: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;}body{margin:0;padding-top:var(--header-offset);font-family:Arial,Helvetica,sans-serif;}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;background:var(--deep-navy);box-shadow:0 4px 16px rgba(0,0,0,0.5);}.header-top{width:100%;height:68px;min-height:68px;display:flex;align-items:center;overflow:hidden;box-sizing:border-box;background:var(--deep-navy);border-bottom:1px solid var(--divider);}.header-container{width:100%;max-width:1200px;height:100%;margin:0 auto;padding-left:24px;padding-right:24px;display:flex;align-items:center;justify-content:space-between;box-sizing:border-box;}.logo{display:inline-block;color:var(--gold);font-size:24px;font-weight:800;letter-spacing:1px;text-decoration:none;white-space:nowrap;}.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;}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;background:var(--btn-gradient);color:#ffffff;font-weight:700;border-radius:8px;padding:10px 22px;font-size:14px;line-height:1.2;border:1px solid rgba(79,168,255,0.35);box-shadow:0 2px 8px rgba(0,0,0,0.4);transition:transform 0.2s ease,box-shadow 0.2s ease;}.btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(79,168,255,0.5);}.btn-register{background:var(--btn-gradient);}.btn-login{background:linear-gradient(180deg,#F2C14E 0%,#C89520 100%);color:#08162B;border-color:rgba(242,193,78,0.5);}.mobile-nav-buttons{display:none;min-height:48px;box-sizing:border-box;}.main-nav{width:100%;height:52px;min-height:52px;display:flex;align-items:center;overflow:hidden;box-sizing:border-box;background:var(--primary);border-bottom:1px solid var(--divider);}.nav-container{width:100%;max-width:1200px;height:100%;margin:0 auto;padding:0 24px;display:flex;flex-direction:row;align-items:center;justify-content:center;box-sizing:border-box;position:relative;}.nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:row;align-items:center;justify-content:center;flex-wrap:nowrap;gap:6px;}.nav-list li{margin:0;padding:0;}.nav-link{display:block;color:var(--text-main);text-decoration:none;font-size:14px;font-weight:600;padding:6px 10px;border-radius:6px;white-space:nowrap;transition:color 0.2s ease,background 0.2s ease;}.nav-link:hover,.nav-link.active{color:var(--gold);background:rgba(79,168,255,0.12);}.hamburger-menu{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;background:transparent;border:none;cursor:pointer;padding:0;z-index:1001;}.hamburger-menu span{display:block;width:24px;height:2px;background:var(--text-main);border-radius:2px;transition:transform 0.3s ease,opacity 0.3s ease;}.hamburger-menu.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}.hamburger-menu.active span:nth-child(2){opacity:0;}.hamburger-menu.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}.site-footer{background:var(--deep-navy);color:var(--text-main);border-top:1px solid var(--divider);}.footer-container{max-width:1200px;margin:0 auto;padding:40px 24px 0;box-sizing:border-box;}.footer-top-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-bottom:30px;border-bottom:1px solid var(--divider);}.footer-col{min-width:0;}.footer-about{grid-column:span 1;}.footer-logo{display:inline-block;color:var(--gold);font-size:22px;font-weight:800;text-decoration:none;margin-bottom:12px;letter-spacing:1px;}.footer-description{color:var(--text-secondary);font-size:14px;line-height:1.6;margin:0;word-wrap:break-word;overflow-wrap:break-word;}.footer-heading{color:var(--gold);font-size:16px;margin:0 0 14px;font-weight:700;}.footer-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;}.footer-nav a{color:var(--text-secondary);text-decoration:none;font-size:14px;transition:color 0.2s ease;}.footer-nav a:hover{color:var(--text-main);}.footer-text{color:var(--text-secondary);font-size:14px;line-height:1.6;margin:0 0 10px;word-wrap:break-word;overflow-wrap:break-word;}.footer-dynamic-col{min-height:1px;}.footer-slot-anchor-inner{min-height:1px;}.footer-mid-section{padding:24px 0;border-bottom:1px solid var(--divider);}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:10px 0;}.footer-bottom{padding:20px 0;text-align:center;}.footer-copyright{color:var(--text-secondary);font-size:13px;margin:0;}.mobile-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.6);z-index:999;}body.no-scroll{overflow:hidden;}@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{position:absolute !important;left:50% !important;transform:translateX(-50%) !important;display:flex !important;align-items:center !important;justify-content:center !important;max-width:calc(100% - 110px);}.logo img{display:block !important;max-width:100%;height:auto;max-height:56px;}.header-top .header-container{position:relative;}.desktop-nav-buttons{display:none !important;}.mobile-nav-buttons{display:flex !important;width:100%;max-width:100%;box-sizing:border-box;padding-left:15px;padding-right:15px;overflow:hidden;gap:10px;flex-wrap:nowrap;align-items:center;justify-content:center;background:var(--deep-navy);}.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{height:48px;min-height:48px;}.nav-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;justify-content:flex-start;}.hamburger-menu{display:flex;}.nav-list{display:none;position:fixed;top:var(--header-offset);left:0;width:80%;max-width:320px;height:calc(100vh - var(--header-offset));background:var(--primary);flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:20px 16px;gap:6px;overflow-y:auto;transform:translateX(-100%);transition:transform 0.3s ease;z-index:1000;box-shadow:4px 0 16px rgba(0,0,0,0.5);}.nav-list.active,.nav-list.open{display:flex !important;transform:translateX(0);}.nav-list li{width:100%;}.nav-link{width:100%;font-size:15px;padding:10px 12px;}.mobile-overlay.active{display:block;}.footer-top-grid{grid-template-columns:1fr;gap:20px;}.footer-mid-grid{grid-template-columns:1fr;gap:12px;}.footer-container{padding-left:15px;padding-right:15px;}.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;
}