/* roulang page: index */
:root {
      --bg-base: #0B0C10;
      --bg-surface: #14161D;
      --bg-elevated: #1F2330;
      --color-primary: #00FFA3;
      --color-accent: #7928CA;
      --text-main: #F3F4F6;
      --text-muted: #9CA3AF;
      --text-dim: #6B7280;
      --neon-glow: 0 0 15px rgba(0, 255, 163, 0.45);
      --purple-glow: 0 0 20px rgba(121, 40, 202, 0.35);
      --border-subtle: rgba(255, 255, 255, 0.08);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    }

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

    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: var(--font-main);
      line-height: 1.7;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 32px;
    }

    @media (max-width: 768px) {
      .container {
        padding: 0 16px;
      }
    }

    .status-bar {
      background: #050608;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.82rem;
      color: var(--text-muted);
      padding: 6px 0;
    }

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

    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .status-badge-dot {
      width: 7px;
      height: 7px;
      background: var(--color-primary);
      border-radius: 50%;
      box-shadow: var(--neon-glow);
    }

    .site-nav {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(11, 12, 16, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(0, 255, 163, 0.2);
    }

    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 70px;
    }

    .logo {
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.02em;
      display: flex;
      align-items: center;
      gap: 8px;
      color: #fff;
    }

    .logo-mark {
      width: 24px;
      height: 24px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
      display: inline-block;
    }

    .nav-menu {
      display: flex;
      gap: 24px;
      list-style: none;
    }

    .nav-item a {
      font-size: 0.94rem;
      color: var(--text-muted);
      font-weight: 500;
      padding: 6px 0;
      position: relative;
    }

    .nav-item a:hover,
    .nav-item.active a {
      color: var(--color-primary);
      text-shadow: 0 0 10px rgba(0, 255, 163, 0.6);
    }

    .nav-item.active a::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--color-primary);
      box-shadow: var(--neon-glow);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      border: none;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      gap: 8px;
    }

    .btn:active {
      transform: scale(0.98);
    }

    .btn-primary {
      background: var(--color-primary);
      color: #07090D;
      box-shadow: 0 0 16px rgba(0, 255, 163, 0.4);
    }

    .btn-primary:hover {
      background: #2affb5;
      box-shadow: 0 0 24px rgba(0, 255, 163, 0.65);
    }

    .btn-outline {
      background: transparent;
      color: var(--text-main);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

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

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text-main);
      font-size: 1.5rem;
      cursor: pointer;
    }

    section {
      padding: 90px 0;
      position: relative;
    }

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

    .section-darker {
      background-color: #08090D;
    }

    .section-header {
      margin-bottom: 54px;
    }

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

    .section-eyebrow {
      color: var(--color-primary);
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 8px;
      display: inline-block;
    }

    .section-title {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .section-desc {
      color: var(--text-muted);
      font-size: 1.05rem;
      line-height: 1.7;
    }

    /* 1. 首屏 - 短视频竖屏感主视觉 + 跟买/了解 CTA */
    .hero-section {
      padding: 60px 0 100px;
      position: relative;
      background: radial-gradient(circle at 80% 20%, rgba(121, 40, 202, 0.25), transparent 50%),
                  radial-gradient(circle at 20% 60%, rgba(0, 255, 163, 0.15), transparent 50%),
                  url('/assets/images/85defcadd5738e3c.jpg') center/cover no-repeat;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: rgba(11, 12, 16, 0.86);
      backdrop-filter: blur(2px);
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: 1.25fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      background: rgba(0, 255, 163, 0.1);
      border: 1px solid rgba(0, 255, 163, 0.3);
      border-radius: 50px;
      color: var(--color-primary);
      font-size: 0.86rem;
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: var(--neon-glow);
    }

    .hero-h1 {
      font-size: clamp(2.4rem, 4.5vw, 3.8rem);
      line-height: 1.15;
      font-weight: 800;
      letter-spacing: -0.03em;
      margin-bottom: 24px;
      color: #ffffff;
    }

    .hero-h1 span {
      background: linear-gradient(90deg, var(--color-primary), #60a5fa);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.12rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 36px;
    }

    .hero-cta-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* 竖屏主视觉展示容器 */
    .vertical-video-stage {
      display: flex;
      justify-content: center;
      gap: 16px;
      position: relative;
    }

    .vertical-phone-card {
      width: 250px;
      height: 440px;
      border-radius: 22px;
      border: 2px solid rgba(0, 255, 163, 0.3);
      background: #000;
      position: relative;
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), var(--neon-glow);
      transform: rotate(-3deg);
      transition: all 0.3s ease;
    }

    .vertical-phone-card:nth-child(2) {
      transform: translateY(-20px) rotate(4deg);
      border-color: rgba(121, 40, 202, 0.5);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), var(--purple-glow);
    }

    .vertical-phone-card:hover {
      transform: translateY(-8px) scale(1.02);
      z-index: 5;
    }

    .phone-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: brightness(0.9);
    }

    .phone-overlay {
      position: absolute;
      bottom: 0;
      inset-inline: 0;
      padding: 16px;
      background: linear-gradient(to top, rgba(0, 0, 0, 0.95), transparent);
    }

    .phone-title {
      font-size: 0.92rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 4px;
    }

    .phone-metric {
      font-size: 0.78rem;
      color: var(--color-primary);
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 2. 痛点剖析 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .pain-card {
      background: var(--bg-surface);
      border: 1px solid rgba(239, 68, 68, 0.2);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      position: relative;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .pain-card:hover {
      transform: translateY(-4px);
      border-color: rgba(239, 68, 68, 0.5);
      box-shadow: 0 10px 25px rgba(239, 68, 68, 0.15);
    }

    .pain-badge {
      font-size: 0.75rem;
      color: #ef4444;
      background: rgba(239, 68, 68, 0.12);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 16px;
      font-weight: 600;
    }

    .pain-title {
      font-size: 1.22rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: #fca5a5;
    }

    .pain-desc {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 3. 核心解决方案 */
    .solution-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 48px;
      align-items: center;
    }

    .solution-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
    }

    .solution-badge-stat {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: rgba(11, 12, 16, 0.92);
      border: 1px solid var(--color-primary);
      padding: 12px 18px;
      border-radius: var(--radius-md);
      box-shadow: var(--neon-glow);
    }

    .feature-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .feature-item {
      display: flex;
      gap: 16px;
      background: var(--bg-surface);
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-subtle);
      transition: all 0.3s;
    }

    .feature-item:hover {
      border-color: var(--color-primary);
      transform: translateX(6px);
    }

    .feature-icon-box {
      width: 44px;
      height: 44px;
      background: rgba(0, 255, 163, 0.1);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      font-weight: 800;
      flex-shrink: 0;
    }

    .feature-text h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .feature-text p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 4. 优势矩阵 */
    .advantage-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .advantage-card {
      background: var(--bg-surface);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 30px;
      transition: all 0.3s ease;
      position: relative;
    }

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

    .card-tag {
      font-size: 0.78rem;
      color: var(--color-primary);
      letter-spacing: 0.05em;
      margin-bottom: 12px;
      font-weight: 600;
    }

    .advantage-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: #fff;
    }

    .advantage-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 5. 热门模式与产品 */
    .mode-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .mode-card {
      background: var(--bg-elevated);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      display: flex;
      flex-direction: column;
      transition: all 0.3s;
    }

    .mode-card:hover {
      border-color: var(--color-accent);
      transform: translateY(-6px);
      box-shadow: var(--purple-glow);
    }

    .mode-img-wrap {
      height: 200px;
      width: 100%;
      overflow: hidden;
      position: relative;
    }

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

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

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

    .mode-body h3 {
      font-size: 1.22rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .mode-body p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 20px;
      flex: 1;
    }

    .mode-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 16px;
    }

    /* 6. 爆款案例横向展示 */
    .case-banner-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .case-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .case-item:hover {
      border-color: var(--color-primary);
    }

    .case-preview {
      height: 240px;
      position: relative;
    }

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

    .case-pill {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(0, 0, 0, 0.75);
      border: 1px solid var(--color-primary);
      padding: 4px 12px;
      border-radius: 50px;
      font-size: 0.78rem;
      color: var(--color-primary);
    }

    .case-content {
      padding: 24px;
    }

    .case-content h3 {
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .case-content p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .case-meta {
      display: flex;
      gap: 20px;
      font-size: 0.85rem;
      color: var(--color-primary);
      font-weight: 600;
    }

    /* 7. 流程步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .step-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 30px 20px;
      position: relative;
    }

    .step-card:hover {
      border-color: var(--color-primary);
    }

    .step-num {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--color-primary);
      line-height: 1;
      margin-bottom: 14px;
      text-shadow: var(--neon-glow);
    }

    .step-card h4 {
      font-size: 1.15rem;
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 8. 生产力数据指标条 */
    .stats-bar-section {
      background: linear-gradient(135deg, #100f24, #080a14);
      border-top: 1px solid rgba(121, 40, 202, 0.3);
      border-bottom: 1px solid rgba(121, 40, 202, 0.3);
      padding: 60px 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }

    .stat-number {
      font-size: clamp(2.4rem, 4vw, 3.2rem);
      font-weight: 900;
      color: var(--color-primary);
      letter-spacing: -0.02em;
      margin-bottom: 6px;
      text-shadow: var(--neon-glow);
    }

    .stat-label {
      font-size: 0.95rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 9. 客户实证故事 */
    .stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }

    .story-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 36px;
      position: relative;
    }

    .story-card:hover {
      border-color: var(--color-primary);
    }

    .story-project {
      font-size: 0.85rem;
      color: var(--color-primary);
      font-weight: 700;
      margin-bottom: 12px;
    }

    .story-card h3 {
      font-size: 1.3rem;
      margin-bottom: 14px;
    }

    .story-card p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .story-quote-by {
      font-size: 0.88rem;
      color: var(--text-main);
      font-weight: 600;
      border-left: 3px solid var(--color-accent);
      padding-left: 12px;
    }

    /* 10. 创作者与发行人评价 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-text {
      font-size: 0.93rem;
      color: var(--text-main);
      margin-bottom: 20px;
      line-height: 1.65;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .review-avatar-char {
      width: 40px;
      height: 40px;
      background: var(--color-accent);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #fff;
    }

    .review-info-name {
      font-size: 0.92rem;
      font-weight: 700;
    }

    .review-info-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* 11. 适用人群映射 */
    .personas-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .persona-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      transition: all 0.3s;
    }

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

    .persona-card h4 {
      font-size: 1.1rem;
      margin-bottom: 10px;
      color: #fff;
    }

    .persona-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 12. 行业资讯 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .news-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .news-card:hover {
      border-color: var(--color-primary);
    }

    .news-card-img {
      height: 180px;
      object-fit: cover;
      width: 100%;
    }

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

    .news-card-date {
      font-size: 0.78rem;
      color: var(--color-primary);
      margin-bottom: 8px;
    }

    .news-card-body h3 {
      font-size: 1.15rem;
      margin-bottom: 12px;
      line-height: 1.4;
    }

    .news-card-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      flex: 1;
    }

    .news-card-link {
      color: var(--color-primary);
      font-size: 0.88rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 13. 高频解答 FAQ */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

    .faq-question {
      padding: 20px 24px;
      width: 100%;
      background: none;
      border: none;
      color: #fff;
      font-size: 1.05rem;
      font-weight: 600;
      text-align: left;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .faq-question:hover {
      color: var(--color-primary);
    }

    .faq-indicator {
      font-size: 1.2rem;
      transition: transform 0.3s;
    }

    .faq-item.active .faq-indicator {
      transform: rotate(45deg);
      color: var(--color-primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out, padding 0.35s ease-out;
      background: rgba(0, 0, 0, 0.2);
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 0 24px 20px 24px;
    }

    .faq-answer p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 14. 底部高转化冲刺收口 */
    .cta-finish-section {
      background: radial-gradient(circle at center, rgba(0, 255, 163, 0.12), transparent 70%),
                  var(--bg-elevated);
      border-top: 1px solid rgba(0, 255, 163, 0.3);
      padding: 90px 0;
      text-align: center;
    }

    .cta-finish-box {
      max-width: 760px;
      margin: 0 auto;
      border: 1px solid rgba(0, 255, 163, 0.4);
      padding: 48px;
      border-radius: var(--radius-lg);
      background: rgba(11, 12, 16, 0.85);
      box-shadow: var(--neon-glow);
    }

    .cta-finish-box h2 {
      font-size: clamp(2rem, 3.5vw, 2.6rem);
      margin-bottom: 16px;
    }

    .cta-finish-box p {
      font-size: 1.05rem;
      color: var(--text-muted);
      margin-bottom: 32px;
    }

    .cta-form {
      display: flex;
      gap: 12px;
      max-width: 520px;
      margin: 0 auto;
    }

    .cta-input {
      flex: 1;
      padding: 12px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.15);
      background: #000;
      color: #fff;
      font-size: 0.95rem;
      outline: none;
    }

    .cta-input:focus {
      border-color: var(--color-primary);
      box-shadow: 0 0 10px rgba(0, 255, 163, 0.3);
    }

    /* 页脚 */
    .site-footer {
      background: #050608;
      border-top: 1px solid var(--border-subtle);
      padding: 60px 0 30px;
      font-size: 0.9rem;
      color: var(--text-dim);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 1rem;
      margin-bottom: 18px;
      font-weight: 700;
    }

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

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .vertical-video-stage {
        margin-top: 20px;
      }
      .advantage-grid,
      .mode-grid,
      .reviews-grid,
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid,
      .personas-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
      }
      .solution-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .pain-grid,
      .advantage-grid,
      .mode-grid,
      .case-banner-grid,
      .steps-grid,
      .stories-grid,
      .reviews-grid,
      .personas-grid,
      .news-grid {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .cta-form {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .vertical-phone-card {
        width: 160px;
        height: 300px;
      }
    }