.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:#B71C1C;box-shadow:0 4px 20px rgba(0,0,0,0.5),0 0 15px rgba(242,181,68,0.3);border-bottom:2px solid #F2B544;min-height:auto}.header-top{background:linear-gradient(135deg,#7A0E0E 0%,#B71C1C 100%);width:100%}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 20px;min-height:46px}.logo{font-size:28px;font-weight:900;color:#FFF5E1;text-decoration:none;letter-spacing:1px;background:linear-gradient(135deg,#F4D34D 0%,#FFD86A 50%,#E6B800 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 2px 10px rgba(244,211,77,0.2);line-height:1.2}.desktop-nav-buttons{display:flex;gap:10px;align-items:center}.desktop-nav-buttons .btn{text-decoration:none;padding:8px 18px;border-radius:6px;font-size:14px;font-weight:700;display:inline-block;transition:all 0.3s ease;border:1px solid rgba(255,255,255,0.2)}.desktop-nav-buttons .btn-login{background:linear-gradient(180deg,#FFD86A 0%,#E6B800 100%);color:#7A0E0E;border:1px solid #F2B544}.desktop-nav-buttons .btn-login:hover{background:linear-gradient(180deg,#E6B800 0%,#FFD86A 100%);transform:translateY(-2px);box-shadow:0 4px 15px rgba(244,211,77,0.4)}.desktop-nav-buttons .btn-register{background:linear-gradient(135deg,#C91F17 0%,#E53935 100%);color:#FFF5E1;border:1px solid #F2B544}.desktop-nav-buttons .btn-register:hover{background:linear-gradient(135deg,#E53935 0%,#C91F17 100%);transform:translateY(-2px);box-shadow:0 4px 15px rgba(201,31,23,0.4)}.desktop-nav-buttons .btn-download{background:linear-gradient(180deg,#FFD86A 0%,#E6B800 100%);color:#7A0E0E;border:1px solid #F2B544}.desktop-nav-buttons .btn-download:hover{background:linear-gradient(180deg,#E6B800 0%,#FFD86A 100%);transform:translateY(-2px);box-shadow:0 4px 15px rgba(244,211,77,0.4)}.main-nav{width:100%;display:flex;background:linear-gradient(180deg,#7A0E0E 0%,#B71C1C 100%);border-top:1px solid rgba(242,181,68,0.3);border-bottom:1px solid rgba(242,181,68,0.2)}.nav-container{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;justify-content:center;align-items:center;padding:0 20px;flex-wrap:nowrap;min-height:50px}.nav-link{color:#FFF5E1;text-decoration:none;padding:12px 12px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:0.3px;transition:all 0.3s ease;white-space:nowrap;position:relative}.nav-link:hover,.nav-link.active{color:#F4D34D}.nav-link:hover::after,.nav-link.active::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60%;height:3px;background:#F4D34D;border-radius:2px 2px 0 0;box-shadow:0 0 8px rgba(244,211,77,0.5)}.mobile-nav-buttons{display:none}.hamburger-menu{display:none}.mobile-menu-overlay{display:none}:root{--header-offset:164px}body{padding-top:var(--header-offset)}.page-content img{max-width:100%;height:auto}.page-content{overflow-x:hidden;max-width:100%}body{overflow-x:hidden}.site-footer{background:linear-gradient(180deg,#7A0E0E 0%,#B71C1C 50%,#7A0E0E 100%);color:#FFF5E1;border-top:3px solid #F2B544;margin-top:0}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px;padding:40px 20px}.footer-brand .footer-logo{font-size:28px;font-weight:900;color:#F4D34D;text-decoration:none;letter-spacing:1px;display:inline-block;margin-bottom:15px}.footer-description{font-size:13px;line-height:1.6;color:rgba(255,245,225,0.9);margin-bottom:15px}.footer-certificates{display:flex;flex-wrap:wrap;gap:8px}.certificate-badge{background:rgba(244,211,77,0.15);border:1px solid rgba(244,211,77,0.3);color:#F4D34D;padding:3px 10px;border-radius:4px;font-size:11px}.footer-heading{font-size:16px;font-weight:700;color:#F4D34D;margin:0 0 15px;letter-spacing:0.5px;text-transform:uppercase}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin-bottom:8px}.footer-links a{color:rgba(255,245,225,0.85);text-decoration:none;font-size:13px;transition:all 0.3s ease;padding:2px 0}.footer-links a:hover{color:#F4D34D;padding-left:5px}.footer-hotline{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,0.05);padding:10px 12px;border-radius:8px;margin-top:15px;border:1px solid rgba(242,181,68,0.2)}.hotline-icon{font-size:20px;color:#F4D34D}.hotline-info{display:flex;flex-direction:column}.hotline-label{font-size:11px;text-transform:uppercase;letter-spacing:0.5px;opacity:0.8}.hotline-number{font-size:18px;font-weight:700;color:#F4D34D}.footer-bottom{background:rgba(0,0,0,0.3);border-top:1px solid rgba(255,255,255,0.1);padding:15px 0;min-height:44px}.footer-bottom-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:0 20px;font-size:13px}.copyright-text{color:rgba(255,245,225,0.9)}.footer-legal-links{display:flex;align-items:center;gap:8px}.footer-legal-links a{color:rgba(255,245,225,0.85);text-decoration:none;font-size:13px}.footer-legal-links a:hover{color:#F4D34D}.footer-legal-links .divider{opacity:0.5}.page-content .page-index,.page-content .page-the-thao,.page-content .page-game-bai,.page-content .page-tin-tuc,.page-content .page-khuyen-mai,.page-content .page-no-hu,.page-content .page-tai-xiu,.page-content .page-lo-de,.page-content .page-da-ga,.page-content .page-ban-ca,.page-content .page-contact,.page-content .page-about,.page-content .page-blog{min-height:auto}.footer-nav{display:flex;flex-direction:column;gap:8px}.footer-nav .footer-links{display:flex;flex-direction:column;gap:8px}@media(max-width:768px){:root{--header-offset:146px}.site-header{position:fixed}.header-top{background:linear-gradient(135deg,#7A0E0E 0%,#B71C1C 100%)}.header-container{width:100%;max-width:none;padding:10px 15px;justify-content:space-between;min-height:60px;position:relative}.logo{font-size:24px;flex:1;text-align:center}.desktop-nav-buttons{display:none}.main-nav{display:none;position:fixed;top:0;left:0;width:80%;height:100vh;background:linear-gradient(180deg,#7A0E0E 0%,#B71C1C 100%);z-index:1002;transform:translateX(-100%);transition:transform 0.3s ease;overflow-y:auto;padding-top:60px;box-shadow:4px 0 20px rgba(0,0,0,0.5)}.main-nav.active{display:flex;transform:translateX(0);flex-direction:column}.nav-container{width:100%;max-width:none;flex-direction:column;align-items:flex-start;padding:10px;gap:0}.nav-link{display:block;width:100%;padding:14px 15px;border-bottom:1px solid rgba(255,255,255,0.1);font-size:14px}.nav-link:hover,.nav-link.active{background:rgba(244,211,77,0.1);color:#F4D34D}.nav-link:hover::after,.nav-link.active::after{display:none}.mobile-nav-buttons{display:flex;justify-content:center;gap:8px;padding:8px 10px;background:linear-gradient(180deg,#7A0E0E 0%,#B71C1C 100%);border-top:1px solid rgba(242,181,68,0.2);border-bottom:1px solid rgba(242,181,68,0.2)}.mobile-nav-buttons .btn{text-decoration:none;padding:8px 14px;border-radius:6px;font-size:13px;font-weight:700;display:inline-block;transition:all 0.3s ease}.mobile-nav-buttons .btn-login{background:linear-gradient(180deg,#FFD86A 0%,#E6B800 100%);color:#7A0E0E;border:1px solid #F2B544}.mobile-nav-buttons .btn-register{background:linear-gradient(135deg,#C91F17 0%,#E53935 100%);color:#FFF5E1;border:1px solid #F2B544}.mobile-nav-buttons .btn-download{background:linear-gradient(180deg,#FFD86A 0%,#E6B800 100%);color:#7A0E0E;border:1px solid #F2B544}.hamburger-menu{display:flex;flex-direction:column;width:36px;height:36px;justify-content:center;align-items:center;gap:5px;cursor:pointer;background:rgba(255,255,255,0.1);border-radius:6px;z-index:1003;position:relative;order:-1}.hamburger-menu .bar{display:block;width:20px;height:2px;background:#FFF5E1;transition:all 0.3s ease;border-radius:2px}.hamburger-menu.active .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger-menu.active .bar:nth-child(2){opacity:0}.hamburger-menu.active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.hamburger-menu.active{background:rgba(244,211,77,0.2)}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);z-index:1001}.mobile-menu-overlay.active{display:block}.mobile-menu-overlay.active{display:block}.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{padding-top:0}.footer-container{width:100%;max-width:none;grid-template-columns:1fr;gap:25px;padding:30px 15px}.footer-bottom-container{width:100%;max-width:none;flex-direction:column;gap:8px;padding:10px 15px;text-align:center}.footer-legal-links{justify-content:center}.footer-certificates{justify-content:center}.footer-description{text-align:justify}}
/* 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;
}