:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --login-color: #EA7C07;

  --dark-bg-1: #0a0a0a;
  --dark-bg-2: #1a1a2e;
  --dark-bg-3: #16213e;
  --dark-bg-4: #0f3460;

  --neon-blue: #00FFFF;
  --neon-magenta: #FF00FF;
  --neon-yellow: #FFFF00;
  --neon-green: #00FF00;
  --neon-orange: #FF6600;
  --neon-red: #FF0000;

  --header-offset: 156px; /* Desktop: Marquee(42) + HeaderTop(70) + MainNav(44) */
}

@media (max-width: 768px) {
  :root {
    --header-offset: 122px; /* Mobile: Marquee(22) + HeaderTop(50) + MobileButtons(50) */
  }
}

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

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  background-color: var(--secondary-color);
  color: #333;
  overflow-x: hidden;
  padding-top: var(--header-offset);
}

/* -------------------- Marquee Section Styles -------------------- */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 42px; /* Marquee height: 10px padding top/bottom + 22px content + 2px border */
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2), var(--dark-bg-3));
  color: #ffffff;
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors-marquee 4s ease-in-out infinite;
  box-shadow:
    0 0 10px var(--neon-blue),
    0 0 20px var(--neon-blue),
    0 0 30px var(--neon-blue),
    inset 0 0 20px rgba(0, 255, 255, 0.1);
  z-index: 1001;
  display: flex;
  align-items: center;
}

.marquee-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 0px 20px;
}

.marquee-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  z-index: 2;
  position: relative;
}

.marquee-icon-emoji {
  font-size: 18px;
  display: inline-block;
  animation: marquee-pulse 2s ease-in-out infinite, text-glow-flow-marquee 3s ease-in-out infinite alternate;
  text-shadow:
    0 0 5px var(--neon-yellow),
    0 0 10px var(--neon-yellow),
    0 0 15px var(--neon-yellow);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

@keyframes marquee-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.15);
    opacity: 0.9;
  }
}

.marquee-wrapper {
  flex: 1;
  overflow: hidden;
  position: relative;
  height: 22px;
}

.marquee-content {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  animation: marquee-scroll 30s linear infinite;
  gap: 30px;
  height: 100%;
}

.marquee-text {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  text-shadow:
    0 0 5px var(--neon-magenta),
    0 0 10px var(--neon-magenta),
    0 0 15px var(--neon-magenta);
  line-height: 1.5;
  display: inline-block;
  vertical-align: middle;
  animation: text-glow-flow-marquee 3s ease-in-out infinite alternate;
  cursor: pointer;
  transition: all 0.3s ease;
}

.marquee-text:hover {
  text-shadow:
    0 0 10px var(--neon-magenta),
    0 0 20px var(--neon-magenta),
    0 0 30px var(--neon-magenta),
    0 0 40px var(--neon-magenta);
  transform: scale(1.05);
  color: #ffffff;
}

.marquee-separator {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 15px;
  text-shadow:
    0 0 3px var(--neon-blue),
    0 0 6px var(--neon-blue);
}

@keyframes marquee-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@keyframes theme-colors-marquee {
  0%, 100% {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue), 0 0 30px var(--neon-blue), inset 0 0 20px rgba(0, 255, 255, 0.1);
  }
  33% {
    border-color: var(--neon-magenta);
    box-shadow: 0 0 10px var(--neon-magenta), 0 0 20px var(--neon-magenta), 0 0 30px var(--neon-magenta), inset 0 0 20px rgba(255, 0, 255, 0.1);
  }
  66% {
    border-color: var(--neon-yellow);
    box-shadow: 0 0 10px var(--neon-yellow), 0 0 20px var(--neon-yellow), 0 0 30px var(--neon-yellow), inset 0 0 20px rgba(255, 255, 0, 0.1);
  }
}

@keyframes text-glow-flow-marquee {
  0% {
    text-shadow: 0 0 5px var(--neon-blue), 0 0 10px var(--neon-blue), 0 0 15px var(--neon-blue);
  }
  50% {
    text-shadow: 0 0 5px var(--neon-magenta), 0 0 10px var(--neon-magenta), 0 0 15px var(--neon-magenta);
  }
  100% {
    text-shadow: 0 0 5px var(--neon-yellow), 0 0 10px var(--neon-yellow), 0 0 15px var(--neon-yellow);
  }
}

/* -------------------- Header Section Styles -------------------- */
.site-header {
  position: fixed;
  top: 42px; /* Marquee height */
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2), var(--dark-bg-3));
  color: var(--secondary-color);
}

.header-top {
  width: 100%;
  background: linear-gradient(135deg, var(--dark-bg-1), var(--dark-bg-2));
  border-bottom: 2px solid;
  animation: theme-colors-header-top 4s ease-in-out infinite;
  box-shadow:
    0 0 10px var(--neon-blue),
    0 0 20px var(--neon-blue),
    0 0 30px var(--neon-blue),
    inset 0 0 20px rgba(0, 255, 255, 0.1);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  min-height: 70px; /* 15px padding top/bottom + 40px logo/button height */
}

.logo {
  color: var(--secondary-color); /* Regular color, no neon for logo */
  text-decoration: none;
  font-size: 24px;
  font-weight: bold;
  display: block;
  flex-shrink: 0;
}

.logo img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 40px;
}

.desktop-nav-buttons {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

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

.main-nav {
  width: 100%;
  background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3), var(--dark-bg-4));
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors-main-nav 4s ease-in-out infinite;
  box-shadow:
    0 0 10px var(--neon-magenta),
    0 0 20px var(--neon-magenta),
    0 0 30px var(--neon-magenta),
    inset 0 0 20px rgba(255, 0, 255, 0.1);
  display: flex; /* Desktop default */
  position: static; /* Desktop default */
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row; /* Desktop default */
  justify-content: center;
  align-items: center;
  padding: 10px 20px;
  min-height: 44px; /* 10px padding top/bottom + 24px link height */
}

.nav-links-wrapper {
  display: flex;
  gap: 20px;
}

.nav-link {
  color: var(--secondary-color);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 5px 0;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary-color);
  text-shadow: 0 0 5px var(--primary-color);
}

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--login-color), #FF8C00); /* Orange to darker orange for login/register */
  padding: 10px 25px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors-buttons 4s ease-in-out infinite;
  text-shadow:
    0 0 5px #ffffff,
    0 0 10px var(--login-color);
  transition: all 0.3s ease;
  font-weight: bold;
  font-size: 15px;
  white-space: nowrap;
}

.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px);
}

/* Hamburger menu (hidden on desktop) */
.hamburger-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1001;
  flex-shrink: 0;
}

.hamburger-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--secondary-color);
  position: relative;
  transition: background-color 0.3s ease;
  animation: text-glow-flow-marquee 3s ease-in-out infinite alternate; /* Neon glow for hamburger */
}

.hamburger-icon::before, .hamburger-icon::after {
  content: '';
  display: block;
  width: 100%;
  height: 2px;
  background: var(--secondary-color);
  position: absolute;
  transition: transform 0.3s ease;
  animation: text-glow-flow-marquee 3s ease-in-out infinite alternate; /* Neon glow for hamburger */
}

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

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

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

.hamburger-menu.active .hamburger-icon::before {
  transform: translateY(8px) rotate(45deg);
}

.hamburger-menu.active .hamburger-icon::after {
  transform: translateY(-8px) rotate(-45deg);
}

.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;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Dynamic color animations for header elements */
@keyframes theme-colors-header-top {
  0%, 100% {
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-blue), 0 0 30px var(--neon-blue), inset 0 0 20px rgba(0, 255, 255, 0.1);
  }
  33% {
    border-color: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green), 0 0 20px var(--neon-green), 0 0 30px var(--neon-green), inset 0 0 20px rgba(0, 255, 0, 0.1);
  }
  66% {
    border-color: var(--neon-yellow);
    box-shadow: 0 0 10px var(--neon-yellow), 0 0 20px var(--neon-yellow), 0 0 30px var(--neon-yellow), inset 0 0 20px rgba(255, 255, 0, 0.1);
  }
}

@keyframes theme-colors-main-nav {
  0%, 100% {
    border-color: var(--neon-magenta);
    box-shadow: 0 0 10px var(--neon-magenta), 0 0 20px var(--neon-magenta), 0 0 30px var(--neon-magenta), inset 0 0 20px rgba(255, 0, 255, 0.1);
  }
  33% {
    border-color: var(--neon-red);
    box-shadow: 0 0 10px var(--neon-red), 0 0 20px var(--neon-red), 0 0 30px var(--neon-red), inset 0 0 20px rgba(255, 0, 0, 0.1);
  }
  66% {
    border-color: var(--neon-orange);
    box-shadow: 0 0 10px var(--neon-orange), 0 0 20px var(--neon-orange), 0 0 30px var(--neon-orange), inset 0 0 20px rgba(255, 102, 0, 0.1);
  }
}

@keyframes theme-colors-buttons {
  0%, 100% {
    border-color: var(--login-color);
    box-shadow: 0 0 10px var(--login-color), 0 0 20px var(--login-color), inset 0 0 10px rgba(234, 124, 7, 0.3);
  }
  33% {
    border-color: #FF8C00; /* Darker orange */
    box-shadow: 0 0 10px #FF8C00, 0 0 20px #FF8C00, inset 0 0 10px rgba(255, 140, 0, 0.3);
  }
  66% {
    border-color: var(--neon-yellow);
    box-shadow: 0 0 10px var(--neon-yellow), 0 0 20px var(--neon-yellow), inset 0 0 10px rgba(255, 255, 0, 0.3);
  }
}

/* -------------------- Footer Section Styles -------------------- */
.site-footer {
  background-color: var(--dark-bg-1);
  color: #ccc;
  padding: 40px 20px 20px;
  font-size: 14px;
}

.footer-top-section {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 40px;
}

.footer-col h4 {
  color: var(--secondary-color);
  font-size: 16px;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.footer-logo {
  color: var(--secondary-color);
  text-decoration: none;
  font-size: 20px;
  font-weight: bold;
  display: block;
  margin-bottom: 15px;
}

.footer-description {
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.6;
  color: #aaa;
}

.footer-nav a {
  display: block;
  color: #aaa;
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

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

.payment-methods .payment-icons,
.game-providers-section .game-providers-icons,
.social-media-section .social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.payment-methods .payment-icons img,
.game-providers-section .game-providers-icons img,
.social-media-section .social-media-icons img {
  max-height: 50px;
  height: auto;
  width: auto;
  object-fit: contain;
}

.game-providers-section,
.social-media-section {
  max-width: 1200px;
  margin: 0 auto 30px;
  padding: 20px 0;
  border-top: 1px solid #333;
}

.game-providers-section h4,
.social-media-section h4 {
  margin-bottom: 15px;
}

.footer-bottom-section {
  border-top: 1px solid #333;
  padding-top: 20px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-legal {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 15px;
}

.footer-legal a {
  margin-bottom: 0;
}

.copyright {
  color: #888;
}

/* -------------------- Responsive Design -------------------- */
@media (max-width: 768px) {
  .marquee-section {
    height: 22px; /* Marquee height for mobile */
    padding: 0px 0px;
  }
  .marquee-container {
    gap: 10px;
    padding: 0 5px;
  }
  .marquee-icon {
    width: 20px;
    height: 20px;
  }
  .marquee-icon-emoji {
    font-size: 14px;
  }
  .marquee-wrapper {
    height: 20px;
  }
  .marquee-text {
    font-size: 12px;
  }
  .marquee-separator {
    font-size: 12px;
    margin: 0 8px;
  }
  .marquee-content {
    gap: 15px;
    animation: marquee-scroll 20s linear infinite;
  }

  .site-header {
    top: 22px; /* Marquee height for mobile */
  }

  .header-container {
    padding: 10px 15px;
    flex-wrap: nowrap;
    justify-content: flex-start;
    min-height: 50px;
  }

  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 20px;
    order: 2; /* Center logo */
  }

  .logo img {
    max-height: 30px;
  }

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

  .mobile-nav-buttons {
    display: flex !important; /* Show on mobile */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 10px 15px;
    overflow: hidden;
    gap: 10px;
    justify-content: center;
    flex-wrap: nowrap;
    background: linear-gradient(135deg, var(--dark-bg-2), var(--dark-bg-3));
    border-bottom: 2px solid;
    animation: theme-colors-buttons 4s ease-in-out infinite;
    box-shadow:
      0 0 5px var(--neon-yellow),
      0 0 10px var(--neon-yellow),
      inset 0 0 5px rgba(255, 255, 0, 0.1);
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* Adjusted for 10px gap */
    padding: 8px 12px;
    font-size: 13px;
    text-align: center;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .main-nav {
    display: none; /* Hidden by default, shown by JS */
    flex-direction: column; /* Mobile vertical layout */
    position: fixed;
    top: var(--header-offset); /* Below header-top and mobile-buttons */
    left: 0;
    width: 80%;
    height: calc(100% - var(--header-offset));
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    z-index: 1000;
    border-right: 2px solid;
    animation: theme-colors-main-nav 4s ease-in-out infinite;
    box-shadow:
      5px 0 15px rgba(0, 0, 0, 0.5),
      0 0 10px var(--neon-magenta),
      0 0 20px var(--neon-magenta);
  }

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

  .nav-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 15px;
    max-width: none;
    width: 100%;
  }
  
  .nav-links-wrapper {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 15px;
  }

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

  .hamburger-menu {
    display: block;
    order: 1; /* Left side */
    animation: theme-colors-hamburger 4s ease-in-out infinite;
    text-shadow:
      0 0 5px var(--neon-blue),
      0 0 10px var(--neon-blue);
  }

  .hamburger-menu.active .hamburger-icon,
  .hamburger-menu.active .hamburger-icon::before,
  .hamburger-menu.active .hamburger-icon::after {
    animation: none; /* Stop glow when active */
  }

  .footer-top-section {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .footer-legal a {
    text-align: center;
  }

  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}

@keyframes theme-colors-hamburger {
  0%, 100% { background-color: var(--neon-blue); box-shadow: 0 0 5px var(--neon-blue); }
  33% { background-color: var(--neon-yellow); box-shadow: 0 0 5px var(--neon-yellow); }
  66% { background-color: var(--neon-magenta); box-shadow: 0 0 5px var(--neon-magenta); }
}

body.no-scroll {
  overflow: hidden;
}
/* 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;
  }
}