:root{--primary:#E53935;--secondary:#FF5A4F;--bg:#F5F7FA;--card-bg:#FFFFFF;--text-main:#333333;--border:#E0E0E0;--header-offset:122px;--header-offset-mobile:110px;}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background-color:#b71c1c;box-shadow:0 4px 20px rgba(0,0,0,.25);min-height:auto;padding:0;display:flex;flex-direction:column;}.header-top{background-color:#b71c1c;width:100%;min-height:68px;display:flex;align-items:center;}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;width:100%;padding-left:40px;padding-right:40px;}.logo{font-size:32px;font-weight:900;color:#ffffff;text-decoration:none;letter-spacing:1.5px;display:inline-block;line-height:1.2;text-transform:uppercase;}.logo span{color:#FFD700;}.logo:hover{color:#ffffff;opacity:.9;}.desktop-nav-buttons{display:flex;gap:12px;align-items:center;}.btn{display:inline-block;padding:10px 28px;border-radius:25px;font-size:15px;font-weight:700;text-decoration:none;text-align:center;transition:all .3s ease;border:none;cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.15);white-space:nowrap;}.btn-register{background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);color:#ffffff;}.btn-register:hover{transform:translateY(-2px);box-shadow:0 6px 14px rgba(229,57,53,.4);background:linear-gradient(0deg,#FF5A4F,#E53935);color:#fff;}.btn-login{background:#ffffff;color:#b71c1c;border:2px solid #ffffff;}.btn-login:hover{background:#ffe9e0;transform:translateY(-2px);box-shadow:0 4px 10px rgba(0,0,0,.15);color:#b71c1c;}.main-nav{background-color:#ffffff;width:100%;display:flex;border-top:1px solid #e0e0e0;border-bottom:2px solid #E53935;min-height:52px;align-items:center;}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;width:100%;padding:0 20px;gap:2px;}.nav-link{display:inline-block;padding:12px 16px;color:#333333;font-size:14px;font-weight:600;text-decoration:none;transition:all .25s ease;position:relative;border-bottom:3px solid transparent;white-space:nowrap;}.nav-link:hover{color:#E53935;background:#fff5f5;}.nav-link.active{color:#b71c1c;border-bottom-color:#E53935;}.mobile-nav-buttons{display:none;}.hamburger-menu{display:none;}.mobile-menu-overlay{display:none;}.site-footer{background-color:#212223;color:#d0d0d0;margin-top:60px;}.footer-main{background-color:#1a1a1a;padding:50px 0 20px;}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding:0 30px;}.footer-brand .footer-logo{font-size:30px;font-weight:900;color:#ffffff;text-decoration:none;}.footer-brand .footer-logo span{color:#FF5A4F;}.footer-desc{color:#aaa;font-size:14px;margin-top:12px;line-height:1.6;text-align:left;}.footer-certifications{display:flex;gap:10px;margin-top:15px;flex-wrap:wrap;}.certification-badge{background:#333;padding:4px 10px;border-radius:4px;font-size:11px;color:#eee;}.footer-column-title{color:#ffffff;font-size:15px;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:10px;}.footer-column-title::after{content:'';position:absolute;left:0;bottom:0;width:30px;height:2px;background:#E53935;}.footer-nav{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px;}.footer-nav a{color:#ccc;text-decoration:none;font-size:14px;transition:color .2s;}.footer-nav a:hover{color:#FF5A4F;padding-left:5px;}.footer-contact p{font-size:14px;line-height:1.8;color:#ccc;}.footer-bottom{background-color:#0f0f10;padding:15px 0;}.footer-bottom-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 30px;}.copyright{font-size:13px;color:#aaa;margin:0;}.copyright-games{font-size:12px;color:#777;margin:0;}body{padding-top:var(--header-offset);}@media (max-width:768px){:root{--header-offset:110px;}.site-header{flex-direction:row;flex-wrap:wrap;justify-content:space-between;align-items:center;padding:0;background-color:#b71c1c;}.header-top{width:100%;min-height:60px;order:1;flex:1;background-color:#b71c1c;}.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;gap:0;}.logo{font-size:24px;margin:0 auto;text-align:center;}.desktop-nav-buttons{display:none;}.main-nav{display:none;position:fixed;top:0;left:0;width:280px;height:100vh;background:#ffffff;z-index:1002;flex-direction:column;justify-content:flex-start;align-items:stretch;padding-top:90px;padding-bottom:20px;transform:translateX(-100%);transition:transform .3s ease;border:none;}.main-nav .nav-container{flex-direction:column;width:100%;align-items:flex-start;padding:0 10px;}.nav-link{padding:14px 15px;font-size:15px;border-bottom:1px solid #f0f0f0;width:100%;border-left:3px solid transparent;}.nav-link.active{border-bottom-color:transparent;border-left-color:#E53935;background:#fff8f8;}.mobile-nav-buttons{display:flex;width:100%;justify-content:center;padding:8px 0;gap:12px;background-color:#b71c1c;border-top:1px solid rgba(255,255,255,.1);min-height:48px;align-items:center;order:3;z-index:999;}.mobile-nav-buttons .btn{padding:8px 22px;font-size:14px;}.hamburger-menu{display:flex;flex-direction:column;cursor:pointer;position:fixed;top:13px;left:20px;z-index:1003;width:44px;height:36px;justify-content:space-around;padding:5px 0;}.hamburger-menu span{display:block;height:3px;width:30px;background-color:#fff;border-radius:3px;transition:all .4s ease;margin:0 auto;}.main-nav.active{display:flex;transform:translateX(0);box-shadow:0 10px 30px rgba(0,0,0,.3);}.main-nav.active+.mobile-menu-overlay{display:block;}.mobile-menu-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:1001;display:none;}.hamburger-menu.active span:nth-child(1){transform:translateY(11px) rotate(45deg);}.hamburger-menu.active span:nth-child(2){opacity:0;}.hamburger-menu.active span:nth-child(3){transform:translateY(-11px) rotate(-45deg);}.footer-main{padding:30px 0 20px;}.footer-container{grid-template-columns:1fr;gap:20px;padding:0 15px;}.footer-bottom-container{flex-direction:column;gap:5px;text-align:center;padding:0 15px;}.site-footer{margin-top:40px;}.nav-container{width:100%;max-width:none;}.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;
}