html {
    height: 100%
}

body {
    position: relative;
    height: 100%;
    background: linear-gradient(#242625 25%, #303133 50%, #303133 50%, #242625 100%);
    color: #a4a8a4;
    font-size: 17px;
    font-family: "Inter", sans-serif
}

a {
    transition: all .3s;
    color: #b1b4b1
}

a:hover {
    color: #cbcdcb
}

strong {
    font-weight: 500;
    color: #00acc1
}

.container {
    max-width: 650px;
    margin: 0 auto;
    width: 100%
}

.content {
    position: absolute;
    width: 100%
}

.content .header {
    padding: 3.5rem 0 .3rem;
    text-align: center;
    position: relative;
    z-index: 1;
    margin: 0 2rem
}

.content .header img {
    height: 10rem
}

.content .header p {
    font-size: 1.3rem;
    font-weight: 500;
    color: #e5e5e5
}

.content .main {
    position: relative;
    margin: 0 1rem;
    z-index: 1;
    background: #1e201f;
    border-radius: .7rem;
    padding: 1.5rem;
    box-shadow: 0 1px 0 rgba(255, 255, 255, .1), inset 0 3px 3px rgba(0, 0, 0, .5);
    margin-bottom: 1rem
}

.content .main ul.m-list {
    margin: 0;
    padding: 0;
    list-style: none;
    margin: 1rem 0
}

.content .main ul.m-list li a {
    display: flex;
    justify-content: space-between;
    background: #242625;
    padding: .5rem .8rem;
    margin: .3rem 0;
    border-radius: .4rem;
    border: 1px solid #3e403f;
    color: #777b77;
    text-decoration: none;
    transition: border-color .3s, background .3s
}

.content .main ul.m-list li a span:first-child {
    font-weight: 600;
    color: #e5e5e5
}

.content .main ul.m-list li a span:last-child {
    display: inline-block;
    align-items: center;
    transition: color .3s
}

.content .main ul.m-list li a span:last-child:before {
    content: " ";
    display: inline-block;
    background: #00acc1;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    vertical-align: middle;
    margin-right: .3rem
}

.content .main ul.m-list li a:hover {
    background: #003a42;
    border-color: #00acc1
}

.content .main ul.m-list li a:hover span:last-child {
    color: #e5e5e5
}

.content .main .notice {
    background: #131514;
    padding: .9rem 1rem .4rem;
    border-radius: .5rem;
    display: flex
}

.content .main .notice .start {
    display: flex;
    margin-right: .5rem
}

.content .main .notice .start i {
    font-size: 1.1rem;
    color: #e5e5e5
}

.content .main .notice .stop {
    margin-top: .1rem;
    font-size: .8rem
}

.content .main .notice .stop .heading {
    font-weight: 400;
    color: #e5e5e5;
    font-size: .9rem
}

.content .main .notice .stop .twitter {
    background: #00acc1;
    border-radius: .2rem;
    padding: .2rem .5rem;
    display: inline-block;
    color: #131514;
    text-decoration: none;
    font-weight: 500;
    margin-top: .4rem;
    font-size: .8rem
}

.content .main .notice .stop .twitter:hover {
    background: #00d9f4
}

.content .main .faq {
    margin-top: 1.8rem
}

.content .main .faq h3 {
    font-size: 20px;
    font-weight: 500;
    color: #e5e5e5
}

.content .footer {
    text-align: center;
    width: 100%;
    position: relative;
    z-index: 1;
    margin-bottom: 2rem
}

.wrap {
    width: 100%;
    height: 100%;
    position: absolute;
    margin: 0 auto;
    perspective: 360px;
    perspective-origin: 50% 50%
}

.top-plane,
.bottom-plane {
    width: 200%;
    height: 130%;
    position: absolute;
    bottom: -30%;
    left: -50%;
    background-image: -webkit-linear-gradient(#303133 2px, transparent 2px), -webkit-linear-gradient(left, #303133 2px, transparent 2px);
    background-size: 100px 100px, 100px 100px;
    background-position: -1px -1px, -1px -1px;
    transform: rotateX(85deg);
    animation: planeMoveTop 2s infinite linear;
    z-index: 0
}

.bottom-plane {
    transform: rotateX(-85deg);
    top: -30%;
    animation: planeMoveBot 2s infinite linear
}

@keyframes planeMoveTop {
    from {
        background-position: 0px -100px, 0px 0px
    }

    to {
        background-position: 0px 0px, 100px 0px
    }
}

@keyframes planeMoveBot {
    from {
        background-position: 0px 0px, 0px 0px
    }

    to {
        background-position: 0px -100px, 100px 0px
    }
}

@media(max-height: 350px) {
    .wrap {
        perspective: 210px
    }
}

@keyframes borderGlow {
    0% {
        box-shadow: 0 0 10px 2px #ff8c00;
        border-color: #ff8c00;
    }

    25% {
        box-shadow: 0 0 10px 2px #ffa500;
        border-color: #ffa500;
    }

    50% {
        box-shadow: 0 0 10px 2px #ff8c00;
        border-color: #ff8c00;
    }

    75% {
        box-shadow: 0 0 10px 2px #ffa500;
        border-color: #ffa500;
    }

    100% {
        box-shadow: 0 0 10px 2px #ff8c00;
        border-color: #ff8c00;
    }
}

.btn {
    background: linear-gradient(135deg, #ff8c00, #ff4500);
    border: 2px solid #ff8c00;
    border-radius: 50px;
    color: white;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0px 0px 10px 2px #ff8c00;
    text-transform: uppercase;
    text-decoration: none;
    display: inline-block;
    animation: borderGlow 3s infinite;
}

.btn:hover {
    background: linear-gradient(135deg, #ff4500, #ff8c00);
    box-shadow: 0px 6px 15px rgba(0, 0, 0, 0.3);
}

.btn:active {
    transform: scale(0.98);
    box-shadow: 0px 3px 8px rgba(0, 0, 0, 0.2);
}

.btn-23 {
    text-align: center;
    margin-bottom: 40px;
}