* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.clearfix::after {
    display: block;
    clear: both;
    content: "";
}

html {
    font: 12px/1.5 "Microsoft Yahei";
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    line-height: 1.6;
    color: #333;
    background: #ccc;
    overflow-x: hidden;
    width: 100%;
}

a {
    text-decoration: none;
    color: black;
}

li {
    list-style: none;
}

h3 {
    font: 200 30px sans-serif;
    margin: 20px 30px;
}

.header {
    height: 50px;
    width: 100vw;
    background: rgb(120, 223, 255);
}

.icon img {
    height: 50px;
    margin-left: 20px;
    float: left;
}

nav {
    font-size: 15px;
    height: 50px;
    margin: 0 auto;
    padding-top: 12px;
    text-align: center;
    color: gray;
}

nav a:hover {
    text-decoration: underline;
}

.user {
    display: block;
    float: right;
    overflow: hidden;
    position: relative;
}

.user img {
    height: 30px;
    float: right;
    margin: 10px;
}

.user h5 {
    font: 200 20px "Microsoft Yahei";
    float: right;
    color: #333;
    padding-top: 10px;
    margin-right: 20px;
}

.user a:hover {
    color: gray;
}

.message {
    font: 200 20px "Microsoft Yahei";
    text-align: center;
    margin: 400px 0;
}

.bigscreen {
    overflow: hidden;
    margin: 0 auto;
    width: 800px;
    height: 600px;
}

.bigscreen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.bigscreen:hover img {
    transform: scale(1.1);
}



.infoblock li {
    display: block;
    margin: 30px 100px;
    width: 800px;
    height: 300px;
    background: #fff;
}

.infoblock img {
    height: 300px;
    float: left;
}

.infoblock span {
    width: 400px;
    float: left;
}

.infoblock h4 {
    text-align: center;
    padding-top: 10px;
    font-size: 32px;
    color: #000;
}

.info {
    margin: 10px 50px;
    font-size: 20px;
    height: 160px;
}

.infoblock li:hover {
    box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.5);
    transition: all, 0.2s;
}

.price {
    margin: 30px;
    text-align: center;
}

b {
    color: orange;
}

.ordash {
    color: gray;
}

.ani {
    width: 200px;
    height: 60px;
    color: #fff;
    background: #000;
    animation: up 5s linear 1s infinite forwards alternate;
}

.ani1 {
    width: 16ch;
    overflow: hidden;
    margin: 20px auto;
    white-space: nowrap;
    font: 32px "Courier New";
    animation: down 5s steps(16) 1;
}

@keyframes up {
    0% {
        width: 100px;
    }

    100% {
        width: 500px;
        transform: translateX(200px);
        background-color: #fff;
        color: #000;
    }
}

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

    100% {
        width: 16ch;
    }


}

.footer {
    background-color: #f8f8f8;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid #e7e7e7;
    font-size: 14px;
    color: #666;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.footer-links {
    margin-bottom: 15px;
}

.footer-links a {
    color: #666;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #333;
}

.footer-divider {
    margin: 0 5px;
    color: #ccc;
}

.footer-beian {
    margin-top: 15px;
    line-height: 1.8;
}

.footer-beian a {
    color: #666;
    text-decoration: none;
}

.footer-beian a:hover {
    text-decoration: underline;
}

.footer-copyright {
    margin-top: 15px;
}

@media (max-width: 768px) {
    .footer {
        padding: 20px 0;
    }

    .footer-links a {
        display: block;
        margin: 5px 0;
    }

    .footer-divider {
        display: none;
    }
}