/* roulang page: index */
:root {
      --bg-dark: #0A0E1A;
      --bg-surface: #0F172A;
      --card-bg: rgba(20, 27, 45, 0.75);
      --card-border: rgba(56, 189, 248, 0.16);
      --card-border-hover: rgba(56, 189, 248, 0.45);
      --primary: #2563EB;
      --primary-light: #38BDF8;
      --accent-cyan: #06B6D4;
      --accent-purple: #8B5CF6;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --text-darker: #64748B;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 14px 34px -10px rgba(0, 0, 0, 0.65);
      --shadow-glow: 0 0 28px rgba(56, 189, 248, 0.35);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

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

    html {
      scroll-behavior: smooth;
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }

    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      line-height: 1.6;
      font-size: 15px;
      overflow-x: hidden;
      width: 100%;
    }

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

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

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

    /* 顶部导航 */
    .top-bar {
      background: #060911;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 12px;
      color: var(--text-muted);
      padding: 6px 0;
    }

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

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

    .status-dot {
      width: 8px;
      height: 8px;
      background: #10B981;
      border-radius: 50%;
      box-shadow: 0 0 8px #10B981;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(10, 14, 26, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--card-border);
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 72px;
    }

    .brand-logo {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 10px;
      background: linear-gradient(135deg, #FFF 20%, var(--primary-light) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .logo-badge {
      font-size: 11px;
      padding: 2px 7px;
      background: rgba(56, 189, 248, 0.12);
      border: 1px solid rgba(56, 189, 248, 0.3);
      border-radius: 4px;
      color: var(--primary-light);
      -webkit-text-fill-color: var(--primary-light);
      text-transform: uppercase;
      font-weight: 600;
    }

    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
    }

    .nav-links a {
      color: var(--text-muted);
      font-size: 14px;
      font-weight: 500;
    }

    .nav-links a:hover, .nav-links a.active {
      color: var(--primary-light);
    }

    .nav-btn {
      padding: 9px 20px;
      background: linear-gradient(135deg, var(--primary) 0%, #0284C7 100%);
      color: #FFF;
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 600;
      border: 1px solid rgba(255, 255, 255, 0.2);
      box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
      cursor: pointer;
      display: inline-block;
    }

    .nav-btn:hover {
      box-shadow: var(--shadow-glow);
      transform: translateY(-2px);
    }

    /* 板块通用 */
    section {
      padding: 90px 0;
      position: relative;
    }

    .section-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

    .section-header {
      max-width: 760px;
      margin: 0 auto 50px auto;
      text-align: center;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--accent-cyan);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-bottom: 12px;
      padding: 4px 12px;
      background: rgba(6, 182, 212, 0.08);
      border: 1px solid rgba(6, 182, 212, 0.25);
      border-radius: 20px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 14px;
      color: var(--text-main);
    }

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

    /* Hero 板块 - 卡片堆叠架构 */
    .hero-section {
      padding: 80px 0 110px 0;
      background: radial-gradient(circle at 50% 20%, rgba(37, 99, 235, 0.18) 0%, rgba(10, 14, 26, 0.95) 70%), url('/assets/images/da87d5bfea429229.png') center/cover no-repeat;
      border-bottom: 1px solid var(--card-border);
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 860px;
      margin: 0 auto 55px auto;
    }

    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      background: linear-gradient(180deg, #FFFFFF 30%, #BAE6FD 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 16px;
      line-height: 1.8;
      color: var(--text-muted);
      margin-bottom: 30px;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 18px;
    }

    .btn-glow-primary {
      padding: 13px 32px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
      color: #FFF;
      font-weight: 600;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.3);
      box-shadow: 0 0 25px rgba(56, 189, 248, 0.45);
      cursor: pointer;
    }

    .btn-glow-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 35px rgba(56, 189, 248, 0.65);
    }

    .btn-outline {
      padding: 13px 28px;
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid var(--card-border-hover);
      color: var(--text-main);
      border-radius: var(--radius-sm);
      font-weight: 600;
      backdrop-filter: blur(8px);
    }

    .btn-outline:hover {
      background: rgba(30, 41, 59, 0.95);
      border-color: var(--primary-light);
    }

    /* Hero 卡片堆叠 */
    .stack-stage {
      position: relative;
      max-width: 960px;
      margin: 0 auto;
      height: 400px;
    }

    .stack-card {
      position: absolute;
      border-radius: var(--radius-md);
      backdrop-filter: blur(20px);
      border: 1px solid var(--card-border);
      background: var(--card-bg);
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      padding: 24px;
    }

    .stack-main {
      width: 580px;
      left: 50%;
      transform: translateX(-50%);
      top: 0;
      z-index: 10;
      border-color: rgba(56, 189, 248, 0.4);
      background: rgba(15, 23, 42, 0.92);
    }

    .stack-side-left {
      width: 420px;
      left: 10px;
      top: 60px;
      z-index: 5;
      opacity: 0.85;
      transform: rotate(-3deg);
    }

    .stack-side-right {
      width: 420px;
      right: 10px;
      top: 60px;
      z-index: 5;
      opacity: 0.85;
      transform: rotate(3deg);
    }

    .stack-stage:hover .stack-side-left {
      transform: translate(-15px, 10px) rotate(-5deg);
      opacity: 1;
    }

    .stack-stage:hover .stack-side-right {
      transform: translate(15px, 10px) rotate(5deg);
      opacity: 1;
    }

    .card-topbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding-bottom: 12px;
    }

    .dot-group {
      display: flex;
      gap: 6px;
    }

    .ui-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #334155;
    }
    .ui-dot.red { background: #EF4444; }
    .ui-dot.yellow { background: #F59E0B; }
    .ui-dot.green { background: #10B981; }

    .data-metric-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 15px;
    }

    .metric-box {
      background: rgba(0, 0, 0, 0.3);
      padding: 12px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.05);
    }

    .metric-val {
      font-size: 20px;
      font-weight: 700;
      color: var(--accent-cyan);
    }

    .metric-lbl {
      font-size: 11px;
      color: var(--text-muted);
    }

    /* 客户案例 - 非对称瀑布流 */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .case-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      backdrop-filter: blur(16px);
      transition: var(--transition);
    }

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

    .case-img-wrap {
      height: 220px;
      overflow: hidden;
      position: relative;
    }

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

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

    .case-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid var(--accent-cyan);
      color: #FFF;
      font-size: 11px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }

    .case-body {
      padding: 24px;
    }

    .case-title {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .case-text {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.6;
      margin-bottom: 18px;
    }

    .case-stats {
      display: flex;
      gap: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 14px;
    }

    .case-stat-num {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-light);
    }

    .case-stat-desc {
      font-size: 11px;
      color: var(--text-darker);
    }

    /* 运行指标 Counter Bar */
    .counter-bar {
      background: linear-gradient(180deg, #090E1A 0%, #111827 100%);
      border-top: 1px solid var(--card-border);
      border-bottom: 1px solid var(--card-border);
      padding: 50px 0;
    }

    .counter-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }

    .counter-card {
      padding: 16px;
    }

    .counter-value {
      font-size: 40px;
      font-weight: 800;
      color: var(--primary-light);
      line-height: 1.1;
      margin-bottom: 6px;
      font-family: monospace;
    }

    .counter-label {
      font-size: 14px;
      color: var(--text-main);
      font-weight: 600;
      margin-bottom: 4px;
    }

    .counter-sub {
      font-size: 12px;
      color: var(--text-darker);
    }

    /* 前后对比板块 */
    .compare-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }

    .compare-box {
      border-radius: var(--radius-md);
      padding: 32px;
      background: var(--card-bg);
      border: 1px solid var(--card-border);
    }

    .compare-box.old {
      border-color: rgba(239, 68, 68, 0.25);
      background: rgba(30, 20, 25, 0.3);
    }

    .compare-box.new {
      border-color: rgba(56, 189, 248, 0.45);
      background: rgba(15, 30, 48, 0.5);
      box-shadow: 0 0 30px rgba(56, 189, 248, 0.15);
    }

    .compare-tag {
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 16px;
      display: inline-block;
      padding: 4px 10px;
      border-radius: 4px;
    }

    .compare-tag.old {
      background: rgba(239, 68, 68, 0.15);
      color: #F87171;
    }

    .compare-tag.new {
      background: rgba(56, 189, 248, 0.15);
      color: var(--primary-light);
    }

    .compare-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .compare-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
      line-height: 1.6;
      color: var(--text-muted);
    }

    .compare-icon {
      font-weight: 800;
      font-size: 16px;
      margin-top: 1px;
    }

    .compare-box.old .compare-icon { color: #EF4444; }
    .compare-box.new .compare-icon { color: #10B981; }

    /* 架构全景与实施步骤 */
    .step-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      transition: var(--transition);
    }

    .step-card:hover {
      border-color: var(--accent-cyan);
      transform: translateY(-4px);
    }

    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(56, 189, 248, 0.1);
      border: 1px solid var(--accent-cyan);
      color: var(--accent-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
      margin-bottom: 16px;
    }

    .step-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

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

    /* 核心优势 6卡片网格 */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 28px;
      backdrop-filter: blur(16px);
      transition: var(--transition);
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: var(--card-border-hover);
      box-shadow: 0 10px 25px -5px rgba(56, 189, 248, 0.25);
    }

    .feature-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: rgba(37, 99, 235, 0.15);
      border: 1px solid rgba(56, 189, 248, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      color: var(--primary-light);
      font-weight: 700;
      font-size: 18px;
    }

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

    .feature-desc {
      color: var(--text-muted);
      font-size: 13.5px;
      line-height: 1.6;
    }

    /* 方案矩阵 3 卡片组合 */
    .tier-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
    }

    .tier-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }

    .tier-card.featured {
      border-color: var(--primary-light);
      background: rgba(20, 32, 58, 0.85);
      box-shadow: 0 0 35px rgba(56, 189, 248, 0.25);
      transform: scale(1.02);
    }

    .tier-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
      color: #FFF;
      font-size: 11px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: 12px;
      text-transform: uppercase;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    }

    .tier-name {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .tier-desc {
      font-size: 13.5px;
      color: var(--text-muted);
      margin-bottom: 22px;
      min-height: 65px;
      line-height: 1.6;
    }

    .tier-features {
      list-style: none;
      margin-bottom: 28px;
      flex-grow: 1;
    }

    .tier-features li {
      font-size: 13px;
      color: var(--text-muted);
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .tier-features li::before {
      content: "✓";
      color: var(--primary-light);
      font-weight: 700;
    }

    /* 资讯列表 */
    .article-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .article-img {
      height: 170px;
      position: relative;
    }

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

    .article-body {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .article-date {
      font-size: 12px;
      color: var(--accent-cyan);
      margin-bottom: 8px;
    }

    .article-title {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .article-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .article-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary-light);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 异议拆解 FAQ */
    .faq-wrapper {
      max-width: 820px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

    .faq-item.active {
      border-color: var(--primary-light);
      background: rgba(20, 32, 54, 0.85);
    }

    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      user-select: none;
    }

    .faq-indicator {
      font-size: 18px;
      color: var(--primary-light);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-indicator {
      transform: rotate(180deg);
    }

    .faq-answer {
      padding: 0 24px 22px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 口碑评价区 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testi-card {
      background: var(--card-bg);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .testi-quote {
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-muted);
      margin-bottom: 20px;
      font-style: italic;
    }

    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #1E293B;
      border: 1px solid var(--card-border-hover);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary-light);
    }

    .author-info h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }

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

    /* 合作伙伴 */
    .partner-matrix {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
    }

    .partner-item {
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.05);
      border-radius: var(--radius-sm);
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-darker);
      transition: var(--transition);
    }

    .partner-item:hover {
      border-color: var(--primary-light);
      color: var(--primary-light);
      background: rgba(30, 41, 59, 0.8);
    }

    /* 咨询转化入口 (唯一的收口行动区) */
    .cta-box-container {
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%), var(--bg-surface);
      border: 1px solid var(--card-border-hover);
      border-radius: var(--radius-lg);
      padding: 55px 40px;
      text-align: center;
      box-shadow: 0 0 45px rgba(56, 189, 248, 0.2);
    }

    .cta-form {
      max-width: 580px;
      margin: 30px auto 0 auto;
      display: flex;
      gap: 12px;
    }

    .cta-input {
      flex: 1;
      padding: 14px 18px;
      background: rgba(10, 14, 26, 0.85);
      border: 1px solid var(--card-border);
      border-radius: var(--radius-sm);
      color: #FFF;
      font-size: 14px;
      outline: none;
      transition: var(--transition);
    }

    .cta-input:focus {
      border-color: var(--primary-light);
      box-shadow: 0 0 16px rgba(56, 189, 248, 0.35);
    }

    /* 页脚 */
    .site-footer {
      background: #050811;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 60px 0 30px 0;
      color: var(--text-muted);
      font-size: 13px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: var(--text-main);
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }

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

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--text-darker);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .stack-stage {
        height: auto;
        display: flex;
        flex-direction: column;
        gap: 20px;
      }
      .stack-card, .stack-main, .stack-side-left, .stack-side-right {
        position: static;
        width: 100% !important;
        transform: none !important;
        opacity: 1 !important;
      }
      .tier-grid, .feature-grid, .article-grid, .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .partner-matrix {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar-inner {
        flex-direction: column;
        gap: 4px;
        text-align: center;
      }
      .nav-links {
        display: none;
      }
      .hero-title {
        font-size: 28px;
      }
      .section-title {
        font-size: 24px;
      }
      .tier-grid, .feature-grid, .article-grid, .testimonial-grid, .case-grid, .compare-container {
        grid-template-columns: 1fr;
      }
      .counter-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-grid {
        grid-template-columns: 1fr;
      }
      .partner-matrix {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-form {
        flex-direction: column;
      }
      .cta-box-container {
        padding: 35px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }