/* General styles */
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main-color);
  line-height: 1.6;
  overflow-x: hidden; /* Prevent horizontal scroll */
}

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

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

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

  /* Neon specific colors, derived from site palette for dynamic effects */
  --neon-primary: var(--glow-color); /* #57E38D */
  --neon-secondary: var(--secondary-color); /* #22C768 */
  --neon-accent: var(--gold-color); /* #F2C14E */

  /* Header offset calculation (Desktop) */
  --header-offset: 166px; /* 44px (marquee) + 68px (header-top) + 52px (main-nav) + buffer */
}

body { padding-top: var(--header-offset); }

/* Keyframe Animations for Neon Effects */
@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 var(--neon-primary), 0 0 20px var(--neon-secondary); }
  50% { background-position: 100% 50%; box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-accent); }
  100% { background-position: 0% 50%; box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-secondary); }
}

@keyframes random-glow {
  0% { border-color: var(--neon-primary); box-shadow: 0 0 20px var(--neon-primary); }
  20% { border-color: var(--neon-secondary); box-shadow: 0 0 20px var(--neon-secondary); }
  40% { border-color: var(--neon-accent); box-shadow: 0 0 20px var(--neon-accent); }
  60% { border-color: var(--neon-primary); box-shadow: 0 0 20px var(--neon-primary); }
  80% { border-color: var(--neon-secondary); box-shadow: 0 0 20px var(--neon-secondary); }
  100% { border-color: var(--neon-accent); box-shadow: 0 0 20px var(--neon-accent); }
}

@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 marquee-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.9; }
}

/* Marquee Section */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 44px; /* Desktop fixed 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(255, 0, 255, 0.1);
  z-index: 1001; /* Above 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));
}

.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 */
.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 */
  color: var(--text-main-color);
  box-sizing: border-box;
}

.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 2px solid; /* Dynamic color border */
  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);
  padding: 0 20px; /* Ensure space for logo/buttons at edges */
}

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

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--text-main-color); /* Regular color, no neon */
  text-decoration: none;
  /* NO NEON EFFECTS for LOGO */
  display: block; /* Ensure it's not hidden by default */
}

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

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

.mobile-nav-buttons {
  display: none; /* Desktop default: hidden */
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 10px 15px;
  overflow: hidden;
  justify-content: center;
  flex-wrap: nowrap; /* Ensure no wrapping */
  gap: 10px;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  border-top: 1px solid var(--divider-color);
  border-bottom: 1px solid var(--divider-color);
}

/* Main Navigation */
.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex; /* Desktop default: flex */
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Darker background for contrast */
  border-top: 2px solid; /* Dynamic color border */
  animation: alternate-colors 4s ease-in-out infinite; /* Different dynamic color 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);
  padding: 0 20px; /* Ensure space at edges */
}

.nav-container {
  height: 100%;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center; /* Center nav links */
  gap: 25px;
}

.nav-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-main-color); /* Regular color, no neon */
  padding: 8px 0;
  transition: color 0.3s ease, border-bottom 0.3s ease;
  white-space: nowrap;
}

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

/* Hamburger Menu */
.hamburger-menu {
  display: none; /* Desktop default: hidden */
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 24px;
  position: relative;
  z-index: 1002; /* Above logo and overlay */
  margin-right: 15px; /* Space between hamburger and logo */
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--neon-primary); /* Neon color for hamburger */
  margin-bottom: 5px;
  position: relative;
  transform-origin: 4px 0px;
  transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary); /* Neon glow */
  animation: text-glow-flow 3s ease-in-out infinite alternate; /* Dynamic glow */
}

.hamburger-menu span:first-child { transform-origin: 0% 0%; }
.hamburger-menu span:nth-child(2) { transform-origin: 0% 50%; }
.hamburger-menu span:last-child { margin-bottom: 0; transform-origin: 0% 100%; }

.hamburger-menu.active span:first-child {
  transform: rotate(45deg) translate(2px, -1px);
}
.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.active span:last-child {
  transform: rotate(-45deg) translate(1px, 1px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none; /* Desktop default: hidden */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999; /* Below menu, above content */
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

/* Buttons */
.btn {
  position: relative;
  background: var(--button-gradient); /* Custom 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); /* Dynamic text glow */
  transition: all 0.3s ease;
  font-weight: 600;
  white-space: nowrap;
}

.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, 0.4);
}

/* Footer */
.site-footer {
  background-color: var(--bg-color);
  color: var(--text-secondary-color);
  padding: 40px 20px 20px;
  border-top: 1px solid var(--divider-color);
  box-sizing: border-box;
}

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

.footer-col {
  padding-right: 15px;
}

.footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--text-main-color);
  margin-bottom: 15px;
  display: block;
}

.footer-description {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary-color);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.footer-heading {
  font-size: 18px;
  color: var(--text-main-color);
  margin-bottom: 20px;
  position: relative;
}

.footer-heading::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background-color: var(--primary-color);
  margin-top: 8px;
}

.footer-nav li {
  margin-bottom: 10px;
}

.footer-nav a {
  font-size: 14px;
  color: var(--text-secondary-color);
  transition: color 0.3s ease;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary-color);
  padding-top: 20px;
  border-top: 1px solid var(--divider-color);
}

/* Dynamic slot anchor styles (must not hide content) */
.footer-slot-anchor-inner {
  min-height: 1px; /* Ensure visibility for system injection */
}

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

  /* Marquee Mobile */
  .marquee-section {
    height: 36px !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }
  .marquee-container {
    gap: 10px !important;
    padding: 0 12px !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 */
  .site-header {
    top: 36px; /* Below mobile marquee */
  }

  .header-top {
    min-height: 60px !important;
    height: 60px !important;
    padding: 0 15px;
  }
  .header-container {
    width: 100%;
    max-width: none; /* Occupy full width */
    padding: 0; /* Remove container padding as hamburger/logo will handle spacing */
    position: relative; /* For absolute positioning of logo if needed */
  }

  .hamburger-menu {
    display: block; /* Show hamburger menu */
    order: 1; /* Leftmost */
    margin-right: 0; /* No margin as logo is flexed */
  }

  .logo {
    order: 2; /* Center */
    flex: 1 !important; /* Take available space */
    display: flex !important; /* For centering content inside logo */
    justify-content: center !important; /* Center logo text/image */
    align-items: center !important;
    font-size: 24px;
    position: static; /* Reset if absolute was applied elsewhere */
    transform: none; /* Reset if transform was applied elsewhere */
    max-width: calc(100% - 60px); /* Adjust max-width to not overlap hamburger */
  }
  .logo img {
    max-height: 56px !important; /* Mobile max height for logo */
    max-width: 100%; /* Ensure image scales within logo flex container */
  }

  .desktop-nav-buttons {
    display: none !important; /* Hide desktop buttons */
  }

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
  }
  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Account for 10px 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 in mobile */
    flex-direction: column;
    position: fixed;
    top: 96px; /* 36px (marquee) + 60px (header-top) */
    left: 0;
    width: 80%; /* Sidebar width */
    max-width: 300px; /* Max sidebar width */
    height: calc(100% - 96px); /* Full height below header */
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
    padding: 20px;
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease-out;
    border-top: none; /* Remove border from main nav for mobile sidebar */
    animation: none; /* Remove animation from main nav for mobile sidebar */
    z-index: 1000; /* Above overlay */
    overflow-y: auto; /* Scrollable if content overflows */
  }

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

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    max-width: none; /* Occupy full width */
    padding: 0;
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--divider-color);
  }
  .nav-link:last-child {
    border-bottom: none;
  }

  /* Footer Mobile */
  .site-footer {
    padding: 30px 15px 15px;
  }
  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column */
    gap: 20px;
    margin-bottom: 20px;
  }
  .footer-col {
    padding-right: 0;
  }
  .footer-heading {
    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;
  }
}
/* 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;
  }
}