:root{--primary:#F2C14E;--secondary:#FFD36B;--bg:#0A0A0A;--card-bg:#111111;--text-main:#FFF6D6;--border:#3A2A12;--glow:#FFD36B;--btn-gradient:linear-gradient(180deg,#FFD86A 0%,#DDA11D 100%);--header-offset:122px;}
*{box-sizing:border-box;}
body{padding-top:var(--header-offset);margin:0;background:var(--bg);color:var(--text-main);font-family:'Segoe UI',Roboto,Arial,sans-serif;}
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;display:flex;flex-direction:column;background:var(--card-bg);box-shadow:0 4px 20px rgba(0,0,0,0.55);border-bottom:1px solid var(--border);}
.header-top{width:100%;background:linear-gradient(180deg,#1a1408 0%,#0f0b04 100%);border-bottom:1px solid var(--border);min-height:68px;}
.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 30px;min-height:68px;}
.logo{display:inline-block;text-decoration:none;font-weight:800;font-size:26px;letter-spacing:1px;color:var(--primary);line-height:1;white-space:nowrap;}
.logo .logo-mark{color:var(--primary);text-shadow:0 0 14px rgba(255,211,107,0.55);}
.logo .logo-text{color:var(--secondary);}
.logo:hover{opacity:0.9;}
.desktop-nav-buttons{display:flex;align-items:center;gap:12px;}
.btn{display:inline-block;text-decoration:none;font-weight:700;font-size:14px;padding:11px 22px;border-radius:8px;transition:transform 0.2s ease,box-shadow 0.2s ease;line-height:1.2;white-space:nowrap;}
.btn-primary{background:var(--btn-gradient);color:#1a1408;border:1px solid #FFD86A;box-shadow:0 4px 14px rgba(221,161,29,0.45);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(221,161,29,0.65);}
.btn-outline{background:transparent;color:var(--secondary);border:2px solid var(--primary);}
.btn-outline:hover{background:rgba(242,193,78,0.12);transform:translateY(-2px);}
.main-nav{width:100%;display:flex;background:linear-gradient(180deg,#141008 0%,#0c0905 100%);border-top:1px solid rgba(242,193,78,0.15);}
.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;min-height:52px;flex-wrap:wrap;gap:2px;}
.nav-link{display:inline-block;text-decoration:none;color:var(--text-main);font-weight:600;font-size:14px;padding:15px 13px;position:relative;transition:color 0.2s ease;white-space:nowrap;}
.nav-link:hover{color:var(--primary);}
.nav-link::after{content:'';position:absolute;left:13px;right:13px;bottom:8px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform 0.25s ease;border-radius:2px;}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);}
.hamburger-menu{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:transparent;border:1px solid var(--border);border-radius:8px;cursor:pointer;padding:10px;z-index:1001;}
.hamburger-line{display:block;width:100%;height:2px;background:var(--primary);border-radius:2px;transition:transform 0.3s ease,opacity 0.3s ease;}
.hamburger-menu.active .hamburger-line:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger-menu.active .hamburger-line:nth-child(2){opacity:0;}
.hamburger-menu.active .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-buttons-bar{display:none;}
.mobile-menu-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.65);z-index:999;opacity:0;visibility:hidden;transition:opacity 0.3s ease,visibility 0.3s ease;}
.mobile-menu-overlay.active{opacity:1;visibility:visible;}
.site-footer{background:linear-gradient(180deg,#0f0b04 0%,#080604 100%);border-top:3px solid var(--primary);color:var(--text-main);margin-top:60px;}
.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:55px 30px 40px;}
.footer-brand .footer-logo{display:inline-block;text-decoration:none;font-weight:800;font-size:26px;color:var(--primary);margin-bottom:16px;}
.footer-brand .footer-logo .logo-text{color:var(--secondary);}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,246,214,0.72);margin:0;max-width:360px;}
.footer-heading{font-size:15px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:0.6px;margin:0 0 18px;position:relative;padding-bottom:10px;}
.footer-heading::after{content:'';position:absolute;left:0;bottom:0;width:36px;height:2px;background:var(--btn-gradient);border-radius:2px;}
.footer-nav{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-nav a{display:inline-block;text-decoration:none;color:rgba(255,246,214,0.78);font-size:14px;transition:color 0.2s ease,padding-left 0.2s ease;}
.footer-nav a:hover{color:var(--primary);padding-left:4px;}
.footer-bottom{border-top:1px solid var(--border);background:#080604;}
.copyright{max-width:1200px;margin:0 auto;padding:20px 30px;font-size:13px;color:rgba(255,246,214,0.6);text-align:center;}
@media (max-width:768px){
:root{--header-offset:110px;}
.header-top{min-height:60px;}
.header-container{width:100%;max-width:none;padding:8px 15px;min-height:60px;justify-content:flex-start;gap:10px;}
.hamburger-menu{display:flex;order:1;}
.logo{order:2;flex:1;text-align:center;font-size:22px;}
.desktop-nav-buttons{display:none;}
.main-nav{display:none;position:fixed;top:0;left:0;width:78%;max-width:320px;height:100vh;background:linear-gradient(180deg,#141008 0%,#0a0703 100%);flex-direction:column;z-index:1000;transform:translateX(-100%);transition:transform 0.3s ease;box-shadow:6px 0 24px rgba(0,0,0,0.6);overflow-y:auto;padding-top:70px;}
.main-nav.active{display:block;transform:translateX(0);}
.nav-container{width:100%;max-width:none;padding:10px 0;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;}
.nav-link{display:block;padding:14px 26px;font-size:15px;border-bottom:1px solid rgba(242,193,78,0.1);}
.nav-link::after{display:none;}
.nav-link:hover{background:rgba(242,193,78,0.08);}
.mobile-buttons-bar{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:10px 15px;background:linear-gradient(180deg,#1a1408 0%,#0f0b04 100%);border-top:1px solid var(--border);z-index:1000;}
.mobile-buttons-bar .btn{flex:1;text-align:center;padding:11px 10px;font-size:13px;}
.mobile-menu-overlay{display:block;}
.footer-container{grid-template-columns:1fr;gap:30px;padding:40px 20px 30px;text-align:center;}
.footer-brand .footer-logo{margin-bottom:12px;}
.footer-desc{max-width:none;margin:0 auto;}
.footer-heading::after{left:50%;transform:translateX(-50%);}
.footer-nav{align-items:center;}
.copyright{padding:16px 20px;}
.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 (max-width:480px){
.logo{font-size:19px;}
.mobile-buttons-bar .btn{font-size:12px;padding:10px 6px;}
}
/* 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;
}