:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --card-bg-color: #11271B;
    --background-color: #08160F;
    --text-main-color: #F2FFF6;
    --text-secondary-color: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green-color: #0A4B2C;
    --header-offset: 122px; /* Desktop: 68px (header-top) + 52px (main-nav) + 2px */
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding-top: var(--header-offset);
    background-color: var(--background-color);
    color: var(--text-main-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.no-scroll {
    overflow: hidden;
}

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

/* Header Styles */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.header-top {
    background-color: var(--card-bg-color); /* Contrasting with main-nav */
    min-height: 68px;
    height: 68px;
    display: flex;
    align-items: center;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

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

.logo {
    color: var(--gold-color);
    font-size: 2.2em;
    font-weight: bold;
    text-decoration: none;
    display: block;
    line-height: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logo img {
    display: block;
    max-height: 60px;
    height: auto;
    width: auto;
    max-width: 280px;
    object-fit: contain;
}

.desktop-nav-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

.mobile-nav-buttons {
    box-sizing: border-box;
    display: none; /* Hidden by default on desktop */
    min-height: 48px;
    background-color: var(--background-color); /* Consistent with body background */
    padding: 10px 20px;
    width: 100%;
}

.main-nav {
    background-color: var(--deep-green-color); /* Contrasting with header-top */
    min-height: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    overflow: hidden;
    width: 100%;
    box-sizing: border-box;
}

.main-nav .nav-container {
    height: 100%;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 25px;
}

.nav-link {
    color: var(--text-main-color);
    text-decoration: none;
    padding: 8px 0;
    font-weight: bold;
    font-size: 0.95em;
    white-space: nowrap;
    transition: color 0.3s ease, border-bottom 0.3s ease;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: var(--gold-color);
    border-bottom-color: var(--gold-color);
}

.btn {
    background: var(--button-gradient);
    color: var(--text-main-color);
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9em;
    display: inline-block;
    white-space: nowrap;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.btn-secondary {
    background: var(--card-bg-color);
    border: 1px solid var(--border-color);
    box-shadow: none;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border-color: var(--gold-color);
}

/* Hamburger Menu */
.hamburger-menu {
    display: none; /* Hidden by default on desktop */
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    z-index: 1002; /* Above header */
}

.hamburger-icon {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-main-color);
    position: absolute;
    left: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger-icon::before, .hamburger-icon::after {
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-main-color);
    position: absolute;
    left: 0;
    transition: transform 0.3s ease, top 0.3s ease;
}

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

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

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

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

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

/* Overlay for 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;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.overlay.visible {
    display: block;
    opacity: 1;
}

/* Footer Styles */
.site-footer {
    background-color: var(--background-color);
    color: var(--text-secondary-color);
    padding: 40px 0 20px;
    font-size: 0.9em;
}

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

.footer-top-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--divider-color);
}

.footer-col {
    padding: 10px 0;
}

.footer-logo {
    color: var(--gold-color);
    font-size: 1.8em;
    font-weight: bold;
    text-decoration: none;
    display: block;
    margin-bottom: 15px;
}

.footer-description {
    color: var(--text-secondary-color);
    line-height: 1.5;
    margin-top: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.footer-heading {
    color: var(--text-main-color);
    font-size: 1.1em;
    margin-bottom: 15px;
    text-transform: uppercase;
}

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

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

.footer-nav a {
    color: var(--text-secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    color: var(--text-secondary-color);
    font-size: 0.85em;
}

/* Footer Slot Anchor Styles - Ensure visibility */
.footer-slot-anchor-inner {
    min-height: 1px; /* Ensure it takes up space if empty */
    visibility: visible;
    opacity: 1;
}

/* Responsive Styles */
@media (max-width: 768px) {
    :root {
        --header-offset: 110px; /* Mobile: 60px (header-top) + 48px (mobile-nav-buttons) + 2px */
    }

    body {
        overflow-x: hidden;
    }

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

    .header-top {
        min-height: 60px !important;
        height: 60px !important;
    }

    .header-top .header-container {
        padding-left: 15px;
        padding-right: 15px;
        justify-content: flex-start; /* Adjust for hamburger menu */
    }

    .hamburger-menu {
        display: block;
        margin-right: 15px;
    }

    .logo {
        flex: 1 !important;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        font-size: 1.8em;
        max-width: calc(100% - 60px); /* Account for hamburger width */
    }

    .logo img {
        max-height: 56px !important;
        max-width: 100%;
    }

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

    .mobile-nav-buttons {
        display: flex !important;
        min-height: 48px;
        align-items: center;
        justify-content: center; /* Center buttons horizontally */
        width: 100%; max-width: 100%;
        box-sizing: border-box;
        padding-left: 15px; padding-right: 15px;
        overflow: hidden;
        gap: 10px;
        flex-wrap: nowrap;
        background-color: var(--deep-green-color); /* Consistent with main nav for mobile */
    }

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

    .main-nav {
        min-height: 48px !important;
        height: auto; /* Allow content to dictate height */
        flex-direction: column;
        position: fixed;
        top: calc(var(--header-offset) - 48px); /* Position below header-top and mobile-nav-buttons */
        left: 0;
        width: 80%; /* Adjust as needed */
        max-width: 300px;
        height: calc(100vh - var(--header-offset) + 48px); /* Full height minus header parts */
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        background-color: var(--card-bg-color);
        z-index: 1001;
        display: none; /* Hidden by default */
        padding-top: 20px;
        padding-bottom: 20px;
    }

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

    .main-nav .nav-container {
        width: 100%;
        max-width: none;
        padding: 0 15px;
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .nav-link {
        width: 100%;
        padding: 10px 0;
        font-size: 1.1em;
        border-bottom: none;
    }

    .nav-link:hover,
    .nav-link.active {
        border-bottom-color: transparent;
        color: var(--gold-color);
    }

    .footer-top-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-heading {
        margin-top: 20px;
    }

    .footer-nav {
        padding-bottom: 20px;
    }
}
/* 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;
  }
}
/* 内容保护（系统追加，请勿删除） */
body {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
input, textarea, select, [contenteditable="true"] {
  -webkit-user-select: text;
  -moz-user-select: text;
  user-select: text;
}