html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #0a0a0a;
  color: #ffffff;
  overflow-x: hidden;
}

:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --reg-btn-color: #C30808;
  --login-btn-color: #C30808;
  --reg-log-font-color: #FFFF00;
  --neon-primary: var(--primary-color);
  --neon-secondary: #00ffff;
  --neon-accent: #ffff00;
  --header-offset: 155px; /* Desktop: Marquee (45px) + Header Top (60px) + Main Nav (50px) */
}

@media (max-width: 768px) {
  :root {
    --header-offset: 145px; /* Mobile: Marquee (45px) + Header Top (50px) + Mobile Buttons (50px) */
  }
}

/* Common Container Styles */
.header-container, .nav-container, .footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

/* Animations for Neon Effects */
@keyframes rainbow-border {
  0% {
    border-color: #ff0000;
    box-shadow: 0 0 10px #ff0000, 0 0 20px #ff0000;
  }
  16.6% {
    border-color: #ff8000;
    box-shadow: 0 0 10px #ff8000, 0 0 20px #ff8000;
  }
  33.3% {
    border-color: #ffff00;
    box-shadow: 0 0 10px #ffff00, 0 0 20px #ffff00;
  }
  50% {
    border-color: #00ff00;
    box-shadow: 0 0 10px #00ff00, 0 0 20px #00ff00;
  }
  66.6% {
    border-color: #0000ff;
    box-shadow: 0 0 10px #0000ff, 0 0 20px #0000ff;
  }
  83.3% {
    border-color: #8000ff;
    box-shadow: 0 0 10px #8000ff, 0 0 20px #8000ff;
  }
  100% {
    border-color: #ff0000;
    box-shadow: 0 0 10px #ff0000, 0 0 20px #ff0000;
  }
}

@keyframes hue-spin {
  0% {
    filter: hue-rotate(0deg);
    box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary);
  }
  100% {
    filter: hue-rotate(360deg);
    box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary);
  }
}

@keyframes alternate-colors {
  0% {
    border-color: var(--neon-primary);
    box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary);
  }
  100% {
    border-color: var(--neon-secondary);
    box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary);
  }
}

@keyframes gradient-flow {
  0% {
    background-position: 0% 50%;
    box-shadow: 0 0 10px #ff0000, 0 0 20px #ff8000;
  }
  50% {
    background-position: 100% 50%;
    box-shadow: 0 0 10px #00ffff, 0 0 20px #0000ff;
  }
  100% {
    background-position: 0% 50%;
    box-shadow: 0 0 10px #ff0000, 0 0 20px #ff8000;
  }
}

@keyframes random-glow {
  0% {
    border-color: #ff00ff;
    box-shadow: 0 0 20px #ff00ff;
  }
  20% {
    border-color: #00ffff;
    box-shadow: 0 0 20px #00ffff;
  }
  40% {
    border-color: #ffff00;
    box-shadow: 0 0 20px #ffff00;
  }
  60% {
    border-color: #00ff00;
    box-shadow: 0 0 20px #00ff00;
  }
  80% {
    border-color: #ff0000;
    box-shadow: 0 0 20px #ff0000;
  }
  100% {
    border-color: #ff00ff;
    box-shadow: 0 0 20px #ff00ff;
  }
}

@keyframes theme-colors {
  0%, 100% {
    border-color: var(--neon-primary, #667eea);
    box-shadow: 0 0 10px var(--neon-primary, #667eea), 0 0 20px var(--neon-primary, #667eea);
  }
  33% {
    border-color: var(--neon-secondary, #764ba2);
    box-shadow: 0 0 10px var(--neon-secondary, #764ba2), 0 0 20px var(--neon-secondary, #764ba2);
  }
  66% {
    border-color: var(--neon-accent, #f093fb);
    box-shadow: 0 0 10px var(--neon-accent, #f093fb), 0 0 20px var(--neon-accent, #f093fb);
  }
}

@keyframes neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    opacity: 1;
    box-shadow: 0 0 10px currentColor, 0 0 20px currentColor, 0 0 30px currentColor, inset 0 0 15px currentColor;
  }
  20%, 24%, 55% {
    opacity: 0.8;
    box-shadow: 0 0 5px currentColor, 0 0 10px currentColor, 0 0 15px currentColor, inset 0 0 10px currentColor;
  }
}

@keyframes pulse-glow {
  from {
    box-shadow: 0 0 5px currentColor, 0 0 10px currentColor;
  }
  to {
    box-shadow: 0 0 15px currentColor, 0 0 30px currentColor, 0 0 45px currentColor;
  }
}

@keyframes led-blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0.3;
  }
}

@keyframes text-glow-flow {
  0% {
    text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 15px var(--neon-primary);
    color: #ffffff;
  }
  50% {
    text-shadow: 0 0 5px var(--neon-secondary), 0 0 10px var(--neon-secondary), 0 0 15px var(--neon-secondary);
    color: #ffffff;
  }
  100% {
    text-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent), 0 0 15px var(--neon-accent);
    color: #ffffff;
  }
}

/* Marquee Section */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  color: #ffffff;
  overflow: hidden;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), 0 0 30px var(--neon-primary), inset 0 0 20px rgba(255, 0, 255, 0.1);
  z-index: 1001;
  height: 45px; /* Fixed height for calculation */
}

.marquee-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 10px 20px;
  height: 100%;
}

.marquee-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 25px; /* Adjusted size */
  height: 25px; /* Adjusted size */
  z-index: 2;
  position: relative;
}

.marquee-icon-emoji {
  font-size: 20px; /* Adjusted size */
  display: inline-block;
  animation: marquee-pulse 2s ease-in-out infinite, text-glow-flow 3s ease-in-out infinite alternate;
  text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 15px var(--neon-primary);
  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;
}

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

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

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

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

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

/* Header Section */
.site-header {
  position: fixed;
  top: var(--marquee-height, 45px); /* Adjusted top to be below marquee */
  width: 100%;
  z-index: 1000;
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  min-height: 110px; /* Total header height for desktop: header-top (60px) + main-nav (50px) */
}

.header-top {
  background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite; /* Dynamic color for top border */
  box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), 0 0 30px var(--neon-primary), inset 0 0 20px rgba(var(--neon-primary-rgb), 0.1);
  padding: 10px 0;
  height: 60px; /* Fixed height for calculation */
  box-sizing: border-box;
  display: flex;
  align-items: center;
}

.header-top .header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  color: var(--primary-color); /* Regular color, not neon */
  font-size: 28px;
  font-weight: bold;
  text-decoration: none;
  padding: 0;
  margin: 0;
  display: block; /* Ensure visibility */
  line-height: 1;
}

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

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

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

.main-nav {
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background */
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: theme-colors 4s ease-in-out infinite reverse; /* Dynamic color for main nav border */
  box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), 0 0 30px var(--neon-secondary), inset 0 0 20px rgba(var(--neon-secondary-rgb), 0.1);
  padding: 0;
  height: 50px; /* Fixed height for calculation */
  box-sizing: border-box;
  display: flex; /* Desktop default: visible */
  align-items: center;
}

.main-nav .nav-container {
  display: flex;
  flex-direction: row; /* Desktop default: horizontal */
  justify-content: center;
  align-items: center;
  height: 100%;
}

.nav-link {
  color: #ffffff;
  text-decoration: none;
  padding: 10px 15px;
  font-weight: 500;
  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(--reg-btn-color), var(--login-btn-color));
  padding: 10px 20px;
  color: var(--reg-log-font-color);
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  text-shadow: 0 0 5px var(--reg-log-font-color), 0 0 10px var(--reg-btn-color);
  transition: all 0.3s ease;
  font-size: 14px;
  font-weight: bold;
  display: inline-block;
  text-align: center;
  white-space: nowrap;
}

.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px);
  box-shadow: 0 0 15px var(--reg-btn-color), 0 0 30px var(--reg-btn-color), inset 0 0 15px rgba(195, 8, 8, 0.3);
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1002; /* Above logo and menu */
}

.hamburger-line {
  display: block;
  width: 25px;
  height: 3px;
  background-color: #ffffff;
  margin: 5px 0;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px #ffffff;
}

/* Footer Section */
.site-footer {
  background-color: #1a1a2e;
  color: #cccccc;
  padding: 40px 0 20px;
  font-size: 14px;
}

.site-footer h4 {
  color: #ffffff;
  font-size: 16px;
  margin-bottom: 20px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-cols-wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col .footer-logo {
  color: var(--primary-color);
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}

.footer-description {
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
  color: #b0b0b0;
}

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

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

.footer-nav a {
  color: #cccccc;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

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

.game-providers-section, .social-media-section {
  margin-top: 30px;
  margin-bottom: 30px;
  padding: 0 20px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #333333;
  color: #999999;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .marquee-section {
    padding: 0px 2px;
    height: 45px;
  }
  .marquee-container {
    gap: 10px;
    padding: 0px 2px;
  }
  .marquee-icon {
    width: 20px;
    height: 20px;
  }
  .marquee-icon-emoji {
    font-size: 14px;
  }
  .marquee-text {
    font-size: 14px;
  }
  .marquee-separator {
    font-size: 14px;
    margin: 0 10px;
  }
  .marquee-content {
    gap: 20px;
    animation: marquee-scroll 25s linear infinite;
  }

  .site-header {
    top: var(--marquee-height, 45px);
    min-height: 100px; /* Header Top (50px) + Mobile Buttons (50px) */
  }

  .header-top {
    height: 50px;
    padding: 0 15px;
  }

  .header-top .header-container {
    justify-content: space-between;
    padding: 0;
    width: 100%;
    max-width: none;
  }

  .hamburger-menu {
    display: block;
    order: 0; /* Left side */
  }

  .hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

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

  .hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    order: 1; /* Center */
    font-size: 24px;
    color: var(--primary-color);
  }

  .logo img {
    max-height: 35px;
  }

  .desktop-nav-buttons {
    display: none; /* Hide desktop buttons */
  }

  .mobile-nav-buttons {
    display: flex !important; /* Show mobile buttons */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 5px 15px;
    gap: 10px;
    justify-content: center;
    flex-wrap: nowrap;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    height: 50px; /* Fixed height for calculation */
    align-items: center;
    box-shadow: inset 0 0 5px rgba(255,255,255,0.05);
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px); /* 50% width minus half of gap */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    padding: 8px 12px;
    font-size: 13px;
    line-height: 1.2;
  }

  .main-nav {
    display: none; /* Hidden by default, toggled by JS */
    flex-direction: column;
    position: fixed;
    top: var(--header-offset); /* Below fixed header and mobile buttons */
    left: 0;
    width: 80%;
    max-width: 300px;
    height: calc(100% - var(--header-offset));
    background: linear-gradient(180deg, #1a1a2e, #0f3460);
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%);
    transition: transform 0.3s ease-out;
    z-index: 1000;
    overflow-y: auto;
    border-right: 2px solid;
    animation: theme-colors 4s ease-in-out infinite;
  }

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

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

  .nav-link {
    width: 100%;
    padding: 12px 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: left;
  }

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

  .mobile-menu-overlay {
    display: none;
    position: fixed;
    top: var(--header-offset);
    left: 0;
    width: 100%;
    height: calc(100% - var(--header-offset));
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    transition: opacity 0.3s ease-out;
    opacity: 0;
  }

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

  .site-footer .footer-cols-wrapper {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .site-footer .footer-col {
    text-align: center;
  }

  .site-footer .footer-col .footer-logo {
    text-align: center;
  }

  .site-footer .footer-description {
    text-align: center;
  }

  .site-footer .footer-nav {
    text-align: center;
  }

  .game-providers-section, .social-media-section {
    padding: 0 15px;
  }

  .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.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;
  }
}