.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;box-shadow:0 4px 15px rgba(0,0,0,0.6);border-bottom:2px solid #FFD36B;}.header-top{background:#111111;width:100%;}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 25px;min-height:68px;}.logo{color:#FFF6D6;font-size:26px;font-weight:900;text-decoration:none;text-transform:uppercase;letter-spacing:1px;text-shadow:0 0 15px #FFD36B;display:inline-block;}.desktop-nav-buttons{display:flex;gap:12px;align-items:center;}.main-nav{background:#0A0A0A;width:100%;display:flex;border-top:1px solid #3A2A12;}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:8px 25px;width:100%;}.nav-link{color:#FFF6D6;text-decoration:none;font-size:15px;font-weight:600;padding:10px 18px;border-radius:4px;transition:color 0.3s, background 0.3s;}.nav-link:hover{color:#0A0A0A;background:#F2C14E;}.mobile-nav-buttons{display:none;background:#111111;border-top:1px solid #3A2A12;padding:10px;gap:10px;}.btn{display:inline-block;padding:10px 24px;border-radius:6px;text-decoration:none;font-weight:800;font-size:15px;transition:transform 0.2s, filter 0.2s;}.btn:hover{transform:translateY(-2px);filter:brightness(1.1);}.btn-register{background:linear-gradient(180deg,#FFD86A 0%,#DDA11D 100%);color:#0A0A0A;}.btn-login{background:#111111;color:#FFD36B;border:2px solid #F2C14E;}.btn-download{background:#F2C14E;color:#0A0A0A;}.hamburger-menu{display:none;position:absolute;top:12px;left:15px;background:transparent;border:none;cursor:pointer;z-index:1001;width:40px;height:40px;padding:8px;flex-direction:column;justify-content:space-between;}.hamburger-menu .bar{display:block;height:3px;width:100%;background:#FFD36B;border-radius:3px;transition:transform 0.4s ease,opacity 0.3s ease;}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(10,10,10,0.85);z-index:999;opacity:0;transition:opacity 0.4s ease;}.mobile-menu-overlay.active{display:block;opacity:1;}.site-footer{background:#0A0A0A;border-top:3px solid #F2C14E;margin-top:40px;}.footer-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;gap:30px;padding:45px 25px 30px;flex-wrap:wrap;}.footer-column{flex:1;min-width:220px;}.footer-brand{flex:1.5;}.footer-logo{color:#FFD36B;font-size:20px;font-weight:900;text-transform:uppercase;text-decoration:none;letter-spacing:1px;text-shadow:0 0 10px rgba(242,193,78,0.5);}.footer-description{color:#FFF6D6;font-size:13px;line-height:1.6;margin-top:15px;opacity:0.8;max-width:280px;}.footer-heading{color:#F2C14E;font-size:17px;margin-bottom:18px;font-weight:700;}.footer-nav{list-style:none;padding:0;margin:0;}.footer-nav li{margin-bottom:10px;}.footer-nav a{color:#FFF6D6;text-decoration:none;font-size:14px;transition:color 0.3s;}.footer-nav a:hover{color:#FFD36B;}.footer-bottom{background:#111111;border-top:1px solid #3A2A12;text-align:center;padding:18px 20px;}.copyright{color:#FFF6D6;font-size:13px;margin:0;opacity:0.7;}:root{--header-offset:122px;}body{padding-top:var(--header-offset);}body{overflow-x:hidden;}@media(max-width:768px){:root{--header-offset:164px;}.header-container{width:100%;max-width:none;padding:0 65px;min-height:60px;justify-content:center;}.logo{font-size:22px;}.nav-container{width:100%;max-width:none;padding:10px 0;}.desktop-nav-buttons{display:none;}.mobile-nav-buttons{display:flex;justify-content:center;align-items:center;}.mobile-nav-buttons .btn{padding:8px 16px;font-size:14px;}.main-nav{display:none;position:fixed;top:148px;right:0;bottom:0;left:0;width:280px;max-width:85%;height:auto;height:calc(100vh - 148px);background:#111111;flex-direction:column;justify-content:flex-start;align-items:stretch;overflow-y:auto;border-right:2px solid #F2C14E;z-index:1000;transform:translateX(-100%);transition:transform 0.4s ease-in-out;}.main-nav.active{display:flex;transform:translateX(0);}.nav-container{flex-direction:column;gap:0;padding:15px 0;}.nav-link{display:block;width:100%;padding:15px 25px;border-bottom:1px solid #3A2A12;font-size:16px;color:#FFF6D6;}.nav-link:hover{background:#0A0A0A;color:#FFD36B;}.hamburger-menu{display:block;top:10px;left:12px;}.hamburger-menu.active .bar:nth-child(1){transform:translateY(8px) rotate(45deg);background:#F2C14E;}.hamburger-menu.active .bar:nth-child(2){opacity:0;}.hamburger-menu.active .bar:nth-child(3){transform:translateY(-8px) rotate(-45deg);background:#F2C14E;}.mobile-menu-overlay.active{display:block;animation:fadeInOverlay 0.4s ease;}.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{flex-direction:column;gap:25px;padding:35px 20px 20px;}.footer-column{min-width:100%;}.footer-bottom{padding:15px 10px;}.copyright{font-size:12px;}}@keyframes fadeInOverlay{from{opacity:0;}to{opacity:1;}}@media(min-width:1300px){.header-container,.nav-container,.footer-container{max-width:1280px;}}
/* 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;
}