.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif!important;box-shadow:0 2px 10px rgba(0,0,0,.15)}.header-top{background-color:#1a2a3a;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;width:100%;padding:10px 30px}.logo{font-size:1.6rem;font-weight:800!important;color:#FFFFFF!important;text-decoration:none!important;letter-spacing:1px;text-transform:uppercase;background:linear-gradient(135deg,#26A9E0,#FFFFFF);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:inline-block;white-space:nowrap}.desktop-nav-buttons{display:flex;gap:10px;align-items:center;flex-shrink:0}.btn{display:inline-block;padding:10px 22px;border-radius:6px;text-decoration:none!important;font-weight:700;font-size:.9rem;transition:all .25s ease;text-align:center}.btn-login{background-color:#EA7C07;color:#ffffff!important;border:2px solid #EA7C07}.btn-login:hover{background-color:#d06a00;transform:translateY(-2px);box-shadow:0 4px 12px rgba(234,124,7,.3)}.btn-register{background-color:#26A9E0;color:#ffffff!important;border:2px solid #26A9E0}.btn-register:hover{background-color:#1a8cbb;transform:translateY(-2px);box-shadow:0 4px 12px rgba(38,169,224,.3)}.btn-download{background-color:#FFFFFF;color:#1a2a3a!important;border:2px solid #FFFFFF}.btn-download:hover{background-color:#e8f4fa;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,255,255,.2)}.main-nav{background-color:#f0f8fc;width:100%;display:flex;border-top:1px solid #e0eef4}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;width:100%;padding:8px 20px;flex-wrap:wrap}.nav-link{color:#1a2a3a!important;text-decoration:none!important;font-weight:600;font-size:.95rem;padding:8px 14px;border-radius:4px;transition:background-color .2s,color .2s;white-space:nowrap}.nav-link:hover{background-color:#26A9E0;color:#ffffff!important}.mobile-nav-buttons{display:none}.hamburger-menu{display:none}.mobile-menu-overlay{display:none}.site-footer{background-color:#1a2a3a;color:#d0d0d0;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif!important;border-top:4px solid #26A9E0}.footer-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;gap:40px;padding:50px 30px 30px}.footer-brand{flex:1.2}.footer-logo{font-size:1.8rem;font-weight:800!important;color:#26A9E0!important;text-decoration:none!important;letter-spacing:1px;text-transform:uppercase;display:inline-block;margin-bottom:15px}.footer-desc{color:#a0b0c0;line-height:1.6;font-size:.9rem}.footer-col{flex:1;min-width:150px}.footer-heading{color:#26A9E0!important;font-size:1.1rem;font-weight:700!important;margin-bottom:20px;padding-bottom:10px;position:relative;text-transform:uppercase;letter-spacing:.5px}.footer-heading::after{content:"";display:block;width:30px;height:3px;background-color:#26A9E0;margin-top:8px;border-radius:2px}.footer-nav{list-style:none!important;padding:0!important;margin:0!important}.footer-nav li{margin-bottom:12px}.footer-nav a{color:#d0d0d0!important;text-decoration:none!important;font-size:.9rem;transition:color .2s,padding-left .2s}.footer-nav a:hover{color:#26A9E0!important;padding-left:5px}.footer-contact{font-size:.9rem;margin-bottom:10px;color:#d0d0d0}.footer-contact span{color:#26A9E0;font-weight:600;margin-right:5px}.footer-bottom{border-top:1px solid #2a3a4a;text-align:center;padding:20px;font-size:.9rem;color:#8899aa}.footer-bottom p{margin:0}@media (max-width:768px){:root{--header-offset:110px}body{padding-top:var(--header-offset)}.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-header{min-height:auto}.header-top{min-height:60px}.header-container{width:100%;max-width:none;padding:8px 15px;justify-content:space-between}.logo{font-size:1.3rem}.desktop-nav-buttons{display:none}.main-nav{display:none;flex-direction:column;position:fixed;top:0;left:0;width:280px;height:100vh;background-color:#f0f8fc;transform:translateX(-100%);transition:transform .3s ease;z-index:1100;overflow-y:auto;padding-top:60px;box-shadow:2px 0 15px rgba(0,0,0,.2)}.main-nav.active{display:block;transform:translateX(0)}.main-nav.active .nav-container{flex-direction:column;align-items:flex-start;padding:10px 20px}.main-nav .nav-link{color:#1a2a3a!important;text-decoration:none!important;padding:12px 15px;font-size:1rem;width:100%;text-align:left;border-bottom:1px solid #d5eaf2}.main-nav .nav-link:hover{background-color:#26A9E0;color:#ffffff!important}.nav-container{width:100%;max-width:none;flex-direction:column;justify-content:flex-start;padding:10px 0}.mobile-nav-buttons{display:flex;position:fixed;top:60px;left:0;width:100%;background-color:#1a2a3a;justify-content:center;gap:6px;padding:8px 10px;z-index:1000;border-top:1px solid #2a4a5a}.mobile-nav-buttons .btn{padding:8px 12px!important;font-size:.8rem!important;flex:1;max-width:200px}.hamburger-menu{display:flex;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;background:transparent;border:none;cursor:pointer;z-index:1200;position:absolute;left:10px;top:10px;padding:0}.hamburger-menu span{display:block;width:24px;height:3px;background-color:#FFFFFF;margin:2.5px 0;border-radius:3px;transition:transform .3s ease,opacity .3s}.hamburger-menu.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.mobile-nav-buttons .btn-login{padding:10px 14px;min-width:90px}.mobile-nav-buttons .btn-register{padding:10px 14px;background-color:#EA7C07!important;border-color:#EA7C07!important;min-width:90px}.mobile-nav-buttons .btn-download{padding:10px 14px;min-width:90px}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);z-index:1050}.mobile-menu-overlay.active{display:block}.site-footer{padding-top:0}.footer-container{flex-direction:column;gap:30px;padding:40px 20px 20px}.footer-brand,.footer-col{width:100%}.footer-col{border-bottom:1px solid #2a3a4a;padding-bottom:20px}.footer-col:last-child{border-bottom:none}.footer-bottom{padding:15px 10px;font-size:.8rem}}
/* 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;
}