:root{--primary:#E53935;--secondary:#FF5A4F;--btn-gradient:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);--card-bg:#FFFFFF;--bg:#F5F7FA;--text-main:#333333;--border:#E0E0E0;--header-offset:122px;--footer-bg:#1F1313;--footer-text:#E8E8E8;--footer-muted:#B9A8A8;}*,*::before,*::after{box-sizing:border-box;}body{padding-top:var(--header-offset);margin:0;font-family:'Segoe UI',Roboto,Arial,sans-serif;color:var(--text-main);background:var(--bg);}a{text-decoration:none;}img{max-width:100%;}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;box-shadow:0 4px 18px rgba(0,0,0,0.22);background:#fff;overflow-x:hidden;max-width:100%;}.header-top{box-sizing:border-box;height:68px;min-height:68px;display:flex;align-items:center;overflow:hidden;background:#2A1313;width:100%;border-bottom:1px solid var(--border);}.header-container{box-sizing:border-box;width:100%;height:100%;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:28px;padding-right:28px;}.logo{display:inline-block;font-size:30px;font-weight:900;letter-spacing:2px;color:#fff;text-shadow:0 2px 6px rgba(229,57,53,0.6);line-height:1;}.logo:hover{color:var(--secondary);}.desktop-nav-buttons{display:flex;gap:12px;align-items:center;}.btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;background:var(--btn-gradient);color:#fff;font-weight:700;font-size:14px;padding:10px 22px;border-radius:8px;border:none;cursor:pointer;text-decoration:none;box-shadow:0 3px 10px rgba(229,57,53,0.35);transition:transform 0.2s ease,box-shadow 0.2s ease;white-space:nowrap;}.btn:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(229,57,53,0.5);}.btn-login{background:#fff;color:var(--primary);border:2px solid var(--secondary);box-shadow:0 3px 10px rgba(0,0,0,0.2);}.btn-login:hover{background:#FFF2F1;color:var(--primary);}.btn-register{background:var(--btn-gradient);color:#fff;}.mobile-nav-buttons{box-sizing:border-box;display:none;min-height:48px;}.main-nav{box-sizing:border-box;height:52px;min-height:52px;display:flex;align-items:center;overflow:hidden;background:var(--primary);width:100%;}.nav-container{box-sizing:border-box;height:100%;max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;gap:4px;}.nav-link{display:inline-flex;align-items:center;height:100%;padding:0 12px;font-size:14px;font-weight:600;color:#fff;white-space:nowrap;position:relative;transition:background 0.2s ease,color 0.2s ease;}.nav-link:hover{background:rgba(255,255,255,0.18);color:#fff;}.nav-link.active{background:#B71C1C;color:#fff;border-radius:4px;}.hamburger-menu{display:none;flex-direction:column;justify-content:space-between;width:30px;height:24px;background:transparent;border:none;cursor:pointer;padding:0;z-index:1002;}.hamburger-menu span{display:block;width:100%;height:3px;background:#fff;border-radius:3px;transition:transform 0.3s ease,opacity 0.3s ease;}.hamburger-menu.active span:nth-child(1){transform:translateY(10.5px) rotate(45deg);}.hamburger-menu.active span:nth-child(2){opacity:0;}.hamburger-menu.active span:nth-child(3){transform:translateY(-10.5px) rotate(-45deg);}.nav-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.55);z-index:999;opacity:0;transition:opacity 0.3s ease;}.nav-overlay.active{display:block;opacity:1;}.site-footer{background:var(--footer-bg);color:var(--footer-text);margin-top:60px;font-size:14px;line-height:1.7;}.footer-container{max-width:1200px;margin:0 auto;padding:0 28px;width:100%;}.footer-top{padding:48px 0 24px;border-bottom:1px solid rgba(255,255,255,0.1);}.footer-top-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px;}.footer-col{min-width:0;}.footer-logo{display:inline-block;font-size:28px;font-weight:900;letter-spacing:2px;color:#fff;margin-bottom:14px;text-shadow:0 2px 6px rgba(229,57,53,0.6);}.footer-logo:hover{color:var(--secondary);}.footer-description{color:var(--footer-muted);font-size:14px;word-wrap:break-word;overflow-wrap:break-word;margin:0;}.footer-heading{color:#fff;font-size:16px;font-weight:700;margin:0 0 14px;position:relative;padding-bottom:10px;}.footer-heading::after{content:'';position:absolute;left:0;bottom:0;width:36px;height:3px;background:var(--btn-gradient);border-radius:2px;}.footer-nav{list-style:none;margin:0;padding:0;}.footer-nav li{margin-bottom:9px;}.footer-nav a{color:var(--footer-muted);font-size:14px;transition:color 0.2s ease,padding-left 0.2s ease;}.footer-nav a:hover{color:var(--secondary);padding-left:4px;}.footer-mid{padding:24px 0;border-bottom:1px solid rgba(255,255,255,0.1);}.footer-mid-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}.footer-slot-anchor-inner{min-height:1px;display:block;}.footer-bottom-anchor{padding:16px 0 0;}.footer-bottom{padding:18px 0 24px;}.footer-copyright{text-align:center;color:var(--footer-muted);font-size:13px;margin:0;}.no-scroll{overflow:hidden;}@media (max-width:768px){:root{--header-offset:110px;}.header-top{height:60px !important;min-height:60px !important;}.header-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;position:relative;height:100%;}.logo{position:absolute !important;left:50% !important;transform:translateX(-50%) !important;display:flex !important;align-items:center !important;justify-content:center !important;max-width:calc(100% - 120px);font-size:26px !important;}.desktop-nav-buttons{display:none !important;}.mobile-nav-buttons{display:flex !important;align-items:center;justify-content:center;min-height:48px;width:100%;max-width:100%;box-sizing:border-box;padding:6px 15px;overflow:hidden;gap:10px;flex-wrap:nowrap;background:#3A1A1A;}.mobile-nav-buttons .btn{flex:1;min-width:0;max-width:calc(50% - 5px);box-sizing:border-box;padding:8px 12px;font-size:13px;white-space:normal;word-wrap:break-word;overflow-wrap:break-word;}.hamburger-menu{display:flex;position:relative;z-index:2;}.main-nav{min-height:48px !important;height:48px !important;}.nav-container{width:100%;max-width:none;padding-left:15px;padding-right:15px;}.main-nav{display:none;position:fixed;top:0;left:0;bottom:0;width:78%;max-width:320px;height:100% !important;min-height:100% !important;flex-direction:column;justify-content:flex-start;align-items:stretch;background:#2A1313;z-index:1001;transform:translateX(-100%);transition:transform 0.3s ease;padding-top:80px;overflow-y:auto;}.main-nav.active{display:flex;transform:translateX(0);}.nav-container{display:flex;flex-direction:column;justify-content:flex-start;align-items:stretch;height:auto;padding:0 18px 24px;gap:2px;}.nav-link{display:block;width:100%;height:auto;padding:13px 12px;font-size:15px;border-radius:6px;box-sizing:border-box;}.nav-link.active{background:#B71C1C;}.nav-overlay{display:none;}.nav-overlay.active{display:block;opacity:1;}.footer-top-grid{grid-template-columns:1fr;gap:24px;}.footer-mid-grid{grid-template-columns:repeat(2,1fr);}.footer-container{padding:0 16px;}.footer-top{padding:36px 0 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;}}
/* 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;
}