:root { --header-offset: 122px; --color-primary: #F2C14E; --color-secondary: #FFD36B; --color-bg: #0A0A0A; --color-card-bg: #111111; --color-text: #FFF6D6; --color-border: #3A2A12; --color-glow: #FFD36B; --btn-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); }
* { box-sizing: border-box; }
body { margin: 0; padding-top: var(--header-offset); background-color: var(--color-bg); color: var(--color-text); font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; overflow-x: hidden; }
.site-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 1000; background-color: #0A0A0A; box-shadow: 0 4px 20px rgba(0,0,0,0.6); border-bottom: 1px solid var(--color-border); max-width: 100%; overflow-x: hidden; }
.header-top { box-sizing: border-box; min-height: 68px; height: 68px; display: flex; align-items: center; overflow: hidden; background-color: #111111; width: 100%; border-bottom: 1px solid var(--color-border); }
.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; font-size: 24px; font-weight: 800; color: var(--color-primary); text-decoration: none; letter-spacing: 0.5px; text-shadow: 0 0 12px rgba(242,193,78,0.35); }
.logo:hover { color: var(--color-secondary); }
.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; text-decoration: none; background: var(--btn-gradient); color: #1A1200; font-weight: 700; font-size: 14px; padding: 10px 20px; border-radius: 6px; border: 1px solid rgba(255,211,107,0.5); box-shadow: 0 3px 10px rgba(221,161,29,0.35); transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease; cursor: pointer; white-space: nowrap; }
.btn:hover { transform: translateY(-1px); filter: brightness(1.08); box-shadow: 0 5px 16px rgba(255,211,107,0.5); }
.btn-login { background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); color: #1A1200; }
.btn-register { background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); color: #1A1200; }
.hamburger-menu { display: none; position: absolute; left: 15px; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; background: transparent; border: 1px solid var(--color-border); border-radius: 6px; cursor: pointer; z-index: 1001; padding: 8px; flex-direction: column; justify-content: space-between; align-items: center; }
.hamburger-menu span { display: block; width: 100%; height: 3px; background-color: var(--color-primary); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.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); }
.mobile-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.7); z-index: 999; opacity: 0; transition: opacity 0.3s ease; }
.mobile-overlay.active { display: block; opacity: 1; }
.main-nav { box-sizing: border-box; min-height: 52px; height: 52px; display: flex; align-items: center; overflow: hidden; background-color: #F2C14E; 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; gap: 6px; }
.nav-link { display: inline-block; color: #1A1200; text-decoration: none; font-size: 14px; font-weight: 600; padding: 6px 10px; border-radius: 4px; transition: background-color 0.2s ease, color 0.2s ease; white-space: nowrap; }
.nav-link:hover { background-color: rgba(26,18,0,0.12); color: #000000; }
.nav-link.active { background-color: #1A1200; color: var(--color-secondary); }
body.no-scroll { overflow: hidden; }
.site-footer { background-color: #0A0A0A; color: var(--color-text); border-top: 2px solid var(--color-border); font-size: 14px; }
.footer-top { padding: 48px 0 24px; border-bottom: 1px solid var(--color-border); }
.footer-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-top-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-col { min-width: 0; }
.footer-logo { display: inline-block; font-size: 22px; font-weight: 800; color: var(--color-primary); text-decoration: none; margin-bottom: 14px; text-shadow: 0 0 10px rgba(242,193,78,0.3); }
.footer-logo:hover { color: var(--color-secondary); }
.footer-description { color: var(--color-text); opacity: 0.85; line-height: 1.7; margin: 0 0 14px; word-wrap: break-word; overflow-wrap: break-word; }
.footer-heading { font-size: 16px; font-weight: 700; color: var(--color-secondary); margin: 0 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--color-border); }
.footer-nav { list-style: none; padding: 0; margin: 0 0 12px; }
.footer-nav li { margin-bottom: 10px; }
.footer-nav a { color: var(--color-text); text-decoration: none; opacity: 0.85; transition: color 0.2s ease, opacity 0.2s ease, padding-left 0.2s ease; display: inline-block; word-wrap: break-word; overflow-wrap: break-word; }
.footer-nav a:hover { color: var(--color-secondary); opacity: 1; padding-left: 4px; }
.footer-mid { padding: 24px 0; border-bottom: 1px solid var(--color-border); }
.footer-mid-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 12px; }
.footer-slot-anchor-inner { min-height: 1px; }
.footer-bottom { padding: 20px 0; background-color: #050505; text-align: center; }
.footer-bottom p { margin: 0; color: var(--color-text); opacity: 0.7; font-size: 13px; }
@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-left: 15px; padding-right: 15px; position: relative; }
  .logo { flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; font-size: 20px; }
  .logo img { display: block !important; 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; }
  .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; }
  .hamburger-menu { display: flex; }
  .main-nav { display: none; min-height: 48px !important; height: 48px !important; position: fixed; top: 60px; left: 0; width: 280px; max-width: 80%; height: calc(100vh - 60px) !important; background-color: #111111; flex-direction: column; align-items: stretch; justify-content: flex-start; transform: translateX(-100%); transition: transform 0.3s ease; z-index: 1001; overflow-y: auto; padding-top: 12px; }
  .main-nav.active { display: block; transform: translateX(0); }
  .nav-container { width: 100%; max-width: none; padding: 0 15px; flex-direction: column; align-items: stretch; gap: 0; height: auto; }
  .nav-link { display: block; padding: 12px 10px; border-bottom: 1px solid var(--color-border); border-radius: 0; font-size: 15px; }
  .nav-link.active { background-color: rgba(242,193,78,0.15); color: var(--color-secondary); }
  .footer-top-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-mid-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-container { width: 100%; max-width: none; padding-left: 15px; padding-right: 15px; }
  .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;
}