html,
body {
    margin: 0;
    padding: 0;
    font-family: "Noto Sans", sans-serif, Arial, "Microsoft YaHei", 微软雅黑, sans-serif;
    /* font-family: Arial, "Microsoft YaHei", 微软雅黑, sans-serif; */
    height: 100%;
    max-height: 100%;
    width: 100%;
    background: url(../img/BG.png) 50% 50% no-repeat;
    background-size: cover;
    box-sizing: border-box;
    overflow: hidden;
}


a {
    text-decoration: none;
    transition: 0.2s;
}

p {
    margin: 0;
}

img {
    line-height: 0;
    font-size: 0;
    margin: 0;
    padding: 0;
    display: block;
}

.container {
    color: #fff;
    margin: 0 auto;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: -50px;
}

.title {
    margin: 0;
    color: #fff;
    font-size: 5rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.container p {
    font-size: 1.4rem;
    line-height: 2.5rem;
    letter-spacing: 1px;
    margin-bottom: .5rem;
}

.purple {
    color: #fb02fb;
}

.btnBox {
    margin-top: 30px;
}

.btn {
    display: block;
    position: relative;
    margin-bottom: 2rem;
}


.btn:hover {
    animation: btn .4s ease;
}

@keyframes btn {
    0% {
        filter: brightness(1);
    }

    50% {
        filter: brightness(1.2);
    }

    100% {
        filter: brightness(1);
    }
}

.btn span {
    text-align: center;
    width: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 1.4rem;
    line-height: 0;
    letter-spacing: .5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, .3);
}

/* 視覺 */
.fadeDown_In {
    text-align: center;
    transition: .5s;
    animation: fadeDown_In .8s;
}

@keyframes fadeDown_In {
    from {
        opacity: 0;
        transform: translatey(-20px);
    }

    to {
        opacity: 1;
        transform: translatey(0);
    }
}