:root {
  --header-offset: 122px;
}

body {
  padding-top: var(--header-offset);
  margin: 0;
  font-family: Arial, sans-serif;
  color: #F3F8FF;
  background-color: #08162B;
  overflow-x: hidden;
}

/* Site Header - Fixed Navigation */
.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);
}

/* Header Top Area */
.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #08162B; /* Deep Navy */
  width: 100%;
  padding: 0 20px; /* Add padding to header-top itself to prevent logo/buttons touching edges */
}

.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;
}

/* Logo */
.logo {
  font-weight: bold;
  font-size: 28px;
  color: #F2C14E; /* Gold */
  text-decoration: none;
  display: flex;
  align-items: center;
  height: 100%;
}

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

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

/* Mobile Navigation Buttons (hidden by default on desktop) */
.mobile-nav-buttons {
  box-sizing: border-box;
  display: none; /* Hidden by default on desktop */
  min-height: 48px; /* Placeholder height */
}

/* Main Navigation Area */
.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex; /* Desktop default: visible */
  align-items: center;
  overflow: hidden;
  background-color: #113B7A; /* Primary Color */
  width: 100%;
  padding: 0 20px; /* Add padding to main-nav itself */
}

.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;
}

.nav-link {
  color: #AFC4E8; /* Text Secondary */
  text-decoration: none;
  padding: 0 15px;
  font-weight: 500;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: #F2C14E; /* Gold */
}

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

.hamburger-icon,
.hamburger-icon::before,
.hamburger-icon::after {
  display: block;
  width: 25px;
  height: 3px;
  background-color: #F3F8FF; /* Text Main */
  border-radius: 3px;
  transition: all 0.3s ease;
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  position: absolute;
  left: 10px;
}

.hamburger-icon::before {
  transform: translateY(-8px);
}

.hamburger-icon::after {
  transform: translateY(8px);
}

.hamburger-menu.active .hamburger-icon {
  background-color: transparent;
}

.hamburger-menu.active .hamburger-icon::before {
  transform: translateY(0) rotate(45deg);
}

.hamburger-menu.active .hamburger-icon::after {
  transform: translateY(0) rotate(-45deg);
}

/* Buttons */
.btn {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #F3F8FF; /* Text Main */
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.9;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none; /* Hidden by default */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

/* Footer */
.site-footer {
  background-color: #08162B; /* Deep Navy */
  color: #AFC4E8; /* Text Secondary */
  padding-top: 40px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-content-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-bottom: 30px;
}

.footer-col h3 {
  color: #F3F8FF; /* Text Main */
  font-size: 18px;
  margin-bottom: 15px;
}

.footer-col p {
  font-size: 14px;
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.footer-logo {
  font-size: 24px;
  color: #F2C14E; /* Gold */
  text-decoration: none;
  font-weight: bold;
  display: block;
  margin-bottom: 15px;
}

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

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

.footer-nav a {
  color: #AFC4E8; /* Text Secondary */
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: #F2C14E; /* Gold */
}

.footer-bottom {
  background-color: #08162B; /* Deep Navy */
  color: #AFC4E8; /* Text Secondary */
  text-align: center;
  padding: 15px 20px;
  border-top: 1px solid #1B3357; /* Divider */
  font-size: 13px;
}

/* Footer Slot Anchors - ensure visibility for content injection */
.footer-slot-anchor-inner {
  min-height: 1px; /* Ensure element exists and can be seen by layout engine */
}

/* Responsive Styles */
@media (max-width: 768px) {
  :root {
    --header-offset: 110px;
  }

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

  .header-top {
    min-height: 60px;
    height: 60px;
    padding: 0 15px; /* Smaller padding for mobile */
  }

  .header-container {
    max-width: none; /* No max-width on mobile */
    padding: 0;
    justify-content: space-between;
  }

  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    height: 100%;
  }

  .logo img {
    max-height: 56px !important; /* Adjusted for mobile header height */
  }

  .hamburger-menu {
    display: block; /* Show hamburger menu on mobile */
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    min-height: 48px;
    align-items: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
    background-color: #1D5FD1; /* Secondary color for mobile buttons bar */
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Account for gap */
    box-sizing: border-box;
    padding: 8px 12px;
    font-size: 13px;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    text-align: center;
  }

  .main-nav {
    min-height: 48px;
    height: calc(100vh - var(--header-offset)); /* Full height minus header offset */
    position: fixed; /* Fixed for mobile menu */
    top: var(--header-offset);
    left: 0;
    width: 80%; /* Menu width */
    max-width: 300px; /* Optional max width for menu */
    transform: translateX(-100%); /* Hidden by default */
    background-color: #113B7A; /* Primary Color */
    flex-direction: column; /* Vertical menu */
    justify-content: flex-start;
    align-items: flex-start;
    overflow-y: auto;
    transition: transform 0.3s ease;
    z-index: 1001;
    padding: 20px 0;
  }

  .main-nav.active {
    display: flex; /* Must be flex to display */
    transform: translateX(0); /* Show menu */
  }

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

  .nav-link {
    padding: 10px 0;
    width: 100%;
    border-bottom: 1px solid #1B3357; /* Divider */
  }

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

  .mobile-menu-overlay.active {
    display: block;
  }

  .footer-content-grid {
    grid-template-columns: 1fr; /* Single column layout for footer on mobile */
  }

  .footer-col {
    margin-bottom: 25px;
    text-align: center;
  }

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

  .footer-col h3 {
    text-align: center;
  }

  .footer-nav {
    text-align: center;
  }

  .footer-nav li {
    display: inline-block;
    margin: 0 10px 10px 10px;
  }

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

  .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;
  }
}
/* 内容保护（系统追加，请勿删除） */
body {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
input, textarea, select, [contenteditable="true"] {
  -webkit-user-select: text;
  -moz-user-select: text;
  user-select: text;
}