:root{--header-offset:122px;--footer-bg:#08162B;--footer-text:#AFC4E8;--footer-text-main:#F3F8FF;--footer-border:#1B3357;--footer-hover:#F2C14E;--primary:#113B7A;--secondary:#1D5FD1;--accent:#F2C14E;--card-bg:#10233F;--border:#244D84;--btn-gradient:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);--max-width:1200px}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.2);font-family:'Segoe UI',Roboto,Arial,sans-serif}.header-top{width:100%;min-height:68px;background:#113B7A;display:flex;align-items:center}.header-container{max-width:var(--max-width);width:100%;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding-left:30px;padding-right:30px}.logo{font-size:1.7rem;font-weight:800;color:#F3F8FF;text-decoration:none;letter-spacing:1px;text-transform:uppercase;display:inline-flex;align-items:center;line-height:1.2;padding:4px 0}.logo:hover{color:#F2C14E}.desktop-nav-buttons{display:flex;align-items:center;gap:10px;margin-left:auto}@media(max-width:768px){.desktop-nav-buttons{display:none}}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:.5rem 1.2rem;border-radius:6px;font-weight:700;text-decoration:none!important;font-size:.95rem;border:none;cursor:pointer;transition:all .3s ease;white-space:nowrap}.btn-login{background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#f8f4e6;box-shadow:0 2px 8px rgba(0,0,0,.3)}.btn-register{background:linear-gradient(180deg,#f5ce69 0%,#e0a83b 100%);color:#113B7A;box-shadow:0 2px 8px rgba(0,0,0,.25)}.btn-login:hover{box-shadow:0 4px 16px rgba(43,115,246,.6);transform:translateY(-1px)}.btn-register:hover{box-shadow:0 4px 16px rgba(242,193,78,.5);transform:translateY(-1px)}.btn-promo{background:linear-gradient(180deg,#F2C14E 0%,#d49e2a 100%);color:#113B7A;font-weight:800;box-shadow:0 2px 10px rgba(0,0,0,.3)}.btn-promo:hover{box-shadow:0 4px 18px rgba(242,193,78,.5);transform:translateY(-1px)}.main-nav{width:100%;min-height:52px;background:#F3F8FF;border-top:2px solid #1D5FD1;display:flex;align-items:center;justify-content:center}.main-nav .nav-container{max-width:var(--max-width);width:100%;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:.4rem;padding:8px 20px;flex-wrap:wrap}.nav-link{display:inline-block;padding:.5rem .8rem;font-size:.95rem;font-weight:600;text-decoration:none;color:#113B7A;border-radius:4px;transition:background .25s,color .25s;line-height:1.4;text-align:center}.nav-link.active,.nav-link:hover{color:#113B7A;background:#e0ecff}.mobile-action-area{display:none;background:#113B7A;border-top:2px solid #AFC4E8;padding:8px 15px}.mobile-action-container{max-width:420px;margin:0 auto;display:flex;gap:8px}.mobile-action-container .btn{flex:1}.btn-header-cta{display:none;position:fixed;right:15px;bottom:15px;z-index:1050;min-height:48px;font-size:.85rem;padding:.7rem 1.2rem}.mobile-nav-header{display:none}.mobile-menu-overlay{display:none}.hamburger-menu{display:none}.mobile-nav-close{display:none}.site-header .mobile-menu-overlay{position:fixed;top:0;left:0;width:100%;height:100vh;background:rgba(8,22,43,.6);z-index:998;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.site-header .mobile-menu-overlay.active{opacity:1;visibility:visible}@media(min-width:769px){.hamburger-menu{display:none}}body{padding-top:var(--header-offset)}@media(max-width:768px){:root{--header-offset:120px}.site-footer .footer-container{max-width:100%;padding-left:15px;padding-right:15px}.main-nav{display:none;flex-direction:column;position:fixed;top:0;left:0;bottom:auto;width:80%;max-width:300px;padding-top:60px;background:#fff;box-shadow:0 0 30px rgba(0,0,0,.2);transform:translateX(-100%);transition:transform .3s ease;overflow-y:auto;border-top:none;padding-bottom:20px;z-index:1100}.main-nav.active{display:flex;flex-direction:column;justify-content:flex-start;transform:translateX(0)}.main-nav .nav-container{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:0 15px}.nav-link{display:block;padding:12px 10px;font-size:1rem;border-bottom:1px solid rgba(244,248,255,.8);color:#0f2c4d}.nav-link.active{background:#f0f7ff}.nav-link:hover{background:#f5f9ff}.mobile-nav-header{display:flex;justify-content:space-between;align-items:center;width:100%;padding:12px 15px;border-bottom:2px solid #f2f6ff;position:absolute;top:0;left:0;right:0;z-index:5;background:#fff}.mobile-nav-title{font-weight:700;color:#113B7A;font-size:1.1rem}.mobile-nav-close{display:block;font-size:1.6rem;background:none;border:none;color:#113B7A;line-height:1;width:32px;height:32px;text-align:center;border-radius:50%;cursor:pointer}.mobile-nav-close:hover{background:#eef2ff}.hamburger-menu{display:flex;flex-direction:column;justify-content:center;align-items:center;cursor:pointer;border:0;background:none;width:40px;height:40px;padding:8px;gap:5px;z-index:1200;border-radius:4px}.hamburger-menu span{display:block;width:22px;height:2.5px;background:#fff;border-radius:3px;transition:transform .3s ease,opacity .3s ease}.hamburger-menu.active span:nth-child(1){transform:translate(0,7px) rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translate(0,-8px) rotate(-45deg)}.mobile-menu-overlay.active{display:block;opacity:1;visibility:visible}.mobile-action-area{display:block}.mobile-action-container{flex-direction:column}.mobile-action-container .btn{align-items:center}.btn-header-cta{display:block;width:auto}.page-nav::before,.module-nav::before{content:'';display:none}.header-top{min-height:60px}.header-container{padding-left:15px;padding-right:15px}.header-container{justify-content:space-between}.main-nav .nav-container{max-width:none}.mobile-menu-overlay{display:none}.site-header .mobile-menu-overlay{display:none}.site-header .mobile-menu-overlay.active{display:block}.body{padding-top:var(--header-offset)}.site-footer .footer-bottom{flex-direction:column;gap:8px}.site-footer .footer-bottom-links{justify-content:center}.site-footer .footer-copyright{text-align:center}.page-content{overflow-x:hidden;max-width:100%}.page-content img{max-width:100%!important;height:auto!important;display:block}body{overflow-x:hidden}}@media(max-width:768px){.main-nav.active{display:block!important}.main-nav.active .mobile-nav-header{order:-1}.main-nav.active .nav-container{display:flex;flex-direction:column;align-items:stretch;gap:6px;padding:0 15px}.main-nav.active .nav-link{display:block;width:100%;text-align:left;padding:12px 10px;border-bottom:1px solid #eef6ff;color:#113B7A}.main-nav.active .nav-link.active{background:#dceaff;border-left:4px solid #1D5FD1;font-weight:700}}@media(min-width:768px) and (max-width:1024px){.btn{padding:.5rem 1rem}.logo{font-size:1.6rem}}@media(max-width:360px){.btn-header-cta{display:block;left:50%;right:auto;transform:translateX(-50%)}.site-header .mobile-action-container .btn{padding:.45rem .7rem}}.site-footer .btn,.site-footer [class*="btn"]{background:transparent}.site-footer .site-footer-bottom a,.site-footer .footer-copyright a,.site-footer .footer-bottom a{color:#AFC4E8;text-decoration:none}
/* 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;
}