/* ACG动漫acg官网 - 全新现代动漫风格 */
:root {
  /* 全新配色方案 - 深色科技风 */
  --primary: #ff6b9d;
  --secondary: #4ecdc4;
  --accent: #45b7d1;
  --warning: #f9ca24;
  --success: #6c5ce7;
  --danger: #fd79a8;
  
  /* 背景色系 */
  --bg-primary: #0a0e27;
  --bg-secondary: #1a1f3a;
  --bg-tertiary: #2d3142;
  --bg-card: #1e2332;
  --bg-glass: rgba(30, 35, 50, 0.8);
  
  /* 文字色系 */
  --text-primary: #ffffff;
  --text-secondary: #b8c5d1;
  --text-muted: #8b9dc3;
  --text-accent: #ff6b9d;
  
  /* 特效 */
  --glow-primary: 0 0 20px rgba(255, 107, 157, 0.3);
  --glow-secondary: 0 0 20px rgba(78, 205, 196, 0.3);
  --glow-accent: 0 0 20px rgba(69, 183, 209, 0.3);
  --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-hard: 0 4px 16px rgba(0, 0, 0, 0.5);
  
  /* 尺寸 */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  /* 动画 */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* 字体 */
  --font-primary: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-accent: 'Poppins', 'Noto Sans SC', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* 背景动画效果 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255, 107, 157, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(78, 205, 196, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(69, 183, 209, 0.1) 0%, transparent 50%);
  z-index: -1;
  animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* 导航栏 - 全新玻璃拟态设计 */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-normal);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.5rem;
  transition: var(--transition-fast);
}

.nav-logo img {
  height: 50px;
  border-radius: var(--radius-md);
  box-shadow: var(--glow-primary);
  transition: var(--transition-normal);
}

.nav-logo:hover img {
  transform: scale(1.05);
  box-shadow: var(--glow-primary), var(--shadow-soft);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  position: relative;
}

.nav-menu a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: var(--transition-fast);
  transform: translateX(-50%);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
  width: 80%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-btn {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text-primary);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.nav-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--transition-slow);
}

.nav-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-primary), var(--shadow-hard);
}

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

.nav-search-btn,
.nav-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-search-btn:hover,
.nav-toggle:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* 主内容区域 */
main {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
}

/* 英雄区域 - 全新设计 */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-content-wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-family: var(--font-accent);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: textGlow 3s ease-in-out infinite alternate;
}

@keyframes textGlow {
  0% { filter: brightness(1); }
  100% { filter: brightness(1.2); }
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-btn {
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
}

.hero-btn-main {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text-primary);
  box-shadow: var(--glow-primary);
}

.hero-btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--primary);
  box-shadow: var(--glow-primary);
}

.hero-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--glow-primary), var(--shadow-hard);
}

.hero-btn-outline:hover {
  background: var(--primary);
  color: var(--text-primary);
}

/* 轮播图区域 */
.hero-visual {
  position: relative;
}

.hero-carousel {
  position: relative;
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: var(--transition-slow);
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.hero-slide.active img {
  transform: scale(1.05);
}

.hero-carousel-controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 1rem;
  transform: translateY(-50%);
  pointer-events: none;
}

.hero-carousel-prev,
.hero-carousel-next {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: none;
  color: var(--text-primary);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-fast);
  pointer-events: all;
  box-shadow: var(--shadow-soft);
}

.hero-carousel-prev:hover,
.hero-carousel-next:hover {
  background: var(--primary);
  transform: scale(1.1);
  box-shadow: var(--glow-primary);
}

.hero-carousel-indicators {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.hero-carousel-indicators span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.hero-carousel-indicators span.active {
  background: var(--primary);
  box-shadow: var(--glow-primary);
  transform: scale(1.2);
}

/* 内容区块 */
.platform-intro-section,
.feature-section,
.about-section,
.faq-section,
.review-section {
  padding: 4rem 0;
  max-width: 1400px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.platform-intro-inner,
.about-inner {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.platform-intro-inner h2,
.about-inner h2 {
  font-family: var(--font-accent);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.platform-intro-inner p,
.about-inner p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 特色功能区域 */
.feature-title-group,
.faq-title-group,
.review-title-group {
  text-align: center;
  margin-bottom: 3rem;
}

.feature-title-group h2,
.faq-title-group h2,
.review-title-group h2 {
  font-family: var(--font-accent);
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-title-group span,
.faq-title-group span,
.review-title-group span {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-item {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: var(--transition-normal);
}

.feature-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hard);
}

.feature-item:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-item h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-item p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 统计数据 */
.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.about-stat {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.about-stat:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

/* FAQ 区域 */
.faq-list {
  display: grid;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.faq-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  transition: var(--transition-normal);
}

.faq-card:hover {
  box-shadow: var(--shadow-soft);
}

.faq-q {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.faq-q:hover {
  background: rgba(255, 255, 255, 0.05);
}

.faq-q i {
  transition: var(--transition-fast);
}

.faq-card.active .faq-q i {
  transform: rotate(180deg);
}

.faq-a {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-normal);
  color: var(--text-secondary);
  background: var(--bg-tertiary);
}

.faq-card.active .faq-a {
  padding: 1.5rem;
  max-height: 200px;
}

/* 用户评价 */
.review-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.review-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-normal);
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.review-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.review-avatar img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  box-shadow: var(--glow-primary);
}

.review-content {
  flex: 1;
}

.review-stars {
  color: var(--warning);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.review-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.review-user {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

/* 友情链接 */
.friendship-links {
  background: var(--bg-secondary);
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.friendship-links .container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.friendship-links h3 {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.links-list {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.links-list a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
}

.links-list a:hover {
  color: var(--primary);
  background: rgba(255, 107, 157, 0.1);
}

/* 页脚 */
.footer-section {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3rem 0 1rem;
}

.footer-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand {
  max-width: 400px;
}

.footer-logo {
  font-family: var(--font-accent);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
  display: block;
}

.footer-brand p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: 50%;
  text-decoration: none;
  transition: var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social a:hover {
  background: var(--primary);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--glow-primary);
}

.footer-links h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}

/* 返回顶部按钮 */
.back2top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text-primary);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-soft);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.back2top:hover {
  transform: translateY(-3px) scale(1.1);
  box-shadow: var(--glow-primary), var(--shadow-hard);
}

.back2top.show {
  display: flex;
}

/* 搜索模态框 */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.search-modal.active {
  display: flex;
}

.search-modal-box {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-hard);
}

.search-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.search-modal-header h3 {
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
}

.search-modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-modal-close:hover {
  color: var(--text-primary);
}

.search-modal-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.search-modal-form input {
  flex: 1;
  padding: 1rem;
  background: var(--bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
}

.search-modal-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(255, 107, 157, 0.2);
}

.search-modal-form button {
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text-primary);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.search-modal-form button:hover {
  transform: scale(1.05);
  box-shadow: var(--glow-primary);
}

.search-modal-tags {
  color: var(--text-secondary);
}

.search-modal-tags span {
  margin-right: 1rem;
}

.search-modal-tags a {
  color: var(--primary);
  text-decoration: none;
  margin-right: 1rem;
  transition: var(--transition-fast);
}

.search-modal-tags a:hover {
  color: var(--secondary);
}

/* 移动端菜单 */
.menu-drawer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1500;
  display: none;
}

.menu-drawer.active {
  display: block;
}

.drawer-panel {
  position: absolute;
  right: 0;
  top: 0;
  width: 300px;
  height: 100%;
  background: var(--bg-card);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

.drawer-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  align-self: flex-end;
  margin-bottom: 2rem;
  transition: var(--transition-fast);
}

.drawer-close:hover {
  color: var(--text-primary);
}

.menu-drawer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.menu-drawer a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.menu-drawer a:hover,
.menu-drawer a.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .hero-content-wrap {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-inner {
    padding: 0 1rem;
  }
  
  .nav-menu {
    display: none;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .hero-content-wrap,
  .platform-intro-section,
  .feature-section,
  .about-section,
  .faq-section,
  .review-section {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  .platform-intro-inner,
  .about-inner {
    padding: 2rem;
  }
  
  .feature-list {
    grid-template-columns: 1fr;
  }
  
  .review-list {
    grid-template-columns: 1fr;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero-btns {
    justify-content: center;
  }
  
  .hero-btn {
    flex: 1;
    min-width: 200px;
  }
}

@media (max-width: 480px) {
  .nav-inner {
    height: 70px;
  }
  
  .nav-logo a {
    font-size: 1.2rem;
  }
  
  .nav-logo img {
    height: 40px;
  }
  
  main {
    margin-top: 70px;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-content p {
    font-size: 1rem;
  }
  
  .hero-carousel {
    height: 250px;
  }
  
  .platform-intro-inner,
  .about-inner {
    padding: 1.5rem;
  }
  
  .feature-item,
  .review-card {
    padding: 1.5rem;
  }
  
  .drawer-panel {
    width: 100%;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}

/* 选择文本样式 */
::selection {
  background: var(--primary);
  color: var(--text-primary);
}

::-moz-selection {
  background: var(--primary);
  color: var(--text-primary);
}