:root {
  --primary-color: #FFD700; /* Luxury Gold */
  --secondary-color: #000080; /* Deep Navy Blue */
  --text-color: #ffffff;
  --dark-bg: #0a0a0a;
  --dark-bg-light: #1a1a2e;
  --dark-bg-lighter: #16213e;

  /* Neon specific colors - intelligent selection based on primary/secondary */
  --neon-primary: var(--primary-color); /* Gold/Yellow neon */
  --neon-secondary: #ff00ff; /* Pink/Magenta for contrast */
  --neon-accent: #00ffff; /* Cyan for another contrast */

  /* Header offsets - CALCULATED VALUES */
  --marquee-height-desktop: 45px;
  --header-top-height-desktop: 60px; /* Logo + Buttons row */
  --main-nav-height-desktop: 50px; /* Main navigation row */
  --header-offset: calc(var(--marquee-height-desktop) + var(--header-top-height-desktop) + var(--main-nav-height-desktop)); /* Desktop: Marquee + Header Top + Main Nav */

  --marquee-height-mobile: 30px;
  --header-top-height-mobile: 50px; /* Logo + Hamburger row */
  --mobile-nav-buttons-height-mobile: 60px; /* Mobile buttons row */
  --header-offset-mobile: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height-mobile)); /* Mobile: Marquee + Header Top + Mobile Buttons */
}

@media (max-width: 768px) {
  :root {
    --header-offset: var(--header-offset-mobile);
  }
}

/* Base Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
  background-color: #121212;
  color: var(--text-color);
  overflow-x: hidden; /* Prevent horizontal scroll on body */
}

/* Neon Dynamic Color Animations */
@keyframes rainbow-border {
  0%, 100% { border-color: var(--neon-primary); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
  25% { border-color: var(--neon-secondary); box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary); }
  50% { border-color: var(--neon-accent); box-shadow: 0 0 10px var(--neon-accent), 0 0 20px var(--neon-accent); }
  75% { border-color: var(--neon-secondary); box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary); }
}

@keyframes hue-spin {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

@keyframes alternate-colors {
  0%, 100% { border-color: var(--neon-primary); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
  50% { border-color: var(--neon-secondary); box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary); }
}

@keyframes gradient-flow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes random-glow {
  0% { border-color: var(--neon-primary); box-shadow: 0 0 20px var(--neon-primary); }
  20% { border-color: #00ffff; box-shadow: 0 0 20px #00ffff; } /* Cyan */
  40% { border-color: #ff00ff; box-shadow: 0 0 20px #ff00ff; } /* Magenta */
  60% { border-color: #ffff00; box-shadow: 0 0 20px #ffff00; } /* Yellow */
  80% { border-color: #00ff00; box-shadow: 0 0 20px #00ff00; } /* Green */
  100% { border-color: var(--neon-primary); box-shadow: 0 0 20px var(--neon-primary); }
}

@keyframes theme-colors {
  0%, 100% {
    border-color: var(--neon-primary);
    box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), inset 0 0 10px rgba(255, 215, 0, 0.3);
  }
  33% {
    border-color: var(--neon-secondary);
    box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), inset 0 0 10px rgba(0, 0, 128, 0.3);
  }
  66% {
    border-color: var(--neon-accent);
    box-shadow: 0 0 10px var(--neon-accent), 0 0 20px var(--neon-accent), inset 0 0 10px rgba(0, 255, 255, 0.3);
  }
}

@keyframes text-glow-flow {
  0%, 100% {
    text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 15px var(--neon-primary);
    color: #ffffff;
  }
  33% {
    text-shadow: 0 0 5px var(--neon-secondary), 0 0 10px var(--neon-secondary), 0 0 15px var(--neon-secondary);
    color: #ffffff;
  }
  66% {
    text-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent), 0 0 15px var(--neon-accent);
    color: #ffffff;
  }
}

/* Marquee Section */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--marquee-height-desktop);
  background: linear-gradient(135deg, var(--dark-bg), var(--dark-bg-light), var(--dark-bg-lighter));
  color: var(--text-color);
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), 0 0 30px var(--neon-primary), inset 0 0 20px rgba(255, 215, 0, 0.1);
  z-index: 1001;
  display: flex; /* Ensure marquee-container is centered vertically */
  align-items: center;
}

.marquee-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 0 20px; /* Adjust padding for desktop */
}

.marquee-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px; /* Smaller icon on desktop */
  height: 30px; /* Smaller icon on desktop */
  z-index: 2;
  position: relative;
}

.marquee-icon-emoji {
  font-size: 20px; /* Smaller font on desktop */
  display: inline-block;
  animation: marquee-pulse 2s ease-in-out infinite, text-glow-flow 3s ease-in-out infinite alternate;
  text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 15px var(--neon-primary);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

@keyframes marquee-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.9; }
}

.marquee-wrapper {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.marquee-content {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  animation: marquee-scroll 30s linear infinite;
  gap: 30px;
}

.marquee-text {
  font-size: 15px; /* Adjust font size for desktop */
  font-weight: 600;
  color: var(--text-color);
  text-decoration: none;
  text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 15px var(--neon-primary);
  line-height: 1.5;
  display: inline-block;
  vertical-align: middle;
  animation: text-glow-flow 3s ease-in-out infinite alternate;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap; /* Prevent text wrapping */
}

.marquee-text:hover {
  text-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), 0 0 30px var(--neon-primary), 0 0 40px var(--neon-primary);
  transform: scale(1.05);
  color: var(--text-color);
}

.marquee-separator {
  font-size: 15px; /* Adjust font size for desktop */
  color: rgba(255, 255, 255, 0.6);
  margin: 0 15px;
  text-shadow: 0 0 3px var(--neon-primary), 0 0 6px var(--neon-primary);
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Site Header */
.site-header {
  position: fixed;
  top: var(--marquee-height-desktop); /* Position below marquee */
  left: 0;
  width: 100%;
  z-index: 1000;
  color: var(--text-color);
}

.header-top {
  background: linear-gradient(135deg, var(--dark-bg), var(--dark-bg-light));
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), inset 0 0 10px rgba(255, 215, 0, 0.1);
  min-height: var(--header-top-height-desktop);
  display: flex;
  align-items: center;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  box-sizing: border-box;
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--text-color); /* LOGO is NOT neon */
  text-decoration: none;
  line-height: 1;
  padding: 10px 0; /* Adjust padding to align with header-top height */
  display: block; /* Ensure it takes up space */
}

.desktop-nav-buttons {
  display: flex;
  gap: 12px;
}

.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
}

.main-nav {
  background: linear-gradient(135deg, var(--dark-bg-light), var(--dark-bg-lighter));
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: alternate-colors 4s ease-in-out infinite; /* Different neon effect for nav */
  box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), inset 0 0 10px rgba(0, 0, 128, 0.1);
  min-height: var(--main-nav-height-desktop);
  display: flex; /* Display on desktop */
  align-items: center;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  box-sizing: border-box;
  gap: 25px;
}

.nav-link {
  color: var(--text-color); /* Nav links are NOT neon */
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 15px 0;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  position: relative;
  white-space: nowrap; /* Prevent wrapping */
}

.nav-link:hover {
  color: var(--neon-primary);
  text-shadow: 0 0 5px var(--neon-primary);
}

/* Hamburger Menu (Desktop - Hidden) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1002;
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--text-color);
  margin-bottom: 5px;
  transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
  border-radius: 2px;
  box-shadow: 0 0 5px var(--neon-primary); /* Neon glow for hamburger */
}

.hamburger-menu span:last-child {
  margin-bottom: 0;
}

/* Buttons */
.btn {
  position: relative;
  padding: 10px 20px;
  color: var(--text-color);
  text-decoration: none;
  border-radius: 5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap; /* Prevent text wrapping */
  display: inline-flex; /* Ensure content alignment */
  align-items: center;
  justify-content: center;

  /* Neon button base styles */
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic color */
  text-shadow: 0 0 5px var(--text-color), 0 0 10px var(--neon-primary);
}

.btn:hover {
  animation-duration: 2s; /* Faster animation on hover */
  transform: translateY(-2px);
  box-shadow: 0 0 15px var(--neon-primary), 0 0 30px var(--neon-primary), inset 0 0 15px rgba(255, 215, 0, 0.4);
}

/* Site Footer */
.site-footer {
  background-color: #1a1a1a;
  color: rgba(255, 255, 255, 0.8);
  padding: 40px 0 20px;
  font-size: 14px;
  line-height: 1.6;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}
/* Payment Methods 图标容器样式 */
.payment-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 5px;
}

.payment-icons img,
.payment-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}

/* Game Providers 图标容器样式 */
.game-providers-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.game-providers-icons img,
.game-provider-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}

/* Social Media 图标容器样式 */
.social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.social-media-icons img,
.social-media-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}
/* 移动端内容区防溢出（系统追加，请勿删除） */
@media (max-width: 768px) {
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}