/* ==========================================================================
   一翻云机场 (yfcloud.homes) - 官方网站核心样式库
   整体风格：大气、精致、活泼、科技感、温馨
   字体：宋体字 ('SimSun', 'Songti SC', 'STSong', 'Noto Serif SC', serif)
   主色调：linear-gradient(to right, rgb(252, 74, 26), rgb(247, 183, 51))
   ========================================================================== */

:root {
  --primary-gradient: linear-gradient(to right, rgb(252, 74, 26), rgb(247, 183, 51));
  --primary-hover-gradient: linear-gradient(to right, rgb(235, 60, 15), rgb(235, 170, 35));
  --accent-color: rgb(252, 74, 26);
  --accent-light: rgb(247, 183, 51);
  --text-dark: #222222;
  --text-muted: #555555;
  --text-light: #777777;
  --bg-light: #fdfbf7;
  --card-bg: #ffffff;
  --border-color: rgba(252, 74, 26, 0.15);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 25px rgba(252, 74, 26, 0.12);
  --shadow-lg: 0 20px 40px rgba(252, 74, 26, 0.2);
  --font-serif: 'SimSun', 'Songti SC', 'STSong', 'Noto Serif SC', 'Times New Roman', serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

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

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

body {
  font-family: var(--font-serif);
  color: var(--text-dark);
  background-color: var(--bg-light);
  line-height: 1.8;
  letter-spacing: 0.2px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   通用布局与容器
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: rgb(235, 60, 15);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: bold;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff !important;
  box-shadow: 0 8px 20px rgba(252, 74, 26, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(252, 74, 26, 0.45);
  background: var(--primary-hover-gradient);
}

.btn-secondary {
  background: #ffffff;
  color: var(--accent-color) !important;
  border: 2px solid var(--accent-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--accent-color);
  color: #ffffff !important;
  transform: translateY(-3px);
}

.section-padding {
  padding: 90px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.3rem;
  font-weight: bold;
  color: var(--text-dark);
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-top: 10px;
}

/* ==========================================================================
   导航栏 Header / Nav
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(252, 74, 26, 0.15);
  transition: all 0.3s ease;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.04);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text-dark);
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--primary-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
  box-shadow: 0 4px 12px rgba(252, 74, 26, 0.3);
}

.logo span {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.nav-links a {
  color: var(--text-dark);
  font-size: 1.05rem;
  font-weight: 600;
  position: relative;
  padding: 6px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width 0.3s ease;
}

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

.nav-cta {
  display: flex;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-dark);
}

/* ==========================================================================
   Hero 头部大屏 (带动态点缀粒子 Canvas 与渐变背景)
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 160px 0 110px 0;
  background: var(--primary-gradient);
  color: #ffffff;
  overflow: hidden;
}

#hero-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  padding: 6px 20px;
  border-radius: 30px;
  font-size: 0.95rem;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.live-pulse {
  width: 10px;
  height: 10px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-ring 1.8s infinite;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 24px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.hero-subtitle {
  font-size: 1.25rem;
  opacity: 0.95;
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
}

.hero-buttons .btn-white {
  background: #ffffff;
  color: rgb(252, 74, 26) !important;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.hero-buttons .btn-white:hover {
  background: #fff8f5;
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.hero-buttons .btn-outline-white {
  background: transparent;
  color: #ffffff !important;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.hero-buttons .btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.hero-features-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 16px;
  padding: 20px;
}

.hero-feat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.hero-feat-item strong {
  font-size: 1.3rem;
}

.hero-feat-item span {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* ==========================================================================
   实时节点监控面板
   ========================================================================== */
.live-status-section {
  margin-top: -40px;
  position: relative;
  z-index: 10;
}

.status-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 24px 30px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.status-node-list {
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
}

.node-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
}

.node-flag {
  font-size: 1.2rem;
}

.node-ping {
  color: #10b981;
  font-weight: bold;
}

/* ==========================================================================
   核心优势 Core Advantages
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--card-bg);
  padding: 35px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(252, 74, 26, 0.3);
}

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

.feature-icon {
  width: 60px;
  height: 60px;
  background: rgba(252, 74, 26, 0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--accent-color);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.75;
}

/* ==========================================================================
   套餐价格 Pricing Section (与用户图片效果高度一致)
   ========================================================================== */
.pricing-section {
  background: #fff8f4;
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.price-card {
  background: #ffffff;
  border-radius: 16px;
  border: 3px solid #ff5a1f;
  padding: 40px 30px;
  box-shadow: 0 10px 30px rgba(252, 74, 26, 0.08);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: all 0.35s ease;
  text-align: center;
}

.price-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 45px rgba(252, 74, 26, 0.22);
}

.price-ribbon {
  position: absolute;
  top: 22px;
  right: -35px;
  background: #ff5a1f;
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: bold;
  padding: 4px 40px;
  transform: rotate(45deg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.price-header h3 {
  font-size: 1.8rem;
  font-weight: bold;
  color: #333333;
  margin-bottom: 8px;
}

.price-subtitle {
  color: #666666;
  font-size: 1rem;
  margin-bottom: 25px;
}

.price-amount {
  margin: 20px 0 30px 0;
  display: flex;
  align-items: baseline;
  justify-content: center;
  color: #ff5a1f;
}

.price-currency {
  font-size: 1.8rem;
  font-weight: bold;
}

.price-number {
  font-size: 3.6rem;
  font-weight: 800;
  line-height: 1;
}

.price-period {
  font-size: 1rem;
  color: #666666;
}

.price-features {
  list-style: none;
  margin-bottom: 35px;
  text-align: left;
  flex-grow: 1;
}

.price-features li {
  padding: 10px 0;
  font-size: 1rem;
  color: #444444;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px dashed #f0f0f0;
}

.price-features li:last-child {
  border-bottom: none;
}

.price-features .check-icon {
  color: #10b981;
  font-weight: bold;
  font-size: 1.1rem;
}

.price-card .btn-buy {
  background: #ff5a1f;
  color: #ffffff !important;
  font-size: 1.15rem;
  padding: 14px 0;
  width: 100%;
  border-radius: 50px;
  font-weight: bold;
  box-shadow: 0 6px 18px rgba(255, 90, 31, 0.35);
  transition: all 0.3s ease;
}

.price-card .btn-buy:hover {
  background: #e04812;
  box-shadow: 0 10px 25px rgba(255, 90, 31, 0.5);
  transform: translateY(-2px);
}

/* ==========================================================================
   用户评价 Testimonials
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: #ffffff;
  padding: 30px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
}

.stars {
  color: #f59e0b;
  margin-bottom: 14px;
  font-size: 1.1rem;
}

.testimonial-text {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
}

.user-info h4 {
  font-size: 1.05rem;
  color: var(--text-dark);
}

.user-info p {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ==========================================================================
   最新资讯/文章展示 Article Cards
   ========================================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.article-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.35s ease;
}

.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.article-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-tag {
  display: inline-block;
  background: rgba(252, 74, 26, 0.1);
  color: var(--accent-color);
  font-size: 0.85rem;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
  width: fit-content;

  font-weight: bold;
}

.article-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  line-height: 1.5;
  color: var(--text-dark);
}

.article-card h3 a {
  color: var(--text-dark);
}

.article-card h3 a:hover {
  color: var(--accent-color);
}

.article-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-light);
  border-top: 1px solid #f2f2f2;
  padding-top: 14px;
}

/* ==========================================================================
   常见问题 FAQ Accordion
   ========================================================================== */
.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  padding: 22px 28px;
  font-size: 1.15rem;
  font-weight: bold;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: #fff9f6;
}

.faq-icon {
  font-size: 1.3rem;
  color: var(--accent-color);
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  background: #ffffff;
  padding: 0 28px;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 28px 24px 28px;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
}

/* ==========================================================================
   60个关键词标签云 Section
   ========================================================================== */
.tags-section {
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.tag-pill {
  display: inline-block;
  padding: 8px 18px;
  background: #fff6f2;
  border: 1px solid rgba(252, 74, 26, 0.2);
  color: #444444;
  border-radius: 25px;
  font-size: 0.92rem;
  transition: all 0.3s ease;
}

.tag-pill:hover {
  background: var(--primary-gradient);
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(252, 74, 26, 0.3);
  border-color: transparent;
}

/* ==========================================================================
   文章详情页面的专属样式 (Article Detail Page)
   ========================================================================== */
.article-header-section {
  padding: 140px 0 60px 0;
  background: var(--primary-gradient);
  color: #ffffff;
  text-align: center;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 10px;
  font-size: 0.95rem;
  margin-bottom: 20px;
  opacity: 0.9;
}

.breadcrumb a {
  color: #ffffff;
  text-decoration: underline;
}

.article-header-title {
  font-size: 2.5rem;
  font-weight: bold;
  line-height: 1.3;
  max-width: 900px;
  margin: 0 auto 20px auto;
}

.article-header-meta {
  display: flex;
  justify-content: center;
  gap: 25px;
  font-size: 0.95rem;
  opacity: 0.9;
}

.article-main-container {
  padding: 60px 0 90px 0;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

.article-body {
  background: #ffffff;
  padding: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  font-size: 1.08rem;
  line-height: 2;
  color: #2c2c2c;
}

.article-body h2 {
  font-size: 1.8rem;
  color: var(--text-dark);
  margin: 40px 0 20px 0;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(252, 74, 26, 0.2);
}

.article-body h3 {
  font-size: 1.4rem;
  color: var(--text-dark);
  margin: 30px 0 15px 0;
}

.article-body p {
  margin-bottom: 22px;
  text-align: justify;
}

.article-body ul, .article-body ol {
  margin-bottom: 24px;
  padding-left: 28px;
}

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

.article-callout {
  background: #fff8f4;
  border-left: 5px solid rgb(252, 74, 26);
  padding: 20px;
  margin: 25px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-callout strong {
  color: rgb(252, 74, 26);
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.sidebar-widget {
  background: #ffffff;
  padding: 25px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.sidebar-widget h4 {
  font-size: 1.2rem;
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent-color);
}

.sidebar-articles-list {
  list-style: none;
}

.sidebar-articles-list li {
  margin-bottom: 14px;
}

.sidebar-articles-list a {
  color: var(--text-dark);
  font-size: 0.95rem;
  line-height: 1.5;
  display: block;
}

.sidebar-articles-list a:hover {
  color: var(--accent-color);
}

.cta-box-widget {
  background: var(--primary-gradient);
  color: #ffffff;
  text-align: center;
  padding: 30px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.cta-box-widget h4 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.cta-box-widget p {
  font-size: 0.95rem;
  opacity: 0.95;
  margin-bottom: 20px;
}

/* ==========================================================================
   页脚 Footer
   ========================================================================== */
.site-footer {
  background: #1c1816;
  color: #dddddd;
  padding: 70px 0 30px 0;
  border-top: 4px solid var(--accent-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-about h3 {
  color: #ffffff;
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.footer-about p {
  color: #aaaaaa;
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background: var(--accent-color);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #bbbbbb;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--accent-light);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #2d2725;
  color: #888888;
  font-size: 0.9rem;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--primary-gradient);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(252, 74, 26, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-5px);
}

/* ==========================================================================
   响应式媒体查询 Responsive Layout
   ========================================================================== */
@media (max-width: 992px) {
  .pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .article-main-container {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-title {
    font-size: 2.4rem;
  }
  .hero-features-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .mobile-menu-active .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: #ffffff;
    padding: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}