/* Global CSS variables for theme colors */
:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --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-color: #0A4B2C;

  /* Neon dynamic colors - based on Green Gold scheme */
  --neon-primary: var(--primary-color);
  --neon-secondary: var(--secondary-color);
  --neon-accent: var(--glow-color); /* Using Glow color as accent for neon */

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

/* Base styles */
body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  background-color: var(--background-color);
  color: var(--text-main);
  line-height: 1.6;
  padding-top: var(--header-offset); /* Important: Body padding for fixed header */
  overflow-x: hidden; /* Prevent horizontal scroll on desktop */
}

body.no-scroll {
  overflow: hidden;
}

a {
  color: var(--text-main);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  margin-top: 0;
  margin-bottom: 15px;
}

/* Reusable container for content width */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Neon Glow Animations (must be present for dynamic effects) */

/* Dynamic colors based on theme */
@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);
  }
}

/* Dynamic text glow colors */
@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 fixed height */
  box-sizing: border-box;
  background: linear-gradient(135deg, var(--background-color), var(--deep-green-color)); /* 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(17, 168, 78, 0.1); /* Primary color with transparency */
  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; /* Matches marquee height */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(135deg, var(--background-color), var(--deep-green-color)); /* 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(17, 168, 78, 0.1);
}

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

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

/* Logo Styles (NO NEON EFFECTS) */
.logo {
  color: var(--text-main); /* White/light color for contrast */
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  flex-shrink: 0;
  /* NO text-shadow, box-shadow, filter: drop-shadow(), neon animations */
}
.logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 60px; /* Max height for logo */
  object-fit: contain;
}

/* Desktop Nav Buttons */
.desktop-nav-buttons {
  display: flex; /* Display on desktop */
  gap: 10px;
  flex-shrink: 0;
}

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

/* Main Navigation Styles (desktop-first) */
.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex; /* Display on desktop */
  flex-direction: row; /* Horizontal on desktop */
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--deep-green-color), var(--background-color)); /* Different dark gradient for contrast */
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite reverse; /* Dynamic border color, reversed animation */
  box-shadow:
    0 0 10px var(--neon-secondary), /* Different neon color for contrast */
    0 0 20px var(--neon-secondary),
    0 0 30px var(--neon-secondary),
    inset 0 0 20px rgba(34, 199, 104, 0.1); /* Secondary color with transparency */
}

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

.nav-link {
  color: var(--text-main);
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  padding: 5px 0;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--glow-color); /* Hover effect for menu links */
  text-shadow: 0 0 8px var(--glow-color);
  text-decoration: none;
}

/* Hamburger Menu (hidden on desktop) */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  position: relative;
  z-index: 1002; /* Above logo */
}

.hamburger-icon {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--neon-primary);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  width: 25px;
  height: 3px;
  background-color: var(--neon-primary);
  position: absolute;
  left: 0;
  transition: transform 0.3s ease, background-color 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

.hamburger-icon::before {
  top: -8px;
}

.hamburger-icon::after {
  top: 8px;
}

/* Hamburger active state */
.hamburger-menu.active .hamburger-icon {
  background-color: transparent;
  box-shadow: none;
}

.hamburger-menu.active .hamburger-icon::before {
  transform: translateY(8px) rotate(45deg);
  background-color: var(--neon-accent);
  box-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent);
}

.hamburger-menu.active .hamburger-icon::after {
  transform: translateY(-8px) rotate(-45deg);
  background-color: var(--neon-accent);
  box-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent);
}

/* Mobile Menu Overlay (hidden on desktop) */
.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 other content */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Button Styles */
.btn {
  position: relative;
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* 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 border color */
  text-shadow:
    0 0 5px #ffffff,
    0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: bold;
  white-space: nowrap; /* Prevent button text from wrapping on desktop */
  box-sizing: border-box;
}

.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);
}

/* Footer Styles */
.site-footer {
  background-color: var(--background-color); /* Regular dark background */
  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;
}

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

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

.footer-col .footer-description {
  color: var(--text-secondary);
  line-height: 1.8;
  word-wrap: break-word; /* Ensure description wraps */
  overflow-wrap: break-word;
}

.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);
  text-decoration: underline;
}

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

.footer-bottom p {
  margin: 0;
  /* Ensure no <a> tags in footer-bottom */
}

/* Footer slot anchors (must be present and empty) */
[data-slot-anchor] {
  min-height: 1px; /* Ensure they take up space if empty */
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  :root {
    --header-offset: 146px; /* Mobile: 36 (marquee) + 60 (header-top) + 48 (mobile-nav-buttons) + 2px 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;
    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 */
  .site-header {
    top: 36px; /* Matches mobile marquee height */
    box-shadow:
      0 0 5px var(--neon-primary),
      0 0 10px var(--neon-primary),
      inset 0 0 10px rgba(17, 168, 78, 0.1); /* Reduced shadow for mobile */
  }

  .header-top {
    min-height: 60px !important;
    height: 60px !important;
  }

  .header-container {
    padding: 0 15px;
    justify-content: flex-start; /* Adjust for hamburger menu */
    position: relative; /* For absolute positioned logo */
    min-height: 60px; /* Ensure height for logo positioning */
    width: 100%; /* Occupy full width */
    max-width: none; /* No max-width on mobile */
  }

  /* Mobile Logo Centering (Method 1: Flexbox + !important) */
  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    margin-left: -30px; /* Offset hamburger menu width */
  }
  .logo img {
    max-height: 56px !important; /* Smaller logo on mobile */
  }

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

  .hamburger-menu {
    display: block; /* Show hamburger menu on mobile */
    margin-right: auto; /* Push logo to center */
    margin-left: 0;
  }

  /* Mobile Nav Buttons (always visible on mobile) */
  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px;
    overflow: hidden;
    gap: 10px; /* Space between buttons */
    justify-content: center;
    flex-wrap: nowrap; /* Ensure buttons stay in one line */
    background: linear-gradient(135deg, var(--deep-green-color), var(--background-color)); /* Consistent background */
    border-top: 1px solid var(--divider-color); /* Subtle divider */
    box-shadow:
      0 0 5px var(--neon-accent),
      0 0 10px var(--neon-accent); /* Neon effect for button row */
  }

  .mobile-nav-buttons .btn {
    flex: 1; /* Distribute space evenly */
    min-width: 0;
    max-width: calc(50% - 5px); /* Max width for 2 buttons with 10px 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;
    box-shadow:
      0 0 5px var(--neon-primary),
      0 0 10px var(--neon-primary),
      inset 0 0 5px rgba(17, 168, 78, 0.2); /* Reduced shadow for mobile buttons */
  }

  /* Main Nav (Mobile - hidden by default, slides in) */
  .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column; /* Vertical menu */
    position: fixed;
    top: calc(36px + 60px + 48px); /* Marquee + Header Top + Mobile Buttons */
    left: 0;
    width: 80%; /* Menu width */
    max-width: 300px;
    height: calc(100% - (36px + 60px + 48px)); /* Remaining height */
    background: linear-gradient(180deg, var(--background-color), var(--deep-green-color));
    box-shadow: 2px 0 15px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%); /* Off-screen initially */
    transition: transform 0.3s ease-in-out;
    z-index: 1000; /* Above overlay, below hamburger */
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
    overflow-y: auto; /* Scrollable if content is long */
  }

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

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 15px;
    gap: 15px;
    width: 100%;
    max-width: none; /* No max-width on mobile */
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--divider-color);
  }

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

  .mobile-menu-overlay.active {
    top: 0; /* Ensure overlay covers entire screen */
  }

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

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

  .footer-bottom {
    padding-top: 15px;
  }

  /* Image overflow prevention */
  .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;
  }
}