:root {
  --primary-color: #26A9E0; /* 淡蓝色 */
  --secondary-color: #FFFFFF;
  --text-color: #FFFFFF;
  --dark-bg: #0a0a0a;
  --darker-bg: #1a1a2e;
  --darkest-bg: #16213e;

  /* Neon colors derived from primary/secondary, ensuring contrast */
  --neon-primary: #00FFFF; /* Cyan */
  --neon-secondary: #FF00FF; /* Magenta */
  --neon-accent: #FFFF00; /* Yellow */

  --header-offset: 155px; /* Desktop: Marquee (45) + Header Top (60) + Main Nav (50) */
}

@media (max-width: 768px) {
  :root {
    --header-offset: 140px; /* Mobile: Marquee (45) + Header Top (50) + Mobile Buttons (45) */
  }
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  background-color: var(--dark-bg);
  color: var(--text-color);
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
  overflow-x: hidden; /* Prevent horizontal scroll on body */
}

a {
  text-decoration: none;
  color: var(--secondary-color);
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary-color);
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--secondary-color);
  margin-bottom: 10px;
}

/* Neon Glow Animations */
@keyframes neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    opacity: 1;
    box-shadow: 
      0 0 10px currentColor,
      0 0 20px currentColor,
      0 0 30px currentColor,
      inset 0 0 15px currentColor;
  }
  20%, 24%, 55% {
    opacity: 0.8;
    box-shadow: 
      0 0 5px currentColor,
      0 0 10px currentColor,
      0 0 15px currentColor,
      inset 0 0 10px currentColor;
  }
}

@keyframes pulse-glow {
  0% {
    box-shadow: 
      0 0 5px currentColor,
      0 0 10px currentColor;
  }
  100% {
    box-shadow: 
      0 0 15px currentColor,
      0 0 30px currentColor,
      0 0 45px currentColor;
  }
}

@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: #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;
  }
}

/* Marquee Section */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 45px; /* Fixed height for marquee */
  background: linear-gradient(135deg, var(--dark-bg), var(--darker-bg), var(--darkest-bg));
  color: var(--secondary-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(0, 255, 255, 0.1);
  z-index: 1001;
}

.marquee-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 10px 20px;
  height: 100%; /* Ensure container fills marquee height */
}

.marquee-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  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));
}

@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;
  height: 100%; /* Ensure content fills wrapper height */
}

.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);
}

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

/* Header Styles */
.site-header {
  position: fixed;
  top: 45px; /* Marquee height */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(135deg, var(--dark-bg), var(--darker-bg));
  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);
}

.header-top {
  display: flex;
  align-items: center;
  min-height: 60px; /* Desktop Header Top height */
  background: linear-gradient(135deg, var(--dark-bg), var(--darker-bg));
  padding: 10px 0;
}

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

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--secondary-color); /* No neon for logo */
  text-decoration: none;
  display: block; /* Ensure visibility */
  height: auto;
  line-height: 1;
}

.logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 50px;
}

.desktop-nav-buttons {
  display: flex; /* Desktop default: show */
  gap: 10px;
  align-items: center;
}

.mobile-nav-buttons {
  display: none; /* Desktop default: hide */
}

/* Main Navigation */
.main-nav {
  display: flex; /* Desktop default: show */
  justify-content: center;
  align-items: center;
  min-height: 50px; /* Desktop Main Nav height */
  background: linear-gradient(135deg, var(--darker-bg), var(--darkest-bg));
  border-top: 1px solid;
  animation: theme-colors 4s ease-in-out infinite reverse; /* Different animation for contrast */
  box-shadow: 
    0 0 10px var(--neon-secondary),
    0 0 20px var(--neon-secondary),
    0 0 30px var(--neon-secondary),
    inset 0 0 20px rgba(255, 0, 255, 0.1);
  padding: 0 20px;
}

.nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 25px;
  flex-wrap: wrap;
}

.nav-link {
  color: var(--secondary-color);
  font-weight: 600;
  font-size: 16px;
  padding: 10px 0;
  white-space: nowrap;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--primary-color);
}

.hamburger-menu {
  display: none; /* Desktop default: hide */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1002;
}

.hamburger-icon {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--secondary-color);
  margin: 5px 0;
  transition: all 0.3s ease;
  box-shadow: 
    0 0 5px var(--neon-primary),
    0 0 10px var(--neon-primary);
}

.hamburger-menu.active .hamburger-icon:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger-menu.active .hamburger-icon:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active .hamburger-icon:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Buttons */
.btn {
  position: relative;
  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: bold;
  white-space: nowrap; /* Prevent button text from wrapping on desktop */
}

.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 
    0 0 15px var(--neon-primary),
    0 0 30px var(--neon-primary),
    inset 0 0 15px rgba(0, 255, 255, 0.5);
}

/* Footer Styles */
.site-footer {
  background-color: var(--dark-bg);
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0 20px;
  font-size: 14px;
}

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

.site-footer .footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

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

.footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 15px;
  display: block;
}

.footer-description {
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 0.6);
}

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

.footer-nav a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
}

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

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

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

.footer-middle {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
}

.footer-middle .footer-container {
  display: flex;
  flex-direction: column;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.game-providers-section h4,
.social-media-section h4 {
  margin-bottom: 15px;
  color: var(--secondary-color);
  font-size: 16px;
  text-transform: uppercase;
}

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

.copyright-text {
  color: rgba(255, 255, 255, 0.5);
}

/* Responsive Styles */
@media (max-width: 768px) {
  .marquee-section {
    height: 45px; /* Keep consistent height */
    padding: 0px 2px;
  }
  
  .marquee-container {
    gap: 10px;
    padding: 0px 5px;
  }
  
  .marquee-icon {
    width: 20px;
    height: 20px;
  }
  
  .marquee-icon-emoji {
    font-size: 14px;
  }
  
  .marquee-text {
    font-size: 13px;
  }
  
  .marquee-separator {
    font-size: 13px;
    margin: 0 5px;
  }
  
  .marquee-content {
    gap: 15px;
    animation: marquee-scroll 25s linear infinite;
  }

  /* Header */
  .site-header {
    top: 45px; /* Marquee height */
    min-height: auto;
  }

  .header-top {
    min-height: 50px; /* Mobile Header Top height */
    padding: 5px 0;
    position: relative; /* For absolute logo positioning if needed */
  }

  .header-container {
    padding: 0 15px;
    width: 100%;
    max-width: none; /* Mobile container fills width */
    justify-content: flex-start; /* Adjust for hamburger + centered logo */
  }

  .hamburger-menu {
    display: block; /* Mobile: show hamburger */
    order: 1; /* Place on left */
    margin-right: 15px;
    flex-shrink: 0;
  }

  .logo {
    order: 2; /* Place in middle */
    flex: 1 !important; /* Take remaining space */
    display: flex !important; /* Use flex to center logo */
    justify-content: center !important;
    align-items: center !important;
    font-size: 20px; /* Adjust logo size for mobile */
    max-width: calc(100% - 70px); /* Account for hamburger width + padding */
  }

  .logo img {
    max-height: 40px; /* Mobile logo max height */
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Mobile: show mobile buttons */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px; /* Add padding to buttons container */
    overflow: hidden;
    gap: 10px;
    justify-content: center;
    flex-wrap: nowrap; /* Ensure buttons stay in one line */
    background: linear-gradient(135deg, var(--darker-bg), var(--darkest-bg));
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .main-nav {
    display: none; /* Mobile default: hide */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Position below fixed header and mobile buttons */
    left: 0;
    width: 250px; /* Sidebar width */
    height: calc(100vh - var(--header-offset)); /* Full height below header */
    background: linear-gradient(180deg, var(--dark-bg), var(--darker-bg));
    padding: 20px 0;
    transform: translateX(-100%); /* Hidden by default */
    transition: transform 0.3s ease-in-out;
    z-index: 1000; /* Above overlay, below hamburger */
    overflow-y: auto;
    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),
      0 0 30px var(--neon-primary),
      inset 0 0 20px rgba(0, 255, 255, 0.1);
  }

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

  .nav-container {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    width: 100%;
    max-width: none; /* Mobile container fills width */
    align-items: flex-start;
  }

  .nav-link {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

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

  .mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 999; /* Below menu, above content */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
  }

  .mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  body.no-scroll {
    overflow: hidden;
  }

  /* Footer */
  .site-footer .footer-container {
    grid-template-columns: 1fr; /* Single column layout for mobile */
    gap: 20px;
    padding: 0 15px;
    max-width: none;
  }

  .footer-middle .footer-container {
    padding: 0 15px;
    max-width: none;
  }

  .payment-icons img,
  .game-providers-icons img,
  .social-media-icons img {
    max-height: 35px; /* Smaller icons for mobile */
  }

  .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;
  }
}