body{
  background: #f8f8f8;
}
ul, li {
  list-style: none;
}
.clearfix:after{
  content: ".";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
  }
.intro{
  background: #fff;
}
.design .about_nav ul{
  margin: 0 auto;
  float:none;
  max-width: 1160px;
  width: 100%;
  box-sizing: border-box;
}
#program_con,#engineering_con,#refrigeration_con,#finance_con,#supervision_con,#huochedingwei_con{
  display: block;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}
#program_con .group{
  max-width: 584px;
  width: calc(50% - 15px);
  height: 480px;
  background: #fff;
  float: left;
  margin-bottom:27px;
  position: relative;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-sizing: border-box;
}
#program_con .group:nth-child(odd){
  margin-right: 30px;
}
#program_con .group:hover{
  transform: translateY(-6px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}
#program_con .group .imgbox{
  height: 347px;
  width: 100%;
  box-sizing: border-box;
  padding: 0;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
}
#program_con .group .imgbox img{
  width: 100%;
  height: 100%;
  padding: 0;
  cursor: pointer;              /* 新增：手指指针 */
  transition: transform 0.3s ease;  /* 新增：过渡动画 */
  display: block;
}
#program_con .group .imgbox:hover img{   /* 新增：悬停放大 */
  transform: scale(1.01);
}

#program_con .group h4{
  text-align: left;
  padding-left: 25px;
  padding-top: 10px;
  font-size: 18px;
  line-height: 40px;
}
#program_con .group p{
  text-align: left;
  padding-left: 25px;
  font-size: 14px;
  color: #9a9a9a;
}
#program_con .group .view{
  position: absolute;
  bottom: 18px;
  right: 20px;
  width: 56px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid #c8c8c8;
  border-radius: 999px;
  background: #fff;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease;
  text-decoration: none;
}
#program_con .group .view::after{
  content: "↗";
  font-size: 16px;
  color: #333;
  transition: color 0.25s ease;
}
#program_con .group .view:hover{
  background: #259ad6;
  border-color: #259ad6;
}
#program_con .group .view:hover::after{
  color: #fff;
}

/* group */

#engineering_con .group, #refrigeration_con .group, #finance_con .group,#supervision_con .group,
#huochedingwei_con .group, #design_con .group{
  padding: 60px 0 70px;
  margin-bottom: 36px;
  background: #fff;
}

#engineering_con .group h1,#refrigeration_con .group h1 ,#finance_con .group h1,#supervision_con .group h1,
#huochedingwei_con .group h1, .group h1{
  margin-top: 0;
  margin-bottom: 0px;
  font-size: 45px;
  font-weight: 900;
  color: #313131;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  text-align: center;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 40px
}
#engineering_con .group p,#refrigeration_con .group p, #finance_con .group p, #supervision_con .group p,
#huochedingwei_con .group p, .group p{
  text-align: center;
  color: #969595;
  font-size: 16px;
  padding: 0 109px;
  margin: 0 0 40px 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
}
#refrigeration_con .group .img, #finance_con .group .img, #supervision_con .group .img,
#huochedingwei_con .group .img, .group .img{
  width: 100%;
}
#engineering_con .group .topimgbox,#huochedingwei_con .group .topimgbox{
  height: 470px;
  width: 100%;
}
#engineering_con .group .topimgbox .imgbox,
#huochedingwei_con .group .topimgbox .imgbox{
  width: 400px;
  height: 405px;
  margin: 0 auto;
}
#engineering_con .group .topimgbox .imgleft,
#huochedingwei_con .group .topimgbox .imgleft{
  float: left;
  width: 230px;
  height: 405px;
  padding-left: 109px;
  box-sizing: unset;
}
#engineering_con .group .topimgbox ul li,
#huochedingwei_con .group .topimgbox ul li {
  margin-bottom: 35px;
}

#engineering_con .group .topimgbox  ul li h5,
#huochedingwei_con .group .topimgbox  ul li h5{
  font-size: 16px;
  color: #259ad6;
}
#engineering_con .group .topimgbox  ul li span,
#huochedingwei_con .group .topimgbox  ul li span{
  display: block;
  font-size: 14px;
  color: #707070;
}
#engineering_con .group .topimgbox .imgright,
#huochedingwei_con .group .topimgbox .imgright{
  float: right;
  width: 260px;
  height: 405px;
  padding-right: 109px;
  box-sizing: unset;
}
#engineering_con .group .advantage ,#refrigeration_con .group .advantage{
  width: 100%;
}
#engineering_con .group .advantage .advantagebox, #refrigeration_con .group .advantage .advantagebox,
#finance_con .group .advantage .advantagebox,#supervision_con .group .advantage .advantagebox,
#huochedingwei_con .group .advantage .advantagebox{
  width: 25%;
  float: left;
}
#engineering_con .group .advantage .advantagebox img
,#supervision_con .group .advantage .advantagebox img,
#huochedingwei_con .group .advantage .advantagebox img{
  width: 81px;
  height: 87px;
  margin: 0 auto;
  display: block;
}
#engineering_con .group .advantage .advantagebox span,#refrigeration_con .group .advantage .advantagebox span,
#finance_con .group .advantage .advantagebox span,#supervision_con .group .advantage .advantagebox span,
#huochedingwei_con .group .advantage .advantagebox span{
  display: block;
  text-align: center;
  font-weight: 900;
  font-size: 18px;
  color: #fff;
  line-height: 18px;
  margin-top:25px ;
}
#engineering_con .group .application{
  width: 100%;
}
#engineering_con .group .application .applicationbox{
  width: 307px;
  float: left;
}
#engineering_con .group .application .applicationbox h4{
  color: #259ad6;
  font-size: 18px;
  line-height: 18px;
  margin:35px 0 27px 0;
}
#engineering_con .group .application .applicationbox span{
  font-size: 16px;
  color: #707070;
  line-height: 30px;
}
/* 合作客户 */
#engineering_con .group .cooperation,#refrigeration_con .group .cooperation,#finance_con .group .cooperation,
#supervision_con .group .cooperation,#huochedingwei_con .group .cooperation, .group .cooperation{
  width: 100%;
  margin-bottom: 32px;
}
#engineering_con .group .cooperation img,#refrigeration_con .group .cooperation img,
#finance_con .group .cooperation img,#supervision_con .group .cooperation img,
#huochedingwei_con .group .cooperation img, .group .cooperation img{
  float: left;
  padding: 0 10px;
}
#refrigeration_con .group .advantage .advantagebox .imgbox{
  width: 78px;
  height: 72px;
  margin: 0 auto;
}
#refrigeration_con .group .advantage .advantagebox .imgbox img{
  width: 100%;
  height: 116%;
}
#refrigeration_con .group .carbox{
  width: 100%;
}
#refrigeration_con .group .carbox .car{
  width: 307px;
  float: left;
}
#refrigeration_con .group .carbox .car h4{
  color: #259ad6;
  font-size: 18px;
  line-height: 18px;
  margin:35px 0 27px 0;
}
#refrigeration_con .group .carbox .car span{
  font-size: 16px;
  color: #707070;
  line-height: 30px;
}
#finance_con .group h2{
  position: absolute;
  top:184px;
  font-size: 45px;
  font-weight: 900;
  color: #fff;
  left: 86px;
}
#finance_con .group .finance_con_p{
  position: absolute;
  top:290px;
  width: 40%;
  text-align: left;
  padding: 0;
  left: 86px;
  color: #fff;
  font-size: 16px;
}
#finance_con .group .device{
  width: 50%;
  box-sizing: border-box;
  float: left;
  padding: 0 71px;
}
#finance_con .group .advantage .advantagebox .imgbox{
  width: 81px;
  height: 80px;
  margin: 0 auto;
}
#finance_con .group .device h4{
  color: #259ad6;
  font-size: 18px;
  line-height: 18px;
  margin:35px 0 16px 0;
}
#finance_con .group .device span{
  font-size: 16px;
  color: #707070;
  line-height: 30px;
}
#finance_con .group .alarm{
  width: 100%;
}
#finance_con .group .alarm .alarm_con{
  width: 50%;
  float: left;
  padding-left:60px;
}
#finance_con .group .alarm .alarm_con h3{
  color:#259ad6;
  margin-bottom:18px;
}
#finance_con .group .alarm .alarm_con span{
  color:#fff;
  font-size: 14px;
  display: block;
  width: 432px;
}
#huochedingwei_con .group .advantage .advantagebox img{
  width: 80px;
  height: 79px;
}
 .group .designimg{
  max-width: 1010px;
  width: 100%;
  height: 197px;
  margin: 0 auto 68px;
  box-sizing: border-box;
}
 .group .designimg img {
  width: 100%;
  height: 100%;
}
 .group .designlist {
  max-width: 1010px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}
 .group .designlist .designlist_con{
  min-height: 147px;
  border-bottom:1px solid #e1e1e1;
}
 .group .designlist .designlist_con h5{
  font-size: 24px;
  font-weight: 900;
  line-height: 147px;
  float: left;
  margin: 0;
  padding: 0 40px;
}
 .group .designlist .designlist_con li{
  padding: 64px 50px;
  list-style: square;
  float: left;
  font-size: 18px;
  font-weight: 900;
  box-sizing: border-box;
}
 .group .designlist .designlist_conn li{
  padding: 64px 44px;
}

 .group .designlist .designlist_con_s li{
  padding: 0 22px;
  line-height: 48px;

}

/* 定制参数卡片样式 */
.design-card {
  margin-bottom: 20px;
  padding: 0 10px;
}

.design-card .card-inner {
  background: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 10px;
  padding: 28px 15px;
  text-align: center;
  height: 100%;
  min-height: 160px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.design-card .card-inner:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(37, 154, 214, 0.15);
  border-color: #e9ecef;
}

.design-card .card-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #259ad6, #1a7bb8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.design-card .card-icon i {
  font-size: 22px;
  color: #fff;
}

.design-card .card-title {
  font-size: 16px;
  font-weight: 700;
  color: #313131;
  margin-bottom: 12px;
}

.design-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.design-card .tag {
  background: #fff;
  color: #666;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 15px;
  border: 1px solid #e0e0e0;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .design-card .card-inner {
    min-height: 140px;
    padding: 15px 10px;
  }
  
  .design-card .card-icon {
    width: 40px;
    height: 40px;
  }
  
  .design-card .card-icon i {
    font-size: 18px;
  }
  
  .design-card .card-title {
    font-size: 14px;
  }
  
  .design-card .tag {
    font-size: 11px;
    padding: 3px 8px;
  }
}

/* 定制流程卡片样式 - 高端设计 */
.process-flow {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex-wrap: nowrap;
  gap: 0;
  padding: 40px 30px;
  max-width: 1400px;
  margin: 0 auto;
  overflow-x: auto;
  position: relative;
}

/* 背景装饰 */
.process-flow::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(37, 154, 214, 0.3) 20%, rgba(37, 154, 214, 0.3) 80%, transparent 100%);
  transform: translateY(-50%);
  z-index: 0;
}

.process-card {
  flex: 1;
  min-width: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  padding: 35px 20px 30px;
  margin: 0 8px;
  text-align: center;
  position: relative;
  z-index: 1;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(37, 154, 214, 0.08);
}

.process-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(37, 154, 214, 0.2);
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(37, 154, 214, 0.3);
}

/* 步骤编号 - 圆形徽章 */
.process-card .process-num {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #259ad6, #1a7bb8);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(37, 154, 214, 0.4);
  border: 3px solid #fff;
}

.process-card .process-title {
  font-size: 17px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 15px 0 12px;
  letter-spacing: 0.5px;
}

.process-card .process-desc {
  font-size: 14px;
  color: #666;
  line-height: 1.7;
  padding: 0 5px;
}

/* 步骤之间的箭头 */
.process-card::after {
  display: none;
}

.process-card:last-child::after {
  display: none;
}

.process-arrow {
  display: none;
}

@media (max-width: 768px) {
  .process-flow {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding: 30px 15px;
    -webkit-overflow-scrolling: touch;
  }
  
  .process-flow::before {
    display: none;
  }
  
  .process-card {
    min-width: 180px;
    flex: 0 0 180px;
    margin: 0 6px;
    padding: 30px 15px 25px;
  }
  
  .process-card::after {
    display: none;
  }
  
  .process-card .process-title {
    font-size: 15px;
  }
  
  .process-card .process-desc {
    font-size: 11px;
  }
}

/* ===== design.css 响应式适配 ===== */

/* 平板及以下 (≤992px) */
@media (max-width: 992px) {
  .design .about_nav ul {
    padding: 0 20px;
  }

  #program_con,#engineering_con,#refrigeration_con,#finance_con,#supervision_con,#huochedingwei_con {
    padding: 0 20px;
  }

  #program_con .group {
    width: 100%;
    max-width: 584px;
    height: auto;
    float: none;
    margin: 0 auto 27px;
  }
  #program_con .group .imgbox {
    height: 0;
    padding-bottom: 60%;
    position: relative;
  }
  #program_con .group .imgbox img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .group .designimg,
  .group .designlist {
    padding: 0 20px;
  }

  #engineering_con .group .topimgbox .imgleft,
  #huochedingwei_con .group .topimgbox .imgleft {
    padding-left: 30px;
  }

  #engineering_con .group .topimgbox .imgright,
  #huochedingwei_con .group .topimgbox .imgright {
    padding-right: 30px;
  }

  #finance_con .group .device {
    padding: 0 30px;
  }

  #finance_con .group .alarm .alarm_con {
    padding-left: 30px;
  }

  #finance_con .group .alarm .alarm_con span {
    width: auto;
  }
}

/* 手机 (≤768px) */
@media (max-width: 768px) {
  .design .about_nav ul {
    padding: 0 15px;
  }

  #program_con,#engineering_con,#refrigeration_con,#finance_con,#supervision_con,#huochedingwei_con {
    padding: 0 15px;
  }

  /* Solution卡片：取消固定高度，自适应内容 */
  #program_con .group {
    width: 100%;
    height: auto;
    max-width: 100%;
    float: none;
    margin: 0 auto 20px !important;
    margin-right: 0 !important;
    padding-bottom: 15px;
  }
  #program_con .group:nth-child(odd) {
    margin-right: 0 !important;
  }
  /* 图片容器：自适应高度，防止拉伸变形 */
  #program_con .group .imgbox {
    height: 0;
    padding-bottom: 60%;   /* 5:3 宽高比 */
    position: relative;
  }
  #program_con .group .imgbox img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  /* 标题和文字间距调整 */
  #program_con .group h4 {
    padding-left: 16px;
    padding-right: 16px;
    padding-top: 12px;
    font-size: 16px;
    line-height: 1.5;
  }
  #program_con .group p {
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 40px;
    font-size: 13px;
    line-height: 1.6;
  }
  /* "查看"按钮 */
  #program_con .group .view {
    bottom: 12px;
    right: 16px;
  }

  #engineering_con .group .topimgbox,
  #huochedingwei_con .group .topimgbox {
    height: auto;
  }

  #engineering_con .group .topimgbox .imgbox,
  #huochedingwei_con .group .topimgbox .imgbox {
    width: 100%;
    height: auto;
    margin: 15px auto;
  }

  #engineering_con .group .topimgbox .imgleft,
  #huochedingwei_con .group .topimgbox .imgleft {
    float: none;
    width: 100%;
    height: auto;
    padding: 0 15px;
    box-sizing: border-box;
  }

  #engineering_con .group .topimgbox .imgright,
  #huochedingwei_con .group .topimgbox .imgright {
    float: none;
    width: 100%;
    height: auto;
    padding: 0 15px;
    box-sizing: border-box;
  }

  #engineering_con .group .advantage .advantagebox,
  #refrigeration_con .group .advantage .advantagebox,
  #finance_con .group .advantage .advantagebox,
  #supervision_con .group .advantage .advantagebox,
  #huochedingwei_con .group .advantage .advantagebox {
    width: 50%;
    margin-bottom: 20px;
  }

  #engineering_con .group .application .applicationbox,
  #refrigeration_con .group .carbox .car {
    float: none;
    width: 100%;
  }

  #finance_con .group .device {
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  #finance_con .group .alarm .alarm_con {
    width: 100%;
    float: none;
    padding: 0 15px;
    box-sizing: border-box;
    margin-bottom: 20px;
  }

  #engineering_con .group h1,#refrigeration_con .group h1,#finance_con .group h1,#supervision_con .group h1,
  #huochedingwei_con .group h1, .group h1 {
    font-size: 28px;
    padding-bottom: 20px;
  }

  #engineering_con .group p,#refrigeration_con .group p, #finance_con .group p, #supervision_con .group p,
  #huochedingwei_con .group p, .group p {
    padding: 0 20px;
  }

  .group .designimg {
    height: auto;
  }

  .group .designlist .designlist_con h5 {
    float: none;
    line-height: 1.5;
    padding: 10px 20px;
  }

  .group .designlist .designlist_con li {
    padding: 10px 20px;
    line-height: 1.5;
  }
}