/* ==========================================================================
   飞天猪机场 (feitianzhujc.homes) 官方落地页 - 3D 软萌与可爱质感样式系统
   ========================================================================== */

@charset "UTF-8";

/* 引入正楷体与通用回退字体 */
:root {
  --font-kaiti: "KaiTi", "STKaiti", "楷体", "DFKai-SB", "Microsoft YaHei", serif;
  --bg-gradient: linear-gradient(45deg, #ff9a9e 0%, #fad0c4 99%, #fad0c4 100%);
  --primary-pink: #ff6b81;
  --primary-pink-dark: #ee5253;
  --accent-yellow: #feca57;
  --accent-blue: #48dbfb;
  --accent-purple: #ff9ff3;
  --text-main: #2d3436;
  --text-muted: #636e72;
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: rgba(255, 255, 255, 0.9);
  --shadow-3d: 0 15px 35px rgba(238, 82, 83, 0.18), 0 5px 15px rgba(0, 0, 0, 0.05), inset 0 2px 4px rgba(255, 255, 255, 0.9);
  --shadow-btn: 0 10px 25px rgba(255, 107, 129, 0.4), inset 0 2px 0 rgba(255, 255, 255, 0.5);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --transition-smooth: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: var(--font-kaiti);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.8;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* 动态背景漂浮云朵与斑点效果 */
.bg-decorations {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.cloud {
  position: absolute;
  background: rgba(255, 255, 255, 0.45);
  border-radius: 50px;
  backdrop-filter: blur(4px);
  box-shadow: 0 8px 20px rgba(255, 182, 193, 0.3);
  animation: floatCloud linear infinite;
}

.cloud-1 { top: 12%; left: -100px; width: 140px; height: 45px; animation-duration: 28s; }
.cloud-2 { top: 38%; right: -120px; width: 180px; height: 55px; animation-duration: 34s; animation-delay: 5s; }
.cloud-3 { top: 68%; left: -150px; width: 210px; height: 65px; animation-duration: 40s; animation-delay: 2s; }
.cloud-4 { top: 88%; right: -90px; width: 130px; height: 40px; animation-duration: 30s; animation-delay: 12s; }

@keyframes floatCloud {
  0% { transform: translateX(0) translateY(0); }
  50% { transform: translateX(calc(100vw + 200px)) translateY(-20px); }
  100% { transform: translateX(calc(100vw + 400px)) translateY(0); }
}

.glow-bubble {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.6;
  animation: pulseBubble 6s ease-in-out infinite alternate;
}

.bubble-1 { top: 5%; right: 10%; width: 250px; height: 250px; background: #ffeaa7; }
.bubble-2 { top: 45%; left: 5%; width: 300px; height: 300px; background: #ff7675; }
.bubble-3 { top: 80%; right: 15%; width: 220px; height: 220px; background: #74b9ff; }

@keyframes pulseBubble {
  0% { transform: scale(1) translateY(0); }
  100% { transform: scale(1.15) translateY(-30px); }
}

/* 统一版心 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* 按钮通用 3D 样式 */
.btn-3d {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-kaiti);
  font-size: 1.15rem;
  font-weight: bold;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.8);
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-btn);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-primary {
  background: linear-gradient(135deg, #ff7675 0%, #d63031 100%);
  color: #ffffff;
}

.btn-primary:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 15px 30px rgba(214, 48, 49, 0.5), inset 0 2px 0 rgba(255, 255, 255, 0.7);
}

.btn-secondary {
  background: linear-gradient(135deg, #ffffff 0%, #ffeaa7 100%);
  color: #d63031;
}

.btn-secondary:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 15px 30px rgba(254, 202, 87, 0.5);
}

/* 导航栏 */
.header-nav {
  position: sticky;
  top: 15px;
  z-index: 100;
  margin-top: 15px;
}

.nav-inner {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 50px;
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(255, 107, 129, 0.15);
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: 2px solid #fff;
  transition: transform 0.4s ease;
}

.logo-group:hover .logo-img {
  transform: rotate(12deg) scale(1.1);
}

.brand-title {
  font-size: 1.45rem;
  font-weight: bold;
  color: #d63031;
  letter-spacing: 1px;
  text-shadow: 1px 1px 0px rgba(255,255,255,0.8);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  white-space: nowrap;
}

.nav-links li {
  white-space: nowrap;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: bold;
  padding: 6px 12px;
  border-radius: 20px;
  transition: var(--transition-smooth);
  white-space: nowrap;
}

.nav-links a:hover {
  color: #d63031;
  background: rgba(255, 118, 117, 0.15);
}

/* Hero Section */
.hero-section {
  padding: 65px 0 50px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.9);
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 1rem;
  color: #d63031;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(255, 107, 129, 0.2);
  width: fit-content;
  border: 1.5px solid #ff7675;
}

.hero-title {
  font-size: 2.8rem;
  line-height: 1.3;
  color: #2d3436;
  font-weight: 900;
}

.hero-title span {
  color: #d63031;
  background: linear-gradient(135deg, #d63031 0%, #ff7675 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.25rem;
  color: #4a4a4a;
  line-height: 1.8;
}

.selling-points-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0;
}

.pill {
  background: rgba(255, 255, 255, 0.95);
  border: 1.5px solid rgba(255, 118, 117, 0.4);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 1rem;
  color: #d63031;
  font-weight: bold;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-actions {
  display: flex;
  gap: 18px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-3d-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  border: 4px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-3d);
  position: relative;
  transition: transform 0.5s ease;
  animation: floatPig 5s ease-in-out infinite alternate;
}

@keyframes floatPig {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(-18px) rotate(2deg); }
}

.hero-pig-img {
  width: 100%;
  max-width: 420px;
  height: auto;
  display: block;
  filter: drop-shadow(0 15px 25px rgba(255, 107, 129, 0.3));
}

.floating-stat-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  padding: 12px 20px;
  border-radius: 20px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  border: 2px solid #fff;
  font-weight: bold;
  font-size: 0.95rem;
}

.stat-1 { bottom: -15px; left: -15px; border-left: 4px solid #10ac84; }
.stat-2 { top: 15px; right: -20px; border-left: 4px solid #ff9f43; }

/* 区块统一通用头 */
.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 45px;
}

.section-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.9);
  color: #d63031;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 12px;
  border: 1px solid rgba(255, 118, 117, 0.3);
  box-shadow: 0 4px 12px rgba(255, 107, 129, 0.15);
}

.section-title {
  font-size: 2.3rem;
  color: #2d3436;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
}

/* 核心优势 Grid */
.advantages-section {
  padding: 60px 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.advantage-card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow-3d);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.advantage-card:hover {
  transform: translateY(-8px) scale(1.02);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 20px 40px rgba(238, 82, 83, 0.25);
}

.card-icon-3d {
  width: 68px;
  height: 68px;
  border-radius: 22px;
  background: linear-gradient(135deg, #ff7675 0%, #d63031 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  margin-bottom: 20px;
  box-shadow: 0 10px 20px rgba(214, 48, 49, 0.3);
  color: #fff;
}

.advantage-title {
  font-size: 1.4rem;
  color: #2d3436;
  margin-bottom: 10px;
}

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

/* 套餐价格 Section */
.pricing-section {
  padding: 60px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 30px;
  align-items: stretch;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.9);
  border: 3px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-xl);
  padding: 35px 28px;
  box-shadow: var(--shadow-3d);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(255,234,234,0.95) 100%);
  border-color: #ff7675;
  transform: scale(1.04);
}

.pricing-card:hover {
  transform: translateY(-10px) scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -15px;
  right: 25px;
  background: linear-gradient(135deg, #feca57 0%, #ff9f43 100%);
  color: #5f27cd;
  font-size: 0.95rem;
  font-weight: bold;
  padding: 6px 18px;
  border-radius: 20px;
  box-shadow: 0 5px 15px rgba(254, 202, 87, 0.4);
}

.plan-name {
  font-size: 1.6rem;
  color: #2d3436;
  font-weight: bold;
  margin-bottom: 12px;
}

.plan-price {
  font-size: 2.6rem;
  color: #d63031;
  font-weight: 900;
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.plan-price span {
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: normal;
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-features li {
  padding: 10px 0;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.08rem;
}

.plan-features li i {
  color: #10ac84;
  font-size: 1.2rem;
}

/* 客户端使用教程 Grid */
.tutorials-section {
  padding: 60px 0;
}

.tutorials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.tutorial-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  box-shadow: var(--shadow-3d);
  text-align: center;
  border: 2px solid rgba(255, 255, 255, 0.9);
  transition: var(--transition-smooth);
}

.tutorial-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.98);
}

.os-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.os-title {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: #2d3436;
}

.os-clients {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

/* 用户评价 Testimonials */
.reviews-section {
  padding: 60px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.review-card {
  background: rgba(255, 255, 255, 0.88);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-3d);
  border: 2px solid rgba(255,255,255,0.9);
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff9ff3, #feca57);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.reviewer-info h4 {
  font-size: 1.15rem;
  color: #2d3436;
}

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

.stars {
  color: #feca57;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.review-text {
  font-size: 1.05rem;
  color: #4a4a4a;
  line-height: 1.7;
}

/* FAQ 常见问题 Accordion */
.faq-section {
  padding: 60px 0;
}

.faq-container {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-3d);
  overflow: hidden;
}

.faq-question {
  padding: 20px 24px;
  font-size: 1.2rem;
  font-weight: bold;
  color: #2d3436;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: rgba(255, 234, 234, 0.5);
}

.faq-icon {
  font-size: 1.4rem;
  transition: transform 0.3s ease;
  color: #d63031;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1);
  background: rgba(255, 255, 255, 0.6);
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 16px 24px 22px;
  border-top: 1px dashed rgba(255, 118, 117, 0.3);
}

.faq-answer p {
  font-size: 1.05rem;
  color: #4a4a4a;
  line-height: 1.7;
}

/* 60大高频关键词标签云 */
.tags-section {
  padding: 60px 0;
}

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

.tag-item {
  background: rgba(255, 255, 255, 0.85);
  color: #d63031;
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 0.98rem;
  font-weight: bold;
  text-decoration: none;
  border: 1px solid rgba(255, 118, 117, 0.3);
  box-shadow: 0 4px 10px rgba(0,0,0,0.04);
  transition: var(--transition-smooth);
}

.tag-item:hover {
  background: #d63031;
  color: #ffffff;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 20px rgba(214, 48, 49, 0.3);
}

/* 页脚 Footer */
.footer-section {
  background: rgba(45, 52, 54, 0.92);
  color: #dfe6e9;
  padding: 50px 0 25px;
  margin-top: 60px;
  border-top: 4px solid #ff7675;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 35px;
}

.footer-brand h3 {
  font-size: 1.6rem;
  color: #ff7675;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 1rem;
  line-height: 1.8;
  color: #b2bec3;
}

.footer-links h4 {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 16px;
}

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

.footer-links a {
  color: #b2bec3;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #ff7675;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.95rem;
  color: #636e72;
}

/* 博客文章详情页专有样式 */
.article-page {
  padding: 50px 0;
}

.article-container {
  max-width: 900px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: 45px 40px;
  box-shadow: var(--shadow-3d);
  border: 3px solid rgba(255, 255, 255, 0.95);
}

.article-header {
  margin-bottom: 30px;
  border-bottom: 2px dashed rgba(255, 118, 117, 0.3);
  padding-bottom: 20px;
}

.article-title {
  font-size: 2.2rem;
  color: #2d3436;
  line-height: 1.4;
  margin-bottom: 15px;
}

.article-meta {
  display: flex;
  gap: 20px;
  font-size: 0.98rem;
  color: var(--text-muted);
}

.article-content {
  font-size: 1.15rem;
  line-height: 2;
  color: #2d3436;
}

.article-content h2 {
  font-size: 1.6rem;
  color: #d63031;
  margin: 35px 0 18px;
  border-left: 5px solid #ff7675;
  padding-left: 12px;
}

.article-content h3 {
  font-size: 1.35rem;
  color: #00b894;
  margin: 25px 0 14px;
}

.article-content p {
  margin-bottom: 18px;
}

.article-content ul, .article-content ol {
  margin: 15px 0 20px 25px;
}

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

.article-cta-box {
  background: linear-gradient(135deg, #ffeaa7 0%, #fab1a0 100%);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  margin: 40px 0;
  box-shadow: 0 10px 25px rgba(250, 177, 160, 0.4);
}

.article-cta-box h3 {
  font-size: 1.5rem;
  color: #d63031;
  margin-bottom: 10px;
}

.related-articles {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 2px solid rgba(0, 0, 0, 0.08);
}

/* 移动端汉堡包按钮与返回顶部悬浮按钮 */
.mobile-menu-btn {
  display: none;
  background: linear-gradient(135deg, #ffffff 0%, #ffeaa7 100%);
  border: 2px solid #ff7675;
  color: #d63031;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(255, 107, 129, 0.3);
  transition: var(--transition-smooth);
}

.mobile-menu-btn:hover {
  transform: scale(1.1) rotate(90deg);
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff7675 0%, #d63031 100%);
  color: #ffffff;
  border: 2px solid #ffffff;
  box-shadow: 0 10px 25px rgba(214, 48, 49, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.8);
  transition: var(--transition-smooth);
  text-decoration: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 15px 30px rgba(214, 48, 49, 0.6);
}

/* 响应式调整 Responsive */
@media (max-width: 1200px) and (min-width: 769px) {
  .nav-inner {
    padding: 10px 18px;
  }
  .brand-title {
    font-size: 1.2rem;
  }
  .nav-links {
    gap: 12px;
  }
  .nav-links a {
    font-size: 0.95rem;
    padding: 4px 8px;
  }
  .header-nav .btn-primary {
    padding: 10px 18px;
    font-size: 0.95rem;
  }
}

@media (max-width: 992px) and (min-width: 769px) {
  .nav-inner {
    padding: 8px 12px;
  }
  .brand-title {
    font-size: 1.05rem;
  }
  .logo-img {
    width: 38px;
    height: 38px;
  }
  .nav-links {
    gap: 6px;
  }
  .nav-links a {
    font-size: 0.88rem;
    padding: 3px 5px;
  }
  .header-nav .btn-primary {
    padding: 8px 14px;
    font-size: 0.88rem;
  }
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-actions {
    justify-content: center;
  }
  .selling-points-pills {
    justify-content: center;
  }
  .hero-badge {
    margin: 0 auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.1rem;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .nav-inner {
    position: relative;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: 20px;
    flex-direction: column;
    gap: 12px;
    box-shadow: 0 15px 35px rgba(238, 82, 83, 0.2);
    z-index: 100;
  }
  .nav-links.active {
    display: flex;
    animation: fadeInDown 0.3s ease-out forwards;
  }
  .article-container {
    padding: 25px 20px;
  }
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }
}

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