.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:#B71C1C;box-shadow:0 4px 12px rgba(0,0,0,0.5);min-height:auto;font-family:Arial,Helvetica,sans-serif}.header-top{width:100%;background:linear-gradient(90deg,#7A0E0E 0%,#B71C1C 100%);border-bottom:2px solid #F2B544}.header-container{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:10px 24px;gap:20px}.logo{font-size:28px;font-weight:900;color:#FFF5E1;text-decoration:none;letter-spacing:2px;text-shadow:0 0 10px rgba(255,204,102,0.6);text-transform:uppercase;flex-shrink:0}.logo:hover{color:#F4D34D}.desktop-nav-buttons{display:flex;align-items:center;justify-content:flex-end;gap:12px}.btn{display:inline-block;text-decoration:none;padding:10px 24px;border-radius:30px;font-size:14px;font-weight:700;text-align:center;transition:all 0.3s ease;border:none;cursor:pointer;min-width:100px;letter-spacing:0.5px}.btn-register{background:linear-gradient(180deg,#FFD86A 0%,#E6B800 100%);color:#7A0E0E;box-shadow:0 2px 8px rgba(255,216,106,0.4)}.btn-register:hover{box-shadow:0 4px 16px rgba(255,216,106,0.7);transform:translateY(-1px);color:#C91F17}.btn-login{background:linear-gradient(180deg,#E53935 0%,#C91F17 100%);color:#FFF5E1;border:1px solid #F2B544;box-shadow:0 2px 8px rgba(201,31,23,0.3)}.btn-login:hover{background:linear-gradient(180deg,#C91F17 0%,#7A0E0E 100%);box-shadow:0 4px 16px rgba(201,31,23,0.6);transform:translateY(-1px)}.btn-download{background:linear-gradient(180deg,#F4D34D 0%,#D4A017 100%);color:#7A0E0E;border:1px solid #FFD86A;box-shadow:0 2px 8px rgba(244,211,77,0.4)}.btn-download:hover{box-shadow:0 4px 16px rgba(244,211,77,0.7);transform:translateY(-1px)}.main-nav{width:100%;background:#C91F17;display:flex;border-bottom:1px solid rgba(244,211,77,0.3)}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;flex-direction:row;align-items:center;gap:4px;width:100%;flex-wrap:wrap}.nav-link{color:#FFF5E1;text-decoration:none;padding:10px 19px;font-size:14px;font-weight:600;border-radius:4px;transition:background 0.3s,color 0.3s;white-space:nowrap;display:inline-block}.nav-link:hover{background:rgba(255,245,225,0.15);color:#F4D34D}.nav-link.active{background:#7A0E0E;color:#FFE082;box-shadow:inset 0 -2px 0 #F4D34D}.mobile-nav-buttons{display:none}.hamburger-menu{display:none}.mobile-menu-overlay{display:none}.site-footer{background:linear-gradient(180deg,#7A0E0E 0%,#B71C1C 70%,#7A0E0E 100%);color:#FFF5E1;padding:40px 0 0;margin-top:40px;font-family:Arial,Helvetica,sans-serif;border-top:3px solid #F2B544}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;padding:0 20px 30px}.footer-column{min-width:0}.footer-brand .footer-logo{font-size:24px;font-weight:900;color:#F4D34D;text-decoration:none;letter-spacing:1px;text-transform:uppercase;text-shadow:0 2px 4px rgba(0,0,0,0.3);display:inline-block;margin-bottom:12px}.footer-brand p{font-size:13px;line-height:1.6;color:rgba(255,245,225,0.85);margin:8px 0}.footer-brand .footer-license{font-size:12px;color:#F4D34D;border-left:3px solid #F2B544;padding-left:8px;margin-top:12px}.footer-column h4{color:#F4D34D;font-size:16px;margin-bottom:15px;padding-bottom:8px;border-bottom:1px solid rgba(244,211,77,0.3);text-transform:uppercase;letter-spacing:1px}.footer-nav{display:flex;flex-direction:column;gap:10px}.footer-nav a{color:rgba(255,245,225,0.8);text-decoration:none;font-size:13px;transition:all 0.3s;padding:4px 0;position:relative}.footer-nav a:before{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:#F4D34D;transition:width 0.3s}.footer-nav a:hover{color:#F4D34D;padding-left:8px}.footer-nav a:hover:before{width:20px}.footer-contact p{font-size:13px;line-height:1.6;color:rgba(255,245,225,0.8);margin:8px 0}.footer-contact strong{color:#F4D34D}.footer-contact .hotline-link{color:#FFF5E1;text-decoration:none;font-weight:700;background:#C91F17;padding:6px 16px;border-radius:20px;display:inline-block;margin:4px 8px 4px 0;border:1px solid #F2B544;transition:all 0.3s}.footer-contact .hotline-link:hover{background:#B71C1C;transform:scale(1.05);color:#FFE082}.footer-badges{display:flex;gap:10px;margin-top:15px;flex-wrap:wrap}.footer-badges .badge-license,.footer-badges .badge-security{display:inline-block;padding:5px 12px;background:rgba(255,255,255,0.1);border:1px solid rgba(244,211,77,0.4);border-radius:20px;font-size:11px;font-weight:700;color:#F4D34D;letter-spacing:0.5px}.footer-bottom{border-top:1px solid rgba(244,211,77,0.2);padding:20px 0;text-align:center}.footer-bottom .copyright-text{font-size:14px;color:#FFF5E1;margin:0 0 5px;letter-spacing:0.5px}.footer-bottom .footer-quote{font-size:12px;color:rgba(255,245,225,0.7);margin:0;font-style:italic}.site-footer .footer-nav a:hover,.site-footer .footer-brand a:hover,.site-footer .footer-column a:not(.hotline-link):hover{outline:none}.footer-column .footer-nav a:focus,.site-footer a:focus{outline:2px solid #F4D34D;outline-offset:2px}@media (max-width:768px){.header-top{background:linear-gradient(90deg,#7A0E0E 0%,#B71C1C 100%)}.header-container{width:100%;max-width:none;padding:10px 15px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;position:relative}.logo{font-size:22px;order:2;flex:1;margin:0 10px;text-align:center}.hamburger-menu{display:flex;order:1;width:40px;height:40px;padding:0;border:none;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:6px;z-index:1001;flex-shrink:0;position:relative}.hamburger-line{display:block;width:26px;height:3px;background:#FFF5E1;border-radius:3px;transition:transform 0.3s ease,opacity 0.3s ease}.hamburger-menu.active .hamburger-line:nth-child(1){transform:translateY(9px) rotate(45deg)}.hamburger-menu.active .hamburger-line:nth-child(2){opacity:0;transform:translateX(-10px)}.hamburger-menu.active .hamburger-line:nth-child(3){transform:translateY(-9px) rotate(-45deg)}.desktop-nav-buttons{display:none}.main-nav{display:none;position:fixed;top:0;left:0;transform:translateX(-100%);transition:transform 0.3s ease;z-index:1000;background:#C91F17;width:100%;min-height:100vh;border-bottom:none;overflow-y:auto;box-shadow:2px 0 10px rgba(0,0,0,0.3)}.main-nav.active{display:block;transform:translateX(0)}.nav-container{max-width:none;width:100%;display:flex;flex-direction:column;justify-content:flex-start;align-items:center;gap:0;padding:70px 10px 20px}.nav-link{font-size:16px;padding:12px 20px;width:90%;text-align:center;border-bottom:1px solid rgba(244,211,77,0.1);border-radius:40px}.nav-link:hover{background:#7A0E0E;border-radius:40px}.mobile-nav-buttons{display:flex;flex-direction:row;justify-content:center;flex-wrap:wrap;gap:10px;width:100%;margin-top:20px;padding:0 10px}.mobile-nav-buttons .btn{background:linear-gradient(180deg,#FFD86A 0%,#E6B800 100%);color:#7A0E0E;margin:0;font-size:13px;padding:9px 14px;min-width:80px;flex:1;max-width:120px}.mobile-menu-overlay{display:none}.mobile-menu-overlay.active{display:block;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.7);z-index:999}.site-footer{padding:30px 0 0}.footer-container{grid-template-columns:1fr;gap:25px}.header-container .mobile-nav-buttons{order:3;width:100%;margin-top:12px}.site-header{min-height:auto;position:fixed}.header-top,.main-nav{width:100%}}
/* 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;
}