.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;box-shadow:0 2px 10px rgba(0,0,0,0.15);background:#ffffff}.header-top{background:#c62828;width:100%}.header-bottom{background:#ffffff;width:100%}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 20px;min-height:68px}.header-container--bottom{min-height:52px;position:relative}.logo{color:#ffffff;font-size:26px;font-weight:900;text-decoration:none;text-transform:uppercase;letter-spacing:1px;order:1;display:inline-block;line-height:1.2}.logo--mobile{display:none}.desktop-nav-buttons{display:flex;gap:10px;order:2}.btn{display:inline-block;padding:8px 24px;border-radius:22px;font-size:14px;font-weight:700;text-decoration:none;color:#ffffff;background:linear-gradient(180deg,#FF5A4F 0%,#E53935 100%);border:none;cursor:pointer;transition:all 0.3s ease;line-height:1.4}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(229,57,53,0.4)}.btn-login{background:linear-gradient(180deg,#ffffff 0%,#f5f5f5 100%);color:#c62828}.btn-login:hover{box-shadow:0 4px 15px rgba(255,255,255,0.4)}.main-nav{width:100%;display:flex;flex-direction:row;background:#ffffff;border-top:2px solid #E53935;position:static;transform:none}.main-nav .nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;gap:4px;padding:0 20px;width:100%}.nav-link{color:#333333;font-size:13px;font-weight:600;text-decoration:none;padding:14px 12px;display:inline-block;transition:color 0.3s ease,border-color 0.3s ease;border-bottom:3px solid transparent;line-height:1.4;text-transform:uppercase;letter-spacing:0.3px}.nav-link:hover{color:#E53935;border-bottom-color:#E53935}.hamburger-menu{display:none;background:none;border:none;cursor:pointer;padding:8px;z-index:1002;flex-direction:column;gap:5px;align-items:center;justify-content:center;min-width:44px;min-height:44px}.hamburger-line{display:block;width:24px;height:2px;background:#ffffff;transition:transform 0.3s ease,opacity 0.3s ease}.mobile-menu-overlay{display:none}.mobile-nav-buttons{display:none}body{padding-top:var(--header-offset,122px);margin:0}@media(max-width:768px){:root{--header-offset:146px}.site-header{background:#c62828}.header-top{display:none}.header-bottom{background:#c62828}.header-container{width:100%;max-width:none;padding:0 12px;min-height:60px;position:relative}.header-container--bottom{background:#c62828}.logo--mobile{display:inline-block;color:#ffffff;margin:0 auto;font-size:24px;position:absolute;left:50%;transform:translateX(-50%);top:50%;margin-top:-14px}.desktop-nav-buttons{display:none}.mobile-nav-buttons{display:flex;justify-content:center;align-items:center;gap:8px;width:100%;padding:8px 12px 10px;background:#c62828;min-height:48px}.mobile-nav-buttons .btn{padding:6px 16px;font-size:12px}.hamburger-menu{display:flex;order:1;margin-right:auto}.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)}.main-nav{display:none;flex-direction:column;position:fixed;top:0;left:0;width:280px;height:100vh;background:#ffffff;transform:translateX(-100%);transition:transform 0.3s ease;z-index:1001;border-top:none;box-shadow:2px 0 15px rgba(0,0,0,0.2);overflow-y:auto}.main-nav.active{display:flex;transform:translateX(0)}.main-nav .nav-container{flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:0;width:100%;max-width:none;padding:60px 0 20px}.nav-link{color:#333333;width:100%;padding:12px 24px;font-size:15px;border-bottom:1px solid #eeeeee;text-transform:none}.nav-link:hover{color:#E53935;background:#fafafa}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:1000;transition:opacity 0.3s ease}.mobile-menu-overlay.active{display:block}.site-footer{padding:0 12px}.page-content img{max-width:100%!important;height:auto!important;display:block}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}}.site-footer{background:#1a1a2e;color:#ffffff;padding:50px 20px 20px;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr 1fr 0.8fr;gap:30px}.footer-column h3.footer-title{color:#ffffff;font-size:17px;font-weight:700;margin:0 0 18px;text-transform:uppercase;letter-spacing:0.5px;position:relative;padding-bottom:10px}.footer-column h3.footer-title::after{content:'';position:absolute;left:0;bottom:0;width:40px;height:2px;background:linear-gradient(90deg,#FF5A4F,#E53935);border-radius:2px}.footer-logo{color:#ffffff;font-size:28px;font-weight:900;text-decoration:none;text-transform:uppercase;letter-spacing:1px;display:inline-block;margin-bottom:15px}.footer-desc{font-size:14px;line-height:1.7;color:#b0b0c0;margin:0 0 15px}.footer-hotline,.footer-age,.footer-copy-text{font-size:14px;color:#b0b0c0;margin:8px 0;line-height:1.6}.footer-nav{display:flex;flex-direction:column;gap:10px}.footer-nav a{color:#b0b0c0;text-decoration:none;font-size:14px;transition:color 0.3s ease,padding-left 0.3s ease;line-height:1.6}.footer-nav a:hover{color:#FF5A4F;padding-left:5px}.footer-nav--legal a{font-size:13px}.site-footer a:not(.footer-logo){color:#b0b0c0;text-decoration:none}.site-footer a:not(.footer-logo):hover{color:#FF5A4F}@media(max-width:768px){.footer-container{grid-template-columns:1fr;gap:25px}.footer-column{padding:0 10px}.footer-nav{align-items:flex-start}.footer-brand{text-align:center}.footer-brand .footer-logo{margin-left:auto;margin-right:auto}.footer-title{text-align:left}}
/* 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;
}