:root{--header-offset:166px;--primary-color:#113B7A;--secondary-color:#1D5FD1;--btn-gradient:linear-gradient(180deg,#2B73F6 0%,#1144A6 100%);--card-bg:#10233F;--text-main:#F3F8FF;--text-secondary:#AFC4E8;--border-color:#244D84;--glow-color:#4FA8FF;--gold-color:#F2C14E;--divider-color:#1B3357;--deep-navy:#08162B}*{margin:0;padding:0;box-sizing:border-box}body{padding-top:var(--header-offset);margin:0;background-color:var(--deep-navy);font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}.site-header{position:fixed!important;top:0!important;left:0;width:100%;z-index:1000!important;background-color:var(--deep-navy);min-height:auto;box-shadow:0 4px 20px rgba(0,0,0,0.5)}.header-top{background-color:var(--primary-color);width:100%;border-bottom:1px solid var(--border-color)}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 20px;min-height:68px}.header-left{display:flex;align-items:center;gap:8px}.hamburger-menu{display:none;background:none;border:none;cursor:pointer;padding:8px;z-index:1002;position:relative}.hamburger-menu span{display:block;width:22px;height:2px;background-color:var(--text-main);margin:5px 0;transition:all 0.3s ease;border-radius:2px}.hamburger-menu.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.logo{font-size:28px;font-weight:800;color:var(--gold-color);text-decoration:none;text-transform:uppercase;letter-spacing:2px;display:inline-block;text-shadow:0 0 15px rgba(242,193,78,0.3)}.logo:hover{color:var(--gold-color);opacity:0.9}.header-actions{display:flex;gap:10px;align-items:center}.btn{display:inline-block;padding:10px 20px;font-size:14px;font-weight:700;border-radius:6px;background:var(--btn-gradient);color:var(--text-main);text-decoration:none!important;border:none;cursor:pointer;min-height:40px;line-height:1;text-align:center;transition:all 0.3s ease;box-shadow:0 2px 8px rgba(27,51,87,0.5)}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(79,168,255,0.4);color:var(--text-main)}.btn-login{background:var(--secondary-color)}.btn-login:hover{background:#2a6ae0;box-shadow:0 4px 15px rgba(29,95,209,0.5)}.btn-download{background:linear-gradient(180deg,#f2c14e 0%,#c7952a 100%);color:var(--deep-navy)}.btn-download:hover{color:var(--deep-navy);box-shadow:0 4px 15px rgba(242,193,78,0.5)}.main-nav{background-color:var(--primary-color);width:100%;display:flex;min-height:52px;border-top:1px solid var(--divider-color)}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;width:100%;gap:5px}.main-nav a{color:var(--text-main);text-decoration:none;padding:12px 16px;font-size:15px;font-weight:600;white-space:nowrap;border-radius:4px;transition:all 0.2s ease}.main-nav a:hover{color:var(--gold-color);background-color:rgba(27,51,87,0.5)}.mobile-nav-buttons{display:none}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(8,22,43,0.7);z-index:998;opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease}.site-footer{background-color:var(--deep-navy);color:var(--text-main);border-top:1px solid var(--divider-color);padding:0 0 20px;margin-top:60px}.footer-container{max-width:1200px;margin:0 auto;padding:0 20px}.footer-columns-wrapper{display:flex;flex-wrap:wrap;gap:30px;padding:40px 0}.footer-column{flex:1;min-width:220px}.footer-brand .footer-logo{font-size:26px;font-weight:800;color:var(--gold-color);text-decoration:none;text-transform:uppercase;letter-spacing:2px;display:inline-block;margin-bottom:15px}.footer-desc{color:var(--text-secondary);font-size:15px;line-height:1.6;margin:0 0 20px}.footer-title{font-size:18px;font-weight:700;color:var(--text-main);margin-bottom:15px;padding-bottom:8px;border-bottom:1px solid var(--divider-color);position:relative}.footer-title::after{content:'';position:absolute;left:0;bottom:-1px;width:40px;height:2px;background-color:var(--gold-color)}.footer-nav{list-style:none;padding:0;margin:0}.footer-nav li{margin-bottom:10px}.footer-nav a{color:var(--text-secondary);text-decoration:none;font-size:15px;transition:color 0.2s ease}.footer-nav a:hover{color:var(--gold-color)}.footer-contact{color:var(--text-secondary);font-size:15px;line-height:1.8}.footer-bottom{border-top:1px solid var(--divider-color);padding-top:20px;text-align:center}.copyright{color:var(--text-secondary);font-size:14px;margin:0}.copyright-year{color:var(--gold-color)}#copyright-year{color:var(--gold-color)}@media (min-width:769px){.hamburger-menu{display:none!important}.mobile-nav-buttons{display:none!important}.mobile-menu-overlay{display:none!important}}@media (max-width:768px){:root{--header-offset:146px}.site-header{min-height:auto}.header-top{min-height:60px}.header-container{width:100%;max-width:none;padding:0 12px;min-height:60px;display:flex;justify-content:space-between;align-items:center;position:relative}.header-left{display:flex;align-items:center;justify-content:center;width:100%}.logo{display:inline-block;font-size:22px;margin:0;text-align:center}.hamburger-menu{display:block!important}.header-actions{display:none}.mobile-nav-buttons{display:flex;width:100%;background-color:var(--deep-navy);padding:8px 12px;gap:8px;justify-content:center;position:relative;min-height:48px}.mobile-nav-buttons .btn{flex:1;max-width:120px;padding:8px 12px;font-size:13px;min-height:36px}.main-nav{display:none;position:fixed;top:0;left:0;width:280px;height:100%;background-color:var(--deep-navy);flex-direction:column;justify-content:flex-start;transform:translateX(-100%);transition:transform 0.3s ease;z-index:1001;padding-top:60px;border-right:1px solid var(--border-color);box-shadow:none;border-top:none;min-height:100vh}.main-nav.active{display:flex;transform:translateX(0);transform:translateX(0)}.main-nav.active{display:block}.nav-container{width:280px;max-width:none;flex-direction:column;align-items:flex-start;padding:0;gap:0}.main-nav a{display:block;width:100%;padding:14px 20px;font-size:15px;border-bottom:1px solid var(--divider-color);box-sizing:border-box}.main-nav a:hover{background-color:var(--primary-color)}.mobile-menu-overlay.active{display:block;opacity:1;visibility:visible}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(8,22,43,0.7);z-index:999;opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease}body.no-scroll{overflow:hidden}.site-footer{text-align:left}.footer-columns-wrapper{flex-direction:column}.footer-column{width:100%;min-width:auto}.footer-container{width:100%;max-width:none}.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;
}