:root { --header-offset: 122px; --primary-color: #FF8C1A; --secondary-color: #FFA53A; --button-gradient: linear-gradient(180deg, #FFA53A 0%, #D96800 100%); --card-bg: #17191F; --site-bg: #0D0E12; --text-main: #FFF3E6; --border-color: #A84F0C; --glow-color: #FFB04D; --deep-orange: #D96800; }

body { font-family: 'Arial', sans-serif; margin: 0; padding-top: var(--header-offset); background-color: var(--site-bg); color: var(--text-main); line-height: 1.6; overflow-x: hidden; }
body.no-scroll { overflow: hidden; }

a { text-decoration: none; color: var(--text-main); }
a:hover { color: var(--primary-color); }

.site-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 1000; background-color: var(--site-bg); 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(--card-bg); width: 100%; padding: 0 20px; }
.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; }

.logo { font-size: 28px; font-weight: bold; color: var(--text-main); text-transform: uppercase; display: flex; align-items: center; }
.logo:hover { color: var(--primary-color); }
.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; min-height: 48px; width: 100%; background-color: var(--card-bg); /* Match header-top for consistency */ }

.btn { background: var(--button-gradient); color: var(--text-main); padding: 10px 20px; border-radius: 8px; font-weight: bold; text-decoration: none; transition: all 0.3s ease; border: 1px solid var(--border-color); white-space: nowrap; box-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.6), 0 0 15px var(--glow-color); }

.main-nav { box-sizing: border-box; min-height: 52px; height: 52px; display: flex; align-items: center; overflow: hidden; background-color: var(--primary-color); 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); padding: 10px 15px; font-weight: bold; transition: color 0.3s ease; text-transform: uppercase; font-size: 14px; }
.nav-link:hover { color: var(--site-bg); background-color: var(--deep-orange); border-radius: 4px; }

.hamburger-menu { display: none; cursor: pointer; width: 30px; height: 24px; position: relative; flex-direction: column; justify-content: space-between; background: none; border: none; padding: 0; z-index: 1001; }
.hamburger-menu .bar { display: block; width: 100%; height: 3px; background-color: var(--text-main); border-radius: 3px; transition: all 0.3s ease-in-out; }
.hamburger-menu.active .bar:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.hamburger-menu.active .bar:nth-child(2) { opacity: 0; }
.hamburger-menu.active .bar:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

.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(--card-bg); padding: 40px 20px 20px; color: var(--text-main); font-size: 14px; }
.footer-top-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1200px; margin: 0 auto 30px; }
.footer-col h3 { color: var(--primary-color); font-size: 18px; margin-bottom: 15px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: var(--text-main); transition: color 0.3s ease; }
.footer-col ul li a:hover { color: var(--secondary-color); }
.footer-logo { font-size: 24px; font-weight: bold; color: var(--text-main); text-transform: uppercase; display: block; margin-bottom: 15px; }
.footer-logo:hover { color: var(--primary-color); }
.footer-description { line-height: 1.8; word-wrap: break-word; overflow-wrap: break-word; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--border-color); font-size: 13px; max-width: 1200px; margin: 0 auto; }
.footer-bottom p { margin: 0; }

.footer-slot-anchor-inner { min-height: 1px; }

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

  .header-top { min-height: 60px !important; height: 60px !important; padding: 0 15px; }
  .header-container { max-width: none; justify-content: space-between; }

  .logo { flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; font-size: 24px; }
  .logo img { max-height: 56px !important; max-width: 100%; height: auto; }

  .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-left: 15px; padding-right: 15px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
    background-color: var(--card-bg);
  }
  .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 vertical menu */
    display: none; /* Hidden by default */
    flex-direction: column;
    position: fixed; top: var(--header-offset); left: 0; width: 80%; max-width: 300px; height: calc(100vh - var(--header-offset));
    background-color: var(--primary-color); /* Match desktop main-nav */
    transform: translateX(-100%); /* Off-screen initially */
    transition: transform 0.3s ease-in-out;
    box-shadow: 2px 0 8px rgba(0,0,0,0.4);
    overflow-y: auto;
  }
  .main-nav.active { display: flex; transform: translateX(0); }
  .nav-container { flex-direction: column; padding: 20px 15px; height: auto; max-width: none; }
  .nav-link { width: 100%; padding: 12px 15px; border-bottom: 1px solid rgba(255,255,255,0.1); text-align: center; }
  .nav-link:last-child { border-bottom: none; }

  .hamburger-menu { display: flex; }

  .site-footer { padding-left: 15px; padding-right: 15px; }
  .footer-top-grid { grid-template-columns: 1fr; max-width: none; }
  .footer-col { margin-bottom: 20px; }
  .footer-bottom { padding-left: 0; padding-right: 0; max-width: none; }

  .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;
  }
}
/* 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;
}