:root {
    --black: #000;
    --orange: #FA6400;
    --purple: #7D57FE;
    --green: #45C286;
    --blue: #3D8FFB;
    --white: #fff;
    --gap20: 20px;
    --h1: 3rem;
    --h2: 2rem;
    --h3: 1.6rem;
    --p: 1rem;
    --pcwidth: 1000px;
}

body {
    padding: 0;
    margin: 0;
    font-family: Arial, Verdana, Sans-serif;
    transition: 2s;
}

h1 {
    font-size: var(--h1);
    font-family: Arial, Verdana, Sans-serif;
}

h2 {
    font-size: var(--h2);
    font-family: Arial, Verdana, Sans-serif;
}

h3 {
    font-size: var(--h3);
    font-family: Arial, Verdana, Sans-serif;
}

p {
    font-size: var(--p);
    font-family: Arial, Verdana, Sans-serif;
}

.container {
    z-index: -1;
}

.container_body {
    display: none;
    padding: 200px 20px 20px 20px;
    z-index: 9999;
    color: var(--white);
    width: 800px;
    margin: 0 auto;
}

.logo {
    position: fixed;
    margin: 10px;
}

.nav {
    position: fixed;
    right: var(--gap20);
    top: var(--gap20);
    z-index: 999;
}

.nav_icon {
    font-size: 40px;
}

.nav_gap {
    margin: 20px;
    background: var(--white);
    color: var(--white);
    border-radius: 6px;
    padding: 10px;
    z-index: 3;
    display: none;
    transition: 0.5s;
    background: rgba(0, 0, 0, 0.3)
}
.mobileMenu {
    display: none;
   
}

.nav_gap:hover {
    background: var(--white);
    color: var(--orange);
    cursor: pointer;
    font-size: 40px;
}

.footer {
    color: var(--white);
    font-size: 12px;
    padding: var(--gap20);
    position: fixed;
    bottom: 0;
    left: 0;
}

.arrowBlock {
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    width: 100%;
}

.arrowPosition1 {
    position: relative;
    left: -120px;
    top: 100px;
    font-size: 40rem;
    animation: arrow1 3s;
    opacity: 0.8;
}

.arrowPosition2 {
    position: absolute;
    left: -100px;
    top: 900px;
    font-size: 20rem;
    animation: arrow2 5s;
    opacity: 0.6;
}

.arrowPosition3 {
    position: absolute;
    transition: 0.3s;
    right: 0;
    top: 0;
    font-size: 30rem;
    animation: arrow3 3s;
    opacity: 0.5;
}

.buttun {
    border: 0;
    background: yellow;
    font-size: 1.2rem;
    line-height: 1.2rem;
    padding: 6px 24px;
    text-decoration: none;
    color: var(--black);
    border-radius: 4px;
    margin-top: 40px;
    transition: 0.5s;
}

.buttun:hover {
    border: 0;
    background: var(--black);
    font-size: 1.2rem;
    line-height: 1.2rem;
    padding: 6px 24px;
    text-decoration: none;
    color: var(--white);
    border-radius: 4px;
    margin-top: 40px;
}

.pet {
    padding-top: 60px;
    width: 100%;
    animation: mymove 1s infinite;
}

.mini {
    padding-top: 60px;
    width: 100%;
}

.autoBG {
    background-repeat: no-repeat;
    background-size: 70%;
    background-position: -100px -100px;
    position: relative;
    z-index: -2;
    display: none;
}

.qrBlock {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: nowrap;
    margin-top: 20px;
}

.qrBlock div {
    padding: 10px;
    margin: 8px;
    background: var(--white);
    color: var(--black);
    text-align: center;
    border-radius: 6px;
}

.aboutBlock {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    flex-wrap: nowrap;
}

.aboutBlock div {
    padding: 20px;
    border: solid 4px var(--orange);
    text-align: center;
}

.aboutBlock h1 {
    font-size: 4rem;
    margin: 0;
    padding: 0;
}

.aboutBlock h2 {
    font-size: 2rem;
    margin: 0;
    padding: 0;
}

.message {
    position: fixed;
    right: 20px;
    bottom: 20px;
    text-align: center;
    border-radius: 6px;
    background: var(--white);
    padding: 10px;
    display: none;
}

.close {
    cursor: pointer;
    padding: 5px;
    background: crimson;
    margin-top: -20px;
    margin-right: -20px;
    float: right;
    color: #fff;
    border-radius: 50%;
}

@keyframes wenzi {
    0% {
        width: 0;
    }
}

@keyframes guangbiao {
    30% {
        /* 颜色透明 */
        border-color: transparent;
    }
}

.text {
    width: 9.5em;
    padding-top: 5px;
    overflow: hidden;
    /* 规定段落中的文本不进行换行： */
    white-space: nowrap;
    font-size: 20px;
    border-right: 0.1em solid;
    color: black;
    /*帧动画 */
    animation: guangbiao steps(2) 1s infinite, wenzi steps(10) 1s;
}

.loading {
    width: 300px;
    margin: 0 auto 0 auto;
    height: 40px;
    display: flex;
    flex-direction: row;
    flex-flow: flex-start;
    /* border:solid 2px black; */
}

@keyframes arrow1 {
    0% {
        color: #FA6400;
        left: -500px;
        top: 100px;
        opacity: 0;
    }
    80% {
        color: yellow;
        left: -120px;
        top: 100px;
        opacity: 0.8;
    }
}

@keyframes arrow2 {
    0% {
        color: #FA6400;
        left: -500px;
        top: 800px;
        opacity: 0;
    }
    80% {
        color: #C45409;
        left: -100px;
        top: 900px;
        opacity: 0.8;
    }
}

@keyframes arrow3 {
    0% {
        color: #FA6400;
        right: 500px;
        top: -200px;
        opacity: 0;
    }
    80% {
        color: #8764E9;
        right: 0px;
        top: 0px;
        opacity: 0.8;
    }
}

@media all and (max-device-width: 500px) {
    .container_body {
        display: none;
        /* padding: 100px 20px 20px 20px; */
        z-index: 9999;
        /* min-width: 500px; */
        color: var(--white);
        max-width: 88%
    }
    .qrBlock {
        display: block;
        flex-direction: row;
        justify-content: center;
        flex-wrap: nowrap;
        margin-top: 20px;
    }
    .qrBlock div {
        padding: 10px;
        margin: 20px;
        background: var(--white);
        color: var(--black);
        text-align: center;
        border-radius: 6px;
    }
    .qrBlock img {
        width: 200px;
    }
    .arrowPosition1 {
        position: relative;
        left: -120px;
        top: 100px;
        font-size: 15rem;
        animation: arrow1 3s;
        opacity: 0.8;
    }
    .arrowPosition2 {
        position: absolute;
        left: -100px;
        top: 900px;
        font-size: 10rem;
        animation: arrow2 5s;
        opacity: 0.6;
    }
    .arrowPosition3 {
        position: absolute;
        transition: 0.3s;
        right: 0;
        top: 0;
        font-size: 10rem;
        animation: arrow3 3s;
        opacity: 0.5;
    }
    .footer {
        position:static;
        color: var(--white);
        font-size: 12px;
        padding: var(--gap20);
        margin-top: 40px;
    }
    .logo {
        margin: 20px;
        position: static;
    }
    .nav {
        position: fixed;
        right: 0;
        top: 0;
        z-index: 999;
    }
    .aboutBlock {
        display: block;
        flex-direction: row;
        justify-content: space-around;
        flex-wrap: nowrap;
    }
    .aboutBlock div {
        padding: 20px;
        margin: 20px;
        border: solid 4px var(--orange);
        text-align: center;
        background:rgba(0, 0, 0, 0.5)
    }
    .message {
        position: fixed;
        left: 20px;
        bottom: 10px;
        text-align: center;
        border-radius: 6px;
        background: var(--white);
        padding: 10px;
        display: none;
    }
    .close {
        cursor: pointer;
        padding: 5px;
        background: crimson;
        margin-top: -20px;
        margin-right: -20px;
        float: left;
        color: #fff;
        border-radius: 50%;
    }
    .autoBG{
    
        background-repeat: no-repeat;
        background-size:200%;
        background-position: -100px -100px;
        position: relative;
        z-index: -2;
        display: none;
    
    }
    .mobileMenu {
        margin: 10px;
        color: var(--white);
        border-radius: 50%;
        padding: 10px;
        z-index: 3;
        display: none;
        transition: 0.5s;
        background:rgba(0, 0, 0, 0.3)
    }
    .nav_gap {
        margin: 10px;
        background: var(--white);
        color: var(--white);
        border-radius: 50%;
        padding: 10px;
        z-index: 3;
        display: none;
        transition: 0.5s;
        background: rgba(0, 0, 0, 0.3)
    }
    .nav_icon {
        font-size: 30px;
    }
    .nav_gap:hover {
        background: var(--white);
        color: var(--orange);
        cursor: pointer;
        font-size: 30px;
    }
    h1 {
        font-size: 2rem;
        font-family: Arial, Verdana, Sans-serif;
    }
}