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

button{
    appearance: none;
    -webkit-appearance: none;
    font: inherit;
    border: 0;
    outline: 0;
    background: none;
    color: inherit;
}

html{
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
}

body{
    min-height: 100vh;
    overflow-x: hidden;
    background-color: #000;
}

/* 去掉滑动条 */
body::-webkit-scrollbar {
    display: none;
}

#banner{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    min-height: 100vh;
    background-image: url(../images/壁纸/刀子5.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    transition: all 1s ease;
    
}
#banner:hover{
    background-size: cover;
}

.nav{
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90vw;
    /* background-color: antiquewhite; */
    height: 20vh;
    
}

.logo{
    width: 100px;
    text-align: center;
    color:aliceblue;
    cursor: pointer;
}
.logo-tx{
    width: 5vw;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 1s;
    animation: logo 5s linear;
}
.logo-tx:hover{
    opacity: 1;
}
@keyframes logo{
    0%{opacity: 0.9;}
    80%{opacity: 0.5}
    100%{opacity:0;}
}

.icon-fullscreen{
    width: 100px;
    text-align: center;
    color: aliceblue;
}

.nav ul{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4vw;
}

.nav ul li{
    list-style: none;
    font-size: 3vw;
    text-align: center;
    padding: 10px;
    transition: all 0.5s ease;
    
}
.nav ul li:hover{
    box-shadow: 2px 2px 2px rgba(0,0,0,0.5);
    font-size: 4vw;
    backdrop-filter: blur(1px);
}
.nav ul li button{
    text-decoration: none;
    color: aliceblue;
    font-size: 100%;
    background-color: transparent;
    cursor: pointer;
}

.Text-printing{
    height: 50vh;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 95vw;
    /* background-color: antiquewhite; */
    text-align: center;
}

.icon-mr1{
    text-align: center;
    font-size: 5vw;
    color: aliceblue;
    /* background-color: antiquewhite; */
    line-height: 45vh;
    width: 5vw;
    height: 50vh;
    cursor: pointer;
    transition: all 0.5s ease;
}
.icon-mr1:hover{
    box-shadow: 2px 2px 2px rgba(0,0,0,0.5);
    width: 10vw;
    font-size: 10vw;
    /* backdrop-filter: blur(1px); */
}

.icon-music{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 20vw;
    width: 20vw;
    margin-top: 0;
    user-select: none;
    font-size: 15vw;
    color: aliceblue;
    border: 2px solid ;
    border-radius: 50%;
    transition: 1s;
    /* box-shadow: 0px 0px 100px rgba(255, 255, 255, 0.5); */
}
.icon-music div{
    margin-top: -1vw;
}

.music-control{
    /* background-color: antiquewhite; */
    width: 8vw;
    height: 15vh;
    /* margin-bottom: 2vh; */
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.5s ease;
}
.icon-mr2{
    text-align: center;
    background-color: transparent;
    color: black;
    font-size: 5vw;
    text-align: center;
    /* border: 2px solid aliceblue; */
    /* border-radius: 50%; */
    transition: all 0.5s ease;
}
.music-control:hover{
    box-shadow: 2px 2px 2px rgba(0,0,0,0.5);
}
#music-play{
    position: relative; 
    margin-left: 5%;
    margin-top: 10%;
}
#music-pause{
    position: absolute;
    opacity: 0;
}

/* 遮罩 */
.shade{
    pointer-events: none;
}

#star{
    z-index: 3;
    position: fixed;
    width: 100%;
    height: 100vh;
    margin-top: -100vh;
    opacity: 0;
    background-image: url(../images/效果1.png);
    background-size: cover;
    background-position: center;
}

#blackshade{
    z-index: 2;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: black;
    opacity: 0;
    transition: opacity 1s ease;
    
}
#return-home{
    pointer-events: none;
    width: 10vw;
    height: 5vw;
    position: fixed;
    text-align: center;
    font-size: 5vw;
    margin-top: -10vh;
    left: 50%;
    transform: translateX(-50%);
    color: aliceblue;
    z-index: 4;
    opacity: 0;
    transition: .5s;
    cursor: pointer;
    line-height: 5vw;
}
#return-home:hover{
    opacity: 0.7;
    transform: translateX(-50%) scale(1.05);
}


/* 弹性默认居中 */
.discen{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.shell {
    width: 100%;
    background: rgba(99, 99, 99, 0.1);
    transition: all 0.5s ease;
}

.header2 {
    width: 100%;
    min-height: 100vh;
    text-align: center;
    background-color: #fcfbfb;
    font-size: 2vw;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}
.title{
    height: 8vh;
}
.subtitle{
    height: 8vh;
}

.pic-align{
    width: 16vw;
    height: 8vh;
    position: absolute;
    margin-top: -85vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 10vh;
    line-height: 1;
    transition: 0.5s;
    border-radius: 20px;
    color: aliceblue;
    opacity: 0.8;
    cursor: default;
}
.pic-align:hover{
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.item{
    position: relative;
    width: 100%;
    min-height: 100vh;
    letter-spacing: 3px;
    backdrop-filter: blur(5px);
    color: aliceblue;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}
.item::before{
    content: "";
    width: 100%;
    height: 100%;
    backdrop-filter: blur(5px);
    position: absolute;
    /* pointer-events: none; */
    z-index: -1;
    background: rgba(99, 99, 99, 0.3);
}

#item1{
    background-image: url('../images/壁纸/赛博朋克边缘行者.jpg'); 
}
#item2{
    background-image: url('../images/壁纸/天气之子.jpg'); 
}
#item3{
    background-image: url('../images/壁纸/达令.jpg'); 
}
#item4{
    background-image: url('../images/壁纸/你的名字2.png'); 
}
#item5{
    background-image: url('../images/壁纸/re0.png'); 
}


.anime-link{
    display: block;
    line-height: 0;
    cursor: pointer;
}

.img {
    width: 30vw;
    border-radius: 30px;
    /* box-shadow: 0 10px 15px rgba(0, 0, 0, 0.4); */
    margin: 5vh;
    transition: all 0.5s ease;
}
.img:hover{
    transform: scale(1.05);
}

.content-title{
    font-size: 6vh;
}
.content-desc{
    padding: 3vh;
    font-size: 3vh;
}
.content-desc2{
    font-size: 2vh;
    /* text-align: center; */
}

.anime-site{
    background-color: antiquewhite;
    width: 100%;
    min-height: 100vh;
    background-image: url('../images/壁纸/唯美科幻.jpg');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    
}

.anime-site div{
    /* background-color: antiquewhite; */
    /* width: 50vw; */
    height: 50vh;
    color: aliceblue;
    font-size: 5vw;
    letter-spacing: 2px;
    font-family: '楷体';
}

.anime-site-link{
    line-height: 0;
    cursor: pointer;
}

.anime-site img{
    padding: 0 5vh;
    width: 10vw;
    transition: .5s;
}
.anime-site img:hover{
    box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.5);
    transform: scale(1.05);
    backdrop-filter: blur(2px);
}


/* 网页底部 */
footer{
    background-color: antiquewhite;
    width: 100%;
    min-height: 100vh;
    background-image: url('../images/壁纸/科技城市.jpg');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

fieldset{
    width: 80vw;
    height: 40vh;
    /* background-color: antiquewhite; */
    border-radius: 30px;
    backdrop-filter: blur(15px);
    background: rgba(99, 99, 99, 0.1);
    box-shadow: 3px 3px 3px rgba(0,0,0,0.3);
    font-size: 1vh;
}
fieldset::before{
    content: "";
    position: absolute;
    width: 80vw;
    height: 40vh;
    pointer-events: none;
    /* background-color: aqua; */

}
.dcwj{
    padding: 2vh;
    color: aliceblue;
    font-size: 5vh;
}
.check-frame{
    width: 70vw;
    height: 10vh;
    /* background-color: antiquewhite; */
    flex-direction: row;
}

.box-mr3{
    font-size: 3vh;
    width: 35vw;
    height: 1vh;
    padding: 3vh;
    color: aliceblue;
    /* background-color: aqua; */
}

fieldset input{
    text-align: center;
    border-radius: 3px;
    margin-top: 3vh;
    padding: 2vh 10vw;
    margin-bottom: 2vh;
}
fieldset button{
    /* margin-top: 2vh; */
    padding: 1vh 2vw;
}