.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:#0D0E12;box-shadow:0 4px 20px rgba(0,0,0,.6),0 1px 4px rgba(216,104,0,.3);border-bottom:2px solid #A84F0C}.header-top{background:linear-gradient(180deg,#17191F 0%,#0D0E12 100%);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;padding:10px 30px;width:100%;box-sizing:border-box}.logo{font-size:1.5rem;font-weight:800;color:#FFA53A;text-decoration:none;letter-spacing:1px;line-height:1.2;text-shadow:0 2px 8px rgba(255,140,26,.3);background:linear-gradient(135deg,#FFB04D,#FF8C1A);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;white-space:nowrap}.desktop-nav-buttons{display:flex;gap:10px;align-items:center}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:6px;font-weight:700;font-size:.9rem;text-decoration:none!important;transition:all .3s ease;border:none;cursor:pointer;line-height:1.4;min-height:40px;box-sizing:border-box}.btn-register{background:linear-gradient(180deg,#FFA53A 0%,#D96800 100%);color:#0D0E12;box-shadow:0 4px 12px rgba(216,104,0,.4)}.btn-register:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(216,104,0,.6);color:#0D0E12}.btn-login{background:linear-gradient(180deg,#FFA53A 0%,#D96800 100%);color:#0D0E12;box-shadow:0 4px 12px rgba(216,104,0,.4)}.btn-login:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(216,104,0,.6);color:#0D0E12}.btn-download{background:linear-gradient(135deg,#FFB04D,#FF8C1A);color:#0D0E12;box-shadow:0 4px 12px rgba(255,140,26,.4);border:1px solid #A84F0C}.btn-download:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(255,140,26,.6);color:#0D0E12}.main-nav{background:#17191F;width:100%;display:flex;align-items:center;position:static;border-top:1px solid rgba(168,79,12,.3)}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;gap:2px;width:100%;box-sizing:border-box}.nav-link{color:#FFF3E6;text-decoration:none;padding:12px 14px;font-size:.9rem;font-weight:600;white-space:nowrap;transition:color .3s,background .3s,border-color .3s;border-bottom:2px solid transparent;position:relative}.nav-link:hover{color:#FFB04D;background:rgba(255,140,26,.08);border-bottom-color:#FF8C1A}.mobile-nav-header{display:none}.mobile-nav-buttons{display:none}.mobile-menu-overlay{display:none}.hamburger-menu{display:none;background:none;border:none;cursor:pointer;width:36px;height:36px;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:8px;box-sizing:border-box;z-index:1002}.hamburger-menu span{display:block;width:100%;height:3px;background:#FF8C1A;border-radius:3px;transition:transform .3s ease,opacity .3s ease}.site-footer{background:#0D0E12;border-top:3px solid #A84F0C;color:#FFF3E6;padding:50px 0 0;margin-top:60px}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding:0 30px 40px;width:100%;box-sizing:border-box}.footer-brand .footer-logo{font-size:1.6rem;font-weight:800;color:#FFA53A;text-decoration:none;display:inline-block;margin-bottom:15px;background:linear-gradient(135deg,#FFB04D,#FF8C1A);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.footer-brand p{font-size:.9rem;line-height:1.8;color:#e0e0e0}.footer-column h4{font-size:1.05rem;font-weight:700;color:#FF8C1A;margin-bottom:18px;position:relative;padding-bottom:8px}.footer-column h4:after{content:'';position:absolute;left:0;bottom:0;width:30px;height:2px;background:#D96800}.footer-nav{display:flex;flex-direction:column;gap:10px}.footer-nav a{color:#FFF3E6;text-decoration:none;font-size:.9rem;transition:color .3s,padding-left .3s;padding-left:0}.footer-nav a:hover{color:#FFB04D;padding-left:5px}.footer-bottom{border-top:1px solid rgba(168,79,12,.3);padding:20px 0;text-align:center;width:100%}.footer-bottom p{font-size:.85rem;color:#e0e0e0}.footer-bottom .copyright-year{color:#FFB04D}:root{--header-offset:122px}body{padding-top:var(--header-offset);margin:0;background:#0D0E12}@media(max-width:768px){:root{--header-offset:110px}.site-header{min-height:0}.header-top{min-height:60px}.header-container{width:100%;max-width:none;padding:8px 15px;justify-content:space-between;position:relative}.logo{font-size:1.25rem;position:absolute;left:50%;transform:translateX(-50%)}.desktop-nav-buttons{display:none}.main-nav{display:none;position:fixed;top:0;left:0;width:80%;max-width:320px;height:100vh;height:100dvh;background:#17191F;flex-direction:column;justify-content:flex-start;align-items:stretch;z-index:1001;transform:translateX(-100%);transition:transform .3s ease;border-right:2px solid #A84F0C;overflow-y:auto}.main-nav.active{display:flex;transform:translateX(0)}.nav-container{flex-direction:column;width:100%;max-width:none;padding:0;align-items:stretch;justify-content:flex-start;gap:0}.mobile-nav-header{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;border-bottom:1px solid rgba(168,79,12,.3);background:#0D0E12}.mobile-nav-title{color:#FFB04D;font-weight:700;font-size:1rem}.mobile-nav-close{background:none;border:none;color:#FFF3E6;font-size:1.2rem;cursor:pointer;width:36px;height:36px;display:flex;align-items:center;justify-content:center}.nav-link{padding:14px 20px;font-size:.95rem;border-bottom:1px solid rgba(168,79,12,.15);width:100%;box-sizing:border-box}.nav-link:hover{background:rgba(255,140,26,.1);border-bottom-color:rgba(168,79,12,.15);padding-left:25px}.mobile-nav-buttons{display:flex;flex-direction:column;gap:10px;padding:20px;width:100%;box-sizing:border-box}.mobile-nav-buttons .btn{width:100%}.mobile-menu-overlay.active{display:block;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);z-index:1000}.hamburger-menu{display:flex;position:relative;z-index:1002}.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)}.site-footer{padding:40px 0 0}.footer-container{grid-template-columns:1fr;gap:30px;padding:0 15px 30px;width:100%;max-width:none}.footer-column{text-align:left}.footer-bottom{padding:15px}.footer-bottom p{font-size:.8rem}}body.no-scroll{overflow:hidden}.page-content{margin:0;padding:10px 20px 20px;max-width:100%;overflow-x:hidden}.page-content img{max-width:100%;height:auto}.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;
}