:root { --primary: #F2C14E; --secondary: #FFD36B; --bg: #0A0A0A; --card-bg: #111111; --text-main: #FFF6D6; --border: #3A2A12; --glow: #FFD36B; --btn-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); --header-offset: 122px; }
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; padding-top: var(--header-offset); background-color: var(--bg); color: var(--text-main); font-family: 'Segoe UI', Roboto, Arial, sans-serif; }
a { text-decoration: none; }

/* Header */
.site-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 1000; box-shadow: 0 4px 20px rgba(0,0,0,0.8); }
.header-top { box-sizing: border-box; height: 68px; display: flex; align-items: center; overflow: hidden; background-color: #0A0A0A; border-bottom: 1px solid var(--border); 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-left: 24px; padding-right: 24px; }
.logo { display: inline-block; color: var(--primary); font-size: 28px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; text-shadow: 0 0 10px rgba(242,193,78,0.4); }
.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; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 8px 20px; font-size: 14px; font-weight: 700; border-radius: 6px; border: none; cursor: pointer; text-decoration: none; white-space: nowrap; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(255,211,107,0.4); }
.btn-login { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-register { background: var(--btn-gradient); color: #111111; border: 1px solid var(--secondary); }
.hamburger-menu { display: none; flex-direction: column; justify-content: space-between; width: 28px; height: 20px; background: transparent; border: none; cursor: pointer; padding: 0; z-index: 1001; }
.hamburger-menu span { display: block; width: 100%; height: 3px; background-color: var(--primary); border-radius: 2px; transition: all 0.3s ease; }
.hamburger-menu.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

.main-nav { box-sizing: border-box; height: 52px; display: flex; align-items: center; overflow: hidden; background-color: var(--primary); width: 100%; border-bottom: 1px solid var(--border); }
.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; gap: 4px; width: 100%; }
.nav-link { display: inline-block; padding: 6px 10px; color: #0A0A0A; font-size: 14px; font-weight: 700; border-radius: 4px; transition: background-color 0.2s ease, color 0.2s ease; }
.nav-link:hover { background-color: rgba(0,0,0,0.15); color: #0A0A0A; }
.menu-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(0,0,0,0.7); z-index: 999; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; }
.menu-overlay.active { opacity: 1; visibility: visible; }

/* Footer */
.site-footer { background-color: var(--card-bg); color: var(--text-main); border-top: 1px solid var(--border); padding: 40px 0 0; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-top-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-bottom: 30px; border-bottom: 1px solid var(--border); }
.footer-col { display: flex; flex-direction: column; }
.footer-logo { display: inline-block; color: var(--primary); font-size: 24px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
.footer-description { font-size: 14px; line-height: 1.6; color: #b8a88a; overflow-wrap: break-word; word-wrap: break-word; margin: 0 0 12px; }
.footer-title { font-size: 16px; font-weight: 700; color: var(--secondary); margin: 0 0 12px; text-transform: uppercase; }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 8px; }
.footer-nav a { color: #b8a88a; font-size: 14px; transition: color 0.2s ease; }
.footer-nav a:hover { color: var(--secondary); }
.footer-slot-anchor-inner { display: block; }
.footer-mid { padding: 20px 0; }
.footer-mid-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.footer-slot-anchor { display: block; }
.footer-bottom { text-align: center; padding: 20px 0; border-top: 1px solid var(--border); background-color: #050505; }
.footer-bottom p { margin: 0; font-size: 13px; color: #8a7a5a; }

@media (max-width: 768px) {
  :root { --header-offset: 110px; }
  .page-content img { max-width: 100% !important; height: auto !important; display: block; }
  .page-content { overflow-x: hidden; max-width: 100%; }
  body { overflow-x: hidden; }
  .header-top { height: 60px !important; min-height: 60px !important; }
  .header-container { width: 100%; max-width: none; padding-left: 15px; padding-right: 15px; }
  .logo { font-size: 22px; }
  .logo img { max-height: 56px !important; }
  .desktop-nav-buttons { display: none !important; }
  .hamburger-menu { display: flex; }
  .mobile-nav-buttons { display: flex !important; align-items: center; justify-content: 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: #0A0A0A; border-bottom: 1px solid var(--border); }
  .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 { display: none; position: fixed; top: 0; left: 0; height: 100vh !important; min-height: 100vh !important; width: 260px; max-width: 80vw; background-color: var(--card-bg); border-right: 1px solid var(--border); transform: translateX(-100%); transition: transform 0.3s ease; z-index: 1000; box-shadow: 4px 0 20px rgba(0,0,0,0.6); }
  .main-nav.active { display: block; transform: translateX(0); }
  .nav-container { display: flex; flex-direction: column; justify-content: flex-start; align-items: stretch; padding: 80px 0 20px; gap: 0; height: 100%; overflow-y: auto; }
  .nav-link { padding: 14px 24px; font-size: 15px; border-radius: 0; border-bottom: 1px solid var(--border); color: var(--text-main); }
  .nav-link:hover { background-color: rgba(242,193,78,0.1); color: var(--secondary); }
  .menu-overlay { display: block; }
  .footer-top-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-mid-grid { grid-template-columns: 1fr 1fr; }
  .footer-container { padding: 0 15px; }
}

@media (max-width: 480px) {
  .footer-top-grid { grid-template-columns: 1fr; }
  .footer-mid-grid { grid-template-columns: 1fr; }
}
/* 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;
}