:root {
  --primary-color: #007bff;
  --secondary-color: #ffc107;
  --bg-dark: #0a0a0a;
  --bg-dark-light: #1a1a2e;
  --bg-dark-lighter: #16213e;

  /* Neon specific colors, derived from theme but vibrant */
  --neon-cyan: #00ffff;
  --neon-magenta: #ff00ff;
  --neon-yellow: #ffff00;
  --neon-red: #ff0000;
  --neon-green: #00ff00;
  --neon-blue: #0000ff;

  /* Dynamic neon color variables for animations */
  --dynamic-neon-color-1: var(--neon-cyan);
  --dynamic-neon-color-2: var(--neon-magenta);
  --dynamic-neon-color-3: var(--neon-yellow);

  /* Header offset calculation */
  --marquee-height-desktop: 45px; 
  --header-top-height-desktop: 60px;
  --main-nav-height-desktop: 50px;
  --header-offset: calc(var(--marquee-height-desktop) + var(--header-top-height-desktop) + var(--main-nav-height-desktop)); /* 45 + 60 + 50 = 155px */
}

@media (max-width: 768px) {
  :root {
    --marquee-height-mobile: 30px; 
    --header-top-height-mobile: 50px;
    --mobile-nav-buttons-height-mobile: 50px;
    --header-offset: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height-mobile)); /* 30 + 50 + 50 = 130px */
  }
}

/* General Body & Page Content Styles for Mobile Overflow */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #121212;
  color: #e0e0e0;
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
}

@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;
  }
}

/* Keyframes for dynamic neon colors */
@keyframes neon-flow-primary {
  0%, 100% { color: var(--neon-cyan); text-shadow: 0 0 5px var(--neon-cyan), 0 0 10px var(--neon-cyan), 0 0 15px var(--neon-cyan); }
  33% { color: var(--neon-magenta); text-shadow: 0 0 5px var(--neon-magenta), 0 0 10px var(--neon-magenta), 0 0 15px var(--neon-magenta); }
  66% { color: var(--neon-yellow); text-shadow: 0 0 5px var(--neon-yellow), 0 0 10px var(--neon-yellow), 0 0 15px var(--neon-yellow); }
}

@keyframes neon-flow-border {
  0%, 100% { border-color: var(--neon-cyan); box-shadow: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan), inset 0 0 10px rgba(0, 255, 255, 0.3); }
  33% { border-color: var(--neon-magenta); box-shadow: 0 0 10px var(--neon-magenta), 0 0 20px var(--neon-magenta), inset 0 0 10px rgba(255, 0, 255, 0.3); }
  66% { border-color: var(--neon-yellow); box-shadow: 0 0 10px var(--neon-yellow), 0 0 20px var(--neon-yellow), inset 0 0 10px rgba(255, 255, 0, 0.3); }
}

@keyframes neon-flow-button {
  0%, 100% { background: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta)); border-color: var(--neon-cyan); box-shadow: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan), inset 0 0 10px rgba(0, 255, 255, 0.3); }
  33% { background: linear-gradient(135deg, var(--neon-magenta), var(--neon-yellow)); border-color: var(--neon-magenta); box-shadow: 0 0 10px var(--neon-magenta), 0 0 20px var(--neon-magenta), inset 0 0 10px rgba(255, 0, 255, 0.3); }
  66% { background: linear-gradient(135deg, var(--neon-yellow), var(--neon-cyan)); border-color: var(--neon-yellow); box-shadow: 0 0 10px var(--neon-yellow), 0 0 20px var(--neon-yellow), inset 0 0 10px rgba(255, 255, 0, 0.3); }
}

/* Marquee specific animations */
@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 animation */
.hamburger-menu.active .bar:nth-child(1) {
  animation: hamburger-x-top 0.3s forwards;
}
.hamburger-menu.active .bar:nth-child(2) {
  animation: hamburger-x-middle 0.3s forwards;
}
.hamburger-menu.active .bar:nth-child(3) {
  animation: hamburger-x-bottom 0.3s forwards;
}
.hamburger-menu .bar:nth-child(1) {
  animation: hamburger-x-top-reverse 0.3s forwards;
}
.hamburger-menu .bar:nth-child(2) {
  animation: hamburger-x-middle-reverse 0.3s forwards;
}
.hamburger-menu .bar:nth-child(3) {
  animation: hamburger-x-bottom-reverse 0.3s forwards;
}

@keyframes hamburger-x-top {
  0% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(8px) rotate(0); }
  100% { transform: translateY(8px) rotate(45deg); }
}
@keyframes hamburger-x-middle {
  0% { opacity: 1; }
  100% { opacity: 0; }
}
@keyframes hamburger-x-bottom {
  0% { transform: translateY(0) rotate(0); }
  50% { transform: translateY(-8px) rotate(0); }
  100% { transform: translateY(-8px) rotate(-45deg); }
}
@keyframes hamburger-x-top-reverse {
  0% { transform: translateY(8px) rotate(45deg); }
  50% { transform: translateY(8px) rotate(0); }
  100% { transform: translateY(0) rotate(0); }
}
@keyframes hamburger-x-middle-reverse {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes hamburger-x-bottom-reverse {
  0% { transform: translateY(-8px) rotate(-45deg); }
  50% { transform: translateY(-8px) rotate(0); }
  100% { transform: translateY(0) rotate(0); }
}

/* Marquee Section Styles */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--marquee-height-desktop);
  background: linear-gradient(135deg, var(--bg-dark), var(--bg-dark-light), var(--bg-dark-lighter));
  color: #ffffff;
  overflow: hidden;
  border-bottom: 2px solid;
  animation: neon-flow-border 4s ease-in-out infinite;
  box-shadow: 0 0 10px var(--dynamic-neon-color-1), 0 0 20px var(--dynamic-neon-color-1), 0 0 30px var(--dynamic-neon-color-1), inset 0 0 20px rgba(0, 255, 255, 0.1);
  z-index: 1001;
  display: flex;
  align-items: center;
  padding: 0 20px;
  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, neon-flow-primary 3s ease-in-out infinite alternate;
  text-shadow: 0 0 5px var(--dynamic-neon-color-1), 0 0 10px var(--dynamic-neon-color-1), 0 0 15px var(--dynamic-neon-color-1);
  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: #ffffff;
  text-decoration: none;
  text-shadow: 0 0 5px var(--dynamic-neon-color-1), 0 0 10px var(--dynamic-neon-color-1), 0 0 15px var(--dynamic-neon-color-1);
  line-height: 1.5;
  display: inline-block;
  vertical-align: middle;
  animation: neon-flow-primary 3s ease-in-out infinite alternate;
  cursor: pointer;
  transition: all 0.3s ease;
}

.marquee-text:hover {
  text-shadow: 0 0 10px var(--dynamic-neon-color-1), 0 0 20px var(--dynamic-neon-color-1), 0 0 30px var(--dynamic-neon-color-1), 0 0 40px var(--dynamic-neon-color-1);
  transform: scale(1.05);
  color: #ffffff;
}

.marquee-separator {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 15px;
  text-shadow: 0 0 3px var(--dynamic-neon-color-1), 0 0 6px var(--dynamic-neon-color-1);
}

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

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
  height: var(--header-top-height-desktop);
  box-sizing: border-box;
  border-bottom: 2px solid;
  animation: neon-flow-border 4s ease-in-out infinite;
  box-shadow: 0 0 10px var(--dynamic-neon-color-2), 0 0 20px var(--dynamic-neon-color-2), inset 0 0 20px rgba(255, 0, 255, 0.1);
}

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

.logo {
  color: #ffffff;
  font-size: 28px;
  font-weight: bold;
  text-decoration: none;
  text-transform: uppercase;
  display: block;
}

.desktop-nav-buttons {
  display: flex;
  gap: 10px;
  margin-left: auto;
}

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

.btn {
  position: relative;
  padding: 12px 25px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: neon-flow-button 4s ease-in-out infinite;
  text-shadow: 0 0 5px #ffffff, 0 0 10px var(--dynamic-neon-color-1);
  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);
  box-shadow: 0 0 15px var(--dynamic-neon-color-1), 0 0 30px var(--dynamic-neon-color-1), inset 0 0 15px rgba(0, 255, 255, 0.5);
}

.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, var(--bg-dark-light), var(--bg-dark-lighter), #0f3460);
  height: var(--main-nav-height-desktop);
  box-sizing: border-box;
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: neon-flow-border 4s ease-in-out infinite;
  box-shadow: 0 0 10px var(--dynamic-neon-color-3), 0 0 20px var(--dynamic-neon-color-3), inset 0 0 20px rgba(255, 255, 0, 0.1);
}

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

.nav-link {
  color: #e0e0e0;
  text-decoration: none;
  padding: 10px 15px;
  font-weight: 600;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--secondary-color);
  text-shadow: 0 0 5px var(--secondary-color), 0 0 10px var(--secondary-color);
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  width: 30px;
  height: 24px;
  position: relative;
  cursor: pointer;
  z-index: 1001;
}

.hamburger-menu .bar {
  width: 100%;
  height: 3px;
  background-color: #ffffff;
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px var(--dynamic-neon-color-1), 0 0 10px var(--dynamic-neon-color-1);
}

.hamburger-menu .bar:nth-child(1) { top: 0; }
.hamburger-menu .bar:nth-child(2) { top: 8px; }
.hamburger-menu .bar:nth-child(3) { top: 16px; }

/* Footer Styles */
.site-footer {
  background-color: #1a1a2e;
  color: #c0c0c0;
  padding: 40px 0 20px;
  font-size: 14px;
}

.footer-main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-grid-container {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 16px;
  margin-bottom: 15px;
  text-transform: uppercase;
}

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

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

.footer-col ul li a {
  color: #c0c0c0;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-col ul li a:hover {
  color: var(--secondary-color);
}

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

.footer-description {
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

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

.payment-icons img, .game-providers-icons img, .social-media-icons img {
  max-height: 40px;
  height: auto;
  width: auto;
  object-fit: contain;
  filter: grayscale(0.2) brightness(0.8);
  transition: filter 0.3s ease;
}

.payment-icons img:hover, .game-providers-icons img:hover, .social-media-icons img:hover {
  filter: grayscale(0) brightness(1);
}

.game-providers-section, .social-media-section {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.footer-bottom p {
  margin: 0;
}

.footer-extra-links {
  display: flex;
  gap: 15px;
}

.footer-extra-links a {
  color: #c0c0c0;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-extra-links a:hover {
  color: var(--secondary-color);
}

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

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

  .header-top {
    height: var(--header-top-height-mobile);
    padding: 10px 0;
    justify-content: flex-start;
  }

  .header-container {
    padding: 0 15px;
    justify-content: flex-start;
    position: relative;
  }

  .hamburger-menu {
    display: block;
    order: 1;
    margin-right: 15px;
  }

  .logo {
    order: 2;
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 22px;
  }

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

  .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, var(--bg-dark), var(--bg-dark-light));
    border-bottom: 1px solid;
    animation: neon-flow-border 4s ease-in-out infinite;
    box-shadow: 0 0 5px var(--dynamic-neon-color-1), 0 0 10px var(--dynamic-neon-color-1);
  }

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

  .main-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height-mobile));
    left: 0;
    width: 80%;
    max-width: 300px;
    height: calc(100vh - var(--marquee-height-mobile) - var(--header-top-height-mobile) - var(--mobile-nav-buttons-height-mobile));
    background: linear-gradient(180deg, var(--bg-dark-light), var(--bg-dark-lighter));
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    z-index: 1000;
    overflow-y: auto;
    border-right: 2px solid;
    animation: neon-flow-border 4s ease-in-out infinite;
    box-shadow: 0 0 10px var(--dynamic-neon-color-3), 0 0 20px var(--dynamic-neon-color-3), inset 0 0 20px rgba(255, 255, 0, 0.1);
  }

  .main-nav.active {
    display: flex;
    transform: translateX(0);
  }

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 15px;
    width: 100%;
    max-width: none;
  }

  .nav-link {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 16px;
  }

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

  .footer-grid-container {
    grid-template-columns: 1fr;
  }
  .footer-col {
    margin-bottom: 20px;
  }
  .footer-col:last-child {
    margin-bottom: 0;
  }
  .footer-bottom {
    padding: 15px;
  }
  .footer-extra-links {
    flex-direction: column;
    gap: 5px;
  }
}

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

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

/* Utility for preventing scroll */
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;
  }
}