:root {
  --header-offset: 120px; /* Desktop: Header + buttons height */
  --marquee-height-desktop: 50px;
  --marquee-height-mobile: 40px;
  --header-top-height-desktop: 70px;
  --mobile-buttons-height: 60px;
  --primary-color: #003366;
  --secondary-color: #FFD700;
  --dark-bg-1: #0a0a0a;
  --dark-bg-2: #1a1a2e;
  --dark-bg-3: #16213e;
  --neon-primary-base: #00ffff; /* Bright Cyan from Primary Blue */
  --neon-secondary-base: #ffdd00; /* Bright Yellow from Secondary Gold */
  --neon-accent-base: #ff00ff; /* Magenta for contrast */
  --neon-primary: var(--neon-primary-base);
  --neon-secondary: var(--neon-secondary-base);
  --neon-accent: var(--neon-accent-base);
}

@media (max-width: 768px) {
  :root {
    --header-offset: calc(var(--marquee-height-mobile) + var(--header-top-height-desktop) + var(--mobile-buttons-height)); /* Marquee + Header Top + Mobile Buttons */
  }
}

/* General Neon Animations */
@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(0, 255, 255, 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(255, 221, 0, 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(255, 0, 255, 0.3);
  }
}

@keyframes text-glow-flow {
  0% {
    text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 15px var(--neon-primary);
    color: #ffffff;
  }
  50% {
    text-shadow: 0 0 5px var(--neon-secondary), 0 0 10px var(--neon-secondary), 0 0 15px var(--neon-secondary);
    color: #ffffff;
  }
  100% {
    text-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent), 0 0 15px var(--neon-accent);
    color: #ffffff;
  }
}

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

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

/* Marquee Section Styles */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2), var(--dark-bg-3));
  color: #ffffff;
  overflow: hidden;
  height: var(--marquee-height-desktop);
  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(0, 255, 255, 0.1);
  z-index: 1001;
  display: flex;
  align-items: center;
  padding: 0 15px;
  box-sizing: border-box;
}

.marquee-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 15px;
}

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

.marquee-icon-emoji {
  font-size: 20px;
  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);
}

.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;
  padding-right: 30px; /* Ensure space for seamless loop */
}

.marquee-text {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  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;
}

.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: #ffffff;
}

.marquee-separator {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 10px;
  text-shadow: 0 0 3px var(--neon-primary), 0 0 6px var(--neon-primary);
}

/* Site Header Styles */
.site-header {
  position: fixed;
  top: var(--marquee-height-desktop);
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--dark-bg-1);
  color: #ffffff;
}

.site-header .header-top {
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
  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(0, 255, 255, 0.3);
  min-height: var(--header-top-height-desktop);
  display: flex;
  align-items: center;
}

.site-header .header-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  box-sizing: border-box;
}

.site-header .logo {
  font-size: 28px;
  font-weight: bold;
  color: #ffffff; /* Regular color, no neon */
  text-decoration: none;
  transition: color 0.3s ease;
  padding: 0;
  margin: 0;
}

.site-header .logo:hover {
  color: var(--secondary-color); /* Regular hover */
}

.site-header .desktop-nav-buttons {
  display: flex;
  gap: 10px;
  align-items: center;
}

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

.site-header .btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-primary-base), var(--neon-secondary-base));
  padding: 10px 20px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  text-shadow: 0 0 5px #ffffff, 0 0 10px var(--neon-primary-base);
  transition: all 0.3s ease;
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
}

.site-header .btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 15px var(--neon-primary), 0 0 30px var(--neon-primary), inset 0 0 15px rgba(0, 255, 255, 0.4);
}

.site-header .main-nav {
  background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3));
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite reverse;
  box-shadow: 0 0 8px var(--neon-secondary), 0 0 16px var(--neon-secondary), inset 0 0 8px rgba(255, 221, 0, 0.2);
  width: 100%;
  display: flex; /* Desktop default: flex */
  align-items: center;
  padding: 10px 0;
}

.site-header .main-nav .nav-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: row; /* Desktop default: row */
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  box-sizing: border-box;
  gap: 25px;
}

.site-header .nav-link {
  color: #ffffff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 8px 12px;
  transition: all 0.3s ease;
  border-radius: 4px;
  white-space: nowrap;
}

.site-header .nav-link:hover {
  color: var(--secondary-color);
  background-color: rgba(255, 255, 255, 0.1);
}

/* Hamburger Menu */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  width: 30px;
  height: 22px;
  position: relative;
  cursor: pointer;
  z-index: 1002;
  background: none;
  border: none;
  padding: 0;
}

.hamburger-menu .bar {
  display: block;
  width: 100%;
  height: 3px;
  background-color: #ffffff;
  border-radius: 3px;
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
  animation: text-glow-flow 3s ease-in-out infinite alternate; /* Neon glow for bars */
}

.hamburger-menu .bar:nth-child(1) { top: 0; }
.hamburger-menu .bar:nth-child(2) { top: 9px; }
.hamburger-menu .bar:nth-child(3) { top: 18px; }

.hamburger-menu.active .bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.hamburger-menu.active .bar:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.active .bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

/* Footer Styles */
.site-footer {
  background-color: var(--dark-bg-1);
  color: #cccccc;
  padding: 40px 20px;
  font-size: 14px;
  line-height: 1.6;
}

.site-footer .footer-top-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 40px auto;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer .footer-col {
  margin-bottom: 20px;
}

.site-footer .footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: #ffffff;
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

.site-footer .footer-description {
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.6;
  color: #aaaaaa;
}

.site-footer .footer-heading {
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 15px;
}

.site-footer .footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer .footer-nav li {
  margin-bottom: 8px;
}

.site-footer .footer-nav a {
  color: #cccccc;
  text-decoration: none;
  transition: color 0.3s ease;
}

.site-footer .footer-nav a:hover {
  color: var(--secondary-color);
}

.site-footer .payment-methods .payment-icons,
.site-footer .game-providers-section .game-providers-icons,
.site-footer .social-media-section .social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.site-footer .payment-methods .payment-icons img,
.site-footer .game-providers-section .game-providers-icons img,
.site-footer .social-media-section .social-media-icons img {
  max-height: 40px; /* Reduced for tighter layout */
  height: auto;
  width: auto;
  filter: grayscale(0%); /* Ensure icons are colorful */
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.site-footer .payment-methods .payment-icons img:hover,
.site-footer .game-providers-section .game-providers-icons img:hover,
.site-footer .social-media-section .social-media-icons img:hover {
  opacity: 1;
}

.site-footer .game-providers-section,
.site-footer .social-media-section {
  max-width: 1200px;
  margin: 0 auto 30px auto;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer .game-providers-section:last-of-type, .site-footer .social-media-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.site-footer .footer-bottom {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 20px;
}

.site-footer .copyright {
  color: #888888;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .marquee-section {
    height: var(--marquee-height-mobile);
    padding: 0 5px;
  }

  .marquee-icon {
    width: 25px;
    height: 25px;
    gap: 5px;
  }

  .marquee-icon-emoji {
    font-size: 16px;
  }

  .marquee-text {
    font-size: 13px;
  }

  .marquee-separator {
    font-size: 13px;
    margin: 0 8px;
  }

  .marquee-content {
    gap: 20px;
    animation-duration: 25s;
  }

  .site-header {
    top: var(--marquee-height-mobile);
  }

  .site-header .header-top {
    min-height: var(--header-top-height-desktop);
    padding: 5px 0;
  }

  .site-header .header-container {
    padding: 0 15px;
    justify-content: space-between;
    width: 100%;
    max-width: none;
  }

  .site-header .hamburger-menu {
    display: block;
    order: 0;
    margin-right: 10px;
  }

  .site-header .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 24px;
    margin: 0;
    padding: 0;
  }
  
  .site-header .logo img {
    max-height: 40px;
  }

  .site-header .desktop-nav-buttons {
    display: none;
  }

  .site-header .mobile-nav-buttons {
    display: flex !important;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px;
    gap: 10px;
    justify-content: center;
    flex-wrap: nowrap; /* Ensure buttons stay in one line */
    background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3));
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite reverse;
    box-shadow: 0 0 8px var(--neon-secondary), 0 0 16px var(--neon-secondary), inset 0 0 8px rgba(255, 221, 0, 0.2);
  }

  .site-header .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px);
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    padding: 8px 12px;
    font-size: 13px;
    text-align: center;
  }

  .site-header .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column; /* Mobile default: column */
    position: fixed;
    top: calc(var(--marquee-height-mobile) + var(--header-top-height-desktop) + var(--mobile-buttons-height)); /* Position below header-top and mobile buttons */
    left: 0;
    width: 80%;
    max-width: 300px;
    height: calc(100% - var(--marquee-height-mobile) - var(--header-top-height-desktop) - var(--mobile-buttons-height));
    background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-in-out;
    z-index: 1000; /* Above overlay */
    overflow-y: auto;
    padding: 20px 0;
  }

  .site-header .main-nav.active {
    display: flex; /* Show when active */
    transform: translateX(0); /* Slide in */
  }

  .site-header .main-nav .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 15px;
    width: 100%;
    max-width: none;
    gap: 15px;
  }

  .site-header .nav-link {
    width: 100%;
    text-align: left;
    font-size: 16px;
  }

  .site-footer {
    padding: 30px 15px;
  }

  .site-footer .footer-top-cols {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 30px;
  }

  .site-footer .footer-heading {
    font-size: 16px;
  }

  .site-footer .footer-logo {
    font-size: 20px;
  }

  .site-footer .game-providers-section,
  .site-footer .social-media-section {
    margin-bottom: 20px;
  }

  .site-footer .payment-methods .payment-icons img,
  .site-footer .game-providers-section .game-providers-icons img,
  .site-footer .social-media-section .social-media-icons img {
    max-height: 35px;
  }

  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}

.no-scroll {
  overflow: hidden;
}
/* 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;
  }
}