:root { --header-offset: 122px; --primary-color: #113B7A; --secondary-color: #1D5FD1; --text-main: #F3F8FF; --text-secondary: #AFC4E8; --border-color: #244D84; --glow-color: #4FA8FF; --gold-color: #F2C14E; --divider-color: #1B3357; --deep-navy: #08162B; }

body { padding-top: var(--header-offset); margin: 0; font-family: 'Arial', sans-serif; background-color: var(--deep-navy); color: var(--text-main); overflow-x: hidden; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  background-color: var(--primary-color);
  box-sizing: border-box;
}

.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--deep-navy);
  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-left: 20px;
  padding-right: 20px;
}

.logo {
  font-size: 28px;
  font-weight: bold;
  color: var(--gold-color);
  text-decoration: none;
  white-space: nowrap;
  display: flex;
  align-items: center;
  height: 100%;
}

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

.hamburger-menu {
  display: none; /* Hidden on desktop */
  width: 30px;
  height: 24px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  z-index: 1002;
}

.hamburger-menu .bar {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--text-main);
  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 on desktop */
  min-height: 48px;
  background-color: var(--primary-color);
  width: 100%;
  padding: 10px 20px;
}

.btn {
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 15px;
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  color: var(--text-main);
}

.btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-secondary {
  background-color: var(--secondary-color);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}
.btn-secondary:hover { opacity: 0.9; transform: translateY(-1px); }

.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--primary-color);
  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: 25px;
}

.nav-link {
  color: var(--text-main);
  text-decoration: none;
  font-size: 16px;
  font-weight: bold;
  padding: 5px 0;
  white-space: nowrap;
  transition: color 0.3s ease;
}

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

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
  cursor: pointer;
}

/* Footer Styles */
.site-footer {
  background-color: var(--card-b-g, #10233F);
  color: var(--text-secondary);
  padding: 40px 20px 20px;
  font-size: 14px;
  line-height: 1.6;
  box-sizing: border-box;
}

.footer-slot-anchor { width: 100%; }
.footer-slot-anchor-inner { width: 100%; }

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

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

.footer-logo {
  font-size: 24px;
  font-weight: bold;
  color: var(--gold-color);
  text-decoration: none;
  margin-bottom: 15px;
  display: block;
}

.footer-description {
  color: var(--text-secondary);
  margin: 0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.footer-title {
  font-size: 18px;
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: bold;
}

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  padding-top: 20px;
  color: var(--text-secondary);
  border-top: 1px solid var(--divider-color);
}

.footer-bottom p { margin: 0; }

/* Responsive Styles */
@media (max-width: 768px) {
  :root { --header-offset: 110px; }
  body { overflow-x: hidden; }
  .page-content img { max-width: 100% !important; height: auto !important; display: block; }
  .page-content { overflow-x: hidden; max-width: 100%; }

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

  .header-container {
    width: 100%;
    max-width: none;
    padding: 0;
    justify-content: space-between;
    position: relative; /* For logo centering */
  }

  .hamburger-menu { display: block; }

  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    position: absolute; /* Absolute positioning for center */
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 100px); /* Account for hamburger and potential right element */
    height: 100%;
  }

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

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

  .mobile-nav-buttons {
    display: flex !important;
    min-height: 48px;
    align-items: center;
    justify-content: center; /* Center buttons horizontally */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
  }

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

  .main-nav {
    min-height: 48px !important;
    height: auto; /* Allow content to dictate height */
    position: fixed;
    top: var(--header-offset);
    left: 0;
    width: 80%; /* Menu width */
    max-width: 300px;
    height: calc(100vh - var(--header-offset));
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    background-color: var(--deep-navy); /* Darker background for mobile menu */
    transform: translateX(-100%); /* Hidden by default */
    transition: transform 0.3s ease;
    overflow-y: auto;
    display: none; /* Hidden by default */
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.3);
  }

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

  .nav-container {
    flex-direction: column;
    padding: 20px;
    width: 100%;
    max-width: none;
    align-items: flex-start;
    gap: 15px;
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--divider-color);
  }

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

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

  /* Footer Responsive */
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-col {
    align-items: flex-start;
  }

  .footer-bottom {
    padding-left: 15px;
    padding-right: 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;
  }
}