:root {
  --primary-color: #C91F17;
  --accent-color: #E53935;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  --card-bg-color: #D32F2F;
  --background-color: #B71C1C;
  --text-main-color: #FFF5E1;
  --border-color: #F2B544;
  --glow-color: #FFCC66;
  --gold-color: #F4D34D;
  --deep-red-color: #7A0E0E;
  --header-offset: 122px; /* Desktop: 68px (header-top) + 52px (main-nav) + 2px */
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  background-color: transparent; /* Actual background applied to header-top and main-nav */
  box-sizing: border-box;
}

.header-top {
  background-color: var(--deep-red-color); /* Distinct from main-nav */
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
}

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

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--text-main-color);
  text-decoration: none;
  display: block; /* Ensure it's block for proper alignment */
  white-space: nowrap;
}

.desktop-nav-buttons {
  display: flex;
  gap: 12px;
  align-items: center;
}

.mobile-nav-buttons {
  box-sizing: border-box;
  display: none; /* Hidden by default on desktop */
  min-height: 48px; /* Placeholder height */
  background-color: var(--card-bg-color); /* Distinct background for mobile buttons */
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  padding: 0 15px; /* Added padding for consistency */
}

.btn {
  padding: 10px 20px;
  border-radius: 25px;
  background: var(--button-gradient);
  color: var(--deep-red-color); /* Text color for buttons */
  font-weight: bold;
  text-decoration: none;
  white-space: nowrap;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.main-nav {
  background-color: var(--primary-color); /* Distinct from header-top */
  min-height: 52px;
  height: 52px;
  display: flex; /* Display flex on desktop */
  align-items: center;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
}

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

.nav-link {
  color: var(--text-main-color);
  text-decoration: none;
  font-weight: bold;
  padding: 5px 0;
  white-space: nowrap;
  transition: color 0.2s ease;
}

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

/* Hamburger menu for mobile */
.hamburger-menu {
  display: none; /* Hidden on desktop */
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
  position: relative;
  z-index: 1001; /* Above header */
}

.hamburger-menu .bar {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--text-main-color);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.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(-9px) rotate(-45deg);
}

.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: 999; /* Below menu, above content */
}

/* Footer styles */
.site-footer {
  background-color: var(--background-color);
  color: var(--text-main-color);
  padding: 40px 20px 20px;
  font-size: 14px;
  line-height: 1.6;
  box-sizing: border-box;
  width: 100%;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto 30px;
  box-sizing: border-box;
}

.footer-col {
  box-sizing: border-box;
}

.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;
  color: rgba(255, 245, 225, 0.8);
  word-wrap: break-word; /* Ensure description wraps */
  overflow-wrap: break-word;
}

.footer-heading {
  font-size: 18px;
  color: var(--gold-color);
  margin-bottom: 15px;
  text-transform: uppercase;
}

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

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

.footer-nav a {
  color: rgba(255, 245, 225, 0.8);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 245, 225, 0.1);
  color: rgba(255, 245, 225, 0.6);
}

/* Footer slot anchors - must be present and visible */
.footer-slot-anchor, .footer-slot-anchor-inner {
  width: 100%;
  min-height: 1px; /* Ensure they take up minimal space */
  box-sizing: border-box;
}

/* Mobile styles */
@media (max-width: 768px) {
  :root {
    --header-offset: 110px; /* Mobile: 60px (header-top) + 48px (mobile-nav-buttons) + 2px */
  }

  /* Header adjustments */
  .header-top {
    min-height: 60px !important;
    height: 60px !important;
  }

  .header-container {
    padding: 0 15px;
    width: 100%;
    max-width: none; /* Important for mobile full width */
  }

  .hamburger-menu {
    display: flex; /* Show hamburger on mobile */
    position: relative;
    z-index: 2;
  }
  
  .logo {
    position: absolute !important; /* Force absolute positioning for centering */
    left: 50% !important;
    transform: translateX(-50%) !important;
    display: flex !important; /* Use flex to center text/image vertically */
    align-items: center !important;
    justify-content: center !important;
    max-width: calc(100% - 100px); /* Prevent logo from overlapping hamburger/buttons */
    height: 100%; /* Take full height of container for vertical alignment */
    font-size: 24px;
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: nowrap; /* Prevent buttons from wrapping */
    padding: 0 15px;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    overflow: hidden; /* Prevent horizontal scroll */
  }

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

  .main-nav {
    display: none; /* Hidden by default on mobile */
    position: fixed;
    top: var(--header-offset); /* Position below fixed header */
    left: 0;
    width: 250px; /* Mobile menu width */
    height: calc(100% - var(--header-offset)); /* Fill remaining height */
    background-color: var(--primary-color);
    flex-direction: column; /* Vertical menu */
    padding: 20px;
    box-sizing: border-box;
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease;
    z-index: 1001; /* Above overlay */
    overflow-y: auto; /* Enable scrolling for long menus */
  }

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

  .nav-container {
    flex-direction: column; /* Vertical links */
    align-items: flex-start; /* Align links to left */
    gap: 15px;
    padding: 0; /* Remove horizontal padding */
    width: 100%;
    max-width: none; /* Important for mobile full width */
  }

  .nav-link {
    width: 100%; /* Full width links */
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 245, 225, 0.1);
  }
  .nav-link:last-child {
      border-bottom: none;
  }

  .overlay.active {
    display: block; /* Show overlay when menu is active */
  }

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

  .footer-top-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    margin-bottom: 20px;
    padding: 0 5px; /* Adjust padding for mobile */
  }

  .footer-col {
    margin-bottom: 20px;
  }
  .footer-col:last-of-type {
    margin-bottom: 0;
  }

  /* Mobile content 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;
  }
  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;
  }
}