@font-face {
    font-family: 'YeZiGongChangTangYingHei';
    src: URL('YeZiGongChangTangYingHei-2.ttf') format('truetype');
}

body {
    position: relative;
    min-height: 100vh;
    box-sizing: border-box;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 50px;
}

#background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#background {
    position: absolute;
    width: 550%;
    height: 100%;
    z-index: 0;
    opacity: 0.75;
    transform-origin: top left;
    transform: rotate(-40deg) translate(-20%, 0);
}

#title-container {
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    mix-blend-mode: overlay;
}

#title {
    font-size: 125px;
    font-family: 'YeZiGongChangTangYingHei';
    font-weight: 1;
    mix-blend-mode: color;
    color: white;
    text-shadow: 0 1px 20px #00000050;
    text-align: center;
    margin-bottom: 0;
}

#main {
    font-family: 'YeZiGongChangTangYingHei';
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    z-index: 1;
}

#main-content {
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 50px;
    row-gap: 10px;
    flex-wrap: wrap;
}

#card {
    width: 80%;
    max-width: 500px;
}

#card-header {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: -20px;
}

#image1 {
    width: 80%;
}

#card-content {
    background-color: white;
    border-radius: 25px;
    padding: 50px;
    font-size: 32px;
    box-shadow: 3px 4px 12px 0px #00000024;
}

#wechat-card {
    position: relative;
    width: 400px;
    flex-shrink: none;
}

#wechat-container {
    border-radius: 25px;
    background-color: white;
    overflow: hidden;
    box-shadow: 3px 4px 12px 0px #00000024;
}

#wechat {
    width: 100%;
}

@media screen and (max-width: 800px) {
    #title {
        font-size: 72px;
    }

    #background {
        transform: rotate(-40deg) translate(-25%, -40%);
    }

    #card-content {
        background-color: white;
        border-radius: 25px;
        padding: 50px;
        font-size: 28px;
    }

    #wechat-card {
        width: 80%;
        max-width: 500px;
    }    
}

#arrow {
    position: absolute;
    cursor: none;
    pointer-events: none;
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    width: 70px;
    gap: 4px;
    animation: move 2s infinite ease;
    top: 50%;
    left: -10%;
}

@keyframes move {
    0% {
        transform: translateX(0);
    }

    50% {
        transform: translateX(20px);
    }

    100% {
        transform: translateX(0);
    }
}

.round {
    width: 6px;
    height: 6px;
    background: #ff0000;
    border-radius: 50%;
}

.line {
    display: flex;
    gap: 4px;
}

.two {
    transform: translateX(10px);
}

.three {
    transform: translateX(20px);
}

.four {
    transform: translateX(30px);
}

.five {
    transform: translateX(20px);
}

.six {
    transform: translateX(10px);
}