/* ==========================================================================
   飞鸟云官网 (flying-bird.best) - 极简高性能纯原生 CSS
   特点：无外部框架、零第三方请求、移动端单栏适配、高对比度与无障碍优化
   ========================================================================== */

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #182234;
  --bg-card-hover: #1f2d44;
  --bg-accent: rgba(59, 130, 246, 0.08);
  
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: #60a5fa;
  --accent: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --border: #1f293d;
  --border-focus: #60a5fa;
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  
  --container-max: 1200px;
  --container-article: 840px;
  --header-height: 72px;
  --touch-target: 44px;
}

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

html {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at top center, #142036 0%, #0a0e17 65%);
  color: var(--text-main);
  overflow-x: hidden;
}

/* 键盘可访问性跳过链接 */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--primary);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  text-decoration: none;
  font-weight: 600;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 1rem;
}

/* 通用容器 */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.article-container {
  width: 100%;
  max-width: var(--container-article);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* 锚点偏移量防止固定页眉遮挡 */
section, article, h2, h3 {
  scroll-margin-top: calc(var(--header-height) + 1.5rem);
}

/* 焦点环样式 */
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 3px;
}

/* 导航栏 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(10, 14, 23, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-logo-img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.35);
}

.brand-logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--primary-light);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.25rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0.25rem;
  transition: color 0.2s ease;
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
}

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

.nav-link.highlight {
  color: var(--primary-light);
  font-weight: 600;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: var(--radius-full);
  text-decoration: none;
  min-height: var(--touch-target);
  transition: opacity 0.2s ease, transform 0.15s ease;
}

.nav-cta:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

/* 按钮通用 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  min-height: var(--touch-target);
  min-width: 120px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #2563eb 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.6);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.btn-lg {
  padding: 0.95rem 2.2rem;
  font-size: 1.125rem;
}

/* 主视觉区 (Hero) */
.hero-section {
  padding: 6rem 0 5rem;
  text-align: center;
  position: relative;
  background-image: 
    linear-gradient(180deg, rgba(10, 14, 23, 0.72) 0%, rgba(10, 14, 23, 0.88) 75%, #0a0e17 100%),
    url('images/hero-bg.jpg');
  background-size: cover;
  background-position: center 25%;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--border);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.35);
  border-radius: var(--radius-full);
  color: var(--primary-light);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

.hero-title .text-gradient {
  background: linear-gradient(135deg, #60a5fa 0%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto 1.5rem;
  line-height: 1.5;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 auto 2.25rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.hero-guarantee-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-guarantee-item svg {
  color: var(--success);
}

/* 区块通用标题 */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  color: var(--primary-light);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  display: block;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* 核心优势卡片区 */
.features-section {
  padding: 4rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(96, 165, 250, 0.4);
  box-shadow: var(--shadow-md);
}

.feature-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--bg-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.feature-icon-wrap svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 流媒体与 AI 支持图卡 */
.support-section {
  padding: 4rem 0;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.support-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
}

.support-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.support-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.support-card p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.badge-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-main);
  font-weight: 500;
}

/* 套餐对比价格表 */
.pricing-section {
  padding: 4rem 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

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

.pricing-card.popular {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.1) 0%, var(--bg-card) 40%);
  box-shadow: 0 0 25px rgba(59, 130, 246, 0.2);
}

.popular-ribbon {
  position: absolute;
  top: -12px;
  right: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #ffffff;
  padding: 0.25rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}

.pricing-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.pricing-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
  min-height: 2.6em;
}

.price-box {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.price-currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
}

.price-num {
  font-size: 2.25rem;
  font-weight: 800;
  color: #ffffff;
}

.price-cycle {
  font-size: 0.875rem;
  color: var(--text-dim);
}

.pricing-features {
  list-style: none;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li svg {
  color: var(--success);
  flex-shrink: 0;
}

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

/* 表格容器响应式横向滚动包装 */
.table-scroll-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.comparison-table caption {
  padding: 1rem;
  font-weight: 700;
  text-align: left;
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.comparison-table th, .comparison-table td {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  background: rgba(255, 255, 255, 0.03);
  color: #ffffff;
  font-weight: 600;
  white-space: nowrap;
}

.comparison-table td {
  color: var(--text-muted);
}

/* 用户评价 */
.reviews-section {
  padding: 4rem 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

.review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.user-name {
  font-weight: 600;
  color: #ffffff;
  font-size: 0.95rem;
}

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

.star-rating {
  color: #fbbf24;
  display: flex;
  gap: 2px;
}

.review-card p {
  color: var(--text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
  font-style: normal;
}

/* FAQ 常见问题解答 - 默认展开原生 details/summary */
.faq-section {
  padding: 4rem 0;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: rgba(96, 165, 250, 0.4);
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--touch-target);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.4rem;
  line-height: 1;
  color: var(--primary-light);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.faq-answer a {
  color: var(--primary-light);
  text-decoration: underline;
}

/* 页脚 - 严格只保留四个标题，在新页面打开 */
.site-footer {
  margin-top: auto;
  background: #06090f;
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.footer-brand h4 {
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.875rem;
  max-width: 400px;
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 0;
  min-height: var(--touch-target);
  display: inline-flex;
  align-items: center;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #ffffff;
}

.footer-bottom {
  margin-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* 知识科普与文章阅读页专用样式 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

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

.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: var(--text-dim);
  font-size: 0.875rem;
  margin-top: 1rem;
}

.article-content {
  color: #d1d5db;
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-content h2 {
  font-size: 1.5rem;
  color: #ffffff;
  margin: 2.25rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.article-content h3 {
  font-size: 1.25rem;
  color: #f3f4f6;
  margin: 1.75rem 0 0.75rem;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content ul, .article-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
  color: var(--text-muted);
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-content a {
  color: var(--primary-light);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.article-content a:hover {
  color: #93c5fd;
}

.article-callout {
  background: rgba(59, 130, 246, 0.08);
  border-left: 4px solid var(--primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
  color: var(--text-main);
}

.article-callout p:last-child {
  margin-bottom: 0;
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  margin: 2.5rem 0;
}

.article-cta-box h3 {
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.article-cta-box p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 1.5rem;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.article-card-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.article-card-item:hover {
  transform: translateY(-3px);
  border-color: var(--primary-light);
}

.article-card-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.article-card-item p {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.article-read-more {
  color: var(--primary-light);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ==========================================================================
   响应式媒体查询 (@media) - 确保手机端完美单栏与触摸规范
   ========================================================================== */

@media (max-width: 1024px) {
  .features-grid, .reviews-grid, .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.05rem;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
  
  .features-grid, .support-grid, .reviews-grid, .article-grid, .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .hero-guarantee {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }
  
  .header-inner {
    padding: 0 0.5rem;
  }
  
  .nav-links {
    gap: 0.75rem;
  }
  
  .nav-link {
    font-size: 0.875rem;
    padding: 0.25rem;
  }
  
  .nav-cta {
    padding: 0.4rem 0.9rem;
    font-size: 0.85rem;
  }
  
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  
  .footer-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.7rem;
  }
  
  .feature-card, .support-card, .pricing-card, .review-card {
    padding: 1.5rem 1.25rem;
  }
}