html {
	font-size: 10px
}

body {
	margin: 0;
	padding: 0;
	background: #fff;
	background-color: #fff;
	font-family: "Microsoft YaHei"
}

.container {
	position: relative;
	max-width: 720px;
	margin: 0 auto;
	z-index: 0;
}

.container .header {
      display: flex;
      position: relative;
      align-items: center;
      height: 0.85rem;
      width: 100%;
      justify-content: space-between;
      background-color: #7B0000;
      padding: 8px 0px;
      border-bottom: 0.5px solid #D87A05;
    }

    .left-header {
      display: flex;
      padding: 0px 8px;
      align-items: center;
      justify-content: space-between;
    }
    
    .left-header a {
    color: #fff;
    text-decoration:none;
   }

    .left-header img {
      width:.9rem;
      height:.9rem;
      margin-right: 9px;
      
    }

    .title {
      font-size: 0.37rem;
      font-weight: 800;
      color: #FFFDD8;
    }
    
    .right-header {
      display: flex;
      padding: 0px 8px;
      align-items: center;
      justify-content: space-between;
    }
    
    .topbtn {
	width: 1.6rem;
	height: .7rem;
	margin-right: 9px;
}



@media (min-width: 720px) {
  .topbtn {
    width: 1.5rem;
	height: .6rem;
	margin-right: 20px;
}
}
    
 .menu-icon {
  width: 40px;
  height: 28px;
  color: #FFFDD8;
  position: relative;
  cursor: pointer;
}

/* 3 lines */
.menu-icon span {
  position: absolute;
  width: 100%;
  height: 3.5px;
  background: #FFFDD8;
  left: 0;
  transition: 0.3s ease;
}

/* line positions */
.menu-icon span:nth-child(1) { top: 0; }
.menu-icon span:nth-child(2) { top: 12px; }
.menu-icon span:nth-child(3) { bottom: 0; }

/* TURN INTO X */
.menu-icon.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 12px;
}

.menu-icon.active span:nth-child(2) {
  opacity: 0;
}

.menu-icon.active span:nth-child(3) {
  transform: rotate(-45deg);
  bottom: 12px;
}

/* Desktop only */
@media (min-width: 720px) {
  .menu-icon {
    width: 55px;
    height: 38px;
  }

  .menu-icon span {
    height: 4.5px;     /* thicker lines */
  }

  .menu-icon span:nth-child(2) {
    top: 16px;
  }

  /* Fix X alignment */
  .menu-icon.active span:nth-child(1) {
    top: 16px;
  }

  .menu-icon.active span:nth-child(3) {
    bottom: 16px;
  }
}

 .menu {
  overflow: hidden;
  position: absolute;
  top: 1.14rem;
  max-height: 0;
  width: 100%;
  background-color: #ecf0f1;
  transition: max-height 0.4s ease-in-out;
}

@media (min-width: 720px) {
  .menu {
  top: 1.01rem;
}
}

.menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.menu li {
  border-bottom: 1px solid #a62121;
  font-size: 15px;
}

.menu a {
  display: block;
  padding: 15px 20px;
  color: black;
  text-decoration: none;
}

.menu a:hover {
  background-color: #a62121;
  color: white;
}

.menu.expanded {
  max-height: 300px;
}

.container .downBtn{
	position: absolute;
	top: 9.5rem;
	width: 100%;
	height: 1.7rem;
	background-image: url("../img/3f-game_btn.png");
	background-size: 100% 100%;
	background-repeat: no-repeat;
	animation: zoomInOut 2s infinite;
}

.container .footer {
      background-color: #3D120B;
      color: #ccc;
      text-align: center;
      padding: 15px 5px;
      font-size: 15px;
    }

    .footer .links a {
      color: #fff;
      margin: 0 15px;
      text-decoration: none;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 7px;
    }

    .footer .links {
      margin-bottom: 15px;
      line-height: 1.7;
    }

    .footer .copyright {
      font-size: 15px;
      color: #aaa;
    }
    
    .footer .copyright a {
      color: #FFEAD8;
      margin: 0 6px;
      text-decoration: none;
      font-weight: 500;
    }

@keyframes zoomInOut {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(0.8);
  }
}