:root{--header-offset:122px;--primary:#11A84E;--primary-light:#22C768;--primary-glow:#57E38D;--dark-bg:#08160F;--card-bg:#11271B;--text-main:#F2FFF6;--text-secondary:#A7D9B8;--border-color:#2E7A4E;--divider:#1E3A2A;--gold:#F2C14E;--header-top-bg:#0A4B2C;--header-nav-bg:#11271B;--btn-gradient:linear-gradient(180deg,#2AD16F 0%,#13994A 100%);--btn-hover-gradient:linear-gradient(180deg,#3BE080 0%,#1AAD55 100%)}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;box-shadow:0 2px 16px rgba(0,0,0,.5);background:var(--dark-bg);min-height:auto}.header-top{background:var(--header-top-bg);width:100%;border-bottom:1px solid var(--divider)}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:20px;padding-right:20px;min-height:68px;box-sizing:border-box}.logo{color:var(--gold);font-size:28px;font-weight:900;text-decoration:none;letter-spacing:2px;display:inline-block;text-transform:uppercase;font-family:'Arial Black',sans-serif;text-shadow:0 2px 8px rgba(87,227,141,.3);line-height:68px}.logo:hover{color:var(--primary-glow)}.desktop-nav-buttons{display:flex;gap:10px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:700;font-size:16px;padding:8px 24px;border-radius:50px;border:none;cursor:pointer;line-height:1.2;letter-spacing:.5px;transition:all .25s ease}.site-header .btn{text-decoration:none;font-family:inherit}.btn-register{background:var(--btn-gradient);color:var(--text-main);box-shadow:0 4px 14px rgba(18,178,86,.4)}.btn-register:hover{background:var(--btn-hover-gradient);transform:translateY(-2px);box-shadow:0 6px 20px rgba(18,178,86,.5)}.btn-login{background:linear-gradient(180deg,#F2C14E 0%,#D49A2A 100%);color:#1a2e1a;box-shadow:0 4px 12px rgba(242,193,78,.35)}.btn-login:hover{background:linear-gradient(180deg,#ffd35f 0%,#e0a832 100%);transform:translateY(-2px)}.main-nav{background:var(--header-nav-bg);width:100%;display:flex;min-height:52px;border-bottom:1px solid var(--divider)}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;gap:4px;padding:0 10px;width:100%}.nav-link{color:var(--text-main);text-decoration:none;font-size:15px;font-weight:600;padding:14px 16px;display:inline-block;position:relative;letter-spacing:.3px;white-space:nowrap;transition:color .2s;text-transform:none}.nav-link:after{content:'';position:absolute;left:10px;right:10px;bottom:6px;height:2px;background:var(--primary-light);transform:scaleX(0);transition:transform .25s ease;border-radius:1px}.nav-link:hover{color:var(--primary-light)}.nav-link:hover:after{transform:scaleX(1)}.nav-link.active{color:var(--primary-glow)}.nav-link.active:after{transform:scaleX(1);background:var(--gold)}.mobile-nav-buttons{display:none}.hamburger-menu{display:none}.mobile-menu-overlay{display:none}body{padding-top:var(--header-offset);margin:0;background:var(--dark-bg);font-family:'Segoe UI',Tahoma,sans-serif}@media(max-width:768px){:root{--header-offset:146px}.header-top{min-height:60px}.header-container{max-width:100%;width:100%;padding-left:15px;padding-right:15px;position:relative;display:flex;justify-content:space-between;align-items:center}.logo{font-size:24px;line-height:60px}.desktop-nav-buttons{display:none}.main-nav{display:none;position:fixed;top:0;left:0;width:84%;max-width:340px;height:100vh;height:100dvh;background:var(--card-bg);z-index:1200;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding-top:80px;padding-left:24px;padding-right:24px;box-shadow:4px 0 30px rgba(0,0,0,.7);border-right:1px solid var(--gold);overflow-y:auto;transition:transform .3s ease}.main-nav.active,.main-nav.open{display:flex;transform:translateX(0)}.main-nav:not(.active):not(.open){display:none}.nav-container{width:100%;max-width:100%;flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:0;padding:0}.nav-link{width:100%;color:var(--text-main);text-decoration:none;font-size:16px;font-weight:600;padding:14px 0;display:block;position:relative;letter-spacing:.3px;white-space:normal;text-align:left;border-bottom:1px solid rgba(46,122,78,.4)}.nav-link:after{display:none}body.no-scroll{overflow:hidden}.mobile-nav-buttons{display:flex;background:var(--header-top-bg);padding:6px 10px 8px;justify-content:center;gap:10px;flex-wrap:wrap;width:100%;box-sizing:border-box}.mobile-nav-buttons .btn{padding:8px 16px;font-size:13px;min-height:36px}.hamburger-menu{display:flex;flex-direction:column;justify-content:center;align-items:center;width:44px;height:44px;cursor:pointer;background:transparent;border:none;padding:0;z-index:1001;gap:6px}.hamburger-menu span{display:block;width:24px;height:2px;background:var(--text-main);transition:all .3s ease-in-out;border-radius:2px}.hamburger-menu.active span:first-child{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:rgba(0,0,0,.6);z-index:1100}.mobile-menu-overlay.active,.mobile-menu-overlay.open{display:block}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}.site-footer{background:var(--dark-bg)!important}.footer-nav{display:flex!important;flex-direction:column!important;gap:12px!important}.footer-link{font-size:16px!important}body{overflow-x:hidden}.site-header{min-height:auto}.header-top,.main-nav{min-height:0}}.site-footer{background:var(--card-bg);color:var(--text-main);padding:40px 0 0;border-top:2px solid var(--border-color)}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;padding:20px 40px 30px}.footer-column h4.footer-heading{color:var(--gold);font-size:18px;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:10px}.footer-column h4.footer-heading:after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:var(--primary-light)}ul.footer-nav{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}ul.footer-nav li a.footer-link{color:var(--text-main);text-decoration:none;font-size:16px;transition:all .2s ease;display:inline-block}.footer-link:hover{color:var(--primary-glow);transform:translateX(5px)}.footer-brand .footer-logo{color:var(--gold);font-size:28px;font-weight:900;text-decoration:none;letter-spacing:1px}.footer-brand p.footer-desc{margin:15px 0;color:var(--text-secondary)}.footer-brand p.footer-copyright{margin:0;padding-bottom:15px;color:var(--text-secondary);font-size:15px}
/* 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;
}