/* roulang page: index */
:root {
      --primary: #0f4c81;
      --primary-hover: #1a56db;
      --accent: #06b6d4;
      --gradient-main: linear-gradient(135deg, #1a56db 0%, #06b6d4 100%);
      --bg-light: #f8fafc;
      --bg-alt: #f1f5f9;
      --bg-dark: #0b132b;
      --text-main: #0f172a;
      --text-muted: #334155;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --card-radius: 20px;
      --shadow-sm: 0 4px 6px -1px rgba(15, 76, 129, 0.05);
      --shadow-md: 0 10px 25px -5px rgba(15, 76, 129, 0.08);
      --shadow-lg: 0 20px 35px -8px rgba(15, 76, 129, 0.12);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    input, select, textarea, button {
      font-family: inherit;
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 9999px;
      background: rgba(26, 86, 219, 0.08);
      color: var(--primary);
      border: 1px solid rgba(26, 86, 219, 0.2);
    }
    .badge-dark {
      background: rgba(6, 182, 212, 0.15);
      color: #38bdf8;
      border-color: rgba(56, 189, 248, 0.3);
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 28px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: 9999px;
      cursor: pointer;
      border: none;
      transition: var(--transition);
      min-height: 48px;
    }
    .btn-gradient {
      background: var(--gradient-main);
      color: #ffffff;
      box-shadow: 0 8px 20px rgba(26, 86, 219, 0.25);
    }
    .btn-gradient:hover {
      box-shadow: 0 12px 28px rgba(26, 86, 219, 0.4);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: #ffffff;
      color: var(--primary);
      border: 1px solid var(--border-color);
    }
    .btn-outline:hover {
      border-color: var(--primary-hover);
      color: var(--primary-hover);
      background: #f8fafc;
      transform: translateY(-2px);
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 50px auto;
    }
    .section-header h2 {
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-top: 14px;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .section-header p {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    /* Header */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: var(--transition);
    }
    .top-bar {
      background: #0b132b;
      color: #94a3b8;
      font-size: 0.82rem;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-links {
      display: flex;
      gap: 20px;
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--primary);
    }
    .logo-mark {
      width: 38px;
      height: 38px;
      background: var(--gradient-main);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.2rem;
      box-shadow: 0 4px 10px rgba(6, 182, 212, 0.35);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-menu a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
      padding: 6px 0;
    }
    .nav-menu a:hover, .nav-menu a.active {
      color: var(--primary-hover);
    }
    .nav-menu a.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-hover);
      border-radius: 2px;
    }
    .menu-toggle {
      display: none;
      background: transparent;
      border: none;
      font-size: 1.6rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* Hero Section - 直播预告与新品发布 */
    .hero-section {
      background: linear-gradient(180deg, #f8fafc 0%, #eef4f9 100%), url('/assets/images/b89a09d65ef6289d.webp') center/cover no-repeat;
      position: relative;
      padding: 70px 0 85px 0;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.85rem;
      font-weight: 800;
      line-height: 1.2;
      color: var(--text-main);
      margin: 18px 0;
    }
    .hero-lead {
      font-size: 1.1rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 34px;
    }
    .hero-live-card {
      background: #ffffff;
      border-radius: var(--card-radius);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      position: relative;
    }
    .live-status-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 18px;
    }
    .live-pulse {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      font-weight: 700;
      color: #ef4444;
      background: #fef2f2;
      padding: 5px 12px;
      border-radius: 9999px;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #ef4444;
      box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
      animation: pulse 1.6s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
    }
    .countdown-timer {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin: 20px 0;
      text-align: center;
    }
    .timer-unit {
      background: #f1f5f9;
      border-radius: 12px;
      padding: 12px 6px;
      border: 1px solid #e2e8f0;
    }
    .timer-num {
      display: block;
      font-size: 1.65rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
    }
    .timer-label {
      font-size: 0.75rem;
      color: var(--text-light);
      margin-top: 4px;
    }

    /* Common Section Styles */
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-alt);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #f8fafc;
    }
    .section-dark .section-header h2 {
      color: #ffffff;
    }
    .section-dark .section-header p {
      color: #94a3b8;
    }

    /* 品牌故事板块 */
    .story-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .story-media {
      position: relative;
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .story-media img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      transition: var(--transition);
    }
    .story-media:hover img {
      transform: scale(1.03);
    }
    .story-metrics-badge {
      position: absolute;
      bottom: 20px;
      left: 20px;
      background: rgba(15, 23, 42, 0.88);
      color: #ffffff;
      padding: 14px 20px;
      border-radius: 14px;
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }

    /* 系列导航与全景矩阵 */
    .series-nav-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .series-item {
      background: #ffffff;
      border-radius: var(--card-radius);
      padding: 26px 20px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .series-item:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-hover);
    }
    .series-tag {
      align-self: flex-start;
      margin-bottom: 14px;
    }

    /* 爆款网格 */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .product-card {
      background: #ffffff;
      border-radius: var(--card-radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .product-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(26, 86, 219, 0.3);
    }
    .product-img-wrap {
      height: 240px;
      overflow: hidden;
      position: relative;
      background: #e2e8f0;
    }
    .product-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .product-card:hover .product-img-wrap img {
      transform: scale(1.05);
    }
    .product-body {
      padding: 26px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .product-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .spec-table {
      margin: 16px 0;
      border-top: 1px dashed var(--border-color);
      border-bottom: 1px dashed var(--border-color);
      padding: 12px 0;
      font-size: 0.88rem;
    }
    .spec-row {
      display: flex;
      justify-content: space-between;
      margin-bottom: 6px;
    }
    .spec-label {
      color: var(--text-light);
    }
    .spec-value {
      font-weight: 600;
      color: var(--text-main);
    }

    /* 硬核功能分组 6卡 */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: #ffffff;
      padding: 30px;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .feature-icon-badge {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(6, 182, 212, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.3rem;
      margin-bottom: 20px;
      font-weight: 800;
    }

    /* 深色调度理念与实景协同 */
    .dispatch-box {
      border-radius: 24px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 40px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .dispatch-specs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }
    .dispatch-spec-item {
      background: rgba(255, 255, 255, 0.06);
      padding: 16px;
      border-radius: 14px;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    /* 多维商业场景全景 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scenario-card {
      background: #ffffff;
      border-radius: var(--card-radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .scenario-card img {
      width: 100%;
      height: 190px;
      object-fit: cover;
    }
    .scenario-body {
      padding: 20px;
    }

    /* 运行演示终端模拟 */
    .terminal-window {
      background: #090f1d;
      border-radius: var(--card-radius);
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
      border: 1px solid rgba(255, 255, 255, 0.12);
      overflow: hidden;
    }
    .terminal-bar {
      background: #111a2e;
      padding: 12px 20px;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .terminal-btn {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      display: inline-block;
    }
    .btn-red { background: #ef4444; }
    .btn-yellow { background: #f59e0b; }
    .btn-green { background: #10b981; }
    .terminal-title {
      font-size: 0.85rem;
      color: #94a3b8;
      margin-left: 12px;
      font-family: monospace;
    }
    .terminal-content {
      padding: 30px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 30px;
      color: #e2e8f0;
    }
    .terminal-map-mock {
      background: #131d33;
      border: 1px solid rgba(6, 182, 212, 0.2);
      border-radius: 14px;
      padding: 20px;
      min-height: 280px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .node-track {
      position: absolute;
      top: 50%;
      left: 15%;
      width: 70%;
      height: 2px;
      background: dashed #06b6d4;
    }
    .node-point {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: #38bdf8;
      box-shadow: 0 0 10px #38bdf8;
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
    }

    /* 落地流程与用户旅程 */
    .steps-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }
    .step-item {
      background: #ffffff;
      padding: 30px 24px;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .step-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: rgba(26, 86, 219, 0.15);
      line-height: 1;
      margin-bottom: 12px;
    }

    /* 运营数据统计条 */
    .metrics-bar {
      background: var(--gradient-main);
      color: #ffffff;
      padding: 50px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-value {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .metric-desc {
      font-size: 0.95rem;
      opacity: 0.9;
    }

    /* 会员权益与服务级别 */
    .benefits-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .benefit-card {
      background: #ffffff;
      padding: 36px 30px;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .benefit-card.highlight {
      border: 2px solid var(--primary-hover);
      box-shadow: var(--shadow-lg);
      position: relative;
    }
    .benefit-ribbon {
      position: absolute;
      top: -14px;
      right: 24px;
      background: var(--gradient-main);
      color: #ffffff;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 9999px;
    }
    .benefit-features {
      list-style: none;
      margin: 24px 0;
      flex: 1;
    }
    .benefit-features li {
      padding: 8px 0;
      border-bottom: 1px solid #f1f5f9;
      font-size: 0.92rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .benefit-features li::before {
      content: "✓";
      color: #10b981;
      font-weight: bold;
    }

    /* 保障条与合规背书 */
    .guarantee-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guarantee-box {
      background: #ffffff;
      padding: 24px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .guarantee-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(15, 76, 129, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-weight: 800;
      font-size: 1.1rem;
    }

    /* 口碑与评价墙 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .testimonial-card {
      background: #ffffff;
      padding: 30px;
      border-radius: var(--card-radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px solid var(--border-color);
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--gradient-main);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

    /* 资讯列表 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #ffffff;
      border-radius: var(--card-radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }
    .news-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-date {
      font-size: 0.82rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-main);
      user-select: none;
    }
    .faq-question::after {
      content: "+";
      font-size: 1.4rem;
      color: var(--primary);
      transition: var(--transition);
    }
    .faq-item.active .faq-question::after {
      content: "−";
      transform: rotate(180deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      background: #fafbfc;
      border-top: 1px solid transparent;
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      border-top-color: var(--border-color);
    }
    .faq-answer-inner {
      padding: 20px 24px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* 进店与咨询预约表单 (单收口CTA) */
    .cta-card-wrap {
      background: linear-gradient(135deg, #0b132b 0%, #0f4c81 100%);
      border-radius: 28px;
      padding: 60px 50px;
      color: #ffffff;
      box-shadow: var(--shadow-lg);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
      align-items: center;
    }
    .cta-form {
      background: #ffffff;
      padding: 34px;
      border-radius: 20px;
      color: var(--text-main);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-muted);
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--primary-hover);
      box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
    }

    /* Footer */
    footer {
      background: #080d1a;
      color: #94a3b8;
      padding: 70px 0 30px 0;
      font-size: 0.9rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      margin-bottom: 20px;
      font-weight: 700;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: #38bdf8;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 26px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .story-grid, .dispatch-box, .cta-card-wrap, .terminal-content {
        grid-template-columns: 1fr;
      }
      .products-grid, .feature-grid, .benefits-grid, .testimonial-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .series-nav-grid, .scenario-grid, .steps-timeline, .guarantee-bar, .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .top-bar { display: none; }
      .menu-toggle { display: block; }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border-color);
        gap: 16px;
      }
      .nav-menu.show { display: flex; }
      .hero-content h1 { font-size: 2.2rem; }
      .section-header h2 { font-size: 1.8rem; }
      .products-grid, .feature-grid, .benefits-grid, .testimonial-grid, .news-grid,
      .series-nav-grid, .scenario-grid, .steps-timeline, .guarantee-bar, .metrics-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-card-wrap {
        padding: 34px 20px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }