.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:#08162B;box-shadow:0 4px 20px rgba(0,0,0,0.6);font-family:Arial,sans-serif}.header-top{background:#08162B;width:100%}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 30px;min-height:68px}.logo{font-size:32px;font-weight:900;color:#F2C14E;text-decoration:none;letter-spacing:2px;text-transform:uppercase;display:block;line-height:1.2}.logo:hover{color:#F2C14E;text-decoration:none}.desktop-nav-buttons{display:flex;gap:12px;align-items:center}.mobile-nav-buttons{display:none}.main-nav{background:#113B7A;width:100%;display:flex;border-bottom:3px solid #F2C14E;min-height:52px}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:10px 20px;gap:4px;flex-wrap:wrap;width:100%}.nav-link{display:inline-block;padding:8px 17px;color:#F3F8FF;font-size:15px;font-weight:600;text-decoration:none;border-radius:4px;transition:color 0.3s,background-color 0.3s;background:#113B7A;line-height:1.4}.nav-link:hover{color:#F2C14E;background:#1D5FD1;text-decoration:none}.header-top .header-container .logo{color:#F2C14E}.btn{display:inline-block;padding:10px 25px;border-radius:6px;font-size:15px;font-weight:700;text-decoration:none;cursor:pointer;border:none;transition:all 0.3s ease;text-align:center;color:#fff;text-decoration:none;line-height:1.4;box-shadow:0 4px 12px rgba(0,0,0,0.2)}.btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,0.3)}.btn-login{background:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);border:1px solid #4FA8FF}.btn-login:hover{background:linear-gradient(180deg,#1144A6 0%,#2B73F6 100%);color:#fff}.btn-register{background:linear-gradient(180deg,#F2C14E 0%,#D4A032 100%);color:#08162B;border:1px solid #F2C14E}.btn-register:hover{background:linear-gradient(180deg,#D4A032 0%,#F2C14E 100%);color:#08162B}.hamburger-menu{display:none}.mobile-menu-overlay{display:none}.site-footer{background:#08162B;color:#AFC4E8;padding:50px 20px 20px;border-top:4px solid #F2C14E;font-family:Arial,sans-serif}.footer-container{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}.footer-column{flex:1;min-width:200px}.footer-brand{flex:1.4;min-width:250px}.footer-logo{font-size:36px;font-weight:900;color:#F2C14E;text-decoration:none;letter-spacing:2px;text-transform:uppercase;display:inline-block;margin-bottom:15px}.footer-logo:hover{color:#F2C14E}.footer-description{font-size:14px;line-height:1.7;color:#AFC4E8;margin:0;text-align:left}.footer-column h4{color:#F3F8FF;font-size:18px;margin-bottom:20px;font-weight:700;border-bottom:2px solid #F2C14E;padding-bottom:10px;display:inline-block}.footer-column ul{list-style:none;padding:0;margin:0}.footer-column ul li{margin-bottom:10px}.footer-column ul li a{color:#AFC4E8;text-decoration:none;font-size:14px;transition:color 0.3s, padding-left 0.3s}.footer-column ul li a:hover{color:#F2C14E;padding-left:8px;text-decoration:none}.footer-bottom{border-top:1px solid #1B3357;margin-top:40px;padding-top:20px;text-align:center;color:#AFC4E8;font-size:14px}.footer-bottom p{margin:0;padding:0 10px;color:#AFC4E8}.footer-bottom span{color:#F3F8FF}:root{--header-offset:122px}body{padding-top:var(--header-offset)}@media(max-width:768px){:root{--header-offset:144px}.header-top{position:relative;z-index:1002;background:#08162B}.header-container{width:100%;max-width:none;padding:10px 15px;display:flex;justify-content:space-between;align-items:center;min-height:60px}.logo{margin:0;font-size:26px;text-align:center;flex:1}.desktop-nav-buttons{display:none}.hamburger-menu{display:flex;flex-direction:column;justify-content:center;align-items:center;width:42px;height:42px;cursor:pointer;z-index:1003;position:relative;order:0;background:transparent;padding:8px;gap:5px}.hamburger-menu span{display:block;width:100%;height:3px;background:#F2C14E;transition:all 0.3s ease;border-radius:2px}.hamburger-menu.active span:nth-child(1){transform:translateY(8px) rotate(45deg);background:#F2C14E}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg);background:#F2C14E}.mobile-nav-buttons{display:flex;justify-content:center;gap:10px;padding:8px 15px;background:#0A1E3F;border-top:1px solid #244D84;z-index:1001;flex-wrap:wrap}.mobile-nav-buttons .btn{flex:1;max-width:220px;font-size:14px;padding:8px 12px;margin:0}.main-nav{display:none;position:fixed;top:0;left:0;width:80%;height:100vh;background:#08162B;flex-direction:column;justify-content:flex-start;z-index:1002;padding-top:80px;border-right:2px solid #F2C14E;transition:transform 0.3s ease;transform:translateX(-100%)}.main-nav.active{display:block;transform:translateX(0)}.nav-container{display:flex;flex-direction:column;justify-content:flex-start;padding:20px;gap:0;max-width:none;width:100%;align-items:stretch}.nav-link{display:block;padding:14px 20px;color:#F3F8FF;font-size:16px;font-weight:500;text-align:left;border-bottom:1px solid #1B3357;background:transparent}.nav-link:hover{background:#113B7A;color:#F2C14E;padding-left:25px}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);z-index:1001;opacity:0;visibility:hidden;transition:opacity 0.3s ease}.mobile-menu-overlay.active{display:block;opacity:1;visibility:visible}.footer-container{flex-direction:column;gap:30px}.footer-column{min-width:100%;text-align:center}.footer-brand{text-align:center}.footer-description{text-align:center}.footer-column h4{display:block;text-align:center}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}.page-content img{max-width:100% !important;height:auto !important;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;
}