:root {
  --primary-color: #26A9E0; /* Light blue */
  --secondary-color: #FFFFFF; /* White */
  --login-color: #EA7C07; /* Orange */
  --black-color: #000000;

  /* Neon base colors derived from primary/secondary/accent */
  --neon-primary: var(--primary-color); /* Light blue */
  --neon-secondary: var(--login-color); /* Orange */
  --neon-accent: #FFD700; /* Gold/Yellow for extra pop */

  --neon-primary-rgb: 38, 169, 224;
  --neon-secondary-rgb: 234, 124, 7;
  --neon-accent-rgb: 255, 215, 0;

  /* Header offsets */
  --header-offset: 155px; /* Desktop: Marquee (45) + Header Top (60) + Main Nav (50) */
}
@media (max-width: 768px) {
  :root {
    --header-offset: 145px; /* Mobile: Marquee (30) + Header Top (60) + Mobile Buttons (55) */
  }
}

/* General Body & HTML */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}
*,
*::before,
*::after {
  box-sizing: inherit;
}
body {
  margin: 0;
  padding-top: var(--header-offset); /* Offset for fixed header */
  background-color: #111111;
  color: #ffffff;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Animations for dynamic colors and effects */
@keyframes theme-colors {
  0%, 100% {
    border-color: var(--neon-primary);
    box-shadow:
      0 0 10px var(--neon-primary),
      0 0 20px var(--neon-primary);
  }
  33% {
    border-color: var(--neon-secondary);
    box-shadow:
      0 0 10px var(--neon-secondary),
      0 0 20px var(--neon-secondary);
  }
  66% {
    border-color: var(--neon-accent);
    box-shadow:
      0 0 10px var(--neon-accent),
      0 0 20px var(--neon-accent);
  }
}

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

@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%); }
}

/* Hamburger menu animations */
.hamburger-menu.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger-menu.active .bar:nth-child(2) { opacity: 0; }
.hamburger-menu.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Marquee Section */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
  color: var(--secondary-color);
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  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(var(--neon-primary-rgb), 0.1);
  z-index: 1001;
  height: 45px; /* Fixed height for calculation */
  display: flex;
  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;
}
.marquee-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  z-index: 2;
  position: relative;
}
.marquee-icon-emoji {
  font-size: 24px;
  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));
}
.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: 16px;
  font-weight: 600;
  color: var(--secondary-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;
}
.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(--secondary-color);
}
.marquee-separator {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 15px;
  text-shadow:
    0 0 3px var(--neon-primary),
    0 0 6px var(--neon-primary);
}

/* Site Header */
.site-header {
  position: fixed;
  top: 45px; /* Adjust based on marquee height */
  left: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
}

/* Header Top Section (Logo + Desktop Buttons) */
.header-top {
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  box-shadow:
    0 0 10px var(--neon-accent),
    0 0 20px var(--neon-accent),
    0 0 30px var(--neon-accent),
    inset 0 0 20px rgba(var(--neon-accent-rgb), 0.1);
  height: 60px; /* Fixed height for calculation */
  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 Styling (Regular, NO NEON) */
.logo {
  color: var(--secondary-color);
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  line-height: 1;
}
.logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 50px;
}

/* Desktop Navigation Buttons */
.desktop-nav-buttons {
  display: flex;
  gap: 10px;
}
.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
}

/* Main Navigation Section */
.main-nav {
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background */
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite reverse;
  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(var(--neon-primary-rgb), 0.1);
  height: 50px; /* Fixed height for calculation */
  display: flex;
  align-items: center;
}
.main-nav .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;
}

/* Nav Link Styling (Regular, NO NEON) */
.nav-link {
  color: var(--secondary-color);
  text-decoration: none;
  padding: 10px 15px;
  font-size: 16px;
  font-weight: 500;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--neon-primary);
  text-shadow: 0 0 5px var(--neon-primary);
}

/* Buttons Styling (Neon, Dynamic) */
.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  padding: 12px 20px;
  color: var(--secondary-color);
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  text-shadow:
    0 0 5px var(--secondary-color),
    0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px);
  box-shadow:
    0 0 15px var(--neon-primary),
    0 0 30px var(--neon-primary),
    inset 0 0 15px rgba(var(--neon-primary-rgb), 0.4);
}

/* Hamburger Menu (Hidden on Desktop) */
.hamburger-menu {
  display: none;
  width: 30px;
  height: 24px;
  position: relative;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
  z-index: 1002;
  padding: 5px;
  box-sizing: content-box;
  background: none;
  border: none;
}
.hamburger-menu .bar {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--neon-primary);
  border-radius: 3px;
  transition: all 0.3s ease-in-out;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

/* Mobile Menu Overlay (Hidden on Desktop) */
.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;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Footer */
.site-footer {
  background-color: #1a1a2e;
  color: #ffffff;
  padding: 40px 0 20px;
  font-size: 14px;
  margin-top: auto; /* Push footer to bottom */
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}
.footer-top {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 30px;
  margin-bottom: 30px;
}
.footer-top .footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.footer-col h4 {
  font-size: 18px;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: bold;
}
.footer-about .footer-logo {
  color: var(--primary-color);
  font-size: 22px;
  font-weight: bold;
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}
.footer-description {
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.footer-nav-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav-links ul li {
  margin-bottom: 10px;
}
.footer-nav-links ul li a {
  color: #ffffff;
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-nav-links ul li a:hover {
  color: var(--primary-color);
}

/* Payment & Game Providers & Social Media Icons */
.payment-methods .payment-icons,
.game-providers-section .game-providers-icons,
.social-media-section .social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}
.payment-methods .payment-icons img,
.game-providers-section .game-providers-icons img,
.social-media-section .social-media-icons img {
  max-height: 50px;
  height: auto;
  width: auto;
  object-fit: contain;
}
.footer-middle {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 30px;
  margin-bottom: 30px;
}
.game-providers-section,
.social-media-section {
  margin-bottom: 20px;
}
.game-providers-section:last-child,
.social-media-section:last-child {
  margin-bottom: 0;
}
.footer-bottom {
  text-align: center;
}
.footer-bottom p {
  margin: 0;
}

/* Mobile CSS */
@media (max-width: 768px) {
  /* Marquee Mobile Adaptations */
  .marquee-section {
    height: 30px;
  }
  .marquee-container {
    padding: 0 10px;
    gap: 8px;
  }
  .marquee-icon {
    width: 25px;
    height: 25px;
  }
  .marquee-icon-emoji {
    font-size: 16px;
  }
  .marquee-text {
    font-size: 13px;
    padding: 0;
  }
  .marquee-separator {
    font-size: 13px;
    margin: 0 8px;
  }
  .marquee-content {
    gap: 20px;
    animation-duration: 20s;
  }

  /* Site Header Mobile Positioning */
  .site-header {
    top: 30px; /* Adjust based on mobile marquee height */
  }

  /* Header Top Mobile Layout */
  .header-top {
    height: 60px;
  }
  .header-container {
    padding: 0 15px;
    max-width: none;
    width: 100%;
    justify-content: space-between;
    position: relative;
  }

  /* Hamburger Menu (Visible on Mobile) */
  .hamburger-menu {
    display: flex;
    order: 0;
  }

  /* Logo Centering on Mobile (Method 1: Flexbox with !important) */
  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    order: 1;
    font-size: 18px;
  }
  .logo img {
    max-height: 40px;
  }

  /* Desktop Nav Buttons (Hidden on Mobile) */
  .desktop-nav-buttons {
    display: none;
  }

  /* Mobile Nav Buttons (Visible on Mobile, Independent Row) */
  .mobile-nav-buttons {
    display: flex !important;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px;
    overflow: hidden;
    gap: 10px;
    justify-content: center;
    flex-wrap: nowrap;
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-shadow:
      0 0 5px var(--neon-secondary),
      0 0 10px var(--neon-secondary),
      inset 0 0 10px rgba(var(--neon-secondary-rgb), 0.1);
    height: 55px;
  }
  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px);
    padding: 8px 12px;
    font-size: 13px;
    text-align: center;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  /* Main Navigation (Hidden by default, shown when active) */
  .main-nav {
    display: none; /* Hidden by default */
    position: fixed;
    top: var(--header-offset); /* Below fixed header and mobile buttons */
    left: 0;
    width: 80%;\    max-width: 300px;
    height: calc(100vh - var(--header-offset));
    background: linear-gradient(180deg, #1a1a2e, #0f3460);
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite reverse;
    box-shadow:
      0 0 15px var(--neon-primary),
      0 0 30px var(--neon-primary);
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    overflow-y: auto;
    z-index: 1000; /* Ensure it's above the overlay */
  }
  .main-nav.active {
    display: flex; /* Show when active */
    transform: translateX(0);
  }
  .main-nav .nav-container {
    flex-direction: column;
    padding: 20px 0;
    width: 100%;
    max-width: none;
    justify-content: flex-start;
    align-items: flex-start;
  }
  .main-nav .nav-link {
    width: 100%;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 15px;
  }
  .main-nav .nav-link:last-child {
    border-bottom: none;
  }

  /* Footer Mobile Adaptations */
  .footer-top .footer-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-col {
    margin-bottom: 20px;
  }
  .footer-col:last-child {
    margin-bottom: 0;
  }
  .footer-container {
    padding: 0 15px;
  }

  /* Mobile Content Overflow Protection */
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: 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;
  }
}