.topBanner{
    width: 100%;
    height: 100vh;   
    background-color: #030045;
    display: flex;
    justify-content: center;
    align-items: start;
    /* background: palegoldenrod; */
    overflow: hidden;
    background-image: url(../imgs/PNG/首页图.png);
    background-repeat: no-repeat;
    background-size:68vw auto;
    background-position:35vw -4vw;  
    position: relative;
    margin-top: 0;
    background-color: #030045;
}
* {
    box-sizing: border-box; /* 确保所有元素使用相同的盒模型 */
}

body {
    margin: 0;
    padding: 0;
    overflow-x: hidden; /* 防止水平滚动条 */
}

.topBannerLeft{
    width: 43%;
    height: 80%;
    /* background: #00316B; */
    color: #fff;
    position: absolute;
    top: 16vh;
    left: 13vw;
}

.topBannerLeft p:nth-child(1){
   font-size: 3vw;
   font-weight: 600;
   letter-spacing: 0.3vw;
}

.topBannerLeft p:nth-child(2){
    font-size: 3vw;
    font-weight: 600;
    letter-spacing: 0.3vw;
}

.topBannerLeft p:nth-child(3){
    font-size: 1.2vw;
    font-weight: 600;
    color: #01A0D0;
    margin-top: 18px;
  
}
.topBannerBth{
    width: 100%;
   padding-left: 5vw;
   margin-top: 30vh;
}

.topBannerBth a{
    display: block;
    width: 15vw;
    height: 4vw;
    font-size: 1.4vw;
    font-weight: 600;
    color: #fff;
    text-decoration: none;
    background: #00ECEC;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    transition: all 0.3s ease;
   
}
.topBannerBth a:hover{
    color: #fff;
    /* background: #00A0D0;
     */
     transform: scale(1.1);

}

.btLeft{
    width: 20vw;
    position: absolute;
    bottom: 8vh;
    left: -5.5vw;
}
.tpRight{
    width: 17vw; 
    position: absolute;
    top: 16vh;
    right: -6vw;
}
.btRight{
    width:70vw;
    position: absolute;
    bottom: -1.3vh;
    right: 0vw;
}
/* ----------------------------- */

.banner{
    width: 100%;
    height: 330vh;
    background-image: url(../imgs/SVG/背景纹（大）.svg);
    background-repeat: no-repeat;
    background-size:160%;
    background-position: 54vw -42vw;  
    background-color: #00316B;
}
/* .bannerLeft{
    width: 100%;
    height: 30%;
    background-color: rgba(3, 0, 69, 0.5);  
} */
 .bannertop{
    width: 100%;
    height:105vh;
    background-image: url(../imgs/PNG/ourProducts.png);
    background-repeat: no-repeat;
    background-size:40vw;
    background-position:0vw 50%;  
    
   display: flex;
   align-items: center;
   justify-content: end;
   padding-right: 22vw;
   padding-top: 18vh;

    
 }
 .textBox{
    width: 29vw;
    height: 50%;
   color: #fff;
   /* background: peru; */
 }
 .textBox h1{
    font-size: 2vw;
    font-weight: 600;
    letter-spacing: 0.3vw;
 }
 .textBox p{
    font-size: 1.2vw;
    line-height: 6vh;
    margin-top: 5vh;
    
 }

 /* ------------------------- */
 .bannerMid{
    width: 100%;
    height: 105vh;
    background-color: rgba(3, 0, 69, 0.8);  
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
 }
.bannerMidImg{
    width: auto;
    height: 118vh;
 
    position: absolute;
    top: -5vh;
    right: 5vw;
  
}
.bannerletf{
    width: 35%;
    height: 50%;
    background: palegreen;
    z-index: 10;
    background-color: #00316B;
    margin-right: 5vw;
    border-radius: 20px;
    position: relative;
}   

.bannerletf img{
    width: 30vw;
    height: auto;
    position: absolute;
    top: -8vh;
    left: 2.5vw;
   
}
.bannerletfText{
    width: 100%;
    height: 35%;
   
    position: absolute;
    bottom:2vh;
    left: 0;
    color: #fff;
    text-align: center;
   
}
.bannerletfText p{
    font-size: 1.2vw;
    font-weight: 600;
   
}
.bannerletfText a{
    width: 17vw;
    height: 3vw;
    display: block; 
    font-size: 1.2vw;   
  
    color: #00EDEF;
    border: 1px solid #00EDEF;
    border-radius: 10px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    margin-top: 18px;
}
.bannerletfText a:hover{
    color: #00A0D0; 
    /* background: #00A0D0; */

}

.bannerRight{
    width: 35%;
    height: 50%;
    z-index: 10;
    background-color: #00316B;
    margin-left: 5vw;
    border-radius: 20px;
    position: relative;
}

.bannerRight img{
    width: 30vw;
    height: auto;
    position: absolute;
    top: -8vh;
    left: 2.5vw;
   
}

/* ----------------- */
.bannerBottom{
    width: 100%;
    height: 108vh;
    position: relative;
    background-image: url(../imgs/PNG/关于我们.png);
    background-repeat: no-repeat;
    background-size:40vw;
    background-position:0vw 50%;
   display: flex;
   justify-content: right;
   padding-right: 10vw;
    
}

.bannerBottomText{
    width: 40%;
    height: 100%;
    /* background-color: palegoldenrod; */
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: center; 
    color: #fff;
}

.bannerBottomText .top{
    width: 100%;
    height: 40%;
    /* background-color: palegoldenrod; */
    display: flex;
    flex-direction: column;
    align-items: start;
    justify-content: center;
    padding-top: 8vh;
}
.bannerBottomText h1{
    font-size: 2vw;
    font-weight: 600;

   
}
.top p{
    width: 60%;
    font-size: 1vw;
    line-height: 4.5vh;
    margin-top: 4vh;
}


.bannerBottomText .bottom{
    width: 100%;
    height: 50%;
    /* background-color: peachpuff; */
    display: flex;
    align-items: start;
    justify-content: left;
}
.bottomRight{
    margin-left: 10vw;
}
.perCent{
    font-size: 2.5vw;
    font-weight: 600;
    position: relative;
    padding-bottom: 4vh;
}
.perCent::before{
    content: '';
    width: 70%;
    height: 1.5vh;
    background-color: #00EBEC;
    position: absolute;
    bottom: 0;
    left: 10%;
    border-radius: 20px;
}
.characters{
    font-size: 1.5vw;
    font-weight: 600;
    margin-top: 2vh;
}
/* 
.bannerBottomText p{
    font-size: 1.2vw;
    line-height: 6vh;
    margin-top: 5vh;
} */
.perCent {
 
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.perCent.visible {
    opacity: 1;
    transform: translateY(0);
}