@media (max-width: 768px) {
  /* 1.头部变化 */
  .header {
    display: none;
  }
  .header-m {
    display: block;
    width: 100%;
    height: 80px;
  }
  .header-m.active {
    height: 40px;
    background-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.3);
  }
  .header-m .header-c {
    transition: all 0.5s ease-in;
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    margin: auto;
    padding-left: 0;
    display: flex;
  }
  .header-m .header-c .logo {
    width: 89px;
    margin-left: 15px;
  }
  .header-m .header-c .logo .logo1 {
    width: 89px;
    display: block;
  }
  .header-m .header-c .logo .logo2 {
    width: 24px;
    padding: 4px 0 0 32px;
    display: block;
  }
  /* 工具栏 */
  .header-m .header-c .btn {
    display: block;
    font-family: "iconfont";
    width: 40px;
    height: 40px;
    margin-right: 15px;
    font-size: 30px;
    text-align: center;
    line-height: 40px;
  }

  .header-m .header-c .icon-caidan {
    transition: all 0.4s linear;
  }
  .header-m .header-c .icon-close {
    transform: rotate(-90deg);
    transition: all 0.4s linear;
  }
  /* 导航栏 */
  html,
  body {
    width: 100%;
    height: 100%;
  }
  .content {
    width: 100%;
    height: 100%;
  }
  .header-m .header-c .nav .nav-item {
    margin-left: 0px;
    /* padding: 25px 0; */
  }
  .header-m .header-c .nav a:after {
    width: 0;
    height: 0px;
    /* background-color: #b9ab77; */
  }
  .header-c .nav a {
    color: #1d1d1d;
    line-height: 0px;
  }
  .header-m .header-c .nav .nav-item {
    padding: 25px;
  }
  .header-m .header-c .nav .nav-item:first-child {
    padding-top: 65px;
  }
  .header-c .nav .active a {
    transform: scale(1);
    color: #b9ab77;
  }
  .header-c .nav .nav-item:hover a {
    transform: scale(1);
    color: #1d1d1d;
  }
  .header-m .header-c .nav {
    display: none;
    position: fixed;
    left: 0;
    top: 40px;
    width: 100%;
    height: calc(100% - 40px);
    z-index: 20;
    background-color: rgba(255, 255, 255, 0.3);
  }
  .header-m .header-c .nav.active {
    display: block;
  }
  .containner.active {
    filter: blur(9px);
    overflow: hidden;
    width: 100%;
    height: 100%;
  }
  /* 2. bananer */
  .banner img { 
    height: 56px;
    filter: grayscale(0%);
    width: 100%;
}
  /* 3.swiper */
  .swiper .swiper-slide li {
    height: 150px;
}
  .swiper .title {
    margin: 60px auto 35px;
    font-size: 20px;
  }
  .swiper .swiper-slide li .literal {
    position: relative;
    width: 100%;
    height: 100%;
    padding: 5px;
    margin: 20px auto 0;
  }
  .swiper .literal .data {
    display: inline-block;
    width: 70px;
    height: 70px;
  }
  .swiper .literal .data h1 {
    line-height: 1;
    font-size: 20px;
  }
  .swiper .literal .data p {
    font-size: 15px;
    padding-right: 12.5px;
}
  .swiper .literal .text {
    margin-left: 70px;
    width: 295px;
    height: 96px;
  }
  .swiper .literal .text p {
    color: #4d4d4d;
    margin-top: 15px;
    
}
.swiper .swiper-slide {
    height: 100%;
}
.swiper .swiper-container-horizontal>.swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
    bottom: 0px;
    margin-bottom: 35px;
}
.swiper .swiper-wrapper {
    padding-bottom: 100px;
}
/* 4.底部 */
.footer{
    height: 80px;
    background-color: #f7f5fa;
  }
  .footer-c {
    width:100%;
    margin: 0 auto;
    display:flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .footer-c .left {
    height: 100%;
  }
  .footer-c .left p {
    line-height: 24px;
    margin: 0;
  }
  .footer-c .right p, .footer-c {
    line-height: 24px;
  }
  .footer-c .right p, .footer-c .right a {
    margin-right: 0px;
    margin-left: 10px;
    line-height: 24px;
  }
    /* 最外面 */
  }
}