:root{--primary:#113B7A;--secondary:#1D5FD1;--card-bg:#10233F;--text-main:#F3F8FF;--text-secondary:#AFC4E8;--border:#244D84;--glow:#4FA8FF;--gold:#F2C14E;--divider:#1B3357;--deep-navy:#08162B;--btn-gradient:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);--header-offset:122px;}*{box-sizing:border-box;margin:0;padding:0;}body{padding-top:var(--header-offset);font-family:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;background:var(--deep-navy);color:var(--text-main);overflow-x:hidden;}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;box-shadow:0 4px 18px rgba(0,0,0,0.55);background:var(--primary);}.header-top{width:100%;height:68px;min-height:68px;display:flex;align-items:center;overflow:hidden;background:var(--primary);}.header-container{width:100%;height:100%;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:28px;padding-right:28px;}.logo{display:inline-block;font-size:28px;font-weight:800;letter-spacing:1px;color:var(--gold);text-decoration:none;line-height:1;text-shadow:0 1px 4px rgba(0,0,0,0.4);}.logo img{display:block;max-height:60px;height:auto;width:auto;max-width:280px;object-fit:contain;}.desktop-nav-buttons{display:flex;align-items:center;gap:12px;}.mobile-nav-buttons{display:none;min-height:48px;box-sizing:border-box;}.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;text-decoration:none;border-radius:8px;background:var(--btn-gradient);color:#FFFFFF;font-weight:700;border:1px solid var(--glow);box-shadow:0 3px 10px rgba(79,168,255,0.35);transition:box-shadow .2s ease,transform .2s ease;cursor:pointer;}.btn:hover{box-shadow:0 5px 16px rgba(79,168,255,0.6);transform:translateY(-1px);}.desktop-nav-buttons .btn{padding:9px 20px;font-size:14px;}.btn-login{background:linear-gradient(180deg,#3A86FF 0%,#1D5FD1 100%);border-color:var(--glow);}.btn-register{background:var(--btn-gradient);border-color:var(--gold);color:#FFF6DF;}.main-nav{width:100%;height:52px;min-height:52px;display:flex;align-items:center;overflow:hidden;background:var(--deep-navy);border-top:1px solid var(--divider);}.nav-container{width:100%;height:100%;max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;gap:6px;padding:0 20px;flex-wrap:nowrap;overflow-x:auto;}.nav-link{display:inline-block;padding:8px 12px;font-size:14px;font-weight:600;color:var(--text-secondary);text-decoration:none;border-radius:6px;white-space:nowrap;transition:color .2s ease,background .2s ease;}.nav-link:hover,.nav-link.active{color:var(--gold);background:rgba(79,168,255,0.12);}.hamburger-menu{display:none;position:absolute;top:14px;left:15px;width:40px;height:40px;background:transparent;border:none;cursor:pointer;z-index:1001;flex-direction:column;justify-content:center;align-items:center;gap:5px;}.hamburger-menu span{display:block;width:26px;height:3px;background:var(--gold);border-radius:2px;transition:transform .3s ease,opacity .3s ease;}.hamburger-menu.active span:nth-child(1){transform:translateY(8px) rotate(45deg);}.hamburger-menu.active span:nth-child(2){opacity:0;}.hamburger-menu.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}.site-footer{background:var(--deep-navy);color:var(--text-main);border-top:3px solid var(--gold);}.footer-container{max-width:1200px;margin:0 auto;padding:0 24px;}.footer-top{padding:44px 0 26px;}.footer-top-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;align-items:start;}.footer-col{min-width:0;}.footer-logo{display:inline-block;font-size:26px;font-weight:800;color:var(--gold);text-decoration:none;margin-bottom:12px;letter-spacing:1px;}.footer-description{font-size:14px;line-height:1.7;color:var(--text-secondary);word-wrap:break-word;overflow-wrap:break-word;margin-bottom:12px;}.footer-heading{font-size:16px;font-weight:700;color:var(--text-main);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--divider);}.footer-nav{list-style:none;padding:0;margin:0 0 12px;}.footer-nav li{margin-bottom:8px;}.footer-nav a{color:var(--text-secondary);text-decoration:none;font-size:14px;line-height:1.5;transition:color .2s ease;}.footer-nav a:hover{color:var(--gold);}.footer-text{font-size:13.5px;line-height:1.7;color:var(--text-secondary);margin-bottom:12px;word-wrap:break-word;overflow-wrap:break-word;}.footer-dynamic-col{min-height:1px;}.footer-slot-anchor,.footer-slot-anchor-inner{display:block;width:100%;}.footer-mid{background:var(--card-bg);border-top:1px solid var(--divider);border-bottom:1px solid var(--divider);padding:26px 0;}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}.footer-bottom{background:var(--primary);padding:16px 0;}.footer-copyright{text-align:center;font-size:13px;color:var(--text-main);line-height:1.6;}.footer-copyright span{color:var(--gold);font-weight:700;}@media (max-width:768px){:root{--header-offset:110px;}.header-top{height:60px;min-height:60px;}.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;}.logo{display:flex;justify-content:center;align-items:center;flex:1;}.logo img{max-height:56px;max-width:100%;height:auto;}.desktop-nav-buttons{display:none !important;}.mobile-nav-buttons{display:flex !important;align-items:center;justify-content:center;width:100%;max-width:100%;box-sizing:border-box;padding-left:15px;padding-right:15px;overflow:hidden;gap:10px;flex-wrap:nowrap;height:48px;}.mobile-nav-buttons .btn{flex:1;min-width:0;max-width:calc(50% - 5px);box-sizing:border-box;padding:8px 12px;font-size:13px;white-space:normal;word-wrap:break-word;overflow-wrap:break-word;}.main-nav{display:none;position:fixed;top:0;left:0;bottom:0;width:82%;max-width:320px;height:100vh;min-height:100vh;background:var(--deep-navy);border-top:none;border-right:1px solid var(--border);box-shadow:8px 0 26px rgba(0,0,0,0.65);transform:translateX(-100%);transition:transform .3s ease;z-index:1001;overflow-y:auto;}.main-nav.active{display:block;transform:translateX(0);}.nav-container{flex-direction:column;justify-content:flex-start;align-items:stretch;width:100%;max-width:none;height:auto;padding:76px 16px 30px;gap:4px;overflow-x:visible;}.nav-link{display:block;padding:12px 14px;font-size:15px;border-radius:8px;white-space:normal;}.hamburger-menu{display:flex;}.footer-top-grid{grid-template-columns:1fr;gap:22px;}.footer-mid-grid{grid-template-columns:repeat(2,1fr);gap:14px;}.footer-container{padding:0 16px;}.footer-top{padding:32px 0 20px;}.page-content img{max-width:100% !important;height:auto !important;display:block;}.page-content{overflow-x:hidden;max-width:100%;}body{overflow-x:hidden;}}.mobile-nav-overlay{position:fixed;inset:0;background:rgba(4,10,20,0.7);z-index:999;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;}.mobile-nav-overlay.active{opacity:1;visibility:visible;}body.no-scroll{overflow: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;
}