/* ============================================================
   Teen Patti Master - 全局通用样式表 (Global Stylesheet)
   ============================================================ */

/* 1. CSS 变量定义 (蓝紫色调主题) */
:root {
  --bg-dark: #0B081A;          /* 深紫黑背景（原深绿背景） */
  --bg-card: #140F2E;          /* 紫色卡片背景（原深绿卡片背景） */
  --bg-alt: #080514;           /* 深色交替背景（原深绿交替背景） */
  --purple-primary: #7C3AED;   /* 极光紫 (替换原绿按钮/主主题色) */
  --purple-hover: #6D28D9;     /* 悬浮紫 (替换原绿按钮悬浮) */
  --gold: #F3C649;             /* 主金黄色 (强 CTA 按钮与视觉焦点) */
  --gold-hover: #D4A338;       /* 悬浮金黄色 */
  --blue-glow: #3B82F6;        /* 辅助电光蓝 (链接/高亮) */
  --text-white: #FFFFFF;       /* 主文本 */
  --text-muted: rgba(255, 255, 255, 0.7); /* 弱化文本 */
  --border-line: rgba(124, 58, 237, 0.25);/* 紫色微光边框线 */
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-white);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--gold);
  font-family: monospace;
}

/* 2. 通用布局容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 60px 0;
}

.section-alt {
  background-color: var(--bg-alt);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

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

/* 标题统一样式 */
.sec-hd {
  text-align: center;
  margin-bottom: 40px;
}

.sec-lbl {
  color: var(--gold);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 8px;
}

.sec-hd h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.sec-hd p {
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto;
  font-size: 1rem;
}

/* 3. 按钮 (Buttons) 规范 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-gold {
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-hover) 100%);
  color: #000 !important;
  box-shadow: 0 4px 16px rgba(243, 198, 73, 0.25);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(243, 198, 73, 0.4);
}

.btn-white {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-white);
  border: 1px solid var(--border-line);
}

.btn-white:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn-green {
  background: var(--green-btn);
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 8px 18px;
  font-size: 0.88rem;
}

.btn-green:hover {
  background: var(--green-btn-hover);
}

/* 4. 顶栏与导航 (Header & Navigation) */
.topbar {
  background: linear-gradient(90deg, #2E1065 0%, #0F0A1C 100%);
  color: #DDD6FE;
  font-size: 0.82rem;
  padding: 8px 16px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.topbar strong {
  color: var(--gold);
}

.nav {
  background: rgba(11, 8, 26, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-line);
}

.nav-in {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
}

.nav-logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-logo .s {
  color: var(--gold);
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold);
}

.nav-cta {
  background: var(--gold);
  color: #000 !important;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem !important;
}

/* 桌面语言选择器下拉 */
.lang {
  position: relative;
  font-size: 0.85rem;
  cursor: pointer;
}

.lang summary {
  color: var(--text-muted);
  list-style: none;
  padding: 4px 10px;
  border: 1px solid var(--border-line);
  border-radius: 4px;
}

.lang-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 6px;
  padding: 8px 0;
  margin-top: 6px;
  min-width: 120px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.5);
}

.lang-menu a {
  display: block;
  padding: 6px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.lang-menu a:hover,
.lang-menu a.cur {
  color: var(--gold);
  background: rgba(255,255,255,0.05);
}

/* 移动端汉堡按钮 */
.nav-tog {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.nav-tog span {
  width: 22px;
  height: 2px;
  background-color: var(--text-white);
  border-radius: 2px;
}

/* 移动端下拉菜单补丁 */
.nav-mob {
  display: none;
  background: var(--bg-card);
  padding: 12px 24px 20px;
  border-bottom: 1px solid var(--border-line);
}

.nav-mob.open {
  display: block;
}

.nav-mob a {
  display: block;
  color: rgba(255, 255, 255, 0.8) !important;
  padding: 10px 0;
  font-size: 0.92rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-mob a:hover, .nav-mob a.active {
  color: var(--gold) !important;
}

.nav-mob .nav-mob-lang {
  display: block;
  color: rgba(255, 255, 255, 0.5) !important;
  font-size: 0.75rem;
  text-transform: uppercase;
  padding: 16px 0 6px;
}

.nav-mob-lang-links {
  display: flex;
  gap: 16px;
}

.nav-mob-lang-links a {
  border-bottom: none !important;
  padding: 4px 0;
  font-size: 0.88rem;
}

/* 5. Hero 区域 */
.hero {
  background: radial-gradient(circle at 50% 20%, #2E1065 0%, var(--bg-dark) 70%);
  padding: 65px 0 55px;
  text-align: center;
  border-bottom: 1px solid var(--border-line);
  position: relative;
  overflow: hidden;
}

.hero-suits {
  font-size: 1.5rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 10px;
  opacity: 0.8;
}

.hero-lbl {
  display: inline-block;
  background: rgba(243, 198, 73, 0.15);
  color: var(--gold);
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 16px;
  border: 1px solid rgba(243, 198, 73, 0.3);
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero h1 em {
  font-style: normal;
  display: block;
  color: var(--gold);
  font-size: 2rem;
  margin-top: 6px;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 720px;
  margin: 0 auto 32px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-stat {
  background: rgba(20, 15, 46, 0.6);
  border: 1px solid var(--border-line);
  padding: 16px;
  border-radius: 10px;
}

.hero-stat strong {
  display: block;
  font-size: 1.4rem;
  color: var(--gold);
}

.hero-stat span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 6. 表格 (Table Specs) */
.tbl-wrap {
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid var(--border-line);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  text-align: left;
  font-size: 0.95rem;
}

th, td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-line);
}

th {
  background-color: #1E1A3A;
  color: var(--gold);
  padding: 14px 16px;
  font-weight: 700;
  border-bottom: 1px solid var(--border-line);
}

/* 7. 子频道 Pillar 导流卡片 */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.pillar {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 12px;
  padding: 28px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pillar:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}

.pillar-suit {
  font-size: 2rem;
  color: var(--gold);
  margin-bottom: 10px;
}

.pillar h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.pillar p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.pillar-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.tag {
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 4px;
  color: var(--text-muted);
}

.pillar-link {
  color: var(--gold);
  font-weight: 700;
  font-size: 0.9rem;
}

/* 8. 图文长内容与侧边栏布局 (Content & Sidebar) */
.content-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

.cb h2 {
  font-size: 1.6rem;
  color: var(--text-white);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--gold);
}

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

.cb p, .cb li {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 16px;
}

.cb ol, .cb ul {
  padding-left: 20px;
  margin-bottom: 24px;
}

.cb li {
  margin-bottom: 10px;
}

.cb strong {
  color: var(--text-white);
}

.tip {
  background: rgba(243, 198, 73, 0.08);
  border-left: 4px solid var(--gold);
  padding: 16px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* 扑克手牌渲染样式 (Poker Ranks) */
.ranks {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.rank {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  padding: 16px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.rank-n {
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--gold);
  width: 24px;
}

.rank-cards {
  display: flex;
  gap: 6px;
}

.mc {
  background: #FFF;
  color: #000;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 4px 8px;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.mc.r {
  color: #D32F2F;
}

.rank-info .rank-name {
  font-weight: 700;
  color: var(--text-white);
  font-size: 0.95rem;
}

.rank-info .rank-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 侧边栏 (Sidebar Box) */
.side-box {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  padding: 24px;
  border-radius: 10px;
  margin-bottom: 24px;
}

.side-box h2 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--gold);
}

.side-box p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.side-box ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border-line);
  font-size: 0.88rem;
}

.side-box ul li a {
  color: var(--text-muted);
}

.side-box ul li a:hover {
  color: var(--gold);
}

/* 9. FAQ 手风琴样式 */
.faq-wrap {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-q {
  padding: 18px 20px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
}

.faq-q .ic {
  font-size: 1.2rem;
  color: var(--gold);
  font-weight: 400;
}

.faq-a {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: all 0.3s ease;
}

.faq-a.open {
  padding: 0 20px 18px;
  max-height: 500px;
}

/* 10. 责任竞技提示条 (Responsible Gaming Bar) */
.rg-bar {
  margin-top: 40px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--border-line);
  padding: 16px 20px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.rg-bar a {
  color: var(--gold);
  text-decoration: underline;
}

/* 11. 页脚 (Footer) */
.footer {
  background: #05030A;
  border-top: 1px solid var(--border-line);
  padding: 50px 0 30px;
  font-size: 0.88rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer-brand {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 12px;
}

.footer-about {
  color: var(--text-muted);
  font-size: 0.85rem;
  max-width: 320px;
}

.footer-col h2 {
  font-size: 0.95rem;
  color: var(--text-white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-col ul li a {
  color: var(--text-muted);
}

.footer-col ul li a:hover {
  color: var(--gold);
}

.footer-btm {
  border-top: 1px solid var(--border-line);
  padding-top: 24px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-suits {
  color: var(--gold);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.legal {
  margin-top: 6px;
  opacity: 0.6;
}

/* 12. 响应式适配 (Media Queries) */
@media (max-width: 992px) {
  .content-wrap {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .lang {
    display: none;
  }
  .nav-tog {
    display: flex;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero h1 em {
    font-size: 1.4rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.cta-box {
  background: linear-gradient(135deg, #2E1065 0%, #140F2E 100%);
  border: 1px solid var(--purple-primary);
  border-radius: 20px;
  padding: 45px 24px;
  box-shadow: 0 0 35px rgba(124, 58, 237, 0.25);
}