:root {
  --header-offset: 110px; /* Desktop: header-top (60px) + main-nav (50px) */
}

@media (max-width: 768px) {
  :root {
    --header-offset: 120px; /* Mobile: header-top (60px) + mobile-nav-buttons (60px) */
  }
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333;
  background-color: #FFFFFF;
  padding-top: var(--header-offset); /* Ensure content is not hidden by fixed header */
}

/* Fixed Header Styles */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  background-color: #000000; /* Default background, will be overridden by header-top and main-nav */
}

.site-header .header-top {
  background-color: #000000; /* Primary color for top section */
  min-height: 60px;
  display: flex;
  align-items: center;
}

.site-header .header-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px; /* Desktop padding */
}

.site-header .logo,
.footer-logo {
  font-size: 28px;
  font-weight: bold;
  color: #FFFFFF;
  text-decoration: none;
  padding: 5px 0;
  display: block; /* Ensure logo is always visible */
}

.site-header .desktop-nav-buttons {
  display: flex;
  gap: 12px;
  align-items: center;
}

.site-header .btn {
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.site-header .btn-login {
  background-color: #FCBC45;
  color: #000000;
}

.site-header .btn-login:hover {
  background-color: #e0a83d;
}

.site-header .btn-register {
  background-color: #FFFFFF;
  color: #000000;
  border: 1px solid #FCBC45; /* Added border for contrast on white background */
}

.site-header .btn-register:hover {
  background-color: #f0f0f0;
}

.site-header .main-nav {
  background-color: #333333; /* Dark grey, contrasting with header-top */
  min-height: 50px;
  display: flex; /* Desktop default: flex */
  align-items: center;
}

.site-header .main-nav .nav-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex; /* Desktop default: flex */
  flex-direction: row; /* Desktop default: row */
  justify-content: center;
  align-items: center;
  padding: 10px 20px;
}

.site-header .nav-link {
  color: #FFFFFF;
  text-decoration: none;
  padding: 8px 15px;
  font-weight: bold;
  transition: color 0.3s ease, background-color 0.3s ease;
  white-space: nowrap;
}

.site-header .nav-link:hover {
  color: #FCBC45;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
}

.hamburger-menu .bar {
  display: block;
  width: 25px;
  height: 3px;
  background-color: #FFFFFF;
  margin: 5px auto;
  transition: all 0.3s ease-in-out;
}

.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
}

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

/* Footer Styles */
.site-footer {
  background-color: #1a1a1a; /* Dark background for footer */
  color: #FFFFFF;
  padding: 40px 20px;
  font-size: 14px;
}

.site-footer .footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 30px;
}

.site-footer .footer-col {
  flex: 1;
  min-width: 200px;
}

.site-footer .footer-col h3 {
  color: #FCBC45;
  font-size: 18px;
  margin-bottom: 15px;
}

.site-footer .footer-logo {
  font-size: 32px;
  font-weight: bold;
  color: #FFFFFF;
  text-decoration: none;
  margin-bottom: 10px;
  display: block;
}

.site-footer .footer-tagline {
  margin-bottom: 15px;
  line-height: 1.8;
}

.site-footer .footer-copyright {
  margin-top: 20px;
  font-size: 13px;
  opacity: 0.8;
}

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

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

.site-footer .footer-nav a {
  color: #FFFFFF;
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.3s ease, color 0.3s ease;
}

.site-footer .footer-nav a:hover {
  opacity: 1;
  color: #FCBC45;
}

/* Mobile Styles */
@media (max-width: 768px) {
  .site-header .header-container {
    padding: 0 15px; /* Mobile padding */
    justify-content: space-between; /* Hamburger left, Logo center, space right */
  }

  .site-header .logo {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0; /* Remove extra padding for centering */
  }

  .site-header .logo a {
    font-size: 24px;
  }

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

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
    order: -1; /* Place hamburger on the left */
  }

  .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);
  }

  .site-header .main-nav {
    display: none; /* Hidden by default on mobile */
    flex-direction: column; /* Vertical menu on mobile */
    position: fixed;
    top: var(--header-offset); /* Position below header content */
    left: 0;
    width: 280px;
    height: calc(100vh - var(--header-offset));
    background-color: #222222; /* Darker background for mobile menu */
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    transform: translateX(-100%); /* Off-screen by default */
    transition: transform 0.3s ease;
    overflow-y: auto;
    z-index: 1000; /* Below overlay, above body */
  }

  .site-header .main-nav.active {
    display: flex; /* Show menu when active */
    transform: translateX(0); /* Slide into view */
  }

  .site-header .main-nav .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 15px;
  }

  .site-header .nav-link {
    width: 100%;
    padding: 12px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

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

  .mobile-nav-buttons {
    display: flex; /* Show mobile buttons */
    justify-content: center;
    gap: 12px;
    padding: 10px 15px;
    background-color: #000000; /* Same as header-top */
    width: 100%;
    box-sizing: border-box;
    z-index: 1000;
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    text-align: center;
  }

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

  .site-footer .footer-container {
    flex-direction: column;
    gap: 20px;
  }

  .site-footer .footer-col {
    min-width: unset;
  }
}

body.no-scroll {
  overflow: hidden;
}
/* Payment Methods 图标容器样式 */
.payment-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 5px;
}

.payment-icons img,
.payment-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}

/* Game Providers 图标容器样式 */
.game-providers-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.game-providers-icons img,
.game-provider-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}

/* Social Media 图标容器样式 */
.social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.social-media-icons img,
.social-media-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}
/* 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;
  }
}