:root{--header-offset:166px;--primary:#FF8C1A;--secondary:#FFA53A;--btn-bg:linear-gradient(180deg,#FFA53A 0%,#D96800 100%);--card-bg:#17191F;--bg-color:#0D0E12;--text-main:#FFF3E6;--border-color:#A84F0C;--glow:#FFB04D;--deep-orange:#D96800}.site-header{position:fixed;top:0;left:0;width:100%;min-height:auto;background:#17191F;box-shadow:0 4px 20px rgba(0,0,0,0.7);z-index:1000}.header-top{width:100%;background:linear-gradient(135deg,#1c1e26 0%,#17191F 100%);border-bottom:2px solid #A84F0C;min-height:68px;display:flex;align-items:center}.header-container{max-width:1200px;margin:0 auto;width:100%;display:flex;justify-content:space-between;align-items:center;padding-left:20px;padding-right:20px;gap:20px;min-height:68px}.logo{font-size:2.2rem;font-weight:900;color:#FF8C1A;text-shadow:0 0 10px rgba(255,140,26,0.5);letter-spacing:-1px;text-decoration:none;line-height:1.2;flex-shrink:0}.logo:hover{color:#FFA53A}.header-top .header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}.btn{text-decoration:none;display:inline-block;padding:10px 22px;border-radius:6px;font-weight:700;font-size:0.85rem;line-height:1;border:1px solid #A84F0C;color:#FFF3E6;text-align:center;min-height:40px}.btn-download{background:linear-gradient(135deg,#2a2d36 0%,#1c1e26 100%);border:1px solid #A84F0C;color:#FFF3E6}.btn-primary{background:linear-gradient(180deg,#FFA53A 0%,#D96800 100%);border:1px solid #FFA53A;box-shadow:0 0 12px rgba(255,176,77,0.4);color:#0D0E12}.btn-secondary{background:linear-gradient(180deg,#FF8C1A 0%,#A84F0C 100%);border:1px solid #FF8C1A;color:#FFF3E6}.btn-primary:hover,.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,176,77,0.3);color:#0D0E12}.main-nav{display:flex;width:100%;background:#1c1e26;border-bottom:1px solid #A84F0C;min-height:52px}.nav-container{max-width:1200px;width:100%;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;gap:2px;padding:0 16px;min-height:52px}.nav-link{text-decoration:none;color:#FFF3E6;font-size:0.9rem;font-weight:600;padding:10px 12px;border-radius:4px;white-space:nowrap;line-height:1.2}.nav-link:hover{color:#FF8C1A;background:rgba(255,140,26,0.1)}.nav-link.active{color:#FF8C1A;box-shadow:inset 0 2px 0 #FF8C1A}.mobile-nav-buttons{display:none}.hamburger-menu{display:none;background:transparent;border:none;cursor:pointer;padding:10px;margin-left:auto}.hamburger-menu span{display:block;width:23px;height:3px;background:#FFA53A;margin:5px 0;border-radius:3px;transition:transform 0.3s ease,opacity 0.3s ease}.mobile-menu-overlay{display:none}@media (max-width:768px){:root{--header-offset:148px}.header-top{min-height:60px}.header-container{width:100%;max-width:none;flex-wrap:wrap;min-height:60px;padding-left:15px;padding-right:15px;position:relative}.logo{font-size:1.8rem;flex:1;text-align:center}.hamburger-menu{display:block;margin-left:0;order:-1;z-index:1001}.header-actions{display:none}.mobile-nav-buttons{display:flex;width:100%;justify-content:center;align-items:center;gap:6px;padding:8px 10px;background:#17191F;flex-wrap:wrap}.mobile-nav-buttons .btn{flex:1;max-width:200px;padding:8px 10px;min-height:38px}.main-nav{display:none;flex-direction:column;position:fixed;top:0;left:0;height:100vh;width:280px;max-width:85vw;background:#14151a;box-shadow:2px 0 15px rgba(0,0,0,0.5);transform:translateX(-100%);transition:transform 0.3s ease;z-index:1400;overflow-y:auto;padding-top:50px}.main-nav.active{display:block;transform:translateX(0)}.nav-container{max-width:none;width:100%;flex-direction:column;justify-content:flex-start;gap:2px;padding:15px;min-height:auto}.nav-link{width:100%;text-align:left;padding:12px 8px;border-bottom:1px solid rgba(255,255,255,0.05);font-size:0.95rem}.nav-link.active{background:rgba(255,140,26,0.2)}.mobile-menu-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:1300;display:none}.mobile-menu-overlay.active{display:block}.hamburger-menu.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}}@media (min-width:769px){.main-nav{display:flex}.header-actions{display:flex}}body{padding-top:var(--header-offset)}.site-footer{background:#17191F;border-top:2px solid #A84F0C;margin-top:60px}.footer-container{max-width:1200px;margin:0 auto;padding:30px 20px;display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.footer-brand{flex:1;max-width:300px}.footer-logo{font-size:1.8rem;font-weight:900;color:#FF8C1A;text-decoration:none;text-shadow:0 0 10px rgba(255,140,26,0.4)}.footer-desc{color:#FFF3E6;opacity:0.8;font-size:0.85rem;line-height:1.6;margin-top:12px}.site-footer h4{color:#FF8C1A;font-size:0.95rem;text-transform:uppercase;letter-spacing:1px;margin-bottom:12px;padding-bottom:6px;border-bottom:1px solid #A84F0C}.footer-nav ul{list-style:none;padding:0;margin:0}.footer-links li{margin-bottom:6px}.footer-links a{color:#FFF3E6;text-decoration:none;font-size:0.9rem;transition:color 0.3s,opacity 0.3s}.footer-links a:hover{color:#FFA53A;opacity:0.9}.footer-bottom{background:#0D0E12;padding:12px 10px;text-align:center;font-size:0.8rem;color:#FFF3E6;opacity:0.7;border-top:1px solid #A84F0C}@media (max-width:768px){.site-footer .footer-container{width:100%;flex-direction:column;padding:20px 15px}.footer-brand{max-width:100%}.footer-bottom{padding:8px 10px}}
/* 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;
}