:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: 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 specific variables, derived from main colors */
  --neon-primary: var(--glow-color);
  --neon-secondary: var(--secondary-color);
  --neon-accent: var(--gold-color);

  /* Fixed Header Offset - CRITICAL */
  --header-offset: 166px;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--background-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden; /* For mobile overflow prevention */
  padding-top: var(--header-offset); /* CRITICAL: Body padding for fixed header */
}

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

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

/* Neon Glow Animations - CRITICAL: Dynamic colors */
@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); }
  100% { filter: hue-rotate(360deg); }
}

@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%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@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 { /* CRITICAL: Using defined neon variables */
  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 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; }
}

@keyframes text-glow-flow { /* CRITICAL: Dynamic text glow */
  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 - CRITICAL */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 44px; /* Desktop height */
  box-sizing: border-box;
  background: linear-gradient(135deg, var(--background-color), var(--card-bg)); /* Dark background from scheme */
  color: var(--text-main);
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  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, 0, 255, 0.1);
  z-index: 1001;
  display: flex; /* Ensures icon and wrapper are aligned */
  align-items: center;
}

.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; /* Dynamic glow */
  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;
  height: 100%;
  display: flex;
  align-items: center;
}

.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-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; /* Dynamic glow */
  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 Section - CRITICAL */
.site-header {
  position: fixed;
  top: 44px; /* Marquee height */
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, var(--background-color), var(--card-bg)); /* Dark background from scheme */
  z-index: 1000;
  box-sizing: border-box;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

.header-top {
  box-sizing: border-box;
  min-height: 68px; /* Desktop height */
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0 20px; /* Padding for container */
}

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

.logo { /* CRITICAL: NO NEON EFFECTS on logo */
  color: var(--text-main);
  font-size: 28px;
  font-weight: bold;
  text-decoration: none;
  flex-shrink: 0; /* Prevents logo from shrinking on desktop */
  display: flex; /* For potential image logo alignment */
  align-items: center;
}
.logo img { /* For image logos */
  display: block;
  max-height: 60px;
  height: auto;
  width: auto;
  max-width: 280px;
  object-fit: contain;
}

.desktop-nav-buttons {
  display: flex; /* Desktop default: show */
  gap: 12px;
  align-items: center;
}

.mobile-nav-buttons {
  display: none; /* Desktop default: hide */
}

.hamburger-menu {
  display: none; /* Desktop default: hide */
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1002; /* Above logo and other elements */
}

.hamburger-menu .bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--neon-primary); /* Neon color */
  transition: all 0.3s ease-in-out;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary); /* Neon glow */
}

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

.main-nav {
  box-sizing: border-box;
  min-height: 52px; /* Desktop height */
  height: 52px;
  display: flex; /* Desktop default: show */
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--card-bg), var(--background-color)); /* Different dark background for contrast */
  border-top: 1px solid var(--divider-color); /* Simpler border for regular menu */
  border-bottom: 1px solid var(--divider-color); /* Simpler border for regular menu */
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3); /* Simpler shadow for regular menu */
  animation: none; /* No dynamic border animation for regular menu */
  padding: 0 20px; /* Padding for container */
}

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

.nav-link {
  color: var(--text-main); /* Regular text color for menu items */
  font-size: 16px;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--neon-primary);
  text-shadow: 0 0 5px var(--neon-primary);
}

/* Buttons - CRITICAL: Neon style, dynamic colors, no emojis */
.btn {
  position: relative;
  background: var(--button-gradient); /* Use specific 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 border color */
  text-shadow: 0 0 5px #ffffff, 0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: bold;
  font-size: 15px;
  white-space: nowrap; /* Prevent button text from wrapping on desktop */
}

.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 15px var(--neon-primary), 0 0 30px var(--neon-primary);
}

/* Footer Section */
.site-footer {
  background-color: var(--background-color);
  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 {
  display: flex;
  flex-direction: column;
}

.footer-about {
  grid-column: span 1; /* Desktop takes 1 column */
}

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

.footer-description {
  line-height: 1.6;
  word-wrap: break-word; /* CRITICAL: Ensure full text display */
  overflow-wrap: break-word;
  color: var(--text-secondary);
}

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

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

.footer-nav a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

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

.footer-dynamic-col .footer-slot-anchor-inner,
.footer-dynamic-row .footer-slot-anchor-inner {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 5px; /* For col_4 */
  width: 100%;
}
.footer-dynamic-row .footer-slot-anchor-inner {
  gap: 8px; /* For mid_1 and mid_2 */
}

.footer-dynamic-col .footer-slot-anchor-inner img,
.footer-dynamic-row .footer-slot-anchor-inner img {
  max-height: 50px;
  height: auto;
  width: auto;
  object-fit: contain;
}

.footer-dynamic-row {
  max-width: 1200px;
  margin: 0 auto 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--divider-color);
}
.footer-dynamic-row:last-of-type {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}


.footer-bottom { /* CRITICAL: NO LINKS HERE */
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 10px;
}
.footer-bottom a {
  pointer-events: none;
  color: inherit;
  text-decoration: none;
}


/* Mobile Responsive Styles */
@media (max-width: 768px) {
  :root { --header-offset: 146px; /* Marquee (36) + Header Top (60) + Mobile Buttons (48) + 2px */ }

  /* Mobile Overflow Prevention - CRITICAL */
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }

  /* Marquee Mobile - CRITICAL */
  .marquee-section {
    height: 36px !important;
    padding-top: 0px !important;
    padding-bottom: 0px !important;
  }
  .marquee-container {
    gap: 10px !important;
    padding: 0 12px !important;
    height: 100% !important;
  }
  .marquee-icon {
    width: 20px !important;
    height: 20px !important;
  }
  .marquee-icon-emoji {
    font-size: 14px !important;
  }
  .marquee-text {
    font-size: 14px !important;
  }
  .marquee-separator {
    font-size: 14px !important;
    margin: 0 10px !important;
  }
  .marquee-content {
    gap: 20px;
    animation: marquee-scroll 25s linear infinite;
  }

  /* Header Mobile - CRITICAL */
  .site-header {
    top: 36px; /* Marquee mobile height */
    border-bottom: none; /* Remove border for mobile header top */
    box-shadow: none; /* Remove shadow for mobile header top */
  }

  .header-top {
    min-height: 60px !important; /* Mobile height */
    height: 60px !important;
    padding: 0 15px; /* Mobile padding */
  }

  .header-container {
    width: 100%;
    max-width: none; /* CRITICAL: No max-width on mobile container */
    padding: 0; /* Handled by header-top */
    justify-content: space-between; /* Hamburger left, logo center, space right */
    position: relative; /* For absolute logo centering */
  }

  .hamburger-menu {
    display: block; /* Mobile default: show */
    order: 0; /* Left */
    flex-shrink: 0;
  }

  .logo { /* CRITICAL: Mobile Logo Centering (Method 1) */
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    position: absolute; /* Using absolute to force center, over flex */
    left: 50%;
    transform: translateX(-50%);
    max-width: calc(100% - 70px); /* Account for hamburger width */
    height: 100%;
  }
  .logo img {
    max-height: 56px !important; /* Mobile max-height */
  }

  .desktop-nav-buttons {
    display: none; /* Mobile default: hide */
  }

  .mobile-nav-buttons { /* CRITICAL: Mobile buttons always visible */
    display: flex !important; /* Mobile default: show */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 8px 15px; /* Padding for the button container */
    gap: 10px;
    justify-content: center;
    flex-wrap: nowrap; /* CRITICAL: Prevent buttons from wrapping */
    background: linear-gradient(135deg, var(--card-bg), var(--background-color)); /* Dark background */
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic border color */
    box-shadow: 0 0 8px var(--neon-primary);
  }

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

  .main-nav { /* CRITICAL: Mobile menu hidden by default, fixed, column */
    display: none; /* Hidden by default */
    flex-direction: column;
    position: fixed;
    top: 144px; /* Marquee (36) + Header Top (60) + Mobile Buttons (48) */
    left: 0;
    width: 100%;
    height: calc(100vh - 144px); /* Fill remaining viewport height */
    background: linear-gradient(135deg, var(--background-color), var(--card-bg)); /* Dark background */
    overflow-y: auto;
    transition: transform 0.3s ease-in-out;
    transform: translateX(-100%); /* Off-screen by default */
    z-index: 1000; /* CRITICAL: Above overlay */
    padding: 20px;
    box-sizing: border-box;
    border: none; /* Remove borders for mobile nav */
    box-shadow: none; /* Remove shadows for mobile nav */
  }

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

  .nav-container {
    flex-direction: column;
    gap: 15px;
    max-width: none; /* CRITICAL: No max-width on mobile container */
    padding: 0;
    align-items: flex-start; /* Align menu items left */
  }

  .nav-link {
    font-size: 18px;
    padding: 10px 0;
    width: 100%;
  }

  .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 menu, above page content */
  }
  .mobile-menu-overlay.active {
    display: block;
  }

  /* Footer Mobile */
  .site-footer {
    padding: 30px 15px 15px;
  }
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column layout */
    gap: 20px;
    margin-bottom: 20px;
    padding-bottom: 20px;
  }
  .footer-col {
    grid-column: span 1;
    align-items: flex-start;
  }
  .footer-about {
    text-align: left;
  }
  .footer-logo {
    font-size: 22px;
  }
  .footer-heading {
    font-size: 16px;
  }
  .footer-nav li {
    margin-bottom: 6px;
  }
  .footer-dynamic-row {
    margin-bottom: 15px;
    padding-bottom: 15px;
  }
  .footer-bottom {
    font-size: 12px;
    padding-top: 5px;
  }
}
/* 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;
  }
}