/*开发前务必看readme*/

@font-face{
  font-family: AliMedium;
  src:url(./assets/Alibaba-PuHuiTi-Medium.ttf)
}
@font-face{
  font-family: AliBold;
  src:url(./assets/Alibaba-PuHuiTi-Bold.ttf)
}
@font-face{
  font-family: AliLight;
  src:url(./assets/Alibaba-PuHuiTi-Light.ttf)
}
@font-face{
  font-family: AliRegular;
  src:url(./assets/Alibaba-PuHuiTi-Regular.ttf)
}
@font-face{
  font-family: AliHeavy;
  src:url(./assets/Alibaba-PuHuiTi-Heavy.ttf)
}
@font-face{
  font-family: AliSans;
  src:url(./assets/AlibabaSans-Regular.otf)
}

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

a{
  text-decoration: none;
}


html{
  font-size: 100px;
}

/*竖屏适配轮播图*/
@media (max-width: 500px) {
  .carousel-section .carousel-area{
    gap:0.1rem !important;
    padding:0.1rem 0.1rem !important;
  }
  .carousel-button.left{
    left:-0.7rem !important;
  }
  .carousel-button.right{
    right:-0.7rem !important;
  }
}
@media (max-width: 767px) {
  html {
    font-size: 50px;
  }
  .navbar{
    padding: 0.05rem !important;
  }
  .navbar .navbar-left {
    font-size: 0.1rem !important;
    gap:0.02rem !important;
  }
  .navbar .navbar-left img{
    width: 0.9rem !important;
  }
  .navbar .navbar-center .nav-center-item{
    width: 0.7rem !important;
    font-size: 0.15rem !important;
  }
  

}

/* 小屏手机（< 450px） */
@media (max-width: 450px) {
  html {
    font-size: 40px;
  }
  .navbar{
    padding: 0 !important;
  }
  .navbar .navbar-center{
    gap:0 !important;
  }
  
}

body {
  background-image: url(./assets/mainBg-en.png);
  background-repeat: no-repeat;
  font-family: "AliRegular", 'AliSans';
  color: #000;
  width: 100vw;
  overflow-x: hidden;
  position: relative;
  background-size: contain;
}

.blue-font{
  color:rgb(0, 153, 242);
}

.navbar {
  z-index: 1000; 
  top: 0;
  left: 0;
  width: 100vw;
  height: 0.64rem;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  position: fixed;
}
.navbar .navbar-left {
  display: flex;
  align-items: center;
  gap: 0.12rem;
  position: absolute;
  left: 2rem;
}
.navbar .navbar-left img {
  height: 0.17rem;
}

hr {
  width: 0.01rem; 
  height: 0.16rem; 
  border: 0.01rem solid rgb(180, 180, 180);
}
.navbar .navbar-left span {
  color: rgba(0, 0, 0, 0.9);
  font-size: 0.14rem;
}

.navbar .navbar-center {
  display: flex;
  font-family:  "AliLight";
  font-weight: 300;
  gap:0.3rem;
}

.navbar .navbar-center .nav-center-item {
  width: fit-content;
  font-size: 0.17rem;
  cursor: pointer;
  line-height: 0.61rem;
  text-align: center;
  color:black;
  transition: color 0.4s;
  text-decoration: none;
  font-weight: bold;
  border-bottom: 0.03rem solid transparent;
}
.navbar .navbar-center .active{
  color:#0099f2;
  background-color: #fff;
  border-bottom: 0.03rem solid rgb(0, 153, 242);
}
.navbar .navbar-center .nav-center-item:hover {
  color:#0099f2;
}



.main-box{
  padding-top: 0.64rem;
}

.hero-section {
  position: relative;
  width: 100%;
  height: 7rem;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-section .hero-area{
  width: 100%;
  margin: 0 2rem;
}

.hero-section .hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
  color: #000;
}

.hero-content img{
  height: 0.56rem;
}

.hero-section .hero-content .second-line {
  font-size: 0.52rem;
  line-height: 0.52rem;
  letter-spacing: 0.01rem;
  text-align: left;
  font-family: AliMedium;
  white-space: nowrap;
  position: relative;
  z-index: 199;
  display: block;
}

.hero-section .hero-content  .third-line {
  color: rgba(0, 0, 0, 0.6);
  font-size: 0.26rem;
  font-weight: 400;
  letter-spacing: 0%;
  text-align: left;
  position: relative;
  color: rgb(0, 153, 242);
}

.hero-buttons {
  display: flex;
  gap: 0.3rem;
  margin-top: 0.4rem;
}

.btn-primary-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.12rem 0.32rem;
  background-color: #0099f2;
  color: #ffffff;
  font-size: 0.18rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary-hero:hover {
  background-color: #33adf5;
  box-shadow: 0 2px 8px rgba(0, 153, 242, 0.3);
  transform: translateY(-2px);
}

.btn-secondary-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.12rem 0.32rem;
  background-color: #ffffff;
  color: #333333;
  font-size: 0.18rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 1rem;
  transition: all 0.3s ease;
  border: 1px solid #dcdfe6;
  cursor: pointer;
}

.btn-secondary-hero:hover {
  color: #0099f2;
  border-color: #0099f2;
  background-color: #f5f7fa;
  box-shadow: 0 2px 8px rgba(0, 153, 242, 0.1);
  transform: translateY(-2px);
}




.carousel-section{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.carousel-section .carousel-area{
  width: 75vw;
  position: relative;
  display: flex;
  flex-direction: row;
  justify-content: center;
  border-radius: 16px;
  gap:0.1rem;
  padding: 0.6rem;
  background: rgba(255, 255, 255, 0.4);
  box-shadow: 0px 4px 24px 0px rgba(0, 0, 0, 0.1);
}
.carousel-desc{
  display: flex;
  width: 20vw;
  flex-direction: column;
  justify-content: center;
}
.carousel-desc .carousel-desc-item{
  font-size: 0.28rem;
  display: flex;
  flex-direction: column;
  gap:0.4rem;
}
.carousel-desc-item .carousel-desc-item-title{
  font-size: 0.32rem;
  color:#0099F2
}
.carousel-desc-item .carousel-desc-item-content{
  font-size: 0.24rem;
  color:rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  align-items: start;
  font-family: 'AliLight';
}

.carousel-wrapper {
  display: flex;
  width: 45vw;
  justify-content: center;
  align-items: center;
  position: relative;
  flex-direction: column;
}

.carousel-wrapper .carousel-frame {
  position: relative;
  width: 45vw;
  box-sizing: border-box;
}

.carousel-wrapper .carousel-frame .carousel-container {
  border:1px solid rgba(0, 0, 0, 0.08);
  position: relative;
  width: 45vw;
  height: 100%;
  overflow: hidden;
  margin: 0 auto; 
  box-shadow: 0px 2px 8px 0px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: row;
  border-radius: 8px;
}

.carousel-slide {
  display: flex;
  transition: transform 0.6s ease;
}
.carousel-slide img {
  object-fit: contain;
  width: 45vw;
  height: auto;

}
.carousel-button {
  position: absolute;
  transform: translateY(-50%);
  width: 0.48rem;
  height: 0.48rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgb(255, 255, 255);
  box-shadow: 0 0.04rem 0.24rem rgba(0, 0, 0, 0.1);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}

.carousel-button.left {
  left: -1rem;
  top: 50%;
}
.carousel-button.right {
  right: -1rem;
  top: 50%;
}

.carousel-button img {
  content: "";
  display: block;
  width: 0.24rem;
  height: 0.24rem;
  transform: rotate(180deg);
}

.panel-wrapper{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-top:1.5rem;
  gap:0.4rem;
  margin-bottom: 1.3rem;
  padding: 1rem 2rem;
  background-color: #f5faff;
}

.panel-wrapper .panel{
  display: flex;
  background-color: transparent;
  border-radius: 0;
  padding: 0;
  box-sizing: border-box;
  gap:0.6rem;
  width: 100%;
}
.panel-wrapper .panel .panel-item{
  box-sizing: border-box;
  width: auto;
  height: auto;
  border-radius: 0;
  text-align: left;
  line-height: normal;
  padding: 0.15rem 0;
  font-size: 0.32rem;
  font-family: Alimedium;
  cursor: pointer;
  background-color: transparent;
  color: #333;
  transition: all 0.15s ease-in-out;
  position: relative;
}
.panel-wrapper .panel .panel-item:hover{
  background-color: transparent;
  color: #000;
}
.panel-wrapper .panel .active{
  color: #000 !important;
  background: none;
}
.panel-wrapper .panel .active::after{
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #000;
}
.panel-wrapper .content{
  border-radius: 0.12rem;
  overflow: hidden;
  align-self: center;
}
.panel-wrapper .content .content-item{
  display: none;
}

.panel-wrapper .content .active{
  display: block !important;
}

.panel-wrapper .content img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 案例 */
.case-show{
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  padding-right: 2rem;
}

.case-show .section-title{
  margin: 1rem 2rem;
}

.section-title{
  display: flex;
  align-items: center;
  gap: 0.12rem;
  font-size: 0.33rem;
  align-self: start;
}

.section-title span {
  color: rgba(0, 0, 0, 0.9);
  font-size: 0.33rem;
  font-weight: 500;
  line-height: 0.32rem;
  text-align: left;
  font-weight: bold;
}
.case-show{
  position: relative;
}
.case-show .case-wrapper{
  width: 70vw;
  margin:auto;
  min-height: calc(1530 / 2715 * 72vw)
}
.case-show .case-wrapper img{
  width: 100%;
  height: 100%;
}
.case-wrapper .case-item{
  position: relative;
}
.case-item .case-item-panel{
  position: absolute;
  top: 1.5vw;
  left: 2vw;
  width: 45vw;
}
.case-item-panel .arrow{
  position: absolute;
  width: 20px !important;
  color:rgba(0, 0, 0, 0.6);
  opacity: 0.6;
  cursor: pointer;
}
.case-item-panel .arrow.arrow-l{
  left: 0;
  transform: translateX(50%);
}
.case-item-panel .arrow.arrow-r{
  right: 0;
  transform: translateX(-50%);
}

.case-item-panel .panel-list{
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 0.2rem;
  bottom: 2.5vw;
  width: 100%;
  position: absolute;
}
.case-item-panel .panel-list .dot{
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.06);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
}
.case-item-panel .panel-list .dot.active{
  background-color: rgba(0, 0, 0, 0.14);
}

.case-wrapper .case-panel{
  font-size: 0.16rem;
  color: #333;
  position: absolute;
  right: 0.3rem;
  top:40%;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-family: "AliMedium";
}
.case-panel .case-panel-item{
  cursor: pointer;
  box-sizing: border-box;
  width: auto;
  height: auto;
  text-align: left;
  line-height: normal;
  padding: 0.1rem 0 0.1rem 0.2rem;
  transition: all 0.15s ease-in-out;
  position: relative;
  text-align: center;
}
.case-panel .case-panel-item:hover{
  color: #000;
}
.case-panel .case-panel-item.active{
  color: #000;
}
.case-panel .case-panel-item.active::after{
  content: '';
  position: absolute;
  left: 0.2rem;
  bottom: 0;
  width: calc(100% - 0.2rem);
  height: 2px;
  background-color: #000;
}



.download-section{
  margin-top: 1.1rem;
  height: 6.88rem;
  background-image: url(./assets/downloadBg.png);
  background-repeat: no-repeat;
  background-position: left bottom;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 2rem;
}

.download-section .section-title{
  margin-bottom: 1rem;
}
.download-section .download-cards{
  display: flex;
  justify-content: space-between;
  gap:0.3rem;
  width: 100%;
}
.download-section .download-cards .card{
  width: 15vw;
  height: 17vw;
  padding: 0.4rem 0;
  background: #fff;
  border-radius: 0.12rem;
  box-shadow: 0 0.04rem 0.12rem rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.download-section .download-cards .card .title {
  color: rgba(0, 0, 0, 0.86);
  font-size: 0.2rem;
  font-weight: 400;
  line-height: 0.28rem;
  text-align: center;
  color: transparent;
  background: linear-gradient(to left,rgb(41, 132, 252),rgb(142, 209, 252));
  -webkit-background-clip: text;
  background-clip: text;
}
.download-section .download-cards .card img {
  height: 0.64rem;
  margin-bottom: 0.12rem;
}


.about-us{
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 2rem;
} 

.about-us .section-title{
  margin-bottom: 1rem;
}

.about-us .about-content{
  display: flex;
  gap:0.24rem;
  flex-direction: column;
  font-size: 0.32rem;
}

.about-us .about-content .content-line{
  text-align: center;
}


.about-us .about-footer{
  margin:1.2rem 0;
  border-radius: 0.2rem;
  background-image: url(./assets/aboutBg.png);
  display: flex;
  flex-direction: row;
  overflow: hidden;
  width: 100%;
  height: 4rem;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  
}
.about-us .about-footer .side{
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  padding: 0.4rem 0;
  
}
.about-us .about-footer .side .about-side-title{
  text-align: center;
  font-size: 0.36rem;
}

.about-us .about-footer .left{
  width: 35%;
  background-color: rgba(144, 205, 247,0.3);
}

.about-us .about-footer .left .about-side-content{
  display: flex;
  align-items: center;
  justify-content: center;
  gap:0.1rem;
}

.about-us .about-footer .left .about-side-content .side-left img{
  width: 0.32rem;
}
.about-us .about-footer .left .about-side-content .side-right{
  font-size:0.2rem
}
.about-us .about-footer .left .about-side-content .side-left{
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.about-us .about-footer .left .about-side-content .side-right{
  display: flex;
  flex-direction: column;
  color:rgba(0,0,0,0.6);
  line-height: 0.32rem;
}
.about-us .about-footer .right{
  width: 65%;
  background-color: rgba(251, 253, 255,0.3);
  padding-left: 0.5rem;
}
.about-us .about-footer .right .about-side-title{
 text-align: left;
}
.about-us .about-footer .right .about-side-content{
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1vh;
  font-size: 0.2rem;
  color: rgba(0, 0, 0, 0.86);
}
.about-us .about-footer .right .about-side-content .logo img{
    width: 2rem;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.about-us .about-footer .right .about-side-content .line{
  display: flex;
  justify-content: start;
  align-items: center;
}
.about-us .about-footer .right .about-side-content .line img{
  width: 0.32rem;;
}

.footer-bg{
  background-image: url(./assets/footerBg.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  width: 100vw;
  height: 30vh;
  position: absolute;
  z-index: -1;
  bottom: 0;
}


.footer-bottom {
  gap: 0.24rem;
  display: flex;
  justify-content: center;
  align-items: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.14rem;
  background-color: #141414;
  height: 80px;
}