:root {
  --header-offset: 122px; /* Desktop: 68px (header-top) + 52px (main-nav) = 120px, +2px buffer */
  --primary-color: #F2C14E;
  --accent-color: #FFD36B;
  --bg-color: #0A0A0A;
  --card-bg-color: #111111;
  --text-main-color: #FFF6D6;
  --border-color: #3A2A12;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  --glow-color: #FFD36B;
}

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

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

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

/* Site Header - Fixed Navigation */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--bg-color); /* Use background color for header */
  box-shadow: 0 2px 5px rgba(0,0,0,0.4);
  min-height: 60px; /* Ensure content fits */
  display: flex;
  align-items: center;
  padding: 10px 0; /* Vertical padding for header */
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px; /* Horizontal padding for desktop */
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 1px;
  flex-shrink: 0;
  display: block; /* Ensure logo is visible */
}

/* Main Navigation (Desktop) */
.main-nav {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  flex: 1; /* Occupy middle space */
  gap: 25px;
}

.main-nav .nav-link {
  color: var(--text-main-color);
  font-size: 16px;
  padding: 8px 0;
  position: relative;
  transition: color 0.3s ease;
}

.main-nav .nav-link:hover {
  color: var(--primary-color);
}

.main-nav .nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.main-nav .nav-link:hover::after {
  width: 100%;
}

/* Buttons (Desktop) */
.desktop-nav-buttons {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  margin-left: auto; /* Push buttons to the right */
}

.btn {
  padding: 10px 20px;
  border-radius: 25px;
  background: var(--button-gradient);
  color: var(--text-main-color);
  font-weight: bold;
  text-decoration: none;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5), 0 0 15px var(--glow-color);
}

/* Hamburger Menu (Hidden on Desktop) */
.hamburger-menu {
  display: none; /* Hidden by default on desktop */
  background: none;
  border: none;
  font-size: 30px;
  color: var(--primary-color);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  z-index: 1001; /* Above mobile menu */
}

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

/* Mobile Menu Overlay (Hidden on Desktop) */
.mobile-menu-overlay {
  display: none; /* Hidden by default */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* Site Footer */
.site-footer {
  background-color: var(--card-bg-color); /* Using card bg for footer */
  padding: 40px 20px 20px;
  border-top: 1px solid var(--border-color);
}

.site-footer h3 {
  color: var(--primary-color);
  font-size: 18px;
  margin-bottom: 20px;
}

.footer-main {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  padding-bottom: 30px;
}

.footer-logo {
  font-size: 26px;
  font-weight: bold;
  color: var(--primary-color);
  text-transform: uppercase;
  margin-bottom: 15px;
  display: block;
}

.footer-description {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main-color);
  word-wrap: break-word; /* Ensure description wraps */
  overflow-wrap: break-word;
}

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

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

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

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

/* Footer Slot Anchors - ensure they are visible */
.footer-slot-anchor, .footer-slot-anchor-inner {
  min-height: 1px; /* Ensure visibility for system injection */
  display: block;
}

/* Media Queries for Mobile */
@media (max-width: 768px) {
  :root {
    --header-offset: 110px; /* Mobile: 60px (header-top) + 48px (mobile-nav-buttons) = 108px, +2px buffer */
  }

  body {
    padding-top: var(--header-offset);
    overflow-x: hidden; /* Prevent horizontal scroll on mobile */
  }

  /* Header adjustments for mobile */
  .site-header {
    padding: 8px 0; /* Adjust vertical padding for mobile header */
  }

  .header-container {
    width: 100%;
    max-width: none; /* Important: remove max-width for mobile */
    padding: 0 15px; /* Adjust horizontal padding for mobile */
    justify-content: space-between; /* Space out items */
  }

  .hamburger-menu {
    display: block; /* Show hamburger menu on mobile */
    order: 0; /* Place to the left */
    font-size: 28px;
  }

  .logo {
    order: 1; /* Place in the middle */
    flex: 1; /* Occupy available space */
    text-align: center; /* Center the text logo */
    font-size: 24px; /* Adjust logo size for mobile */
    padding: 0 10px; /* Add some padding around logo */
  }
  
  .desktop-nav-buttons {
    display: none !important; /* Hide desktop buttons on mobile */
  }

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons on mobile */
    order: 2; /* Place to the right */
    gap: 8px;
    flex-shrink: 0;
  }

  .mobile-nav-buttons .btn {
    padding: 8px 15px; /* Adjust button padding for mobile */
    font-size: 14px;
  }

  /* Mobile Navigation (Hamburger Menu Content) */
  .main-nav {
    display: none; /* Hidden by default */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Position below fixed header */
    left: 0;
    width: 250px; /* Width of the mobile menu */
    height: calc(100% - var(--header-offset)); /* Full height below header */
    background-color: var(--card-bg-color); /* Background for mobile menu */
    box-shadow: 2px 0 5px rgba(0,0,0,0.5);
    transform: translateX(-100%); /* Slide out to the left */
    transition: transform 0.3s ease;
    padding: 20px 0;
    overflow-y: auto; /* Allow scrolling for long menus */
    z-index: 999; /* Below overlay, above content */
    align-items: flex-start; /* Align links to the left */
  }

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

  .main-nav .nav-link {
    width: 100%;
    padding: 12px 20px;
    font-size: 18px;
    border-bottom: 1px solid var(--border-color);
  }
  .main-nav .nav-link:last-child {
    border-bottom: none;
  }
  .main-nav .nav-link::after {
    display: none; /* Hide underline animation on mobile */
  }

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

  /* Footer adjustments for mobile */
  .footer-main {
    grid-template-columns: 1fr; /* Single column on mobile */
    text-align: center;
  }

  .footer-col {
    margin-bottom: 20px;
  }

  .footer-logo {
    margin: 0 auto 15px; /* Center logo on mobile */
  }
  .footer-nav ul {
    display: inline-block; /* Keep list items centered */
  }
  .footer-nav ul li {
    text-align: left; /* Align list items left within their centered container */
  }
}

/* Prevent body scroll when mobile menu is active */
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;
  }
}