/* ============================================================
   复古街机风 - Neon Metropolis Style
   主色调: 午夜黑#0A0A0A | 复古街机洋红#FF1744 | 复古街机青#00E676
   深空蓝#FFD600 | 银灰#616161
   字体: VT323 (标题) + Press Start 2P (正文)
   ============================================================ */

/* === 字体引入 === */
@font-face {
  font-family: 'VT323';
  src: url('../fonts/VT323-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Press Start 2P';
  src: url('../fonts/PressStart2P-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* === CSS变量 === */
:root {
  --retrogame-midnight: #0A0A0A;
  --retrogame-magenta: #FF1744;
  --retrogame-cyan: #00E676;
  --retrogame-deepblue: #FFD600;
  --retrogame-silver: #616161;
  --retrogame-font-title: 'VT323', 'PingFang SC', sans-serif;
  --retrogame-font-body: 'Press Start 2P', 'Microsoft YaHei', sans-serif;
}

/* === 全局重置 === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  background-color: var(--retrogame-midnight);
  color: var(--retrogame-silver);
  font-family: var(--retrogame-font-body);
  font-size: 14px;
  line-height: 1.8;
  overflow-x: hidden;
  position: relative;
}

/* === 背景电路纹理 === */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0, 230, 118, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 230, 118, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* === 数据流瀑布动画背景 === */
#joystick-data-waterfall {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.06;
}

/* === 标题样式 === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--retrogame-font-title);
  color: var(--retrogame-cyan);
  line-height: 1.4;
  letter-spacing: 2px;
}

h1 {
  font-size: 52px;
  text-shadow: 0 0 20px rgba(0, 230, 118, 0.6), 0 0 40px rgba(0, 230, 118, 0.3);
}

h2 {
  font-size: 36px;
  text-shadow: 0 0 15px rgba(0, 230, 118, 0.5);
}

h3 {
  font-size: 28px;
  text-shadow: 0 0 10px rgba(0, 230, 118, 0.4);
}

h4 { font-size: 22px; }
h5 { font-size: 18px; }
h6 { font-size: 16px; }

a {
  color: var(--retrogame-cyan);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--retrogame-magenta);
  text-shadow: 0 0 10px rgba(255, 23, 68, 0.5);
}

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

/* === 导航栏 === */
.retrogame-nav-bar {
  position: relative;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--retrogame-magenta);
  box-shadow: 0 2px 20px rgba(255, 23, 68, 0.3);
  z-index: 1000;
  padding: 0 20px;
}

.retrogame-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

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

.retrogame-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 4px;
}

.retrogame-logo-text {
  font-family: var(--retrogame-font-title);
  font-size: 24px;
  color: var(--retrogame-cyan);
  text-shadow: 0 0 10px rgba(0, 230, 118, 0.5);
}

.retrogame-nav-links {
  display: flex;
  list-style: none;
  gap: 0;
}

.retrogame-nav-links li a {
  display: block;
  padding: 22px 16px;
  font-family: var(--retrogame-font-body);
  font-size: 11px;
  color: var(--retrogame-silver);
  transition: all 0.3s ease;
  position: relative;
  white-space: nowrap;
}

.retrogame-nav-links li a:hover,
.retrogame-nav-links li a.retrogame-active {
  color: var(--retrogame-cyan);
  text-shadow: 0 0 10px rgba(0, 230, 118, 0.5);
  background: rgba(0, 230, 118, 0.05);
}

.retrogame-nav-links li a.retrogame-active::after {
  content: '◆';
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 8px;
  color: var(--retrogame-magenta);
  animation: retrogame-neon-flicker 3s infinite;
}

/* 移动端菜单按钮 */
.retrogame-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.retrogame-menu-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--retrogame-cyan);
  box-shadow: 0 0 6px rgba(0, 230, 118, 0.5);
  transition: all 0.3s ease;
}

/* === 面包屑导航 === */
.retrogame-breadcrumb {
  max-width: 1400px;
  margin: 0 auto;
  padding: 15px 20px;
  font-size: 12px;
}

.retrogame-breadcrumb a {
  color: var(--retrogame-silver);
}

.retrogame-breadcrumb a:hover {
  color: var(--retrogame-cyan);
}

.retrogame-breadcrumb span {
  color: var(--retrogame-magenta);
  margin: 0 8px;
}

/* === Hero模块 === */
.retrogame-hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.retrogame-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.7);
  z-index: 1;
}

.retrogame-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 40px 20px;
}

.retrogame-hero-content h1 {
  margin-bottom: 20px;
  animation: retrogame-hologram-reveal 0.8s ease-out;
}

.retrogame-hero-subtitle {
  font-family: var(--retrogame-font-body);
  font-size: 14px;
  color: var(--retrogame-silver);
  margin-bottom: 25px;
  line-height: 2;
}

.retrogame-hero-statement {
  font-family: var(--retrogame-font-body);
  font-size: 13px;
  color: rgba(97, 97, 97, 0.9);
  line-height: 2.2;
  margin-bottom: 35px;
  text-align: left;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.retrogame-cta-group {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === 按钮样式 === */
.retrogame-btn-primary {
  display: inline-block;
  padding: 16px 36px;
  background: var(--retrogame-magenta);
  color: var(--retrogame-midnight);
  font-family: var(--retrogame-font-body);
  font-size: 12px;
  font-weight: bold;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
  min-width: 44px;
  min-height: 44px;
  position: relative;
  overflow: hidden;
}

.retrogame-btn-primary:hover {
  box-shadow: 0 0 20px rgba(255, 23, 68, 0.6), 0 0 40px rgba(255, 23, 68, 0.3);
  color: var(--retrogame-midnight);
  transform: translateY(-2px);
}

.retrogame-btn-secondary {
  display: inline-block;
  padding: 16px 36px;
  background: transparent;
  color: var(--retrogame-cyan);
  font-family: var(--retrogame-font-body);
  font-size: 12px;
  border: 2px solid var(--retrogame-cyan);
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 1px;
  min-width: 44px;
  min-height: 44px;
}

.retrogame-btn-secondary:hover {
  box-shadow: 0 0 20px rgba(0, 230, 118, 0.4), 0 0 40px rgba(0, 230, 118, 0.2);
  color: var(--retrogame-cyan);
  transform: translateY(-2px);
}

/* === 模块容器 === */
.retrogame-section {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 20px;
}

.retrogame-section-title {
  text-align: center;
  margin-bottom: 50px;
}

.retrogame-section-title h2 {
  margin-bottom: 15px;
}

.retrogame-section-desc {
  font-size: 13px;
  color: var(--retrogame-silver);
  max-width: 700px;
  margin: 0 auto;
  line-height: 2;
}

/* === 卡片网格 === */
.retrogame-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.retrogame-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.retrogame-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* === 游戏卡片 === */
.retrogame-game-card {
  background: rgba(10, 10, 10, 0.8);
  border: 1px solid rgba(0, 230, 118, 0.2);
  padding: 28px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.retrogame-game-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 230, 118, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.retrogame-game-card:hover {
  border-color: var(--retrogame-magenta);
  box-shadow: 0 0 25px rgba(255, 23, 68, 0.3), inset 0 0 25px rgba(255, 23, 68, 0.05);
  transform: translateY(-4px);
}

.retrogame-card-icon {
  font-size: 36px;
  margin-bottom: 15px;
  display: block;
}

.retrogame-card-title {
  font-family: var(--retrogame-font-title);
  font-size: 22px;
  color: var(--retrogame-cyan);
  margin-bottom: 10px;
}

.retrogame-card-status {
  font-size: 11px;
  color: var(--retrogame-magenta);
  margin-bottom: 5px;
}

.retrogame-card-players {
  font-size: 11px;
  color: var(--retrogame-silver);
  margin-bottom: 5px;
}

.retrogame-card-new {
  font-size: 11px;
  color: var(--retrogame-deepblue);
  margin-bottom: 15px;
}

.retrogame-card-btn {
  display: inline-block;
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--retrogame-cyan);
  color: var(--retrogame-cyan);
  font-family: var(--retrogame-font-body);
  font-size: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.retrogame-card-btn:hover {
  background: var(--retrogame-cyan);
  color: var(--retrogame-midnight);
  box-shadow: 0 0 15px rgba(0, 230, 118, 0.4);
}

/* === 试玩区模块 === */
.retrogame-trial-zone {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  background: rgba(10, 10, 10, 0.6);
  border: 1px solid rgba(0, 230, 118, 0.15);
  padding: 30px;
}

.retrogame-trial-list {
  list-style: none;
}

.retrogame-trial-list li {
  padding: 14px 18px;
  cursor: pointer;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
  font-size: 12px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.retrogame-trial-list li:hover,
.retrogame-trial-list li.retrogame-active-trial {
  border-left-color: var(--retrogame-magenta);
  background: rgba(255, 23, 68, 0.08);
  color: var(--retrogame-magenta);
}

.retrogame-trial-screen {
  border: 2px solid rgba(0, 230, 118, 0.3);
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.retrogame-trial-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* === 影院模块 === */
.retrogame-cinema-screen {
  background: rgba(10, 10, 10, 0.8);
  border: 2px solid rgba(0, 230, 118, 0.2);
  padding: 0;
  overflow: hidden;
  margin-bottom: 30px;
}

.retrogame-cinema-screen img {
  width: 100%;
  display: block;
}

.retrogame-cinema-playlist {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.retrogame-cinema-item {
  background: rgba(10, 10, 10, 0.6);
  border: 1px solid rgba(97, 97, 97, 0.3);
  padding: 18px;
  transition: all 0.3s ease;
}

.retrogame-cinema-item:hover {
  border-color: var(--retrogame-cyan);
  box-shadow: 0 0 15px rgba(0, 230, 118, 0.2);
}

/* === 注册模块 === */
.retrogame-register-zone {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.retrogame-form-group {
  margin-bottom: 20px;
}

.retrogame-form-input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(10, 10, 10, 0.8);
  border: none;
  border-bottom: 2px solid var(--retrogame-cyan);
  color: var(--retrogame-silver);
  font-family: var(--retrogame-font-body);
  font-size: 12px;
  transition: all 0.3s ease;
  min-height: 44px;
}

.retrogame-form-input:focus {
  outline: none;
  border-bottom-color: var(--retrogame-magenta);
  box-shadow: 0 2px 10px rgba(255, 23, 68, 0.3);
  animation: retrogame-neon-flicker 2s infinite;
}

/* === 首充模块 === */
.retrogame-deposit-billboard {
  background: linear-gradient(135deg, rgba(255, 23, 68, 0.1) 0%, rgba(10, 10, 10, 0.9) 100%);
  border: 2px solid var(--retrogame-magenta);
  box-shadow: 0 0 30px rgba(255, 23, 68, 0.2);
  padding: 50px;
  text-align: center;
}

.retrogame-deposit-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 30px;
}

.retrogame-deposit-plan {
  background: rgba(10, 10, 10, 0.7);
  border: 1px solid rgba(0, 230, 118, 0.2);
  padding: 30px;
  text-align: center;
  transition: all 0.3s ease;
}

.retrogame-deposit-plan:hover {
  border-color: var(--retrogame-deepblue);
  box-shadow: 0 0 20px rgba(255, 214, 0, 0.2);
  transform: translateY(-4px);
}

.retrogame-deposit-plan h4 {
  color: var(--retrogame-deepblue);
  margin-bottom: 15px;
}

/* === 活动广场 === */
.retrogame-event-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.retrogame-event-card {
  background: rgba(10, 10, 10, 0.7);
  border: 1px solid rgba(255, 23, 68, 0.2);
  padding: 28px;
  transition: all 0.3s ease;
  position: relative;
}

.retrogame-event-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--retrogame-magenta);
  box-shadow: 0 0 10px rgba(255, 23, 68, 0.5);
}

.retrogame-event-card:hover {
  border-color: var(--retrogame-magenta);
  box-shadow: 0 0 20px rgba(255, 23, 68, 0.2);
}

.retrogame-event-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 23, 68, 0.15);
  color: var(--retrogame-magenta);
  font-size: 10px;
  margin-bottom: 10px;
}

/* === VIP摩天楼 === */
.retrogame-vip-tower {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.retrogame-vip-levels {
  list-style: none;
}

.retrogame-vip-level-item {
  padding: 20px;
  border-left: 3px solid var(--retrogame-cyan);
  margin-bottom: 16px;
  background: rgba(10, 10, 10, 0.5);
  transition: all 0.3s ease;
  cursor: pointer;
}

.retrogame-vip-level-item:hover {
  border-left-color: var(--retrogame-magenta);
  background: rgba(255, 23, 68, 0.05);
  box-shadow: 0 0 15px rgba(255, 23, 68, 0.15);
}

.retrogame-vip-level-name {
  font-family: var(--retrogame-font-title);
  font-size: 20px;
  color: var(--retrogame-deepblue);
  margin-bottom: 8px;
}

/* === 安全认证模块 === */
.retrogame-security-zone {
  background: rgba(10, 10, 10, 0.6);
  border: 1px solid rgba(0, 230, 118, 0.15);
  padding: 50px;
}

.retrogame-security-badges {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.retrogame-badge {
  text-align: center;
  padding: 20px;
  border: 1px solid rgba(0, 230, 118, 0.2);
  min-width: 160px;
  transition: all 0.3s ease;
}

.retrogame-badge:hover {
  border-color: var(--retrogame-cyan);
  box-shadow: 0 0 20px rgba(0, 230, 118, 0.2);
}

.retrogame-badge-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 10px;
}

.retrogame-badge-name {
  font-family: var(--retrogame-font-title);
  font-size: 16px;
  color: var(--retrogame-cyan);
}

/* === 负责任博弈模块 === */
.retrogame-curfew-section {
  background: rgba(10, 10, 10, 0.9);
  border-top: 2px solid rgba(255, 23, 68, 0.3);
  padding: 50px 20px;
}

.retrogame-curfew-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 30px;
  align-items: start;
}

.retrogame-age-warning {
  font-family: var(--retrogame-font-title);
  font-size: 64px;
  color: var(--retrogame-magenta);
  text-shadow: 0 0 20px rgba(255, 23, 68, 0.5);
  text-align: center;
  line-height: 1;
}

.retrogame-curfew-text {
  font-size: 12px;
  line-height: 2.2;
  color: var(--retrogame-silver);
}

.retrogame-curfew-text p {
  margin-bottom: 15px;
}

/* === 页脚 === */
.retrogame-footer {
  background: rgba(5, 5, 5, 0.95);
  border-top: 1px solid rgba(0, 230, 118, 0.15);
  padding: 60px 20px 30px;
  position: relative;
  z-index: 1;
}

.retrogame-footer-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.retrogame-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.retrogame-footer-col h4 {
  font-family: var(--retrogame-font-title);
  font-size: 18px;
  color: var(--retrogame-cyan);
  margin-bottom: 20px;
  text-shadow: 0 0 8px rgba(0, 230, 118, 0.3);
}

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

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

.retrogame-footer-links li a {
  color: var(--retrogame-silver);
  font-size: 11px;
  transition: all 0.3s ease;
}

.retrogame-footer-links li a:hover {
  color: var(--retrogame-cyan);
  padding-left: 5px;
}

.retrogame-footer-social {
  display: flex;
  gap: 15px;
  margin-top: 15px;
}

.retrogame-social-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--retrogame-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--retrogame-cyan);
  transition: all 0.3s ease;
}

.retrogame-social-icon:hover {
  background: var(--retrogame-cyan);
  color: var(--retrogame-midnight);
  box-shadow: 0 0 15px rgba(0, 230, 118, 0.4);
}

.retrogame-footer-payment {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 15px;
}

.retrogame-payment-icon {
  padding: 6px 14px;
  border: 1px solid rgba(97, 97, 97, 0.3);
  font-size: 10px;
  color: var(--retrogame-silver);
}

.retrogame-footer-bottom {
  border-top: 1px solid rgba(97, 97, 97, 0.2);
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.retrogame-footer-license {
  font-size: 10px;
  color: rgba(97, 97, 97, 0.7);
  line-height: 1.8;
}

.retrogame-footer-age {
  font-family: var(--retrogame-font-title);
  font-size: 32px;
  color: var(--retrogame-magenta);
  text-shadow: 0 0 10px rgba(255, 23, 68, 0.4);
}

/* === 内页通用样式 === */
.retrogame-page-hero {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.retrogame-page-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.retrogame-page-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 20px;
}

.retrogame-page-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(10, 10, 10, 0.5), rgba(10, 10, 10, 0.9));
  z-index: 1;
}

.retrogame-content-block {
  max-width: 1400px;
  margin: 0 auto;
  padding: 60px 20px;
}

.retrogame-content-block p {
  margin-bottom: 20px;
  line-height: 2.2;
}

.retrogame-content-block h3 {
  margin: 40px 0 20px;
}

.retrogame-content-block h4 {
  margin: 30px 0 15px;
  color: var(--retrogame-magenta);
}

.retrogame-content-img {
  width: 100%;
  border: 1px solid rgba(0, 230, 118, 0.2);
  margin: 20px 0;
  display: block;
}

/* === RTP表格 === */
.retrogame-rtp-table {
  width: 100%;
  border-collapse: collapse;
  margin: 30px 0;
}

.retrogame-rtp-table th {
  background: rgba(0, 230, 118, 0.1);
  color: var(--retrogame-cyan);
  font-family: var(--retrogame-font-title);
  font-size: 16px;
  padding: 14px 18px;
  text-align: left;
  border-bottom: 2px solid var(--retrogame-cyan);
}

.retrogame-rtp-table td {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(97, 97, 97, 0.2);
  font-size: 12px;
}

.retrogame-rtp-table tr:hover td {
  background: rgba(255, 23, 68, 0.05);
}

/* === FAQ模块 === */
.retrogame-faq-item {
  border: 1px solid rgba(0, 230, 118, 0.15);
  margin-bottom: 12px;
  overflow: hidden;
}

.retrogame-faq-question {
  padding: 18px 24px;
  cursor: pointer;
  font-family: var(--retrogame-font-title);
  font-size: 18px;
  color: var(--retrogame-cyan);
  background: rgba(10, 10, 10, 0.6);
  transition: all 0.3s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
}

.retrogame-faq-question:hover {
  background: rgba(0, 230, 118, 0.05);
}

.retrogame-faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s ease;
  font-size: 12px;
  line-height: 2;
}

.retrogame-faq-answer.retrogame-faq-open {
  padding: 18px 24px;
  max-height: 500px;
}

/* === APP下载页 === */
.retrogame-download-zone {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.retrogame-download-card {
  background: rgba(10, 10, 10, 0.7);
  border: 1px solid rgba(0, 230, 118, 0.2);
  padding: 40px;
  text-align: center;
  transition: all 0.3s ease;
}

.retrogame-download-card:hover {
  border-color: var(--retrogame-cyan);
  box-shadow: 0 0 25px rgba(0, 230, 118, 0.2);
}

.retrogame-qr-placeholder {
  width: 180px;
  height: 180px;
  margin: 20px auto;
  border: 2px solid var(--retrogame-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--retrogame-font-title);
  font-size: 16px;
  color: var(--retrogame-cyan);
}

/* ============================================================
   动画效果
   ============================================================ */

/* 动画1: 复古街机闪烁 (Neon Flicker) */
@keyframes retrogame-neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    opacity: 1;
    text-shadow: 0 0 10px currentColor, 0 0 20px currentColor;
  }
  20%, 24%, 55% {
    opacity: 0.6;
    text-shadow: none;
  }
}

/* 动画2: 全息投影显现 (Hologram Reveal) */
@keyframes retrogame-hologram-reveal {
  0% {
    opacity: 0;
    transform: translateY(20px) scaleY(0.8);
    filter: blur(4px) hue-rotate(90deg);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
  }
  30% {
    opacity: 0.5;
    filter: blur(2px) hue-rotate(45deg);
  }
  60% {
    clip-path: polygon(0 0, 100% 0, 100% 80%, 0 80%);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scaleY(1);
    filter: blur(0) hue-rotate(0deg);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
}

/* 动画3: 脉冲波纹 (Pulse Ripple) */
@keyframes retrogame-pulse-ripple {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.4);
  }
  70% {
    box-shadow: 0 0 0 20px rgba(0, 230, 118, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 230, 118, 0);
  }
}

.retrogame-btn-primary:hover {
  animation: retrogame-pulse-ripple 0.6s ease-out;
}

/* 动画4: 数据流瀑布 - 由JS控制Canvas */

/* === 全息显现 - 滚动触发 === */
.retrogame-hologram-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease, filter 0.8s ease;
  filter: blur(3px);
}

.retrogame-hologram-item.retrogame-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* === 复古街机闪烁应用 === */
.retrogame-flicker {
  animation: retrogame-neon-flicker 4s infinite;
}

/* ============================================================
   响应式设计 - Mobile First
   ============================================================ */

@media (max-width: 1024px) {
  .retrogame-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  .retrogame-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .retrogame-deposit-plans {
    grid-template-columns: repeat(2, 1fr);
  }
  h1 { font-size: 38px; }
  h2 { font-size: 28px; }
}

@media (max-width: 768px) {
  .retrogame-nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    border-top: 1px solid var(--retrogame-magenta);
    z-index: 999;
  }

  .retrogame-nav-links.retrogame-nav-open {
    display: flex;
  }

  .retrogame-nav-links li a {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(97, 97, 97, 0.1);
  }

  .retrogame-menu-toggle {
    display: flex;
  }

  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  h3 { font-size: 22px; }

  .retrogame-grid-6,
  .retrogame-grid-3,
  .retrogame-grid-2 {
    grid-template-columns: 1fr;
  }

  .retrogame-trial-zone {
    grid-template-columns: 1fr;
  }

  .retrogame-register-zone {
    grid-template-columns: 1fr;
  }

  .retrogame-vip-tower {
    grid-template-columns: 1fr;
  }

  .retrogame-deposit-plans {
    grid-template-columns: 1fr;
  }

  .retrogame-event-grid {
    grid-template-columns: 1fr;
  }

  .retrogame-cinema-playlist {
    grid-template-columns: 1fr;
  }

  .retrogame-curfew-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .retrogame-footer-grid {
    grid-template-columns: 1fr;
  }

  .retrogame-download-zone {
    grid-template-columns: 1fr;
  }

  .retrogame-hero-content {
    padding: 20px 15px;
  }

  .retrogame-hero-subtitle {
    font-size: 12px;
  }

  .retrogame-hero-statement {
    font-size: 11px;
  }

  .retrogame-section {
    padding: 50px 15px;
  }

  .retrogame-deposit-billboard {
    padding: 30px 20px;
  }

  .retrogame-security-zone {
    padding: 30px 20px;
  }

  .retrogame-footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 414px) {
  html { font-size: 14px; }
  h1 { font-size: 26px; }
  h2 { font-size: 20px; }
  h3 { font-size: 18px; }

  .retrogame-btn-primary,
  .retrogame-btn-secondary {
    padding: 14px 24px;
    font-size: 11px;
    width: 100%;
    text-align: center;
  }

  .retrogame-cta-group {
    flex-direction: column;
  }

  .retrogame-game-card {
    padding: 20px;
  }
}

/* === 全宽分隔线 === */
.retrogame-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--retrogame-cyan), var(--retrogame-magenta), transparent);
  margin: 0;
  opacity: 0.4;
}

/* === 内页游戏卡片网格 === */
.retrogame-inner-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 30px 0;
}

@media (max-width: 768px) {
  .retrogame-inner-game-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 414px) {
  .retrogame-inner-game-grid {
    grid-template-columns: 1fr;
  }
}

.retrogame-inner-game-item {
  background: rgba(10, 10, 10, 0.7);
  border: 1px solid rgba(0, 230, 118, 0.15);
  overflow: hidden;
  transition: all 0.3s ease;
}

.retrogame-inner-game-item:hover {
  border-color: var(--retrogame-magenta);
  box-shadow: 0 0 20px rgba(255, 23, 68, 0.2);
  transform: translateY(-3px);
}

.retrogame-inner-game-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.retrogame-inner-game-info {
  padding: 16px;
}

.retrogame-inner-game-info h5 {
  color: var(--retrogame-cyan);
  margin-bottom: 8px;
}

.retrogame-inner-game-info p {
  font-size: 11px;
  line-height: 1.8;
}

/* === 滚动条样式 === */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--retrogame-midnight);
}

::-webkit-scrollbar-thumb {
  background: var(--retrogame-magenta);
  border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--retrogame-cyan);
}

/* === 选中文本样式 === */
::selection {
  background: var(--retrogame-magenta);
  color: var(--retrogame-midnight);
}