.header {
  position: fixed;
  z-index: 100;
  width: 100%;
  height: 2.1rem;
  top: 0;
  left: 0;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  padding-top: 0.15rem;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -ms-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}

.no-webp .header::before {background-color:#000}

.webp .header::before {background-color:#000}

.no-webp .header::before {background:-webkit-linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0) 100%)}

.webp .header::before {background:-webkit-linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0) 100%)}

.no-webp .header::before {background:-moz-linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0) 100%)}

.webp .header::before {background:-moz-linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0) 100%)}

.no-webp .header::before {background:-ms-linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0) 100%)}

.webp .header::before {background:-ms-linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0) 100%)}

.no-webp .header::before {background:-o-linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0) 100%)}

.webp .header::before {background:-o-linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0) 100%)}

.no-webp .header::before {background:-webkit-gradient(linear, left top, left bottom, from(#000), color-stop(50%, rgba(0, 0, 0, 0.8)), to(rgba(0, 0, 0, 0)))}

.webp .header::before {background:-webkit-gradient(linear, left top, left bottom, from(#000), color-stop(50%, rgba(0, 0, 0, 0.8)), to(rgba(0, 0, 0, 0)))}

.no-webp .header::before {background:linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0) 100%)}

.webp .header::before {background:linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.8) 50%, rgba(0, 0, 0, 0) 100%)}

.header::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  content: '';
}

.header .logo {
  display: block;
  margin: 0 auto;
  width: 2rem;
  height: 1.02rem;
  background: url(https://www.24-ent.com/pc/gw/20221115102501/assets/foot-logo__nowebp_2d34bffe.png) no-repeat top center / 100%;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -ms-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
  z-index: 1;
  position: relative;
}

.header .nav-wrap {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between;
  width: 100%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  padding: 0 0.32rem;
  margin-top: 0.28rem;
}

.header .nav-wrap .btn-nav {
  position: relative;
  font-size: 0.24rem;
  color: rgba(255, 255, 255, 0.7);
  font-family: 'Cinzel';
}

.no-webp .header .nav-wrap .btn-nav.active::after {background:url(https://www.24-ent.com/pc/gw/20221115102501/assets/nav-line_d7db0263.png) no-repeat top center / 100%}

.webp .header .nav-wrap .btn-nav.active::after {background:url(https://www.24-ent.com/pc/gw/20221115102501/assets/nav-line_d7db0263.webp) no-repeat top center / 100%}

.header .nav-wrap .btn-nav.active::after {
  position: absolute;
  bottom: -0.13rem;
  left: 50%;
  -webkit-transform: translate(-50%, 0);
  -moz-transform: translate(-50%, 0);
  -ms-transform: translate(-50%, 0);
  -o-transform: translate(-50%, 0);
  transform: translate(-50%, 0);
  content: '';
  width: 1.23rem;
  height: 0.18rem;
}

.header .nav-wrap .btn-nav.game.active::after {
  left: 35%;
}

.header .nav-wrap .btn-nav span {
  position: relative;
  font-size: 0.24rem;
}

.no-webp .header .nav-wrap .btn-nav span i {background:url(https://www.24-ent.com/pc/gw/20221115102501/assets/nav-icon_7117fb40.png) no-repeat top right / 100%}

.webp .header .nav-wrap .btn-nav span i {background:url(https://www.24-ent.com/pc/gw/20221115102501/assets/nav-icon_7117fb40.webp) no-repeat top right / 100%}

.header .nav-wrap .btn-nav span i {
  display: inline-block;
  margin-left: 0.1rem;
  width: 0.28rem;
  height: 0.16rem;
}

.header .nav-wrap .btn-nav .game-nav {
  display: none;
  position: absolute;
  top: 0.4rem;
  left: 50%;
  margin-left: -1.8rem;
  padding-top: 0.2rem;
}

.header .nav-wrap .btn-nav .game-nav.on {
  display: block;
}

.no-webp .header .nav-wrap .btn-nav .game-nav-box {background:rgba(0, 0, 0, 0.7)}

.webp .header .nav-wrap .btn-nav .game-nav-box {background:rgba(0, 0, 0, 0.7)}

.header .nav-wrap .btn-nav .game-nav-box {
  width: 6.75rem;
  height: 0.8rem;
  border-radius: 0.1rem;
  text-align: center;
}

.header .nav-wrap .btn-nav .game-nav-box .btn-game {
  position: relative;
  display: inline-block;
  text-align: center;
  font-size: 0.24rem;
  color: #cbcbcb;
  font-family: 'Grotes';
  line-height: 0.8rem;
  padding: 0 0.2rem;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -ms-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}

.no-webp .header .nav-wrap .btn-nav .game-nav-box .btn-game:nth-child(1)::after {background:rgba(255, 255, 255, 0.3)}

.webp .header .nav-wrap .btn-nav .game-nav-box .btn-game:nth-child(1)::after {background:rgba(255, 255, 255, 0.3)}

.header .nav-wrap .btn-nav .game-nav-box .btn-game:nth-child(1)::after {
  position: absolute;
  top: 0.25rem;
  right: 0;
  content: '';
  width: 0.02rem;
  height: 0.24rem;
}

.header .nav-wrap .btn-nav .game-nav-box.on {
  display: block;
}

.header.short-nav::before {
  -webkit-opacity: 1;
  -moz-opacity: 1;
  opacity: 1;
}

.header.short-nav .logo {
  -webkit-transform: scale(0.9);
  -moz-transform: scale(0.9);
  -ms-transform: scale(0.9);
  -o-transform: scale(0.9);
  transform: scale(0.9);
}