:root{--primary:#FF8C1A;--secondary:#FFA53A;--button-grad:linear-gradient(180deg,#FFA53A 0%,#D96800 100%);--card-bg:#17191F;--bg-dark:#0D0E12;--text-main:#FFF3E6;--border:#A84F0C;--glow:#FFB04D;--deep-orange:#D96800;--header-offset:122px;--nav-bg:#1a1b20;--header-top-bg:#232530;--link-hover:#16314b;--footer-bg:#17191F;}*{box-sizing:border-box;margin:0;padding:0;}body{font-family:'Segoe UI',Arial,sans-serif;background:var(--bg-dark);color:var(--text-main);line-height:1.6;padding-top:var(--header-offset);overflow-x:hidden;}a{text-decoration:none;color:inherit;}ul{list-style:none;}.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;display:flex;flex-direction:column;box-shadow:0 4px 20px rgba(0,0,0,0.5);border-bottom:2px solid var(--border);}.header-top{background-color:var(--header-top-bg);width:100%;min-height:68px;display:flex;align-items:center;}.header-container{max-width:1200px;width:100%;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:8px 30px;}.logo{font-size:30px;font-weight:900;letter-spacing:2px;color:#FFD4A0;text-transform:uppercase;text-shadow:0 0 10px var(--glow);transition:color 0.3s;}.logo:hover{color:#fff;}.desktop-nav-buttons{display:flex;gap:12px;align-items:center;}.btn{display:inline-block;padding:10px 20px;border-radius:8px;font-weight:700;font-size:15px;text-decoration:none;border:none;cursor:pointer;transition:all 0.3s;background:var(--button-grad);color:#fff;box-shadow:0 2px 8px rgba(217,104,0,0.4);}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(255,176,77,0.6);}.btn-login{background:transparent;border:2px solid var(--primary);color:var(--primary);box-shadow:none;}.btn-login:hover{background:var(--primary);color:#fff;}.main-nav{width:100%;background-color:var(--nav-bg);min-height:52px;display:flex;align-items:center;box-shadow:0 2px 8px rgba(0,0,0,0.3);}.nav-container{max-width:1200px;width:100%;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;padding:4px 12px;gap:2px;}.nav-link{color:#ddd;font-weight:500;padding:8px 12px;border-radius:4px;font-size:15px;transition:all 0.3s;position:relative;}.nav-link:hover,.nav-link.active{color:#fff;background-color:rgba(255,140,26,0.15);text-shadow:0 0 5px rgba(255,176,77,0.5);}.nav-link.active::after{content:'';position:absolute;bottom:0;left:20%;right:20%;height:2px;background:var(--primary);border-radius:2px;}.hamburger-menu{display:none;}.mobile-nav-buttons{display:none;}.mobile-menu-overlay{display:none;}@media (max-width:768px){:root{--header-offset:110px;}.header-top{background-color:#1f2028;min-height:60px;}.header-container{width:100%;max-width:none;padding:8px 15px;}.hamburger-menu{display:block;background:none;border:none;cursor:pointer;padding:8px;margin-right:8px;z-index:1002;position:relative;}.hamburger-menu span{display:block;width:24px;height:2px;background:var(--text-main);position:relative;transition:all 0.3s ease;}.hamburger-menu span::before,.hamburger-menu span::after{content:'';position:absolute;width:24px;height:2px;background:var(--text-main);transition:all 0.3s ease;top:-7px;}.hamburger-menu span::after{top:7px;}.hamburger-menu.active span{background:transparent;}.hamburger-menu.active span::before{transform:rotate(45deg);top:0;}.hamburger-menu.active span::after{transform:rotate(-45deg);top:0;}.header-container{display:flex;justify-content:space-between;align-items:center;flex-wrap:nowrap;}.logo{margin:0 auto;font-size:22px;}.desktop-nav-buttons{display:none;}.main-nav{display:block;position:fixed;top:0;right:0;left:auto;width:320px;height:100vh;background-color:var(--nav-bg);transform:translateX(100%);transition:transform 0.4s ease;z-index:1001;align-items:flex-start;overflow-y:auto;box-shadow:-4px 0 20px rgba(0,0,0,0.6);min-height:100vh;min-height:100dvh;}.main-nav.active{display:block;transform:translateX(0);}.nav-container{display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;padding:20px;gap:4px;max-width:none;}.nav-link{padding:12px 16px;font-size:16px;border-bottom:1px solid rgba(255,255,255,0.1);width:100%;}.nav-link.active::after{display:none;}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,0.6);z-index:999;}.mobile-menu-overlay.active{display:block;}.mobile-nav-buttons{display:flex;gap:12px;justify-content:center;align-items:center;padding:12px 15px;background-color:var(--header-top-bg);border-top:1px solid var(--border);box-shadow:0 2px 8px rgba(0,0,0,0.2);flex-wrap:wrap;min-height:48px;z-index:1000;}body{padding-top:var(--header-offset);}.mobile-nav-buttons .btn{padding:8px 16px;font-size:14px;}.btn-login{background:transparent;border:2px solid var(--primary);color:var(--primary);}.page-content img{max-width:100%!important;height:auto!important;display:block;}.page-content{overflow-x:hidden;max-width:100%;}body{overflow-x:hidden;}}
/* 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;
}