:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-bg: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --background-color: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green: #0A4B2C;

  /* Neon colors derived from theme for dynamic effects */
  --neon-primary: var(--primary-color);
  --neon-secondary: var(--secondary-color);
  --neon-accent: var(--glow-color);

  /* Header offset for desktop (Marquee 44 + HeaderTop 68 + MainNav 52 = 164px + 2px buffer) */
  --header-offset: 166px; 
}

body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  color: var(--text-main);
  background-color: var(--background-color);
  padding-top: var(--header-offset); /* Ensure main content is below fixed header */
  overflow-x: hidden; /* Prevent horizontal scroll for desktop */
}

/* Keyframe Animations for Neon Effects */
@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(17, 168, 78, 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(34, 199, 104, 0.3);
  }
  66% {
    border-color: var(--neon-accent);
    box-shadow: 
      0 0 10px var(--neon-accent),
      0 0 20px var(--neon-accent),
      inset 0 0 10px rgba(87, 227, 141, 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-accent),
      0 0 10px var(--neon-accent),
      0 0 15px var(--neon-accent);
    color: #ffffff;
  }
}

/* Marquee Section Styles */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 44px; /* Desktop height */
  box-sizing: border-box;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
  color: #ffffff;
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
  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(17, 168, 78, 0.1);
  z-index: 1001; /* Ensure on top of header */
}

.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%); }
}

/* Site Header Styles */
.site-header {
  position: fixed;
  top: 44px; /* Below marquee */
  left: 0;
  width: 100%;
  z-index: 1000; /* Below marquee, above content */
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background for header */
  /* Dynamic border and shadow for the entire header */
  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(17, 168, 78, 0.1);
}

.header-top {
  box-sizing: border-box;
  min-height: 68px; /* Desktop height */
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark 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;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px; /* Padding for content inside container */
}

/* LOGO Styles (No neon effects) */
.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--text-main); /* White color for contrast */
  text-decoration: none;
  display: block;
  flex-shrink: 0;
  padding-right: 20px; /* Space between logo and other elements */
}

.logo img {
  display: block;
  max-height: 60px; /* Max height for desktop logo */
  height: auto;
  width: auto;
  max-width: 280px;
  object-fit: contain;
}

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

/* Mobile Navigation Buttons (Hidden by default on desktop) */
.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
}

/* Main Navigation Styles (Desktop) */
.main-nav {
  box-sizing: border-box;
  min-height: 52px; /* Desktop height */
  height: 52px;
  display: flex; /* Show on desktop */
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background */
  border-top: 2px solid; /* Neon border */
  border-bottom: 2px solid; /* Neon border */
  animation: theme-colors 4s ease-in-out infinite reverse; /* Dynamic color border, reverse animation */
  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(34, 199, 104, 0.1);
}

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

.nav-link {
  color: var(--text-main);
  text-decoration: none;
  padding: 10px 15px;
  font-size: 16px;
  font-weight: 500;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--glow-color);
  text-shadow: 0 0 8px var(--glow-color);
}

/* Hamburger Menu (Hidden by default on desktop) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  width: 30px;
  height: 24px;
  position: relative;
  cursor: pointer;
  z-index: 1002; /* Above logo and other elements */
  padding: 5px;
  margin-right: 20px; /* Space from logo */
  box-sizing: content-box;
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--glow-color);
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px var(--glow-color), 0 0 10px var(--glow-color);
}

.hamburger-menu span:nth-child(1) { top: 0; }
.hamburger-menu span:nth-child(2) { top: 10px; }
.hamburger-menu span:nth-child(3) { top: 20px; }

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

/* Buttons (shared styles for both desktop and mobile) */
.btn {
  position: relative;
  background: var(--button-bg); /* Use specified button gradient */
  padding: 12px 25px;
  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: 600;
  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(17, 168, 78, 0.4);
}

/* Mobile Overlay */
.mobile-menu-overlay {
  display: none; /* Hidden by default */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999; /* Below main nav, above content */
  backdrop-filter: blur(5px);
  transition: opacity 0.3s ease;
  opacity: 0;
}

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

/* Footer Styles (Regular, no neon) */
.site-footer {
  background-color: var(--background-color);
  color: var(--text-secondary);
  padding: 40px 20px 20px;
  font-size: 14px;
  line-height: 1.6;
  border-top: 1px solid var(--divider-color);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 40px;
}

.footer-col h3 {
  color: var(--text-main);
  font-size: 18px;
  margin-bottom: 15px;
  font-weight: 600;
}

.footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--text-main);
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

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

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

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

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

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

.footer-dynamic-row {
  max-width: 1200px;
  margin: 0 auto 20px;
  padding: 15px 0;
  border-top: 1px solid var(--divider-color);
}

.footer-dynamic-row:last-of-type {
  margin-bottom: 40px;
}

.footer-slot-anchor-inner {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px; /* For mid slots */
  width: 100%;
}

.footer-col.footer-dynamic-col .footer-slot-anchor-inner {
  gap: 5px; /* For column slot */
}

.footer-bottom {
  text-align: center;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--divider-color);
  color: var(--text-secondary);
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  /* Header offset for mobile (Marquee 36 + HeaderTop 60 + MobileNavButtons 48 = 144px + 2px buffer) */
  :root {
    --header-offset: 146px; 
  }

  .marquee-section {
    height: 36px; /* 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: 36px; /* Below mobile marquee */
  }

  .header-top {
    min-height: 60px; /* Mobile height */
    height: 60px;
    padding: 0 15px; /* Mobile padding */
    justify-content: flex-start; /* Adjust for hamburger */
  }
  
  .header-container {
    max-width: none; /* No max-width on mobile */
    padding: 0; /* Remove container padding as header-top has it */
    justify-content: space-between; /* Hamburger left, logo center, right empty */
  }

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
    order: 1; /* Place hamburger first */
  }

  .logo {
    order: 2; /* Place logo second */
    flex: 1 !important; /* Take remaining space */
    display: flex !important;
    justify-content: center !important; /* Center logo */
    align-items: center !important;
    font-size: 22px; /* Smaller font for mobile logo */
    padding: 0 10px; /* Adjust padding */
    max-width: calc(100% - 60px); /* Account for hamburger width */
  }

  .logo img {
    max-height: 56px !important; /* Max height for mobile logo */
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px; /* Padding for the button row */
    gap: 10px; /* Space between buttons */
    justify-content: center;
    flex-wrap: nowrap; /* Ensure buttons stay in one row */
    background: linear-gradient(135deg, #0f3460, #16213e); /* Dark background */
    border-bottom: 1px solid var(--divider-color);
  }

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

  .main-nav {
    display: none; /* Hidden by default on mobile, controlled by JS */
    position: fixed;
    top: calc(var(--header-offset) - 48px); /* Position below header-top and mobile-nav-buttons */
    left: 0;
    width: 80%; /* Sidebar width */
    height: 100vh; /* Full viewport height */
    flex-direction: column; /* Vertical menu */
    justify-content: flex-start;
    align-items: flex-start;
    padding: 20px;
    box-sizing: border-box;
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite reverse;
    box-shadow: 
      5px 0 20px rgba(0, 0, 0, 0.5),
      0 0 10px var(--neon-secondary);
    transform: translateX(-100%); /* Start off-screen */
    transition: transform 0.3s ease;
    z-index: 1000; /* Above overlay */
  }

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

  .nav-container {
    max-width: none; /* No max-width on mobile */
    flex-direction: column;
    align-items: flex-start;
    padding: 0;
    height: auto; /* Allow content to define height */
  }

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

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

  .site-footer {
    padding: 30px 15px 15px;
  }

  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 20px;
    margin-bottom: 30px;
  }

  .footer-col h3 {
    font-size: 16px;
    margin-bottom: 10px;
  }

  .footer-logo {
    font-size: 20px;
  }

  .footer-dynamic-row {
    margin-bottom: 15px;
  }

  .footer-bottom {
    padding-top: 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;
  }
}

/* No-scroll class for body */
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;
  }
}
