html {
  font-size: 16px;
  /* 基准值 */
}

.head {
  position: relative;
  width: 99vw;
  /* 100%视口宽度 */
  height: 32vw;
  /* 100%视口高度 */
  background-image: url(https://eventech.oss-cn-shanghai.aliyuncs.com/web/image/head.png);
  background-size: auto 50vw;
  background-repeat: no-repeat;
  /* 避免图片重复 */
  background-position: center;
  /* 图片居中显示 */
}

/* 添加蒙层 */
.head::after {
  content: "";
  position: absolute;
  width: 99vw;
  height: 32vw;
  background-color: rgba(0, 0, 0, 0.2);
  z-index: 2;
  /* 确保蒙层在内容上方 */
}

.go-back {
  position: absolute;
  color: #e3e4e8;
  font-size: 1rem;
  cursor: pointer;
  z-index: 8;
  display: flex;
  padding-top: 7.5vw;
  padding-left: 15.9375rem;
  height: 2vw;
  width: 5vw;
}

.back-arrow {
  font-size: 1.9vw;
  font-weight: 100;
  margin-top: -0.5vw;
  margin-right: -0.3vw;
  height: 2vw;
  line-height: 2vw;
}


.go-back:active {
  transform: translateY(2px);
  color: #b0d7e8;
  /* box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); */
}

.screen-warpper {
  padding-top: 10vw;
  padding-left: 10vw;
  position: absolute;
  z-index: 5;
  display: flex;
  width: 86%;
}

.image-wrapper {
  width: 40vw;
  padding-left: 4%;
}

.screen-introduce {
  display: flex;
  width: 44vw;
  /* padding-top: 4vw; */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1vw;
}

.screen-introduce .div-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  align-self: stretch;
  flex: 0 0 auto;
}

.screen-introduce .text-wrapper {
  align-self: stretch;
  font-family: " Microsoft YaHei-Bold", Helvetica;
  font-weight: 700;
  color: #ffffff;
  font-size: 2.25rem;
  line-height: 4.5vw;
  position: relative;
  letter-spacing: 0;
}

.screen-introduce .div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  align-self: stretch;
  width: 100%;
  flex: 0 0 auto;
  opacity: 0.9;
}

.screen-introduce .text-wrapper-2 {
  align-self: stretch;
  font-family: " Microsoft YaHei-Light", Helvetica;
  font-weight: 300;
  color: #ffffff;
  font-size: 1.25rem;
  line-height: 28px;
  position: relative;
  letter-spacing: 0;
}

.screen-introduce .view-2 {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: Opx 1vw;
  position: relative;
  align-self: stretch;
  width: 100%;
  flex: 0 0 auto;
}

.screen-introduce .view-3 {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0.75vw 1.5vw;
  align-self: stretch;
  font-size: 1vw;
  flex: 0 0 auto;
  border: 2px solid;
  border-color: #ffffff;
  color: #fff;
  border-radius: 33554400px;
}

/* 悬浮动画效果 */
.screen-introduce .view-2 :hover {
  background-color: #fff;
  color: #284189;
  /* transform: translateY(-2px); */
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
}



.screen-product {
  display: flex;
  flex-direction: column;
  width: 99vw;
  height: 15vw;
  align-items: center;
  padding-top: 2%;
  /* padding-left: 10%; */
  background-color: #ffffff;
}

.screen-product view {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1.9vw;
  flex: 0 0 auto;
}

.screen-product .div {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  flex: 0 0 auto;
  padding-left: 10%;
}

.screen-product .text-wrapper {
  width: fit-content;
  font-family: " Microsoft YaHei-Bold", Helvetica;
  font-weight: 700;
  color: #284189;
  font-size: 2.25rem;
  line-height: 4vw;
  white-space: nowrap;
  /* position: relative; */
  margin-top: -1px;
  letter-spacing: 0;
}

.screen-product .background {
  position: relative;
  width: 5.5vw;
  height: 0.2vw;
  top: -0.5vw;
  left: 10%;
  padding-left: 10%;
  background-color: #4da6cb;
}

.screen-product .div-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5vw;
  /* padding: 0.3vw 8vw; */
  position: relative;
  flex: 0 0 auto;
}

.screen-product .text-wrapper-2 {
  width: 100%;
  font-family: " Microsoft YaHei-Regular", Helvetica;
  font-weight: 400;
  color: #2e3138;
  font-size: 1.25rem;
  text-align: justify;
  line-height: 29.2px;
  position: relative;
  letter-spacing: 0;
  padding-top: 3%;
  padding: 3% 10% 0 0%;
  font-size: 1rem;
}


.screen-test {
  display: flex;
  width: 99vw;
  align-items: center;
  padding-left: 10%;
  padding-top: 3%;
  padding-bottom: 3%;
  background-color: #fafafa;
}

.screen-test .view {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2vw;
  flex: 0 0 auto;
  width: 90%;
}

.screen-test .div {
  display: flex;
  flex-direction: column;
  width: 100%;
  align-items: flex-start;
  position: relative;
  flex: 0 0 auto;

}

.screen-test .text-wrapper {
  width: fit-content;
  font-family: "Microsoft YaHei-Bold", Helvetica;
  font-weight: 700;
  color: #284189;
  font-size: 2.25rem;
  line-height: 60px;
  white-space: nowrap;
  position: relative;
  letter-spacing: 0;
}

.screen-test .background {
  position: relative;
  width: 100%;
  height: 0.2vw;
  /* top: -1.2vw; */
  background-color: #4da6cb;
}

.screen-test .div-wrapper {
  width: 100%;
}

.screen-test .div-wrapper-2 {
  width: 100%;
  /* font-weight: 400; */
  color: #2e3138;
  font-size: 1rem;
  text-align: center;
}

.screen-test .element {
  display: flex;
  gap: 1vw;
}

.screen-test .view-2 {
  width: 36vw;
  height: 18vw;
  border-radius: 10px;
}

.screen-test .view-3 {
  width: 36vw;
  height: 18vw;
  border-radius: 10px;
}


.screen-project {
  display: flex;
  width: 100%;
  align-items: center;
  /* padding: 50px 0px 100px; */
  padding-left: 10vw;
  padding-top: 3vw;
  padding-bottom: 3vw;
  background-color: #ffffff;
}

.screen-project .view {
  width: 80vw;
  position: relative;
  display: inline-flex;
  flex-direction: column;
  /* align-items: center; */
  gap: 1.2vw;
  flex: 0 0 auto;
  width: 90%;
}

.screen-project .div {
  display: flex;
  flex-direction: column;
  width: 100%;
  align-items: flex-start;
  position: relative;
  flex: 0 0 auto;
}

.screen-project .text-wrapper {
  font-family: "Microsoft YaHei-Bold", Helvetica;
  font-weight: 700;
  color: #284189;
  font-size: 2.25rem;
  line-height: 60px;
  position: relative;
  letter-spacing: 0;
}

.screen-project .background {
  position: relative;
  width: 5.5vw;
  height: 0.2vw;
  /* top: -1.2vw; */
  left: 0;
  background-color: #4da6cb;
}

.screen-project .view-2 {
  /* margin-left: 36px; */
  margin-top: 3.5vh;
  width: 46%;
  align-items: flex-start;
  justify-content: center;
  z-index: 0;
  padding-left: 2vw;
}

.screen-project .text-wrapper-2 {
  align-self: stretch;
  font-family: "Microsoft YaHei-Bold", Helvetica;
  font-weight: 700;
  color: #284189;
  font-size: 1.25rem;
  line-height: 1.8vw;
  /* margin-top: -1.00px; */
  letter-spacing: 0;
}

.screen-project .img {
  width: 1vw;
  height: 1vw;
}

.screen-project .text-wrapper-3 {
  width: 100%;
  font-family: "Microsoft YaHei-Regular", Helvetica;
  font-weight: 400;
  color: #112F3B;
  font-size: 1rem;
  line-height: 2.2vw;
  padding-top: 0.8vw;
  display: flex;
  align-items: center;
  gap: .3125rem;
}

.screen-project .text-wrapper-3 img {
  width: 1.1vw;
  height: 1.1vw;
}


/* 为横线设置样式 */
/* 设置横线样式，并将其与文字中线对齐 */
.line-after-pump {
  margin-top: 1vw;
  display: inline-block;
  flex-grow: 1;
  /* 撑满剩余空间 */
  height: 0.1vw;
  /* 线条厚度 */
  background-color: #b0d7e8;
  /* 线条颜色 */
  margin-left: 0.3vw;
  /* 调整与文字之间的距离 */
  vertical-align: middle;
  /* 垂直居中对齐 */
}

.screen-project .vector {
  width: 408px;
  position: relative;
  height: 1px;
  object-fit: cover;
}

.screen-project .element {
  display: flex;
  align-items: flex-start;
  margin: -12px 0px 0px 10px;
  gap: 8px;
  align-self: stretch;
  width: 100%;
}

.screen-project .margin {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 4px 8px 0px 0px;
  position: relative;
  flex: 0 0 auto;
}

.screen-project .text-wrapper-4 {
  width: fit-content;
  font-family: "Microsoft YaHei-Regular", Helvetica;
  font-weight: 400;
  color: #16325c;
  font-size: 16px;
  line-height: 24px;
  white-space: nowrap;
  /* position: relative; */
  /* margin-top: -1.00px; */
  letter-spacing: 0;
}

.screen-project .vector-2 {
  width: 389px;
  position: relative;
  height: 1px;
  object-fit: cover;
}

.screen-soft {
  display: flex;
  width: 99vw;
  align-items: center;
  padding-left: 10%;
  padding-top: 3%;
  padding-bottom: 3%;
  background-color: #fafafa;
}

.screen-soft .view {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  flex: 0 0 auto;
  width: 90%;
}

.screen-soft .div {
  display: flex;
  flex-direction: column;
  /* width: 1486px; */
  width: 100%;
  align-items: flex-start;
  position: relative;
  flex: 0 0 auto;

}

.screen-soft .text-wrapper {
  width: fit-content;
  font-family: "Microsoft YaHei-Bold", Helvetica;
  font-weight: 700;
  color: #284189;
  font-size: 2.25rem;
  line-height: 60px;
  white-space: nowrap;
  position: relative;
  letter-spacing: 0;
}

.screen-soft .div-wrapper {
  width: 100%;
}

.screen-soft .div-wrapper-2 {
  width: 100%;
  padding-top: 1%;
  font-weight: 400;
  color: #2e3138;
  font-size: 1vw;
  text-align: center;
  position: relative;
  letter-spacing: 0;
}

.card-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20vw, 1fr));
  gap: 1.5vw;
}

.card {
  background: white;
  border-radius: 10px;
  padding: 1.2vw 0.8vw;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-top: 4px solid #2c5282;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.card h2 {
  color: #2c5282;
  padding-bottom: 10px;
  display: flex;
  align-items: center;
  position: relative;
  align-self: stretch;
  font-family: " Microsoft YaHei-Bold", Helvetica;
  font-weight: 700;
  color: #284189;
  font-size: 1.2vw;
  letter-spacing: 0;
  line-height: 2.2vw;
}

.card h2 i {
  margin-right: 10px;
  color: #4a7bc3;
}

.card ul {
  list-style-type: none;
  padding-left: 10px;
  margin: 0;
}

.card li {
  margin-bottom: 10px;
  /* padding-left: 25px; */
  position: relative;
  color: #5C6170;
}

/* .card li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: #4a7bc3;
  font-weight: bold;
  font-size: 1.2rem;
} */


.screen-bottom {
  display: flex;
  width: 99vw;
  align-items: center;
  /* padding: 50px 0px 100px; */
  padding-left: 10%;
  padding-top: 3%;
  padding-bottom: 3%;
  background-color: #ffffff;
}

.screen-bottom .view {
  width: 90%;
  position: relative;
}

.screen-bottom .text-wrapper {
  width: fit-content;
  font-family: "Microsoft YaHei-Bold", Helvetica;
  font-weight: 700;
  color: #284189;
  font-size: 2.25rem;
  line-height: 60px;
  white-space: nowrap;
  position: relative;
  letter-spacing: 0;
}

.screen-bottom .background {
  position: absolute;
  width: 90px;
  height: 4px;
  top: 60px;
  left: 0;
  background-color: #4da6cb;
}

.screen-bottom .content {
  width: 100%;
  padding: 30px 0 30px 0;
}

.screen-bottom h1 {
  color: #0056b3;
  border-bottom: 2px solid #0056b3;
  padding-bottom: 5px;
  margin-bottom: 20px;
}

.screen-bottom .case-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 20px;
}

.screen-bottom .case-item {
  /* background-color: #0056b3; */
  /* padding: 20px; */
  color: #5c6170;
  background: linear-gradient(to right, #fafafa, #fafafa);
  box-shadow: 0 3px 5px 0 rgba(0, 0, 0, 0.1);
  height: 9.5vh;
  width: 18.7vw;
  margin-bottom: 20px;
  /* width: calc(25% - 15px); */
  text-align: center;
  line-height: 9.5vh;
  border-radius: 5px;
}

.card li {
  display: flex;
  align-items: center;
  gap: .3125rem;
}

.text-sub-title::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 0.2vw;
  top: 60px;
  transform: translateX(-10%);
  left: 10%;
  background-color: #4da6cb;
}

@keyframes border-rotate {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.help-btn-gradient {
  background: linear-gradient(90deg, #4facfe 0%, #00f2fe 50%, #4facfe 100%);
  background-size: 200% auto;
  animation: border-rotate 3s linear infinite;
  border: none;
}