:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg-color: #11271B;
  --background-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 the scheme, for dynamic effects */
  --neon-primary: var(--glow-color); /* #57E38D */
  --neon-secondary: var(--secondary-color); /* #22C768 */
  --neon-accent: var(--gold-color); /* #F2C14E */

  /* Header offset calculation (Marquee + Header-top + Main-nav) */
  --header-offset: 166px; /* Desktop: 44px (marquee) + 68px (header-top) + 52px (main-nav) = 164px, plus 2px buffer */
}

body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding-top: var(--header-offset); /* Main content offset */
  background-color: var(--background-color);
  color: var(--text-main-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animations for dynamic neon colors */
@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: var(--text-main-color);
  }
  50% {
    text-shadow:
      0 0 5px var(--neon-secondary),
      0 0 10px var(--neon-secondary),
      0 0 15px var(--neon-secondary);
    color: var(--text-main-color);
  }
  100% {
    text-shadow:
      0 0 5px var(--neon-accent),
      0 0 10px var(--neon-accent),
      0 0 15px var(--neon-accent);
    color: var(--text-main-color);
  }
}

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

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

/* 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 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, 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));
}

.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);
}

/* Site Header Styles */
.site-header {
  position: fixed;
  top: 44px; /* Matches marquee height */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
  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, 255, 255, 0.1);
}

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

.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; /* Padding inside container */
}

/* LOGO Styles (NO NEON) */
.logo {
  font-size: 28px;
  font-weight: bold;
  text-decoration: none;
  color: var(--text-main-color); /* Regular color, clear contrast */
  /* NO NEON EFFECTS ON LOGO */
}
.logo img {
  display: block;
  max-height: 60px; /* Desktop max height */
  height: auto;
  width: auto;
  max-width: 280px;
  object-fit: contain;
}

/* Hamburger Menu (Desktop hidden) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1002; /* Above logo and overlay */
}

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

/* Desktop Navigation Buttons */
.desktop-nav-buttons {
  display: flex; /* Visible on desktop */
  gap: 12px;
  align-items: center;
}

/* Mobile Navigation Buttons (Desktop hidden) */
.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
  box-sizing: border-box;
  min-height: 48px; /* Mobile height */
  padding: 0 20px;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
  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: 999; /* Below header-top and main-nav */
}

/* Main Navigation (Desktop visible) */
.main-nav {
  box-sizing: border-box;
  min-height: 52px; /* Desktop height */
  height: 52px;
  display: flex; /* Visible on desktop */
  flex-direction: row; /* Horizontal on desktop */
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background for contrast */
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite reverse; /* Dynamic border color, reversed 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; /* Padding inside container */
}

.nav-link {
  color: var(--text-main-color); /* Regular color */
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  padding: 8px 0;
  transition: color 0.3s ease, border-bottom 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--glow-color); /* Highlight color on hover/active */
  border-bottom: 2px solid var(--glow-color);
}

/* Button Styles (Neon) */
.btn {
  position: relative;
  background: var(--button-gradient); /* Defined button gradient */
  padding: 12px 30px;
  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; /* 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);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none; /* Hidden on desktop */
  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 */
}

/* Footer Styles (Regular) */
.site-footer {
  background-color: var(--card-bg-color); /* Dark green background */
  color: var(--text-secondary-color);
  padding: 40px 20px 20px;
  font-size: 14px;
  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 30px;
}

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

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

.footer-description {
  margin-top: 0;
  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: 15px;
  font-weight: 600;
}

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

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

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

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

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

.footer-bottom p {
  margin: 0;
}

/* Dynamic slot anchor inner container (must be empty for system injection) */
.footer-slot-anchor-inner {
  /* This container is for system content injection, should be visually empty */
  min-height: 1px;
}

/* Responsive Design */
@media (max-width: 768px) {
  /* Header Offset for Mobile (Marquee + Header-top + Mobile-nav-buttons) */
  :root {
    --header-offset: 146px; /* Mobile: 36px (marquee) + 60px (header-top) + 48px (mobile-nav-buttons) = 144px, plus 2px buffer */
  }

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

  /* Marquee Mobile */
  .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; /* Slightly faster scroll */
  }

  /* Header Mobile */
  .site-header {
    top: 36px; /* Matches mobile marquee height */
  }

  .header-top {
    min-height: 60px; /* Mobile height */
    height: 60px;
    padding: 0 15px; /* Add padding directly to header-top for mobile */
  }

  .header-container {
    width: 100%; /* Occupy full width */
    max-width: none; /* No max-width on mobile */
    padding: 0; /* Remove inner padding */
    justify-content: flex-start; /* Align hamburger to start */
    gap: 10px;
  }

  /* Hamburger Menu (Mobile visible) */
  .hamburger-menu {
    display: block; /* Visible on mobile */
    order: 0; /* Leftmost */
    color: var(--neon-primary); /* Use neon color */
  }

  .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);
  }

  /* LOGO Centering (Mobile) - Method 1: Flexbox + !important */
  .logo {
    flex: 1 !important; /* Take remaining space */
    display: flex !important;
    justify-content: center !important; /* Center horizontally */
    align-items: center !important; /* Center vertically */
    font-size: 22px;
    order: 1; /* After hamburger */
  }
  .logo img {
    max-height: 56px !important; /* Mobile max height */
  }

  /* Desktop Buttons (Hidden on mobile) */
  .desktop-nav-buttons {
    display: none; /* Hidden on mobile */
  }

  /* Mobile Buttons (Visible on mobile, independent row) */
  .mobile-nav-buttons {
    display: flex !important; /* Visible on mobile */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px; /* Padding for the container */
    gap: 10px; /* Gap between buttons */
    flex-wrap: nowrap; /* Ensure buttons stay in one line */
    justify-content: center;
    min-height: 48px;
  }

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

  /* Main Navigation (Mobile hidden by default, slides in) */
  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column; /* Vertical layout for menu items */
    position: fixed;
    top: var(--header-offset); /* Below header and mobile buttons */
    left: 0;
    width: 70%; /* Slide-out width */
    height: calc(100% - var(--header-offset)); /* Full height below header */
    background-color: var(--card-bg-color); /* Menu background */
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%); /* Initially off-screen to the left */
    transition: transform 0.3s ease-in-out;
    z-index: 1000; /* Above overlay */
    overflow-y: auto; /* Scrollable if content is long */
    padding: 20px 0; /* Padding inside the menu */
    border-top: none; /* Remove top border */
    border-bottom: none; /* Remove bottom border */
    animation: none; /* Disable neon animation for menu background */
    box-shadow: none; /* Disable neon box-shadow for menu background */
  }

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

  .nav-container {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    max-width: none; /* No max-width on mobile */
    width: 100%; /* Occupy full width */
  }

  .nav-link {
    width: 100%;
    text-align: left;
    padding: 10px 0;
    border-bottom: 1px solid var(--divider-color); /* Separator for links */
  }
  .nav-link:last-child {
    border-bottom: none;
  }

  /* Mobile Menu Overlay */
  .mobile-menu-overlay.active {
    display: block; /* Show overlay when menu is active */
  }

  /* Footer Mobile */
  .site-footer {
    padding: 30px 15px 15px;
  }

  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column layout */
    gap: 20px;
  }
  .footer-col {
    padding-right: 0;
  }
}

/* Ensure images in page content are responsive */
@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;
  }
}
/* 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;
  }
}