:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --register-login-color: #C30808;
    --register-login-font-color: #FFFF00;
    --background-color: #FFFFFF;

    --neon-primary: #00FF00; /* Vibrant green */
    --neon-secondary: #FFFF00; /* Vibrant yellow */
    --neon-accent: #00FFFF; /* Vibrant cyan */

    --header-offset: 160px; /* Desktop: Marquee 50px + Header-top 60px + Main-nav 50px */
}

/* General Body Styling for fixed header offset */
body {
    padding-top: var(--header-offset);
    font-family: 'Arial', sans-serif;
    margin: 0;
    color: #f0f0f0;
    background-color: #121212;
    overflow-x: hidden; /* Prevent body overflow-x */
}

/* --- Neon Glow Animations (Dynamic Colors) --- */
@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); }
  100% { filter: hue-rotate(360deg); }
}

@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%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@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);
    box-shadow:
      0 0 10px var(--neon-primary),
      0 0 20px var(--neon-primary);
  }
  33% {
    border-color: var(--neon-secondary);
    box-shadow:
      0 0 10px var(--neon-secondary),
      0 0 20px var(--neon-secondary);
  }
  66% {
    border-color: var(--neon-accent);
    box-shadow:
      0 0 10px var(--neon-accent),
      0 0 20px var(--neon-accent);
  }
}

@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); /* Dark background */
    color: #ffffff;
    overflow: hidden;
    height: 50px; /* Fixed height for desktop */
    display: flex;
    align-items: center;
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic color 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(0, 255, 0, 0.1); /* Green glow from NEON_PRIMARY */
    z-index: 1001; /* Above header */
}

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

.marquee-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    z-index: 2;
    position: relative;
}

.marquee-icon-emoji {
    font-size: 24px;
    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;
    height: 100%;
}

.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: 16px;
    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: 16px;
    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 (Desktop First) --- */
.site-header {
    position: fixed;
    top: 50px; /* Below marquee */
    left: 0;
    width: 100%;
    z-index: 1000;
}

.header-top {
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
    border-bottom: 2px solid;
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic color 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(0, 255, 0, 0.1); /* Green glow from NEON_PRIMARY */
    height: 60px; /* Fixed height for header-top */
    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;
    height: 100%;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #FFFFFF; /* Regular color, no neon for logo */
    text-decoration: none;
    display: block; /* Ensure it's block-level for flex alignment */
    /* NO NEON EFFECTS FOR LOGO */
}
.logo img {
    display: block;
    max-width: 100%;
    height: auto;
    max-height: 40px; /* Adjust as needed */
}

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

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

.main-nav {
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark gradient */
    border-top: 2px solid;
    border-bottom: 2px solid;
    animation: alternate-colors 4s ease-in-out infinite; /* Dynamic color 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(255, 255, 0, 0.1); /* Yellow glow from NEON_SECONDARY */
    width: 100%;
    display: flex; /* Show on desktop */
    justify-content: center;
    align-items: center;
    height: 50px; /* Fixed height for main-nav */
}

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

.nav-link {
    color: #FFFFFF; /* Regular color for menu items */
    text-decoration: none;
    padding: 10px 15px;
    font-weight: 500;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

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

.hamburger-menu {
    display: none; /* Hide on desktop */
}

/* --- Buttons --- */
.btn {
    position: relative;
    background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
    padding: 10px 20px;
    color: #FFFF00; /* Custom font color for buttons */
    text-decoration: none;
    border-radius: 5px;
    border: 2px solid;
    animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
    text-shadow:
        0 0 5px #FFFF00,
        0 0 10px var(--neon-primary);
    transition: all 0.3s ease;
    font-weight: bold;
    cursor: pointer;
    white-space: nowrap; /* Prevent text wrap on desktop */
}

.btn:hover {
    animation-duration: 2s; /* Faster animation on hover */
    transform: translateY(-2px);
    box-shadow:
        0 0 15px var(--neon-primary),
        0 0 30px var(--neon-primary),
        0 0 45px var(--neon-primary);
}

/* --- Footer Section --- */
.site-footer {
    background-color: #1a1a1a;
    color: #cccccc;
    padding: 40px 0 20px;
    font-size: 14px;
}

.footer-top {
    padding-bottom: 30px;
    border-bottom: 1px solid #333333;
}

.footer-middle {
    padding: 30px 0;
    border-bottom: 1px solid #333333;
}

.footer-bottom {
    padding-top: 20px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    font-size: 22px;
    font-weight: bold;
    color: #FFFFFF;
    text-decoration: none;
    margin-bottom: 15px;
}

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

.footer-col h4 {
    font-size: 16px;
    color: #FFFFFF;
    margin-bottom: 15px;
    text-transform: uppercase;
}

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

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

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

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

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

.payment-icons img, .game-providers-icons img, .social-media-icons img {
    max-height: 50px;
    height: auto;
    width: auto;
    filter: brightness(0.8); /* Slightly dim icons */
    transition: filter 0.3s ease;
}

.payment-icons img:hover, .game-providers-icons img:hover, .social-media-icons img:hover {
    filter: brightness(1.2); /* Brighten on hover */
}

.game-providers-section, .social-media-section {
    width: 100%;
    margin-top: 20px; /* Space between game providers and social media */
}
.footer-middle .footer-container {
    display: block; /* Override grid for middle section */
}

.copyright {
    text-align: center;
    color: #888888;
    margin: 0;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    :root {
        --header-offset: 130px; /* Mobile: Marquee 30px + Header-top 50px + Mobile-nav-buttons 50px */
    }

    /* Marquee mobile adjustments */
    .marquee-section {
        height: 30px;
        padding: 0;
    }
    .marquee-container {
        gap: 10px;
        padding: 0 5px;
    }
    .marquee-icon {
        width: 20px;
        height: 20px;
    }
    .marquee-icon-emoji {
        font-size: 14px;
    }
    .marquee-text {
        font-size: 12px;
        line-height: 1.2;
    }
    .marquee-separator {
        font-size: 12px;
        margin: 0 8px;
    }
    .marquee-content {
        gap: 15px;
        animation: marquee-scroll 20s linear infinite; /* Faster scroll on mobile */
    }

    /* Header mobile adjustments */
    .site-header {
        top: 30px; /* Below mobile marquee */
    }
    .header-top {
        height: 50px; /* Adjust height for mobile */
    }
    .header-container {
        padding: 0 15px;
        justify-content: flex-start; /* Adjust for hamburger */
        position: relative; /* For absolute logo centering */
    }

    .hamburger-menu {
        display: flex; /* Show on mobile */
        flex-direction: column;
        justify-content: space-around;
        width: 30px;
        height: 25px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1002; /* Above logo */
        position: relative;
    }

    .hamburger-menu span {
        display: block;
        width: 100%;
        height: 3px;
        background-color: #FFFFFF;
        border-radius: 2px;
        transition: all 0.3s ease;
        box-shadow: 0 0 5px var(--neon-primary); /* Neon glow for hamburger */
    }

    .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 {
        flex: 1 !important; /* Take remaining space */
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        position: static; /* Reset absolute positioning if it was set */
        transform: none; /* Reset transform if it was set */
        max-width: none; /* Allow flex to manage width */
    }
    .logo img {
        max-height: 35px; /* Adjust logo size for mobile */
    }

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

    .mobile-nav-buttons {
        display: flex !important; /* Show mobile buttons on mobile */
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        padding: 10px 15px;
        overflow: hidden;
        gap: 10px;
        justify-content: center;
        flex-wrap: nowrap; /* Ensure buttons stay in one line */
        background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
        border-bottom: 2px solid;
        animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
        box-shadow:
            0 0 5px var(--neon-primary),
            0 0 10px var(--neon-primary),
            inset 0 0 10px rgba(0, 255, 0, 0.1);
        z-index: 999; /* Below header-top and main-nav */
    }
    .mobile-nav-buttons .btn {
        flex: 1;
        min-width: 0;
        max-width: calc(50% - 5px); /* Account for gap */
        box-sizing: border-box;
        white-space: normal; /* Allow text to wrap */
        word-wrap: break-word;
        overflow-wrap: break-word;
        padding: 8px 12px;
        font-size: 13px;
        text-align: center;
    }

    .main-nav {
        display: none; /* Hidden by default on mobile */
        flex-direction: column;
        position: fixed;
        top: 130px; /* Below header-top and mobile-nav-buttons */
        left: 0;
        width: 80%; /* Sidebar width */
        max-width: 300px;
        height: calc(100% - 130px); /* Full height below header elements */
        background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Same as desktop main-nav */
        border-right: 2px solid;
        animation: alternate-colors 4s ease-in-out infinite; /* Dynamic color border */
        box-shadow:
            0 0 10px var(--neon-secondary),
            0 0 20px var(--neon-secondary),
            inset 0 0 20px rgba(255, 255, 0, 0.1);
        transform: translateX(-100%); /* Start off-screen */
        transition: transform 0.3s ease-out;
        z-index: 1000; /* Above overlay */
        overflow-y: auto; /* Enable scrolling for long menus */
        padding-top: 20px;
    }

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

    .nav-container {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 15px;
        height: auto;
    }

    .nav-link {
        width: 100%;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .nav-link:last-child {
        border-bottom: none;
    }

    .mobile-menu-overlay {
        display: none; /* Hidden by default */
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.7);
        z-index: 999; /* Below main-nav */
        transition: opacity 0.3s ease-out;
        opacity: 0;
    }

    .mobile-menu-overlay.active {
        display: block; /* Show when active */
        opacity: 1;
    }

    /* Footer mobile adjustments */
    .footer-container {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 20px;
    }
    .footer-col {
        align-items: center; /* Center content in columns */
        text-align: center;
    }
    .footer-col h4 {
        margin-top: 20px;
    }
    .footer-logo {
        margin-bottom: 10px;
    }
    .footer-nav-group ul {
        text-align: center;
    }
    .game-providers-section, .social-media-section {
        margin-top: 0; /* Remove extra margin */
    }
    .payment-icons, .game-providers-icons, .social-media-icons {
        justify-content: center; /* Center icons on mobile */
    }
    .copyright {
        padding: 0 15px;
    }

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