body {
    margin: 0;
    font-family: Helvetica Now Text;
}

.header {
    position: sticky;
    padding: 20px 20px 0px;
    display: flex;
    justify-content: center;
}

.header ul {
    display: flex;
    align-items: center;
}



.menu a {
    color: #2B2A44;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    text-transform: uppercase;
    text-decoration: none;
    padding: 16px 32px;

}


.header li:nth-child(5) a {
    font-size: 24px;
    text-decoration: underline;
    font-weight: 700;

}

.menu a:hover {
    text-decoration: underline;
}


.screen1 {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 80px 0px 220px;
    overflow: hidden;
}

.screen1 .sanqiu {
    width: 100%;
    height: 100%;
    position: absolute;
    overflow: hidden;
    z-index: -1;
}

.san {
    position: absolute;
    left: 0px;
    top: 24px;
}

.qiu {
    position: absolute;
    right: 10px;
    bottom: 24px;
}

.screen1 .content {
    display: flex;
    align-items: flex-start;
    width: 676px;
    flex-direction: column;

}

.screen1 h1 {
    align-self: stretch;
    color: #2B2A44;
    font-size: 24px;
    font-style: normal;
    font-weight: 300;
    line-height: normal;
    margin-bottom: 18px;
}

.screen1 h1 span {
    font-size: 36px;
    font-weight: 400;
}

.screen1 p {
    margin-top: 18px;
    align-self: stretch;
    color: #2B2A44;
    font-size: 24px;
    font-style: normal;
    font-weight: 300;
    line-height: normal;
}

.screen1 p span {
    font-size: 24px;
    font-weight: 400;
}

/* 第二屏 */
.screen2 {
    position: relative;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;

}

.screen2 p {
    width: 676px;

    color: #2B2A44;
    font-size: 24px;
    font-style: normal;
    font-weight: 300;
    line-height: normal;
}



.screen2 p a {
    text-decoration-line: underline;
    cursor: pointer;
    color: #2B2A44;
}

.film {
    position: absolute;
    display: inline-flex;
    flex-direction: column;
    background-color: rgb(0, 0, 0);
    padding: 6px 0px;
    align-items: flex-start;
    gap: 6px;
    z-index: -1;
}

.film .photo {
    display: flex;
    flex-wrap: nowrap;
    gap: 14px;
}

.film .photo img {
    height: 100px;
}

.film1 {
    left: -1100px;
    top: 5px;
    rotate: 60deg;
}

.film2 {
    right: -1300px;
    bottom: 200px;
    rotate: -15deg;
}

.screen3 {
    background: #fcfcfc;

    position: relative;
    height: 100vh;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    align-items: stretch;

}

.time {
    position: relative;
    overflow: hidden;
    flex: 1 0 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.time .timewheel {
    position: absolute;
    right: 20px;
    top: calc(50% - 600px);
    rotate: -1deg;
}

.time .timeline {
    position: absolute;
    right: 0px;
    top: calc(50% - 2.5px);
    z-index: 2;
}

.screen3 .content {
    position: relative;
    flex: 1 0 0;
}

.screen3 .content>* {
    position: absolute;
}

.screen3 .content span {
    color: rgba(0, 0, 0, 0.9);
    font-size: 122px;
    line-height: 122px;
    font-style: normal;
    font-weight: 400;
    text-transform: uppercase;
    top: calc(50% - 61px);

}

.screen3 .content .spanfuture {
    background: radial-gradient(782.18% 98.92% at 1.09% 50.14%, #4706FF 0%, #1170FF 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;

}

.screen3 .content p {
    color: #2B2A44;
    font-size: 20px;
    font-style: normal;
    font-weight: 300;
    line-height: normal;

}

.screen4 {
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.disc {
    position: absolute;
    left: calc(50% - 338px);
    top: 60px;
    width: 676px;
}

.screen4 p {
    color: #2B2A44;
    font-size: 24px;
    font-style: normal;
    font-weight: 300;
    line-height: normal;
    margin-top: 18px;
}


.screen4 a {
    position: absolute;

    color: #2B2A44;
    font-size: 40px;
    font-weight: 700;

    text-decoration: none;
    border: 1px solid #2B2A44;
    padding: 0 32px;
    border-radius: 80px;
    z-index: 2;
}

.screen4 .jike:hover {
    background-color: #FFECA4;

}

.screen4 .twitter:hover {
    background-color: #72C7ED;
}

.screen4 .redbook:hover {
    background-color: #eb5454;
    color: #fff;
}

.screen4 .unsplash:hover {
    background-color: #BABABA;
}

.screen4 .wechat:hover {
    background-color: #5DD38C;
}

.screen4 .zcool:hover {
    background-color: #FEDE6B;
}



.jike {
    left: calc(50% - 670px);
    bottom: 152px;
}

.twitter {
    left: calc(50% - 520px);
    bottom: 156px;
    rotate: -12deg;
}

.wechat {
    left: calc(50% - 286px);
    bottom: 146px;
}

.unsplash {
    left: calc(50% - 32px);
    bottom: 147px;
    rotate: -7.3deg;
}

.redbook {
    left: calc(50% + 155px);
    bottom: 192px;
    rotate: 27deg;
}

.zcool {
    left: calc(50% + 402px);
    bottom: 150px;
    rotate: -10deg;
}

.screen4 h1 {
    position: absolute;
    left: calc(50% - 698px);
    bottom: -240px;
    color: #4706FF;
    font-size: 360px;
    font-style: normal;
    font-weight: 900;
    line-height: normal;
    letter-spacing: -24.36px;
}


@media (max-width: 800px) {

    .menu a {
        font-size: 12px;
        padding: 16px 12px;
    }

    .san {
        width: 220px;
        left: -18px;
        top: 100px;
    }

    .qiu {
        width: 256px;
        right: -18px;
    }

    .screen1 .content {
        width: 270px;
    }

    .screen1 h1 {
        font-size: 14px;
    }

    .screen1 h1 span {
        font-size: 20px;
    }

    .screen1 p {
        font-size: 14px;
    }

    .screen1 p span {
        font-size: 15px;
        font-weight: 400;
    }

    .screen2 p {
        width: 270px;
        color: #2B2A44;
        font-size: 14px;
    }

    .film {
        scale: 0.8;
    }


    .time .timewheel {
        width: 486;
        position: absolute;
        right: 0px;
        top: calc(50% - 600px);
        rotate: -1deg;
    }

    .screen3 .content span {
        font-size: 44px;
        line-height: 44px;
        font-style: normal;
        font-weight: 400;
        text-transform: uppercase;
    }

    .screen3 .content p {
        font-size: 14px;
    }

    .disc {
        left: calc(50% - 135px);
        width: 270px;
        top: 100px;
    }

    .screen4 p {
        font-size: 14px;
    }


    .screen4 a {
        font-size: 26px;
        padding: 0 16px;
    }

    .screen4 a:active {
        background-color: #4706FF;
        color: #fff;
    }

    .jike {
        left: calc(50% - 195px);
        bottom: 110px;
        rotate: -23.1deg;
    }

    .twitter {
        left: calc(50% - 154px);
        bottom: 72px;
        rotate: 0deg;
    }

    .wechat {
        left: calc(50% - 12px);
        bottom: 92px;
        rotate: -30deg;
    }

    .unsplash {
        left: calc(50% - 95px);
        bottom: 125px;
        rotate: -10.4deg;
    }

    .redbook {
        left: calc(50% + 50px);
        bottom: 152px;
        rotate: 22deg;
    }

    .zcool {
        left: calc(50% + 82px);
        bottom: 78px;
        rotate: -10deg;
    }

    .screen4 h1 {
        left: calc(50% - 196px);
        bottom: -36px;
        font-size: 100px;
        letter-spacing: -6.06px;
    }
}