.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);min-height:auto;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}.header-top{background:linear-gradient(180deg,#7E0D0D 0%,#4A0808 100%);width:100%;border-bottom:2px solid #6A1E1E}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 30px;min-height:68px;box-sizing:border-box;position:relative}.logo{color:#F3C54D;font-size:28px;font-weight:800;text-decoration:none;letter-spacing:1px;text-shadow:0 0 10px rgba(243,197,77,0.3);white-space:nowrap;line-height:1;z-index:1002}.logo:hover{color:#FFF1E8;text-shadow:0 0 15px rgba(243,197,77,0.6)}.desktop-nav-buttons{display:flex;align-items:center;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 18px;border:none;border-radius:6px;font-weight:600;font-size:14px;cursor:pointer;text-decoration:none;transition:all 0.3s ease;white-space:nowrap;min-height:36px;line-height:1.2;font-family:inherit}.btn-register{background:linear-gradient(180deg,#FFB04A 0%,#D86A14 100%);color:#1A0505;box-shadow:0 2px 10px rgba(255,176,74,0.3);border:1px solid rgba(255,176,74,0.8)}.btn-register:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(255,176,74,0.5)}.btn-download{background:linear-gradient(180deg,#F3C54D 0%,#D86A14 100%);color:#1A0505;box-shadow:0 2px 10px rgba(243,197,77,0.3);border:1px solid rgba(243,197,77,0.6)}.btn-download:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(243,197,77,0.5)}.main-nav{background:#140C0C;width:100%;display:flex;border-top:1px solid #6A1E1E;border-bottom:1px solid #6A1E1E;position:static;transform:none;transition:transform 0.3s ease}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:6px 20px;gap:4px;flex-wrap:wrap;width:100%;box-sizing:border-box}.nav-link{color:#FFF1E8;text-decoration:none;padding:6px 10px;font-size:14px;font-weight:500;border-radius:4px;transition:all 0.25s ease;white-space:nowrap;display:inline-block}.nav-link:hover{color:#F3C54D;background:rgba(126,13,13,0.4)}.mobile-actions{display:none}.hamburger-menu{display:none;background:transparent;border:none;cursor:pointer;padding:8px;z-index:1002;flex-direction:column;justify-content:center;gap:5px;margin-left:0;align-self:center}.hamburger-line{display:block;width:25px;height:3px;background:#F3C54D;border-radius:2px;transition:all 0.3s ease}.mobile-menu-overlay{display:none}.mobile-nav-buttons{display:none}.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)}.site-footer{background:linear-gradient(180deg,#140C0C 0%,#1A0A0A 100%);color:#FFF1E8;padding:40px 20px 15px;border-top:3px solid #7E0D0D;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px;box-sizing:border-box}.footer-column{display:flex;flex-direction:column;align-items:flex-start}.footer-brand{justify-content:flex-start}.footer-logo{color:#F3C54D;font-size:28px;font-weight:800;text-decoration:none;margin-bottom:12px;letter-spacing:1px;display:inline-block}.footer-logo:hover{color:#FFF1E8}.footer-description{font-size:13px;line-height:1.6;color:#FFF1E8;margin:0;max-width:280px}.footer-title{color:#F3C54D;font-size:15px;font-weight:600;margin-bottom:12px;position:relative;padding-bottom:5px}.footer-title::after{content:'';position:absolute;left:0;bottom:0;width:36px;height:2px;background:#E53030;border-radius:2px}.footer-nav{display:flex;flex-direction:column;gap:6px;width:100%}.footer-link{color:#FFF1E8;text-decoration:none;font-size:13px;padding:3px 0;transition:color 0.3s ease;display:inline-block}.footer-link:hover{color:#F3C54D;padding-left:5px}.footer-contact{display:flex;flex-direction:column;align-items:flex-start}.footer-address,.footer-hotline,.footer-support{font-size:13px;line-height:1.5;color:#FFF1E8;margin:0 0 8px}.footer-hotline{color:#F3C54D;font-weight:600}.footer-support{color:#E53030;font-weight:500}.site-footer{background:linear-gradient(180deg,#140C0C 0%,#1E0A0A 100%);color:#FFF1E8;padding:50px 20px 20px;border-top:3px solid #7E0D0D;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;margin-top:40px}.site-footer a{color:#FFF1E8;text-decoration:none;transition:color 0.3s ease}.site-footer a:hover{color:#F3C54D}.footer-bottom{border-top:1px solid #6A1E1E;margin-top:30px;padding-top:15px;text-align:center}.copyright{font-size:13px;color:#FFF1E8;margin:0;line-height:1.5}:root{--header-offset:166px}body{padding-top:var(--header-offset)}.site-header .mobile-actions{display:none}.site-header .hamburger-menu{display:none}.site-header .mobile-menu-overlay{display:none}@media(max-width:768px){:root{--header-offset:146px}.header-container{width:100%;max-width:none;padding:8px 16px;min-height:60px;display:flex;justify-content:flex-start;gap:10px}.logo{font-size:24px;flex:1;text-align:center;order:2;margin:0 auto}.hamburger-menu{display:flex;order:1;flex-direction:column;align-items:center;justify-content:center;width:40px;height:40px;flex:none}.hamburger-menu.active .hamburger-line:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger-menu.active .hamburger-line:nth-child(2){opacity:0}.hamburger-menu.active .hamburger-line:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.desktop-nav-buttons{display:none}.main-nav{display:none;position:fixed;top:60px;left:0;width:280px;height:auto;max-height:calc(100vh - 120px);flex-direction:column;background:linear-gradient(180deg,#140C0C 0%,#1A0505 100%);transform:translateX(-100%);transition:transform 0.3s ease,display 0.3s ease;overflow-y:auto;border-right:3px solid #7E0D0D;box-shadow:4px 0 15px rgba(0,0,0,0.5);z-index:1005;padding:10px 0}.main-nav.active{display:flex;transform:translateX(0)}.main-nav .nav-container{flex-direction:column;align-items:flex-start;gap:0;padding:0;width:100%;max-width:none}.nav-link{width:100%;padding:12px 24px;font-size:15px;border-bottom:1px solid rgba(126,13,13,0.3);display:block;box-sizing:border-box}.nav-link:hover{background:rgba(126,13,13,0.5);padding-left:28px}.mobile-actions{display:block;background:#140C0C;border-bottom:2px solid #7E0D0D;padding:0}.mobile-actions-container{display:flex;justify-content:center;align-items:center;gap:12px;padding:8px 20px;width:100%;max-width:none;box-sizing:border-box;padding-left:16px;padding-right:16px}.mobile-actions .btn{flex:0 0 auto;font-size:14px;padding:8px 15px;margin:0}.mobile-menu-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.65);z-index:1004;display:none;cursor:pointer}.mobile-menu-overlay.active{display:block}body.no-scroll{overflow: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}.footer-container{grid-template-columns:1fr;gap:24px;width:100%;max-width:none;padding:0 5px;box-sizing:border-box}.footer-column{width:100%;align-items:center;text-align:center}.footer-description{max-width:100%;margin:0 auto}.footer-nav{align-items:center}.footer-link{padding:4px 0}.footer-brand{align-items:center}.footer-contact{align-items:center}.footer-bottom{padding-top:12px;margin-top:20px;width:100%}.copyright{font-size:12px}.footer-nav,.footer-column,.footer-brand{width:100%;max-width:100%}}
/* 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;
}