/* header */
header .nav {
  position: absolute;
  width: 100%;
  top: 100%;
  left: 0;
  box-shadow: none;
}
.class-tit a {
  color: #30b2be;
}
.class-tit a:hover {
  text-decoration: underline;
}

/* product */
.product .class-tit {
  margin-bottom: 0.6rem;
  margin-top: 0.7rem;
}
.product .item {
  margin-bottom: 0.5rem;
}
.product .item a {
  display: block;
}
.product .item .img-box {
  position: relative;
}
.product .item .img-box::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background-color: #dbe7f5;
  z-index: -1;
  transition: all 0.3s;
}
.product .item h3 {
  text-align: center;
  margin-top: 0.3rem;
  font-size: 18px;
}
.product .item:hover .img-box::after {
  height: 100%;
}
.product .item:hover h3 {
  color: #304d67;
}
.cut-off {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 150px;
  margin-top: 1rem;
  margin-bottom: 0.9rem;
}
.cut-off h2 {
  font-size: 36px;
  /* height: 150px;
  line-height: 150px; */
}
.cut-off p {
  font-size: 18px;
  line-height: 1.5;
}
.cut-off a {
  font-size: 24px;
  margin-top: 10px;
  text-decoration: underline;
}
.cut-off {
  background-color: #30b2be;
  color: #fff;
}
/* .cut-off.light {
  background-color: #dbe7f5;
  color: #304d67;
} */
/* solution */
.solution .class-tit {
  margin-bottom: 0.5rem;
}
.solution .item a::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(48, 77, 103, 0.4);
}
.solution .item a h3 {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 20px;
  color: #fff;
  z-index: 10;
  width: 80%;
  text-align: center;
}
.cut-off2 a {
  font-weight: 600;
  padding-right: 50px;
  background: url(../images/1-19.png) no-repeat right center;
  line-height: 35px;
  display: block;
  text-align: right;
}
/* case */
.case .class-tit {
  margin-bottom: 0.5rem;
}
.case .item h3 {
  font-size: 18px;
  margin-top: 28px;
  text-align: center;
}
.case .btn a {
  font-size: 20px;
  margin-top: 0.66rem;
  line-height: 52px;
  padding: 0 0.3rem;
  border: 4px solid #304d67;
  color: #304d67;
  border-radius: 15px;
}
/* news */
.news .class-tit {
  margin-bottom: 0.54rem;
}
.news .left .item .img-box span {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 12px 23px;
  background-color: #dbe7f5;
  font-weight: 600;
  border-top-right-radius: 15px;
  color: #304d67;
}
.news .item h3 {
  font-size: 20px;
  line-height: 1.5;
  margin: 30px 0 20px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
}
.news .item p {
  line-height: 1.8;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
}
.news .left .item h3 {
  -webkit-line-clamp: 2; /*需要显示几行文本就把数字改成几*/
}
.news .left .item p {
  -webkit-line-clamp: 4; /*需要显示几行文本就把数字改成几*/
}
.news .left .item a.btn {
  font-size: 18px;
  font-weight: 600;
  color: #304d67;
  background: #dbe7f5 url(../images/1-31.png) no-repeat 120px center;
  padding: 10px 35px 10px 14px;
  border-radius: 9px;
  margin-top: 28px;
}
.news .right .item {
  margin-bottom: 30px;
}
.news .right .item:last-child {
  margin-bottom: 0;
}
.news .right .item h3 {
  -webkit-line-clamp: 1; /*需要显示几行文本就把数字改成几*/
  margin-top: 0;
}

.news .right .item span {
  color: #999;
  display: block;
  margin-bottom: 18px;
}
.news .right .item p {
  -webkit-line-clamp: 2; /*需要显示几行文本就把数字改成几*/
}

@media (max-width: 1439px) {
  .cut-off h2 {
    font-size: 30px;
  }
  .cut-off a {
    font-size: 20px;
  }
  .solution .item a h3 {
    font-size: 18px;
  }
}
@media (max-width: 991px) {
  .cut-off h2 {
    font-size: 26px;
  }
  .cut-off p {
    font-size: 14px;
  }
  .cut-off a {
    font-size: 18px;
  }
  .solution .item a h3 {
    font-size: 14px;
  }
  .case .item h3 {
    font-size: 16px;
    margin-top: 18px;
  }
  .case .btn a {
    font-size: 16px;
    line-height: 40px;
    border: 2px solid #304d67;
    border-radius: 8px;
  }
  .news .item h3 {
    font-size: 16px;
    margin: 20px 0 14px;
    line-height: 1.3;
  }
  .news .left .item a.btn {
    font-size: 16px;
  }
  .news .right .item {
    margin-bottom: 14px;
  }
  .news .right .item span {
    margin-bottom: 12px;
  }
}
@media (max-width: 767px) {
  .product .item {
    margin-bottom: 0.8rem;
  }
  .product .item h3 {
    font-size: 14px;
  }
  .product .item .img-box::after {
    height: 100%;
  }
  .cut-off h2 {
    display: none;
  }
  .solution .item {
    margin-bottom: 12px;
  }
  .cut-off2 a {
    text-align: left;
    background-position-x: 300px;
  }
  .case .item h3 {
    font-size: 14px;
    margin: 12px 0 20px;
  }
  .news .left .item a.btn {
    font-size: 14px;
    background-position-x: 112px;
  }
  .news .right .item {
    margin: 30px 0 0;
  }
}
