/* roulang page: index */
:root {
      --primary-deep: #0B1B2B;
      --primary-navy: #0F2F4A;
      --accent-green: #00E599;
      --accent-hover: #00CC7A;
      --dark-charcoal: #131B24;
      --light-tech-bg: #F4F7F6;
      --text-main: #0B1B2B;
      --text-body: #4A5568;
      --text-muted: #8C9DAE;
      --white: #FFFFFF;
      --border-color: #E2E8F0;
      --card-radius: 14px;
      --card-shadow: 0 4px 20px -2px rgba(11,27,43,0.06);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

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

    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-body);
      background-color: #FAFCFB;
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
    }

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部工具栏 */
    .top-utility-bar {
      background: var(--dark-charcoal);
      color: var(--text-muted);
      font-size: 0.85rem;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 8px 0;
    }
    .utility-wrapper {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .utility-left {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .live-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: var(--accent-green);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--accent-green);
    }
    .utility-right {
      display: flex;
      gap: 20px;
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(11, 27, 43, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--white);
      font-size: 1.35rem;
      font-weight: 700;
      letter-spacing: -0.5px;
    }
    .nav-logo-badge {
      background: linear-gradient(135deg, var(--accent-green), #00AA66);
      color: var(--dark-charcoal);
      font-size: 0.75rem;
      padding: 3px 8px;
      border-radius: 6px;
      font-weight: 800;
    }
    .nav-menu {
      display: flex;
      gap: 28px;
      align-items: center;
      list-style: none;
    }
    .nav-menu a {
      color: #CFD8DC;
      font-size: 0.95rem;
      font-weight: 500;
      position: relative;
    }
    .nav-menu a:hover, .nav-menu a.active {
      color: var(--accent-green);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .btn-header-cta {
      background: var(--accent-green);
      color: var(--primary-deep);
      padding: 10px 22px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.9rem;
      transition: var(--transition);
      display: inline-block;
    }
    .btn-header-cta:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 4px 15px rgba(0, 229, 153, 0.35);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--white);
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* 按钮通用 */
    .btn-primary {
      background: var(--accent-green);
      color: var(--primary-deep);
      padding: 14px 32px;
      border-radius: 8px;
      font-weight: 700;
      font-size: 1rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: var(--transition);
      border: 1px solid var(--accent-green);
      cursor: pointer;
    }
    .btn-primary:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 229, 153, 0.3);
    }
    .btn-secondary {
      background: transparent;
      color: var(--white);
      padding: 14px 30px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 1rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
      border: 1px solid rgba(255, 255, 255, 0.25);
    }
    .btn-secondary:hover {
      border-color: var(--accent-green);
      color: var(--accent-green);
      background: rgba(0, 229, 153, 0.05);
    }

    /* Hero 板块：安全合规主张 + 检查项勾选条 */
    .hero-section {
      position: relative;
      background: url('/assets/images/8ce9e49fbe42468a.png') center center/cover no-repeat;
      padding: 90px 0 100px;
      color: var(--white);
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(11, 27, 43, 0.94) 0%, rgba(15, 47, 74, 0.88) 100%);
      z-index: 1;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 880px;
      margin: 0 auto;
      text-align: center;
    }
    .hero-tag {
      display: inline-block;
      background: rgba(0, 229, 153, 0.12);
      color: var(--accent-green);
      border: 1px solid rgba(0, 229, 153, 0.3);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 22px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    .hero-title {
      font-size: 2.85rem;
      line-height: 1.25;
      font-weight: 800;
      color: var(--white);
      margin-bottom: 24px;
      letter-spacing: -0.5px;
    }
    .hero-desc {
      font-size: 1.125rem;
      line-height: 1.8;
      color: #CFD8DC;
      margin-bottom: 34px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-checklist-bar {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      padding: 16px 28px;
      border-radius: 50px;
      margin-bottom: 40px;
    }
    .hero-check-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      color: #E2E8F0;
    }
    .hero-check-item span {
      color: var(--accent-green);
      font-weight: bold;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 18px;
    }

    /* 通用Section布局 */
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-light {
      background: #FFFFFF;
    }
    .section-subtle {
      background: var(--light-tech-bg);
    }
    .section-dark {
      background: var(--primary-deep);
      color: var(--white);
    }
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 55px;
    }
    .section-badge {
      display: inline-block;
      color: var(--accent-green);
      background: rgba(0, 229, 153, 0.1);
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 0.82rem;
      font-weight: 700;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-dark .section-badge {
      background: rgba(0, 229, 153, 0.15);
      border: 1px solid rgba(0, 229, 153, 0.25);
    }
    .section-title {
      font-size: 2.15rem;
      color: var(--text-main);
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .section-dark .section-title {
      color: var(--white);
    }
    .section-desc {
      font-size: 1rem;
      line-height: 1.75;
      color: var(--text-body);
    }
    .section-dark .section-desc {
      color: #A0AEC0;
    }

    /* 1. 倒计时与限时赋能指标 */
    .countdown-bar-container {
      background: #0E2238;
      border: 1px solid rgba(0, 229, 153, 0.2);
      border-radius: 16px;
      padding: 30px 40px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    }
    .countdown-info h3 {
      color: var(--white);
      font-size: 1.35rem;
      margin-bottom: 6px;
    }
    .countdown-info p {
      color: #94A3B8;
      font-size: 0.9rem;
    }
    .countdown-timer-box {
      display: flex;
      gap: 16px;
    }
    .time-slot {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 10px 18px;
      border-radius: 10px;
      text-align: center;
      min-width: 75px;
    }
    .time-slot .number {
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--accent-green);
      display: block;
      line-height: 1.2;
    }
    .time-slot .label {
      font-size: 0.75rem;
      color: #94A3B8;
      text-transform: uppercase;
    }

    /* 2. 运营指标看板（指标看板） */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 40px;
    }
    .metric-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 32px 24px;
      border-radius: var(--card-radius);
      box-shadow: var(--card-shadow);
      text-align: center;
      transition: var(--transition);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent-green);
    }
    .metric-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--primary-deep);
      line-height: 1.1;
      margin-bottom: 8px;
      font-feature-settings: "tnum";
    }
    .metric-number span {
      color: var(--accent-green);
      font-size: 1.6rem;
    }
    .metric-label {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .metric-sub {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 3. 活动亮点 / 核心技术矩阵 */
    .grid-3-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 34px 28px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-5px);
      border-color: var(--accent-green);
      box-shadow: 0 10px 25px -4px rgba(0, 229, 153, 0.15);
    }
    .card-icon {
      width: 52px;
      height: 52px;
      background: rgba(0, 229, 153, 0.1);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-green);
      font-size: 1.4rem;
      margin-bottom: 22px;
      font-weight: 800;
    }
    .feature-card h3 {
      font-size: 1.25rem;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 12px;
    }
    .feature-card p {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 4. 权益 / 商业解决方案对比（服务矩阵） */
    .packages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }
    .pkg-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }
    .pkg-card.featured {
      border: 2px solid var(--accent-green);
      box-shadow: 0 12px 30px rgba(0, 229, 153, 0.15);
      background: linear-gradient(180deg, #FFFFFF 0%, #F5FBF8 100%);
    }
    .pkg-tag {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-green);
      color: var(--primary-deep);
      font-size: 0.78rem;
      font-weight: 800;
      padding: 4px 16px;
      border-radius: 20px;
      text-transform: uppercase;
    }
    .pkg-header h3 {
      font-size: 1.35rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .pkg-header p {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 22px;
    }
    .pkg-specs {
      list-style: none;
      margin: 20px 0 30px;
      flex-grow: 1;
    }
    .pkg-specs li {
      font-size: 0.92rem;
      color: var(--text-body);
      padding: 10px 0;
      border-bottom: 1px solid #EDF2F7;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .pkg-specs li span {
      color: var(--accent-green);
      font-weight: bold;
    }

    /* 5. 传统交付 vs 专属平台开发对比（结果对比） */
    .comparison-wrapper {
      background: #FFFFFF;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--card-shadow);
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .comparison-table th, .comparison-table td {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }
    .comparison-table th {
      background: #F8FAFC;
      color: var(--text-main);
      font-weight: 700;
    }
    .comparison-table tr:last-child td {
      border-bottom: none;
    }
    .dim-name {
      font-weight: 600;
      color: var(--text-main);
      width: 25%;
    }
    .val-bad {
      color: #94A3B8;
      width: 37.5%;
    }
    .val-good {
      color: #047857;
      background: #F0FDF4;
      font-weight: 600;
      width: 37.5%;
    }

    /* 6. 研发玩法步骤 / 全周期里程碑 */
    .milestone-stepper {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 28px 22px;
      position: relative;
    }
    .step-index {
      font-size: 2rem;
      font-weight: 800;
      color: #E2E8F0;
      line-height: 1;
      margin-bottom: 12px;
    }
    .step-item h3 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .step-item p {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* 7. 标杆案例沉浸区（深色案例区） */
    .case-container {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .case-visual-box {
      border-radius: var(--card-radius);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.15);
      position: relative;
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
    }
    .case-data-badges {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }
    .badge-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 16px;
      border-radius: 10px;
    }
    .badge-item .num {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--accent-green);
    }
    .badge-item .txt {
      font-size: 0.85rem;
      color: #94A3B8;
    }

    /* 8. 奖励与成果预览 / 用户故事区 */
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .story-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      padding: 36px 32px;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .story-quote {
      font-size: 1rem;
      line-height: 1.8;
      color: var(--text-main);
      margin-bottom: 24px;
      font-style: italic;
    }
    .story-author {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid #F1F5F9;
      padding-top: 18px;
    }
    .avatar-circle {
      width: 48px;
      height: 48px;
      background: #E2E8F0;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary-deep);
    }
    .author-info h4 {
      font-size: 0.95rem;
      color: var(--text-main);
    }
    .author-info p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 9. 资讯与行业前沿（内嵌资讯区） */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent-green);
    }
    .news-card-img {
      height: 200px;
      width: 100%;
      object-fit: cover;
    }
    .news-card-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-card-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-card-title {
      font-size: 1.125rem;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-card-excerpt {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 16px;
    }

    /* 10. 平台保障（平台保障） */
    .security-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .sec-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 28px 20px;
      border-radius: 12px;
      text-align: center;
    }
    .sec-icon {
      font-size: 1.8rem;
      color: var(--accent-green);
      margin-bottom: 12px;
    }
    .sec-item h3 {
      font-size: 1.05rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .sec-item p {
      font-size: 0.85rem;
      color: var(--text-body);
line-height: 1.6;
    }

    /* 11. FAQ 手风琴 */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-question {
      width: 100%;
      text-align: left;
      padding: 22px 28px;
      background: none;
      border: none;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-question:hover {
      color: var(--accent-hover);
    }
    .faq-arrow {
      font-size: 1.25rem;
      color: var(--text-muted);
      transition: var(--transition);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 28px;
      color: var(--text-body);
      font-size: 0.92rem;
      line-height: 1.75;
      background: #F8FAFC;
      transition: all 0.35s ease;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 20px 28px;
      border-top: 1px solid var(--border-color);
    }
    .faq-item.active .faq-arrow {
      transform: rotate(45deg);
      color: var(--accent-green);
    }

    /* 12. 方案演示与转化报名入口 */
    .conversion-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 48px;
      box-shadow: 0 16px 40px -8px rgba(11,27,43,0.08);
    }
    .conv-info h3 {
      font-size: 1.85rem;
      color: var(--text-main);
      margin-bottom: 16px;
      line-height: 1.35;
    }
    .conv-info p {
      color: var(--text-body);
      font-size: 0.95rem;
      margin-bottom: 24px;
      line-height: 1.75;
    }
    .conv-features {
      list-style: none;
      margin-bottom: 24px;
    }
    .conv-features li {
      padding: 8px 0;
      color: var(--text-main);
      font-size: 0.92rem;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .conv-features li span {
      color: var(--accent-green);
      font-weight: 700;
    }
    .conv-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .form-input, .form-select, .form-textarea {
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.92rem;
      background: #F8FAFC;
      color: var(--text-main);
      transition: var(--transition);
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--accent-green);
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(0, 229, 153, 0.15);
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark-charcoal);
      color: #94A3B8;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h4 {
      color: var(--white);
      font-size: 1.25rem;
      margin-bottom: 16px;
    }
    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.7;
      max-width: 320px;
    }
    .footer-links h5 {
      color: var(--white);
      font-size: 0.95rem;
      margin-bottom: 18px;
    }
    .footer-links ul {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 0.88rem;
      color: #94A3B8;
    }
    .footer-links a:hover {
      color: var(--accent-green);
    }
    .footer-contact p {
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 8px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.82rem;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .metrics-grid, .grid-3-cards, .packages-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .milestone-stepper, .security-bar-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-container, .conversion-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.1rem;
      }
      .section-title {
        font-size: 1.65rem;
      }
      .nav-menu {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background: var(--primary-deep);
        flex-direction: column;
        padding: 30px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        display: none;
      }
      .nav-menu.open {
        display: flex;
      }
      .mobile-toggle {
        display: block;
      }
      .metrics-grid, .grid-3-cards, .packages-grid, .milestone-stepper, .stories-grid, .news-grid, .security-bar-grid {
        grid-template-columns: 1fr;
      }
      .countdown-bar-container {
        flex-direction: column;
        text-align: center;
      }
      .countdown-timer-box {
        justify-content: center;
      }
      .comparison-table {
        display: block;
        overflow-x: auto;
      }
      .conversion-grid {
        padding: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }