.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;box-shadow:0 4px 20px rgba(0,0,0,.15);background:#fff}.header-top{background:#017439;width:100%;border-bottom:2px solid #f0c040}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 24px;min-height:68px}.logo{display:inline-block;font-size:26px;font-weight:900;color:#fff;text-decoration:none;text-transform:uppercase;letter-spacing:1px;line-height:1.2}.logo:hover{color:#ffd700}.header-actions{display:flex;align-items:center;gap:8px}.desktop-nav-buttons{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:6px;font-weight:700;padding:10px 18px;font-size:14px;text-decoration:none!important;transition:all .3s ease;cursor:pointer;letter-spacing:.5px}.btn-login{background:#ffd700;color:#c30808}.btn-login:hover{background:#fff;transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,215,0,.4)}.btn-register{background:#c30808;color:#ffff00;border:2px solid #a00606}.btn-register:hover{background:#a00606;transform:translateY(-2px);box-shadow:0 4px 12px rgba(195,8,8,.4)}.btn-download{background:#c30808;color:#ffff00;border:2px solid #a00606}.btn-download:hover{background:#a00606;transform:translateY(-2px)}.main-nav{background:#024d26;width:100%;display:flex;position:static;flex-direction:row;transition:transform .3s ease}.main-nav.active{display:flex;position:fixed;top:68px;left:0;width:280px;height:100vh;flex-direction:column;transform:translateX(0);background:#024d26;padding-top:20px;z-index:1005}.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:0}.nav-container .nav-link{color:#fff;text-decoration:none;font-weight:600;padding:14px 15px;font-size:15px;border-bottom:3px solid transparent;transition:all .3s ease;white-space:nowrap;display:block}.nav-container .nav-link:hover{color:#ffd700;border-bottom-color:#ffd700}.hamburger-menu{display:none;cursor:pointer;width:32px;height:32px;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:5px;z-index:1002;transition:all .3s ease}.hamburger-menu span{display:block;width:22px;height:3px;background:#fff;border-radius:3px;transition:all .3s ease}.hamburger-menu.active span:nth-child(1){transform:translateY(9px) rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.mobile-menu-overlay{display:none}.mobile-nav-buttons{display:none}.site-footer{background:#024d26;color:#fff;padding-top:50px;width:100%}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:0 24px 40px}.footer-column{display:flex;flex-direction:column;gap:12px}.footer-logo{font-size:28px;font-weight:900;color:#fff;text-decoration:none;text-transform:uppercase;margin-bottom:10px}.footer-logo:hover{color:#ffd700}.footer-desc{font-size:14px;line-height:1.7;opacity:.9;margin-bottom:10px}.footer-title{font-size:18px;font-weight:700;color:#ffd700;margin-bottom:15px;text-transform:uppercase;letter-spacing:1px}.footer-column a{color:#e0e0e0;text-decoration:none;font-size:14px;line-height:1.8;transition:color .3s ease}.footer-column a:hover{color:#ffd700;padding-left:5px}.footer-copyright{font-size:14px;border-top:1px solid rgba(255,255,255,.2);padding-top:15px;margin-top:15px;text-align:left}.footer-contact p{font-size:14px;margin-bottom:5px;opacity:.9}.footer-hotline{background:#c30808;color:#ffff00!important;padding:10px 15px;border-radius:6px;font-weight:700;display:inline-block;margin-top:5px;text-align:center;font-size:14px;text-decoration:none!important}.footer-hotline:hover{background:#ffd700!important;color:#c30808!important;padding-left:15px!important}@media (max-width:768px){.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000}.header-top{background:#017439;min-height:60px}.header-container{width:100%;max-width:none;padding:0 15px;min-height:60px;display:flex;justify-content:space-between;align-items:center}.logo{font-size:20px}.header-actions{display:flex;align-items:center;gap:10px}.desktop-nav-buttons{display:none}.hamburger-menu{display:flex;order:3}.mobile-nav-buttons{display:flex;background:#024d26;padding:10px 15px;gap:8px;justify-content:center;min-height:48px;box-shadow:0 2px 8px rgba(0,0,0,.2)}.mobile-nav-buttons .btn{flex:1;padding:10px 8px;font-size:13px}.btn-download{display:inline-flex}.main-nav{display:none;position:fixed;top:60px;left:0;width:280px;height:100vh;flex-direction:column;background:#024d26;padding-top:20px;z-index:1005;transform:translateX(-100%);transition:transform .3s ease;box-shadow:4px 0 20px rgba(0,0,0,.3);overflow-y:auto}.main-nav.active{display:flex;transform:translateX(0)}.main-nav.active .nav-container{display:flex;flex-direction:column;width:100%;padding:0;max-width:none}.main-nav.active .nav-container .nav-link{width:100%;text-align:left;padding:15px 25px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.1);border-left:4px solid transparent}.main-nav.active .nav-container .nav-link:hover{border-left-color:#ffd700;background:rgba(255,255,255,.05)}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.6);z-index:1000}.mobile-menu-overlay.active{display:block}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}.footer-container{width:100%;max-width:none;grid-template-columns:1fr;padding:0 20px 30px}}
/* 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;
}