.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,0.15);font-family:'Arial',sans-serif}.header-top{background-color:#C62828;width:100%}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding-left:25px;padding-right:25px;min-height:68px}.logo{color:#ffffff;font-size:28px;font-weight:bold;text-decoration:none;letter-spacing:1px;display:block;text-transform:uppercase;text-shadow:0 1px 3px rgba(0,0,0,0.3)}.desktop-nav-buttons{display:flex;gap:10px;align-items:center}.btn{font-size:14px;font-weight:700;text-decoration:none;padding:10px 22px;border-radius:25px;border:none;cursor:pointer;color:#ffffff;background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);box-shadow:0 2px 6px rgba(229,57,53,0.4);transition:transform 0.2s ease,box-shadow 0.2s ease;display:inline-block}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(229,57,53,0.5)}.btn-login{background:linear-gradient(180deg,#FF8A80 0%,#FF5A4F 100%);box-shadow:0 2px 6px rgba(255,90,79,0.4)}.btn-login:hover{box-shadow:0 4px 12px rgba(255,90,79,0.5)}.main-nav{background-color:#ffffff;width:100%;display:flex;border-top:1px solid rgba(0,0,0,0.05);min-height:52px;position:static;transform:none;transition:transform 0.3s ease}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;gap:0;width:100%}.nav-link{display:block;padding:14px 16px 12px 16px;text-decoration:none;color:#333333;font-size:14px;font-weight:600;border-bottom:3px solid transparent;transition:color 0.2s,background-color 0.2s,border-bottom-color 0.2s;white-space:nowrap}.nav-link:hover{color:#E53935;background-color:#FFF5F5;border-bottom-color:#E53935}.hamburger-menu{display:none}.mobile-menu-overlay{display:none}.mobile-nav-buttons{display:none}.site-footer{background-color:#1A1A1A;color:#E0E0E0;font-family:'Arial',sans-serif;margin-top:0;padding-top:0}.footer-container{max-width:1200px;margin:0 auto;padding:40px 20px 15px 20px}.footer-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:30px;margin-bottom:30px}.footer-info{flex:1.5;min-width:250px}.footer-logo{font-size:26px;font-weight:bold;color:#ffffff;text-decoration:none;text-transform:uppercase;display:block;margin-bottom:15px}.footer-logo:hover{color:#FF5A4F}.footer-description{font-size:14px;line-height:1.7;color:#BDBDBD;margin-bottom:15px}.footer-contact{font-size:13px;color:#9E9E9E;margin-bottom:6px;line-height:1.6}.contact-label{color:#FF5A4F;font-weight:600}.footer-contact a{color:#ffffff;text-decoration:none}.footer-contact a:hover{color:#FF5A4F}.footer-links-column{flex:1;min-width:160px}.footer-title{font-size:16px;color:#ffffff;font-weight:bold;margin-bottom:18px;position:relative;text-transform:uppercase;letter-spacing:0.5px}.footer-title::after{content:'';display:block;width:30px;height:3px;background:linear-gradient(90deg,#FF5A4F,#E53935);margin-top:8px;border-radius:2px}.footer-nav{list-style:none;padding:0;margin:0}.footer-nav li{margin-bottom:10px}.footer-nav li a{color:#AEAEAE;font-size:14px;text-decoration:none;transition:color 0.2s,padding-left 0.2s}.footer-nav li a:hover{color:#FF5A4F;padding-left:5px}.footer-bottom{border-top:1px solid #333333;padding-top:15px;display:flex;flex-direction:column;align-items:center;gap:6px;flex-wrap:wrap}.copyright{text-align:center;color:#BDBDBD;font-size:13px;margin:0}.footer-disclaimer{text-align:center;color:#777777;font-size:12px;margin:0;line-height:1.5}.footer-bottom .copyright #copyright-year{color:#FF5A4F;font-weight:bold}.mobile-nav-buttons a.btn{min-width:120px;text-align:center}.mobile-nav-buttons.promo-row{background-color:#FFF3F2;border-top:1px solid #FFCDD2;width:100%;justify-content:center;gap:10px;padding:8px 15px;display:flex}.mobile-nav-buttons.promo-row .promo-btn{font-size:13px;padding:8px 18px;border-radius:20px;text-decoration:none;font-weight:600;background:linear-gradient(180deg,#FFD54F 0%,#FFA000 100%);color:#333333;display:inline-block}.promo-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(255,160,0,0.4)}:root{--header-offset:122px}body{padding-top:var(--header-offset);margin:0;overflow-x:hidden}@media(max-width:768px){:root{--header-offset:112px}.header-container{padding-left:15px;padding-right:15px;width:100%;max-width:none;min-height:60px;flex-wrap:wrap}.logo{font-size:22px;order:1}.desktop-nav-buttons{display:none}.main-nav{display:none;flex-direction:column;position:fixed;top:0;left:0;width:70%;max-width:300px;height:100vh;background-color:#ffffff;transform:translateX(-100%);transition:transform 0.3s ease;z-index:1002;border-top:none;overflow-y:auto;box-shadow:2px 0 15px rgba(0,0,0,0.2)}.main-nav.active{display:block;transform:translateX(0)}.main-nav .nav-link{padding:15px 20px;border-bottom:1px solid #F5F5F5;font-size:15px;display:block;width:100%;border-left:4px solid transparent}.main-nav .nav-link:hover{border-left:4px solid #E53935}.nav-container{flex-direction:column;justify-content:flex-start;gap:0;width:100%;max-width:none;padding:0;align-items:stretch}.hamburger-menu{display:block;position:fixed;top:12px;left:15px;z-index:1003;width:34px;height:34px;background:rgba(255,255,255,0.15);border:1.5px solid rgba(255,255,255,0.7);border-radius:5px;padding:6px;box-sizing:border-box;cursor:pointer;margin:0}.hamburger-menu span{display:block;width:100%;height:2px;background-color:#ffffff;margin:4px 0;transition:all 0.3s ease;border-radius:1px}.hamburger-menu.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}.hamburger-menu.active span:nth-child(2){opacity:0}.hamburger-menu.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.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:1004;opacity:0;transition:opacity 0.3s ease}.mobile-menu-overlay.active{display:block;opacity:1}.mobile-nav-buttons{display:flex;position:relative;top:auto;left:auto;right:auto;background-color:#C62828;border-top:1px solid #E57373;justify-content:center;gap:8px;padding:8px 15px;z-index:999;width:100%;flex-wrap:wrap}.mobile-nav-buttons .btn{padding:6px 16px;font-size:13px;display:block}.site-header{min-height:60px}.header-top{min-height:60px}.mobile-nav-buttons.promo-row{font-size:13px}.site-footer{text-align:center}.footer-grid{flex-direction:column;align-items:center;text-align:center;gap:25px}.footer-info,.footer-links-column{min-width:100%}.footer-title::after{margin-left:auto;margin-right:auto}.footer-nav li a:hover{padding-left:0}.footer-bottom{flex-direction:column;gap:8px}.page-content img{max-width:100% !important;height:auto !important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}}.promo-highlight{background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);color:#ffffff;padding:12px 20px;border-radius:8px;font-weight:600;text-align:center;max-width:1200px;margin:0 auto 20px auto}.promo-text{color:#FFD700;font-weight:bold}.footer-nav li a.mobile-login,.footer-nav li a.mobile-register{display:none}.header-top{flex-wrap:wrap}.footer-bottom{flex-direction:column}
/* 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;
}