ul,
li,
a {
    text-decoration: none;
    list-style: none;
}

* {
    padding: 0;
    margin: 0;
    border: 0
}

input {
    outline: none;
    color: #ffffff;
}

html,
body {
    background-color: #0f0703;
    height: 100%;
}

.clear {
    clear: both;
}

.enterPage {
    width: 100%;
    height: 100%;
    position: relative;
    background-repeat: no-repeat;
    background-size: cover;
    background-image: url("../image/enterPage.png");
    overflow: hidden;
}

.enterPageLeft {
    width: 50%;
    height: 100%;
    float: left;
    text-align: center;
    position: absolute;
    top: 35%
}

.enterPageLeft img {
    width: 65%
}

.enterPageRight {
    width: 50%;
    height: 100%;
    right: 0;
    float: left;
    text-align: center;
    position: absolute;
    top: 27%
}

.enterPageRight img {
    width: 65%
}

.enterPageServer {
    background-image: url("../image/enterPageServer.png");
    width: 75%;
    height: 100%;
    position: absolute;
    background-size: contain;
    background-repeat: no-repeat;
    bottom: -20%;
    left: 6%;
}

.enterPageRight .enterPageServer {
    bottom: -28%;
    left: 18%;
}

.enterPageServer .buttons {
    position: relative;
    margin-top: 230px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.enterPageServer span {
    color: #fff;
    font-size: 18px;
    text-align: center;
    width: 100%;
    display: block;
}

.serveButton {
    color: #fff;
    background-image: url("../image/enterPageServerButton.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 181px;
    height: 91px;
    position: relative;
    margin-top: -10px;
}

.serveButton span {
    color: #fff;
    margin-top: 32px;
    display: block;
    font-size: 16px;
    font-weight: bold;
}

.header-video {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: absolute;
    object-fit: cover;
}

.logo_none {
    display: none;
}

.first-corner .second-video {
    clip-path: polygon(54% 0, 100% 0, 100% 100%, 45% 100%);
    filter: grayscale(0.8);
}

.first-corner .enterPageRight .enterPageServer {
    filter: grayscale(0.8);
}

.last-corner .enterPageLeft .enterPageServer {
    filter: grayscale(0.8);
}

.last-corner .second-video {
    clip-path: polygon(0% 0, 53% 0, 44% 100%, 0% 100%);
    filter: grayscale(0.8);
}

@media (max-width: 1700px) {
    .enterPageServer {
        left: -2%;
    }

    .enterPageRight .enterPageServer {
        left: 27%;
    }

    .enterPageServer .buttons {
        margin-top: 190px;
    }

    .enterPageServer .buttons span {
        font-size: 14px;
    }

    .serveButton {
        width: 150px;
        height: 75px;
    }

    .serveButton span {
        margin-top: 28px;
        font-size: 14px;
    }
}

@media (max-width: 1400px) {
    .enterPageServer {
        left: 6%;
    }

    .enterPageRight .enterPageServer {
        left: 18%;
    }

    .enterPageServer .buttons {
        margin-top: 160px;
    }

    .enterPageServer .buttons span {
        font-size: 14px;
    }

    .serveButton {
        width: 150px;
        height: 75px;
    }

    .serveButton span {
        margin-top: 28px;
        font-size: 14px;
    }
}

@media (max-width: 1000px) {
    body {
        min-height: 800px;
    }

    .enterPageLeft {
        width: 100%;
        top: auto;
        height: fit-content;
        position: relative;
    }

    .enterPageLeft img {
        width: 90%;
    }

    .enterPageServer {
        top: 150px;
        width: 100%;
        left: 0px;
        bottom: 0px;
        background-size: cover;
    }

    .enterPageServer .buttons {
        margin-top: 127px;
    }

    .enterPageServer .buttons span {
        font-size: 12px;
    }

    .enterPageRight .enterPageServer {
        left: 0px;
    }

    .serveButton {
        width: 100px;
        height: 60px;
    }

    .serveButton span {
        margin-top: 22px;
        font-size: 11px;
    }

    .enterPageRight {
        width: 100%;
        top: auto;
        height: fit-content;
        position: relative;
        margin-top: 150px;
    }

    .enterPageRight img {
        width: 100%;
    }

    .enterPageRight .enterPageServer {
        bottom: 0px;
        background-size: contain;
        margin-top: 50px;
    }

    #video-container {
        display: none;
    }

    .logo_none {
        display: block;
    }
}