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

body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding-top: var(--header-offset);
  background-color: #08162B; /* Deep Navy as default body background */
  color: #F3F8FF; /* Text Main */
  overflow-x: hidden;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  background-color: #08162B; /* Deep Navy */
}

.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; /* Default padding for desktop */
}

.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 {
  font-size: 28px;
  font-weight: bold;
  color: #F2C14E; /* Gold for logo text */
  text-decoration: none;
  display: block;
  padding: 0;
  margin: 0;
  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; /* Hidden by default on desktop */
  min-height: 48px;
  background-color: #113B7A; /* Primary color */
  padding: 10px 20px;
}

.btn {
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  white-space: nowrap;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  color: #F3F8FF; /* Text Main */
  border: none;
}

.btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3), 0 0 15px #4FA8FF; /* Glow */
}

.btn-secondary {
  background-color: #1D5FD1; /* Secondary color */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
  background-color: #2B73F6;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #113B7A; /* Primary color */
  width: 100%;
  padding: 0 20px;
}

.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;
  width: 100%;
}

.nav-link {
  color: #F3F8FF; /* Text Main */
  text-decoration: none;
  padding: 10px 15px;
  font-size: 16px;
  white-space: nowrap;
  transition: color 0.3s ease, background-color 0.3s ease;
}

.nav-link:hover {
  color: #F2C14E; /* Gold */
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.hamburger-menu {
  display: none; /* Hidden by default on desktop */
  flex-direction: column;
  justify-content: space-around;
  width: 30px;
  height: 25px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001; /* Above header */
}

.hamburger-menu .bar {
  width: 100%;
  height: 3px;
  background-color: #F3F8FF; /* Text Main */
  border-radius: 2px;
  transition: all 0.3s ease;
}

.overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 998;
  transition: opacity 0.3s ease;
  opacity: 0;
}

.overlay.active {
  display: block;
  opacity: 1;
}

.site-footer {
  background-color: #10233F; /* Card B G */
  color: #AFC4E8; /* Text Secondary */
  padding: 40px 20px;
  font-size: 14px;
  line-height: 1.6;
  width: 100%;
  box-sizing: border-box;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 30px auto;
  padding: 0 15px; /* Add padding for consistency */
}

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

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

.footer-col .footer-description {
  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: #AFC4E8; /* Text Secondary */
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #1B3357; /* Divider */
  max-width: 1200px;
  margin: 0 auto;
}

.footer-slot-anchor-inner {
  height: 0;
  overflow: hidden;
}

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

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

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

  .header-container {
    max-width: none; /* Remove max-width for mobile */
    width: 100%;
    justify-content: space-between;
    position: relative; /* For logo centering */
  }

  .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); /* Ensure space for hamburger */
    font-size: 24px;
  }

  .logo img {
    max-height: 56px !important;
    width: auto;
    max-width: 100%;
  }

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

  .hamburger-menu {
    display: flex;
    position: relative;
    z-index: 1002;
    margin-right: auto; /* Push to left */
  }

  .hamburger-menu.active .bar:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
  }

  .hamburger-menu.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger-menu.active .bar:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
  }

  .mobile-nav-buttons {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 8px 15px; /* Smaller padding for mobile buttons */
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
  }

  .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;
  }

  .main-nav {
    display: none; /* Hidden by default */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Below the header and mobile buttons */
    left: 0;
    width: 250px;
    height: calc(100vh - var(--header-offset));
    background-color: #08162B; /* Deep Navy */
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    transform: translateX(-100%); /* Slide out from left */
    transition: transform 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
    padding-top: 20px;
  }

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

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

  .nav-link {
    width: 100%;
    padding: 12px 15px;
    border-bottom: 1px solid #1B3357; /* Divider */
    font-size: 16px;
  }

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

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 0 15px;
  }

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

  .footer-col h3 {
    margin-top: 20px;
  }

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

  .footer-bottom {
    padding: 15px;
  }

  .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;
  }
}