:root {
  --primary-color: #0A192F;
  --secondary-color: #FFD700;
  --text-color: #ffffff;
  --accent-color: #FF6600; /* For general neon accents */
  --dark-bg: #0a0a0a;
  --dark-gradient: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);

  /* Neon Dynamic Colors - based on theme */
  --neon-primary: var(--secondary-color); /* Gold */
  --neon-secondary: #FF1493; /* Deep Pink */
  --neon-accent: #00FFFF; /* Cyan */

  /* Header offset calculation */
  --marquee-height-desktop: 45px; /* Adjust if marquee height changes */
  --header-top-height-desktop: 70px; /* 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 */
}

@media (max-width: 768px) {
  :root {
    --marquee-height-mobile: 35px; /* Adjust if marquee height changes */
    --header-top-height-mobile: 60px; /* Hamburger + Logo row */
    --mobile-nav-buttons-height: 55px; /* Mobile buttons row (approx) */
    --header-offset: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height)); /* Mobile */
  }
}

/* Base Styles */
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  color: var(--text-color);
  background-color: #1a1a2e; /* General page background */
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
  overflow-x: hidden; /* Prevent horizontal scroll */
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-container, .header-container, .nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Neon Dynamic Color Animations */
@keyframes rainbow-border {
  0% { border-color: #ff0000; box-shadow: 0 0 10px #ff0000, 0 0 20px #ff0000; }
  16.6% { border-color: #ff8000; box-shadow: 0 0 10px #ff8000, 0 0 20px #ff8000; }
  33.3% { border-color: #ffff00; box-shadow: 0 0 10px #ffff00, 0 0 20px #ffff00; }
  50% { border-color: #00ff00; box-shadow: 0 0 10px #00ff00, 0 0 20px #00ff00; }
  66.6% { border-color: #0000ff; box-shadow: 0 0 10px #0000ff, 0 0 20px #0000ff; }
  83.3% { border-color: #8000ff; box-shadow: 0 0 10px #8000ff, 0 0 20px #8000ff; }
  100% { border-color: #ff0000; box-shadow: 0 0 10px #ff0000, 0 0 20px #ff0000; }
}

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

@keyframes alternate-colors {
  0% { border-color: var(--neon-primary); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
  100% { 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: #ff00ff; box-shadow: 0 0 20px #ff00ff; }
  20% { border-color: #00ffff; box-shadow: 0 0 20px #00ffff; }
  40% { border-color: #ffff00; box-shadow: 0 0 20px #ffff00; }
  60% { border-color: #00ff00; box-shadow: 0 0 20px #00ff00; }
  80% { border-color: #ff0000; box-shadow: 0 0 20px #ff0000; }
  100% { border-color: #ff00ff; box-shadow: 0 0 20px #ff00ff; }
}

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

@keyframes neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% { opacity: 1; }
  20%, 24%, 55% { opacity: 0.8; }
}

@keyframes pulse-glow {
  from { box-shadow: 0 0 5px currentColor, 0 0 10px currentColor; }
  to { box-shadow: 0 0 15px currentColor, 0 0 30px currentColor, 0 0 45px currentColor; }
}

@keyframes led-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

/* Marquee Section Styles */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--marquee-height-desktop); /* Fixed height */
  background: var(--dark-gradient);
  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, 0, 255, 0.1);
  z-index: 1001;
  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: 30px; /* Adjusted size */
  height: 30px; /* Adjusted size */
  z-index: 2;
  position: relative;
}

.marquee-icon-emoji {
  font-size: 20px; /* Adjusted size */
  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; /* Adjusted size */
  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;
}

.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; /* Adjusted size */
  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%); }
}

/* Header Styles (Desktop First) */
.site-header {
  position: fixed;
  top: var(--marquee-height-desktop); /* Position below marquee */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--dark-gradient); /* General dark background for header */
}

.header-top {
  width: 100%;
  background: linear-gradient(135deg, var(--primary-color), #1a1a2e); /* Darker gradient for top bar */
  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),
    inset 0 0 10px rgba(255, 215, 0, 0.1);
  min-height: var(--header-top-height-desktop);
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%; /* Occupy full width within max-width */
  padding: 10px 20px;
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--secondary-color); /* Gold for logo, no neon */
  text-decoration: none;
  flex-shrink: 0;
  /* NO NEON EFFECTS on LOGO */
  /* text-shadow: none; box-shadow: none; animation: none; filter: none; */
}

.desktop-nav-buttons {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  padding: 12px 25px;
  color: var(--text-color);
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  text-shadow:
    0 0 5px var(--text-color),
    0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap; /* Prevent button text from wrapping on desktop */
}

.btn:hover {
  animation-duration: 2s; /* faster glow on hover */
  transform: translateY(-2px);
  box-shadow:
    0 0 15px var(--neon-primary),
    0 0 30px var(--neon-primary),
    0 0 45px var(--neon-primary),
    inset 0 0 15px rgba(255, 215, 0, 0.5);
}

.main-nav {
  width: 100%;
  background: linear-gradient(135deg, #1a1a2e, var(--primary-color)); /* Slightly different dark gradient for nav */
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  box-shadow:
    0 0 10px var(--neon-secondary),
    0 0 20px var(--neon-secondary),
    inset 0 0 10px rgba(0, 255, 255, 0.1);
  min-height: var(--main-nav-height-desktop);
  display: flex; /* Desktop: visible, row layout */
  align-items: center;
}

.nav-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 10px 20px;
  gap: 25px;
}

.nav-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-color); /* Regular text color for nav links */
  text-decoration: none;
  padding: 5px 0;
  transition: color 0.3s ease, transform 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--secondary-color);
  transform: translateY(-2px);
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
  z-index: 1002; /* Above logo and mobile buttons */
  flex-shrink: 0;
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--secondary-color); /* Neon color for hamburger */
  transition: all 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary); /* Neon glow */
}

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

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

.mobile-menu-overlay {
  display: none; /* Hidden on desktop */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 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 Styles */
.site-footer {
  background-color: var(--primary-color); /* Dark blue for footer */
  color: var(--text-color);
  padding: 40px 0 20px;
  font-size: 14px;
}

.footer-top-section {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 30px;
  margin-bottom: 30px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.footer-col h4 {
  font-size: 16px;
  color: var(--secondary-color);
  margin-bottom: 15px;
  text-transform: uppercase;
}

.footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--secondary-color);
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

.footer-description {
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  word-wrap: break-word; /* Ensure text wraps */
  overflow-wrap: break-word;
}

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

.footer-nav-list a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
}

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

.payment-icons, .game-providers-icons, .social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px; /* Adjusted gap for tighter packing */
  width: 100%;
}

.payment-icons img, .game-providers-icons img, .social-media-icons img {
  max-height: 40px; /* Adjusted max-height */
  height: auto;
  width: auto;
  object-fit: contain;
}

.footer-middle-section {
  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-section {
  text-align: center;
}

.copyright {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 15px;
}

.footer-legal-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-legal-nav a {
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.3s ease;
}

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

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .footer-container, .header-container, .nav-container {
    padding-left: 15px;
    padding-right: 15px;
    max-width: none; /* Occupy full width on mobile */
    width: 100%;
  }

  /* Marquee Mobile */
  .marquee-section {
    height: var(--marquee-height-mobile);
    padding: 0;
  }
  .marquee-container {
    gap: 10px;
    padding: 0 10px;
  }
  .marquee-icon {
    width: 25px;
    height: 25px;
  }
  .marquee-icon-emoji {
    font-size: 16px;
  }
  .marquee-text {
    font-size: 13px;
  }
  .marquee-separator {
    font-size: 13px;
    margin: 0 8px;
  }
  .marquee-content {
    gap: 20px;
    animation: marquee-scroll 25s linear infinite;
  }

  /* Header Mobile */
  .site-header {
    top: var(--marquee-height-mobile); /* Position below mobile marquee */
  }

  .header-top {
    min-height: var(--header-top-height-mobile);
    padding: 10px 0; /* Adjusted padding */
  }

  .header-container {
    justify-content: space-between;
    padding: 0 15px; /* Mobile specific padding */
    position: relative; /* For absolute positioning of logo if needed */
  }

  .hamburger-menu {
    display: flex; /* Show on mobile */
    order: 1; /* Left side */
    margin-right: auto; /* Push logo to center */
  }

  .logo {
    order: 2; /* Center */
    flex: 1 !important; /* Take remaining space */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 22px; /* Smaller logo text */
    max-width: calc(100% - 60px); /* Account for hamburger menu width */
  }

  .desktop-nav-buttons {
    display: none; /* Hide desktop buttons */
  }

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    justify-content: center;
    gap: 10px;
    padding: 8px 15px; /* Padding for the button bar */
    background: linear-gradient(135deg, #1a1a2e, #0f3460); /* Dark background for button bar */
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-shadow:
      0 0 8px var(--neon-accent),
      0 0 15px var(--neon-accent);
    min-height: var(--mobile-nav-buttons-height);
    flex-wrap: nowrap; /* Ensure buttons stay in one line */
    box-sizing: border-box;
    width: 100%;
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Two buttons with 10px gap */
    padding: 8px 12px; /* Smaller padding */
    font-size: 13px; /* Smaller font size */
    text-align: center;
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Position below entire header */
    left: 0;
    width: 75%; /* Slide-out menu width */
    height: calc(100vh - var(--header-offset)); /* Full height below header */
    background: var(--dark-gradient); /* Dark background for slide-out menu */
    padding: 20px 0;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%); /* Start off-screen */
    transition: transform 0.3s ease;
    z-index: 1000; /* Above overlay */
    overflow-y: auto; /* Allow scrolling for long menus */
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
  }

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

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    padding: 0 20px;
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    font-size: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-link:last-child {
    border-bottom: none;
  }

  .nav-link::after {
    left: 0;
    transform: translateX(0);
  }

  /* Footer Mobile */
  .footer-container {
    grid-template-columns: 1fr; /* Single column layout */
    gap: 20px;
  }

  .footer-col {
    text-align: center;
  }

  .footer-logo {
    text-align: center;
    margin-bottom: 10px;
  }

  .footer-description {
    padding: 0 10px;
  }

  .footer-nav-list {
    text-align: center;
  }

  .footer-legal-nav {
    flex-direction: column;
    gap: 10px;
  }

  .payment-icons, .game-providers-icons, .social-media-icons {
    justify-content: center;
  }

  /* Prevent content overflow */
  .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 class for body when menu is open */
body.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;
  }
}