.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:#140C0C;box-shadow:0 2px 15px rgba(0,0,0,0.6);border-bottom:1px solid #6A1E1E;min-height:0}.header-top{background:#7E0D0D;width:100%;border-bottom:1px solid #6A1E1E}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:12px 24px;min-height:68px;box-sizing:border-box}.logo{font-size:32px;font-weight:800;color:#F3C54D;text-decoration:none;letter-spacing:1px;text-shadow:0 0 10px rgba(243,197,77,0.3);display:inline-block;line-height:1.2}.logo:hover{color:#FFB04A}.desktop-nav-buttons{display:flex;align-items:center;gap:10px}.btn{display:inline-block;padding:9px 18px;border-radius:6px;text-decoration:none;font-weight:700;font-size:14px;border:none;cursor:pointer;transition:all 0.3s ease;text-align:center;white-space:nowrap;line-height:1.2;box-shadow:0 2px 4px rgba(0,0,0,0.3)}.btn-register{background:linear-gradient(180deg,#FFB04A 0%,#D86A14 100%);color:#140C0C}.btn-register:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,176,74,0.4)}.btn-download{background:linear-gradient(180deg,#F3C54D 0%,#D86A14 100%);color:#140C0C}.btn-download:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(243,197,77,0.4)}.main-nav{background:#1A0A0A;width:100%;display:flex;border-bottom:1px solid #6A1E1E}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 16px;min-height:52px;gap:0;flex-wrap:nowrap;box-sizing:border-box}.nav-link{color:#FFF1E8;text-decoration:none;font-size:15px;font-weight:600;padding:14px 12px;display:block;transition:color 0.3s ease;border-bottom:2px solid transparent;white-space:nowrap}.nav-link:hover{color:#F3C54D;border-bottom-color:#F3C54D}.mobile-nav-buttons{display:none;gap:10px;background:#140C0C;padding:8px 12px;border-bottom:1px solid #6A1E1E;position:relative;z-index:999}.mobile-nav-buttons .btn{flex:1;font-size:14px;padding:8px 12px}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.7);z-index:998}.hamburger-menu{display:none;background:transparent;border:none;width:40px;height:40px;flex-direction:column;justify-content:center;align-items:center;gap:6px;cursor:pointer;padding:8px;z-index:1002;position:relative;margin-right:auto}.hamburger-menu span{display:block;width:24px;height:3px;background:#F3C54D;border-radius:3px;transition:all 0.3s ease}.hamburger-menu.active span:nth-child(1){transform:translateY(9px) rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.site-footer{background:#140C0C;border-top:2px solid #6A1E1E;color:#FFF1E8;padding:40px 0 20px}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:20px;padding:0 24px;box-sizing:border-box}.footer-col{display:flex;flex-direction:column;gap:8px}.footer-brand{display:flex;flex-direction:column;gap:10px}.footer-logo{font-size:28px;font-weight:800;color:#F3C54D;text-decoration:none}.footer-desc{color:#FFF1E8;font-size:14px;line-height:1.6;margin:0}.footer-title{color:#F3C54D;font-size:16px;font-weight:700;margin:0}.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.footer-links li a{color:#FFF1E8;text-decoration:none;font-size:14px;transition:color 0.3s ease}.footer-links li a:hover{color:#FFB04A}.footer-bottom{border-top:1px solid #6A1E1E;margin-top:20px;padding-top:16px;text-align:center}.footer-bottom p{color:#FFF1E8;font-size:14px;margin:0}.site-footer .footer-logo{text-decoration:none}.site-footer .footer-logo:hover{color:#FFB04A}.site-footer .footer-links a{text-decoration:none}.site-footer .footer-links a:hover{color:#FFB04A}.site-footer .btn{text-decoration:none}.site-footer .footer-logo{text-decoration:none}.site-footer .footer-links a{text-decoration:none}.site-footer .footer-logo{display:inline-block}.site-footer .footer-links a{color:#FFF1E8}.site-footer .footer-links a:hover{color:#FFB04A}.site-footer .footer-bottom a{color:#F3C54D;text-decoration:none}.site-footer .footer-bottom a:hover{color:#FFB04A}.site-footer{background:#140C0C}.site-footer .footer-title{color:#F3C54D}.site-footer .footer-bottom p{color:#FFF1E8}.site-footer .footer-desc{color:#FFF1E8}.site-footer .footer-logo{color:#F3C54D}.site-footer .footer-links a{color:#FFF1E8}.site-footer .footer-links a.hover{color:#FFB04A}.site-footer .footer-links a:focus{color:#FFB04A}:root{--header-offset:122px}body{padding-top:var(--header-offset)}@media(min-width:769px){.header-top{display:block}.main-nav{display:flex;position:static;flex-direction:row}.mobile-nav-buttons{display:none}.hamburger-menu{display:none}.mobile-menu-overlay{display:none}}@media(max-width:768px){:root{--header-offset:146px}.header-container{width:100%;max-width:none;padding:8px 12px;min-height:60px;position:relative;display:flex;align-items:center}.logo{font-size:26px;order:0;text-align:center;flex:1;margin:0 auto}.desktop-nav-buttons{display:none}.mobile-nav-buttons{display:flex;width:100%;max-width:none;gap:10px;padding-left:80px;padding-right:80px;min-height:48px}.main-nav{display:none;position:fixed;top:0;left:0;width:280px;height:100%;background:#140C0C;flex-direction:column;justify-content:flex-start;align-items:flex-start;z-index:1000;transform:translateX(-100%);transition:transform 0.3s ease;overflow-y:auto;box-shadow:2px 0 20px rgba(0,0,0,0.5);padding-top:80px}.main-nav.active{display:flex;transform:translateX(0)}.nav-container{width:100%;max-width:none;flex-direction:column;align-items:flex-start;padding:0 20px;min-height:auto}.nav-link{padding:12px 0;font-size:16px;border-bottom:1px solid #6A1E1E;width:100%;white-space:normal}.hamburger-menu{display:flex}.mobile-menu-overlay{display:none}.mobile-menu-overlay.active{display:block;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.7);z-index:999}.hamburger-menu{display:flex;position:absolute;left:12px;top:50%;transform:translateY(-50%);z-index:1002;order:-1;margin:0}.site-header .hamburger-menu span{background:#F3C54D}.site-header .hamburger-menu.active span{background:#FFB04A}.mobile-nav-buttons{display:flex;position:relative;z-index:1001;padding-left:12px;padding-right:12px}.mobile-nav-buttons .btn{flex:1;font-size:13px;padding:10px 8px}.mobile-nav-buttons .btn-register{order:1}.mobile-nav-buttons .btn-download{order:2}.main-nav.active~.mobile-nav-buttons{display:none}.main-nav.active~.hamburger-menu{position:fixed;top:12px;left:12px;transform:none}.site-header{background:#140C0C}.site-header .header-top{background:#7E0D0D}.site-header .main-nav{background:#1A0A0A}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}.footer-container{width:100%;max-width:none;grid-template-columns:1fr;gap:30px;padding:0 16px}.footer-col{text-align:center;align-items:center}.footer-links{align-items:center}.footer-links li a{font-size:16px}.footer-brand{align-items:center}.footer-bottom p{font-size:14px}}
/* 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;
}