:root {
  --primary-color: #11A84E; /* Green Gold */
  --secondary-color: #22C768; /* Green Gold */
  --btn-gradient-start: #2AD16F;
  --btn-gradient-end: #13994A;
  --card-bg: #11271B;
  --bg-color: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green: #0A4B2C;

  /* Neon specific colors, adapting to theme */
  --neon-primary: var(--glow-color); /* Use glow for primary neon */
  --neon-secondary: var(--secondary-color); /* Use secondary for secondary neon */
  --neon-accent: var(--gold-color); /* Use gold for accent neon */

  /* Header offsets, based on mandatory marquee */
  --marquee-height-desktop: 44px;
  --marquee-height-mobile: 36px;
  --header-top-height-desktop: 68px;
  --header-top-height-mobile: 60px;
  --main-nav-height-desktop: 52px;
  --main-nav-height-mobile: 48px;
  --mobile-nav-buttons-height: 48px;

  /* Calculated header offsets (marquee + header-top + main-nav + 2px buffer) */
  --header-offset: calc(var(--marquee-height-desktop) + var(--header-top-height-desktop) + var(--main-nav-height-desktop) + 2px); /* 44 + 68 + 52 + 2 = 166px */
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text-main);
  background-color: var(--bg-color);
  line-height: 1.6;
  padding-top: var(--header-offset); /* Important: body padding for fixed header */
  overflow-x: hidden; /* Prevent horizontal scroll from initial load */
}

body.no-scroll {
  overflow: hidden;
}

/* 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); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
  100% { filter: hue-rotate(360deg); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
}
@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%; box-shadow: 0 0 10px #ff0000, 0 0 20px #ff8000; }
  50% { background-position: 100% 50%; box-shadow: 0 0 10px #00ffff, 0 0 20px #0000ff; }
  100% { background-position: 0% 50%; box-shadow: 0 0 10px #ff0000, 0 0 20px #ff8000; }
}
@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; }
}
@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 {
  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); /* Desktop height */
  box-sizing: border-box;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  color: #ffffff;
  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, 255, 255, 0.1);
  z-index: 1001;
}
.marquee-container {
  width: 100%;
  max-width: 100%;
  height: 100%;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 0 20px;
  box-sizing: border-box;
}
.marquee-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  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;
}
.marquee-text {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  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: #ffffff;
}
.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: var(--marquee-height-desktop); /* Below marquee */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  color: var(--text-main);
  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, 255, 255, 0.1);
}

.header-top {
  box-sizing: border-box;
  min-height: var(--header-top-height-desktop); /* Desktop height */
  height: var(--header-top-height-desktop);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Darker background */
  border-bottom: 1px solid var(--divider-color); /* Subtle divider */
}

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

.logo {
  color: var(--text-main); /* Regular color, no neon glow */
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  text-transform: uppercase; /* Ensure uppercase for English part */
  display: block; /* Default for desktop */
}
.logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 60px; /* Desktop max height */
  object-fit: contain;
}

.desktop-nav-buttons {
  display: flex; /* Always flex on desktop */
  gap: 10px;
  align-items: center;
}

.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
  box-sizing: border-box;
  min-height: var(--mobile-nav-buttons-height); /* Min height for mobile button row */
  padding: 10px 20px; /* Padding for mobile button row */
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
  border-top: 1px solid var(--divider-color);
  border-bottom: 1px solid var(--divider-color);
}

.main-nav {
  box-sizing: border-box;
  min-height: var(--main-nav-height-desktop); /* Desktop height */
  height: var(--main-nav-height-desktop);
  display: flex; /* Default flex for desktop */
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background */
  border-top: 2px 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(0, 255, 255, 0.1);
}

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

.nav-link {
  color: var(--text-main); /* Regular link color */
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  padding: 5px 0;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--neon-primary); /* Highlight on hover/active */
  text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

.btn {
  position: relative;
  background: linear-gradient(180deg, var(--btn-gradient-start) 0%, var(--btn-gradient-end) 100%);
  padding: 12px 30px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
  text-shadow: 
    0 0 5px #ffffff,
    0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: bold;
  cursor: pointer;
  white-space: nowrap; /* Prevent button text from wrapping on desktop */
}
.btn:hover {
  animation-duration: 2s; /* Faster animation on hover */
  transform: translateY(-2px);
  box-shadow: 
    0 0 15px var(--neon-primary),
    0 0 30px var(--neon-primary),
    inset 0 0 15px rgba(255, 255, 255, 0.3);
}

/* Hamburger menu for mobile */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  width: 30px;
  height: 20px;
  position: relative;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1002; /* Above logo on mobile */
  flex-shrink: 0;
}
.hamburger-icon {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--neon-primary);
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
  animation: text-glow-flow 3s ease-in-out infinite alternate; /* Neon glow for hamburger */
}
.hamburger-icon:nth-child(1) { top: 0; }
.hamburger-icon:nth-child(2) { top: 9px; }
.hamburger-icon:nth-child(3) { top: 18px; }

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

.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;
  transition: opacity 0.3s ease;
  opacity: 0;
}
.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

/* Footer Styles */
.site-footer {
  background-color: var(--card-bg); /* Regular style, no neon */
  color: var(--text-secondary);
  padding: 40px 20px 20px;
  font-size: 14px;
}
.footer-top-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--divider-color);
}
.footer-col h3 {
  color: var(--text-main);
  font-size: 18px;
  margin-bottom: 15px;
}
.footer-logo {
  color: var(--text-main);
  font-size: 20px;
  font-weight: bold;
  text-decoration: none;
  margin-bottom: 15px;
  display: block;
  text-transform: uppercase;
}
.footer-description {
  line-height: 1.8;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.footer-nav, .footer-nav-legal {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav li, .footer-nav-legal li {
  margin-bottom: 10px;
}
.footer-nav a, .footer-nav-legal a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}
.footer-nav a:hover, .footer-nav-legal a:hover {
  color: var(--primary-color);
}
.footer-bottom-nav {
  max-width: 1200px;
  margin: 0 auto 20px;
  padding: 0 20px;
  border-top: 1px solid var(--divider-color);
  padding-top: 20px;
}
.footer-nav-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 15px 30px;
  justify-content: center;
}
.footer-nav-legal li {
  margin-bottom: 0;
}
.footer-bottom {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  color: var(--text-secondary);
}
.footer-bottom p {
  margin: 0;
}

/* Dynamic Slot Anchors - ensure visibility */
.footer-slot-anchor-inner {
  display: block;
  min-height: 1px;
}

/* Responsive Styles */
@media (max-width: 768px) {
  :root {
    --header-offset: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--main-nav-height-mobile) + 2px); /* 36 + 60 + 48 + 2 = 146px */
  }

  .marquee-section {
    height: var(--marquee-height-mobile); /* Mobile height */
  }
  .marquee-container {
    gap: 10px;
    padding: 0 12px;
  }
  .marquee-icon {
    width: 20px;
    height: 20px;
  }
  .marquee-icon-emoji {
    font-size: 14px;
  }
  .marquee-text {
    font-size: 14px;
  }
  .marquee-separator {
    font-size: 14px;
    margin: 0 10px;
  }
  .marquee-content {
    gap: 20px;
    animation: marquee-scroll 25s linear infinite;
  }

  .site-header {
    top: var(--marquee-height-mobile); /* Below marquee */
  }
  .header-top {
    min-height: var(--header-top-height-mobile); /* Mobile height */
    height: var(--header-top-height-mobile);
    display: flex;
    justify-content: space-between; /* Hamburger left, Logo center, right empty */
    padding: 0 15px; /* Adjust padding for mobile */
  }
  .header-container {
    width: 100%;
    max-width: none; /* Important: allow full width */
    padding: 0; /* Remove container padding as header-top has it */
    position: relative; /* For absolute positioning of logo if needed */
  }

  .logo {
    flex: 1 !important; /* Take remaining space */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 20px; /* Smaller font size for mobile logo */
    max-width: calc(100% - 60px); /* Account for hamburger width */
  }
  .logo img {
    max-height: 56px !important; /* Mobile max height */
  }

  .desktop-nav-buttons {
    display: none !important; /* Hide desktop buttons on mobile */
  }
  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons on mobile */
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 8px 15px; /* Smaller padding */
    flex-wrap: nowrap; /* Prevent buttons from wrapping */
  }
  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Two buttons, evenly spaced */
    padding: 8px 12px; /* Smaller padding */
    font-size: 13px; /* Smaller font size */
    white-space: normal; /* Allow text wrap for long button text */
    word-wrap: break-word;
    overflow-wrap: break-word;
    text-align: center;
  }

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
    order: -1; /* Place it at the beginning of flex container */
    margin-right: auto; /* Push logo to center */
  }

  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column; /* Vertical menu */
    position: fixed;
    top: calc(var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height) + 2px); /* Below header + buttons */
    left: 0;
    width: 80%; /* Menu width */
    max-width: 300px;
    height: calc(100% - (var(--marquee-height-mobile) + var(--header-top-height-mobile) + var(--mobile-nav-buttons-height) + 2px));
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-shadow: 
      5px 0 15px rgba(0,0,0,0.5),
      0 0 10px var(--neon-primary),
      0 0 20px var(--neon-primary);
    transform: translateX(-100%); /* Slide out of view */
    transition: transform 0.3s ease;
    z-index: 1000; /* Above overlay */
    overflow-y: auto; /* Allow scrolling for long menus */
  }
  .main-nav.active {
    display: flex; /* Show menu when active */
    transform: translateX(0); /* Slide into view */
  }
  .nav-container {
    flex-direction: column; /* Vertical links */
    padding: 20px 0;
    gap: 15px;
    width: 100%;
    max-width: none; /* Important: allow full width */
  }
  .nav-link {
    font-size: 18px; /* Larger links for touch */
    padding: 10px 20px;
    width: 100%;
    text-align: left;
    box-sizing: border-box;
  }

  /* Footer responsiveness */
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column layout */
  }
  .footer-bottom-nav {
    padding: 0 15px;
  }
  .footer-bottom {
    padding: 0 15px;
  }

  /* Mobile content overflow protection */
  .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;
  }
}