/* PG电子游艺网站 - 全新紫金渐变风格 */
/* 2026年SEO优化 - 移动端优先设计 */

:root {
  --primary-gradient: linear-gradient(135deg, #6B21A8 0%, #9333EA 50%, #C026D3 100%);
  --secondary-gradient: linear-gradient(180deg, #1E1B4B 0%, #312E81 100%);
  --accent-gold: #F59E0B;
  --accent-gold-light: #FBBF24;
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --bg-dark: #0F0A1E;
  --bg-card: rgba(49, 46, 129, 0.6);
  --border-glow: rgba(147, 51, 234, 0.5);
  --success-green: #10B981;
  --warning-red: #EF4444;
}

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

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

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans CJK SC', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 通用容器 */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* 顶部导航 - 非sticky */
.site-header {
  background: var(--secondary-gradient);
  border-bottom: 2px solid var(--border-glow);
  padding: 0.75rem 0;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-area img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(147, 51, 234, 0.6);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--text-primary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--primary-gradient);
  box-shadow: 0 4px 15px rgba(147, 51, 234, 0.4);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent-gold), #D97706);
  color: #1E1B4B !important;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.6);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  background: var(--primary-gradient);
  border: none;
  padding: 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  color: white;
  font-size: 1.25rem;
}

/* 英雄区域 */
.hero-section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: var(--secondary-gradient);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 3rem 1rem;
}

.hero-title {
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.hero-title span {
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-light), var(--accent-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin: 0 auto 2rem;
}

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

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(147, 51, 234, 0.5);
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 35px rgba(147, 51, 234, 0.7);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--accent-gold);
  color: var(--bg-dark);
}

/* 面包屑导航 */
.breadcrumb {
  padding: 1rem 0;
  background: rgba(30, 27, 75, 0.8);
}

.breadcrumb-list {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.breadcrumb-list li::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--text-secondary);
}

.breadcrumb-list li:last-child::after {
  content: '';
}

.breadcrumb-list a {
  color: var(--accent-gold);
  text-decoration: none;
}

.breadcrumb-list span {
  color: var(--text-secondary);
}

/* 内容区块 */
.section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--secondary-gradient);
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--primary-gradient);
  margin: 1rem auto 0;
  border-radius: 2px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 3rem;
}

/* 游戏卡片网格 */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.game-card {
  background: var(--bg-card);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-glow);
  transition: all 0.4s ease;
}

.game-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(147, 51, 234, 0.3);
  border-color: var(--accent-gold);
}

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

.game-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.game-card:hover .game-card-img img {
  transform: scale(1.1);
}

.game-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--accent-gold);
  color: var(--bg-dark);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
}

.game-card-content {
  padding: 1.5rem;
}

.game-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--accent-gold);
}

.game-card-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.game-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid rgba(147, 51, 234, 0.3);
}

.rtp-badge {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success-green);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.game-card-btn {
  background: var(--primary-gradient);
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.game-card-btn:hover {
  box-shadow: 0 4px 15px rgba(147, 51, 234, 0.5);
}

/* 特色功能区 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 20px;
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

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

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--accent-gold);
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* 关于我们 */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h3 {
  font-size: 1.5rem;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: 15px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-gold);
}

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

/* 支付方式 */
.payment-section {
  background: var(--secondary-gradient);
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.payment-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  border: 1px solid var(--border-glow);
}

.payment-card.featured {
  border-color: var(--accent-gold);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.1));
}

.payment-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.payment-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.payment-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* FAQ区域 */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border-radius: 15px;
  margin-bottom: 1rem;
  border: 1px solid var(--border-glow);
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1.1rem;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent-gold);
  transition: transform 0.3s ease;
}

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

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem;
  max-height: 500px;
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 用户评论 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.review-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border-glow);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

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

.review-info h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

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

.review-stars {
  color: var(--accent-gold);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.review-content {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 1rem;
}

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

/* 牌照区域 */
.license-section {
  text-align: center;
  padding: 3rem;
  background: var(--bg-card);
  border-radius: 20px;
  margin: 2rem 0;
}

.license-badge {
  display: inline-block;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(217, 119, 6, 0.1));
  border: 2px solid var(--accent-gold);
  border-radius: 15px;
  margin-bottom: 1.5rem;
}

.license-badge img {
  height: 60px;
}

.license-info h3 {
  font-size: 1.25rem;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

.license-info p {
  color: var(--text-secondary);
}

/* 客服支持 */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.support-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  border: 1px solid var(--border-glow);
  transition: all 0.3s ease;
}

.support-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-5px);
}

.support-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.support-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.support-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* 负责任博彩 */
.responsible-section {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.05));
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 20px;
  padding: 2rem;
  margin: 2rem 0;
}

.responsible-title {
  color: var(--warning-red);
  font-size: 1.25rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.responsible-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.responsible-item h4 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.responsible-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* 页脚 */
.site-footer {
  background: linear-gradient(180deg, #0F0A1E 0%, #1E1B4B 100%);
  padding: 4rem 0 2rem;
  border-top: 2px solid var(--border-glow);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--accent-gold);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--accent-gold);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

.footer-social a {
  width: 45px;
  height: 45px;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid var(--border-glow);
}

.footer-social a:hover {
  background: var(--primary-gradient);
  border-color: transparent;
}

.footer-payment {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.footer-payment img {
  height: 30px;
  border-radius: 5px;
}

.footer-bottom {
  border-top: 1px solid var(--border-glow);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.age-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--warning-red);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 700;
  margin-top: 1rem;
}

/* 内页样式 */
.page-header {
  background: var(--secondary-gradient);
  padding: 3rem 0;
  text-align: center;
}

.page-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.page-desc {
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

.content-section {
  padding: 3rem 0;
}

.content-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
}

.main-content {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border-glow);
}

.main-content h2 {
  color: var(--accent-gold);
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
}

.main-content h2:first-child {
  margin-top: 0;
}

.main-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.main-content ul,
.main-content ol {
  color: var(--text-secondary);
  margin: 1rem 0 1rem 1.5rem;
}

.main-content li {
  margin-bottom: 0.5rem;
}

.main-content img {
  max-width: 100%;
  border-radius: 15px;
  margin: 1.5rem 0;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-widget {
  background: var(--bg-card);
  padding: 1.5rem;
  border-radius: 15px;
  border: 1px solid var(--border-glow);
}

.sidebar-widget h3 {
  color: var(--accent-gold);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-glow);
}

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

.sidebar-links li {
  margin-bottom: 0.75rem;
}

.sidebar-links a {
  color: var(--text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
}

.sidebar-links a:hover {
  color: var(--accent-gold);
}

.sidebar-links a::before {
  content: '▸';
  color: var(--accent-gold);
}

/* APP下载页面 */
.app-hero {
  background: var(--secondary-gradient);
  padding: 4rem 0;
}

.app-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.app-info h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1.5rem;
}

.app-info h1 span {
  color: var(--accent-gold);
}

.app-info p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.app-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.app-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-secondary);
}

.app-feature-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 2px solid var(--border-glow);
  padding: 1rem 1.5rem;
  border-radius: 15px;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.download-btn:hover {
  border-color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.1);
}

.download-btn-icon {
  font-size: 2rem;
}

.download-btn-text small {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.download-btn-text span {
  font-size: 1.1rem;
  font-weight: 700;
}

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

.app-preview img {
  max-width: 100%;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* 表格样式 */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.info-table th,
.info-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-glow);
}

.info-table th {
  background: rgba(147, 51, 234, 0.2);
  color: var(--accent-gold);
  font-weight: 600;
}

.info-table td {
  color: var(--text-secondary);
}

.info-table tr:hover td {
  background: rgba(147, 51, 234, 0.1);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .content-wrapper {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .sidebar-widget {
    flex: 1;
    min-width: 250px;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .app-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .app-preview {
    order: -1;
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 15px;
    margin-top: 1rem;
  }
  
  .main-nav.active {
    display: flex;
  }
  
  .main-nav a {
    padding: 1rem;
    text-align: center;
  }
  
  .nav-wrapper {
    flex-wrap: wrap;
  }
  
  .hero-section {
    min-height: 60vh;
  }
  
  .section {
    padding: 2.5rem 0;
  }
  
  .games-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .app-features {
    grid-template-columns: 1fr;
  }
  
  .download-btns {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 0.75rem;
  }
  
  .logo-text {
    font-size: 1.25rem;
  }
  
  .hero-btns {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .payment-grid {
    grid-template-columns: 1fr;
  }
  
  .support-grid {
    grid-template-columns: 1fr;
  }
}

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

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4);
  }
  50% {
    box-shadow: 0 0 0 15px rgba(245, 158, 11, 0);
  }
}

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

.animate-pulse {
  animation: pulse 2s infinite;
}

/* 懒加载图片占位 */
img[loading="lazy"] {
  background: linear-gradient(90deg, var(--bg-card) 25%, rgba(147, 51, 234, 0.1) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
}

/* 打印样式 */
@media print {
  .site-header,
  .site-footer,
  .cta-btn,
  .mobile-menu-btn {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
}