/* ============================================
   全局样式 - 深红金主题博彩网站
   独特配色：深红 #8B0000 + 金色 #D4AF37 + 深灰 #1a1a2e
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=ZCOOL+XiaoWei&display=swap');

:root {
  --clr-primary: #8B0000;
  --clr-primary-light: #b22222;
  --clr-gold: #D4AF37;
  --clr-gold-light: #f0d060;
  --clr-dark: #0d0d1a;
  --clr-dark-alt: #1a1a2e;
  --clr-surface: #16213e;
  --clr-surface-alt: #1f2b47;
  --clr-text: #e8e8e8;
  --clr-text-muted: #9ca3af;
  --clr-accent: #ff6b35;
  --clr-success: #22c55e;
  --clr-warning: #eab308;
  --font-main: 'Noto Sans SC', sans-serif;
  --font-display: 'ZCOOL XiaoWei', serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 20px rgba(212,175,55,0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::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-dark);
  color: var(--clr-text);
  line-height: 1.75;
  overflow-x: hidden;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-gold); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--clr-gold-light); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--clr-gold);
  line-height: 1.3;
  margin-bottom: 0.6em;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

p { margin-bottom: 1em; color: var(--clr-text); }

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

/* ========== 顶部导航 ========== */
.site-header {
  background: linear-gradient(180deg, var(--clr-dark) 0%, var(--clr-dark-alt) 100%);
  border-bottom: 2px solid var(--clr-gold);
  padding: 12px 0;
  position: relative;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.site-logo { display: flex; align-items: center; gap: 10px; }
.site-logo img { height: 48px; width: auto; border-radius: var(--radius-sm); }
.site-logo span { font-family: var(--font-display); font-size: 1.4rem; color: var(--clr-gold); font-weight: 700; }

.main-nav { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.main-nav a {
  display: inline-block;
  padding: 8px 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 {
  background: var(--clr-primary);
  color: #fff;
}

.mobile-toggle {
  display: none;
  background: var(--clr-primary);
  color: #fff;
  border: none;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 1.2rem;
  cursor: pointer;
}

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

/* ========== Hero区域 ========== */
.hero-section {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-primary) 50%, var(--clr-dark-alt) 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 60px 20px;
  max-width: 800px;
  margin: 0 auto;
}
.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: #fff;
  text-shadow: 0 2px 20px rgba(0,0,0,0.6);
  margin-bottom: 16px;
}
.hero-content p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 24px;
}

/* ========== CTA按钮 ========== */
.btn-cta {
  display: inline-block;
  padding: 14px 36px;
  background: linear-gradient(135deg, var(--clr-gold) 0%, var(--clr-accent) 100%);
  color: #000;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 20px rgba(212,175,55,0.4);
}
.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212,175,55,0.6);
  color: #000;
}
.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  background: transparent;
  color: var(--clr-gold);
  border: 2px solid var(--clr-gold);
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-secondary:hover {
  background: var(--clr-gold);
  color: #000;
}

/* ========== 视频模块 ========== */
.video-section {
  padding: 50px 0;
  background: var(--clr-dark-alt);
}
.video-wrapper {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 16/9;
  background: #000;
  cursor: pointer;
}
.video-wrapper img { width: 100%; height: 100%; object-fit: cover; }
.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(212,175,55,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.video-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 16px 0 16px 28px;
  border-color: transparent transparent transparent #000;
  margin-left: 4px;
}
.video-wrapper:hover .video-play-btn {
  transform: translate(-50%, -50%) scale(1.1);
  background: var(--clr-gold);
}
.video-wrapper video { width: 100%; height: 100%; object-fit: cover; }

/* ========== 通用Section ========== */
.section {
  padding: 50px 0;
}
.section-alt {
  background: var(--clr-dark-alt);
}
.section-title {
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}
.section-title h2 {
  display: inline-block;
  position: relative;
  padding-bottom: 12px;
}
.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-gold), var(--clr-accent));
  border-radius: 2px;
}
.section-title p {
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 12px auto 0;
}

/* ========== 游戏卡片网格 ========== */
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.game-card {
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid rgba(212,175,55,0.15);
}
.game-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  border-color: var(--clr-gold);
}
.game-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.game-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.game-card:hover .game-card-img img { transform: scale(1.05); }
.game-card-body { padding: 18px; }
.game-card-body h3 { font-size: 1.1rem; margin-bottom: 8px; }
.game-card-body p { font-size: 0.9rem; color: var(--clr-text-muted); margin-bottom: 14px; }

/* ========== 充值活动 ========== */
.promo-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 20px 0;
}
.promo-banner img { width: 100%; }
.promo-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.5);
  padding: 20px;
  text-align: center;
}
.promo-overlay h2 { color: var(--clr-gold-light); font-size: clamp(1.6rem, 4vw, 2.6rem); }
.promo-overlay p { color: #fff; font-size: 1.1rem; margin-bottom: 16px; }

/* ========== 比赛模块 ========== */
.tournament-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.tournament-card {
  background: linear-gradient(145deg, var(--clr-surface) 0%, var(--clr-surface-alt) 100%);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(212,175,55,0.2);
  transition: var(--transition);
}
.tournament-card:hover {
  border-color: var(--clr-gold);
  box-shadow: var(--shadow-glow);
}
.tournament-card-img { aspect-ratio: 16/9; overflow: hidden; }
.tournament-card-img img { width: 100%; height: 100%; object-fit: cover; }
.tournament-card-body { padding: 20px; }
.tournament-card-body h3 { color: var(--clr-gold); }
.tournament-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 10px 0;
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}
.tournament-meta span { display: flex; align-items: center; gap: 4px; }

/* ========== 文章模块 ========== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.article-card {
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid transparent;
}
.article-card:hover {
  border-color: var(--clr-primary-light);
  transform: translateY(-4px);
}
.article-card-img { aspect-ratio: 16/9; overflow: hidden; }
.article-card-img img { width: 100%; height: 100%; object-fit: cover; }
.article-card-body { padding: 18px; }
.article-card-body h3 { font-size: 1rem; color: var(--clr-text); }
.article-card-body .article-date { font-size: 0.8rem; color: var(--clr-text-muted); margin-bottom: 8px; }

/* ========== 作者信息 ========== */
.author-box {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--clr-surface);
  padding: 24px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--clr-gold);
  margin: 30px 0;
}
.author-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 3px solid var(--clr-gold);
}
.author-avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-info h4 { color: var(--clr-gold); margin-bottom: 4px; }
.author-info .author-title { font-size: 0.85rem; color: var(--clr-text-muted); margin-bottom: 8px; }

/* ========== 用户评论 ========== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.review-card {
  background: var(--clr-surface);
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(212,175,55,0.1);
}
.review-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}
.review-user { display: flex; align-items: center; gap: 10px; }
.review-user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-gold));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}
.review-user-info h4 { font-size: 0.95rem; color: var(--clr-text); margin-bottom: 2px; font-family: var(--font-main); }
.review-user-info span { font-size: 0.75rem; color: var(--clr-text-muted); }
.review-stars { color: var(--clr-gold); font-size: 0.9rem; letter-spacing: 2px; }
.review-content { font-size: 0.9rem; line-height: 1.7; color: var(--clr-text); }
.review-date { font-size: 0.75rem; color: var(--clr-text-muted); margin-top: 10px; }
.review-vip {
  display: inline-block;
  background: linear-gradient(135deg, var(--clr-gold), var(--clr-accent));
  color: #000;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 700;
  margin-left: 6px;
}

/* ========== FAQ ========== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--clr-surface);
  margin-bottom: 12px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(212,175,55,0.1);
}
.faq-question {
  padding: 18px 22px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--clr-text);
  transition: var(--transition);
}
.faq-question:hover { color: var(--clr-gold); }
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--clr-gold);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 10px;
}
.faq-item.active .faq-question::after { content: '−'; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding: 0 22px;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 22px 18px;
}

/* ========== 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-surface);
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--clr-text);
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}
.payment-icon:hover {
  border-color: var(--clr-gold);
  color: var(--clr-gold);
}

/* ========== 牌照模块 ========== */
.license-section {
  background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-surface) 100%);
  padding: 50px 0;
}
.license-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.license-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.license-text h3 { color: var(--clr-gold); }

/* ========== 客户支持 ========== */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.support-card {
  background: var(--clr-surface);
  padding: 28px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: var(--transition);
  border: 1px solid transparent;
}
.support-card:hover {
  border-color: var(--clr-gold);
  transform: translateY(-4px);
}
.support-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-gold));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

/* ========== 关于我们 ========== */
.about-section { padding: 50px 0; }
.about-content {
  max-width: 900px;
  margin: 0 auto;
}
.about-content p {
  text-indent: 2em;
  margin-bottom: 1.2em;
  line-height: 1.85;
}

/* ========== 负责任博彩 ========== */
.responsible-section {
  background: var(--clr-surface);
  padding: 40px 0;
  border-top: 2px solid var(--clr-primary);
}
.responsible-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.responsible-item {
  text-align: center;
  padding: 20px;
}
.responsible-item .icon {
  font-size: 2.4rem;
  margin-bottom: 10px;
}
.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border: 3px solid var(--clr-primary);
  border-radius: 50%;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--clr-primary);
  margin: 0 auto 10px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: linear-gradient(180deg, var(--clr-dark-alt) 0%, #000 100%);
  padding: 50px 0 20px;
  border-top: 2px solid var(--clr-gold);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer-col h4 {
  color: var(--clr-gold);
  font-size: 1rem;
  margin-bottom: 16px;
  font-family: var(--font-main);
  font-weight: 700;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: var(--clr-text-muted); font-size: 0.9rem; }
.footer-col ul li a:hover { color: var(--clr-gold); }
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--clr-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text);
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--clr-gold);
  color: #000;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}
.footer-payment {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 16px 0;
}
.footer-payment span {
  background: var(--clr-surface);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}

/* ========== 内页样式 ========== */
.page-hero {
  padding: 40px 0;
  background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-primary) 100%);
  text-align: center;
}
.page-hero h1 { color: #fff; }

.content-section {
  padding: 40px 0;
}
.content-section article {
  max-width: 900px;
  margin: 0 auto;
}
.content-section article p {
  text-indent: 2em;
  line-height: 1.85;
  margin-bottom: 1.2em;
}
.content-section article h2 {
  margin-top: 2em;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--clr-gold);
}
.content-section article h3 {
  margin-top: 1.5em;
  color: var(--clr-gold-light);
}
.content-img {
  margin: 24px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.info-table th, .info-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.info-table th {
  background: var(--clr-primary);
  color: #fff;
  font-weight: 600;
}
.info-table tr:hover { background: rgba(212,175,55,0.05); }

/* ========== APP下载页 ========== */
.app-hero {
  padding: 60px 0;
  background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-primary) 50%, var(--clr-dark-alt) 100%);
}
.app-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.app-phone { text-align: center; }
.app-phone img {
  max-height: 500px;
  margin: 0 auto;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5));
}
.app-features {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}
.app-feature-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--clr-surface);
  padding: 16px;
  border-radius: var(--radius-md);
}
.app-feature-icon {
  width: 40px;
  height: 40px;
  background: var(--clr-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}
.download-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--clr-surface);
  border: 2px solid var(--clr-gold);
  border-radius: var(--radius-md);
  color: var(--clr-text);
  font-weight: 600;
  transition: var(--transition);
}
.download-btn:hover {
  background: var(--clr-gold);
  color: #000;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; width: 100%; background: var(--clr-dark-alt); padding: 10px; border-radius: var(--radius-md); }
  .main-nav.active { display: flex; }
  .main-nav a { padding: 12px 16px; width: 100%; }
  .mobile-toggle { display: block; }
  .hero-section { min-height: 320px; }
  .hero-content { padding: 40px 16px; }
  .license-content { grid-template-columns: 1fr; }
  .app-content { grid-template-columns: 1fr; text-align: center; }
  .app-phone { order: -1; }
  .game-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .tournament-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
  .author-box { flex-direction: column; align-items: center; text-align: center; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  html { font-size: 14px; }
  .game-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .download-btns { flex-direction: column; }
  .support-grid { grid-template-columns: 1fr 1fr; }
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }