.pic-main {
  padding: 0.2rem;
}

.pic-title {
  padding: 0.2rem 0;
  font-size: 18px;
  line-height: 24px;
  color: #000;
  text-align: center;
  background: url(../images/green.jpg) no-repeat center bottom/0.4rem 2px;
}
.pic-detail {
  padding: 0.3rem 0;
  font-size: 14px;
  line-height: 1.5;
  color: #000;
  text-align: center;
}

.pic-nav {
  padding: 0;
}
.pic-nav ul {
  display: flex;
  flex-wrap: wrap;
}
.pic-nav ul li {
  width: 25%;
  padding: 0.1rem;
}
.pic-nav ul a {
  display: block;
  position: relative;
  text-align: center;
}
.pic-nav ul a img {
  width: 100%;
}
.pic-nav ul .t {
  position: relative;
  transition: 0.3s;
}
.pic-nav ul .b {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  opacity: 0;
  transition: 0.3s;
}
.pic-nav ul li.active .t {
  opacity: 0;
}
.pic-nav ul li.active .b {
  opacity: 1;
}
.pic-box {
  position: relative;
  margin: 0.2rem 0 0;
  height: 2.2rem;
  overflow: hidden;
}
.pic-tab {
  position: absolute;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  opacity: 0;
  padding: 0 0.6rem;
  transform: translate3d(200%, 0, 0);
  transition: 0.6s;
}

.pic-tab.active {
  z-index: 10;
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.pic-prev,
.pic-next {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  z-index: 5;
  top: 50%;
  width: 0.4rem;
  height: 0.4rem;
  background: #ccc;
  border-radius: 50%;
  cursor: pointer;
  transform: translate3d(0, -50%, 0);
}
.pic-prev {
  left: 0;
}
.pic-next {
  right: 0;
}
.pic-prev img,
.pic-next img {
  width: 0.2rem;
}

.pic-banner {
  position: relative;
  overflow: hidden;
}
.pic-banner .swiper-slide {
  padding: 0 0.1rem;
}
.pic-banner .swiper-slide img {
  width: 100%;
}
@media (min-width: 1200px) {
  .pic-main {
    width: 72vw;
    margin: 0 auto;
    padding: 1vw 0;
  }

  .pic-title {
    padding: 1vw 0;
    font-size: 2vw;
    line-height: 2.4vw;
    color: #000;
    text-align: center;
    background: url(../images/green.jpg) no-repeat center bottom/2vw 2px;
  }
  .pic-detail {
    padding: 1.5vw 0 3vw;
    font-size: 14px;
    line-height: 1.5;
    color: #000;
    text-align: center;
  }

  .pic-nav {
    padding: 0;
  }
  .pic-nav ul {
    display: flex;
    justify-content: space-between;
  }
  .pic-nav ul li {
    width: 14.2%;
    padding: 0 0.2vw;
  }
  .pic-nav ul a {
    display: block;
    position: relative;
    text-align: center;
  }
  .pic-nav ul a img {
    width: 100%;
  }
  .pic-nav ul .t {
    position: relative;
    transition: 0.3s;
  }
  .pic-nav ul .b {
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    opacity: 0;
    transition: 0.3s;
  }
  .pic-nav ul li.active .t {
    opacity: 0;
  }
  .pic-nav ul li.active .b {
    opacity: 1;
  }
  .pic-box {
    position: relative;
    margin: 1vw 0 0;
    height: 11vw;
    overflow: hidden;
  }
  .pic-tab {
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    opacity: 0;
    padding: 0 3vw;
    transform: translate3d(200%, 0, 0);
    transition: 0.6s;
  }

  .pic-tab.active {
    z-index: 10;
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }

  .pic-prev,
  .pic-next {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    z-index: 5;
    top: 50%;
    width: 2vw;
    height: 2vw;
    background: #ccc;
    border-radius: 50%;
    cursor: pointer;
    transform: translate3d(0, -50%, 0);
  }
  .pic-prev {
    left: 0;
  }
  .pic-next {
    right: 0;
  }
  .pic-prev img,
  .pic-next img {
    width: 1vw;
  }

  .pic-banner {
    position: relative;
    overflow: hidden;
  }
  .pic-banner .swiper-slide {
    padding: 0 0.5vw;
  }
  .pic-banner .swiper-slide img {
    width: 100%;
  }
}