@charset "UTF-8";
/* 开元棋牌 - 独特紫金主题设计 */
:root {
  --clr-primary: #2d1b69;
  --clr-primary-light: #4a2c8a;
  --clr-accent: #d4a017;
  --clr-accent-light: #f0c040;
  --clr-bg-dark: #0e0a1a;
  --clr-bg-card: #1a1230;
  --clr-bg-section: #140f26;
  --clr-text: #e8e0f0;
  --clr-text-muted: #a89cc0;
  --clr-border: #3a2d5c;
  --clr-success: #2ecc71;
  --clr-danger: #e74c3c;
  --clr-star: #f1c40f;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-heading: "PingFang SC", "STHeiti", "Microsoft YaHei", sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(45,27,105,0.3);
  --shadow-glow: 0 0 20px rgba(212,160,23,0.25);
  --max-width: 1200px;
  --transition: all 0.3s ease;
}
*, *::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-main);
  background: var(--clr-bg-dark);
  color: var(--clr-text);
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--clr-accent-light); }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--clr-accent); line-height: 1.3; margin-bottom: 0.6em; }
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h2 { font-size: clamp(1.3rem, 3vw, 1.9rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
p { margin-bottom: 1em; }
ul, ol { padding-left: 1.5em; margin-bottom: 1em; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 16px; }

/* 顶部导航 - 非sticky */
.site-header {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-bg-dark) 100%);
  border-bottom: 2px solid var(--clr-accent);
  position: relative;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo-wrap { display: flex; align-items: center; gap: 10px; }
.logo-wrap img { width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--clr-accent); }
.logo-wrap span { font-size: 1.1rem; font-weight: 700; color: var(--clr-accent); white-space: nowrap; }
.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--clr-accent);
  color: var(--clr-accent);
  font-size: 1.5rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.main-nav { display: flex; align-items: center; gap: 0; }
.main-nav a {
  display: block;
  padding: 10px 14px;
  color: var(--clr-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active { color: var(--clr-accent); background: rgba(212,160,23,0.1); }
.cta-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--clr-accent) 0%, #b8860b 100%);
  color: #1a0e00 !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(212,160,23,0.5); color: #1a0e00 !important; }

/* 面包屑 */
.breadcrumb {
  padding: 12px 0;
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}
.breadcrumb a { color: var(--clr-accent); }
.breadcrumb span { margin: 0 6px; }

/* Hero区域 */
.hero-section {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(14,10,26,0.92) 0%, rgba(14,10,26,0.6) 50%, rgba(14,10,26,0.3) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 60px 16px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.hero-content h1 { font-size: clamp(1.8rem, 5vw, 3rem); margin-bottom: 16px; text-shadow: 0 2px 10px rgba(0,0,0,0.5); }
.hero-content p { font-size: 1.05rem; max-width: 600px; margin-bottom: 24px; color: var(--clr-text); }

/* 通用区块 */
.section { padding: 50px 0; }
.section-alt { background: var(--clr-bg-section); }
.section-title {
  text-align: center;
  margin-bottom: 36px;
  position: relative;
  padding-bottom: 14px;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent-light));
  border-radius: 2px;
}

/* 游戏卡片网格 */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.game-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: var(--clr-accent); }
.game-card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; }
.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(1.05); }
.game-card-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.game-card-body h3 { font-size: 1.1rem; margin-bottom: 8px; }
.game-card-body p { font-size: 0.9rem; color: var(--clr-text-muted); flex: 1; }
.game-card-footer { padding: 0 18px 18px; }

/* 视频模块 */
.video-module {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
  cursor: pointer;
}
.video-module img { width: 100%; display: block; }
.play-btn-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  transition: var(--transition);
}
.play-btn-overlay:hover { background: rgba(0,0,0,0.15); }
.play-icon {
  width: 72px;
  height: 72px;
  background: rgba(212,160,23,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(212,160,23,0.5);
  transition: var(--transition);
}
.play-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 24px;
  border-color: transparent transparent transparent #1a0e00;
  margin-left: 4px;
}
.video-module:hover .play-icon { transform: scale(1.1); }

/* 评论模块 */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: var(--transition);
}
.review-card:hover { border-color: var(--clr-accent); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-accent);
  flex-shrink: 0;
}
.review-meta { flex: 1; }
.review-name { font-weight: 600; font-size: 0.95rem; }
.review-city { font-size: 0.8rem; color: var(--clr-text-muted); }
.review-stars { color: var(--clr-star); font-size: 0.9rem; letter-spacing: 2px; margin-bottom: 8px; }
.review-text { font-size: 0.9rem; color: var(--clr-text-muted); line-height: 1.6; }
.review-date { font-size: 0.78rem; color: var(--clr-text-muted); margin-top: 10px; opacity: 0.7; }

/* FAQ模块 */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--clr-bg-card);
}
.faq-question {
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  user-select: none;
}
.faq-question:hover { color: var(--clr-accent); }
.faq-arrow { transition: transform 0.3s ease; font-size: 1.2rem; color: var(--clr-accent); }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding: 0 20px;
}
.faq-item.open .faq-answer { max-height: 500px; padding: 0 20px 16px; }
.faq-answer p { font-size: 0.9rem; color: var(--clr-text-muted); }

/* 作者信息 */
.author-box {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 30px 0;
}
.author-box img { width: 80px; height: 80px; border-radius: 50%; border: 3px solid var(--clr-accent); flex-shrink: 0; }
.author-info h4 { color: var(--clr-accent); margin-bottom: 4px; }
.author-info .author-title { font-size: 0.85rem; color: var(--clr-text-muted); margin-bottom: 8px; }
.author-info p { font-size: 0.9rem; }

/* 支付方式 */
.payment-section { text-align: center; }
.payment-icons { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: 20px; }
.payment-icon {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-text);
  transition: var(--transition);
}
.payment-icon.highlight { border-color: var(--clr-accent); color: var(--clr-accent); background: rgba(212,160,23,0.08); }
.payment-icon:hover { border-color: var(--clr-accent); transform: translateY(-2px); }

/* 牌照区域 */
.license-section {
  text-align: center;
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-bg-dark) 100%);
  padding: 50px 16px;
  border-radius: var(--radius-lg);
  margin: 30px auto;
  max-width: 900px;
}
.license-section img { max-width: 400px; margin: 20px auto; border-radius: var(--radius-md); box-shadow: var(--shadow-card); }

/* 客服区域 */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.support-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.support-card:hover { border-color: var(--clr-accent); transform: translateY(-4px); }
.support-card-icon { font-size: 2.2rem; margin-bottom: 12px; }
.support-card h4 { font-size: 1rem; margin-bottom: 8px; }
.support-card p { font-size: 0.85rem; color: var(--clr-text-muted); }

/* 页脚 */
.site-footer {
  background: linear-gradient(180deg, var(--clr-bg-section) 0%, #080510 100%);
  border-top: 2px solid var(--clr-border);
  padding: 40px 0 20px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer-col h4 { font-size: 0.95rem; color: var(--clr-accent); margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--clr-border); }
.footer-col a { display: block; padding: 4px 0; font-size: 0.85rem; color: var(--clr-text-muted); }
.footer-col a:hover { color: var(--clr-accent); padding-left: 4px; }
.footer-col p { font-size: 0.83rem; color: var(--clr-text-muted); }
.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}
.footer-bottom .age-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.footer-bottom .age-badge img { width: 36px; height: 36px; border-radius: 50%; }
.footer-social { display: flex; justify-content: center; gap: 16px; margin: 14px 0; }
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  font-size: 1rem;
  transition: var(--transition);
}
.footer-social a:hover { border-color: var(--clr-accent); color: var(--clr-accent); }

/* 关于我们 */
.about-content { max-width: 800px; margin: 0 auto; }
.about-content p { text-indent: 2em; margin-bottom: 1.2em; }

/* 负责任声明 */
.responsible-box {
  background: linear-gradient(135deg, rgba(231,76,60,0.08), rgba(231,76,60,0.02));
  border: 1px solid rgba(231,76,60,0.3);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 24px 0;
}
.responsible-box h3 { color: var(--clr-danger); }

/* 活动横幅 */
.promo-banner {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 20px 0;
  box-shadow: var(--shadow-card);
}
.promo-banner img { width: 100%; display: block; }

/* 内页样式 */
.page-hero {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-bg-dark) 100%);
  padding: 40px 0;
  text-align: center;
}
.content-article { max-width: 800px; margin: 0 auto; padding: 30px 16px; }
.content-article h2 { border-left: 4px solid var(--clr-accent); padding-left: 14px; margin: 30px 0 16px; }
.content-article img { border-radius: var(--radius-md); margin: 20px 0; box-shadow: var(--shadow-card); }
.content-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.9rem;
}
.content-article table th, .content-article table td {
  padding: 12px 16px;
  border: 1px solid var(--clr-border);
  text-align: left;
}
.content-article table th { background: var(--clr-primary); color: var(--clr-accent); font-weight: 600; }
.content-article table td { background: var(--clr-bg-card); }

/* APP下载页 */
.download-hero {
  text-align: center;
  padding: 60px 16px;
  background: linear-gradient(135deg, var(--clr-primary) 0%, #1a0e3a 50%, var(--clr-bg-dark) 100%);
}
.download-hero img { max-width: 300px; margin: 30px auto; filter: drop-shadow(0 10px 30px rgba(212,160,23,0.3)); }
.download-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: 24px; }
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  border: 2px solid transparent;
}
.dl-btn-ios { background: #000; color: #fff; }
.dl-btn-ios:hover { background: #222; color: #fff; }
.dl-btn-android { background: var(--clr-accent); color: #1a0e00; }
.dl-btn-android:hover { background: var(--clr-accent-light); color: #1a0e00; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}
.feature-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover { border-color: var(--clr-accent); }
.feature-card-icon { font-size: 2.4rem; margin-bottom: 12px; }

/* 移动端响应式 */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--clr-bg-dark);
    border-bottom: 2px solid var(--clr-accent);
    flex-direction: column;
    padding: 10px 0;
    z-index: 999;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 20px; border-bottom: 1px solid var(--clr-border); }
  .hero-content { padding: 40px 16px; }
  .hero-section { min-height: 320px; }
  .games-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .author-box { flex-direction: column; align-items: center; text-align: center; }
  .support-grid { grid-template-columns: 1fr; }
  .download-hero img { max-width: 220px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .header-inner { padding: 10px 12px; }
  .logo-wrap span { font-size: 0.95rem; }
  .section { padding: 30px 0; }
}

/* 动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* 滚动条 */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--clr-bg-dark); }
::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary-light); }