:root {
  --header-offset: 100px; /* Desktop: header-top (60px) + main-nav (40px) */
}

@media (max-width: 768px) {
  :root {
    --header-offset: 100px; /* Mobile: header-top (50px) + mobile-nav-buttons (50px) */
  }
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #E0E0E0; /* Light grey for general text on dark backgrounds */
  background-color: #0D0D0D; /* Very dark background */
}

.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.header-top {
  background-color: #1A1A1A; /* Auxiliary color */
  padding: 10px 0;
  min-height: 60px; /* Ensure sufficient height for logo/buttons */
  display: flex;
  align-items: center;
}

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

.logo {
  font-size: 28px;
  font-weight: bold;
  color: #FFD700; /* Primary color */
  text-decoration: none;
  text-transform: uppercase;
  padding: 0;
  margin: 0;
}

.desktop-nav-buttons {
  display: flex;
  gap: 10px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.2s ease;
  white-space: nowrap;
  color: #1A1A1A; /* Dark text for bright buttons */
  background-color: #FFD700; /* Primary color for buttons */
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: #FFC107; /* Slightly darker gold on hover */
  transform: translateY(-2px);
}

.main-nav {
  background-color: #FFD700; /* Primary color for main nav */
  padding: 5px 0;
  min-height: 40px; /* Ensure sufficient height for links */
  display: flex;
  align-items: center;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 5px 20px;
  gap: 25px; /* Spacing between nav links */
}

.nav-link {
  color: #1A1A1A; /* Dark text on gold background */
  text-decoration: none;
  font-weight: bold;
  padding: 8px 15px;
  transition: color 0.3s ease, background-color 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  background-color: rgba(26, 26, 26, 0.1); /* Subtle dark hover */
  border-radius: 5px;
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  width: 30px;
  height: 25px;
  position: relative;
  cursor: pointer;
  z-index: 1001;
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: #FFD700; /* Gold lines */
  border-radius: 2px;
  position: absolute;
  left: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger-menu span:nth-child(1) {
  top: 0;
}

.hamburger-menu span:nth-child(2) {
  top: 11px;
}

.hamburger-menu span:nth-child(3) {
  top: 22px;
}

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

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

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

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

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

.site-footer {
  background-color: #1A1A1A; /* Auxiliary color */
  color: #E0E0E0;
  padding: 40px 20px 20px;
  text-align: center;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 30px;
  text-align: left;
}

.footer-col {
  flex: 1;
  min-width: 200px;
  max-width: 300px;
}

.footer-col h3 {
  color: #FFD700; /* Primary color */
  margin-bottom: 15px;
  font-size: 20px;
}

.footer-col p {
  font-size: 14px;
  line-height: 1.8;
}

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

.footer-nav a {
  color: #E0E0E0;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: #FFD700; /* Primary color on hover */
}

.copyright {
  margin-top: 40px;
  font-size: 13px;
  color: #999;
}

/* Mobile Styles */
@media (max-width: 768px) {
  .header-top {
    padding: 10px 0;
    min-height: 50px;
  }

  .header-container {
    padding: 0 15px;
    width: 100%;
    max-width: none; /* Ensure it takes full width */
    justify-content: space-between; /* Hamburger left, logo middle */
  }

  .logo {
    flex: 1; /* Allows logo to take available space for centering */
    text-align: center; /* Center text logo */
    font-size: 24px;
  }

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

  .hamburger-menu {
    display: block;
    order: -1; /* Place hamburger menu to the left */
    margin-right: auto; /* Push logo to center */
  }

  .main-nav {
    display: none; /* Hidden by default */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Start below the fixed header */
    left: 0;
    width: 250px;
    height: calc(100% - var(--header-offset));
    background-color: #1A1A1A; /* Dark background for mobile menu */
    transform: translateX(-100%); /* Slide out to the left */
    transition: transform 0.3s ease;
    padding: 20px 0;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.5);
    align-items: flex-start;
    justify-content: flex-start;
  }

  .main-nav.active {
    display: flex; /* Must be flex to display */
    transform: translateX(0); /* Slide in */
  }

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 15px;
    width: 100%;
    max-width: none; /* Ensure it takes full width */
    gap: 15px;
  }

  .nav-link {
    width: 100%;
    text-align: left;
    color: #FFD700; /* Gold text on dark background */
    padding: 10px 15px;
  }

  .nav-link:hover {
    background-color: rgba(255, 215, 0, 0.1); /* Subtle gold hover */
  }

  .mobile-nav-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 10px 15px;
    background-color: #333; /* Slightly lighter dark background for buttons */
    min-height: 50px;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    max-width: 150px;
    text-align: center;
    padding: 8px 15px;
    font-size: 14px;
  }

  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-col {
    min-width: unset;
    max-width: 100%;
    width: 100%;
  }

  .footer-nav {
    align-items: center;
  }
}
/* 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;
  }
}