:root{
  --header-offset:122px;
  --clr-primary:#11A84E;
  --clr-secondary:#22C768;
  --clr-card-bg:#11271B;
  --clr-bg:#08160F;
  --clr-text-main:#F2FFF6;
  --clr-text-secondary:#A7D9B8;
  --clr-border:#2E7A4E;
  --clr-glow:#57E38D;
  --clr-gold:#F2C14E;
  --clr-divider:#1E3A2A;
  --clr-deep-green:#0A4B2C;
}
body{
  margin:0;
  padding-top:var(--header-offset);
  background-color:var(--clr-bg);
  font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  color:var(--clr-text-main);
}
*,*::before,*::after{box-sizing:border-box;}
a{text-decoration:none;color:inherit;}
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:700;border-radius:8px;padding:10px 20px;font-size:14px;line-height:1.2;cursor:pointer;border:2px solid transparent;transition:transform .2s,box-shadow .2s,filter .2s;text-decoration:none;}
.btn-register{background:linear-gradient(180deg,#2AD16F 0%,#13994A 100%);color:#08160F;box-shadow:0 2px 8px rgba(87,227,141,.3);}
.btn-login{background:linear-gradient(180deg,#F2C14E 0%,#D49A2C 100%);color:#08160F;box-shadow:0 2px 8px rgba(242,193,78,.3);}
.btn:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(87,227,141,.4);filter:brightness(1.05);}
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background-color:var(--clr-bg);box-shadow:0 2px 12px rgba(0,0,0,.5);}
.header-top{background-color:var(--clr-deep-green);width:100%;border-bottom:1px solid var(--clr-border);}
.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 24px;min-height:68px;}
.logo{font-size:28px;font-weight:800;color:var(--clr-gold);letter-spacing:1px;text-transform:uppercase;text-shadow:0 0 12px rgba(242,193,78,.4);white-space:nowrap;display:block;}
.desktop-nav-buttons{display:flex;gap:10px;align-items:center;}
.main-nav{background-color:var(--clr-card-bg);width:100%;border-bottom:1px solid var(--clr-border);}
.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:8px 16px;min-height:52px;gap:4px;}
.nav-link{font-size:14px;font-weight:600;color:var(--clr-text-main);padding:8px 14px;border-radius:6px;transition:background-color .3s,color .3s;white-space:nowrap;}
.nav-link:hover,.nav-link.active{background-color:rgba(17,168,78,.2);color:var(--clr-glow);}
.mobile-nav-buttons{display:none;background-color:var(--clr-card-bg);padding:8px 16px;gap:10px;justify-content:center;min-height:48px;border-top:1px solid var(--clr-divider);}
.mobile-nav-buttons .btn{padding:8px 16px;font-size:13px;}
.hamburger-menu{display:none;background:transparent;border:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;cursor:pointer;padding:0;position:absolute;left:12px;top:14px;z-index:1001;}
.hamburger-menu span{display:block;width:24px;height:2px;background-color:var(--clr-text-main);margin:3px 0;transition:transform .3s,opacity .3s;border-radius:2px;}
.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-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.6);z-index:999;}
.site-footer{background-color:var(--clr-card-bg);border-top:3px solid var(--clr-border);padding:40px 16px 0;color:var(--clr-text-main);}
.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:32px;}
.footer-brand .footer-logo{display:inline-block;font-size:24px;font-weight:800;color:var(--clr-gold);margin-bottom:12px;}
.footer-description{font-size:14px;color:var(--clr-text-secondary);line-height:1.6;max-width:300px;}
.footer-title{font-size:16px;color:var(--clr-glow);margin-bottom:16px;font-weight:600;position:relative;padding-bottom:8px;}
.footer-title::after{content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;background-color:var(--clr-gold);}
.footer-nav{list-style:none;padding:0;margin:0;}
.footer-nav li{margin-bottom:10px;}
.footer-nav li a{color:var(--clr-text-secondary);font-size:14px;transition:color .3s,padding-left .3s;}
.footer-nav li a:hover{color:var(--clr-gold);padding-left:4px;}
.footer-contact-text{font-size:14px;color:var(--clr-text-secondary);margin-bottom:8px;line-height:1.5;}
.footer-bottom{background-color:var(--clr-deep-green);border-top:1px solid var(--clr-border);padding:16px;text-align:center;}
.footer-copyright{font-size:13px;color:var(--clr-text-secondary);margin:0;}
@media(max-width:768px){
  :root{--header-offset:146px;}
  .header-container{width:100%;max-width:none;padding:0 16px;min-height:60px;justify-content:center;position:relative;}
  .logo{font-size:22px;}
  .desktop-nav-buttons{display:none;}
  .main-nav{display:none;position:fixed;top:0;left:0;width:280px;height:100%;background-color:var(--clr-card-bg);flex-direction:column;justify-content:flex-start;align-items:stretch;padding:70px 0 20px;transform:translateX(-100%);transition:transform .4s ease-in-out;border-right:1px solid var(--clr-border);box-shadow:4px 0 20px rgba(0,0,0,.5);z-index:1000;}
  .main-nav.active{display:block;transform:translateX(0);}
  .nav-container{width:100%;max-width:none;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;padding:8px 12px;gap:2px;}
  .nav-link{display:block;padding:12px 14px;font-size:15px;border-radius:4px;border-bottom:1px solid var(--clr-divider);}
  .mobile-nav-buttons{display:flex;width:100%;max-width:none;}
  .hamburger-menu{display:flex;}
  .mobile-menu-overlay.active{display:block;}
  .main-nav>*, .main-nav.active>*{display:block;}
  .footer-container{grid-template-columns:1fr 1fr;gap:30px;padding:0 16px 24px;}
  .footer-brand{grid-column:1/-1;text-align:center;}
  .footer-description{margin:0 auto;}
  .footer-title{font-size: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;
}