/* 手机版*/

body {
  position: relative;
  overflow-x: hidden;
  background: #333;
}

.m-top {
  position: absolute;
  z-index: 99;
  left: 0;
  top: 0;
  width: 100%;
  height: 1.8rem;
  background: url(../images/m_top.png) no-repeat 0 -0.2rem/100%;
}

.m-logo {
  display: block;
  position: absolute;
  left: 0.2rem;
  top: 0.2rem;
}

.m-logo img {
  width: 4rem;
}

.btn {
  position: absolute;
  right: 0;
  top: 0;
  right: 0;
  width: 72px;
  height: 54px;
  padding: 12px 0 0;
  text-align: center;
  background: #fff;
  cursor: pointer;
}
.btn::after {
  content: "导航";
  position: absolute;
  left: 0;
  bottom: 10px;
  width: 100%;
  font-size: 12px;
  line-height: 1;
  color: #c50319;
  letter-spacing: 3px;
  text-align: center;
}

.btn span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 0 auto;
  background: #c50319;
  transition: 0.3s;
}

.btn span:nth-child(2) {
  margin: 3px auto;
}
.btn.cross span:nth-of-type(1) {
  transform: translateY(5px) rotate(-30deg);
}

.btn.cross span:nth-of-type(2) {
  opacity: 0;
}

.btn.cross span:nth-of-type(3) {
  transform: translateY(-5px) rotate(30deg);
}

header {
  display: none;
}

.slide {
  display: none;
}
.nav {
  position: absolute;
  z-index: 99;
  right: -150px;
  top: 0;
  width: 0;
  height: 100%;
  padding: 60px 0 0;
  overflow: hidden;
  background: #333;
}
.logo2 {
  display: none;
}

.nav ul {
  padding: 0.5rem 0 0;
}
.nav a {
  display: block;
  font: 400 16px/36px "微软雅黑";
  color: #fff;
  text-align: center;
}

.wrapper {
  position: relative;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  background: #fff;
}

@media (min-width: 1200px) {
  header {
    display: block;
    position: absolute;
    z-index: 90;
    right: 0;
    top: 0;
    width: 100%;
    height: 9.28vw;
    padding: 1.8vw 0 0 2.4vw;
    overflow: visible;
    background: url(../images/nav_bg.png) no-repeat 0 0/100%;
  }

  .logo {
    display: block;
  }
  .logo img {
    width: 21vw;
  }

  .slide {
    display: block;
    position: fixed;
    z-index: 99;
    right: 0;
    top: 0;
    width: 6vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    border-left: 1px solid #fff;
  }

  .nav-btn {
    position: relative;
    height: 5vw;
    padding: 1.5vw 0 0;
    text-align: center;
    background: #fff;
    cursor: pointer;
  }
  .nav-btn::after {
    content: "导航";
    position: absolute;
    left: 0.4vw;
    bottom: 1.2vw;
    width: 100%;
    font-size: 0.9vw;
    line-height: 1;
    color: #c50319;
    letter-spacing: 0.8vw;
    text-align: center;
  }

  .nav-btn span {
    display: block;
    width: 2.4vw;
    height: 3px;
    margin: 0 auto;
    background: #c50319;
    transition: 0.3s;
  }

  .nav-btn span:nth-child(2) {
    margin: 6px auto;
  }
  .nav-btn.cross span:nth-of-type(1) {
    transform: translateY(9px) rotate(-30deg);
  }

  .nav-btn.cross span:nth-of-type(2) {
    opacity: 0;
  }

  .nav-btn.cross span:nth-of-type(3) {
    transform: translateY(-9px) rotate(30deg);
  }

  .mouse {
    position: absolute;
    right: 0;
    bottom: 2vw;
    width: 100%;
    text-align: center;
  }
  .mouse img {
    width: 1.1vw;
  }

  .nav {
    position: fixed;
    z-index: 90;
    right: 6vw;
    top: 0;
    width: 8vw;
    height: 100%;
    padding: 0;
    background: rgba(0, 0, 0, 0.4);
    transform: rotateY(-120deg);
    transform-origin: right center;
    opacity: 0;
    transition: 1s;
  }
  .logo2 {
    display: block;
    padding: 0.5vw 0;
    text-align: center;
    background: #fff;
  }
  .logo2 img {
    height: 4vw;
  }
  .nav ul {
    padding: 2vw 0 0;
  }
  .nav ul li {
    border-bottom: 1px solid #fff;
    opacity: 0;
    transform: rotate(-90deg);
    transform-origin: right bottom;
  }
  .nav ul a {
    display: block;
    padding: 1vw 0;
    font-size: 0.8vw;
    line-height: 1.6vw;
    color: #fff;
    text-align: center;
  }
  .nav ul a:hover {
    color: #fff;
    background: #c50319;
  }
  .nav.active {
    right: 6vw;
    opacity: 1;
    transform: rotateY(0);
  }
  .nav.active ul li {
    opacity: 1;
    transform: rotate(0);
    transition: 0.6s 1s;
  }
}