:root{--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;--header-offset:122px;--btn-gradient:linear-gradient(180deg,#2AD16F 0%,#13994A 100%);}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:var(--bg);box-shadow:0 2px 20px rgba(0,0,0,0.6);min-height:auto;display:block;}.header-top{background:var(--deep-green);width:100%;border-bottom:1px solid var(--border);}.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;}.logo{display:inline-block;font-size:2rem;font-weight:900;color:var(--glow);text-decoration:none;letter-spacing:1px;text-shadow:0 0 12px rgba(87,227,141,0.4);transition:color 0.3s,text-shadow 0.3s;}.logo:hover{color:var(--gold);text-shadow:0 0 16px rgba(242,193,78,0.5);}.desktop-nav-buttons{display:flex;gap:10px;align-items:center;}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border-radius:8px;font-family:inherit;font-size:0.95rem;font-weight:700;text-decoration:none;transition:all 0.3s ease;border:none;cursor:pointer;color:var(--text-main);text-transform:uppercase;letter-spacing:0.5px;}.btn-register{background:var(--btn-gradient);box-shadow:0 4px 15px rgba(17,168,78,0.4);}.btn-register:hover{box-shadow:0 6px 20px rgba(87,227,141,0.5);transform:translateY(-2px);color:var(--text-main);}.btn-download{background:linear-gradient(180deg,#F2C14E 0%,#D4A032 100%);box-shadow:0 4px 15px rgba(242,193,78,0.3);color:#08160F;}.btn-download:hover{box-shadow:0 6px 20px rgba(242,193,78,0.5);transform:translateY(-2px);color:#08160F;}.main-nav{background:var(--card-bg);width:100%;display:flex;border-bottom:1px solid var(--border);transition:all 0.3s ease;}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;min-height:52px;gap:4px;}.nav-link{display:inline-block;padding:12px 16px;color:var(--text-main);text-decoration:none;font-weight:600;font-size:0.92rem;transition:color 0.3s,background 0.3s;border-radius:4px;white-space:nowrap;letter-spacing:0.3px;}.nav-link:hover{color:var(--glow);background:rgba(87,227,141,0.12);}.mobile-nav-buttons{display:none;}.hamburger-menu{display:none;}.mobile-menu-overlay{display:none;}body{padding-top:var(--header-offset);margin:0;background:var(--bg);}@media(min-width:769px){.desktop-nav-buttons{display:flex;}.mobile-nav-buttons{display:none;}}@media(max-width:768px){:root{--header-offset:110px;}.site-header{background:var(--bg);}body{padding-top:var(--header-offset);}.header-top{display:block;width:100%;}.header-container{width:100%;max-width:none;min-height:60px;padding-left:15px;padding-right:15px;justify-content:space-between;}.logo{font-size:1.5rem;order:2;margin:0 auto;padding:8px 0;}.desktop-nav-buttons{display:none;}.main-nav{display:none;position:fixed;top:0;left:0;width:80%;max-width:340px;height:100vh;height:100dvh;background:var(--card-bg);flex-direction:column;justify-content:flex-start;align-items:flex-start;transform:translateX(-100%);z-index:1005;transition:transform 0.3s ease;overflow-y:auto;padding-top:60px;border-right:1px solid var(--border);}.main-nav.active{display:flex;transform:translateX(0);}.nav-container{width:100%;max-width:none;flex-direction:column;align-items:flex-start;padding:10px;gap:6px;}.nav-link{width:100%;padding:12px 18px;font-size:1rem;border-left:3px solid transparent;}.nav-link:hover{border-left-color:var(--glow);background:rgba(87,227,141,0.08);}.mobile-nav-buttons{display:flex;width:100%;max-width:none;background:var(--deep-green);flex-direction:row;justify-content:center;align-items:center;gap:10px;padding:8px 15px;border-bottom:1px solid var(--border);z-index:999;}.mobile-nav-buttons .btn{padding:8px 18px;font-size:0.85rem;flex:1;max-width:160px;}.hamburger-menu{display:flex;position:fixed;top:18px;left:16px;z-index:1002;width:32px;height:32px;border:none;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:4px;}.hamburger-line{display:block;width:22px;height:2px;background:var(--text-main);border-radius:2px;transition:transform 0.3s,opacity 0.3s;}.hamburger-menu.active .hamburger-line:nth-child(1){transform:translateY(7px) rotate(45deg);}.hamburger-menu.active .hamburger-line:nth-child(2){opacity:0;}.hamburger-menu.active .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg);}.mobile-menu-overlay{display:none;}.mobile-menu-overlay.active{display:block;position:fixed;top:0;left:0;width:100%;height:100%;height:100dvh;background:rgba(0,0,0,0.6);z-index:1004;}body.no-scroll{overflow:hidden;}.mobile-nav-buttons{top:0;}}@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;}}
/* 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;
}