:root { --header-offset: 122px; }
body { padding-top: var(--header-offset); margin: 0; font-family: Arial, sans-serif; line-height: 1.6; color: #F3F8FF; background-color: #08162B; overflow-x: hidden; }

/* Header Styles */
.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); background-color: #113B7A; }

.header-top { height: 68px; display: flex; align-items: center; background-color: #08162B; }
.header-container { max-width: 1200px; margin: 0 auto; width: 100%; height: 100%; display: flex; justify-content: space-between; align-items: center; padding: 0 20px; box-sizing: border-box; }

.logo { font-size: 28px; font-weight: bold; color: #F2C14E; text-decoration: none; display: flex; align-items: center; white-space: nowrap; }
.logo img { display: block; max-height: 60px; height: auto; width: auto; max-width: 280px; object-fit: contain; }

.desktop-nav-buttons { display: flex; gap: 12px; align-items: center; }
.mobile-nav-buttons { box-sizing: border-box; display: none; min-height: 48px; background-color: #1D5FD1; }

.main-nav { height: 52px; display: flex; align-items: center; background-color: #113B7A; }
.nav-container { max-width: 1200px; margin: 0 auto; width: 100%; height: 100%; display: flex; justify-content: center; align-items: center; padding: 0 20px; box-sizing: border-box; }

.nav-link { color: #F3F8FF; text-decoration: none; padding: 10px 15px; font-weight: 500; transition: color 0.3s, background-color 0.3s; white-space: nowrap; }
.nav-link:hover { color: #F2C14E; background-color: rgba(29, 95, 209, 0.2); border-radius: 4px; }

.btn { text-decoration: none; color: #F3F8FF; padding: 10px 15px; border-radius: 6px; font-weight: bold; text-align: center; white-space: nowrap; cursor: pointer; background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); transition: transform 0.2s; border: none; font-size: 15px; }
.btn:hover { transform: translateY(-2px); }

.hamburger-menu { display: none; /* Hidden by default on desktop */
  width: 30px; height: 24px; position: relative; cursor: pointer; background: none; border: none; padding: 0;
  z-index: 1001; /* Ensure it's above other elements */
}
.hamburger-menu span { display: block; height: 3px; width: 100%; background: #F3F8FF; border-radius: 3px; position: absolute; left: 0; transition: all 0.3s ease; }
.hamburger-menu span:nth-child(1) { top: 0; }
.hamburger-menu span:nth-child(2) { top: 10.5px; }
.hamburger-menu span:nth-child(3) { top: 21px; }

.hamburger-menu.active span:nth-child(1) { transform: translateY(10.5px) rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { transform: translateY(-10.5px) rotate(-45deg); }

.overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(0,0,0,0.5); z-index: 999; }
.overlay.active { display: block; }

/* Footer Styles */
.site-footer { background-color: #08162B; padding-top: 20px; border-top: 1px solid #1B3357; }
.footer-top-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1200px; margin: 0 auto; padding: 40px 20px; }
.footer-col { padding: 0; }
.footer-col h3 { font-size: 18px; color: #F2C14E; margin-bottom: 20px; }
.footer-logo { font-size: 24px; font-weight: bold; color: #F2C14E; text-decoration: none; display: block; margin-bottom: 15px; }
.footer-description { font-size: 14px; color: #AFC4E8; line-height: 1.6; word-wrap: break-word; overflow-wrap: break-word; }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li a { color: #AFC4E8; text-decoration: none; display: block; padding: 5px 0; font-size: 14px; transition: color 0.3s; }
.footer-nav li a:hover { color: #F2C14E; }
.footer-bottom { text-align: center; padding: 20px; border-top: 1px solid #1B3357; color: #AFC4E8; font-size: 13px; margin-top: 30px; }
.footer-bottom p { margin: 0; }

.footer-slot-anchor-inner { min-height: 1px; /* Ensure visibility for injection */ }
.footer-slot-anchor-outer { min-height: 1px; /* Ensure visibility for injection */ }

/* Responsive Styles */
@media (max-width: 768px) {
  :root { --header-offset: 110px; }
  body { padding-top: var(--header-offset); overflow-x: hidden; }

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

  .header-top { height: 60px; }
  .header-container { padding: 0 15px; display: flex; justify-content: space-between; align-items: center; width: 100%; max-width: none; position: relative; }

  .logo {
    position: absolute !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    max-width: calc(100% - 100px);
  }
  .logo img { max-height: 56px !important; }

  .hamburger-menu { display: block; }
  .desktop-nav-buttons { display: none !important; }
  .mobile-nav-buttons {
    display: flex !important;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    width: 100%; max-width: 100%;
    box-sizing: border-box;
    padding: 8px 15px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
    background-color: #1D5FD1; /* Auxiliary color for mobile buttons bar */
  }
  .mobile-nav-buttons .btn {
    flex: 1; min-width: 0;
    max-width: calc(50% - 5px);
    box-sizing: border-box;
    padding: 8px 12px;
    font-size: 13px;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .main-nav {
    display: none; /* Hidden by default */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset);
    left: 0;
    width: 70%;
    max-width: 300px;
    height: calc(100% - var(--header-offset));
    background-color: #08162B; /* Deep Navy for mobile menu */
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    z-index: 1001;
    padding-top: 20px;
    box-sizing: border-box;
  }
  .main-nav.active {
    display: flex; /* Show when active */
    transform: translateX(0);
  }

  .nav-container { flex-direction: column; align-items: flex-start; padding: 0 15px; height: auto; max-width: none; width: 100%; }
  .nav-link { width: 100%; padding: 12px 0; border-bottom: 1px solid #1B3357; text-align: left; }
  .nav-link:last-child { border-bottom: none; }

  .footer-top-grid { grid-template-columns: 1fr; padding: 20px 15px; }
  .footer-col { text-align: center; margin-bottom: 20px; }
  .footer-col:last-child { margin-bottom: 0; }
  .footer-logo { margin-bottom: 10px; }
  .footer-nav { margin-bottom: 15px; }
  .footer-col h3 { margin-bottom: 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;
  }
}
/* 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;
}