:root { --header-offset: 122px; }
body { padding-top: var(--header-offset); margin: 0; font-family: Arial, sans-serif; background-color: #F5F7FA; color: #333333; overflow-x: hidden; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  background-color: transparent; /* Handled by header-top and main-nav */
  box-sizing: border-box;
}

.header-top {
  box-sizing: border-box;
  min-height: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #E53935; /* Primary color */
  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;
}

.logo {
  color: #FFFFFF;
  font-size: 24px;
  text-decoration: none;
  font-weight: bold;
  display: flex;
  align-items: center;
  height: 100%;
  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;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  color: #FFFFFF;
  font-weight: bold;
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.mobile-nav-buttons {
  box-sizing: border-box;
  display: none; /* Hidden by default on desktop */
  min-height: 48px;
  background-color: #F5F7FA; /* Light background for mobile buttons */
  width: 100%;
  padding: 0 15px;
  gap: 10px;
  align-items: center;
  justify-content: center;
}

.main-nav {
  box-sizing: border-box;
  min-height: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #FF5A4F; /* Secondary color for navigation */
  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;
}

.nav-link {
  color: #FFFFFF;
  text-decoration: none;
  padding: 0 15px;
  height: 100%;
  display: flex;
  align-items: center;
  white-space: nowrap;
  transition: background-color 0.2s ease;
  font-size: 15px;
  font-weight: bold;
}

.nav-link:hover,
.nav-link.active {
  background-color: rgba(255, 255, 255, 0.2);
}

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

.hamburger-icon,
.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  display: block;
  width: 100%;
  height: 3px;
  background-color: #FFFFFF;
  position: absolute;
  transition: all 0.3s ease;
}

.hamburger-icon {
  top: 50%;
  transform: translateY(-50%);
}

.hamburger-icon::before {
  top: -8px;
}

.hamburger-icon::after {
  top: 8px;
}

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

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

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

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

/* Footer styles */
.site-footer {
  background-color: #333333;
  color: #F5F7FA;
  padding: 40px 20px;
  font-size: 14px;
  line-height: 1.6;
  box-sizing: border-box;
}

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

.footer-col h3 {
  color: #FF5A4F;
  font-size: 16px;
  margin-bottom: 15px;
}

.footer-logo {
  color: #FF5A4F;
  font-size: 28px;
  font-weight: bold;
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

.footer-description {
  color: #E0E0E0;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

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

.footer-nav li a {
  color: #E0E0E0;
  text-decoration: none;
  display: block;
  padding: 5px 0;
  transition: color 0.2s ease;
}

.footer-nav li a:hover {
  color: #FF5A4F;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #555555;
  max-width: 1200px;
  margin: 0 auto;
  color: #E0E0E0;
}

.footer-bottom p {
  margin: 0;
}

.footer-slot-anchor-inner {
  /* This is an empty container for dynamic content injection */
  min-height: 1px; /* Ensure it's always rendered */
}

/* Mobile 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;
  }

  .header-container {
    width: 100%;
    max-width: none;
    padding: 0 15px;
    position: relative;
  }

  .hamburger-menu {
    display: block;
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
  }

  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    position: static; /* Reset absolute positioning */
    transform: none; /* Reset transform */
    padding: 0;
    margin: 0;
  }

  .logo img {
    max-height: 56px !important;
    max-width: calc(100% - 60px); /* Adjust for hamburger */
  }

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

  .mobile-nav-buttons {
    display: flex !important;
    min-height: 48px;
    background-color: #F5F7FA;
    width: 100%; max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
  }

  .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 */
    position: fixed;
    top: var(--header-offset);
    left: 0;
    width: 80%; /* Adjust as needed */
    max-width: 300px;
    height: calc(100% - var(--header-offset));
    background-color: #333333; /* Darker background for mobile menu */
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 0;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.3);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    z-index: 1001;
  }

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

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    max-width: none;
    padding: 0;
  }

  .nav-link {
    width: 100%;
    padding: 12px 20px;
    justify-content: flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 16px;
  }

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

  .overlay.active {
    display: block;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
    padding: 0 15px;
  }

  .footer-col {
    margin-bottom: 20px;
  }

  .site-footer {
    padding: 30px 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;
}