:root { --primary: #11A84E; --secondary: #22C768; --btn-bg: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); --bg-card: #11271B; --bg-page: #08160F; --text-main: #F2FFF6; --text-secondary: #A7D9B8; --border-color: #2E7A4E; --glow: #57E38D; --gold: #F2C14E; --divider: #1E3A2A; --deep-green: #0A4B2C; --header-offset: 122px; }
* { box-sizing: border-box; }
body { padding-top: var(--header-offset); margin: 0; background-color: var(--bg-page); color: var(--text-main); font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; }
.site-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 1000; background-color: var(--bg-page); box-shadow: 0 4px 18px rgba(0,0,0,0.55); border-bottom: 1px solid var(--border-color); }
.header-top { box-sizing: border-box; width: 100%; height: 68px; min-height: 68px; display: flex; align-items: center; overflow: hidden; background-color: var(--deep-green); border-bottom: 1px solid var(--divider); }
.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: 30px; padding-right: 30px; }
.logo { display: inline-block; font-size: 28px; font-weight: 800; color: var(--gold); text-decoration: none; letter-spacing: 1.5px; text-transform: lowercase; text-shadow: 0 0 14px rgba(242,193,78,0.45); }
.logo img { display: block; max-height: 60px; height: auto; width: auto; max-width: 280px; object-fit: contain; }
.hamburger-menu { display: none; flex-direction: column; justify-content: space-between; width: 28px; height: 22px; background: transparent; border: none; cursor: pointer; padding: 0; z-index: 1001; }
.hamburger-menu span { display: block; width: 100%; height: 3px; background-color: var(--text-main); border-radius: 3px; transition: transform 0.3s ease, opacity 0.3s ease; }
.hamburger-menu.active span:nth-child(1) { transform: translateY(9.5px) rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { transform: translateY(-9.5px) rotate(-45deg); }
.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: 9px 20px; border-radius: 8px; font-size: 14px; font-weight: 700; text-decoration: none; border: 1px solid transparent; transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease; white-space: nowrap; cursor: pointer; }
.btn-login { background: transparent; color: var(--text-main); border: 1px solid var(--border-color); }
.btn-login:hover { border-color: var(--glow); color: var(--glow); }
.btn-register { background: var(--btn-bg); color: #FFFFFF; box-shadow: 0 4px 14px rgba(42,209,111,0.35); }
.btn-register:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(87,227,141,0.5); }
.main-nav { box-sizing: border-box; width: 100%; height: 52px; min-height: 52px; display: flex; align-items: center; overflow: hidden; background-color: var(--bg-card); border-top: 1px solid var(--divider); }
.nav-container { box-sizing: border-box; width: 100%; height: 100%; max-width: 1200px; margin: 0 auto; display: flex; flex-direction: row; justify-content: center; align-items: center; padding: 0 20px; }
.nav-menu { display: flex; flex-direction: row; justify-content: center; align-items: center; list-style: none; margin: 0; padding: 0; gap: 6px; flex-wrap: nowrap; }
.nav-menu li { margin: 0; padding: 0; }
.nav-menu li a { display: block; padding: 8px 14px; font-size: 14px; font-weight: 600; color: var(--text-main); text-decoration: none; border-radius: 6px; transition: color 0.2s ease, background-color 0.2s ease; white-space: nowrap; }
.nav-menu li a:hover { color: var(--gold); background-color: rgba(87,227,141,0.12); }
.nav-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.65); z-index: 999; opacity: 0; transition: opacity 0.3s ease; }
.nav-overlay.active { display: block; opacity: 1; }
.site-footer { background-color: var(--bg-card); color: var(--text-secondary); border-top: 2px solid var(--border-color); padding: 0; }
.footer-top-grid { max-width: 1200px; margin: 0 auto; padding: 50px 30px 10px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; align-items: start; }
.footer-slot-top { grid-column: 1 / -1; }
.footer-col { display: flex; flex-direction: column; }
.footer-about { grid-column: span 1; }
.footer-dynamic-col { min-height: 1px; }
.footer-logo { display: inline-block; font-size: 26px; font-weight: 800; color: var(--gold); text-decoration: none; letter-spacing: 1.5px; margin-bottom: 14px; text-transform: lowercase; text-shadow: 0 0 12px rgba(242,193,78,0.4); }
.footer-description { font-size: 14px; line-height: 1.7; color: var(--text-secondary); margin: 0; word-wrap: break-word; overflow-wrap: break-word; }
.footer-col-title { font-size: 16px; font-weight: 700; color: var(--text-main); margin: 0 0 16px; padding-bottom: 8px; border-bottom: 1px solid var(--divider); }
.footer-nav { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-nav li a { color: var(--text-secondary); font-size: 14px; text-decoration: none; transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-nav li a:hover { color: var(--glow); padding-left: 4px; }
.footer-slot-anchor-inner { width: 100%; }
.footer-slot-mid, .footer-slot-bottom { grid-column: 1 / -1; }
.footer-slot-mid-row { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.footer-bottom { border-top: 1px solid var(--divider); background-color: var(--deep-green); padding: 20px 30px; text-align: center; }
.footer-bottom p { margin: 0; font-size: 13px; color: var(--text-secondary); }
body.no-scroll { overflow: hidden; }
.page-content img { max-width: 100%; height: auto; display: block; }
@media (max-width: 768px) {
  :root { --header-offset: 110px; }
  .site-header { box-shadow: 0 3px 12px rgba(0,0,0,0.6); }
  .header-top { height: 60px !important; min-height: 60px !important; }
  .header-container { width: 100%; max-width: none; padding-left: 15px; padding-right: 15px; justify-content: flex-start; }
  .hamburger-menu { display: flex; }
  .logo { flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; text-align: center; }
  .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; 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; min-height: 48px; background-color: var(--deep-green); border-bottom: 1px solid var(--divider); }
  .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: 82%; max-width: 320px; height: 100vh; min-height: 100vh; flex-direction: column; align-items: flex-start; justify-content: flex-start; background-color: var(--bg-card); padding-top: 80px; overflow-y: auto; transform: translateX(-100%); transition: transform 0.3s ease; z-index: 1000; border-right: 1px solid var(--border-color); }
  .main-nav.active { display: block; transform: translateX(0); }
  .nav-container { width: 100%; max-width: none; height: auto; flex-direction: column; align-items: stretch; justify-content: flex-start; padding: 10px 15px; }
  .nav-menu { flex-direction: column; align-items: stretch; gap: 0; width: 100%; }
  .nav-menu li { width: 100%; }
  .nav-menu li a { padding: 14px 12px; font-size: 15px; border-bottom: 1px solid var(--divider); border-radius: 0; }
  .footer-top-grid { grid-template-columns: 1fr; gap: 28px; padding: 36px 18px 10px; }
  .footer-slot-mid-row { grid-template-columns: 1fr; gap: 12px; }
  .footer-bottom { padding: 16px 18px; }
  .footer-nav { gap: 8px; }
  .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;
}