html {
  font-size: 16px;
}

body {
  background: rgb(255, 255, 255);
  color: rgb(0, 0, 0);
  font-family: "Open Sans", "open_sans", "Lucida Grande", "Verdana",
    "Pingfang SC", "Pingfang TC", "Hiragino Sans GB", "Microsoft YaHei", Cardo,
    STSong, "Songti SC", SimSun, "PingFang SC", "Microsoft YaHei", 微软雅黑,
    STXihei, 华文细黑, serif;
  margin: 0px auto;
  -webkit-font-smoothing: antialiased;
}

/* 大容器 */
.contenter-wrap {
  box-sizing: border-box;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-box-align: center;
  align-items: center;
  margin: 0px auto;
}

/* 导航头 */
/* 导航头 */
.contenter-wrap-nav {
  box-sizing: border-box;
  width: 100%;
  display: flex;
  position: fixed;
  height: 3.6rem;
  top: 0;
  z-index: 999;
  line-height: 3.5rem;
  justify-content: center;
  align-items: center;
  background-color: #ffffff;
  border-bottom: 1px solid #ffffff;
  padding: 0 3.2rem 0 3.2rem;
}

.tab_box {
  width: 100%;
  display: flex;
  justify-content: center;
}

.login_box {
  min-width: 5rem;
}

ul li a {
  color: #1e1e1e;
  padding: 0.9375rem 1.25rem;
  font-size: 1rem;
  font-weight: bold;
}

ul li .home {
  padding: 0.9375rem 2.25rem;
}

.currentPage {
  font-size: 0.48rem;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  display: inline-block;
  height: 3.48rem;
  border-bottom: 0.2rem solid #e91974;
}

.currentPage a {
  color: #ff1a53;
}

/* .contenter-wrap-nav li:hover {
  background-color: #ff1a53;
}
.contenter-wrap-nav li:first-child:hover {
  background-color: white;
} */
.logo_box {
  height: 2.08rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  font-size: 1.36rem;
  color: #000000;
}

.logo {
  width: 9.08rem;
  height: 2.08rem;
  margin-right: 0.48rem;
}

.logo-title {
  min-width: 5.44rem;
}

/* 内容 */
.contenter-wrap-content {
  width: 100%;
  margin-top: 3.6rem;
}

/* 寻缘树二维码以及电话地址 */
.fourthPicture {
  width: 100%;
  height: 5.84rem;
  background: #3c3c3c;
}

.fourthPicture-content {
  width: 80%;
  height: 100%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fourthPicture-content-top {
  width: 100%;
  display: flex;
  font-size: 0.875rem;
  border-bottom: 2px solid #999;
}

.left,
.right {
  width: 50%;
  display: flex;
  justify-content: space-around;
}

.left-qrCode {
  width: 8.75rem;
  height: 8.75rem;
  margin-top: 1rem;
}

.left-qrCode img {
  width: 100%;
}

.left-email {
  color: #333;
  margin-top: 4rem;
}

.right-tel,
.right-address {
  margin: auto 0;
}

.right-tel {
  width: 9.375rem;
  color: #333;
}

.right-address {
  width: 21rem;
  color: #333;
  margin-right: 2rem;
}

.fourthPicture-content-bot {
  text-align: center;
  font-size: 0.875rem;
}

.bot-ICP {
  color: #fff;
  margin-bottom: 0.375rem;
}

.bot-ICP a {
  font-size: 0.96rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.32rem;
}

.bot-record a {
  font-size: 0.96rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 1.32rem;
}

.bot-record {
  text-decoration: underline;
  color: #fff;
}

/* 加入我们 */
.joinUs {
  padding: 2rem 0 2.4rem;
  background: #f7f8fa;
  height: 59.32rem;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.back-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 25.6rem;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.back-img img {
  width: 100%;
  height: 100%;

}
.success{
position: absolute;
top: 4.92rem;
font-weight: 600;
font-size: 2.16rem;
color: #FFFFFF;
}
.more-success{
  position: absolute;
  top: 8.6rem;
  font-weight: 400;
font-size: 1rem;
color: #FFFFFF;
}

.jionUs-wrap {
  position: absolute;
  width: 54.72rem;
  height: 42.88rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  top: 12.84rem;
  background: #FFFFFF;
  box-shadow: 0.16rem 0.32rem 0.56rem 0rem rgba(0, 0, 0, 0.05), -0.16rem -0.08rem 0.56rem 0rem rgba(0, 0, 0, 0.05);
  border-radius: 0.8rem;
  padding: 0.3rem;
}

.jionUs-wrap img {
  width: 100%;
  height: 100%;
}

.jionUs-title {
  font-size: 1.8rem;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #0f0f0f;
  line-height: 2.52rem;
  text-align: center;
  margin-top: 4.92rem;
}

.becomeVolunteer {
  margin-top: 2.5rem;
}

.becomeVolunteer-con {
  width: 36rem;
  margin-left: 0px;
}

.activeStart,
.dateWall {
  font-size: 1.5rem;
  color: #333;
  margin-bottom: 0.625rem;
}

.activeBegin {
  font-size: 1.0625rem;
  color: #333;
  margin-bottom: 6px;
}

.active {
  padding: 0 1.6025rem 0 0;
}

.praise {
  margin-top: 2.5rem;
}

/* 媒体查询 -- 响应式 */
@media (max-width: 720px) {

  /* 导航头 */
  .contenter-wrap-nav {
    width: 92%;
    border-bottom: none;
    height: auto;
    display: none;
    padding: 50px 50px 0;
  }

  .contenter-wrap-nav li:first-child {
    display: none;
  }

  .firstPicture {
    height: 48rem;
  }

  .xylogo {
    width: 98px;
    height: 134px;
    margin-top: -5rem;
  }

  .contenter-wrap-nav li {
    border-right: none;
    box-sizing: border-box;
    line-height: 54px;
    text-align: left;
    border-bottom: 1px solid #f8e8e3;
  }

  .contenter-wrap-nav li a {
    font-size: 16px;
  }

  /* 导航头 */
  .nav-btn {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 3px;
    background: #eab4a2;
    position: fixed;
    left: 10px;
    top: 10px;
    z-index: 999;
    overflow: hidden;
  }

  .nav-btn-icon {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    padding-bottom: 5px;
  }

  .nav-btn-icon>span {
    display: block;
    width: 24px;
    height: 3px;
    background: #fff;
    margin-top: 5px;
  }

  .contenter-wrap-content {
    margin-top: 0;
    background: red;
  }

  /* 寻缘树二维码以及电话地址 */
  .thirdPicture-bot {
    display: flex;
    flex-direction: column;
  }

  .fourthPicture {
    width: 95%;
    height: 490px;
    padding: 7% 3% 0px;
  }

  .fourthPicture-content {
    width: 100%;
  }

  .fourthPicture-content-top {
    width: 100%;
    font-size: 14px;
    height: 300px;
    display: flex;
    flex-direction: column;
  }

  .left,
  .right {
    width: 100%;
  }

  .left-qrCode {
    width: 131px;
    height: 131px;
    margin-top: 4%;
  }

  .left {
    margin-bottom: 6%;
  }

  .right-tel {
    margin-left: 20px;
  }

  .right-address {
    width: 160px;
    margin-right: 0;
  }

  .fourthPicture-content-bot {
    margin-top: 40px;
    font-size: 14px;
  }

  /* 加入我们 */
  .joinUs {
    width: 100%;
    padding: 65px 0;
  }

  .jionUs-wrap {
    width: 100%;
  }

  .becomeVolunteer {
    display: flex;
    flex-direction: column-reverse;
  }

  .jionUs-title {
    font-size: 36px;
    color: #333;
  }

  .becomeVolunteer img {
    display: block;
    width: 89%;
    /* width: 320px;
        height: 220px; */
  }

  .word {
    width: 89%;
    font-size: 16px;
    line-height: 3rem;
  }

  .offlineActive {
    margin-top: 20px;
  }

  .offlineActive,
  .active {
    display: flex;
    flex-direction: column;
  }

  .activeStart,
  .dateWall {
    font-size: 20px;
    margin-top: 20px;
    margin-left: 6%;
  }

  .activeBegin {
    font-size: 17px;
    margin-left: 6%;
  }

  .active {
    margin-top: 6px;
  }

  .praisePlatform {
    margin-top: 20px;
  }

  .belss {
    display: flex;
    flex-direction: column;
    margin-top: 6px;
  }

  .goodOpinion {
    display: flex;
    flex-direction: column;
    margin-top: 20px;
  }

  .facilitateSuccessful {
    display: flex;
    flex-direction: column;
  }
}

/* 宽度到达1000的时候, 根元素字体大小变为14px */
@media screen and (max-width: 1000px) {
  html {
    font-size: 14px;
  }
}

/* 宽度到达800的时候, 根元素字体大小变为12px */
@media screen and (max-width: 800px) {
  html {
    font-size: 12px;
  }
}

@media (max-width: 420px) {
  html {
    font-size: 10px;
  }
}