:root { --header-offset: 122px; --primary-color: #C61F1F; --secondary-color: #E53030; --btn-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%); --card-bg: #2A1212; --bg-color: #140C0C; --text-main: #FFF1E8; --border-color: #6A1E1E; --gold-color: #F3C54D; --deep-red: #7E0D0D; }

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

.site-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 1000; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5); }

.header-top { box-sizing: border-box; min-height: 68px; height: 68px; display: flex; align-items: center; overflow: hidden; background-color: var(--bg-color); 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(--gold-color); text-decoration: none; font-size: 28px; font-weight: bold; display: block; 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; }

.hamburger-menu { display: none; background: none; border: none; cursor: pointer; padding: 10px; z-index: 1001; }
.hamburger-icon { display: block; width: 25px; height: 3px; background-color: var(--gold-color); position: relative; transition: background-color 0.3s; }
.hamburger-icon::before, .hamburger-icon::after { content: ''; display: block; width: 100%; height: 3px; background-color: var(--gold-color); position: absolute; transition: transform 0.3s, top 0.3s; }
.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); }

.desktop-nav-buttons { display: flex; gap: 12px; align-items: center; }
.mobile-nav-buttons { box-sizing: border-box; display: none; min-height: 48px; background-color: var(--card-bg); width: 100%; padding: 0 20px; }

.btn { display: inline-flex; justify-content: center; align-items: center; padding: 10px 20px; border-radius: 5px; text-decoration: none; font-weight: bold; cursor: pointer; white-space: nowrap; transition: transform 0.2s, box-shadow 0.2s; border: none; }
.btn-primary { background: var(--btn-gradient); color: var(--text-main); box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4); }
.btn-secondary { background-color: var(--deep-red); color: var(--text-main); border: 1px solid var(--border-color); }
.btn-secondary:hover { background-color: var(--primary-color); }

.main-nav { box-sizing: border-box; min-height: 52px; height: 52px; display: flex; align-items: center; overflow: hidden; background-color: var(--card-bg); width: 100%; }
.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); text-decoration: none; padding: 10px 15px; font-weight: bold; transition: color 0.3s, background-color 0.3s; white-space: nowrap; }
.nav-link:hover { color: var(--gold-color); background-color: rgba(255, 255, 255, 0.1); border-radius: 3px; }

.overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); z-index: 999; }
.overlay.active { display: block; }

/* Footer styles */
.site-footer { background-color: var(--bg-color); padding: 40px 20px 20px; color: var(--text-main); border-top: 1px solid var(--border-color); }
.footer-top-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; max-width: 1200px; margin: 0 auto 30px; }
.footer-col { margin-bottom: 20px; }
.footer-about .footer-logo { font-size: 24px; color: var(--gold-color); text-decoration: none; font-weight: bold; display: block; margin-bottom: 15px; }
.footer-description { font-size: 14px; line-height: 1.6; word-wrap: break-word; overflow-wrap: break-word; }
.footer-heading { font-size: 18px; color: var(--gold-color); margin-bottom: 15px; border-bottom: 1px solid var(--border-color); padding-bottom: 5px; }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 8px; }
.footer-nav a { color: var(--text-main); text-decoration: none; font-size: 14px; transition: color 0.3s; }
.footer-nav a:hover { color: var(--gold-color); }
.footer-slot-anchor-inner { min-height: 1px; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--border-color); font-size: 13px; color: var(--text-main); max-width: 1200px; margin: 0 auto; }
.footer-bottom a { text-decoration: none; color: var(--text-main); }

@media (max-width: 768px) {
    :root { --header-offset: 110px; }
    body { padding-top: var(--header-offset); overflow-x: hidden; }

    .header-top { min-height: 60px !important; height: 60px !important; }
    .header-container { width: 100%; max-width: none; padding: 0 15px; position: relative; }
    .logo { flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; max-width: calc(100% - 80px); /* Adjust for hamburger width */ }
    .logo img { max-height: 56px !important; }

    .hamburger-menu { display: block; position: absolute; left: 15px; top: 50%; transform: translateY(-50%); }
    .desktop-nav-buttons { display: none !important; }
    .mobile-nav-buttons {
        display: flex !important;
        min-height: 48px;
        align-items: center;
        justify-content: center;
        width: 100%; max-width: 100%;
        box-sizing: border-box;
        padding: 0 15px;
        overflow: hidden;
        gap: 10px;
        flex-wrap: nowrap;
    }
    .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 !important; /* height auto for content */
        display: none; /* Hidden by default */
        flex-direction: column;
        position: fixed; top: var(--header-offset); left: 0; width: 80%; max-width: 300px; height: calc(100% - var(--header-offset));
        background-color: var(--card-bg); /* Use a distinct background */
        transform: translateX(-100%); /* Start off-screen */
        transition: transform 0.3s ease; /* Smooth transition */
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
        overflow-y: auto; /* Enable scrolling for long menus */
        z-index: 1000;
    }
    .main-nav.active { display: flex; transform: translateX(0); /* Slide in */ }
    .nav-container { flex-direction: column; align-items: flex-start; padding: 20px 15px; width: 100%; max-width: none; }
    .nav-link { width: 100%; padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
    .nav-link:last-child { border-bottom: none; }

    .footer-top-grid { grid-template-columns: 1fr; gap: 20px; }
    .footer-col { margin-bottom: 0; }

    .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;
  }
}