/* ===================================================================
   云海互联 (OceanCloud.sbs) 官方落地页纯原生样式表
   特点：极致轻量、秒开级别响应、零外部框架、现代化深色流光美学
   =================================================================== */

:root {
  --bg-primary: #060b17;
  --bg-secondary: #0c1527;
  --bg-card: rgba(14, 25, 46, 0.75);
  --bg-card-hover: rgba(20, 36, 65, 0.85);
  --border-subtle: rgba(56, 189, 248, 0.12);
  --border-focus: rgba(56, 189, 248, 0.45);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-cyan: #00f2fe;
  --accent-blue: #0284c7;
  --accent-sky: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-purple: #c084fc;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --card-radius: 16px;
  --btn-radius: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1240px;
}

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

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.6;
}

/* 动态背景画布 (超高清绚丽风车) */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.88;
  filter: drop-shadow(0 0 25px rgba(0, 242, 254, 0.15));
}

/* 页面主体容器 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* 链接基础样式 */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* 顶部导航栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 11, 23, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-brand img.logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, #ffffff 30%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.logo-domain {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-sky);
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-indigo));
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.nav-link:hover::after {
  width: 100%;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* 按钮通用样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #4f46e5 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(56, 189, 248, 0.55);
  background: linear-gradient(135deg, #0ea5e9 0%, #3b82f6 50%, #6366f1 100%);
  color: #ffffff;
}

.btn-pulse {
  position: relative;
  overflow: hidden;
}

.btn-pulse::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 10%, transparent 60%);
  opacity: 0;
  transform: scale(0.5);
  transition: transform 0.5s, opacity 0.5s;
}

.btn-pulse:hover::before {
  opacity: 1;
  transform: scale(1);
}

.btn-outline {
  background: rgba(14, 25, 46, 0.6);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: rgba(30, 48, 80, 0.7);
  border-color: var(--accent-sky);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 34px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.25rem;
}

/* ===================================================================
   HERO 英雄区域
   =================================================================== */
.hero-section {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 9999px;
  font-size: 0.88rem;
  color: var(--accent-sky);
  margin-bottom: 24px;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.15);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #00f2fe 0%, #38bdf8 40%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 820px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-cta-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 48px;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
  background: rgba(14, 25, 46, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  backdrop-filter: blur(10px);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: #ffffff;
  display: block;
  margin-bottom: 4px;
}

.stat-value span {
  color: var(--accent-sky);
  font-size: 1.1rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===================================================================
   PRICING 套餐同排一览 (严格保证所有价格同排展示)
   =================================================================== */
.pricing-section {
  padding: 80px 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
}

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

.pricing-notice-banner {
  background: linear-gradient(90deg, rgba(2, 132, 199, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 12px;
  padding: 14px 20px;
  margin-bottom: 32px;
  text-align: center;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.pricing-notice-banner strong {
  color: var(--accent-cyan);
}

/* 核心网格：四列同排展示 */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: 30px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  backdrop-filter: blur(12px);
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-focus);
  box-shadow: 0 16px 36px rgba(2, 132, 199, 0.2);
}

.price-card.featured {
  background: linear-gradient(180deg, rgba(14, 34, 68, 0.9) 0%, rgba(10, 20, 42, 0.85) 100%);
  border: 2px solid #00f2fe;
  box-shadow: 0 12px 32px rgba(0, 242, 254, 0.25);
  position: relative;
}

.featured-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #00f2fe, #3b82f6);
  color: #030712;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 242, 254, 0.4);
}

.card-top {
  margin-bottom: 24px;
}

.plan-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
}

.plan-tier-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-sky);
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  min-height: 40px;
  margin-bottom: 20px;
  line-height: 1.5;
}

.plan-pricing-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.price-amount {
  font-size: 2.3rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
}

.price-period {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-annual-tip {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.1);
  padding: 3px 8px;
  border-radius: 4px;
}

.plan-features {
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  margin-bottom: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.plan-features li svg {
  width: 17px;
  height: 17px;
  min-width: 17px;
  color: #10b981;
  margin-top: 2px;
}

.plan-features li strong {
  color: #ffffff;
}

.price-card .btn {
  width: 100%;
}

/* ===================================================================
   FEATURES 核心技术优势
   =================================================================== */
.features-section {
  padding: 80px 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: 32px 26px;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  backdrop-filter: blur(10px);
}

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

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(99, 102, 241, 0.2));
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-cyan);
}

.feature-icon-box svg {
  width: 26px;
  height: 26px;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===================================================================
   NODE STATUS 节点延迟与全球测速
   =================================================================== */
.nodes-section {
  padding: 80px 0;
}

.nodes-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: 24px;
  overflow-x: auto;
  backdrop-filter: blur(10px);
}

.nodes-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.nodes-table th {
  padding: 14px 18px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nodes-table td {
  padding: 16px 18px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nodes-table tr:hover td {
  background: rgba(56, 189, 248, 0.05);
}

.node-name-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: #ffffff;
}

.node-flag {
  font-size: 1.25rem;
}

.ping-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
}

.ping-fast {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.speed-bar-wrap {
  width: 120px;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 6px;
}

.speed-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #00f2fe, #38bdf8);
  border-radius: 3px;
}

/* ===================================================================
   ARTICLES 推荐文章专区 (8篇独立好文)
   =================================================================== */
.articles-section {
  padding: 80px 0;
  position: relative;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  backdrop-filter: blur(10px);
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-focus);
  box-shadow: 0 12px 30px rgba(56, 189, 248, 0.15);
}

.article-card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-sky);
  margin-bottom: 12px;
  align-self: flex-start;
}

.article-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.45;
  margin-bottom: 10px;
}

.article-card-title a:hover {
  color: var(--accent-cyan);
}

.article-card-excerpt {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 12px;
}

.article-card-link {
  color: var(--accent-sky);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-card-link:hover {
  color: var(--accent-cyan);
}

/* ===================================================================
   TESTIMONIALS 用户真实评价
   =================================================================== */
.testimonials-section {
  padding: 80px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(10px);
  transition: transform var(--transition-normal);
}

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

.stars-row {
  display: flex;
  gap: 4px;
  color: #f59e0b;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.testimonial-text {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

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

.user-avatar-badge {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0284c7, #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  font-size: 0.95rem;
}

.user-info-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

.user-info-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===================================================================
   FAQ 常见问题与解答
   =================================================================== */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-focus);
}

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

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--accent-sky);
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  padding: 0 24px 20px;
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===================================================================
   CTA BOTTOM 底部呼吁横幅
   =================================================================== */
.cta-banner-section {
  padding: 60px 0 80px;
}

.cta-banner {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.25) 0%, rgba(99, 102, 241, 0.25) 100%);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: 20px;
  padding: 48px 36px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(2, 132, 199, 0.25);
  backdrop-filter: blur(14px);
}

.cta-banner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
}

.cta-banner p {
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 30px;
}

/* ===================================================================
   FOOTER 页脚
   =================================================================== */
.site-footer {
  background: #030712;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 60px 0 30px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  position: relative;
  z-index: 1;
}

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

.footer-brand p {
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
}

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

.footer-col ul a {
  color: var(--text-muted);
}

.footer-col ul a:hover {
  color: var(--accent-sky);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.geo-info-line {
  color: #475569;
  font-size: 0.78rem;
}

/* ===================================================================
   响应式断点优化
   =================================================================== */
@media (max-width: 1080px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .hero-stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}