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

  /* Neon colors for dynamic effects - based on primary/secondary/accent */
  --neon-glow-color-1: #00ff00; /* Bright Green */
  --neon-glow-color-2: #ff00ff; /* Magenta */
  --neon-glow-color-3: #ffff00; /* Bright Yellow */
  --neon-glow-color-4: #00ffff; /* Cyan */
  --neon-glow-color-5: #ff0000; /* Bright Red */

  /* Header offsets */
  --header-offset: 155px; /* Desktop: Marquee (45px) + HeaderTop (60px) + MainNav (50px) */
}

@media (max-width: 768px) {
  :root {
    --header-offset: 145px; /* Mobile: Marquee (30px) + HeaderTop (55px) + MobileNavButtons (60px) */
  }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
  background-color: var(--bg-color);
  color: #333;
  overflow-x: hidden; /* Prevent horizontal scroll on body */
}

/* Base styles for anchors and buttons */
a {
  text-decoration: none;
  color: inherit;
}

/* 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-marquee 4s ease-in-out infinite;
  box-shadow:
    0 0 10px var(--neon-glow-color-1),
    0 0 20px var(--neon-glow-color-1),
    inset 0 0 20px rgba(0, 255, 0, 0.1);
  z-index: 1001;
  height: 45px; /* Desktop height */
  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;
  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-marquee 3s ease-in-out infinite alternate;
  text-shadow:
    0 0 5px var(--neon-glow-color-1),
    0 0 10px var(--neon-glow-color-1),
    0 0 15px var(--neon-glow-color-1);
  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;
  height: 100%;
}

.marquee-content {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  animation: marquee-scroll 30s linear infinite;
  gap: 30px;
  height: 100%;
}

.marquee-text {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  text-shadow:
    0 0 5px var(--neon-glow-color-1),
    0 0 10px var(--neon-glow-color-1),
    0 0 15px var(--neon-glow-color-1);
  line-height: 1.5;
  display: inline-block;
  vertical-align: middle;
  animation: text-glow-flow-marquee 3s ease-in-out infinite alternate;
  cursor: pointer;
  transition: all 0.3s ease;
}

.marquee-text:hover {
  text-shadow:
    0 0 10px var(--neon-glow-color-1),
    0 0 20px var(--neon-glow-color-1),
    0 0 30px var(--neon-glow-color-1),
    0 0 40px var(--neon-glow-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(--neon-glow-color-1),
    0 0 6px var(--neon-glow-color-1);
}

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

@keyframes theme-colors-marquee {
  0%, 100% { border-color: var(--neon-glow-color-1); box-shadow: 0 0 10px var(--neon-glow-color-1), 0 0 20px var(--neon-glow-color-1), inset 0 0 20px rgba(0, 255, 0, 0.1); }
  25% { border-color: var(--neon-glow-color-2); box-shadow: 0 0 10px var(--neon-glow-color-2), 0 0 20px var(--neon-glow-color-2), inset 0 0 20px rgba(255, 0, 255, 0.1); }
  50% { border-color: var(--neon-glow-color-3); box-shadow: 0 0 10px var(--neon-glow-color-3), 0 0 20px var(--neon-glow-color-3), inset 0 0 20px rgba(255, 255, 0, 0.1); }
  75% { border-color: var(--neon-glow-color-4); box-shadow: 0 0 10px var(--neon-glow-color-4), 0 0 20px var(--neon-glow-color-4), inset 0 0 20px rgba(0, 255, 255, 0.1); }
}

@keyframes text-glow-flow-marquee {
  0% { text-shadow: 0 0 5px var(--neon-glow-color-1), 0 0 10px var(--neon-glow-color-1), 0 0 15px var(--neon-glow-color-1); color: #ffffff; }
  25% { text-shadow: 0 0 5px var(--neon-glow-color-2), 0 0 10px var(--neon-glow-color-2), 0 0 15px var(--neon-glow-color-2); color: #ffffff; }
  50% { text-shadow: 0 0 5px var(--neon-glow-color-3), 0 0 10px var(--neon-glow-color-3), 0 0 15px var(--neon-glow-color-3); color: #ffffff; }
  75% { text-shadow: 0 0 5px var(--neon-glow-color-4), 0 0 10px var(--neon-glow-color-4), 0 0 15px var(--neon-glow-color-4); color: #ffffff; }
  100% { text-shadow: 0 0 5px var(--neon-glow-color-5), 0 0 10px var(--neon-glow-color-5), 0 0 15px var(--neon-glow-color-5); color: #ffffff; }
}

/* Header Section Styles */
.site-header {
  position: fixed;
  top: 45px; /* Marquee height */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
}

.header-top {
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  border-bottom: 2px solid;
  animation: theme-colors-header-top 4s ease-in-out infinite;
  box-shadow:
    0 0 10px var(--neon-glow-color-3),
    0 0 20px var(--neon-glow-color-3),
    inset 0 0 20px rgba(255, 255, 0, 0.1);
  padding: 10px 0;
  height: 40px;
  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: 24px;
  font-weight: bold;
  color: var(--secondary-color);
  text-decoration: none;
  display: block;
  flex-shrink: 0;
}

.hamburger-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 24px;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
  z-index: 1002;
  animation: theme-colors-hamburger 4s ease-in-out infinite;
  box-shadow:
    0 0 5px var(--neon-glow-color-4),
    0 0 10px var(--neon-glow-color-4);
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 3px;
  background-color: #ffffff;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px #ffffff, 0 0 10px var(--neon-glow-color-4);
}

.hamburger-menu.active .hamburger-line:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.hamburger-menu.active .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger-menu.active .hamburger-line:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

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

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

.main-nav {
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors-main-nav 4s ease-in-out infinite;
  box-shadow:
    0 0 10px var(--neon-glow-color-5),
    0 0 20px var(--neon-glow-color-5),
    inset 0 0 20px rgba(255, 0, 0, 0.1);
  padding: 10px 0;
  height: 30px;
  display: flex;
  align-items: center;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  gap: 25px;
}

.nav-link {
  color: var(--secondary-color);
  font-size: 16px;
  font-weight: 500;
  padding: 5px 0;
  transition: color 0.3s ease, border-bottom 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

/* Button Styles (Neon) */
.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-glow-color-1), var(--neon-glow-color-3));
  padding: 12px 20px;
  color: var(--register-login-font-color);
  font-weight: bold;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors-btn 4s ease-in-out infinite;
  text-shadow:
    0 0 5px var(--register-login-font-color),
    0 0 10px var(--neon-glow-color-1);
  transition: all 0.3s ease;
  white-space: nowrap;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px);
  box-shadow:
    0 0 15px var(--neon-glow-color-1),
    0 0 30px var(--neon-glow-color-1),
    0 0 45px var(--neon-glow-color-1),
    inset 0 0 15px rgba(0, 255, 0, 0.3);
}
/* 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;
  }
}