:root {
  --header-offset: 120px; /* 桌面端：页头+按钮区总高度不超过此值 */
  --marquee-height-desktop: 40px;
  --primary-color: #FFD700; /* Gold */
  --secondary-color: #8B0000; /* Dark Red */

  --neon-primary: var(--primary-color);
  --neon-secondary: var(--secondary-color);
  --neon-accent: #00FFFF; /* Cyan for contrast */
  --neon-bg-dark: #0a0a0a;
  --neon-bg-medium: #1a1a2e;
  --neon-bg-light: #16213e;
}
@media (max-width: 768px) {
  :root {
    --header-offset: 200px; /* 移动端：含跑马灯/页头/按钮区总高度不超过此值 */
    --marquee-height-mobile: 30px;
  }
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #ffffff;
  background-color: #000000;
  padding-top: var(--header-offset); /* 由脚本动态测量写入，此处只是占位 */
  overflow-x: hidden; /* 防止移动端内容溢出 */
}

/* 动态霓虹发光颜色 - 多款流动变色效果 */
@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 theme-colors {
  0%, 100% {
    border-color: var(--neon-primary);
    box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), inset 0 0 10px rgba(255, 215, 0, 0.3);
  }
  33% {
    border-color: var(--neon-secondary);
    box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), inset 0 0 10px rgba(139, 0, 0, 0.3);
  }
  66% {
    border-color: var(--neon-accent);
    box-shadow: 0 0 10px var(--neon-accent), 0 0 20px var(--neon-accent), inset 0 0 10px rgba(0, 255, 255, 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;
  }
}
@keyframes marquee-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.9; }
}
@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 跑马灯区域样式 */
.marquee-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, var(--neon-bg-dark), var(--neon-bg-medium), var(--neon-bg-light));
  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, 215, 0, 0.1);
  z-index: 1001;
  min-height: var(--marquee-height-desktop);
  display: flex;
  align-items: center;
}
.marquee-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 5px 20px;
}
.marquee-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  z-index: 2;
  position: relative;
}
.marquee-icon-emoji {
  font-size: 20px;
  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));
}
.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;
  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;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 15px;
  text-shadow: 0 0 3px var(--neon-primary), 0 0 6px var(--neon-primary);
}

/* Header样式 */
.site-header {
  position: fixed;
  top: var(--marquee-height-desktop);
  left: 0;
  width: 100%;
  z-index: 1000;
}
.header-top {
  background: linear-gradient(135deg, var(--neon-bg-dark), var(--neon-bg-medium), var(--neon-bg-light));
  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), inset 0 0 20px rgba(255, 215, 0, 0.1);
  min-height: 60px;
  display: flex;
  align-items: center;
}
.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  width: 100%;
  box-sizing: border-box;
}
.logo {
  color: var(--primary-color);
  font-size: 28px;
  font-weight: bold;
  text-decoration: none;
  padding: 0;
  margin: 0;
  display: block;
  line-height: 1;
  /* LOGO 不使用霓虹灯效果 */
  text-shadow: none;
  box-shadow: none;
  filter: none;
}
.logo img {
  display: block;
  max-height: 40px;
  height: auto;
  width: auto;
}
.desktop-nav-buttons {
  display: flex;
  gap: 10px;
}
.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  padding: 10px 20px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  text-shadow: 0 0 5px #ffffff, 0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  white-space: nowrap;
  font-size: 14px;
  font-weight: bold;
}
.btn:hover {
  animation-duration: 2s;
  transform: translateY(-2px);
}
.main-nav {
  background: linear-gradient(135deg, var(--neon-bg-medium), var(--neon-bg-light), #0f3460);
  border-top: 2px solid;
  border-bottom: 2px solid;
  animation: rainbow-border 3s linear infinite;
  box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-secondary), inset 0 0 20px rgba(139, 0, 0, 0.1);
  width: 100%;
  display: flex;
  align-items: center;
  min-height: 50px;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 5px 20px;
  width: 100%;
  box-sizing: border-box;
}
.nav-link {
  color: #ffffff;
  text-decoration: none;
  padding: 8px 15px;
  font-size: 16px;
  font-weight: 500;
  transition: color 0.3s ease, background-color 0.3s ease;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary-color);
  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;
  position: relative;
  z-index: 1002;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}
.hamburger-icon {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--neon-primary);
  position: relative;
  transition: background-color 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}
.hamburger-icon::before, .hamburger-icon::after {
  content: '';
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--neon-primary);
  position: absolute;
  transition: transform 0.3s ease, background-color 0.3s ease, top 0.3s ease;
  box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}
.hamburger-icon::before { top: -8px; }
.hamburger-icon::after { top: 8px; }
.hamburger-menu.active .hamburger-icon {
  background-color: transparent;
  box-shadow: none;
}
.hamburger-menu.active .hamburger-icon::before {
  transform: translateY(8px) rotate(45deg);
  background-color: var(--neon-accent);
  box-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent);
}
.hamburger-menu.active .hamburger-icon::after {
  transform: translateY(-8px) rotate(-45deg);
  background-color: var(--neon-accent);
  box-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent);
}
.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;
}

/* Footer styles */
.site-footer {
  background-color: #1a1a1a;
  color: #cccccc;
  padding: 40px 0 20px;
  font-size: 14px;
  line-height: 1.6;
}
.footer-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.footer-grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  padding-bottom: 40px;
  border-bottom: 1px solid #333333;
}
.footer-col h4 {
  color: #ffffff;
  font-size: 16px;
  margin-bottom: 15px;
  font-weight: bold;
}
.footer-logo {
  color: var(--primary-color);
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  margin-bottom: 15px;
  display: inline-block;
}
.footer-description {
  color: #cccccc;
  word-wrap: break-word;
  overflow-wrap: break-word;
  line-height: 1.6;
}
.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav-list li a {
  color: #cccccc;
  text-decoration: none;
  display: block;
  padding: 5px 0;
  transition: color 0.3s ease;
}
.footer-nav-list li 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: 40px;
  height: auto;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%) brightness(150%); /* Make icons fit dark theme */
}
.full-width-section {
  padding: 30px 0;
  border-bottom: 1px solid #333333;
  margin-top: 0;
}
.full-width-section:last-of-type {
  border-bottom: none;
}
.full-width-section h4 {
  color: #ffffff;
  font-size: 16px;
  margin-bottom: 15px;
  font-weight: bold;
}
.footer-bottom {
  background-color: #111111;
  padding: 15px 0;
}
.footer-bottom-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-action-links {
  display: flex;
  gap: 15px;
}
.footer-action-links a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}
.footer-action-links a:hover {
  color: #ffffff;
}
.copyright {
  color: #888888;
  margin: 0;
  text-align: right;
}

/* 移动端响应式设计 */
@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;
  }

  .marquee-section {
    min-height: var(--marquee-height-mobile);
  }
  .marquee-container {
    gap: 10px;
    padding: 2px 5px;
  }
  .marquee-icon {
    width: 20px;
    height: 20px;
  }
  .marquee-icon-emoji {
    font-size: 14px;
  }
  .marquee-text {
    font-size: 13px;
  }
  .marquee-separator {
    font-size: 13px;
    margin: 0 8px;
  }
  .marquee-content {
    gap: 20px;
    animation: marquee-scroll 25s linear infinite;
  }

  .site-header {
    top: var(--marquee-height-mobile);
  }
  .header-top {
    min-height: 50px;
    padding: 0 15px;
  }
  .header-container {
    max-width: none;
    padding: 0;
    justify-content: flex-start;
    gap: 10px;
  }
  .hamburger-menu {
    display: flex;
    order: 0;
  }
  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    font-size: 24px;
    padding-right: 40px; /* Space for hamburger */
  }
  .logo img {
    max-height: 35px !important;
  }
  .desktop-nav-buttons {
    display: none;
  }
  .mobile-nav-buttons {
    display: flex !important;
    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(--neon-bg-dark), var(--neon-bg-medium));
    border-bottom: 1px solid;
    animation: theme-colors 4s ease-in-out infinite;
    box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
  }
  .mobile-nav-buttons .btn {
    flex: 1;
    min-width: 0;
    max-width: calc(50% - 5px);
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    padding: 8px 12px;
    font-size: 13px;
    text-align: center;
  }
  .main-nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: calc(var(--marquee-height-mobile) + 50px + 50px); /* marquee + header-top + mobile-nav-buttons */
    left: 0;
    width: 70%;
    height: calc(100% - var(--marquee-height-mobile) - 50px - 50px);
    background: linear-gradient(180deg, var(--neon-bg-dark), var(--neon-bg-medium));
    box-shadow: 2px 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;
    padding-bottom: 20px;
  }
  .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 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 15px;
  }
  .nav-link:last-child {
    border-bottom: none;
  }
  .mobile-menu-overlay.active {
    display: block;
  }

  .footer-grid-container {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-bottom-container {
    flex-direction: column;
    text-align: center;
  }
  .footer-action-links {
    margin-bottom: 10px;
  }
  .copyright {
    text-align: center;
  }
  .payment-icons img, .game-providers-icons img, .social-media-icons img {
    max-height: 35px;
  }
}
/* 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;
  }
}