:root{--header-offset:122px;--primary:#C61F1F;--secondary:#E53030;--gold:#F3C54D;--deep-red:#7E0D0D;--btn-bg:linear-gradient(180deg,#FFB04A 0%,#D86A14 100%);--card-bg:#2A1212;--bg:#140C0C;--text-main:#FFF1E8;--border:#6A1E1E}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;min-height:auto;box-shadow:0 4px 20px rgba(0,0,0,.6)}body{padding-top:var(--header-offset);margin:0;background-color:var(--bg);overflow-x:hidden}.header-top{background-color:var(--deep-red);width:100%;min-height:68px;display:flex;align-items:center}.header-container{max-width:1200px;margin:0 auto;width:100%;display:flex;justify-content:space-between;align-items:center;padding-left:30px;padding-right:30px;box-sizing:border-box}.logo{font-size:24px;font-weight:800;color:#FFF1E8;text-decoration:none;text-transform:uppercase;letter-spacing:1px;line-height:1.2;white-space:nowrap;display:block}.logo:hover{color:#F3C54D}.desktop-nav-buttons{display:flex;gap:12px;align-items:center}.btn{display:inline-block;padding:10px 24px;border-radius:30px;font-size:14px;font-weight:700;text-decoration:none;text-transform:uppercase;letter-spacing:.5px;transition:all .3s ease;cursor:pointer;border:none;color:#2A1212}.btn-register{background:var(--btn-bg);color:#2A1212}.btn-register:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,176,74,.5)}.btn-download{background:var(--btn-bg);color:#2A1212}.btn-download:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,176,74,.5)}.main-nav{background-color:#3d0a0a;width:100%;display:flex;border-top:2px solid var(--gold);border-bottom:2px solid var(--gold)}.nav-container{max-width:1200px;margin:0 auto;width:100%;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:10px 20px;box-sizing:border-box;gap:4px;flex-wrap:wrap}.nav-link{color:var(--text-main);text-decoration:none;padding:8px 12px;font-size:15px;font-weight:600;border-radius:6px;transition:background .3s,color .3s;white-space:nowrap}.nav-link:hover{background:var(--primary);color:#fff}.nav-link.active{background:var(--primary);color:#fff}.hamburger-menu{display:none;position:absolute;top:18px;left:15px;background:none;border:none;cursor:pointer;padding:8px;z-index:1002}.hamburger-menu span{display:block;width:25px;height:3px;background:#fff;margin:5px 0;border-radius:3px;transition:all .3s ease}.mobile-menu-overlay{display:none}.mobile-nav-buttons{display:none}@media (max-width:768px){:root{--header-offset:156px}.header-top{min-height:60px}.header-container{width:100%;max-width:100%;padding-left:50px;padding-right:15px;justify-content:center}.logo{font-size:20px;text-align:center}.desktop-nav-buttons{display:none}.main-nav{display:none;flex-direction:column;position:fixed;top:0;left:0;width:280px;height:100vh;background-color:var(--deep-red);z-index:1001;padding-top:70px;overflow-y:auto;border-top:none;border-bottom:none;box-shadow:4px 0 20px rgba(0,0,0,.5);transform:translateX(-100%);transition:transform .4s ease}.main-nav.active{display:flex;transform:translateX(0)}.nav-container{flex-direction:column;width:100%;max-width:100%;padding:10px;align-items:flex-start}.nav-link{width:100%;padding:12px 20px;font-size:16px;color:var(--text-main);border-bottom:1px solid rgba(243,197,77,.2)}.hamburger-menu{display:block}.hamburger-menu.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.7);z-index:1001;transition:opacity .3s ease}.mobile-menu-overlay.active{display:block}.mobile-nav-buttons{display:flex;justify-content:center;gap:10px;background-color:var(--deep-red);padding:10px 15px;border-top:1px solid var(--gold);min-height:48px;width:100%;box-sizing:border-box}.btn{padding:10px 20px;font-size:13px}.header-top{order:1}.mobile-nav-buttons{order:3}.main-nav{order:2}.site-header{display:flex;flex-direction:column}.header-top{order:1}.mobile-nav-buttons{order:3}.main-nav{order:2}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}}.site-footer{width:100%;background-color:var(--bg);color:var(--text-main);border-top:3px solid var(--gold);padding:50px 20px 20px;box-sizing:border-box;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}.footer-container{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}.footer-column{flex:1;min-width:200px;margin-bottom:20px}.footer-brand{font-size:24px;color:var(--gold);margin-bottom:15px;font-weight:800;text-transform:uppercase}.footer-desc{line-height:1.6;opacity:.9}.footer-title{font-size:16px;color:var(--gold);margin-bottom:15px;text-transform:uppercase;letter-spacing:1px}.footer-nav{list-style:none;padding:0;margin:0}.footer-nav li{margin-bottom:8px}.footer-nav li a{color:var(--text-main);text-decoration:none;font-size:14px;transition:color .3s;opacity:.9}.footer-nav li a:hover{color:var(--gold);padding-left:5px;opacity:1}.footer-bottom{border-top:1px solid var(--border);margin-top:30px;padding-top:20px;text-align:center;font-size:14px;opacity:.8}
/* 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;
}