/* 全局样式重置 */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  line-height: 1.6;
  background-color: #e6f7ff;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial,
    sans-serif;
}

/* 确保内容仍然可以滚动 */

html,
body {
  -ms-overflow-style: none;
  /* IE 和 Edge */
  scrollbar-width: none;
  /* Firefox */
  overflow: auto;
  /* 允许滚动 */
}

.container {
  max-width: 1200px;
  margin: 0px auto 0;
  /* padding: 0 20px; */
  box-sizing: border-box;
}

/* 关于我们标题样式 */

.about-title {
  background: url("../images/about_banner_bg.png") no-repeat center center /
    cover;
  height: 460px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: white;
}

.about-title h1 {
  /* margin-bottom: 20px; */
  font-weight: 700;
  font-size: 42px;
  color: #3f4766;
}

.about-title p {
  font-weight: 400;
  font-size: 16px;
  color: #64698b;
  line-height: 48px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 10px 10px 10px 10px;
  border: 1px solid #0256ff;
  width: 116px;
  height: 40px;
  font-weight: 500;
  font-size: 14px;
  color: #0256ff;
  line-height: 40px;
  margin-top: 33px;
}

/* 关于我们介绍样式 */

.about-intro {
  background: url("../images/about_bg_2.png") no-repeat center center / cover;
  padding: 80px 0;
  text-align: center;
  height: 520px;
}

.about-intro h2 {
  font-size: 28px;
  margin-bottom: 30px;
}

/* 公司数据样式 */

.company-data {
  background-color: #007bff;
  color: white;
  padding: 40px 0;
  text-align: center;
  background: url("../images/about_bg_3.png") no-repeat center center / cover;
}

.company-data .data-item {
  display: inline-block;
  width: 23%;
  margin-bottom: 20px;
}

/* 企业文化样式 */

.company-culture {
  padding: 80px 0;
  background: #fff;
  text-align: center;
}

.company-culture h2 {
  font-size: 28px;
  margin-bottom: 40px;
}

.culture-item {
  display: flex;
  justify-content: space-around;
}

.culture-box {
  width: 389px;
  padding: 67px 78px;
  border-radius: 5px;
  color: white;
  height: 235px;
  text-align: left;
  position: relative;
}

.culture-box h3 {
  font-weight: 700;
  font-size: 28px;
  color: #ffffff;
  line-height: 48px;
}

.culture-box p {
  font-weight: 400;
  font-size: 14px;
  color: #ffffff;
  line-height: 20px;
  margin-top: 8px;
}

.yinhao {
  position: absolute;
  top: 40px;
  left: 40px;
}

.mission {
  background: url("../images/about_bg_\ sm.png") no-repeat center center / cover;
}

.vision {
  background: url("../images/about_bg_\ yj.png") no-repeat center center / cover;
}

.values {
  background: url("../images/about_bg_\ jzg.png") no-repeat center center /
    cover;
}

/* 荣誉资质样式 */

.honors-qualifications {
  padding: 80px 0;
  text-align: center;
}

.honors-qualifications h2 {
  font-size: 28px;
  margin-bottom: 40px;
}

.honor-item {
  display: inline-block;
  width: 20%;
  margin-bottom: 20px;
}

.honor-item img {
  width: 100%;
}

/* 发展历程样式 */

.development-history {
  background: url("../images/developmentBg.png") no-repeat center center / cover;
  color: white;
  /* padding: 40px 0; */
  text-align: center;
  height: 676px;
  overflow: hidden;
}

.development-history h2 {
  font-size: 28px;
  margin-bottom: 40px;
}

.history-item {
  width: 238px;
  /* margin-bottom: 20px; */
  margin: 0 10px 20px;
}
.history-text {
  overflow: hidden;
  padding: 11px;
  margin-left: 10px;
  /* height: 160px; */
  /* text-align: left; */
}
.history-text:hover {
  background: url("../images/whar.png") no-repeat center center;
  background-size: 100% 100%;
}
.history-item span {
  display: block;
  margin: 10px auto;

  font-weight: 700;
  font-size: 18px;
  color: #ffffff;
}

.history-item p {
  font-weight: 400;
  font-size: 14px;
  color: #ffffff;
  text-align: left;
}
/* .smart-energy-solution-title{
  width: 1200px;
} */
.smart-energy-solution-title h2 {
  font-weight: 500;
  font-size: 24px;
  color: #3f4766;
  /* 深灰色字体 */
  position: relative;
  display: inline-block;
  line-height: 60px;
}

.titlebg {
  font-weight: 900;
  font-size: 48px;
  color: rgba(2, 86, 255, 0.1);
  line-height: 48px;
  position: absolute;
  left: -30px;
  top: 4px;
}

.blueleft {
  width: 8px;
  height: 45px;
  border: 2px solid #0256ff;
  border-right: #ccc;
  position: absolute;
  left: -90px;
  top: 6px;
}

.blueright {
  width: 8px;
  height: 45px;
  border: 2px solid #0256ff;
  border-left: #ccc;
  position: absolute;
  right: -90px;
  top: 6px;
}

.aboutbg {
  width: 1200px;
  min-height: 238px;
  background: rgba(255, 255, 255, 0.3);
  box-shadow: 0px 2px 30px 0px #d8e6fa;
  border-radius: 25px 25px 25px 25px;
  /* border: 1px solid; */
  /* opacity: 0.45; */
  /* border-image: linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0)) 1 1; */
  font-size: 14px;
  color: #64698b;
  line-height: 32px;
  padding: 55px 106px;
}

.boeder-text {
  color: #3f4766;
  font-weight: 700;
}

.datatitle {
  font-weight: 700;
  font-size: 32px;
  color: #ffffff;
}

.datatitle1 {
  font-weight: 400;
  font-size: 14px;
  color: #ffffff;
}

/* .changebtn {
    width: 40px;
    height: 5px;
    background: rgba(96, 142, 233, 0.2);
    border-radius: 5px 5px 5px 5px;
}

.checkbtn {
    width: 14px;
    height: 5px;
    background: #366EDD;
    border-radius: 5px 5px 5px 5px;
} */

.checkbtn,
.changebtn {
  width: 14px;
  height: 5px;
  background: #366edd;
  border-radius: 5px 5px 5px 5px;
}

.checkbtn.active,
.changebtn.active {
  width: 40px;
  height: 5px;
  background: rgba(96, 142, 233, 0.2);
  border-radius: 5px 5px 5px 5px;
}

.button-container {
  display: flex;
  justify-content: center;
  /* 水平居中 */
  align-items: center;
  /* 垂直居中（如果需要） */
  gap: 10px;
  /* 按钮之间的间距 */
}

.image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
}

.image-container img {
  max-width: 100%;
  height: auto;
}

.history-container {
  height: 160px;
  display: flex;
  justify-content: space-between;
  flex-wrap: no-wrap;
  /* 如果需要换行 */
  /* 子项之间的间距 */
  margin: 70px auto 0;
}

.history-item {
  flex: 1 1 auto;
  /* 每个子项自适应宽度 */
  min-width: 200px;
  /* 设置最小宽度，防止过窄 */
}

.history-left {
  margin-top: 43px;
  margin-right: 20px;
  margin-left: 40px;
}

.historyline {
  width: 120%;
  height: 1px;
  margin-top: 13px;
  margin-bottom: 30px;
  position: relative;
  background: #fff;
}

.historyline img {
  position: absolute;
  left: -30px;
  top: -11px;
}

.phoneweb {
  display: none;
}
.w_1200 {
  width: 1200px;
}

@media screen and (max-width: 1200px) {
  .pcweb {
    display: none;
  }
  .phoneweb {
    display: block;
    overflow: hidden;
  }
  .about-title h1 {
    margin-bottom: 0px;
    font-weight: 700;
    font-size: 30px;
    color: #3f4766;
  }
  .about-title p {
    font-weight: 400;
    font-size: 14px;
    color: #64698b;
    line-height: 48px;
  }
  .btn {
    display: inline-block;
    text-decoration: none;
    border-radius: 10px 10px 10px 10px;
    border: 1px solid #0256ff;
    width: 116px;
    height: 40px;
    font-weight: 500;
    font-size: 14px;
    color: #0256ff;
    line-height: 40px;
    margin-top: 10px;
  }
  .zhanwei {
    width: 100%;
    height: 62px;
  }
  .sbbox {
    background: url("../images/about_banner_bgphone.png") no-repeat center
      center / cover;
  }
  .container {
    margin: 0;
  }
  .about-title {
    background: none;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
  }
  .aboutbg {
    width: 100%;
    min-height: 325px;
    background: linear-gradient(180deg, #f5faff 0%, #ffffff 97%);
    box-shadow: 0px 2px 30px 0px #d8e6fa;
    border-radius: 25px 25px 25px 25px;
    border-image: linear-gradient(
        180deg,
        rgba(255, 255, 255, 1),
        rgba(255, 255, 255, 0)
      )
      1 1;
    font-size: 14px;
    color: #64698b;
    line-height: 32px;
    padding: 20px;
    text-align: left;
  }
  /* 关于我们介绍样式 */
  .about-intro {
    background: url("../images/about_bg_2phone.png") no-repeat center center /
      cover;
    padding: 20px 10px;
    text-align: center;
    min-height: 480px;
  }
  .about-intro h2 {
    font-size: 14px;
    margin-bottom: 30px;
  }
  .titlebg {
    font-weight: 900;
    font-size: 23px;
    color: rgba(2, 86, 255, 0.1);
    line-height: 48px;
    position: absolute;
    left: 13%;
    top: 4px;
  }
  .sbtext {
    width: 66px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    font-size: 16px;
    margin: 20px auto 0;
    font-weight: bolder;
  }
  .blueleft {
    width: 8px;
    height: 45px;

    border: 2px solid #0256ff;
    border-right: #ccc;
    position: absolute;
    left: 0;
    top: 6px;
  }
  .blueright {
    width: 8px;
    height: 45px;
    border: 2px solid #0256ff;
    border-left: #ccc;
    position: absolute;
    right: 0;
    top: 6px;
  }
  .datatitle {
    font-weight: 700;
    font-size: 18px;
    color: #ffffff;
  }
  .datatitle1 {
    font-weight: 400;
    font-size: 12px;
    color: #ffffff;
  }
  /* 公司数据样式 */
  .company-data {
    background-color: #007bff;
    color: white;
    padding: 30px 0;
    text-align: center;
    background: url("../images/about_bg_3phone.png") no-repeat center center /
      cover;
  }
  .company-data .data-item {
    display: inline-block;
    width: 20%;
    margin-bottom: 0px;
  }
  .culture-item {
    display: flex;
    flex-direction: column;
    /* 垂直排列 */
    align-items: center;
    /* 水平居中对齐 */
  }
  .culture-box {
    width: 90%;
    padding: 24px 66px;
    border-radius: 5px;
    color: white;
    height: 136px;
    text-align: left;
    position: relative;
    margin-bottom: 8px;
  }
  .culture-box h3 {
    font-weight: 700;
    font-size: 28px;
    color: #ffffff;
    line-height: 48px;
  }
  .culture-box p {
    font-weight: 400;
    font-size: 14px;
    color: #ffffff;
    line-height: 20px;
    margin-top: 8px;
  }
  .yinhao {
    position: absolute;
    top: 24px;
    left: 17px;
  }
  .mission {
    background: url("../images/aboutphone\ \(1\).png") no-repeat center center /
      cover;
  }
  .vision {
    background: url("../images/aboutphone\ \(2\).png") no-repeat center center /
      cover;
  }
  .values {
    background: url("../images/aboutphone\ \(3\).png") no-repeat center center /
      cover;
  }
  .company-culture {
    padding: 20px 0;

    text-align: center;
  }
  .checkbtns,
  .changebtns {
    width: 14px;
    height: 5px;
    background: #366edd;
    border-radius: 5px 5px 5px 5px;
  }
  .checkbtns.actives,
  .changebtns.actives {
    width: 40px;
    height: 5px;
    background: rgba(96, 142, 233, 0.2);
    border-radius: 5px 5px 5px 5px;
  }
  .button-containers {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
  }
  .overflowxs {
    width: 100%;
    /* height: 400px; */
    /* background: #007bff; */
    overflow-x: auto;
    /* white-space: nowrap; */
    /* 防止内容换行 */
  }

  .overflowxs::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Edge */
  }
  .history-containers {
    display: flex;
    width: 3000px;
    /* height: 20px; */
    justify-content: space-between;
    /* background: red; */
  }
  .history-items {
    width: 238px;
    margin: 0 10px 20px;
    display: flex;
    flex-direction: column;
    /* justify-content: center; */
    align-items: center;
  }
  .history-text {
    padding: 20px 11px 10px;
  }
  .development-historys {
    background: url(../images/developmentBg.png) no-repeat center center / cover;
    color: white;
    padding: 40px 0;
    text-align: center;
    height: auto;
  }
  .history-items span {
    font-size: 20px;
    font-weight: 700;
  }
  .historyline img {
    /* width: 50%; */
    top: -12px;
    left: -5px;
  }

  .history-text span {
    font-size: 16px;
    font-weight: 700;
    margin-top: 10px;
  }

  .history-text p {
    /* width: 100%; */
    font-size: 14px;
    white-space: pre-wrap;
  }
}