/* 
 * c7娱乐 - 主样式表
 * 独特的深紫金配色方案 - 2026年设计风格
 * 移动端优先响应式设计
 */

/* CSS变量定义 */
:root {
  --primary-gold: #d4af37;
  --primary-purple: #2d1b4e;
  --secondary-purple: #4a2c7a;
  --accent-magenta: #8b2f6a;
  --dark-bg: #0f0a1a;
  --card-bg: #1a1028;
  --text-light: #f5f0e8;
  --text-muted: #a89bc2;
  --success-green: #28a745;
  --warning-orange: #ff9500;
  --border-glow: rgba(212, 175, 55, 0.3);
  --shadow-purple: rgba(45, 27, 78, 0.5);
  --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f4d03f 50%, #d4af37 100%);
  --gradient-purple: linear-gradient(180deg, #2d1b4e 0%, #1a1028 100%);
  --font-primary: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --font-display: 'Noto Serif SC', 'SimSun', serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  background: var(--gradient-purple);
  background-attachment: fixed;
  color: var(--text-light);
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 图片优化 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 链接样式 */
a {
  color: var(--primary-gold);
  text-decoration: none;
  transition: var(--transition-smooth);
}

a:hover {
  color: #f4d03f;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

/* 容器 */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 头部导航 - 非sticky */
.site-header {
  background: linear-gradient(180deg, rgba(15, 10, 26, 0.98) 0%, rgba(26, 16, 40, 0.95) 100%);
  border-bottom: 2px solid var(--border-glow);
  padding: 15px 0;
  position: relative;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-logo img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--primary-gold);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}

.site-logo h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

/* 主导航 */
.main-nav {
  display: none;
}

.main-nav.active {
  display: flex;
  flex-direction: column;
  width: 100%;
  background: var(--card-bg);
  border-radius: var(--border-radius-md);
  padding: 20px;
  margin-top: 15px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.main-nav a {
  display: block;
  padding: 12px 20px;
  color: var(--text-light);
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid transparent;
  transition: var(--transition-smooth);
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(212, 175, 55, 0.2);
  border-color: var(--primary-gold);
  color: var(--primary-gold);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  background: transparent;
  border: 2px solid var(--primary-gold);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.mobile-menu-btn span {
  width: 28px;
  height: 3px;
  background: var(--primary-gold);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.mobile-menu-btn:hover {
  background: rgba(212, 175, 55, 0.1);
}

/* CTA按钮 */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--gradient-gold);
  color: var(--primary-purple);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.4);
  transition: var(--transition-smooth);
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.6);
  color: var(--primary-purple);
}

.cta-btn-secondary {
  background: transparent;
  border: 2px solid var(--primary-gold);
  color: var(--primary-gold);
  box-shadow: none;
}

.cta-btn-secondary:hover {
  background: rgba(212, 175, 55, 0.15);
  color: var(--primary-gold);
}

/* Hero区域 */
.hero-section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: 60px 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 10, 26, 0.7) 0%, rgba(45, 27, 78, 0.9) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(212, 175, 55, 0.2);
  border: 1px solid var(--primary-gold);
  border-radius: 50px;
  color: var(--primary-gold);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 25px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.4); }
  50% { box-shadow: 0 0 0 15px rgba(212, 175, 55, 0); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 25px;
  background: linear-gradient(135deg, #fff 0%, var(--primary-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--text-muted);
  margin-bottom: 35px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: center;
}

/* 面包屑导航 */
.breadcrumb {
  padding: 15px 0;
  background: rgba(26, 16, 40, 0.8);
  border-bottom: 1px solid var(--border-glow);
}

.breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-size: 0.9rem;
}

.breadcrumb-list li::after {
  content: '›';
  margin-left: 10px;
  color: var(--text-muted);
}

.breadcrumb-list li:last-child::after {
  display: none;
}

.breadcrumb-list a {
  color: var(--text-muted);
}

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

.breadcrumb-list .current {
  color: var(--primary-gold);
}

/* 内容区块 */
.content-section {
  padding: 60px 0;
}

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

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(139, 47, 106, 0.3);
  border-radius: 50px;
  color: var(--accent-magenta);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-light);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* 游戏卡片网格 */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.game-card {
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid rgba(212, 175, 55, 0.15);
  transition: var(--transition-smooth);
  position: relative;
}

.game-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-gold);
  box-shadow: 0 20px 50px rgba(212, 175, 55, 0.2);
}

.game-card-img {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.game-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.game-card:hover .game-card-img img {
  transform: scale(1.08);
}

.game-card-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  padding: 6px 14px;
  background: var(--accent-magenta);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50px;
  text-transform: uppercase;
}

.game-card-content {
  padding: 25px;
}

.game-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-light);
}

.game-card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.game-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 15px;
  border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.game-rtp {
  font-size: 0.85rem;
  color: var(--success-green);
  font-weight: 600;
}

.game-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-gold);
  font-weight: 600;
  font-size: 0.9rem;
}

/* 特色区块 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-item {
  background: linear-gradient(145deg, var(--card-bg) 0%, rgba(45, 27, 78, 0.5) 100%);
  padding: 35px 30px;
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.1);
  text-align: center;
  transition: var(--transition-smooth);
}

.feature-item:hover {
  border-color: var(--primary-gold);
  transform: translateY(-5px);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 25px;
  background: rgba(212, 175, 55, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--primary-gold);
}

.feature-icon img {
  width: 45px;
  height: 45px;
  object-fit: contain;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-light);
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 关于我们 */
.about-section {
  background: linear-gradient(135deg, rgba(45, 27, 78, 0.6) 0%, rgba(26, 16, 40, 0.8) 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.about-content h3 {
  font-size: 1.5rem;
  color: var(--primary-gold);
  margin-bottom: 20px;
}

.about-content p {
  margin-bottom: 20px;
  color: var(--text-muted);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.stat-item {
  text-align: center;
  padding: 25px 15px;
  background: rgba(212, 175, 55, 0.08);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(212, 175, 55, 0.15);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-gold);
  display: block;
  margin-bottom: 8px;
}

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

/* 支付方式 */
.payment-section {
  background: var(--card-bg);
  padding: 50px 0;
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.payment-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 25px 20px;
  border-radius: var(--border-radius-md);
  text-align: center;
  border: 1px solid rgba(212, 175, 55, 0.1);
  transition: var(--transition-smooth);
}

.payment-item:hover {
  border-color: var(--primary-gold);
  background: rgba(212, 175, 55, 0.08);
}

.payment-item img {
  height: 40px;
  margin: 0 auto 15px;
  object-fit: contain;
}

.payment-item span {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* 用户评论 */
.reviews-section {
  padding: 70px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.review-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.1);
  position: relative;
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  right: 25px;
  font-size: 5rem;
  font-family: Georgia, serif;
  color: rgba(212, 175, 55, 0.15);
  line-height: 1;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.review-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-purple);
}

.review-author {
  flex: 1;
}

.review-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-light);
}

.review-location {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.review-rating {
  display: flex;
  gap: 4px;
  margin-bottom: 15px;
}

.star {
  color: var(--primary-gold);
  font-size: 1.2rem;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 15px;
}

.review-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0.7;
}

/* FAQ区域 */
.faq-section {
  background: linear-gradient(180deg, var(--dark-bg) 0%, var(--card-bg) 100%);
  padding: 70px 0;
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border-radius: var(--border-radius-md);
  margin-bottom: 15px;
  border: 1px solid rgba(212, 175, 55, 0.1);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 25px 30px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
  font-family: var(--font-primary);
}

.faq-question:hover {
  color: var(--primary-gold);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--primary-gold);
  transition: var(--transition-smooth);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 30px 25px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* 牌照区域 */
.license-section {
  padding: 60px 0;
  background: rgba(45, 27, 78, 0.4);
}

.license-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 30px;
}

.license-badge {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 3px solid var(--primary-gold);
  padding: 10px;
  background: var(--card-bg);
}

.license-badge img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
}

.license-info h3 {
  font-size: 1.5rem;
  color: var(--primary-gold);
  margin-bottom: 15px;
}

.license-info p {
  color: var(--text-muted);
  margin-bottom: 10px;
}

.license-number {
  font-family: monospace;
  font-size: 1.1rem;
  color: var(--text-light);
  background: rgba(212, 175, 55, 0.1);
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  display: inline-block;
  margin-top: 15px;
}

/* 负责任博彩 */
.responsible-gaming {
  background: linear-gradient(135deg, rgba(139, 47, 106, 0.2) 0%, rgba(45, 27, 78, 0.4) 100%);
  padding: 60px 0;
}

.responsible-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.responsible-content h2 {
  font-size: 1.8rem;
  color: var(--primary-gold);
  margin-bottom: 25px;
}

.responsible-content p {
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.8;
}

.responsible-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-top: 30px;
}

.responsible-links a {
  padding: 12px 25px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--primary-gold);
  border-radius: var(--border-radius-sm);
  color: var(--primary-gold);
  font-weight: 500;
}

.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #c0392b;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 800;
  margin: 30px auto 0;
}

/* 页脚 */
.site-footer {
  background: linear-gradient(180deg, var(--card-bg) 0%, #0a0612 100%);
  padding: 60px 0 30px;
  border-top: 2px solid var(--border-glow);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 50px;
}

.footer-section h4 {
  font-size: 1.1rem;
  color: var(--primary-gold);
  margin-bottom: 25px;
  font-weight: 700;
}

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

.footer-section li {
  margin-bottom: 12px;
}

.footer-section a {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.footer-section a:hover {
  color: var(--primary-gold);
  padding-left: 5px;
}

.footer-contact p {
  color: var(--text-muted);
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.footer-social {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.footer-social a {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--primary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-gold);
  font-size: 1.2rem;
  transition: var(--transition-smooth);
}

.footer-social a:hover {
  background: var(--primary-gold);
  color: var(--primary-purple);
}

.footer-bottom {
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  padding-top: 30px;
  text-align: center;
}

.footer-payment {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 25px;
}

.footer-payment img {
  height: 35px;
  opacity: 0.7;
  transition: var(--transition-smooth);
}

.footer-payment img:hover {
  opacity: 1;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.footer-legal a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.85rem;
  opacity: 0.7;
}

/* 文章内容样式 */
.article-content {
  max-width: 900px;
  margin: 0 auto;
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--primary-gold);
  margin: 50px 0 25px;
  padding-bottom: 15px;
  border-bottom: 2px solid rgba(212, 175, 55, 0.2);
}

.article-content h3 {
  font-size: 1.4rem;
  color: var(--text-light);
  margin: 35px 0 20px;
}

.article-content p {
  margin-bottom: 20px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.article-content ul,
.article-content ol {
  margin: 20px 0;
  padding-left: 25px;
  color: var(--text-muted);
}

.article-content li {
  margin-bottom: 12px;
  line-height: 1.7;
}

.article-content blockquote {
  margin: 30px 0;
  padding: 25px 30px;
  background: rgba(212, 175, 55, 0.08);
  border-left: 4px solid var(--primary-gold);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  font-style: italic;
  color: var(--text-light);
}

.article-content table {
  width: 100%;
  margin: 30px 0;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.article-content th,
.article-content td {
  padding: 15px 20px;
  text-align: left;
  border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.article-content th {
  background: rgba(212, 175, 55, 0.15);
  color: var(--primary-gold);
  font-weight: 600;
}

.article-content td {
  color: var(--text-muted);
}

/* 作者信息 */
.author-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 35px;
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.15);
  margin: 50px 0;
  text-align: center;
}

.author-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 3px solid var(--primary-gold);
  overflow: hidden;
  background: var(--gradient-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--primary-purple);
  font-weight: 700;
}

.author-info h4 {
  font-size: 1.3rem;
  color: var(--text-light);
  margin-bottom: 8px;
}

.author-title {
  color: var(--primary-gold);
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.author-bio {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 标签页面 */
.tags-section {
  padding: 60px 0;
}

.tags-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.tag-item {
  padding: 12px 25px;
  background: var(--card-bg);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 50px;
  color: var(--text-light);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.tag-item:hover {
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--primary-gold);
  color: var(--primary-gold);
  transform: translateY(-3px);
}

/* APP下载页面 */
.app-section {
  padding: 80px 0;
}

.app-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 50px;
  align-items: center;
}

.app-info h2 {
  font-size: 2rem;
  color: var(--text-light);
  margin-bottom: 25px;
}

.app-info p {
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.8;
}

.app-features {
  list-style: none;
  margin: 30px 0;
}

.app-features li {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
  color: var(--text-muted);
}

.app-features li::before {
  content: '✓';
  width: 28px;
  height: 28px;
  background: rgba(40, 167, 69, 0.2);
  color: var(--success-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.app-buttons {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 30px;
}

.app-mockup {
  text-align: center;
}

.app-mockup img {
  max-width: 350px;
  margin: 0 auto;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

/* 响应式设计 - 平板 */
@media (min-width: 768px) {
  .main-nav {
    display: flex;
  }
  
  .main-nav ul {
    flex-direction: row;
    gap: 8px;
  }
  
  .main-nav a {
    padding: 10px 18px;
    background: transparent;
  }
  
  .mobile-menu-btn {
    display: none;
  }
  
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
  
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .license-content {
    flex-direction: row;
    text-align: left;
  }
  
  .author-box {
    flex-direction: row;
    text-align: left;
  }
  
  .app-content {
    grid-template-columns: 1fr 1fr;
  }
  
  .app-buttons {
    flex-direction: row;
  }
}

/* 响应式设计 - 桌面 */
@media (min-width: 1024px) {
  .site-logo img {
    width: 70px;
    height: 70px;
  }
  
  .site-logo h1 {
    font-size: 1.8rem;
  }
  
  .main-nav a {
    padding: 12px 22px;
  }
  
  .hero-section {
    min-height: 80vh;
  }
  
  .games-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .stat-number {
    font-size: 3rem;
  }
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

/* 懒加载图片占位 */
img[loading="lazy"] {
  background: linear-gradient(90deg, var(--card-bg) 0%, rgba(212, 175, 55, 0.1) 50%, var(--card-bg) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* 打印样式 */
@media print {
  .site-header,
  .site-footer,
  .cta-btn {
    display: none;
  }
  
  body {
    background: #fff;
    color: #000;
  }
}