:root{--header-offset:122px;--primary:#11A84E;--secondary:#22C768;--bg:#08160F;--card-bg:#11271B;--text-main:#F2FFF6;--text-secondary:#A7D9B8;--border:#2E7A4E;--glow:#57E38D;--gold:#F2C14E;--divider:#1E3A2A;--deep-green:#0A4B2C;--btn-gradient:linear-gradient(180deg,#2AD16F 0%,#13994A 100%)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;padding-top:var(--header-offset);background:var(--bg);color:var(--text-main);font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;background:var(--bg);box-shadow:0 4px 18px rgba(0,0,0,.55),0 1px 0 rgba(87,227,141,.25);border-bottom:1px solid var(--border)}
.header-top{box-sizing:border-box;width:100%;height:68px;min-height:68px;display:flex;align-items:center;overflow:hidden;background: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:28px;padding-right:28px}
.logo{display:inline-block;font-size:28px;font-weight:800;letter-spacing:.5px;color:var(--gold);text-decoration:none;line-height:1;text-shadow:0 0 12px rgba(242,193,78,.35)}
.logo:hover{color:var(--glow)}
.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;font-weight:700;border-radius:8px;padding:10px 20px;font-size:15px;line-height:1.2;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;cursor:pointer;white-space:nowrap}
.btn:hover{transform:translateY(-1px);filter:brightness(1.08)}
.btn-register{background:var(--btn-gradient);color:#04150B;border-color:#2AD16F;box-shadow:0 4px 14px rgba(42,209,111,.35)}
.btn-register:hover{box-shadow:0 6px 20px rgba(87,227,141,.5)}
.btn-login{background:transparent;color:var(--text-main);border:1px solid var(--border);box-shadow:inset 0 0 0 1px rgba(87,227,141,.12)}
.btn-login:hover{color:var(--glow);border-color:var(--glow)}
.main-nav{box-sizing:border-box;width:100%;height:52px;min-height:52px;display:flex;align-items:center;overflow:hidden;background:var(--card-bg);border-top:1px solid rgba(87,227,141,.12)}
.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;gap:4px}
.nav-link{display:inline-flex;align-items:center;height:100%;padding:0 12px;font-size:14px;font-weight:600;color:var(--text-secondary);text-decoration:none;white-space:nowrap;position:relative;transition:color .18s ease}
.nav-link::after{content:'';position:absolute;left:12px;right:12px;bottom:8px;height:2px;background:var(--glow);border-radius:2px;transform:scaleX(0);transform-origin:center;transition:transform .22s ease}
.nav-link:hover{color:var(--text-main)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--glow)}
.hamburger-menu{display:none;background:transparent;border:0;padding:8px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;z-index:1001}
.hamburger-menu span{display:block;width:24px;height:2.5px;background:var(--text-main);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.hamburger-menu.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hamburger-menu.active span:nth-child(2){opacity:0}
.hamburger-menu.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.menu-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:999}
.menu-overlay.active{opacity:1;visibility:visible}
.site-footer{background:var(--bg);color:var(--text-main);border-top:1px solid var(--border);margin-top:20px}
.footer-container{box-sizing:border-box;width:100%;max-width:1200px;margin:0 auto;padding:0 28px}
.footer-top{padding:48px 0 32px;background:var(--card-bg)}
.footer-top-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:20px}
.footer-col{min-width:0}
.footer-about .footer-logo{display:inline-block;font-size:26px;font-weight:800;color:var(--gold);text-decoration:none;margin-bottom:12px}
.footer-about .footer-logo:hover{color:var(--glow)}
.footer-description{font-size:14px;line-height:1.7;color:var(--text-secondary);margin:0;word-wrap:break-word;overflow-wrap:break-word}
.footer-heading{font-size:15px;font-weight:700;color:var(--glow);margin:0 0 14px;letter-spacing:.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:var(--text-secondary);text-decoration:none;font-size:14px;transition:color .18s ease}
.footer-nav a:hover{color:var(--glow)}
.footer-mid{padding:24px 0;background:var(--deep-green);border-top:1px solid var(--divider)}
.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:12px}
.footer-bottom-wrap{padding:12px 0;background:var(--card-bg)}
.footer-bottom{background:var(--bg);border-top:1px solid var(--divider);padding:18px 0}
.footer-bottom p{margin:0;text-align:center;font-size:13px;line-height:1.6;color:var(--text-secondary)}
.footer-slot-anchor-inner{display:block}
@media (max-width:768px){
  :root{--header-offset:110px}
  .header-top{height:60px !important;min-height:60px !important}
  .header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;position:relative}
  .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% - 120px);font-size:24px}
  .logo img{display:block !important;max-width:100%;height:auto;max-height:56px !important}
  .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:8px 15px;overflow:hidden;gap:10px;flex-wrap:nowrap;background:var(--deep-green);border-bottom:1px solid var(--divider);min-height:48px}
  .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;position:absolute;left:8px;top:50%;transform:translateY(-50%);z-index:1002}
  .hamburger-menu.active{transform:translateY(-50%)}
  .main-nav{height:48px !important;min-height:48px !important;background:var(--card-bg)}
  .nav-container{width:100%;max-width:none;padding:0 15px;justify-content:flex-start;gap:0}
  .main-nav{display:none;position:fixed;top:0;left:0;width:82%;max-width:320px;height:100vh !important;min-height:100vh !important;flex-direction:column;background:var(--card-bg);z-index:1001;transform:translateX(-100%);transition:transform .3s ease;overflow-y:auto;border-right:1px solid var(--border);box-shadow:6px 0 24px rgba(0,0,0,.5);padding-top:70px}
  .main-nav.active{display:block;transform:translateX(0)}
  .main-nav .nav-container{flex-direction:column;height:auto;padding:10px 16px 30px;align-items:stretch;gap:0}
  .nav-link{height:auto;padding:14px 10px;font-size:15px;border-bottom:1px solid var(--divider);justify-content:flex-start}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--glow)}
  .footer-container{padding:0 15px}
  .footer-top{padding:32px 0 24px}
  .footer-top-grid{grid-template-columns:1fr;gap:24px}
  .footer-mid-grid{grid-template-columns:1fr}
  .footer-heading{margin-bottom:10px}
  .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;
}