* {
  margin: 0;
  touch-action: pan-y; /* 阻止手势默认（拖动/缩放）*/
  overscroll-behavior: none; /* 阻止溢出滚动连带行为 */
}

/* html {
    font-size: calc(100vw / 7.5);
} */

/* 当屏幕宽度 >= 750px 时，固定 rem 字号为设计稿对应的基准值 */
/* 假设你的设计稿是以 750px 宽度为基础，1rem = 100px */
/* @media screen and (min-width: 750px) {
    html {
        font-size: 100px;
    }
} */

.wrap {
  width: 100%;
  max-width: 750px;
  min-height: 100vh;
  /*background: url('../img/bg.jpg') top center no-repeat;*/
  background-size: cover;
  margin: 0 auto;
}

.header {
  width: 100%;
}

.content {
  width: 100%;
}

.img {
  margin-top: -0.5px;
  width: 100%;
  display: flex;
}

.img-box1 {
  width: 100%;
  position: relative;
}

.img-box3 {
  width: 100%;
  position: relative;
}

.img-box1-btn {
  position: absolute;
  bottom: 3%;
  left: 50%;
  transform: translate(-50%, 0%);
}

.img-update {
  position: absolute;
  right: 0.2rem;
  display: flex;
  width: 2.8rem;
  top: 30%;
  /* transform: translate(0, -50%); */
  animation: myfirst 1s infinite;
}

.footer {
  width: 100%;
  position: fixed;
  left: 0;
  bottom: 0;
  z-index: 999;
}

.content-box {
  width: 100%;
}

.mySwiper {
  width: 100%;
}

.swiper-slide {
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
}

.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.swiper-pagination {
  /* height: 55px; */
  display: flex;
  justify-content: center;
  bottom: 0 !important;
}

.swiper-pagination-bullet {
  opacity: 1 !important;
  background: url("../img/D2.png") no-repeat center center !important;
  background-size: 100% 100% !important;
}

.swiper-pagination-bullet-active {
  background: url("../img/D.png") no-repeat center center !important;
  background-size: 100% 100% !important;
}

@-webkit-keyframes myfirst {
  from {
    transform: scale(1);
  }

  50% {
    transform: scale(0.9);
  }

  to {
    transform: scale(1);
  }
}

@keyframes myfirst {
  from {
    transform: scale(1);
  }

  50% {
    transform: scale(0.9);
  }

  to {
    transform: scale(1);
  }
}

@media screen and (min-width: 750px) {
  .img-box3 > div {
    bottom: 2rem !important;
  }
}