:root{--primary:#113B7A;--secondary:#1D5FD1;--btn-bg:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);--card-bg:#10233F;--text-main:#F3F8FF;--text-secondary:#AFC4E8;--border:#244D84;--glow:#4FA8FF;--gold:#F2C14E;--divider:#1B3357;--deep-navy:#08162B;--header-offset:122px}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:var(--deep-navy);box-shadow:0 4px 20px rgba(0,0,0,0.5);min-height:auto}.header-top{background:var(--deep-navy);width:100%}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 24px;min-height:68px}.header-top .logo{color:var(--gold);font-size:24px;font-weight:700;letter-spacing:1px;text-decoration:none;display:inline-block;text-shadow:0 0 12px rgba(242,193,78,0.3);background:linear-gradient(45deg,var(--gold),#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.site-header .logo{color:var(--gold);font-size:24px;font-weight:700;text-decoration:none;display:block}.desktop-nav-buttons{display:flex;gap:10px;align-items:center;padding:8px 0}.btn{text-decoration:none;padding:10px 22px;border-radius:6px;font-weight:600;font-size:15px;display:inline-block;color:#fff;border:1px solid rgba(255,255,255,0.2);transition:all 0.3s ease;min-height:auto}.btn-register{background:linear-gradient(180deg,#2B73F6,#1144A6);box-shadow:0 0 12px rgba(43,115,246,0.5)}.btn-login{background:linear-gradient(135deg,var(--gold),#D4A017);box-shadow:0 0 12px rgba(242,193,78,0.4);color:var(--deep-navy)}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(242,193,78,0.5)}.mobile-header-bar,.mobile-nav-buttons,.hamburger-btn,.mobile-nav-overlay{display:none}.main-nav{background:linear-gradient(90deg,#0D2B57,#113B7A);width:100%;display:flex;border-top:2px solid var(--gold)}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 15px;min-height:52px;gap:4px}.nav-container a{color:var(--text-main);text-decoration:none;padding:9px 15px;font-size:14px;font-weight:500;white-space:nowrap;border-radius:4px;transition:all 0.3s ease}.nav-container a:hover{background:rgba(242,193,78,0.15);color:var(--gold);box-shadow:0 0 12px rgba(242,193,78,0.2)}body{padding-top:var(--header-offset);margin:0}.site-footer{background:var(--deep-navy);color:var(--text-secondary);border-top:2px solid var(--gold);padding:40px 0 0}.footer-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:space-between;flex-wrap:wrap;padding:0 24px;gap:32px}.footer-brand{flex:1.5;min-width:220px}.footer-logo{color:var(--gold);font-size:26px;font-weight:700;text-decoration:none;background:linear-gradient(45deg,var(--gold),#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.footer-desc{margin-top:12px;font-size:14px;line-height:1.6}.footer-title{color:var(--text-main);font-size:17px;margin-bottom:18px;font-weight:600;text-transform:uppercase;letter-spacing:0.5px}.footer-nav{flex:0.8;min-width:150px;display:flex;flex-direction:column;gap:10px}.footer-nav a{color:var(--text-secondary);text-decoration:none;font-size:13px;transition:color 0.3s ease,transform 0.3s ease}.footer-nav a:hover{color:var(--gold);transform:translateX(4px)}.footer-contact{flex:1;min-width:200px;font-size:14px}.footer-hotline,.footer-hours{margin-bottom:8px;font-weight:500;color:var(--text-main)}.footer-bottom{border-top:1px solid var(--divider);margin-top:32px;padding:14px 24px;text-align:center;font-size:13px}.footer-copyright{margin:0;color:var(--text-secondary)}@media (max-width:768px){:root{--header-offset:110px}.site-header{background:var(--deep-navy)}.header-top{display:none}.mobile-header-bar{display:flex;align-items:center;justify-content:space-between;padding:0 12px;min-height:60px;background:var(--deep-navy)}.hamburger-btn{display:block;width:38px;height:38px;padding:5px;background:transparent;border:1px solid var(--border);border-radius:6px;cursor:pointer;position:relative;z-index:1002;flex-shrink:0}.hamburger-btn span{display:block;width:20px;height:2px;background:var(--gold);margin:5px auto;border-radius:2px;transition:all 0.3s ease}.hamburger-btn.toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger-btn.toggle span:nth-child(2){opacity:0}.hamburger-btn.toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-header-bar .logo{margin:0;background:linear-gradient(45deg,var(--gold),#fff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-spacer{width:38px}.main-nav{display:none;position:fixed;top:0;left:0;width:75%;max-width:320px;height:100vh;background:linear-gradient(180deg,var(--deep-navy),var(--primary));z-index:1001;flex-direction:column;justify-content:flex-start;align-items:flex-start;padding-top:76px;padding-left:0;transform:translateX(-100%);transition:transform 0.3s ease;box-shadow:2px 0 20px rgba(0,0,0,0.6)}.main-nav.toggle{display:block;transform:translateX(0)}.nav-container{width:100%;max-width:none;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:0;gap:0;min-height:auto}.nav-container a{display:block;width:100%;padding:14px 26px;font-size:15px;border-bottom:1px solid var(--divider);color:var(--text-main);box-sizing:border-box}.nav-container a:hover{background:rgba(242,193,78,0.1);color:var(--gold)}.mobile-nav-buttons{display:flex;flex-direction:row;gap:10px;justify-content:center;padding:12px 12px;background:var(--deep-navy);position:relative;z-index:999;width:100%;box-sizing:border-box}.mobile-nav-buttons .btn{flex:1;text-align:center;padding:10px 8px;font-size:13px;margin:0}.mobile-nav-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);z-index:998;opacity:0;visibility:hidden;transition:opacity 0.3s ease}.mobile-nav-overlay.show{opacity:1;visibility:visible}.page-content img{max-width:100% !important;height:auto !important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden;padding-top:108px}.footer-container{flex-direction:column;gap:24px;padding:0 18px;text-align:center}.footer-nav,.footer-brand,.footer-contact{align-items:center;width:100%;min-width:auto}.footer-nav a{width:auto;margin:0 auto}.footer-bottom{padding:12px 18px}.footer-logo{display:block}}@media (min-width:769px){.desktop-nav-buttons{display:flex}}
/* 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;
}