/* Global Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--background-color);
    padding-top: var(--header-offset); /* IMPORTANT: Added for fixed header */
    overflow-x: hidden; /* Prevent horizontal scroll on desktop */
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Color Variables (based on provided scheme) */
:root {
    --primary-color: #11A84E; /* Green Gold */
    --secondary-color: #22C768; /* Green Gold */
    --button-gradient-start: #2AD16F;
    --button-gradient-end: #13994A;
    --card-bg: #11271B;
    --background-color: #08160F;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green: #0A4B2C;

    /* Neon Colors - intelligent choice based on site colors */
    --neon-primary: var(--glow-color); /* Using glow for primary neon */
    --neon-secondary: var(--secondary-color);
    --neon-accent: var(--gold-color); /* Using gold for accent neon */

    /* Header offset (marquee + header-top + main-nav) */
    --header-offset: 166px; /* 44px (marquee) + 68px (header-top) + 52px (main-nav) + 2px buffer */
}

/* Dynamic Neon Glow Animations */
@keyframes rainbow-border {
    0%, 100% { border-color: var(--neon-primary); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
    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; }
}

@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%, 100% { border-color: var(--neon-primary); box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary); }
    50% { 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 var(--neon-primary), 0 0 20px var(--neon-secondary); }
    50% { background-position: 100% 50%; box-shadow: 0 0 10px var(--neon-secondary), 0 0 20px var(--neon-accent); }
    100% { background-position: 0% 50%; box-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-secondary); }
}

@keyframes random-glow {
    0% { border-color: var(--neon-primary); box-shadow: 0 0 20px var(--neon-primary); }
    20% { border-color: var(--neon-secondary); box-shadow: 0 0 20px var(--neon-secondary); }
    40% { border-color: var(--neon-accent); box-shadow: 0 0 20px var(--neon-accent); }
    60% { border-color: #00ff00; box-shadow: 0 0 20px #00ff00; }
    80% { border-color: #ff0000; box-shadow: 0 0 20px #ff0000; }
    100% { border-color: var(--neon-primary); box-shadow: 0 0 20px var(--neon-primary); }
}

@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 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 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; }
}

/* Marquee Section Styles */
.marquee-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 44px; /* Desktop fixed height */
    box-sizing: border-box;
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
    color: #ffffff;
    overflow: hidden;
    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(87, 227, 141, 0.1); /* Using glow-color for rgba */
    z-index: 1001;
}

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

.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;
}

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

.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%); }
}

/* Site Header Styles */
.site-header {
    position: fixed;
    top: 44px; /* Below marquee */
    left: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e); /* Dark background */
    color: var(--text-main);
    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(87, 227, 141, 0.1);
}

/* Header Top Section */
.header-top {
    box-sizing: border-box;
    min-height: 68px;
    height: 68px;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 0 20px; /* Default padding for desktop */
}

.header-container {
    width: 100%;
    max-width: 1200px; /* Max width for desktop */
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo Styles (NO NEON) */
.logo {
    font-size: 24px;
    font-weight: bold;
    color: #ffffff; /* White for clear contrast, no neon glow */
    text-decoration: none;
    padding: 5px 0; /* Add some vertical padding */
    display: block;
}
.logo img {
    display: block;
    max-height: 60px; /* Max height for desktop logo */
    height: auto;
    width: auto;
    max-width: 280px;
    object-fit: contain;
}

/* Desktop Nav Buttons */
.desktop-nav-buttons {
    display: flex; /* Always flex for desktop */
    gap: 10px;
    align-items: center;
}

/* Mobile Nav Buttons (Hidden by default on desktop) */
.mobile-nav-buttons {
    display: none; /* Hidden by default on desktop */
    box-sizing: border-box;
    min-height: 48px;
    padding: 8px 20px; /* Padding for mobile buttons area */
    justify-content: center;
    align-items: center;
    width: 100%;
    background: linear-gradient(135deg, #1a1a2e, #16213e); /* Darker background for distinction */
    border-top: 1px solid rgba(87, 227, 141, 0.2);
    border-bottom: 1px solid rgba(87, 227, 141, 0.2);
}

/* Main Navigation */
.main-nav {
    box-sizing: border-box;
    min-height: 52px;
    height: 52px;
    display: flex; /* Desktop: visible */
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460); /* Different dark background */
    border-top: 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(34, 199, 104, 0.1);
}

.nav-container {
    width: 100%;
    max-width: 1200px; /* Max width for desktop */
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px; /* Spacing between nav items */
    padding: 0 20px; /* Default padding for desktop */
}

.nav-link {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-main); /* Regular text color */
    padding: 8px 0;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--neon-primary); /* Highlight with neon color on hover/active */
    text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

/* Hamburger Menu (Desktop hidden) */
.hamburger-menu {
    display: none; /* Hidden on desktop */
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1002; /* Above logo */
}
.hamburger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--neon-primary);
    margin-bottom: 5px;
    position: relative;
    border-radius: 2px;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}
.hamburger-menu span:last-child {
    margin-bottom: 0;
}

/* Hamburger Menu Active State */
.hamburger-menu.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile Menu Overlay (Hidden by default) */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999; /* Below main-nav */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}
.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Buttons */
.btn {
    position: relative;
    background: linear-gradient(180deg, var(--button-gradient-start) 0%, var(--button-gradient-end) 100%); /* Specific button gradient */
    padding: 12px 20px;
    color: #ffffff;
    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 #ffffff,
        0 0 10px var(--neon-primary);
    transition: all 0.3s ease;
    font-weight: bold;
    white-space: nowrap; /* Prevent text wrap on desktop */
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover {
    animation-duration: 2s; /* Faster color change on hover */
    transform: translateY(-2px);
    box-shadow: 
        0 0 15px var(--neon-primary),
        0 0 30px var(--neon-primary),
        inset 0 0 15px rgba(87, 227, 141, 0.4);
}

/* Footer Styles */
.site-footer {
    background-color: var(--card-bg); /* Dark background */
    color: var(--text-secondary);
    padding: 40px 20px 20px;
    font-size: 14px;
    line-height: 1.8;
}

.footer-top-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto 30px;
    border-bottom: 1px solid var(--divider-color);
    padding-bottom: 30px;
}

.footer-col h3 {
    color: var(--text-main);
    font-size: 18px;
    margin-bottom: 15px;
}

.footer-logo {
    font-size: 22px;
    font-weight: bold;
    color: var(--text-main);
    margin-bottom: 15px;
    display: inline-block;
}

.footer-description {
    color: var(--text-secondary);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

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

.footer-nav a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 20px;
    color: var(--text-secondary);
    border-top: 1px solid var(--divider-color); /* Added a border-top to separate from slots */
}
.footer-bottom a { /* IMPORTANT: Ensure no links in footer-bottom */
    pointer-events: none;
    cursor: default;
    text-decoration: none;
    color: inherit;
}

/* Footer Slot Anchors - ensure they are visible and don't hide content */
.footer-slot-anchor-inner {
    min-height: 1px; /* Ensure slot is renderable even if empty */
    width: 100%;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    :root {
        --header-offset: 146px; /* 36px (marquee) + 60px (header-top) + 48px (main-nav) + 2px buffer */
    }

    /* Marquee Mobile */
    .marquee-section {
        height: 36px !important;
        padding-top: 0px !important;
        padding-bottom: 0px !important;
    }
    .marquee-container {
        gap: 10px !important;
        padding: 0 12px !important;
        height: 100% !important;
    }
    .marquee-icon {
        width: 20px !important;
        height: 20px !important;
    }
    .marquee-icon-emoji {
        font-size: 14px !important;
    }
    .marquee-text {
        font-size: 14px !important;
    }
    .marquee-separator {
        font-size: 14px !important;
        margin: 0 10px !important;
    }
    .marquee-content {
        gap: 20px;
        animation: marquee-scroll 25s linear infinite;
    }

    /* Header Mobile */
    .site-header {
        top: 36px; /* Below mobile marquee */
    }

    .header-top {
        min-height: 60px !important;
        height: 60px !important;
        padding: 0 15px; /* Adjust padding for mobile */
    }

    .header-container {
        padding: 0; /* Container padding handled by header-top */
        justify-content: flex-start; /* Align hamburger left */
        position: relative; /* For absolute logo centering */
    }

    .hamburger-menu {
        display: block; /* Show hamburger on mobile */
        margin-right: 15px;
    }

    /* Mobile Logo Centering (Method 1: Flexbox) */
    .logo {
        flex: 1 !important;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        font-size: 20px; /* Adjust font size for mobile */
        padding: 0;
    }
    .logo img {
        max-height: 56px !important; /* Max height for mobile logo */
    }

    /* Desktop buttons hidden on mobile */
    .desktop-nav-buttons {
        display: none !important;
    }

    /* Mobile buttons visible on mobile */
    .mobile-nav-buttons {
        display: flex !important; /* Visible on mobile */
        padding: 8px 15px; /* Mobile padding */
        gap: 10px;
        flex-wrap: nowrap; /* Ensure buttons stay in one line */
    }
    .mobile-nav-buttons .btn {
        flex: 1; /* Equal width */
        min-width: 0; /* Allow shrinking */
        max-width: calc(50% - 5px); /* Max width for 2 buttons with 10px gap */
        padding: 8px 12px; /* Smaller padding */
        font-size: 13px; /* Smaller font size */
        white-space: normal; /* Allow text wrap */
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    /* Main Navigation Mobile (Hidden by default, slides in) */
    .main-nav {
        display: none; /* Hidden by default */
        flex-direction: column;
        position: fixed;
        top: var(--header-offset); /* Below header and mobile buttons */
        left: 0;
        width: 80%; /* Menu width */
        max-width: 300px; /* Max width for menu */
        height: calc(100% - var(--header-offset));
        background: linear-gradient(180deg, #0a0a0a, #1a1a2e); /* Dark menu background */
        transform: translateX(-100%); /* Slide out to left */
        transition: transform 0.3s ease-in-out;
        z-index: 1000; /* Above overlay, below hamburger */
        overflow-y: auto; /* Scrollable if content overflows */
        border-right: 2px solid;
        animation: theme-colors 4s ease-in-out infinite; /* Dynamic color border */
        box-shadow: 
            0 0 15px var(--neon-primary),
            0 0 30px var(--neon-primary),
            inset 0 0 15px rgba(87, 227, 141, 0.2);
    }
    .main-nav.active {
        display: flex; /* Show menu when active */
        transform: translateX(0); /* Slide in */
    }

    .nav-container {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 15px;
        gap: 15px;
        width: 100%;
        max-width: none; /* No max-width on mobile */
    }
    .nav-link {
        width: 100%;
        padding: 10px 0;
        border-bottom: 1px solid rgba(167, 217, 184, 0.2); /* Using text-secondary for rgba */
    }
    .nav-link:last-child {
        border-bottom: none;
    }

    /* Footer Mobile */
    .footer-top-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
        padding-bottom: 20px;
    }
    .footer-col {
        margin-bottom: 20px;
    }
    .footer-col:last-child {
        margin-bottom: 0;
    }
    .footer-bottom {
        padding-top: 15px;
    }

    /* Mobile Content Protection */
    .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;
  }
}