:root { --primary: #F2C14E; --secondary: #FFD36B; --bg: #0A0A0A; --card-bg: #111111; --text-main: #FFF6D6; --border-color: #3A2A12; --glow: #FFD36B; --btn-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); --header-offset: 122px; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; padding: 0; padding-top: var(--header-offset); background-color: var(--bg); color: var(--text-main); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; overflow-x: hidden; }
.site-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 1000; background-color: var(--card-bg); box-shadow: 0 4px 20px rgba(242, 193, 78, 0.18), 0 2px 8px rgba(0, 0, 0, 0.6); border-bottom: 1px solid var(--border-color); }
.header-top { box-sizing: border-box; height: 68px; min-height: 68px; display: flex; align-items: center; overflow: hidden; width: 100%; background: linear-gradient(135deg, #1A1206 0%, #111111 100%); border-bottom: 1px solid var(--border-color); }
.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: 28px; padding-right: 28px; gap: 16px; }
.hamburger-menu { display: none; background: transparent; border: 1px solid var(--border-color); border-radius: 8px; width: 44px; height: 44px; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; padding: 0; transition: border-color 0.2s ease; }
.hamburger-menu:hover { border-color: var(--primary); }
.hamburger-line { display: block; width: 22px; height: 2px; background-color: var(--primary); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.hamburger-menu.active .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger-menu.active .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger-menu.active .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.logo { display: inline-flex; align-items: center; font-size: 28px; font-weight: 800; letter-spacing: 0.5px; text-decoration: none; color: var(--primary); text-shadow: 0 0 18px rgba(255, 211, 107, 0.45); white-space: nowrap; line-height: 1; }
.logo:hover { color: var(--secondary); }
.logo img { display: block; max-height: 60px; height: auto; width: auto; max-width: 280px; object-fit: contain; }
.desktop-nav-buttons { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }
.mobile-nav-buttons { box-sizing: border-box; display: none; min-height: 48px; width: 100%; max-width: 100%; align-items: center; justify-content: center; gap: 10px; flex-wrap: nowrap; padding: 6px 15px; background: linear-gradient(135deg, #1A1206 0%, #111111 100%); border-bottom: 1px solid var(--border-color); overflow: hidden; }
.btn { display: inline-flex; align-items: center; justify-content: center; text-align: center; text-decoration: none; font-weight: 700; font-size: 14px; line-height: 1.2; padding: 10px 20px; border-radius: 8px; border: 1px solid transparent; cursor: pointer; transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease; white-space: nowrap; }
.btn-login { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-login:hover { background: rgba(242, 193, 78, 0.12); box-shadow: 0 0 14px rgba(242, 193, 78, 0.4); transform: translateY(-1px); }
.btn-register { background: var(--btn-gradient); color: #1A1206; border: 1px solid #FFD86A; box-shadow: 0 4px 14px rgba(221, 161, 29, 0.45); }
.btn-register:hover { filter: brightness(1.08); box-shadow: 0 6px 20px rgba(255, 211, 107, 0.55); transform: translateY(-1px); }
.main-nav { box-sizing: border-box; height: 52px; min-height: 52px; display: flex; align-items: center; overflow: hidden; width: 100%; background-color: var(--card-bg); border-top: 1px solid rgba(58, 42, 18, 0.6); }
.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 28px; }
.nav-list { display: flex; flex-direction: row; align-items: center; justify-content: center; list-style: none; margin: 0; padding: 0; gap: 4px; height: 100%; flex-wrap: nowrap; }
.nav-list li { height: 100%; display: flex; align-items: center; }
.nav-link { display: inline-flex; align-items: center; height: 100%; padding: 0 12px; font-size: 14px; font-weight: 600; color: var(--text-main); text-decoration: none; position: relative; transition: color 0.25s ease; white-space: nowrap; }
.nav-link::after { content: ''; position: absolute; left: 12px; right: 12px; bottom: 10px; height: 2px; background: var(--primary); border-radius: 2px; transform: scaleX(0); transform-origin: left; transition: transform 0.25s ease; }
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--primary); }
.nav-overlay { display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, 0.65); z-index: 999; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; }
.nav-overlay.active { opacity: 1; visibility: visible; }
.site-footer { background: linear-gradient(180deg, #111111 0%, #0A0A0A 100%); color: var(--text-main); border-top: 1px solid var(--border-color); width: 100%; overflow-x: hidden; }
.footer-main { padding: 48px 0 24px; }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 28px; width: 100%; box-sizing: border-box; }
.footer-top-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; align-items: start; }
.footer-col { min-width: 0; }
.footer-about .footer-logo { display: inline-block; font-size: 26px; font-weight: 800; color: var(--primary); text-decoration: none; margin-bottom: 14px; text-shadow: 0 0 16px rgba(255, 211, 107, 0.35); }
.footer-about .footer-logo:hover { color: var(--secondary); }
.footer-description { font-size: 14px; line-height: 1.7; color: rgba(255, 246, 214, 0.75); margin: 0; overflow-wrap: break-word; word-wrap: break-word; }
.footer-heading { font-size: 16px; font-weight: 700; color: var(--primary); margin: 0 0 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border-color); letter-spacing: 0.3px; }
.footer-nav { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-nav li { margin: 0; }
.footer-nav a { color: rgba(255, 246, 214, 0.8); text-decoration: none; font-size: 14px; transition: color 0.2s ease, padding-left 0.2s ease; display: inline-block; }
.footer-nav a:hover { color: var(--primary); padding-left: 4px; }
.footer-slot-anchor-inner { min-height: 1px; }
.footer-dynamic-col { min-height: 1px; }
.footer-mid-area { margin-top: 32px; }
.footer-mid-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 12px; }
.footer-bottom { border-top: 1px solid var(--border-color); padding: 20px 0; background-color: #0A0A0A; }
.footer-copyright { margin: 0; text-align: center; font-size: 13px; color: rgba(255, 246, 214, 0.65); }
@media (max-width: 768px) {
  :root { --header-offset: 110px; }
  .site-header { width: 100%; max-width: 100%; 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; position: relative; height: 100%; justify-content: center; }
  .hamburger-menu { display: flex; position: absolute; left: 15px; top: 50%; transform: translateY(-50%); z-index: 1002; }
  .logo { position: absolute !important; left: 50% !important; transform: translateX(-50%) !important; display: flex !important; align-items: center !important; justify-content: center !important; max-width: calc(100% - 130px); font-size: 22px; }
  .logo img { display: block !important; max-width: 100%; height: auto; max-height: 56px; }
  .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; }
  .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; width: 85%; max-width: 320px; height: 100vh !important; min-height: 100vh !important; flex-direction: column; align-items: stretch; background-color: #111111; z-index: 1001; transform: translateX(-100%); transition: transform 0.3s ease; overflow-y: auto; border-right: 1px solid var(--border-color); box-shadow: 4px 0 24px rgba(0, 0, 0, 0.6); padding-top: 16px; }
  .main-nav.active { display: block; transform: translateX(0); }
  .main-nav .nav-container { width: 100%; max-width: none; height: auto; padding: 0; display: block; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; height: auto; width: 100%; }
  .nav-list li { width: 100%; height: auto; display: block; border-bottom: 1px solid rgba(58, 42, 18, 0.5); }
  .nav-link { display: block; padding: 14px 20px; height: auto; font-size: 15px; width: 100%; box-sizing: border-box; }
  .nav-link::after { display: none; }
  .nav-link.active { background: rgba(242, 193, 78, 0.1); border-left: 3px solid var(--primary); }
  .nav-overlay { display: block; }
  .footer-main { padding: 32px 0 16px; }
  .footer-container { padding: 0 15px; }
  .footer-top-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-mid-grid { grid-template-columns: 1fr; gap: 12px; }
  .footer-heading { margin-bottom: 12px; }
  .page-content img { max-width: 100% !important; height: auto !important; display: block; }
  .page-content { overflow-x: hidden; max-width: 100%; }
  body { overflow-x: hidden; }
}
body.no-scroll { overflow: 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;
}