/* 
 * 皇冠娱乐城 - 主样式表
 * 独特配色：深紫色 + 金色 + 渐变效果
 * 移动优先响应式设计
 */

/* CSS变量定义 */
:root {
  --primary-purple: #2d1b4e;
  --secondary-purple: #4a2c7a;
  --accent-gold: #d4af37;
  --light-gold: #f4e4bc;
  --dark-bg: #1a0f2e;
  --card-bg: #3d2266;
  --text-light: #f8f5ff;
  --text-muted: #b8a8d4;
  --success-green: #2ecc71;
  --warning-orange: #e67e22;
  --gradient-main: linear-gradient(135deg, #2d1b4e 0%, #4a2c7a 50%, #6b3fa0 100%);
  --gradient-gold: linear-gradient(135deg, #d4af37 0%, #f4e4bc 50%, #d4af37 100%);
  --shadow-soft: 0 4px 20px rgba(45, 27, 78, 0.3);
  --shadow-gold: 0 4px 15px rgba(212, 175, 55, 0.4);
  --border-radius: 12px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 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: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans CJK SC', sans-serif;
  background: var(--dark-bg);
  color: var(--text-light);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--light-gold);
}

/* 图片响应式 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 容器 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* 头部导航 - 非sticky */
.site-header {
  background: var(--gradient-main);
  padding: 12px 0;
  border-bottom: 2px solid var(--accent-gold);
  position: relative;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  width: 48px;
  height: 48px;
  border-radius: 8px;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-gold);
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

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

.main-nav.active {
  display: flex;
  flex-direction: column;
  width: 100%;
  background: var(--secondary-purple);
  border-radius: var(--border-radius);
  padding: 12px;
  margin-top: 8px;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-item a {
  display: block;
  padding: 10px 16px;
  color: var(--text-light);
  border-radius: 8px;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.nav-item a:hover,
.nav-item a.active {
  background: var(--accent-gold);
  color: var(--primary-purple);
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
}

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

/* CTA按钮 */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  background: var(--gradient-gold);
  color: var(--primary-purple);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-gold);
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.6);
  color: var(--primary-purple);
}

/* Hero区域 */
.hero-section {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 16px;
  background: var(--gradient-main);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(212, 175, 55, 0.2);
  border: 1px solid var(--accent-gold);
  border-radius: 50px;
  color: var(--accent-gold);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.2;
  text-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

.hero-title span {
  color: var(--accent-gold);
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

/* 面包屑导航 */
.breadcrumb {
  padding: 16px 0;
  background: var(--secondary-purple);
}

.breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.9rem;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-item::after {
  content: '›';
  color: var(--text-muted);
}

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

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

.breadcrumb-item.current {
  color: var(--accent-gold);
}

/* 章节通用样式 */
.section {
  padding: 50px 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(212, 175, 55, 0.15);
  border-radius: 20px;
  color: var(--accent-gold);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* 游戏卡片网格 */
.games-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.game-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
  border: 1px solid rgba(212, 175, 55, 0.1);
}

.game-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-gold);
}

.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-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 10px;
  background: var(--accent-gold);
  color: var(--primary-purple);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
}

.game-card-body {
  padding: 16px;
}

.game-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 8px;
}

.game-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.game-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

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

/* 特色功能区 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-box {
  background: var(--card-bg);
  padding: 24px;
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid rgba(212, 175, 55, 0.1);
  transition: var(--transition-smooth);
}

.feature-box:hover {
  border-color: var(--accent-gold);
}

.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  background: var(--gradient-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon img {
  width: 32px;
  height: 32px;
}

.feature-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 8px;
}

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

/* 奖金促销区 */
.promo-banner {
  background: var(--gradient-gold);
  border-radius: var(--border-radius);
  padding: 30px 20px;
  text-align: center;
  margin: 30px 0;
}

.promo-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-purple);
  margin-bottom: 10px;
}

.promo-desc {
  color: var(--secondary-purple);
  font-size: 1rem;
  margin-bottom: 20px;
}

/* 支付方式 */
.payment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.payment-item {
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid rgba(212, 175, 55, 0.1);
}

.payment-item img {
  width: 48px;
  height: 48px;
  margin: 0 auto 10px;
}

.payment-name {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 500;
}

/* 用户评论 */
.reviews-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.review-card {
  background: var(--card-bg);
  padding: 24px;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--accent-gold);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-purple);
}

.review-info h4 {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 2px;
}

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

.review-stars {
  color: var(--accent-gold);
  font-size: 1rem;
  margin-bottom: 10px;
}

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

.review-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 10px;
  opacity: 0.7;
}

/* FAQ区域 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.faq-question {
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-smooth);
}

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

.faq-icon {
  font-size: 1.5rem;
  color: var(--accent-gold);
  transition: var(--transition-smooth);
}

.faq-item.active .faq-icon {
  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 20px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* 关于我们 */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.about-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.9;
}

.about-text p {
  margin-bottom: 16px;
}

.about-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

/* 牌照区域 */
.license-box {
  background: var(--card-bg);
  padding: 30px;
  border-radius: var(--border-radius);
  text-align: center;
  border: 2px solid var(--accent-gold);
}

.license-badge {
  width: 120px;
  height: auto;
  margin: 0 auto 20px;
}

.license-title {
  font-size: 1.3rem;
  color: var(--accent-gold);
  margin-bottom: 10px;
}

.license-number {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.license-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 客户支持 */
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.support-item {
  background: var(--card-bg);
  padding: 24px;
  border-radius: var(--border-radius);
  text-align: center;
}

.support-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 12px;
}

.support-title {
  font-size: 1rem;
  color: var(--text-light);
  font-weight: 600;
  margin-bottom: 6px;
}

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

/* 负责任博彩 */
.responsible-box {
  background: linear-gradient(135deg, #1a3a2e 0%, #2d5a4a 100%);
  padding: 30px;
  border-radius: var(--border-radius);
  border: 1px solid #3d7a6a;
}

.responsible-title {
  font-size: 1.3rem;
  color: var(--success-green);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.responsible-content {
  color: #a8d4c8;
  font-size: 0.95rem;
  line-height: 1.8;
}

.responsible-content ul {
  list-style: none;
  margin-top: 16px;
}

.responsible-content li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
}

.responsible-content li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success-green);
}

/* 页脚 */
.site-footer {
  background: var(--primary-purple);
  padding: 50px 0 20px;
  border-top: 2px solid var(--accent-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.footer-section h3 {
  font-size: 1.1rem;
  color: var(--accent-gold);
  margin-bottom: 16px;
  font-weight: 600;
}

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

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

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

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

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--card-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.footer-social a:hover {
  background: var(--accent-gold);
}

.footer-social img {
  width: 20px;
  height: 20px;
}

.footer-payments {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.footer-payments img {
  height: 30px;
  width: auto;
}

.footer-bottom {
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  padding-top: 20px;
  text-align: center;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 16px;
}

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

.age-restriction {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(231, 76, 60, 0.2);
  border: 1px solid #e74c3c;
  border-radius: 8px;
  color: #e74c3c;
  font-weight: 600;
  margin-bottom: 16px;
}

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

/* 内页样式 */
.page-hero {
  background: var(--gradient-main);
  padding: 60px 16px;
  text-align: center;
}

.page-title {
  font-size: 2rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.page-desc {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

.content-section {
  padding: 40px 0;
}

.content-box {
  background: var(--card-bg);
  padding: 30px;
  border-radius: var(--border-radius);
  margin-bottom: 30px;
}

.content-title {
  font-size: 1.5rem;
  color: var(--accent-gold);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(212, 175, 55, 0.3);
}

.content-text {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.9;
}

.content-text p {
  margin-bottom: 16px;
}

.content-text h3 {
  color: var(--text-light);
  font-size: 1.2rem;
  margin: 24px 0 12px;
}

.content-text ul, .content-text ol {
  margin: 16px 0;
  padding-left: 24px;
}

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

.content-image {
  border-radius: var(--border-radius);
  margin: 20px 0;
  overflow: hidden;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.info-table th,
.info-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.info-table th {
  background: var(--secondary-purple);
  color: var(--accent-gold);
  font-weight: 600;
}

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

/* APP下载页面 */
.app-hero {
  background: var(--gradient-main);
  padding: 60px 16px;
  text-align: center;
}

.app-mockup {
  max-width: 280px;
  margin: 30px auto;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.download-btns {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  margin-top: 30px;
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  border: 2px solid var(--accent-gold);
  min-width: 200px;
  transition: var(--transition-smooth);
}

.download-btn:hover {
  background: var(--accent-gold);
  color: var(--primary-purple);
}

.download-btn img {
  width: 32px;
  height: 32px;
}

.download-btn span {
  font-weight: 600;
}

.app-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 40px;
}

.app-feature {
  background: var(--card-bg);
  padding: 24px;
  border-radius: var(--border-radius);
  text-align: center;
}

.app-feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  background: var(--gradient-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 作者信息 */
.author-box {
  background: var(--card-bg);
  padding: 24px;
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  margin: 30px 0;
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--accent-gold);
}

.author-name {
  font-size: 1.1rem;
  color: var(--text-light);
  font-weight: 600;
}

.author-title {
  font-size: 0.9rem;
  color: var(--accent-gold);
}

.author-bio {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* 响应式设计 - 平板 */
@media (min-width: 600px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-btns {
    flex-direction: row;
  }
  
  .games-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .payment-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .support-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .download-btns {
    flex-direction: row;
    justify-content: center;
  }
  
  .app-features {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .author-box {
    flex-direction: row;
    text-align: left;
  }
}

/* 响应式设计 - 桌面 */
@media (min-width: 992px) {
  .menu-toggle {
    display: none;
  }
  
  .main-nav {
    display: flex;
    width: auto;
    background: transparent;
    padding: 0;
    margin: 0;
  }
  
  .nav-list {
    flex-direction: row;
    gap: 4px;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .games-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .payment-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .about-content {
    flex-direction: row;
    align-items: center;
  }
  
  .about-text {
    flex: 1;
  }
  
  .about-image {
    flex: 0 0 400px;
  }
  
  .app-features {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

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

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

/* 工具类 */
.text-center {
  text-align: center;
}

.text-gold {
  color: var(--accent-gold);
}

.mt-20 {
  margin-top: 20px;
}

.mb-20 {
  margin-bottom: 20px;
}

.hidden {
  display: none;
}

/* 懒加载图片占位 */
img[loading="lazy"] {
  background: var(--card-bg);
}