/* ==========================================================================
   花云机场 (FlowerCloud Airport) - 全站统一样式库
   设计语言：淡粉柔美极简风 (Soft Pink & Glassmorphism Tech Aesthetic)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

:root {
  --font-primary: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  
  /* 色彩系统 - 淡粉与优雅暗紫调结合 */
  --bg-main: #0f0b15;
  --bg-secondary: #171120;
  --bg-card: rgba(27, 20, 36, 0.85);
  --bg-card-hover: rgba(38, 27, 50, 0.95);
  --bg-glass: rgba(255, 240, 245, 0.05);
  
  --primary-pink: #ff6e8d;
  --primary-pink-hover: #ff4770;
  --primary-pink-light: #ffdbe3;
  --primary-pink-glow: rgba(255, 110, 141, 0.35);
  --pink-gradient: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%);
  --accent-purple: #9d4edd;
  --accent-glow: linear-gradient(135deg, #f72585 0%, #7209b7 100%);
  --badge-gradient: linear-gradient(135deg, #ff4d6d 0%, #c77dff 100%);
  
  --text-white: #ffffff;
  --text-main: #fcf7f9;
  --text-muted: #b9a9b7;
  --text-dim: #7f6e7d;
  
  --border-color: rgba(255, 110, 141, 0.18);
  --border-highlight: rgba(255, 110, 141, 0.45);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-pink: 0 10px 30px rgba(255, 110, 141, 0.25);
  --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.4);
  
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(255, 110, 141, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(157, 78, 221, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(255, 219, 227, 0.03) 0%, transparent 60%);
  background-attachment: fixed;
}

/* 动态背景点缀 - 花瓣/光点 Canvas */
#petal-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.content-wrapper {
  position: relative;
  z-index: 2;
}

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

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

/* 统一布局容器 */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 渐变高亮文字 */
.text-gradient {
  background: var(--pink-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* 按钮规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--pink-gradient);
  color: var(--text-white);
  box-shadow: var(--shadow-pink);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: 0.6s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(255, 110, 141, 0.45);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-highlight);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(255, 110, 141, 0.15);
  border-color: var(--primary-pink);
  color: var(--text-white);
  transform: translateY(-2px);
}

/* 顶部导航栏 */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 11, 21, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: -0.5px;
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: 0 0 15px var(--primary-pink-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

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

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--pink-gradient);
  transition: var(--transition-fast);
  border-radius: 2px;
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* 首屏 Hero 区块 */
.hero {
  padding: 90px 0 70px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 110, 141, 0.12);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-full);
  color: var(--primary-pink-light);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero-tag .dot {
  width: 8px;
  height: 8px;
  background: var(--primary-pink);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary-pink);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-item h4 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 2px;
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.hero-image-box {
  position: relative;
}

.hero-image-box img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), 0 0 40px rgba(255, 110, 141, 0.15);
  border: 1px solid var(--border-color);
  animation: floatAnim 4s ease-in-out infinite;
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 核心优势 Section */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}

.section-subtitle {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-pink);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* 优势卡片网格 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  transition: var(--transition-normal);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--pink-gradient);
  opacity: 0;
  transition: var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(255, 110, 141, 0.15);
  background: var(--bg-card-hover);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(255, 110, 141, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary-pink);
  margin-bottom: 24px;
  border: 1px solid rgba(255, 110, 141, 0.2);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-white);
}

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

/* 套餐价格 Section (高度还原用户参考图，适配花云淡粉与暗黑精美UI) */
.pricing-section {
  background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
  padding: 100px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  background: rgba(22, 17, 29, 0.95);
  border: 1px solid rgba(255, 110, 141, 0.15);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-pink);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 25px rgba(255, 110, 141, 0.2);
}

.pricing-card.popular {
  border: 2px solid #a855f7;
  background: linear-gradient(180deg, rgba(35, 23, 50, 0.98) 0%, rgba(20, 14, 30, 0.98) 100%);
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.25);
}

.pricing-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 6px 18px;
  border-bottom-left-radius: 12px;
  border-top-right-radius: 14px;
  letter-spacing: 1px;
}

.pricing-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 20px;
  min-height: 48px;
  line-height: 1.3;
}

.pricing-price {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--text-white);
  margin-bottom: 24px;
  display: flex;
  align-items: baseline;
}

.pricing-price span.currency {
  font-size: 1.8rem;
  font-weight: 700;
  margin-right: 2px;
}

.pricing-price span.period {
  font-size: 0.9rem;
  color: var(--text-dim);
  font-weight: 500;
  margin-left: 6px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 36px;
  flex: 1;
}

.pricing-features li {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--primary-pink);
  font-weight: 800;
  font-size: 0.95rem;
}

.pricing-card.popular .pricing-features li::before {
  color: #c084fc;
}

.pricing-btn {
  width: 100%;
  padding: 14px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.pricing-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: var(--text-white);
}

.pricing-card.popular .pricing-btn {
  background: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
  border: none;
  box-shadow: 0 10px 25px rgba(168, 85, 247, 0.4);
}

.pricing-card.popular .pricing-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(168, 85, 247, 0.6);
}

/* 适合人群 Section */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.audience-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition-normal);
}

.audience-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-pink);
  background: var(--bg-card-hover);
}

.audience-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.audience-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 8px;
}

.audience-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* 教程 Tab 区块 (Clash / Clash Party) */
.tutorial-section {
  background: var(--bg-secondary);
}

.tab-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.tab-btn {
  padding: 12px 28px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-btn.active, .tab-btn:hover {
  background: var(--pink-gradient);
  color: var(--text-white);
  border-color: transparent;
  box-shadow: var(--shadow-pink);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.tutorial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.tutorial-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.step-item {
  display: flex;
  gap: 20px;
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--pink-gradient);
  color: var(--text-white);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 6px;
}

.step-info p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* 用户评价 Section */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  position: relative;
}

.review-stars {
  color: #ffc107;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  font-style: italic;
}

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

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--pink-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--text-white);
}

.author-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
}

.author-info p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* FAQ 手风琴 Section */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

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

.faq-header {
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-white);
  user-select: none;
}

.faq-icon {
  font-size: 1.3rem;
  color: var(--primary-pink);
  transition: var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 28px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-body {
  max-height: 1000px;
  transition: max-height 0.3s ease-in-out;
  padding: 0 28px 24px 28px;
}

/* 文章目录 Section */
.article-catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-pink);
  box-shadow: var(--shadow-pink);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.article-tag {
  background: rgba(255, 110, 141, 0.15);
  color: var(--primary-pink-light);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

.article-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 12px;
  line-height: 1.4;
}

.article-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.article-link {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-pink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-link:hover {
  color: var(--primary-pink-hover);
}

/* 底部 Footer */
.footer {
  background: #0a070f;
  border-top: 1px solid var(--border-color);
  padding: 80px 0 40px;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 16px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-dim);
}

.footer-links a:hover {
  color: var(--primary-pink);
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* 文章详情页专用排版 */
.article-page {
  padding: 60px 0 100px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 30px;
}

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

.article-header-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 40px;
}

.article-header-box h1 {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 16px;
  line-height: 1.3;
}

.article-header-meta {
  display: flex;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.article-body-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 50px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #e2d7e0;
}

.article-body-content h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-white);
  margin: 36px 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.article-body-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-pink-light);
  margin: 28px 0 14px;
}

.article-body-content p {
  margin-bottom: 20px;
}

.article-body-content ul, .article-body-content ol {
  margin: 0 0 24px 24px;
}

.article-body-content li {
  margin-bottom: 8px;
}

.article-callout {
  background: rgba(255, 110, 141, 0.08);
  border-left: 4px solid var(--primary-pink);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 30px 0;
}

.article-callout p {
  margin: 0;
  color: var(--text-main);
  font-weight: 500;
}

/* 关联推荐与文章专属 FAQ */
.article-related-box, .article-faq-box {
  margin-top: 50px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.article-faq-box h3, .article-related-box h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 24px;
}

/* 响应式媒体查询 */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .features-grid, .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tutorial-card {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .features-grid, .reviews-grid, .pricing-grid, .audience-grid, .article-catalog-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .article-body-content {
    padding: 24px;
  }
}