--primary);
      background-image: linear-gradient(135deg, rgba(9, 29, 23, 0.92) 0%, rgba(15, 56, 44, 0.85) 100%), url('/assets/images/e34c15c5c767a596.jpg');
      background-size: cover;
      background-position: center;
      color: #FFFFFF;
      padding: 96px 0 84px 0;
      overflow: hidden;
    }

    .hero-content {
      display: grid;
      grid-template-columns: 1.25fr 0.75fr;
      gap: 48px;
      align-items: center;
    }

    .hero-text-side {
      position: relative;
      z-index: 2;
    }

    .hero-region-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(201, 154, 69, 0.2);
      border: 1px solid rgba(201, 154, 69, 0.4);
      color: #F5DEB3;
      font-size: 13px;
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      margin-bottom: 24px;
    }

    .hero-h1 {
      font-size: 40px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #FFFFFF;
      letter-spacing: -0.5px;
    }

    .hero-p {
      font-size: 16px;
      line-height: 1.8;
      color: #D3DFDB;
      margin-bottom: 32px;
    }

    .hero-btns {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .hero-features-list {
      display: flex;
      flex-wrap: wrap;
      gap: 24px;
      font-size: 13px;
      color: #B2CCC3;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 24px;
    }

    .hero-features-list span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .hero-panel-side {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(12px);
      padding: 28px;
      border-radius: var(--radius-lg);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
    }

    .hero-panel-side h3 {
      font-size: 18px;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 10px;
    }

    .metric-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 14px;
      font-size: 14px;
      color: #9BB3AB;
    }

    .metric-row strong {
      color: var(--highlight);
      font-size: 16px;
    }

    /* 板块 2: 痛点解析与社区定位 (Painpoints & Intro) */
    .painpoints-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .pain-intro-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      padding: 36px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
    }

    .pain-intro-card h3 {
      font-size: 22px;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .pain-intro-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 20px;
    }

    .pain-items-wrap {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .pain-item {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-left: 4px solid #D9534F;
      padding: 20px 24px;
      border-radius: var(--radius-md);
      transition: var(--transition);
    }

    .pain-item:hover {
      box-shadow: var(--shadow-sm);
      transform: translateX(4px);
    }

    .pain-item.resolved {
      border-left-color: var(--accent);
    }

    .pain-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .pain-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 3: 核心优势与策略沉淀矩阵 (Advantage Grid - #advantage) */
    .advantage-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .adv-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      padding: 30px 24px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .adv-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(46, 139, 87, 0.3);
    }

    .adv-icon-box {
      width: 48px;
      height: 48px;
      background: rgba(15, 56, 44, 0.06);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--primary);
      margin-bottom: 20px;
    }

    .adv-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .adv-card p {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 板块 4: 热门策略模块展示 (Featured Solutions - #products) */
    .solution-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .solution-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .solution-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .solution-img-holder {
      aspect-ratio: 16 / 9;
      background-color: #E2ECE8;
      overflow: hidden;
      position: relative;
    }

    .solution-img-holder img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .solution-card:hover .solution-img-holder img {
      transform: scale(1.04);
    }

    .solution-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .sol-tag {
      font-size: 11px;
      font-weight: 700;
      color: var(--accent);
      background: rgba(46, 139, 87, 0.1);
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      align-self: flex-start;
      margin-bottom: 12px;
    }

    .solution-body h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .solution-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex: 1;
    }

    .solution-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid var(--border-light);
      padding-top: 16px;
      font-size: 12px;
      color: var(--text-muted);
    }

    .solution-meta strong {
      color: var(--primary);
    }

    /* 板块 5: 方法步骤与推演理念 (Methodology - #cases) */
    .steps-flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .step-item {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-lg);
      padding: 28px 20px;
      position: relative;
    }

    .step-num {
      font-size: 28px;
      font-weight: 800;
      color: var(--highlight);
      opacity: 0.8;
      margin-bottom: 12px;
      line-height: 1;
    }

    .step-item h3 {
      font-size: 16px;
      color: #FFFFFF;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .step-item p {
      font-size: 13px;
      color: #A3BCB3;
      line-height: 1.6;
    }

    /* 板块 6: 关键数据表现 (Data Metrics Strip) */
    .metrics-bar {
      background: linear-gradient(135deg, #0F382C 0%, #174E3E 100%);
      padding: 44px 0;
      color: #FFFFFF;
      border-top: 1px solid rgba(201, 154, 69, 0.3);
      border-bottom: 1px solid rgba(201, 154, 69, 0.3);
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }

    .metric-block h4 {
      font-size: 38px;
      font-weight: 800;
      color: var(--highlight);
      margin-bottom: 6px;
      letter-spacing: -0.5px;
    }

    .metric-block p {
      font-size: 14px;
      color: #D3DFDB;
      font-weight: 500;
    }

    /* 板块 7: 典型应用场景与适用人群矩阵 (Target Audience) */
    .audience-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .audience-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .audience-card:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
    }

    .audience-role {
      font-size: 12px;
      color: var(--highlight);
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .audience-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .audience-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块 8: 用户故事与实战复盘 (User Stories & Case Studies) */
    .cases-split-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .case-panel {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      aspect-ratio: 16 / 9;
      background-color: #E2ECE8;
      overflow: hidden;
    }

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

    .case-content {
      padding: 28px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .case-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 10px;
    }

    .case-content h3 {
      font-size: 18px;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .case-content p {
      font-size: 13.5px;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
      flex: 1;
    }

    .case-stats-summary {
      background: var(--bg-light);
      padding: 12px 16px;
      border-radius: var(--radius-md);
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
    }

    .case-stats-summary span strong {
      color: var(--accent);
    }

    /* 板块 9: 社区信誉与同行评价 (Testimonials - #reviews) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .review-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 20px;
      font-style: normal;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 16px;
    }

    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary);
      color: #FFFFFF;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .reviewer-info h4 {
      font-size: 14px;
      color: var(--text-main);
      margin-bottom: 2px;
    }

    .reviewer-info span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 板块 10: 策略动态与行业资讯 (News & Insights - #insights) */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .insight-card {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .insight-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .insight-date {
      font-size: 12px;
      color: var(--highlight);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .insight-card h3 {
      font-size: 16px;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.45;
    }

    .insight-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex: 1;
    }

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

    /* 板块 11: 策略协作常见疑问手风琴 (FAQ Accordion - #faq) */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item[open] {
      background: #F1F6F3;
      border-color: rgba(46, 139, 87, 0.3);
    }

    .faq-summary {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-summary::-webkit-details-marker {
      display: none;
    }

    .faq-summary::after {
      content: '+';
      font-size: 20px;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.25s ease;
    }

    .faq-item[open] .faq-summary::after {
      content: '−';
      transform: rotate(180deg);
    }

    .faq-content {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 板块 12: 底部强转化行动号召 (CTA Box) */
    .cta-card-box {
      background: linear-gradient(135deg, #091D17 0%, #0F382C 100%);
      border: 1px solid rgba(201, 154, 69, 0.4);
      border-radius: var(--radius-lg);
      padding: 56px 40px;
      text-align: center;
      color: #FFFFFF;
      position: relative;
      box-shadow: var(--shadow-lg);
    }

    .cta-card-box h2 {
      font-size: 32px;
      font-weight: 700;
      margin-bottom: 16px;
      color: #FFFFFF;
    }

    .cta-card-box p {
      font-size: 15px;
      color: #C6DBD3;
      max-width: 680px;
      margin: 0 auto 32px auto;
      line-height: 1.75;
    }

    .cta-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* 板块 13: 合规底线与免责声明保障条 (Compliance & Safeguard) */
    .safeguard-panel {
      background: #EDF3F0;
      border: 1px dashed #BFD3CA;
      border-radius: var(--radius-md);
      padding: 24px 30px;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .safeguard-panel h4 {
      font-size: 14px;
      color: var(--primary);
      margin-bottom: 8px;
      font-weight: 700;
    }

    /* 全站页脚 */
    .site-footer {
      background: #061510;
      color: #8C9F98;
      font-size: 13px;
      padding-top: 60px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .footer-brand h3 {
      font-size: 18px;
      color: #FFFFFF;
      margin-bottom: 16px;
    }

    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 16px;
      color: #9EB2AB;
    }

    .footer-col h4 {
      font-size: 15px;
      color: #FFFFFF;
      margin-bottom: 18px;
      font-weight: 600;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

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

    .footer-bottom {
      padding: 24px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 12px;
    }

    .footer-copy {
      color: #6C7D77;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-content {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .advantage-cards-grid,
      .solution-grid,
      .steps-flow,
      .metrics-grid,
      .audience-grid,
      .reviews-grid,
      .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .header-topbar {
        display: none;
      }
      .site-nav {
        display: none;
      }
      .site-nav.mobile-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #FFFFFF;
        padding: 20px 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        gap: 16px;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .hero-h1 {
        font-size: 28px;
      }
      .section-title {
        font-size: 24px;
      }
      .painpoints-grid,
      .advantage-cards-grid,
      .solution-grid,
      .steps-flow,
      .metrics-grid,
      .audience-grid,
      .cases-split-grid,
      .reviews-grid,
      .insights-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-card-box {
        padding: 36px 20px;
      }
      .cta-card-box h2 {
        font-size: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }