:root {
  --header-offset: 120px; /* Desktop: header-top (70px) + main-nav (50px) */
}

@media (max-width: 768px) {
  :root {
    --header-offset: 120px; /* Mobile: header-top (70px) + mobile-nav-buttons (50px) */
  }
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #333333;
  background-color: #FFFFFF;
  padding-top: var(--header-offset);
  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);
}

.header-top {
  background-color: #000000; /* Primary color */
  width: 100%;
  padding: 10px 0;
  min-height: 50px; /* Base height for logo/buttons */
  display: flex;
  align-items: center;
}

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

.logo {
  font-size: 1.8em;
  font-weight: bold;
  color: #FCBC45; /* Contrasting color for logo */
  text-decoration: none;
  text-transform: uppercase;
  display: block;
  padding: 5px 0;
}

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

.btn {
  padding: 8px 15px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
  white-space: nowrap;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-login {
  background-color: #FCBC45; /* Login button color */
  color: #000000; /* Primary color for text */
}

.btn-register {
  background-color: #FFFFFF; /* Register button color */
  color: #000000; /* Primary color for text */
  border: 1px solid #FCBC45;
}

.btn-login:hover, .btn-register:hover {
  opacity: 0.9;
}

.main-nav {
  background-color: #333333; /* Darker shade for main nav, contrasting with header-top */
  width: 100%;
  display: flex;
  padding: 10px 0;
  min-height: 30px; /* Base height for nav links */
}

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

.nav-link {
  color: #FFFFFF; /* Secondary color for links */
  text-decoration: none;
  padding: 8px 15px;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: #FCBC45; /* Login button color for hover */
}

.hamburger-menu,
.mobile-nav-buttons,
.mobile-menu-overlay {
  display: none;
}

/* Footer styles */
.site-footer {
  background-color: #000000; /* Primary color */
  color: #FFFFFF; /* Secondary color */
  padding: 40px 20px 20px;
  font-size: 0.9em;
}

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

.footer-col {
  flex: 1 1 250px;
  margin-bottom: 20px;
}

.footer-col h3 {
  color: #FCBC45; /* Login button color for headings */
  margin-bottom: 15px;
  font-size: 1.1em;
}

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

.footer-col li {
  margin-bottom: 8px;
}

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

.footer-col a:hover {
  color: #FCBC45; /* Login button color for hover */
}

.footer-bottom {
  text-align: center;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #333333;
}

@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;
  }

  .header-container {
    padding: 0 15px;
    flex-wrap: nowrap;
    justify-content: space-between;
    width: 100%;
    max-width: none;
  }

  .header-top {
    flex-direction: column;
    padding: 0;
  }

  .hamburger-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
    z-index: 1001;
    order: 1;
    margin-right: 15px;
  }

  .hamburger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #FFFFFF;
    border-radius: 3px;
    transition: all 0.3s ease;
  }

  .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);
  }

  .logo {
    order: 2;
    flex: 1;
    text-align: center;
    margin: 0;
  }

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

  .mobile-nav-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 10px 15px;
    background-color: #111111; /* Even darker for mobile buttons area */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  }

  .main-nav {
    display: none;
    position: fixed;
    top: var(--header-offset);
    left: 0;
    width: 80%; /* Adjust width for mobile menu */
    height: calc(100% - var(--header-offset));
    background-color: #222222;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    z-index: 999;
  }

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

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

  .nav-link {
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid #444444;
    text-align: left;
  }

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

  .mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 998;
  }

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

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

  .footer-col {
    flex: 1 1 100%;
  }

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

  .footer-col li {
    display: inline-block;
    margin: 0 10px 8px;
  }
}

.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;
  }
}