:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-color: #C30808;
  --login-color: #C30808;
  --background-color: #FFFFFF;
  --register-login-font-color: #FFFF00;

  /* Neon colors derived from primary/secondary/accent */
  --neon-primary: #00FF00; /* Vibrant Green */
  --neon-secondary: #FFFF00; /* Vibrant Yellow */
  --neon-accent: #FF00FF;   /* Vibrant Magenta/Pink for cyberpunk feel */
  --neon-red: #FF0000;      /* Vibrant Red for contrast/buttons */
  --neon-blue: #00FFFF;     /* Vibrant Cyan */

  /* 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)); /* Desktop: Marquee + Header Top + Main Nav */
}

@media (max-width: 768px) {
  :root {
    --marquee-height-mobile: 30px;
    --header-top-height-mobile: 50px; /* Hamburger + Logo */
    --mobile-nav-buttons-height: 45px;
    --header-offset: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height)); /* Mobile: Marquee + Header Top + Mobile Buttons */
  }
}

/* Base Styles */
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #f0f0f0; /* Default text color for dark backgrounds */
  background-color: #121212; /* Dark base background */
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
  overflow-x: hidden; /* Prevent horizontal scroll on desktop */
}

*, *::before, *::after {
  box-sizing: border-box;
}

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

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

/* Neon Dynamic Color 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, 0, 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, 255, 0, 0.3);
  }
  66% {
    border-color: var(--neon-red); /* Using neon-red for a third distinct color */
    box-shadow:
      0 0 10px var(--neon-red),
      0 0 20px var(--neon-red),
      inset 0 0 10px rgba(255, 0, 0, 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-red),
      0 0 10px var(--neon-red),
      0 0 15px var(--neon-red);
    color: #ffffff;
  }
}

/* Marquee Section Styles */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
  color: #ffffff;
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors 8s ease-in-out infinite alternate; /* Dynamic color border */
  box-shadow:
    0 0 10px rgba(0, 255, 0, 0.7),
    0 0 20px rgba(0, 255, 0, 0.5),
    inset 0 0 10px rgba(0, 255, 0, 0.1);
  z-index: 1001;
  height: var(--marquee-height-desktop);
  display: flex;
  align-items: center;
  justify-content: 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;
  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);
  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 40s linear infinite;
  gap: 30px;
  padding-right: 30px; /* Ensure space at the end before loop */
}

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

.marquee-text {
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  animation: text-glow-flow 3s ease-in-out infinite alternate;
  cursor: pointer;
  transition: all 0.3s ease;
  line-height: 1.2;
}

.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 15px;
  text-shadow:
    0 0 3px var(--neon-primary),
    0 0 6px var(--neon-primary);
}

/* Header Styles */
.site-header {
  position: fixed;
  top: var(--marquee-height-desktop); /* Position below marquee */
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent; /* Background handled by header-top and main-nav */
}

.header-top {
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
  border-bottom: 2px solid;
  animation: theme-colors 8s ease-in-out infinite alternate; /* Dynamic color border */
  box-shadow:
    0 0 10px rgba(0, 255, 0, 0.7),
    0 0 20px rgba(0, 255, 0, 0.5),
    inset 0 0 10px rgba(0, 255, 0, 0.1);
  padding: 10px 0;
  height: var(--header-top-height-desktop);
  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;
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--secondary-color); /* Regular white for logo */
  text-decoration: none;
  /* LOGO must NOT have neon effects */
  /* No text-shadow, box-shadow, filter, or neon animations */
  display: block; /* Ensure it's not hidden by default */
}
.logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 40px; /* Desktop logo height */
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1002; /* Above other header elements */
}

.hamburger-menu span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--neon-primary);
  margin-bottom: 5px;
  transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}
.hamburger-menu span:last-child {
  margin-bottom: 0;
}

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

.desktop-nav-buttons {
  display: flex; /* Visible on desktop */
  gap: 10px;
}

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

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--register-color), var(--login-color)); /* Red gradient */
  padding: 10px 20px;
  color: var(--register-login-font-color); /* Yellow font */
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 6s ease-in-out infinite alternate; /* Dynamic color border */
  font-weight: bold;
  text-shadow:
    0 0 5px var(--register-login-font-color),
    0 0 10px var(--register-login-font-color);
  transition: all 0.3s ease;
  white-space: nowrap; /* Prevent button text wrapping on desktop */
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
}
/* Payment Methods 图标容器样式 */
.payment-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 5px;
}

.payment-icons img,
.payment-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}

/* Game Providers 图标容器样式 */
.game-providers-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.game-providers-icons img,
.game-provider-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}

/* Social Media 图标容器样式 */
.social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.social-media-icons img,
.social-media-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}
/* 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;
  }
}