/* ============================================================
   霓虹复古风 - Neon Retro Style Main CSS
   色彩体系: 午夜黑#1A0A2E | 霓虹洋红#FF1493 | 霓虹青#00BFFF | 深空蓝#39FF14 | 银灰#424242
   ============================================================ */

/* --- 字体定义 --- */
@font-face {
  font-family: 'Bungee';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/Bungee-Regular.ttf') format('truetype');
}
@font-face {
  font-family: 'Lexend';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url('../fonts/Lexend-Light.ttf') format('truetype');
}
@font-face {
  font-family: 'Lexend';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/Lexend-Regular.ttf') format('truetype');
}
@font-face {
  font-family: 'Lexend';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/Lexend-Medium.ttf') format('truetype');
}
@font-face {
  font-family: 'Lexend';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/Lexend-SemiBold.ttf') format('truetype');
}
@font-face {
  font-family: 'Lexend';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/Lexend-Bold.ttf') format('truetype');
}

/* --- CSS变量 --- */
:root {
  --neonretro-midnight: #1A0A2E;
  --neonretro-magenta: #FF1493;
  --neonretro-cyan: #00BFFF;
  --neonretro-green: #39FF14;
  --neonretro-gray: #424242;
  --neonretro-deep-blue: #0D0620;
  --neonretro-card-bg: rgba(13, 6, 32, 0.85);
  --neonretro-font-heading: 'Bungee', 'PingFang SC', sans-serif;
  --neonretro-font-body: 'Lexend', 'Microsoft YaHei', sans-serif;
  --neonretro-glow-magenta: 0 0 10px rgba(255,20,147,0.5), 0 0 20px rgba(255,20,147,0.3);
  --neonretro-glow-cyan: 0 0 10px rgba(0,191,255,0.5), 0 0 20px rgba(0,191,255,0.3);
  --neonretro-glow-green: 0 0 10px rgba(57,255,20,0.5), 0 0 20px rgba(57,255,20,0.3);
}

/* --- 全局重置 --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: 16px;
  scroll-behavior: smooth;
}
body {
  font-family: var(--neonretro-font-body);
  background-color: var(--neonretro-midnight);
  color: #e0e0e0;
  line-height: 1.7;
  min-height: 100vh;
  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(0,191,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,191,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* --- 数据流瀑布背景 --- */
#glow-data-waterfall {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.08;
}

/* --- 标题字体 --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--neonretro-font-heading);
  color: var(--neonretro-cyan);
  line-height: 1.3;
  text-shadow: 0 0 8px rgba(0,191,255,0.4);
}
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

a {
  color: var(--neonretro-cyan);
  text-decoration: none;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}
a:hover {
  color: var(--neonretro-magenta);
  text-shadow: 0 0 8px rgba(255,20,147,0.5);
}

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

/* --- 导航栏 (非sticky) --- */
.neonretro-nav-bar {
  position: relative;
  width: 100%;
  background: rgba(26, 10, 46, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--neonretro-magenta);
  box-shadow: 0 2px 20px rgba(255,20,147,0.3);
  z-index: 1000;
  padding: 0 1rem;
}
.neonretro-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}
.neonretro-nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.neonretro-nav-logo img {
  width: 40px;
  height: 40px;
}
.neonretro-nav-logo span {
  font-family: var(--neonretro-font-heading);
  font-size: 1.1rem;
  color: var(--neonretro-cyan);
  text-shadow: var(--neonretro-glow-cyan);
}
.neonretro-nav-links {
  display: flex;
  list-style: none;
  gap: 0;
  flex-wrap: wrap;
}
.neonretro-nav-links li a {
  display: block;
  padding: 1rem 0.85rem;
  font-family: var(--neonretro-font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: #ccc;
  transition: all 0.3s ease;
  position: relative;
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.neonretro-nav-links li a:hover,
.neonretro-nav-links li a.neonretro-active {
  color: var(--neonretro-cyan);
  text-shadow: var(--neonretro-glow-cyan);
}
.neonretro-nav-links li a.neonretro-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 2px;
  background: var(--neonretro-cyan);
  box-shadow: var(--neonretro-glow-cyan);
  animation: neonretro-pulse-line 2s ease-in-out infinite;
}

/* 移动端菜单按钮 */
.neonretro-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
}
.neonretro-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--neonretro-cyan);
  box-shadow: var(--neonretro-glow-cyan);
  transition: transform 0.3s ease;
}

/* --- Hero区域 --- */
.neonretro-hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
}
.neonretro-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}
.neonretro-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26,10,46,0.7);
  z-index: -1;
}
.neonretro-hero-content {
  text-align: center;
  padding: 2rem;
  max-width: 900px;
  z-index: 2;
}
.neonretro-hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--neonretro-cyan);
  text-shadow: 0 0 15px rgba(0,191,255,0.6), 0 0 30px rgba(0,191,255,0.3);
  margin-bottom: 1rem;
  animation: neonretro-flicker 4s ease-in-out infinite;
}
.neonretro-hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: #b0b0b0;
  margin-bottom: 1.5rem;
}
.neonretro-hero-text {
  font-size: 1rem;
  color: #ccc;
  margin-bottom: 2rem;
  line-height: 1.8;
}
.neonretro-btn-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- 按钮 --- */
.neonretro-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  background: var(--neonretro-magenta);
  color: var(--neonretro-midnight);
  font-family: var(--neonretro-font-body);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: all 0.3s ease;
  min-height: 44px;
  min-width: 44px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}
.neonretro-btn-primary:hover {
  box-shadow: var(--neonretro-glow-magenta);
  transform: translateY(-2px);
  color: var(--neonretro-midnight);
}
.neonretro-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  background: transparent;
  color: var(--neonretro-cyan);
  font-family: var(--neonretro-font-body);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid var(--neonretro-cyan);
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
  transition: all 0.3s ease;
  min-height: 44px;
  min-width: 44px;
  text-decoration: none;
}
.neonretro-btn-secondary:hover {
  box-shadow: var(--neonretro-glow-cyan);
  background: rgba(0,191,255,0.1);
  color: var(--neonretro-cyan);
  transform: translateY(-2px);
}

/* --- 模块通用 --- */
.neonretro-section {
  position: relative;
  padding: 4rem 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  z-index: 1;
}
.neonretro-section-title {
  text-align: center;
  margin-bottom: 3rem;
}
.neonretro-section-title h2 {
  display: inline-block;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--neonretro-magenta);
  box-shadow: 0 2px 0 var(--neonretro-magenta);
}

/* --- 卡片网格 --- */
.neonretro-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.neonretro-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.neonretro-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

/* --- 游戏卡片 --- */
.neonretro-game-card {
  background: var(--neonretro-card-bg);
  border: 1px solid rgba(0,191,255,0.2);
  padding: 1.5rem;
  position: relative;
  transition: all 0.4s ease;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.neonretro-game-card:hover {
  border-color: var(--neonretro-magenta);
  box-shadow: var(--neonretro-glow-magenta);
  transform: translateY(-4px);
}
.neonretro-game-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}
.neonretro-game-card .neonretro-card-status {
  font-size: 0.85rem;
  color: var(--neonretro-green);
  margin-bottom: 0.3rem;
}
.neonretro-game-card .neonretro-card-players {
  font-size: 0.85rem;
  color: var(--neonretro-gray);
  margin-bottom: 0.8rem;
}
.neonretro-game-card .neonretro-card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 1px solid rgba(0,191,255,0.15);
}

/* --- 试玩区 --- */
.neonretro-trial-zone {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  background: var(--neonretro-card-bg);
  border: 1px solid rgba(255,20,147,0.2);
  padding: 2rem;
}
.neonretro-trial-list {
  list-style: none;
}
.neonretro-trial-list li {
  padding: 0.8rem 1rem;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.neonretro-trial-list li:hover,
.neonretro-trial-list li.neonretro-active-tab {
  border-left-color: var(--neonretro-magenta);
  color: var(--neonretro-magenta);
  background: rgba(255,20,147,0.05);
}
.neonretro-trial-screen {
  border: 2px solid rgba(0,191,255,0.3);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.neonretro-trial-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- 影院频道 --- */
.neonretro-cinema-section {
  background: var(--neonretro-card-bg);
  border: 1px solid rgba(0,191,255,0.2);
  padding: 2rem;
}
.neonretro-video-player {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--neonretro-deep-blue);
  border: 2px solid rgba(0,191,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 1.5rem;
  overflow: hidden;
}
.neonretro-video-player img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.7);
}
.neonretro-play-btn {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255,20,147,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 44px;
  min-height: 44px;
}
.neonretro-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 22px solid var(--neonretro-midnight);
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  margin-left: 5px;
}
.neonretro-play-btn:hover {
  box-shadow: var(--neonretro-glow-magenta);
  transform: scale(1.1);
}

/* --- 注册表单 --- */
.neonretro-register-form {
  background: var(--neonretro-card-bg);
  border: 1px solid rgba(0,191,255,0.2);
  padding: 2rem;
  max-width: 600px;
  margin: 0 auto;
}
.neonretro-form-group {
  margin-bottom: 1.2rem;
}
.neonretro-form-group label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--neonretro-cyan);
  font-size: 0.9rem;
}
.neonretro-form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--neonretro-deep-blue);
  border: none;
  border-bottom: 2px solid var(--neonretro-cyan);
  color: #e0e0e0;
  font-family: var(--neonretro-font-body);
  font-size: 1rem;
  transition: all 0.3s ease;
  min-height: 44px;
}
.neonretro-form-input:focus {
  outline: none;
  border-bottom-color: var(--neonretro-magenta);
  box-shadow: 0 2px 10px rgba(255,20,147,0.3);
  animation: neonretro-flicker 2s ease-in-out infinite;
}

/* --- 首充广告牌 --- */
.neonretro-deposit-billboard {
  background: linear-gradient(135deg, rgba(255,20,147,0.15), rgba(26,10,46,0.9));
  border: 2px solid var(--neonretro-magenta);
  box-shadow: var(--neonretro-glow-magenta);
  padding: 3rem 2rem;
  text-align: center;
}
.neonretro-deposit-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.neonretro-deposit-card {
  background: var(--neonretro-card-bg);
  border: 1px solid rgba(255,20,147,0.3);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}
.neonretro-deposit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--neonretro-glow-magenta);
}
.neonretro-deposit-card h4 {
  color: var(--neonretro-magenta);
  margin-bottom: 0.8rem;
}

/* --- 活动广场 --- */
.neonretro-event-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.neonretro-event-card {
  background: var(--neonretro-card-bg);
  border: 1px solid rgba(0,191,255,0.2);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  transition: all 0.3s ease;
}
.neonretro-event-card:hover {
  border-color: var(--neonretro-cyan);
  box-shadow: var(--neonretro-glow-cyan);
}
.neonretro-event-icon {
  width: 50px;
  height: 50px;
  min-width: 50px;
  border: 2px solid var(--neonretro-magenta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--neonretro-magenta);
}

/* --- VIP摩天楼 --- */
.neonretro-vip-tower {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}
.neonretro-vip-floors {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.neonretro-floor-card {
  background: var(--neonretro-card-bg);
  border-left: 4px solid var(--neonretro-cyan);
  padding: 1rem 1.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
}
.neonretro-floor-card:hover {
  border-left-color: var(--neonretro-magenta);
  box-shadow: var(--neonretro-glow-magenta);
  transform: translateX(8px);
}
.neonretro-floor-card h4 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

/* --- 安全认证 --- */
.neonretro-security-section {
  background: var(--neonretro-card-bg);
  border: 1px solid rgba(0,191,255,0.2);
  padding: 3rem 2rem;
  text-align: center;
}
.neonretro-security-badges {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}
.neonretro-badge {
  width: 120px;
  height: 120px;
  border: 2px solid var(--neonretro-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--neonretro-glow-cyan);
  transition: all 0.3s ease;
}
.neonretro-badge:hover {
  box-shadow: var(--neonretro-glow-magenta);
  border-color: var(--neonretro-magenta);
}
.neonretro-badge img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

/* --- 负责任博弈 --- */
.neonretro-responsible-section {
  background: rgba(13,6,32,0.95);
  border-top: 1px solid rgba(66,66,66,0.3);
  padding: 3rem 1.5rem;
}
.neonretro-responsible-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}
.neonretro-age-badge {
  min-width: 80px;
  height: 80px;
  border: 3px solid var(--neonretro-magenta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--neonretro-font-heading);
  font-size: 1.8rem;
  color: var(--neonretro-magenta);
  text-shadow: var(--neonretro-glow-magenta);
  flex-shrink: 0;
}

/* --- 页脚 --- */
.neonretro-footer {
  background: var(--neonretro-deep-blue);
  border-top: 2px solid var(--neonretro-magenta);
  padding: 3rem 1.5rem 1.5rem;
  position: relative;
  z-index: 1;
}
.neonretro-footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.neonretro-footer-col h4 {
  color: var(--neonretro-cyan);
  font-size: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(0,191,255,0.2);
}
.neonretro-footer-col ul {
  list-style: none;
}
.neonretro-footer-col ul li {
  margin-bottom: 0.5rem;
}
.neonretro-footer-col ul li a {
  color: #999;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}
.neonretro-footer-col ul li a:hover {
  color: var(--neonretro-magenta);
}
.neonretro-footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}
.neonretro-social-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--neonretro-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neonretro-cyan);
  font-size: 1.1rem;
  transition: all 0.3s ease;
  text-decoration: none;
}
.neonretro-social-icon:hover {
  border-color: var(--neonretro-magenta);
  color: var(--neonretro-magenta);
  box-shadow: var(--neonretro-glow-magenta);
}
.neonretro-footer-bottom {
  max-width: 1400px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(66,66,66,0.3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.neonretro-footer-payments {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}
.neonretro-payment-icon {
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--neonretro-gray);
  color: var(--neonretro-gray);
  font-size: 0.8rem;
  font-family: var(--neonretro-font-body);
}
.neonretro-footer-18 {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.neonretro-18-badge {
  width: 36px;
  height: 36px;
  border: 2px solid var(--neonretro-magenta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--neonretro-font-heading);
  font-size: 0.9rem;
  color: var(--neonretro-magenta);
}
.neonretro-footer-legal {
  color: #666;
  font-size: 0.8rem;
}

/* --- 面包屑导航 --- */
.neonretro-breadcrumb {
  padding: 1rem 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  font-size: 0.85rem;
  color: #888;
  z-index: 1;
  position: relative;
}
.neonretro-breadcrumb a {
  color: var(--neonretro-cyan);
}
.neonretro-breadcrumb span {
  margin: 0 0.5rem;
  color: #555;
}

/* --- 内页Hero --- */
.neonretro-page-hero {
  position: relative;
  width: 100%;
  height: 45vh;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
}
.neonretro-page-hero img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}
.neonretro-page-hero .neonretro-hero-overlay {
  z-index: -1;
}
.neonretro-page-hero-content {
  text-align: center;
  z-index: 2;
  padding: 2rem;
}
.neonretro-page-hero-content h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  animation: neonretro-flicker 4s ease-in-out infinite;
}

/* --- 内页内容区 --- */
.neonretro-content-area {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
  position: relative;
  z-index: 1;
}
.neonretro-content-area p {
  margin-bottom: 1.2rem;
  font-size: 1rem;
  line-height: 1.8;
  color: #d0d0d0;
}
.neonretro-content-area h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}
.neonretro-content-area h3 {
  margin-top: 2rem;
  margin-bottom: 0.8rem;
}
.neonretro-content-img {
  width: 100%;
  margin: 1.5rem 0;
  border: 1px solid rgba(0,191,255,0.2);
}
.neonretro-content-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}
.neonretro-content-grid img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border: 1px solid rgba(0,191,255,0.15);
}

/* --- APP下载页 --- */
.neonretro-download-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 3rem 0;
}
.neonretro-download-card {
  background: var(--neonretro-card-bg);
  border: 2px solid rgba(0,191,255,0.3);
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}
.neonretro-download-card:hover {
  box-shadow: var(--neonretro-glow-cyan);
}
.neonretro-qr-placeholder {
  width: 180px;
  height: 180px;
  margin: 1rem auto;
  border: 2px solid var(--neonretro-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neonretro-cyan);
  font-size: 0.9rem;
}

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

/* 霓虹闪烁 */
@keyframes neonretro-flicker {
  0%, 100% { opacity: 1; }
  5% { opacity: 0.85; }
  10% { opacity: 1; }
  15% { opacity: 0.9; }
  20% { opacity: 1; }
  50% { opacity: 1; }
  55% { opacity: 0.88; }
  60% { opacity: 1; }
}

/* 全息投影显现 */
@keyframes neonretro-hologram-reveal {
  0% {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(4px) hue-rotate(20deg);
  }
  50% {
    opacity: 0.7;
    filter: blur(1px) hue-rotate(5deg);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0) hue-rotate(0deg);
  }
}
.neonretro-hologram-in {
  animation: neonretro-hologram-reveal 0.8s ease-out forwards;
}

/* 脉冲波纹 */
@keyframes neonretro-pulse-ripple {
  0% {
    box-shadow: 0 0 0 0 rgba(255,20,147,0.4);
  }
  100% {
    box-shadow: 0 0 0 20px rgba(255,20,147,0);
  }
}
.neonretro-btn-primary:hover {
  animation: neonretro-pulse-ripple 0.6s ease-out;
}

/* 脉冲线条 */
@keyframes neonretro-pulse-line {
  0%, 100% { opacity: 1; box-shadow: var(--neonretro-glow-cyan); }
  50% { opacity: 0.5; box-shadow: none; }
}

/* 扫描线 */
@keyframes neonretro-scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* ============================================================
   响应式设计
   ============================================================ */
@media (max-width: 1024px) {
  .neonretro-grid-6 { grid-template-columns: repeat(2, 1fr); }
  .neonretro-footer-inner { grid-template-columns: repeat(2, 1fr); }
  .neonretro-vip-tower { grid-template-columns: 1fr; }
  .neonretro-deposit-plans { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  html { font-size: 15px; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .neonretro-menu-toggle { display: flex; }
  .neonretro-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(26,10,46,0.98);
    flex-direction: column;
    border-bottom: 2px solid var(--neonretro-magenta);
    padding: 1rem 0;
  }
  .neonretro-nav-links.neonretro-nav-open { display: flex; }
  .neonretro-nav-links li a {
    padding: 0.8rem 1.5rem;
    justify-content: flex-start;
  }

  .neonretro-grid-6 { grid-template-columns: 1fr; }
  .neonretro-grid-3 { grid-template-columns: 1fr; }
  .neonretro-grid-2 { grid-template-columns: 1fr; }
  .neonretro-event-grid { grid-template-columns: 1fr; }
  .neonretro-deposit-plans { grid-template-columns: 1fr; }
  .neonretro-download-section { grid-template-columns: 1fr; }
  .neonretro-trial-zone { grid-template-columns: 1fr; }
  .neonretro-footer-inner { grid-template-columns: 1fr; }
  .neonretro-responsible-inner { flex-direction: column; align-items: center; text-align: center; }
  .neonretro-content-grid { grid-template-columns: 1fr; }
  .neonretro-footer-bottom { flex-direction: column; align-items: flex-start; }

  .neonretro-section { padding: 2.5rem 1rem; }
}

@media (max-width: 414px) {
  html { font-size: 14px; }
  .neonretro-hero-content { padding: 1rem; }
  .neonretro-btn-group { flex-direction: column; align-items: center; }
}