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

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

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

/* Site Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  box-sizing: border-box;
}

.header-top {
  box-sizing: border-box;
  height: 68px; /* Desktop fixed height */
  min-height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--primary-color); /* Main color for header-top */
  width: 100%;
}

.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; /* Desktop padding for content inside container */
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--gold-color); /* Gold color for logo text */
  text-transform: uppercase;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  height: 100%;
}

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

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1001; /* Above logo on mobile if needed */
}

.hamburger-menu .bar {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-main-color);
  margin: 5px 0;
  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(-8px) rotate(-45deg);
}

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

.mobile-nav-buttons {
  box-sizing: border-box;
  display: none; /* Hidden globally, shown on mobile */
  min-height: 48px; /* Mobile buttons row min-height */
  background-color: var(--deep-red-color); /* Deep red for mobile button row */
  padding: 8px 20px;
}

.btn {
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: bold;
  text-align: center;
  white-space: nowrap;
  transition: all 0.3s ease;
  color: #333; /* Dark text for gold buttons */
  background: var(--button-gradient); /* Gold gradient */
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

.main-nav {
  box-sizing: border-box;
  height: 52px; /* Desktop fixed height */
  min-height: 52px;
  display: flex; /* Display flex for desktop, hidden on mobile by media query */
  align-items: center;
  overflow: hidden;
  background-color: var(--accent-color); /* Accent color for main-nav */
  width: 100%;
}

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

.nav-link {
  padding: 5px 10px;
  font-size: 16px;
  font-weight: bold;
  color: var(--text-main-color);
  white-space: nowrap;
  transition: color 0.3s ease;
}

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

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  display: none; /* Hidden by default */
}

.overlay.active {
  display: block;
}

/* Footer */
.site-footer {
  background-color: var(--background-color); /* Dark red for footer background */
  padding: 40px 20px 20px;
  color: var(--text-main-color);
  font-size: 14px;
  box-sizing: border-box;
}

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

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h3 {
  color: var(--gold-color); /* Gold color for footer headings */
  font-size: 18px;
  margin-bottom: 10px;
}

.footer-logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--gold-color);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.footer-description {
  line-height: 1.6;
  word-wrap: break-word;
  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-main-color);
  transition: color 0.3s ease;
}

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

.footer-legal-section {
  max-width: 1200px;
  margin: 0 auto 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-legal-section .footer-container {
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.footer-legal-section h3 {
  color: var(--gold-color);
  font-size: 18px;
  margin-bottom: 10px;
}

.footer-legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-legal-nav li {
  margin-bottom: 0;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom p {
  margin: 0;
}

/* Dynamic slot anchors - must exist and be empty or contain only empty divs */
.footer-slot-anchor-inner {
  min-height: 1px; /* Ensure visibility for system injection */
}

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

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

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

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

  .header-container {
    max-width: none;
    padding: 0 15px; /* Mobile padding for content inside container */
    position: relative; /* For absolute logo centering if needed */
    justify-content: flex-start; /* For hamburger menu left alignment */
  }

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
    order: 1; /* Place it first */
    margin-right: auto; /* Push logo to center */
    color: var(--text-main-color);
  }

  .logo {
    order: 2; /* Place logo second */
    flex: 1 !important; /* Occupy available space to help centering */
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 24px; /* Adjust logo font size for mobile */
    height: 100%;
    max-width: calc(100% - 100px); /* Leave space for hamburger and potential right items */
  }

  .logo img {
    max-height: 56px !important; /* Mobile max-height */
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 8px 15px; /* Adjust padding for mobile buttons row */
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap; /* Ensure buttons stay on one line */
    background-color: var(--deep-red-color); /* Consistent background */
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Two buttons with 10px gap */
    box-sizing: border-box;
    padding: 8px 12px;
    font-size: 13px;
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word;
    overflow-wrap: break-word;
    border-radius: 20px; /* Slightly smaller border-radius for mobile */
  }

  .main-nav {
    display: none; /* Hidden by default on mobile */
    position: fixed;
    top: var(--header-offset); /* Position below header */
    left: 0;
    width: 280px; /* Sidebar width */
    height: calc(100% - var(--header-offset));
    background-color: var(--primary-color); /* Primary color for mobile menu */
    flex-direction: column;
    padding: 20px;
    box-sizing: border-box;
    transform: translateX(-100%); /* Start off-screen */
    transition: transform 0.3s ease-in-out;
    z-index: 1001; /* Above overlay */
    overflow-y: auto; /* Allow scrolling for long menus */
  }

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

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    width: 100%;
    max-width: none; /* Remove max-width for mobile container */
    padding: 0;
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

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

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

  .footer-col {
    margin-bottom: 20px; /* Spacing between columns */
  }

  .footer-col:last-child {
    margin-bottom: 0;
  }

  .footer-legal-section {
    margin-bottom: 20px;
    padding-top: 15px;
  }

  .footer-legal-section .footer-container {
    padding: 0 15px;
  }

  .footer-legal-nav {
    flex-direction: column;
    gap: 8px;
  }

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