*{
    padding:0;
    margin:0;
}
header{
    background-color:rgba(3, 19, 90, 0.9);
    height:85px;
    width:100%;
    position:fixed;
    z-index:1000;
    box-shadow: 0px 3px #999;
}
header ul{
    position:absolute;
    right:5vw;
    top:0;
    line-height:85px;
}
header .this{
    border-top: 3px solid white;
    padding:30px 10px 0;
}
header .this a{
    color:white;
}
h1{
    color:aliceblue;
    position:absolute;
    left:200px;
    top:0;
    line-height:75px;
    font-size:40px;
}
header .title img{
    width:85px;
    position:absolute;
    top:0;
    line-height:150px;
    left:100px;
}
header a{
    text-decoration:none;
    transition:all 0.3s ease;
}
header .notthis a{
    color:rgba(255, 255, 255, 0.808);
    padding:30px 10px 0;
}
header .notthis a:hover{
    border-top: 3px solid white;
    color:white;
}
header li{
    display:inline;
    margin-right:3vw;
    font-size: 15px;;
    font-weight: 500;
}
.分界线{
    background-color:royalblue;
    height:5px;
    margin-top:85px;
}
main{
    overflow: hidden;
}
.first{
    background-image: url(蓝布1.jpg);
    overflow: hidden;
    height: 95vh;
}
.firstcontent{
    box-sizing: border-box;
    background-color: rgb(128, 128, 128, 0.2);
    width:85vw;
    margin:160px auto 0 auto;
    backdrop-filter: blur(2px);
    border: 2px solid rgb(255, 255, 255, 0.3);
    padding:60px 80px 60px;
    box-shadow: 0 0 10px black;
    border-radius:5px;
}
.firsttitle{
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    position:relative;
}
.first h2{
    color:cyan;
    font-size: 60px;
}
.first h3{
    color: aliceblue;
    font-size: 50px;
}
.first p{
    color:floralwhite;
    font-size: 20px;
    line-height: 30px;
    margin-top:15px;
}
.first img{
    float:right;
    width:250px;
    border:2px solid white;
}
.second{
    width:100%;
    background-color:rgb(1, 1, 71);
}
.second .zero{
    display: flex;
    align-items: center;
    justify-content: center;
    height: 150px;
}
.second h2{
    font-size: 30px;
    color: aliceblue;
}
.second .gra{
    height: 20px;;
    background: linear-gradient(to bottom,rgb(5, 71, 225),rgb(1, 1, 71));
}
.one{
    background-image: url(刻板.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    height:80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.one h3{
    color:black;
    font-size: 40px;
}
.onehalf{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color:white;
    font-size:15px;
    line-height:30px;
    margin:30px 0;
    height:150px;
}
.two{
    background-image: url(刮浆.jpeg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    height:80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.two h3{
    color:black;
    font-size: 40px;
}
.twohalf{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color:white;
    font-size:15px;
    line-height:30px;
    margin:30px 0;
    height:150px;
}
.three{
    background-image: url(微信图片_20250729212907.jpg);
    background-position: top center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    height:80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.three h3{
    color:black;
    font-size: 40px;
}
.threehalf{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color:white;
    font-size:15px;
    line-height:30px;
    margin:30px 0;
    height:150px;
}
.four{
    background-image: url(晾晒.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    height:80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.four h3{
    color:black;
    font-size: 40px;
}
.fourhalf{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color:white;
    font-size:15px;
    line-height:30px;
    margin-top:30px;
    height:150px;
}
.third p{
    display: block;
}
.third{
    width:100%;
    background-color: bisque;
    padding-bottom: 60px;;
}
.third ul{
    list-style-type: none;
}
.third .gra{
    height: 20px;;
    background: linear-gradient(to bottom,rgb(1, 1, 71),rgb(5, 71, 225));
}
.third .title{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height:150px;
    font-size:25px;
    transition:0.5s ease-in-out;
}
.third .box1{
    width:90%;
    height:600px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px auto;
    transition:0.7s ease;
}
.third .box2{
    width:65%;
    height:600px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px auto 0;
    transition:0.9s ease;
}
.third li{
    flex:1;
    overflow:hidden;
    height:600px;
    margin:0 10px;
    border: 1px solid gray;
    box-shadow: 5px 5px 10px rgb(0, 0, 0, 0.5);
    position:relative;
    transition: 0.5s ease;
}
.third img{
    height:600px;
    object-fit: cover;
}
.third p{
    position:absolute;
    bottom:0px;
    height:70px;
    background-color: rgb(0,0,0,0.3);
    text-align: center;
    color:orange;
    width:100%;
    line-height: 70px;
    font-size: 18px;
}
.third li:hover{
    flex-basis:40%;
}
.third img:hover{
    height:100%;
    width:100%;
}
.fourth{
    overflow: hidden;
}
.fourth .title{
    background-color:cornflowerblue;
    display: flex;
    position:relative;
    height:100px;
    align-items: center;
}
.fourth .title img{
    width:70px;
    position:absolute;
    left:150px;
}
.fourth .title h3{
    position:absolute;
    left:230px;
    color:ghostwhite;
    font-size:30px;
}
.fourth .content{
    width:100%;
    background-color: cadetblue;
    display: flex;
    flex-direction: column;
    align-items:center;
    justify-content:space-between;
    padding:50px 0;
    /* height: 300vh; */
    background-image: url(蓝印花纹3.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;

}
.fourth video{
    width:70%;
}
.fourth p{
    color:orangered;
    font-size: 20px;
    font-weight: bold;
}

footer{
    background-color: black;
    color:azure;
    height:200px;
    display:flex;
    align-items:center;
    justify-content: center;
    position:relative;
    flex-wrap: wrap;
}
footer img{
    width:120px;
    margin:25px;
}
footer p{
    color:white;
    font-size: 30px;
}
footer .版权{
    width:100%;
    font-size: 15px;
    padding-left: 45vw;
}