:root {
    --header-offset: 122px;
    --primary-color: #C91F17;
    --secondary-color: #E53935;
    --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
    --card-bg: #D32F2F;
    --bg-color: #B71C1C;
    --text-main-color: #FFF5E1;
    --border-color: #F2B544;
    --glow-color: #FFCC66;
    --gold-color: #F4D34D;
    --deep-red-color: #7A0E0E;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: var(--text-main-color);
    background-color: var(--bg-color);
    padding-top: var(--header-offset);
    overflow-x: hidden; /* Prevents horizontal scroll on body */
}

body.no-scroll {
    overflow: hidden;
}

.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 {
    box-sizing: border-box;
    min-height: 68px;
    height: 68px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--deep-red-color); /* Custom color: Deep Red */
    width: 100%;
}

.header-container {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    color: var(--text-main-color);
    font-size: 24px;
    font-weight: bold;
    text-decoration: none;
    display: block; /* Ensure it's not hidden by default */
}

.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; /* Placeholder for mobile */
}

.btn {
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: bold;
    color: var(--text-main-color);
    background: var(--button-gradient);
    border: 1px solid var(--border-color);
    white-space: nowrap;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    transition: opacity 0.3s ease;
}

.btn:hover {
    opacity: 0.9;
}

.hamburger-menu {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
}

.hamburger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--text-main-color);
    margin-bottom: 5px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger-menu span:last-child {
    margin-bottom: 0;
}

.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);
}

.main-nav {
    box-sizing: border-box;
    min-height: 52px;
    height: 52px;
    display: flex; /* Default for desktop */
    flex-direction: row; /* Default for desktop */
    align-items: center;
    overflow: hidden;
    background-color: var(--primary-color); /* Custom color: Primary */
    width: 100%;
    position: static; /* Default for desktop */
    transition: transform 0.3s ease; /* For mobile slide effect */
}

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

.nav-link {
    color: var(--text-main-color);
    text-decoration: none;
    padding: 10px 15px;
    font-weight: bold;
    white-space: nowrap;
    transition: background-color 0.3s ease;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.overlay {
    display: none;
}

/* Footer Styles */
.site-footer {
    background-color: var(--bg-color); /* Custom color: Background */
    padding: 40px 20px 20px;
    color: var(--text-main-color);
}

.footer-main-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

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

.footer-logo {
    color: var(--text-main-color);
    font-size: 22px;
    font-weight: bold;
    text-decoration: none;
    display: block;
    margin-bottom: 15px;
}

.footer-description {
    font-size: 14px;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

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

.footer-nav li a {
    color: var(--text-main-color);
    text-decoration: none;
    font-size: 14px;
    line-height: 2;
    transition: color 0.3s ease;
}

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

.footer-slot-anchor-inner {
    min-height: 10px; /* Ensure visibility for potential content injection */
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

/* Mobile Specific Styles */
@media (max-width: 768px) {
    :root {
        --header-offset: 110px;
    }

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

    .header-container {
        width: 100%;
        max-width: none;
        padding: 0 15px;
        justify-content: space-between;
        position: relative; /* For logo centering */
    }

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

    .logo {
        flex: 1 !important;
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        order: 1; /* Center */
        font-size: 20px;
    }

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

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

    .mobile-nav-buttons {
        display: flex !important;
        min-height: 48px;
        align-items: center;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        padding: 0 15px;
        overflow: hidden;
        gap: 10px;
        flex-wrap: nowrap;
        justify-content: center;
        background-color: var(--deep-red-color); /* Match header-top */
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .mobile-nav-buttons .btn {
        flex: 1;
        min-width: 0;
        max-width: calc(50% - 5px); /* Ensures two buttons fit with 10px gap */
        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: unset; /* Allow content to dictate height */
        height: calc(100% - var(--header-offset)); /* Fill remaining viewport height */
        display: none; /* Hidden by default */
        flex-direction: column;
        position: fixed;
        top: var(--header-offset);
        left: 0;
        width: 75%; /* Slide in from left */
        max-width: 300px;
        background-color: var(--primary-color);
        transform: translateX(-100%); /* Start off-screen */
        z-index: 1000;
        padding: 20px 0;
        overflow-y: auto;
        box-shadow: 2px 0 5px rgba(0, 0, 0, 0.2);
    }

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

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

    .nav-link {
        width: 100%;
        padding: 12px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        transition: opacity 0.3s ease;
        opacity: 0;
    }

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

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

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

    .footer-col h3 {
        margin-top: 30px;
    }

    .footer-nav li a {
        display: block;
    }

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