:root{--header-offset:122px;--color-primary:#11A84E;--color-secondary:#22C768;--color-button-grad:linear-gradient(180deg,#2AD16F 0%,#13994A 100%);--color-card-bg:#11271B;--color-bg:#08160F;--color-text-main:#F2FFF6;--color-text-secondary:#A7D9B8;--color-border:#2E7A4E;--color-glow:#57E38D;--color-gold:#F2C14E;--color-divider:#1E3A2A;--color-deep-green:#0A4B2C}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background-color:var(--color-bg);box-shadow:0 4px 20px rgba(0,0,0,.6);min-height:auto}.header-top{background-color:var(--color-deep-green);width:100%}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 20px;gap:15px}.logo{font-size:32px;font-weight:800;color:var(--color-gold);text-decoration:none;letter-spacing:2px;text-shadow:0 0 15px rgba(87,227,141,.4);background:linear-gradient(180deg,#F2C14E 0%,#D4A03C 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block}.logo:hover{color:var(--color-glow);text-decoration:none}.desktop-nav-buttons{display:flex;gap:10px}.btn{display:inline-block;padding:8px 20px;border-radius:6px;font-size:14px;font-weight:700;text-decoration:none;transition:all .3s ease;cursor:pointer;border:none}.btn-login{background:transparent;border:2px solid var(--color-gold);color:var(--color-gold)}.btn-login:hover{background:var(--color-gold);color:var(--color-bg);transform:translateY(-2px)}.btn-register{background:var(--color-button-grad);color:white;border:none;box-shadow:0 4px 15px rgba(17,168,78,.4)}.btn-register:hover{box-shadow:0 6px 20px rgba(17,168,78,.6);transform:translateY(-2px)}.btn-download{background:var(--color-card-bg);border:2px solid var(--color-glow);color:var(--color-glow)}.btn-download:hover{background:var(--color-glow);color:var(--color-bg);transform:translateY(-2px)}.main-nav{background-color:var(--color-bg);border-top:1px solid var(--color-divider);border-bottom:1px solid var(--color-divider);display:flex;width:100%}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:8px 20px;gap:5px;flex-wrap:wrap}.nav-link{color:var(--color-text-main);font-size:15px;font-weight:600;text-decoration:none;padding:8px 16px;border-radius:6px;transition:all .3s ease;position:relative}.nav-link:hover{color:var(--color-glow);background-color:rgba(17,168,78,.15);box-shadow:0 0 15px rgba(17,168,78,.2)}.hamburger-menu{display:none}.mobile-menu-overlay{display:none}.mobile-nav-buttons{display:none}@media(max-width:768px){:root{--header-offset:174px}.site-header{background-color:var(--color-bg)}.header-top{background-color:var(--color-deep-green)}.header-container{width:100%;max-width:none;padding:8px 15px;justify-content:space-between;position:relative}.logo{font-size:26px;position:absolute;left:50%;transform:translateX(-50%);order:0}.desktop-nav-buttons{display:none}.hamburger-menu{display:flex;position:relative;z-index:1002;background:transparent;border:none;cursor:pointer;width:38px;height:38px;padding:8px;flex-direction:column;justify-content:center;gap:5px}.hamburger-menu span{display:block;width:28px;height:2px;background-color:var(--color-gold);border-radius:2px;transition:all .4s ease}.hamburger-menu.active span:nth-child(1){transform:translateY(8px) rotate(45deg);background:var(--color-glow)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg);background:var(--color-glow)}.mobile-nav-buttons{display:flex;justify-content:center;align-items:center;gap:8px;padding:8px 15px;background-color:var(--color-bg);border-bottom:1px solid var(--color-divider);flex-wrap:wrap;position:relative;z-index:998}.mobile-nav-buttons .btn{padding:6px 15px;font-size:13px}.mobile-nav-buttons .btn-download{display:none}.main-nav{display:none;position:fixed;top:0;left:0;width:75%;max-width:300px;height:100vh;height:100dvh;background-color:var(--color-card-bg);z-index:1001;flex-direction:column;justify-content:flex-start;align-items:flex-start;padding:0;box-shadow:4px 0 20px rgba(0,0,0,.5);transform:translateX(-100%);transition:transform .3s ease-in-out;border:none;overflow-y:auto}.main-nav.active{display:block;transform:translateX(0)}.nav-container{width:100%;max-width:none;flex-direction:column;justify-content:flex-start;align-items:stretch;padding:40px 0 20px;gap:0}.nav-link{display:block;padding:14px 20px;font-size:16px;color:var(--color-text-main);border-bottom:1px solid rgba(255,255,255,.05)}.nav-link:hover{background-color:rgba(17,168,78,.2);color:var(--color-glow);box-shadow:none}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);z-index:999}.mobile-menu-overlay.active{display:block}body{padding-top:var(--header-offset,174px);overflow-x:hidden}.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;
}