.site-header{position:fixed;top:0;left:0;width:100%;min-height:auto;z-index:1000;background-color:#08162B;box-shadow:0 4px 20px rgba(0,0,0,0.7),0 0 15px rgba(79,168,255,0.15);font-family:'Segoe UI',Tahoma,Arial,sans-serif}.header-top{width:100%;background:linear-gradient(180deg,#0A1F3D 0%,#113B7A 100%);min-height:68px;display:flex;align-items:center}.header-container{max-width:1200px;width:100%;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:8px 28px;gap:15px}.logo{display:inline-block;text-decoration:none;font-size:30px;font-weight:900;color:#F3F8FF;letter-spacing:1px;text-transform:lowercase;line-height:1.2;background:linear-gradient(135deg,#F2C14E 0%,#F2C14E 30%,#4FA8FF 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 20px rgba(242,193,78,0.2);white-space:nowrap}.desktop-nav-buttons{display:flex;gap:10px;align-items:center}.btn{display:inline-block;text-decoration:none;border:none;padding:10px 22px;font-size:14px;font-weight:600;border-radius:30px;cursor:pointer;color:#F3F8FF;transition:all 0.3s ease;letter-spacing:0.3px;font-family:'Segoe UI',Tahoma,Arial,sans-serif;text-shadow:0 1px 2px rgba(0,0,0,0.3)}.btn-primary{background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);box-shadow:0 4px 14px rgba(43,115,246,0.4)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(43,115,246,0.5)}.btn-secondary{background:#182F4D;border:1px solid #4FA8FF;box-shadow:0 4px 10px rgba(0,0,0,0.2)}.btn-secondary:hover{transform:translateY(-2px);background:#1D3A5F;border-color:#F2C14E}.btn-download{background:linear-gradient(135deg,#F2C14E 0%,#E09E1F 100%);color:#08162B;box-shadow:0 4px 12px rgba(242,193,78,0.35);text-shadow:none}.btn-download:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(242,193,78,0.45)}.main-nav{display:flex;width:100%;background-color:#10233F;min-height:52px;align-items:center;justify-content:center;border-top:1px solid #244D84;border-bottom:1px solid #1B3357}.nav-container{max-width:1200px;width:100%;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;gap:4px;padding:8px 20px;flex-wrap:wrap}.nav-link{text-decoration:none;color:#F3F8FF;font-size:14px;font-weight:600;padding:6px 15px;border-radius:20px;transition:all 0.3s ease;white-space:nowrap;font-family:'Segoe UI',Tahoma,Arial,sans-serif}.nav-link:hover{background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#ffffff;box-shadow:0 4px 12px rgba(43,115,246,0.3)}.nav-link.active{background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#ffffff}.mobile-menu-overlay{display:none}.mobile-nav-buttons{display:none}.hamburger-menu{display:none}.site-footer{background-color:#08162B;border-top:2px solid #244D84;margin-top:0;font-family:'Segoe UI',Tahoma,Arial,sans-serif;position:relative;z-index:500}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:45px 25px 30px}.footer-brand .footer-logo{display:inline-block;font-size:32px;font-weight:900;text-decoration:none;color:#F3F8FF;text-transform:lowercase;background:linear-gradient(135deg,#F2C14E 0%,#4FA8FF 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.footer-desc{color:#AFC4E8;font-size:14px;line-height:1.7;margin-top:14px;margin-bottom:14px}.footer-age-badge{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:2px solid #F2C14E;border-radius:50%;color:#F2C14E;font-size:14px;font-weight:700}.footer-title{color:#F2C14E;font-size:16px;font-weight:600;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid #1B3357;letter-spacing:0.5px}.footer-nav{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.footer-nav li a{color:#AFC4E8;font-size:14px;text-decoration:none;transition:color 0.3s ease;padding:3px 0;display:inline-block}.footer-nav li a:hover{color:#F2C14E;padding-left:5px;transition:padding 0.3s ease,color 0.3s ease}.footer-bottom{border-top:1px solid #1B3357;padding:20px 25px;display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;gap:10px;flex-wrap:wrap}.copyright-text{color:#AFC4E8;font-size:14px;margin:0}.footer-disclaimer{color:#AFC4E8;font-size:13px;margin:0;border:1px solid #244D84;height:30px;width:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-weight:700}:root{--header-offset:122px}body{padding-top:var(--header-offset)}@media(max-width:768px){:root{--header-offset:110px}.header-top{min-height:60px}.header-container{width:100%;max-width:none;padding:8px 60px 8px 60px}.logo{font-size:26px}.desktop-nav-buttons{display:none}.mobile-nav-buttons{display:flex;gap:8px;justify-content:center;align-items:center;padding:6px 12px;background-color:#0A1F3D;border-top:1px solid #244D84;flex-wrap:wrap}.mobile-nav-buttons .btn{flex:1;min-width:100px;padding:8px 12px;font-size:13px;text-align:center}.main-nav{display:none;position:fixed;top:0;left:0;width:70%;max-width:320px;height:100vh;height:100dvh;flex-direction:column;justify-content:flex-start;align-items:flex-start;background-color:#10233F;z-index:1001;padding-top:60px;box-shadow:4px 0 30px rgba(0,0,0,0.6);transition:transform 0.3s ease-in-out;transform:translateX(-100%);border-top:none;overflow-y:auto}.main-nav.active{display:flex;transform:translateX(0);box-shadow:6px 0 40px rgba(0,0,0,0.8)}.main-nav .nav-container{flex-direction:column;justify-content:flex-start;width:100%;padding:10px;gap:2px}.main-nav .nav-link{display:block;width:100%;padding:12px 15px;border-radius:8px;font-size:15px;color:#F3F8FF;border-bottom:1px solid rgba(36,77,132,0.4)}.main-nav .nav-link:hover{background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);color:#ffffff}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(8,22,43,0.85);z-index:1000}.mobile-menu-overlay.active{display:block}.hamburger-menu{display:flex;position:fixed;top:42px;left:15px;transform:translateY(-50%);flex-direction:column;justify-content:center;align-items:center;width:36px;height:36px;background-color:rgba(16,35,63,0.9);border:1px solid #244D84;border-radius:8px;cursor:pointer;z-index:1002;padding:8px;gap:5px;box-shadow:0 2px 10px rgba(0,0,0,0.4)}.hamburger-menu span{display:block;width:100%;height:2px;background-color:#F3F8FF;transition:all 0.3s ease;border-radius:2px}.hamburger-menu.active span:nth-child(1){transform:rotate(45deg) translateX(0px) translateY(7px);background-color:#F2C14E}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:rotate(-45deg) translateX(0px) translateY(-7px);background-color:#F2C14E}.footer-container{grid-template-columns:1fr 1fr;gap:25px;padding:40px 20px 20px}.footer-bottom{flex-direction:column;justify-content:center}.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;
}