.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:#0D0E12;box-shadow:0 4px 20px rgba(255,140,26,0.2);min-height:auto}.header-top{width:100%;background:#0D0E12;border-bottom:1px solid rgba(255,140,26,0.3)}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 24px;height:68px}.logo{font-size:32px;font-weight:900;color:#FF8C1A;text-decoration:none;letter-spacing:1px;text-transform:lowercase;display:inline-block;line-height:1.2}.logo:hover{color:#FFA53A;text-shadow:0 0 15px rgba(255,176,77,0.5)}.hamburger-menu{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;z-index:1002;order:1}.hamburger-menu span{display:block;width:26px;height:3px;background:#FFA53A;border-radius:3px;transition:all 0.3s ease}.hamburger-menu.active span:nth-child(1){transform:translateY(8px) rotate(45deg);background:#FF8C1A}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg);background:#FF8C1A}.desktop-nav-buttons{display:flex;gap:10px;align-items:center}.btn{display:inline-block;padding:10px 22px;border-radius:8px;font-size:14px;font-weight:700;text-decoration:none;text-align:center;transition:all 0.3s ease;cursor:pointer;border:none;box-shadow:0 4px 15px rgba(217,104,0,0.4)}.btn-register,.btn-download{background:linear-gradient(180deg,#FFA53A 0%,#D96800 100%);color:#0D0E12}.btn-register:hover,.btn-download:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,176,77,0.5);background:linear-gradient(180deg,#FFB04D 0%,#D96800 100%);color:#17191F}.mobile-nav-buttons{display:none;width:100%;background:#0D0E12;padding:8px 15px 10px;gap:10px;justify-content:center;border-bottom:1px solid rgba(255,140,26,0.2)}.mobile-nav-buttons .btn{flex:1;max-width:180px;padding:10px 12px;font-size:13px}.main-nav{display:flex;width:100%;background:#17191F;border-top:1px solid #A84F0C;border-bottom:2px solid #D96800}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:5px 12px;width:100%;gap:2px}.nav-link{color:#FFF3E6;text-decoration:none;font-size:14px;font-weight:600;padding:10px 12px;border-radius:6px;transition:all 0.2s ease;white-space:nowrap;display:inline-block}.nav-link:hover{color:#FF8C1A;background:rgba(255,140,26,0.15);text-shadow:0 0 10px rgba(255,140,26,0.4)}.nav-link.active{color:#FFA53A;font-weight:700;background:rgba(255,138,26,0.1)}.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;opacity:0;transition:opacity 0.3s ease}.mobile-menu-overlay.active{opacity:1}.site-footer{background:#0D0E12;color:#FFF3E6;border-top:3px solid #FF8C1A;margin-top:60px;position:relative}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding:50px 24px 30px}.footer-brand-col .footer-logo{font-size:34px;font-weight:900;color:#FF8C1A;text-decoration:none;display:inline-block;margin-bottom:15px}.footer-brand-col .footer-logo:hover{color:#FFA53A;text-shadow:0 0 20px rgba(255,140,26,0.5)}.footer-desc{font-size:14px;line-height:1.6;color:rgba(255,243,230,0.8);margin:0}.footer-title{font-size:16px;font-weight:700;color:#FFA53A;margin-bottom:15px;text-transform:uppercase;letter-spacing:0.5px;position:relative;padding-bottom:8px;border-bottom:2px solid rgba(255,165,58,0.3)}.footer-nav{display:flex;flex-direction:column;gap:10px}.footer-link{color:rgba(255,243,230,0.9);text-decoration:none;font-size:14px;transition:color 0.2s ease;padding:2px 0;display:inline-block;position:relative}.footer-link:hover{color:#FFA53A;padding-left:5px}.footer-link::before{content:'›';margin-right:6px;color:#FF8C1A;font-weight:700}.footer-bottom{max-width:1200px;margin:0 auto;padding:20px 24px;border-top:1px solid rgba(255,140,26,0.15);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}.copyright{font-size:14px;color:rgba(255,243,230,0.7);margin:0}.footer-disclaimer{font-size:13px;color:rgba(255,165,58,0.8);margin:0}.site-footer a,.site-footer p,.site-footer h4{text-shadow:none}.site-footer .footer-col{padding:0 10px}.footer-bottom{max-width:1200px;margin:0 auto;padding:20px 24px;border-top:1px solid rgba(255,140,26,0.15);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}.page-content{max-width:1200px;margin:0 auto;padding:15px 20px}body{padding-top:120px}@media(max-width:768px){:root{--header-offset:110px}.site-header{display:flex;flex-direction:column;flex-wrap:wrap}.header-top{width:100%;order:1}.header-container{width:100%;max-width:none;padding:8px 12px;height:auto;min-height:60px;display:flex;justify-content:space-between;align-items:center}.logo{margin-left:auto;margin-right:auto;order:2;font-size:26px}.desktop-nav-buttons{display:none}.hamburger-menu{display:flex;margin-right:auto;order:1}.mobile-nav-buttons{display:flex;flex-wrap:wrap;gap:8px;order:2;width:100%;padding:8px 12px;border-bottom:1px solid rgba(255,140,26,0.2);justify-content:center}.mobile-nav-buttons .btn{flex:1;min-width:110px;padding:8px 10px;font-size:13px}.main-nav{display:none;position:fixed;top:0;right:0;width:280px;max-width:85%;height:100vh;background:#0D0E12;flex-direction:column;padding-top:70px;z-index:1001;transform:translateX(100%);transition:transform 0.35s ease-in-out;border-left:2px solid #FF8C1A;box-shadow:-5px 0 30px rgba(0,0,0,0.6);overflow-y:auto;border-top:none}.main-nav.active{display:flex;transform:translateX(0)}.nav-container{flex-direction:column;width:100%;max-width:none;padding:10px 5px;gap:0}.nav-link{font-size:16px;padding:12px 15px;width:100%;text-align:left;border-bottom:1px solid rgba(255,165,58,0.1);color:#FFF3E6;font-weight:500}.nav-link:hover{background:rgba(255,140,26,0.15);padding-left:20px}.mobile-menu-overlay.active{display:block}.footer-container{grid-template-columns:1fr;gap:25px;padding:40px 20px 20px;text-align:left}.footer-title{margin-bottom:10px}.footer-bottom{flex-direction:column;text-align:center;gap:8px;padding:15px 20px}.page-content{padding:10px 10px}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}.mobile-nav-buttons+*{margin-top:0}}@media(min-width:769px){.mobile-nav-buttons{display:none!important}.hamburger-menu{display:none!important}.site-header{display:block}}
/* 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;
}